Re: [protobuf] service keyword in proto file outputs nothing after compiling ,protoc version 3.

2015-07-08 Thread 'Feng Xiao' via Protocol Buffers
On Wed, Jul 8, 2015 at 5:22 AM, cilen cilend...@gmail.com wrote:

 syntax = proto3;

 package helloworld;

 option java_multiple_files = true;
 option java_package = io.grpc.examples.helloworld;
 option java_outer_classname = HelloWorldProto;

 // The greeting service definition.
 service Greeter {
   rpc SayHello (HelloRequest) returns (HelloResponse) {}
 }

 // The request message containing the user's name.
 message HelloRequest {
   string name = 1;
 }

 // The response message containing the greetings
 message HelloResponse {
   string message = 1;
 }


 I save the above file into the helloworld.proto
 then I do the compiling,
  --- the output files contains all the information about HelloRequest
 HelloResponse
 But without any useful interface information about the Greeter.


 Should I do the interface coding myself in Proto3(libprotoc 3.0.0) ,or
 something is wrong for my config or protoc installation

Sorry, I just realized you are actually compiling the grpc example proto
file so you are already using grpc.

The protoc compiler itself does not produce grpc outputs for service. You
need to install the grpc plugins for the language you are using and invoke
protoc with the plugin. For example, you may invoke protoc like this:

$ protoc -I ../../protos/ --grpc_out=.
--plugin=protoc-gen-grpc=grpc_cpp_plugin ../../protos/helloworld.proto


See the grpc example in C++: http://www.grpc.io/docs/installation/c.html






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Re: [protobuf] service keyword in proto file outputs nothing after compiling ,protoc version 3.

2015-07-08 Thread 'Feng Xiao' via Protocol Buffers
On Wed, Jul 8, 2015 at 5:22 AM, cilen cilend...@gmail.com wrote:

 syntax = proto3;

 package helloworld;

 option java_multiple_files = true;
 option java_package = io.grpc.examples.helloworld;
 option java_outer_classname = HelloWorldProto;

 // The greeting service definition.
 service Greeter {
   rpc SayHello (HelloRequest) returns (HelloResponse) {}
 }

 // The request message containing the user's name.
 message HelloRequest {
   string name = 1;
 }

 // The response message containing the greetings
 message HelloResponse {
   string message = 1;
 }


 I save the above file into the helloworld.proto
 then I do the compiling,
  --- the output files contains all the information about HelloRequest
 HelloResponse
 But without any useful interface information about the Greeter.


 Should I do the interface coding myself in Proto3(libprotoc 3.0.0) ,or
 something is wrong for my config or protoc installation

Protobuf itself does not contain a RPC implementation. To use RPC with
protobuf, you might want to check out: http://www.grpc.io/







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