mirror of
https://github.com/ivabus/pantry
synced 2024-11-30 04:05:06 +03:00
572fa511cb
* +wangle * fix cmake files * [wip] Add test * whole bunch of fixes * Darwin folly deps * Kills can fail * skip cleanup (breaks testing) * this is thorny * nevermind --------- Co-authored-by: Jacob Heider <jacob@tea.xyz>
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* 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 <iostream>
|
|
|
|
#include <folly/portability/GFlags.h>
|
|
|
|
#include <folly/init/Init.h>
|
|
#include <wangle/bootstrap/ClientBootstrap.h>
|
|
#include <wangle/channel/AsyncSocketHandler.h>
|
|
#include <wangle/channel/EventBaseHandler.h>
|
|
#include <wangle/codec/LineBasedFrameDecoder.h>
|
|
#include <wangle/codec/StringCodec.h>
|
|
|
|
using namespace folly;
|
|
using namespace wangle;
|
|
|
|
DEFINE_int32(port, 8080, "echo server port");
|
|
DEFINE_string(host, "::1", "echo server address");
|
|
|
|
typedef Pipeline<folly::IOBufQueue&, std::string> EchoPipeline;
|
|
|
|
// the handler for receiving messages back from the server
|
|
class EchoHandler : public HandlerAdapter<std::string> {
|
|
public:
|
|
void read(Context*, std::string msg) override {
|
|
std::cout << "received back: " << msg;
|
|
}
|
|
void readException(Context* ctx, exception_wrapper e) override {
|
|
std::cout << exceptionStr(e) << std::endl;
|
|
close(ctx);
|
|
}
|
|
void readEOF(Context* ctx) override {
|
|
std::cout << "EOF received :(" << std::endl;
|
|
close(ctx);
|
|
}
|
|
};
|
|
|
|
// chains the handlers together to define the response pipeline
|
|
class EchoPipelineFactory : public PipelineFactory<EchoPipeline> {
|
|
public:
|
|
EchoPipeline::Ptr newPipeline(std::shared_ptr<AsyncTransport> sock) override {
|
|
auto pipeline = EchoPipeline::create();
|
|
pipeline->addBack(AsyncSocketHandler(sock));
|
|
pipeline->addBack(
|
|
EventBaseHandler()); // ensure we can write from any thread
|
|
pipeline->addBack(LineBasedFrameDecoder(8192, false));
|
|
pipeline->addBack(StringCodec());
|
|
pipeline->addBack(EchoHandler());
|
|
pipeline->finalize();
|
|
return pipeline;
|
|
}
|
|
};
|
|
|
|
int main(int argc, char** argv) {
|
|
folly::Init init(&argc, &argv);
|
|
|
|
ClientBootstrap<EchoPipeline> client;
|
|
client.group(std::make_shared<folly::IOThreadPoolExecutor>(1));
|
|
client.pipelineFactory(std::make_shared<EchoPipelineFactory>());
|
|
auto pipeline = client.connect(SocketAddress(FLAGS_host, FLAGS_port)).get();
|
|
|
|
try {
|
|
while (true) {
|
|
std::string line;
|
|
std::getline(std::cin, line);
|
|
if (line == "") {
|
|
break;
|
|
}
|
|
|
|
pipeline->write(line + "\r\n").get();
|
|
if (line == "bye") {
|
|
pipeline->close();
|
|
break;
|
|
}
|
|
}
|
|
} catch (const std::exception& e) {
|
|
std::cout << exceptionStr(e) << std::endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|