srpc/tutorial/tutorial-06-brpc_pb_client.cc

/*
  Copyright (c) 2020 sogou, Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

#include <stdio.h>
#include "workflow/WFFacilities.h"
#include "echo_pb.srpc.h"

using namespace srpc;

static WFFacilities::WaitGroup wait_group(1);

int main()
{
	Example::BRPCClient client("127.0.0.1", 1412);

	//async
	EchoRequest req;
	req.set_message("Hello, srpc!");
	req.set_name("1412");

	client.Echo(&req, [](EchoResponse *resp, RPCContext *ctx) {
		if (ctx->success())
			printf("%s\n", resp->DebugString().c_str());
		else
			printf("status[%d] error[%d] errmsg:%s\n",
					ctx->get_status_code(), ctx->get_error(), ctx->get_errmsg());

		const char *attachment;
		size_t len;

		while (ctx->get_attachment(&attachment, &len))
			printf("get attachment [%.*s] len=%zu\n", (int)len, attachment, len);

		wait_group.done();
	});

	//sync
	EchoRequest sync_req;
	EchoResponse sync_resp;
	RPCSyncContext sync_ctx;

	sync_req.set_message("Hello, srpc!");
	sync_req.set_name("Sync");

	client.Echo(&sync_req, &sync_resp, &sync_ctx);

	if (sync_ctx.success)
		printf("%s\n", sync_resp.DebugString().c_str());
	else
		printf("status[%d] error[%d] errmsg:%s\n",
				sync_ctx.status_code, sync_ctx.error, sync_ctx.errmsg.c_str());

	wait_group.wait();
	return 0;
}