changeset 0:ed6ea43af3f4

Initial commit
author Lewin Bormann <lbo@spheniscida.de>
date Fri, 23 Sep 2016 16:23:46 +0200
parents
children 4f815715fcbd
files .hgignore pom.xml rpc.proto src/main/java/net/borgac/clusterrpc/client/Client.java src/main/java/net/borgac/clusterrpc/proto/Rpc.java src/test/java/net/borgac/clusterrpc/ClusterRPCRootTest.java src/test/java/net/borgac/clusterrpc/TestDependencies.java
diffstat 7 files changed, 4429 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,4 @@
+nbproject
+nb-configuration.xml
+target/
+.*class$
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pom.xml	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>net.borgac</groupId>
+    <artifactId>clusterrpc</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <build><!--
+        <plugins>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                </configuration>
+            </plugin>
+        </plugins>
+        -->
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>org.zeromq</groupId>
+            <artifactId>jeromq</artifactId>
+            <version>0.3.5</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java</artifactId>
+            <version>3.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+        </dependency>
+    </dependencies>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+</project>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rpc.proto	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,63 @@
+package proto;
+
+message TraceInfo {
+    required int64 received_time = 1;
+    required int64 replied_time = 2;
+    optional string machine_name = 3;
+    optional string endpoint_name = 4;
+    optional string error_message = 5;
+    optional string redirect = 6;
+    repeated TraceInfo child_calls = 7;
+}
+
+message RPCRequest {
+    // A unique-ish ID for this RPC
+    optional string rpc_id = 1;
+    required string srvc = 2;
+    required string procedure = 3;
+    required bytes data = 4;
+    optional int64 deadline = 5; // UNIX µs timestamp after which we don't want to have an answer anymore
+                                 // (i.e. the server doesn't need to bother sending one)
+    optional string caller_id = 6;
+    optional bool want_trace = 7;
+}
+
+message RPCResponse {
+    optional string rpc_id = 1;
+    optional bytes response_data = 2;
+
+    enum Status {
+        // Default value
+        STATUS_UNKNOWN = 0;
+        // a.k.a. 200
+        STATUS_OK = 1;
+        // service/endpoint not found (a.k.a. 404)
+        STATUS_NOT_FOUND = 2;
+        // The handler returned an error; see the error_message for a description (500). response_data may have content
+        STATUS_NOT_OK = 4;
+        // An error happened in the clusterrpc implementation (500)
+        STATUS_SERVER_ERROR = 5;
+        // The requested timeout has been expired
+        STATUS_TIMEOUT = 6;
+        // The server is overloaded (503)
+        STATUS_OVERLOADED_RETRY = 7;
+        // We couldn't even send the request (PB serialization error, ...)
+        STATUS_CLIENT_REQUEST_ERROR = 9;
+        // We couldn't send the request because of network/socket issues.
+        STATUS_CLIENT_NETWORK_ERROR = 10;
+        // Client function called in a wrong way (e.g. different lengt of raddrs
+        // and rports slices to NewClientRR())
+        STATUS_CLIENT_CALLED_WRONG = 11;
+        // Timeout somewhere in the call stack
+        STATUS_MISSED_DEADLINE = 12;
+        // Loadshedding mode, not accepting requests right now
+        STATUS_LOADSHED = 13;
+        // Health check failed
+        STATUS_UNHEALTHY = 14;
+    }
+
+    required Status response_status = 3;
+    optional string error_message = 4;
+    optional TraceInfo traceinfo = 5;
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/net/borgac/clusterrpc/client/Client.java	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,10 @@
+package net.borgac.clusterrpc.client;
+
+/**
+ * @brief The entry point for all client requests.
+ *
+ * @author lbo
+ */
+public class Client {
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/net/borgac/clusterrpc/proto/Rpc.java	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,4214 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: rpc.proto
+
+package proto;
+
+public final class Rpc {
+  private Rpc() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+  }
+  public interface TraceInfoOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:proto.TraceInfo)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>required int64 received_time = 1;</code>
+     */
+    boolean hasReceivedTime();
+    /**
+     * <code>required int64 received_time = 1;</code>
+     */
+    long getReceivedTime();
+
+    /**
+     * <code>required int64 replied_time = 2;</code>
+     */
+    boolean hasRepliedTime();
+    /**
+     * <code>required int64 replied_time = 2;</code>
+     */
+    long getRepliedTime();
+
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    boolean hasMachineName();
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    java.lang.String getMachineName();
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    com.google.protobuf.ByteString
+        getMachineNameBytes();
+
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    boolean hasEndpointName();
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    java.lang.String getEndpointName();
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    com.google.protobuf.ByteString
+        getEndpointNameBytes();
+
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    boolean hasErrorMessage();
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    java.lang.String getErrorMessage();
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    com.google.protobuf.ByteString
+        getErrorMessageBytes();
+
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    boolean hasRedirect();
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    java.lang.String getRedirect();
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    com.google.protobuf.ByteString
+        getRedirectBytes();
+
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    java.util.List<proto.Rpc.TraceInfo> 
+        getChildCallsList();
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    proto.Rpc.TraceInfo getChildCalls(int index);
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    int getChildCallsCount();
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    java.util.List<? extends proto.Rpc.TraceInfoOrBuilder> 
+        getChildCallsOrBuilderList();
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    proto.Rpc.TraceInfoOrBuilder getChildCallsOrBuilder(
+        int index);
+  }
+  /**
+   * Protobuf type {@code proto.TraceInfo}
+   */
+  public static final class TraceInfo extends
+      com.google.protobuf.GeneratedMessage implements
+      // @@protoc_insertion_point(message_implements:proto.TraceInfo)
+      TraceInfoOrBuilder {
+    // Use TraceInfo.newBuilder() to construct.
+    private TraceInfo(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private TraceInfo(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final TraceInfo defaultInstance;
+    public static TraceInfo getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public TraceInfo getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private TraceInfo(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 8: {
+              bitField0_ |= 0x00000001;
+              receivedTime_ = input.readInt64();
+              break;
+            }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              repliedTime_ = input.readInt64();
+              break;
+            }
+            case 26: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000004;
+              machineName_ = bs;
+              break;
+            }
+            case 34: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000008;
+              endpointName_ = bs;
+              break;
+            }
+            case 42: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000010;
+              errorMessage_ = bs;
+              break;
+            }
+            case 50: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000020;
+              redirect_ = bs;
+              break;
+            }
+            case 58: {
+              if (!((mutable_bitField0_ & 0x00000040) == 0x00000040)) {
+                childCalls_ = new java.util.ArrayList<proto.Rpc.TraceInfo>();
+                mutable_bitField0_ |= 0x00000040;
+              }
+              childCalls_.add(input.readMessage(proto.Rpc.TraceInfo.PARSER, extensionRegistry));
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        if (((mutable_bitField0_ & 0x00000040) == 0x00000040)) {
+          childCalls_ = java.util.Collections.unmodifiableList(childCalls_);
+        }
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return proto.Rpc.internal_static_proto_TraceInfo_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return proto.Rpc.internal_static_proto_TraceInfo_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              proto.Rpc.TraceInfo.class, proto.Rpc.TraceInfo.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<TraceInfo> PARSER =
+        new com.google.protobuf.AbstractParser<TraceInfo>() {
+      public TraceInfo parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new TraceInfo(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<TraceInfo> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    public static final int RECEIVED_TIME_FIELD_NUMBER = 1;
+    private long receivedTime_;
+    /**
+     * <code>required int64 received_time = 1;</code>
+     */
+    public boolean hasReceivedTime() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required int64 received_time = 1;</code>
+     */
+    public long getReceivedTime() {
+      return receivedTime_;
+    }
+
+    public static final int REPLIED_TIME_FIELD_NUMBER = 2;
+    private long repliedTime_;
+    /**
+     * <code>required int64 replied_time = 2;</code>
+     */
+    public boolean hasRepliedTime() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>required int64 replied_time = 2;</code>
+     */
+    public long getRepliedTime() {
+      return repliedTime_;
+    }
+
+    public static final int MACHINE_NAME_FIELD_NUMBER = 3;
+    private java.lang.Object machineName_;
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    public boolean hasMachineName() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    public java.lang.String getMachineName() {
+      java.lang.Object ref = machineName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          machineName_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string machine_name = 3;</code>
+     */
+    public com.google.protobuf.ByteString
+        getMachineNameBytes() {
+      java.lang.Object ref = machineName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        machineName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int ENDPOINT_NAME_FIELD_NUMBER = 4;
+    private java.lang.Object endpointName_;
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    public boolean hasEndpointName() {
+      return ((bitField0_ & 0x00000008) == 0x00000008);
+    }
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    public java.lang.String getEndpointName() {
+      java.lang.Object ref = endpointName_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          endpointName_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string endpoint_name = 4;</code>
+     */
+    public com.google.protobuf.ByteString
+        getEndpointNameBytes() {
+      java.lang.Object ref = endpointName_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        endpointName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int ERROR_MESSAGE_FIELD_NUMBER = 5;
+    private java.lang.Object errorMessage_;
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    public boolean hasErrorMessage() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    public java.lang.String getErrorMessage() {
+      java.lang.Object ref = errorMessage_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          errorMessage_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string error_message = 5;</code>
+     */
+    public com.google.protobuf.ByteString
+        getErrorMessageBytes() {
+      java.lang.Object ref = errorMessage_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        errorMessage_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int REDIRECT_FIELD_NUMBER = 6;
+    private java.lang.Object redirect_;
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    public boolean hasRedirect() {
+      return ((bitField0_ & 0x00000020) == 0x00000020);
+    }
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    public java.lang.String getRedirect() {
+      java.lang.Object ref = redirect_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          redirect_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string redirect = 6;</code>
+     */
+    public com.google.protobuf.ByteString
+        getRedirectBytes() {
+      java.lang.Object ref = redirect_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        redirect_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int CHILD_CALLS_FIELD_NUMBER = 7;
+    private java.util.List<proto.Rpc.TraceInfo> childCalls_;
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    public java.util.List<proto.Rpc.TraceInfo> getChildCallsList() {
+      return childCalls_;
+    }
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    public java.util.List<? extends proto.Rpc.TraceInfoOrBuilder> 
+        getChildCallsOrBuilderList() {
+      return childCalls_;
+    }
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    public int getChildCallsCount() {
+      return childCalls_.size();
+    }
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    public proto.Rpc.TraceInfo getChildCalls(int index) {
+      return childCalls_.get(index);
+    }
+    /**
+     * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+     */
+    public proto.Rpc.TraceInfoOrBuilder getChildCallsOrBuilder(
+        int index) {
+      return childCalls_.get(index);
+    }
+
+    private void initFields() {
+      receivedTime_ = 0L;
+      repliedTime_ = 0L;
+      machineName_ = "";
+      endpointName_ = "";
+      errorMessage_ = "";
+      redirect_ = "";
+      childCalls_ = java.util.Collections.emptyList();
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      if (!hasReceivedTime()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasRepliedTime()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      for (int i = 0; i < getChildCallsCount(); i++) {
+        if (!getChildCalls(i).isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeInt64(1, receivedTime_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeInt64(2, repliedTime_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        output.writeBytes(3, getMachineNameBytes());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        output.writeBytes(4, getEndpointNameBytes());
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeBytes(5, getErrorMessageBytes());
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        output.writeBytes(6, getRedirectBytes());
+      }
+      for (int i = 0; i < childCalls_.size(); i++) {
+        output.writeMessage(7, childCalls_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt64Size(1, receivedTime_);
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt64Size(2, repliedTime_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(3, getMachineNameBytes());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(4, getEndpointNameBytes());
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(5, getErrorMessageBytes());
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(6, getRedirectBytes());
+      }
+      for (int i = 0; i < childCalls_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(7, childCalls_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static proto.Rpc.TraceInfo parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.TraceInfo parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static proto.Rpc.TraceInfo parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.TraceInfo parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(proto.Rpc.TraceInfo prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code proto.TraceInfo}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:proto.TraceInfo)
+        proto.Rpc.TraceInfoOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return proto.Rpc.internal_static_proto_TraceInfo_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return proto.Rpc.internal_static_proto_TraceInfo_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                proto.Rpc.TraceInfo.class, proto.Rpc.TraceInfo.Builder.class);
+      }
+
+      // Construct using proto.Rpc.TraceInfo.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          getChildCallsFieldBuilder();
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        receivedTime_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        repliedTime_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        machineName_ = "";
+        bitField0_ = (bitField0_ & ~0x00000004);
+        endpointName_ = "";
+        bitField0_ = (bitField0_ & ~0x00000008);
+        errorMessage_ = "";
+        bitField0_ = (bitField0_ & ~0x00000010);
+        redirect_ = "";
+        bitField0_ = (bitField0_ & ~0x00000020);
+        if (childCallsBuilder_ == null) {
+          childCalls_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000040);
+        } else {
+          childCallsBuilder_.clear();
+        }
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return proto.Rpc.internal_static_proto_TraceInfo_descriptor;
+      }
+
+      public proto.Rpc.TraceInfo getDefaultInstanceForType() {
+        return proto.Rpc.TraceInfo.getDefaultInstance();
+      }
+
+      public proto.Rpc.TraceInfo build() {
+        proto.Rpc.TraceInfo result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public proto.Rpc.TraceInfo buildPartial() {
+        proto.Rpc.TraceInfo result = new proto.Rpc.TraceInfo(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.receivedTime_ = receivedTime_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.repliedTime_ = repliedTime_;
+        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.machineName_ = machineName_;
+        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
+          to_bitField0_ |= 0x00000008;
+        }
+        result.endpointName_ = endpointName_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        result.errorMessage_ = errorMessage_;
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000020;
+        }
+        result.redirect_ = redirect_;
+        if (childCallsBuilder_ == null) {
+          if (((bitField0_ & 0x00000040) == 0x00000040)) {
+            childCalls_ = java.util.Collections.unmodifiableList(childCalls_);
+            bitField0_ = (bitField0_ & ~0x00000040);
+          }
+          result.childCalls_ = childCalls_;
+        } else {
+          result.childCalls_ = childCallsBuilder_.build();
+        }
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof proto.Rpc.TraceInfo) {
+          return mergeFrom((proto.Rpc.TraceInfo)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(proto.Rpc.TraceInfo other) {
+        if (other == proto.Rpc.TraceInfo.getDefaultInstance()) return this;
+        if (other.hasReceivedTime()) {
+          setReceivedTime(other.getReceivedTime());
+        }
+        if (other.hasRepliedTime()) {
+          setRepliedTime(other.getRepliedTime());
+        }
+        if (other.hasMachineName()) {
+          bitField0_ |= 0x00000004;
+          machineName_ = other.machineName_;
+          onChanged();
+        }
+        if (other.hasEndpointName()) {
+          bitField0_ |= 0x00000008;
+          endpointName_ = other.endpointName_;
+          onChanged();
+        }
+        if (other.hasErrorMessage()) {
+          bitField0_ |= 0x00000010;
+          errorMessage_ = other.errorMessage_;
+          onChanged();
+        }
+        if (other.hasRedirect()) {
+          bitField0_ |= 0x00000020;
+          redirect_ = other.redirect_;
+          onChanged();
+        }
+        if (childCallsBuilder_ == null) {
+          if (!other.childCalls_.isEmpty()) {
+            if (childCalls_.isEmpty()) {
+              childCalls_ = other.childCalls_;
+              bitField0_ = (bitField0_ & ~0x00000040);
+            } else {
+              ensureChildCallsIsMutable();
+              childCalls_.addAll(other.childCalls_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.childCalls_.isEmpty()) {
+            if (childCallsBuilder_.isEmpty()) {
+              childCallsBuilder_.dispose();
+              childCallsBuilder_ = null;
+              childCalls_ = other.childCalls_;
+              bitField0_ = (bitField0_ & ~0x00000040);
+              childCallsBuilder_ = 
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?
+                   getChildCallsFieldBuilder() : null;
+            } else {
+              childCallsBuilder_.addAllMessages(other.childCalls_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasReceivedTime()) {
+          
+          return false;
+        }
+        if (!hasRepliedTime()) {
+          
+          return false;
+        }
+        for (int i = 0; i < getChildCallsCount(); i++) {
+          if (!getChildCalls(i).isInitialized()) {
+            
+            return false;
+          }
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        proto.Rpc.TraceInfo parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (proto.Rpc.TraceInfo) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private long receivedTime_ ;
+      /**
+       * <code>required int64 received_time = 1;</code>
+       */
+      public boolean hasReceivedTime() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required int64 received_time = 1;</code>
+       */
+      public long getReceivedTime() {
+        return receivedTime_;
+      }
+      /**
+       * <code>required int64 received_time = 1;</code>
+       */
+      public Builder setReceivedTime(long value) {
+        bitField0_ |= 0x00000001;
+        receivedTime_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required int64 received_time = 1;</code>
+       */
+      public Builder clearReceivedTime() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        receivedTime_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private long repliedTime_ ;
+      /**
+       * <code>required int64 replied_time = 2;</code>
+       */
+      public boolean hasRepliedTime() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>required int64 replied_time = 2;</code>
+       */
+      public long getRepliedTime() {
+        return repliedTime_;
+      }
+      /**
+       * <code>required int64 replied_time = 2;</code>
+       */
+      public Builder setRepliedTime(long value) {
+        bitField0_ |= 0x00000002;
+        repliedTime_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required int64 replied_time = 2;</code>
+       */
+      public Builder clearRepliedTime() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        repliedTime_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object machineName_ = "";
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public boolean hasMachineName() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
+      }
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public java.lang.String getMachineName() {
+        java.lang.Object ref = machineName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            machineName_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public com.google.protobuf.ByteString
+          getMachineNameBytes() {
+        java.lang.Object ref = machineName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          machineName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public Builder setMachineName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        machineName_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public Builder clearMachineName() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        machineName_ = getDefaultInstance().getMachineName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string machine_name = 3;</code>
+       */
+      public Builder setMachineNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        machineName_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object endpointName_ = "";
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public boolean hasEndpointName() {
+        return ((bitField0_ & 0x00000008) == 0x00000008);
+      }
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public java.lang.String getEndpointName() {
+        java.lang.Object ref = endpointName_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            endpointName_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public com.google.protobuf.ByteString
+          getEndpointNameBytes() {
+        java.lang.Object ref = endpointName_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          endpointName_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public Builder setEndpointName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        endpointName_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public Builder clearEndpointName() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        endpointName_ = getDefaultInstance().getEndpointName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string endpoint_name = 4;</code>
+       */
+      public Builder setEndpointNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        endpointName_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object errorMessage_ = "";
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public boolean hasErrorMessage() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public java.lang.String getErrorMessage() {
+        java.lang.Object ref = errorMessage_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            errorMessage_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public com.google.protobuf.ByteString
+          getErrorMessageBytes() {
+        java.lang.Object ref = errorMessage_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          errorMessage_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public Builder setErrorMessage(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000010;
+        errorMessage_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public Builder clearErrorMessage() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        errorMessage_ = getDefaultInstance().getErrorMessage();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string error_message = 5;</code>
+       */
+      public Builder setErrorMessageBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000010;
+        errorMessage_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object redirect_ = "";
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public boolean hasRedirect() {
+        return ((bitField0_ & 0x00000020) == 0x00000020);
+      }
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public java.lang.String getRedirect() {
+        java.lang.Object ref = redirect_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            redirect_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public com.google.protobuf.ByteString
+          getRedirectBytes() {
+        java.lang.Object ref = redirect_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          redirect_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public Builder setRedirect(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        redirect_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public Builder clearRedirect() {
+        bitField0_ = (bitField0_ & ~0x00000020);
+        redirect_ = getDefaultInstance().getRedirect();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string redirect = 6;</code>
+       */
+      public Builder setRedirectBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        redirect_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<proto.Rpc.TraceInfo> childCalls_ =
+        java.util.Collections.emptyList();
+      private void ensureChildCallsIsMutable() {
+        if (!((bitField0_ & 0x00000040) == 0x00000040)) {
+          childCalls_ = new java.util.ArrayList<proto.Rpc.TraceInfo>(childCalls_);
+          bitField0_ |= 0x00000040;
+         }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+          proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder> childCallsBuilder_;
+
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public java.util.List<proto.Rpc.TraceInfo> getChildCallsList() {
+        if (childCallsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(childCalls_);
+        } else {
+          return childCallsBuilder_.getMessageList();
+        }
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public int getChildCallsCount() {
+        if (childCallsBuilder_ == null) {
+          return childCalls_.size();
+        } else {
+          return childCallsBuilder_.getCount();
+        }
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public proto.Rpc.TraceInfo getChildCalls(int index) {
+        if (childCallsBuilder_ == null) {
+          return childCalls_.get(index);
+        } else {
+          return childCallsBuilder_.getMessage(index);
+        }
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder setChildCalls(
+          int index, proto.Rpc.TraceInfo value) {
+        if (childCallsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureChildCallsIsMutable();
+          childCalls_.set(index, value);
+          onChanged();
+        } else {
+          childCallsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder setChildCalls(
+          int index, proto.Rpc.TraceInfo.Builder builderForValue) {
+        if (childCallsBuilder_ == null) {
+          ensureChildCallsIsMutable();
+          childCalls_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          childCallsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder addChildCalls(proto.Rpc.TraceInfo value) {
+        if (childCallsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureChildCallsIsMutable();
+          childCalls_.add(value);
+          onChanged();
+        } else {
+          childCallsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder addChildCalls(
+          int index, proto.Rpc.TraceInfo value) {
+        if (childCallsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureChildCallsIsMutable();
+          childCalls_.add(index, value);
+          onChanged();
+        } else {
+          childCallsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder addChildCalls(
+          proto.Rpc.TraceInfo.Builder builderForValue) {
+        if (childCallsBuilder_ == null) {
+          ensureChildCallsIsMutable();
+          childCalls_.add(builderForValue.build());
+          onChanged();
+        } else {
+          childCallsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder addChildCalls(
+          int index, proto.Rpc.TraceInfo.Builder builderForValue) {
+        if (childCallsBuilder_ == null) {
+          ensureChildCallsIsMutable();
+          childCalls_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          childCallsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder addAllChildCalls(
+          java.lang.Iterable<? extends proto.Rpc.TraceInfo> values) {
+        if (childCallsBuilder_ == null) {
+          ensureChildCallsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(
+              values, childCalls_);
+          onChanged();
+        } else {
+          childCallsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder clearChildCalls() {
+        if (childCallsBuilder_ == null) {
+          childCalls_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000040);
+          onChanged();
+        } else {
+          childCallsBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public Builder removeChildCalls(int index) {
+        if (childCallsBuilder_ == null) {
+          ensureChildCallsIsMutable();
+          childCalls_.remove(index);
+          onChanged();
+        } else {
+          childCallsBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public proto.Rpc.TraceInfo.Builder getChildCallsBuilder(
+          int index) {
+        return getChildCallsFieldBuilder().getBuilder(index);
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public proto.Rpc.TraceInfoOrBuilder getChildCallsOrBuilder(
+          int index) {
+        if (childCallsBuilder_ == null) {
+          return childCalls_.get(index);  } else {
+          return childCallsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public java.util.List<? extends proto.Rpc.TraceInfoOrBuilder> 
+           getChildCallsOrBuilderList() {
+        if (childCallsBuilder_ != null) {
+          return childCallsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(childCalls_);
+        }
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public proto.Rpc.TraceInfo.Builder addChildCallsBuilder() {
+        return getChildCallsFieldBuilder().addBuilder(
+            proto.Rpc.TraceInfo.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public proto.Rpc.TraceInfo.Builder addChildCallsBuilder(
+          int index) {
+        return getChildCallsFieldBuilder().addBuilder(
+            index, proto.Rpc.TraceInfo.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .proto.TraceInfo child_calls = 7;</code>
+       */
+      public java.util.List<proto.Rpc.TraceInfo.Builder> 
+           getChildCallsBuilderList() {
+        return getChildCallsFieldBuilder().getBuilderList();
+      }
+      private com.google.protobuf.RepeatedFieldBuilder<
+          proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder> 
+          getChildCallsFieldBuilder() {
+        if (childCallsBuilder_ == null) {
+          childCallsBuilder_ = new com.google.protobuf.RepeatedFieldBuilder<
+              proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder>(
+                  childCalls_,
+                  ((bitField0_ & 0x00000040) == 0x00000040),
+                  getParentForChildren(),
+                  isClean());
+          childCalls_ = null;
+        }
+        return childCallsBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:proto.TraceInfo)
+    }
+
+    static {
+      defaultInstance = new TraceInfo(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:proto.TraceInfo)
+  }
+
+  public interface RPCRequestOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:proto.RPCRequest)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    boolean hasRpcId();
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    java.lang.String getRpcId();
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    com.google.protobuf.ByteString
+        getRpcIdBytes();
+
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    boolean hasSrvc();
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    java.lang.String getSrvc();
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    com.google.protobuf.ByteString
+        getSrvcBytes();
+
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    boolean hasProcedure();
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    java.lang.String getProcedure();
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    com.google.protobuf.ByteString
+        getProcedureBytes();
+
+    /**
+     * <code>required bytes data = 4;</code>
+     */
+    boolean hasData();
+    /**
+     * <code>required bytes data = 4;</code>
+     */
+    com.google.protobuf.ByteString getData();
+
+    /**
+     * <code>optional int64 deadline = 5;</code>
+     *
+     * <pre>
+     * UNIX µs timestamp after which we don't want to have an answer anymore
+     * </pre>
+     */
+    boolean hasDeadline();
+    /**
+     * <code>optional int64 deadline = 5;</code>
+     *
+     * <pre>
+     * UNIX µs timestamp after which we don't want to have an answer anymore
+     * </pre>
+     */
+    long getDeadline();
+
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    boolean hasCallerId();
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    java.lang.String getCallerId();
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    com.google.protobuf.ByteString
+        getCallerIdBytes();
+
+    /**
+     * <code>optional bool want_trace = 7;</code>
+     */
+    boolean hasWantTrace();
+    /**
+     * <code>optional bool want_trace = 7;</code>
+     */
+    boolean getWantTrace();
+  }
+  /**
+   * Protobuf type {@code proto.RPCRequest}
+   */
+  public static final class RPCRequest extends
+      com.google.protobuf.GeneratedMessage implements
+      // @@protoc_insertion_point(message_implements:proto.RPCRequest)
+      RPCRequestOrBuilder {
+    // Use RPCRequest.newBuilder() to construct.
+    private RPCRequest(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private RPCRequest(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final RPCRequest defaultInstance;
+    public static RPCRequest getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public RPCRequest getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private RPCRequest(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 10: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000001;
+              rpcId_ = bs;
+              break;
+            }
+            case 18: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000002;
+              srvc_ = bs;
+              break;
+            }
+            case 26: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000004;
+              procedure_ = bs;
+              break;
+            }
+            case 34: {
+              bitField0_ |= 0x00000008;
+              data_ = input.readBytes();
+              break;
+            }
+            case 40: {
+              bitField0_ |= 0x00000010;
+              deadline_ = input.readInt64();
+              break;
+            }
+            case 50: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000020;
+              callerId_ = bs;
+              break;
+            }
+            case 56: {
+              bitField0_ |= 0x00000040;
+              wantTrace_ = input.readBool();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return proto.Rpc.internal_static_proto_RPCRequest_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return proto.Rpc.internal_static_proto_RPCRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              proto.Rpc.RPCRequest.class, proto.Rpc.RPCRequest.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<RPCRequest> PARSER =
+        new com.google.protobuf.AbstractParser<RPCRequest>() {
+      public RPCRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new RPCRequest(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RPCRequest> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    public static final int RPC_ID_FIELD_NUMBER = 1;
+    private java.lang.Object rpcId_;
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    public boolean hasRpcId() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    public java.lang.String getRpcId() {
+      java.lang.Object ref = rpcId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          rpcId_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     *
+     * <pre>
+     * A unique-ish ID for this RPC
+     * </pre>
+     */
+    public com.google.protobuf.ByteString
+        getRpcIdBytes() {
+      java.lang.Object ref = rpcId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        rpcId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int SRVC_FIELD_NUMBER = 2;
+    private java.lang.Object srvc_;
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    public boolean hasSrvc() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    public java.lang.String getSrvc() {
+      java.lang.Object ref = srvc_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          srvc_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>required string srvc = 2;</code>
+     */
+    public com.google.protobuf.ByteString
+        getSrvcBytes() {
+      java.lang.Object ref = srvc_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        srvc_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int PROCEDURE_FIELD_NUMBER = 3;
+    private java.lang.Object procedure_;
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    public boolean hasProcedure() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    public java.lang.String getProcedure() {
+      java.lang.Object ref = procedure_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          procedure_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>required string procedure = 3;</code>
+     */
+    public com.google.protobuf.ByteString
+        getProcedureBytes() {
+      java.lang.Object ref = procedure_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        procedure_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int DATA_FIELD_NUMBER = 4;
+    private com.google.protobuf.ByteString data_;
+    /**
+     * <code>required bytes data = 4;</code>
+     */
+    public boolean hasData() {
+      return ((bitField0_ & 0x00000008) == 0x00000008);
+    }
+    /**
+     * <code>required bytes data = 4;</code>
+     */
+    public com.google.protobuf.ByteString getData() {
+      return data_;
+    }
+
+    public static final int DEADLINE_FIELD_NUMBER = 5;
+    private long deadline_;
+    /**
+     * <code>optional int64 deadline = 5;</code>
+     *
+     * <pre>
+     * UNIX µs timestamp after which we don't want to have an answer anymore
+     * </pre>
+     */
+    public boolean hasDeadline() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional int64 deadline = 5;</code>
+     *
+     * <pre>
+     * UNIX µs timestamp after which we don't want to have an answer anymore
+     * </pre>
+     */
+    public long getDeadline() {
+      return deadline_;
+    }
+
+    public static final int CALLER_ID_FIELD_NUMBER = 6;
+    private java.lang.Object callerId_;
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    public boolean hasCallerId() {
+      return ((bitField0_ & 0x00000020) == 0x00000020);
+    }
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    public java.lang.String getCallerId() {
+      java.lang.Object ref = callerId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          callerId_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string caller_id = 6;</code>
+     *
+     * <pre>
+     * (i.e. the server doesn't need to bother sending one)
+     * </pre>
+     */
+    public com.google.protobuf.ByteString
+        getCallerIdBytes() {
+      java.lang.Object ref = callerId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        callerId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int WANT_TRACE_FIELD_NUMBER = 7;
+    private boolean wantTrace_;
+    /**
+     * <code>optional bool want_trace = 7;</code>
+     */
+    public boolean hasWantTrace() {
+      return ((bitField0_ & 0x00000040) == 0x00000040);
+    }
+    /**
+     * <code>optional bool want_trace = 7;</code>
+     */
+    public boolean getWantTrace() {
+      return wantTrace_;
+    }
+
+    private void initFields() {
+      rpcId_ = "";
+      srvc_ = "";
+      procedure_ = "";
+      data_ = com.google.protobuf.ByteString.EMPTY;
+      deadline_ = 0L;
+      callerId_ = "";
+      wantTrace_ = false;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      if (!hasSrvc()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasProcedure()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasData()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeBytes(1, getRpcIdBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeBytes(2, getSrvcBytes());
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        output.writeBytes(3, getProcedureBytes());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        output.writeBytes(4, data_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeInt64(5, deadline_);
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        output.writeBytes(6, getCallerIdBytes());
+      }
+      if (((bitField0_ & 0x00000040) == 0x00000040)) {
+        output.writeBool(7, wantTrace_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(1, getRpcIdBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(2, getSrvcBytes());
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(3, getProcedureBytes());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(4, data_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt64Size(5, deadline_);
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(6, getCallerIdBytes());
+      }
+      if (((bitField0_ & 0x00000040) == 0x00000040)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(7, wantTrace_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static proto.Rpc.RPCRequest parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.RPCRequest parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static proto.Rpc.RPCRequest parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.RPCRequest parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(proto.Rpc.RPCRequest prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code proto.RPCRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:proto.RPCRequest)
+        proto.Rpc.RPCRequestOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return proto.Rpc.internal_static_proto_RPCRequest_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return proto.Rpc.internal_static_proto_RPCRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                proto.Rpc.RPCRequest.class, proto.Rpc.RPCRequest.Builder.class);
+      }
+
+      // Construct using proto.Rpc.RPCRequest.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        rpcId_ = "";
+        bitField0_ = (bitField0_ & ~0x00000001);
+        srvc_ = "";
+        bitField0_ = (bitField0_ & ~0x00000002);
+        procedure_ = "";
+        bitField0_ = (bitField0_ & ~0x00000004);
+        data_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000008);
+        deadline_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000010);
+        callerId_ = "";
+        bitField0_ = (bitField0_ & ~0x00000020);
+        wantTrace_ = false;
+        bitField0_ = (bitField0_ & ~0x00000040);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return proto.Rpc.internal_static_proto_RPCRequest_descriptor;
+      }
+
+      public proto.Rpc.RPCRequest getDefaultInstanceForType() {
+        return proto.Rpc.RPCRequest.getDefaultInstance();
+      }
+
+      public proto.Rpc.RPCRequest build() {
+        proto.Rpc.RPCRequest result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public proto.Rpc.RPCRequest buildPartial() {
+        proto.Rpc.RPCRequest result = new proto.Rpc.RPCRequest(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.rpcId_ = rpcId_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.srvc_ = srvc_;
+        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.procedure_ = procedure_;
+        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
+          to_bitField0_ |= 0x00000008;
+        }
+        result.data_ = data_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        result.deadline_ = deadline_;
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000020;
+        }
+        result.callerId_ = callerId_;
+        if (((from_bitField0_ & 0x00000040) == 0x00000040)) {
+          to_bitField0_ |= 0x00000040;
+        }
+        result.wantTrace_ = wantTrace_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof proto.Rpc.RPCRequest) {
+          return mergeFrom((proto.Rpc.RPCRequest)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(proto.Rpc.RPCRequest other) {
+        if (other == proto.Rpc.RPCRequest.getDefaultInstance()) return this;
+        if (other.hasRpcId()) {
+          bitField0_ |= 0x00000001;
+          rpcId_ = other.rpcId_;
+          onChanged();
+        }
+        if (other.hasSrvc()) {
+          bitField0_ |= 0x00000002;
+          srvc_ = other.srvc_;
+          onChanged();
+        }
+        if (other.hasProcedure()) {
+          bitField0_ |= 0x00000004;
+          procedure_ = other.procedure_;
+          onChanged();
+        }
+        if (other.hasData()) {
+          setData(other.getData());
+        }
+        if (other.hasDeadline()) {
+          setDeadline(other.getDeadline());
+        }
+        if (other.hasCallerId()) {
+          bitField0_ |= 0x00000020;
+          callerId_ = other.callerId_;
+          onChanged();
+        }
+        if (other.hasWantTrace()) {
+          setWantTrace(other.getWantTrace());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasSrvc()) {
+          
+          return false;
+        }
+        if (!hasProcedure()) {
+          
+          return false;
+        }
+        if (!hasData()) {
+          
+          return false;
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        proto.Rpc.RPCRequest parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (proto.Rpc.RPCRequest) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private java.lang.Object rpcId_ = "";
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public boolean hasRpcId() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public java.lang.String getRpcId() {
+        java.lang.Object ref = rpcId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            rpcId_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public com.google.protobuf.ByteString
+          getRpcIdBytes() {
+        java.lang.Object ref = rpcId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          rpcId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public Builder setRpcId(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        rpcId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public Builder clearRpcId() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        rpcId_ = getDefaultInstance().getRpcId();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       *
+       * <pre>
+       * A unique-ish ID for this RPC
+       * </pre>
+       */
+      public Builder setRpcIdBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        rpcId_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object srvc_ = "";
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public boolean hasSrvc() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public java.lang.String getSrvc() {
+        java.lang.Object ref = srvc_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            srvc_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public com.google.protobuf.ByteString
+          getSrvcBytes() {
+        java.lang.Object ref = srvc_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          srvc_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public Builder setSrvc(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000002;
+        srvc_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public Builder clearSrvc() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        srvc_ = getDefaultInstance().getSrvc();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string srvc = 2;</code>
+       */
+      public Builder setSrvcBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000002;
+        srvc_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object procedure_ = "";
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public boolean hasProcedure() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
+      }
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public java.lang.String getProcedure() {
+        java.lang.Object ref = procedure_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            procedure_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public com.google.protobuf.ByteString
+          getProcedureBytes() {
+        java.lang.Object ref = procedure_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          procedure_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public Builder setProcedure(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        procedure_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public Builder clearProcedure() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        procedure_ = getDefaultInstance().getProcedure();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string procedure = 3;</code>
+       */
+      public Builder setProcedureBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000004;
+        procedure_ = value;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>required bytes data = 4;</code>
+       */
+      public boolean hasData() {
+        return ((bitField0_ & 0x00000008) == 0x00000008);
+      }
+      /**
+       * <code>required bytes data = 4;</code>
+       */
+      public com.google.protobuf.ByteString getData() {
+        return data_;
+      }
+      /**
+       * <code>required bytes data = 4;</code>
+       */
+      public Builder setData(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        data_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required bytes data = 4;</code>
+       */
+      public Builder clearData() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        data_ = getDefaultInstance().getData();
+        onChanged();
+        return this;
+      }
+
+      private long deadline_ ;
+      /**
+       * <code>optional int64 deadline = 5;</code>
+       *
+       * <pre>
+       * UNIX µs timestamp after which we don't want to have an answer anymore
+       * </pre>
+       */
+      public boolean hasDeadline() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional int64 deadline = 5;</code>
+       *
+       * <pre>
+       * UNIX µs timestamp after which we don't want to have an answer anymore
+       * </pre>
+       */
+      public long getDeadline() {
+        return deadline_;
+      }
+      /**
+       * <code>optional int64 deadline = 5;</code>
+       *
+       * <pre>
+       * UNIX µs timestamp after which we don't want to have an answer anymore
+       * </pre>
+       */
+      public Builder setDeadline(long value) {
+        bitField0_ |= 0x00000010;
+        deadline_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional int64 deadline = 5;</code>
+       *
+       * <pre>
+       * UNIX µs timestamp after which we don't want to have an answer anymore
+       * </pre>
+       */
+      public Builder clearDeadline() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        deadline_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object callerId_ = "";
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public boolean hasCallerId() {
+        return ((bitField0_ & 0x00000020) == 0x00000020);
+      }
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public java.lang.String getCallerId() {
+        java.lang.Object ref = callerId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            callerId_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public com.google.protobuf.ByteString
+          getCallerIdBytes() {
+        java.lang.Object ref = callerId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          callerId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public Builder setCallerId(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        callerId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public Builder clearCallerId() {
+        bitField0_ = (bitField0_ & ~0x00000020);
+        callerId_ = getDefaultInstance().getCallerId();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string caller_id = 6;</code>
+       *
+       * <pre>
+       * (i.e. the server doesn't need to bother sending one)
+       * </pre>
+       */
+      public Builder setCallerIdBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000020;
+        callerId_ = value;
+        onChanged();
+        return this;
+      }
+
+      private boolean wantTrace_ ;
+      /**
+       * <code>optional bool want_trace = 7;</code>
+       */
+      public boolean hasWantTrace() {
+        return ((bitField0_ & 0x00000040) == 0x00000040);
+      }
+      /**
+       * <code>optional bool want_trace = 7;</code>
+       */
+      public boolean getWantTrace() {
+        return wantTrace_;
+      }
+      /**
+       * <code>optional bool want_trace = 7;</code>
+       */
+      public Builder setWantTrace(boolean value) {
+        bitField0_ |= 0x00000040;
+        wantTrace_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bool want_trace = 7;</code>
+       */
+      public Builder clearWantTrace() {
+        bitField0_ = (bitField0_ & ~0x00000040);
+        wantTrace_ = false;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:proto.RPCRequest)
+    }
+
+    static {
+      defaultInstance = new RPCRequest(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:proto.RPCRequest)
+  }
+
+  public interface RPCResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:proto.RPCResponse)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    boolean hasRpcId();
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    java.lang.String getRpcId();
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    com.google.protobuf.ByteString
+        getRpcIdBytes();
+
+    /**
+     * <code>optional bytes response_data = 2;</code>
+     */
+    boolean hasResponseData();
+    /**
+     * <code>optional bytes response_data = 2;</code>
+     */
+    com.google.protobuf.ByteString getResponseData();
+
+    /**
+     * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+     */
+    boolean hasResponseStatus();
+    /**
+     * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+     */
+    proto.Rpc.RPCResponse.Status getResponseStatus();
+
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    boolean hasErrorMessage();
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    java.lang.String getErrorMessage();
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    com.google.protobuf.ByteString
+        getErrorMessageBytes();
+
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    boolean hasTraceinfo();
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    proto.Rpc.TraceInfo getTraceinfo();
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    proto.Rpc.TraceInfoOrBuilder getTraceinfoOrBuilder();
+  }
+  /**
+   * Protobuf type {@code proto.RPCResponse}
+   */
+  public static final class RPCResponse extends
+      com.google.protobuf.GeneratedMessage implements
+      // @@protoc_insertion_point(message_implements:proto.RPCResponse)
+      RPCResponseOrBuilder {
+    // Use RPCResponse.newBuilder() to construct.
+    private RPCResponse(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private RPCResponse(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final RPCResponse defaultInstance;
+    public static RPCResponse getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public RPCResponse getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private RPCResponse(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 10: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000001;
+              rpcId_ = bs;
+              break;
+            }
+            case 18: {
+              bitField0_ |= 0x00000002;
+              responseData_ = input.readBytes();
+              break;
+            }
+            case 24: {
+              int rawValue = input.readEnum();
+              proto.Rpc.RPCResponse.Status value = proto.Rpc.RPCResponse.Status.valueOf(rawValue);
+              if (value == null) {
+                unknownFields.mergeVarintField(3, rawValue);
+              } else {
+                bitField0_ |= 0x00000004;
+                responseStatus_ = value;
+              }
+              break;
+            }
+            case 34: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000008;
+              errorMessage_ = bs;
+              break;
+            }
+            case 42: {
+              proto.Rpc.TraceInfo.Builder subBuilder = null;
+              if (((bitField0_ & 0x00000010) == 0x00000010)) {
+                subBuilder = traceinfo_.toBuilder();
+              }
+              traceinfo_ = input.readMessage(proto.Rpc.TraceInfo.PARSER, extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(traceinfo_);
+                traceinfo_ = subBuilder.buildPartial();
+              }
+              bitField0_ |= 0x00000010;
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return proto.Rpc.internal_static_proto_RPCResponse_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return proto.Rpc.internal_static_proto_RPCResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              proto.Rpc.RPCResponse.class, proto.Rpc.RPCResponse.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<RPCResponse> PARSER =
+        new com.google.protobuf.AbstractParser<RPCResponse>() {
+      public RPCResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new RPCResponse(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<RPCResponse> getParserForType() {
+      return PARSER;
+    }
+
+    /**
+     * Protobuf enum {@code proto.RPCResponse.Status}
+     */
+    public enum Status
+        implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       * <code>STATUS_UNKNOWN = 0;</code>
+       *
+       * <pre>
+       * Default value
+       * </pre>
+       */
+      STATUS_UNKNOWN(0, 0),
+      /**
+       * <code>STATUS_OK = 1;</code>
+       *
+       * <pre>
+       * a.k.a. 200
+       * </pre>
+       */
+      STATUS_OK(1, 1),
+      /**
+       * <code>STATUS_NOT_FOUND = 2;</code>
+       *
+       * <pre>
+       * service/endpoint not found (a.k.a. 404)
+       * </pre>
+       */
+      STATUS_NOT_FOUND(2, 2),
+      /**
+       * <code>STATUS_NOT_OK = 4;</code>
+       *
+       * <pre>
+       * The handler returned an error; see the error_message for a description (500). response_data may have content
+       * </pre>
+       */
+      STATUS_NOT_OK(3, 4),
+      /**
+       * <code>STATUS_SERVER_ERROR = 5;</code>
+       *
+       * <pre>
+       * An error happened in the clusterrpc implementation (500)
+       * </pre>
+       */
+      STATUS_SERVER_ERROR(4, 5),
+      /**
+       * <code>STATUS_TIMEOUT = 6;</code>
+       *
+       * <pre>
+       * The requested timeout has been expired
+       * </pre>
+       */
+      STATUS_TIMEOUT(5, 6),
+      /**
+       * <code>STATUS_OVERLOADED_RETRY = 7;</code>
+       *
+       * <pre>
+       * The server is overloaded (503)
+       * </pre>
+       */
+      STATUS_OVERLOADED_RETRY(6, 7),
+      /**
+       * <code>STATUS_CLIENT_REQUEST_ERROR = 9;</code>
+       *
+       * <pre>
+       * We couldn't even send the request (PB serialization error, ...)
+       * </pre>
+       */
+      STATUS_CLIENT_REQUEST_ERROR(7, 9),
+      /**
+       * <code>STATUS_CLIENT_NETWORK_ERROR = 10;</code>
+       *
+       * <pre>
+       * We couldn't send the request because of network/socket issues.
+       * </pre>
+       */
+      STATUS_CLIENT_NETWORK_ERROR(8, 10),
+      /**
+       * <code>STATUS_CLIENT_CALLED_WRONG = 11;</code>
+       *
+       * <pre>
+       * Client function called in a wrong way (e.g. different lengt of raddrs
+       * and rports slices to NewClientRR())
+       * </pre>
+       */
+      STATUS_CLIENT_CALLED_WRONG(9, 11),
+      /**
+       * <code>STATUS_MISSED_DEADLINE = 12;</code>
+       *
+       * <pre>
+       * Timeout somewhere in the call stack
+       * </pre>
+       */
+      STATUS_MISSED_DEADLINE(10, 12),
+      /**
+       * <code>STATUS_LOADSHED = 13;</code>
+       *
+       * <pre>
+       * Loadshedding mode, not accepting requests right now
+       * </pre>
+       */
+      STATUS_LOADSHED(11, 13),
+      /**
+       * <code>STATUS_UNHEALTHY = 14;</code>
+       *
+       * <pre>
+       * Health check failed
+       * </pre>
+       */
+      STATUS_UNHEALTHY(12, 14),
+      ;
+
+      /**
+       * <code>STATUS_UNKNOWN = 0;</code>
+       *
+       * <pre>
+       * Default value
+       * </pre>
+       */
+      public static final int STATUS_UNKNOWN_VALUE = 0;
+      /**
+       * <code>STATUS_OK = 1;</code>
+       *
+       * <pre>
+       * a.k.a. 200
+       * </pre>
+       */
+      public static final int STATUS_OK_VALUE = 1;
+      /**
+       * <code>STATUS_NOT_FOUND = 2;</code>
+       *
+       * <pre>
+       * service/endpoint not found (a.k.a. 404)
+       * </pre>
+       */
+      public static final int STATUS_NOT_FOUND_VALUE = 2;
+      /**
+       * <code>STATUS_NOT_OK = 4;</code>
+       *
+       * <pre>
+       * The handler returned an error; see the error_message for a description (500). response_data may have content
+       * </pre>
+       */
+      public static final int STATUS_NOT_OK_VALUE = 4;
+      /**
+       * <code>STATUS_SERVER_ERROR = 5;</code>
+       *
+       * <pre>
+       * An error happened in the clusterrpc implementation (500)
+       * </pre>
+       */
+      public static final int STATUS_SERVER_ERROR_VALUE = 5;
+      /**
+       * <code>STATUS_TIMEOUT = 6;</code>
+       *
+       * <pre>
+       * The requested timeout has been expired
+       * </pre>
+       */
+      public static final int STATUS_TIMEOUT_VALUE = 6;
+      /**
+       * <code>STATUS_OVERLOADED_RETRY = 7;</code>
+       *
+       * <pre>
+       * The server is overloaded (503)
+       * </pre>
+       */
+      public static final int STATUS_OVERLOADED_RETRY_VALUE = 7;
+      /**
+       * <code>STATUS_CLIENT_REQUEST_ERROR = 9;</code>
+       *
+       * <pre>
+       * We couldn't even send the request (PB serialization error, ...)
+       * </pre>
+       */
+      public static final int STATUS_CLIENT_REQUEST_ERROR_VALUE = 9;
+      /**
+       * <code>STATUS_CLIENT_NETWORK_ERROR = 10;</code>
+       *
+       * <pre>
+       * We couldn't send the request because of network/socket issues.
+       * </pre>
+       */
+      public static final int STATUS_CLIENT_NETWORK_ERROR_VALUE = 10;
+      /**
+       * <code>STATUS_CLIENT_CALLED_WRONG = 11;</code>
+       *
+       * <pre>
+       * Client function called in a wrong way (e.g. different lengt of raddrs
+       * and rports slices to NewClientRR())
+       * </pre>
+       */
+      public static final int STATUS_CLIENT_CALLED_WRONG_VALUE = 11;
+      /**
+       * <code>STATUS_MISSED_DEADLINE = 12;</code>
+       *
+       * <pre>
+       * Timeout somewhere in the call stack
+       * </pre>
+       */
+      public static final int STATUS_MISSED_DEADLINE_VALUE = 12;
+      /**
+       * <code>STATUS_LOADSHED = 13;</code>
+       *
+       * <pre>
+       * Loadshedding mode, not accepting requests right now
+       * </pre>
+       */
+      public static final int STATUS_LOADSHED_VALUE = 13;
+      /**
+       * <code>STATUS_UNHEALTHY = 14;</code>
+       *
+       * <pre>
+       * Health check failed
+       * </pre>
+       */
+      public static final int STATUS_UNHEALTHY_VALUE = 14;
+
+
+      public final int getNumber() { return value; }
+
+      public static Status valueOf(int value) {
+        switch (value) {
+          case 0: return STATUS_UNKNOWN;
+          case 1: return STATUS_OK;
+          case 2: return STATUS_NOT_FOUND;
+          case 4: return STATUS_NOT_OK;
+          case 5: return STATUS_SERVER_ERROR;
+          case 6: return STATUS_TIMEOUT;
+          case 7: return STATUS_OVERLOADED_RETRY;
+          case 9: return STATUS_CLIENT_REQUEST_ERROR;
+          case 10: return STATUS_CLIENT_NETWORK_ERROR;
+          case 11: return STATUS_CLIENT_CALLED_WRONG;
+          case 12: return STATUS_MISSED_DEADLINE;
+          case 13: return STATUS_LOADSHED;
+          case 14: return STATUS_UNHEALTHY;
+          default: return null;
+        }
+      }
+
+      public static com.google.protobuf.Internal.EnumLiteMap<Status>
+          internalGetValueMap() {
+        return internalValueMap;
+      }
+      private static com.google.protobuf.Internal.EnumLiteMap<Status>
+          internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<Status>() {
+              public Status findValueByNumber(int number) {
+                return Status.valueOf(number);
+              }
+            };
+
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor
+          getValueDescriptor() {
+        return getDescriptor().getValues().get(index);
+      }
+      public final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptorForType() {
+        return getDescriptor();
+      }
+      public static final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptor() {
+        return proto.Rpc.RPCResponse.getDescriptor().getEnumTypes().get(0);
+      }
+
+      private static final Status[] VALUES = values();
+
+      public static Status valueOf(
+          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+        if (desc.getType() != getDescriptor()) {
+          throw new java.lang.IllegalArgumentException(
+            "EnumValueDescriptor is not for this type.");
+        }
+        return VALUES[desc.getIndex()];
+      }
+
+      private final int index;
+      private final int value;
+
+      private Status(int index, int value) {
+        this.index = index;
+        this.value = value;
+      }
+
+      // @@protoc_insertion_point(enum_scope:proto.RPCResponse.Status)
+    }
+
+    private int bitField0_;
+    public static final int RPC_ID_FIELD_NUMBER = 1;
+    private java.lang.Object rpcId_;
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    public boolean hasRpcId() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    public java.lang.String getRpcId() {
+      java.lang.Object ref = rpcId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          rpcId_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string rpc_id = 1;</code>
+     */
+    public com.google.protobuf.ByteString
+        getRpcIdBytes() {
+      java.lang.Object ref = rpcId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        rpcId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int RESPONSE_DATA_FIELD_NUMBER = 2;
+    private com.google.protobuf.ByteString responseData_;
+    /**
+     * <code>optional bytes response_data = 2;</code>
+     */
+    public boolean hasResponseData() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional bytes response_data = 2;</code>
+     */
+    public com.google.protobuf.ByteString getResponseData() {
+      return responseData_;
+    }
+
+    public static final int RESPONSE_STATUS_FIELD_NUMBER = 3;
+    private proto.Rpc.RPCResponse.Status responseStatus_;
+    /**
+     * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+     */
+    public boolean hasResponseStatus() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+     */
+    public proto.Rpc.RPCResponse.Status getResponseStatus() {
+      return responseStatus_;
+    }
+
+    public static final int ERROR_MESSAGE_FIELD_NUMBER = 4;
+    private java.lang.Object errorMessage_;
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    public boolean hasErrorMessage() {
+      return ((bitField0_ & 0x00000008) == 0x00000008);
+    }
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    public java.lang.String getErrorMessage() {
+      java.lang.Object ref = errorMessage_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          errorMessage_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string error_message = 4;</code>
+     */
+    public com.google.protobuf.ByteString
+        getErrorMessageBytes() {
+      java.lang.Object ref = errorMessage_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        errorMessage_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int TRACEINFO_FIELD_NUMBER = 5;
+    private proto.Rpc.TraceInfo traceinfo_;
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    public boolean hasTraceinfo() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    public proto.Rpc.TraceInfo getTraceinfo() {
+      return traceinfo_;
+    }
+    /**
+     * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+     */
+    public proto.Rpc.TraceInfoOrBuilder getTraceinfoOrBuilder() {
+      return traceinfo_;
+    }
+
+    private void initFields() {
+      rpcId_ = "";
+      responseData_ = com.google.protobuf.ByteString.EMPTY;
+      responseStatus_ = proto.Rpc.RPCResponse.Status.STATUS_UNKNOWN;
+      errorMessage_ = "";
+      traceinfo_ = proto.Rpc.TraceInfo.getDefaultInstance();
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      if (!hasResponseStatus()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (hasTraceinfo()) {
+        if (!getTraceinfo().isInitialized()) {
+          memoizedIsInitialized = 0;
+          return false;
+        }
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeBytes(1, getRpcIdBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeBytes(2, responseData_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        output.writeEnum(3, responseStatus_.getNumber());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        output.writeBytes(4, getErrorMessageBytes());
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeMessage(5, traceinfo_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(1, getRpcIdBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(2, responseData_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeEnumSize(3, responseStatus_.getNumber());
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(4, getErrorMessageBytes());
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(5, traceinfo_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    public static proto.Rpc.RPCResponse parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.RPCResponse parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static proto.Rpc.RPCResponse parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static proto.Rpc.RPCResponse parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(proto.Rpc.RPCResponse prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code proto.RPCResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:proto.RPCResponse)
+        proto.Rpc.RPCResponseOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return proto.Rpc.internal_static_proto_RPCResponse_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return proto.Rpc.internal_static_proto_RPCResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                proto.Rpc.RPCResponse.class, proto.Rpc.RPCResponse.Builder.class);
+      }
+
+      // Construct using proto.Rpc.RPCResponse.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          getTraceinfoFieldBuilder();
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        rpcId_ = "";
+        bitField0_ = (bitField0_ & ~0x00000001);
+        responseData_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        responseStatus_ = proto.Rpc.RPCResponse.Status.STATUS_UNKNOWN;
+        bitField0_ = (bitField0_ & ~0x00000004);
+        errorMessage_ = "";
+        bitField0_ = (bitField0_ & ~0x00000008);
+        if (traceinfoBuilder_ == null) {
+          traceinfo_ = proto.Rpc.TraceInfo.getDefaultInstance();
+        } else {
+          traceinfoBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000010);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return proto.Rpc.internal_static_proto_RPCResponse_descriptor;
+      }
+
+      public proto.Rpc.RPCResponse getDefaultInstanceForType() {
+        return proto.Rpc.RPCResponse.getDefaultInstance();
+      }
+
+      public proto.Rpc.RPCResponse build() {
+        proto.Rpc.RPCResponse result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public proto.Rpc.RPCResponse buildPartial() {
+        proto.Rpc.RPCResponse result = new proto.Rpc.RPCResponse(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.rpcId_ = rpcId_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.responseData_ = responseData_;
+        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.responseStatus_ = responseStatus_;
+        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
+          to_bitField0_ |= 0x00000008;
+        }
+        result.errorMessage_ = errorMessage_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        if (traceinfoBuilder_ == null) {
+          result.traceinfo_ = traceinfo_;
+        } else {
+          result.traceinfo_ = traceinfoBuilder_.build();
+        }
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof proto.Rpc.RPCResponse) {
+          return mergeFrom((proto.Rpc.RPCResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(proto.Rpc.RPCResponse other) {
+        if (other == proto.Rpc.RPCResponse.getDefaultInstance()) return this;
+        if (other.hasRpcId()) {
+          bitField0_ |= 0x00000001;
+          rpcId_ = other.rpcId_;
+          onChanged();
+        }
+        if (other.hasResponseData()) {
+          setResponseData(other.getResponseData());
+        }
+        if (other.hasResponseStatus()) {
+          setResponseStatus(other.getResponseStatus());
+        }
+        if (other.hasErrorMessage()) {
+          bitField0_ |= 0x00000008;
+          errorMessage_ = other.errorMessage_;
+          onChanged();
+        }
+        if (other.hasTraceinfo()) {
+          mergeTraceinfo(other.getTraceinfo());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasResponseStatus()) {
+          
+          return false;
+        }
+        if (hasTraceinfo()) {
+          if (!getTraceinfo().isInitialized()) {
+            
+            return false;
+          }
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        proto.Rpc.RPCResponse parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (proto.Rpc.RPCResponse) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private java.lang.Object rpcId_ = "";
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public boolean hasRpcId() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public java.lang.String getRpcId() {
+        java.lang.Object ref = rpcId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            rpcId_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public com.google.protobuf.ByteString
+          getRpcIdBytes() {
+        java.lang.Object ref = rpcId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          rpcId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public Builder setRpcId(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        rpcId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public Builder clearRpcId() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        rpcId_ = getDefaultInstance().getRpcId();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string rpc_id = 1;</code>
+       */
+      public Builder setRpcIdBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        rpcId_ = value;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.ByteString responseData_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>optional bytes response_data = 2;</code>
+       */
+      public boolean hasResponseData() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional bytes response_data = 2;</code>
+       */
+      public com.google.protobuf.ByteString getResponseData() {
+        return responseData_;
+      }
+      /**
+       * <code>optional bytes response_data = 2;</code>
+       */
+      public Builder setResponseData(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000002;
+        responseData_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bytes response_data = 2;</code>
+       */
+      public Builder clearResponseData() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        responseData_ = getDefaultInstance().getResponseData();
+        onChanged();
+        return this;
+      }
+
+      private proto.Rpc.RPCResponse.Status responseStatus_ = proto.Rpc.RPCResponse.Status.STATUS_UNKNOWN;
+      /**
+       * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+       */
+      public boolean hasResponseStatus() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
+      }
+      /**
+       * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+       */
+      public proto.Rpc.RPCResponse.Status getResponseStatus() {
+        return responseStatus_;
+      }
+      /**
+       * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+       */
+      public Builder setResponseStatus(proto.Rpc.RPCResponse.Status value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000004;
+        responseStatus_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required .proto.RPCResponse.Status response_status = 3;</code>
+       */
+      public Builder clearResponseStatus() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        responseStatus_ = proto.Rpc.RPCResponse.Status.STATUS_UNKNOWN;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object errorMessage_ = "";
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public boolean hasErrorMessage() {
+        return ((bitField0_ & 0x00000008) == 0x00000008);
+      }
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public java.lang.String getErrorMessage() {
+        java.lang.Object ref = errorMessage_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            errorMessage_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public com.google.protobuf.ByteString
+          getErrorMessageBytes() {
+        java.lang.Object ref = errorMessage_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          errorMessage_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public Builder setErrorMessage(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        errorMessage_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public Builder clearErrorMessage() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        errorMessage_ = getDefaultInstance().getErrorMessage();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string error_message = 4;</code>
+       */
+      public Builder setErrorMessageBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000008;
+        errorMessage_ = value;
+        onChanged();
+        return this;
+      }
+
+      private proto.Rpc.TraceInfo traceinfo_ = proto.Rpc.TraceInfo.getDefaultInstance();
+      private com.google.protobuf.SingleFieldBuilder<
+          proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder> traceinfoBuilder_;
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public boolean hasTraceinfo() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public proto.Rpc.TraceInfo getTraceinfo() {
+        if (traceinfoBuilder_ == null) {
+          return traceinfo_;
+        } else {
+          return traceinfoBuilder_.getMessage();
+        }
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public Builder setTraceinfo(proto.Rpc.TraceInfo value) {
+        if (traceinfoBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          traceinfo_ = value;
+          onChanged();
+        } else {
+          traceinfoBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public Builder setTraceinfo(
+          proto.Rpc.TraceInfo.Builder builderForValue) {
+        if (traceinfoBuilder_ == null) {
+          traceinfo_ = builderForValue.build();
+          onChanged();
+        } else {
+          traceinfoBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public Builder mergeTraceinfo(proto.Rpc.TraceInfo value) {
+        if (traceinfoBuilder_ == null) {
+          if (((bitField0_ & 0x00000010) == 0x00000010) &&
+              traceinfo_ != proto.Rpc.TraceInfo.getDefaultInstance()) {
+            traceinfo_ =
+              proto.Rpc.TraceInfo.newBuilder(traceinfo_).mergeFrom(value).buildPartial();
+          } else {
+            traceinfo_ = value;
+          }
+          onChanged();
+        } else {
+          traceinfoBuilder_.mergeFrom(value);
+        }
+        bitField0_ |= 0x00000010;
+        return this;
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public Builder clearTraceinfo() {
+        if (traceinfoBuilder_ == null) {
+          traceinfo_ = proto.Rpc.TraceInfo.getDefaultInstance();
+          onChanged();
+        } else {
+          traceinfoBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000010);
+        return this;
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public proto.Rpc.TraceInfo.Builder getTraceinfoBuilder() {
+        bitField0_ |= 0x00000010;
+        onChanged();
+        return getTraceinfoFieldBuilder().getBuilder();
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      public proto.Rpc.TraceInfoOrBuilder getTraceinfoOrBuilder() {
+        if (traceinfoBuilder_ != null) {
+          return traceinfoBuilder_.getMessageOrBuilder();
+        } else {
+          return traceinfo_;
+        }
+      }
+      /**
+       * <code>optional .proto.TraceInfo traceinfo = 5;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+          proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder> 
+          getTraceinfoFieldBuilder() {
+        if (traceinfoBuilder_ == null) {
+          traceinfoBuilder_ = new com.google.protobuf.SingleFieldBuilder<
+              proto.Rpc.TraceInfo, proto.Rpc.TraceInfo.Builder, proto.Rpc.TraceInfoOrBuilder>(
+                  getTraceinfo(),
+                  getParentForChildren(),
+                  isClean());
+          traceinfo_ = null;
+        }
+        return traceinfoBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:proto.RPCResponse)
+    }
+
+    static {
+      defaultInstance = new RPCResponse(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:proto.RPCResponse)
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_proto_TraceInfo_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_proto_TraceInfo_fieldAccessorTable;
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_proto_RPCRequest_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_proto_RPCRequest_fieldAccessorTable;
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_proto_RPCResponse_descriptor;
+  private static
+    com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_proto_RPCResponse_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\trpc.proto\022\005proto\"\265\001\n\tTraceInfo\022\025\n\rrece" +
+      "ived_time\030\001 \002(\003\022\024\n\014replied_time\030\002 \002(\003\022\024\n" +
+      "\014machine_name\030\003 \001(\t\022\025\n\rendpoint_name\030\004 \001" +
+      "(\t\022\025\n\rerror_message\030\005 \001(\t\022\020\n\010redirect\030\006 " +
+      "\001(\t\022%\n\013child_calls\030\007 \003(\0132\020.proto.TraceIn" +
+      "fo\"\204\001\n\nRPCRequest\022\016\n\006rpc_id\030\001 \001(\t\022\014\n\004srv" +
+      "c\030\002 \002(\t\022\021\n\tprocedure\030\003 \002(\t\022\014\n\004data\030\004 \002(\014" +
+      "\022\020\n\010deadline\030\005 \001(\003\022\021\n\tcaller_id\030\006 \001(\t\022\022\n" +
+      "\nwant_trace\030\007 \001(\010\"\356\003\n\013RPCResponse\022\016\n\006rpc" +
+      "_id\030\001 \001(\t\022\025\n\rresponse_data\030\002 \001(\014\0222\n\017resp",
+      "onse_status\030\003 \002(\0162\031.proto.RPCResponse.St" +
+      "atus\022\025\n\rerror_message\030\004 \001(\t\022#\n\ttraceinfo" +
+      "\030\005 \001(\0132\020.proto.TraceInfo\"\307\002\n\006Status\022\022\n\016S" +
+      "TATUS_UNKNOWN\020\000\022\r\n\tSTATUS_OK\020\001\022\024\n\020STATUS" +
+      "_NOT_FOUND\020\002\022\021\n\rSTATUS_NOT_OK\020\004\022\027\n\023STATU" +
+      "S_SERVER_ERROR\020\005\022\022\n\016STATUS_TIMEOUT\020\006\022\033\n\027" +
+      "STATUS_OVERLOADED_RETRY\020\007\022\037\n\033STATUS_CLIE" +
+      "NT_REQUEST_ERROR\020\t\022\037\n\033STATUS_CLIENT_NETW" +
+      "ORK_ERROR\020\n\022\036\n\032STATUS_CLIENT_CALLED_WRON" +
+      "G\020\013\022\032\n\026STATUS_MISSED_DEADLINE\020\014\022\023\n\017STATU",
+      "S_LOADSHED\020\r\022\024\n\020STATUS_UNHEALTHY\020\016"
+    };
+    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
+        new com.google.protobuf.Descriptors.FileDescriptor.    InternalDescriptorAssigner() {
+          public com.google.protobuf.ExtensionRegistry assignDescriptors(
+              com.google.protobuf.Descriptors.FileDescriptor root) {
+            descriptor = root;
+            return null;
+          }
+        };
+    com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        }, assigner);
+    internal_static_proto_TraceInfo_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_proto_TraceInfo_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_proto_TraceInfo_descriptor,
+        new java.lang.String[] { "ReceivedTime", "RepliedTime", "MachineName", "EndpointName", "ErrorMessage", "Redirect", "ChildCalls", });
+    internal_static_proto_RPCRequest_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_proto_RPCRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_proto_RPCRequest_descriptor,
+        new java.lang.String[] { "RpcId", "Srvc", "Procedure", "Data", "Deadline", "CallerId", "WantTrace", });
+    internal_static_proto_RPCResponse_descriptor =
+      getDescriptor().getMessageTypes().get(2);
+    internal_static_proto_RPCResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+        internal_static_proto_RPCResponse_descriptor,
+        new java.lang.String[] { "RpcId", "ResponseData", "ResponseStatus", "ErrorMessage", "Traceinfo", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/net/borgac/clusterrpc/ClusterRPCRootTest.java	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,49 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package net.borgac.clusterrpc;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ *
+ * @author lbo
+ */
+public class ClusterRPCRootTest {
+
+    public ClusterRPCRootTest() {
+    }
+
+    @BeforeClass
+    public static void setUpClass() {
+    }
+
+    @AfterClass
+    public static void tearDownClass() {
+    }
+
+    @Before
+    public void setUp() {
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    // TODO add test methods here.
+    // The methods must be annotated with annotation @Test. For example:
+    //
+    // @Test
+    // public void hello() {}
+    @Test
+    public void testThatTestingWorks() {
+        Assert.assertTrue(true);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/net/borgac/clusterrpc/TestDependencies.java	Fri Sep 23 16:23:46 2016 +0200
@@ -0,0 +1,46 @@
+package net.borgac.clusterrpc;
+
+import com.google.protobuf.Empty;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ *
+ * @author lbo
+ */
+public class TestDependencies {
+
+    public TestDependencies() {
+    }
+
+    @BeforeClass
+    public static void setUpClass() {
+    }
+
+    @AfterClass
+    public static void tearDownClass() {
+    }
+
+    @Before
+    public void setUp() {
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    // TODO add test methods here.
+    // The methods must be annotated with annotation @Test. For example:
+    //
+    // @Test
+    // public void hello() {}
+    @Test
+    public void testProtobufLib() {
+        Empty e = Empty.newBuilder().build();
+        Assert.assertNotNull(e);
+    }
+}