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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* ola-protoc.cpp
* Copyright (C) 2013 Simon Newton
*/
/**
* @brief OLA protocol buffer compiler.
*
* Generates the service & stub code for an RPC service based on a protocol
* buffer description.
*
* The orginal open source Protocol Buffers library came with a protoc that
* would generate Service & Stub classes for services defined in a .proto file.
*
* From https://developers.google.com/protocol-buffers/docs/proto#services, as
* of version 2.3.0 (January 2010), it is considered preferrable for RPC
* implementations to provide their own code to generate these files.
*
* The main advantage to generating the code ourselves is that we can define
* the type of the RpcController, rather than inheriting the interface from
* google::protobuf::RpcController. This is important because the
* google::protobuf::RpcController has no method to determine the peer so it
* has to be worked around with another layer of indirection on the server
* side.
*
* Ideally this would be a protoc code generator plugin, instead of it's own
* binary but that's more work than I'm willing to do right now.
*
* This code should not depend on anything in libola*, since we need the
* generated service & stub code to build libolacommon. Maybe one day someone
* will sort out the dependency mess...
*/
#include <google/protobuf/compiler/command_line_interface.h>
#include "protoc/CppGenerator.h"
int main(int argc, char *argv[]) {
google::protobuf::compiler::CommandLineInterface cli;
ola::CppGenerator cpp_service_generator;
cli.RegisterGenerator("--cppservice_out", &cpp_service_generator,
"Generate C++ Service file.");
return cli.Run(argc, argv);
}
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