mirror of
https://github.com/ivabus/pantry
synced 2024-09-20 00:30:48 +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>
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <iostream>
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#include <folly/portability/GFlags.h>
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#include <folly/init/Init.h>
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#include <wangle/bootstrap/ClientBootstrap.h>
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#include <wangle/channel/AsyncSocketHandler.h>
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#include <wangle/channel/EventBaseHandler.h>
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#include <wangle/codec/LineBasedFrameDecoder.h>
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#include <wangle/codec/StringCodec.h>
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using namespace folly;
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using namespace wangle;
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DEFINE_int32(port, 8080, "echo server port");
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DEFINE_string(host, "::1", "echo server address");
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typedef Pipeline<folly::IOBufQueue&, std::string> EchoPipeline;
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// the handler for receiving messages back from the server
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class EchoHandler : public HandlerAdapter<std::string> {
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public:
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void read(Context*, std::string msg) override {
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std::cout << "received back: " << msg;
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}
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void readException(Context* ctx, exception_wrapper e) override {
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std::cout << exceptionStr(e) << std::endl;
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close(ctx);
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}
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void readEOF(Context* ctx) override {
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std::cout << "EOF received :(" << std::endl;
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close(ctx);
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}
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};
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// chains the handlers together to define the response pipeline
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class EchoPipelineFactory : public PipelineFactory<EchoPipeline> {
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public:
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EchoPipeline::Ptr newPipeline(std::shared_ptr<AsyncTransport> sock) override {
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auto pipeline = EchoPipeline::create();
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pipeline->addBack(AsyncSocketHandler(sock));
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pipeline->addBack(
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EventBaseHandler()); // ensure we can write from any thread
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pipeline->addBack(LineBasedFrameDecoder(8192, false));
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pipeline->addBack(StringCodec());
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pipeline->addBack(EchoHandler());
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pipeline->finalize();
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return pipeline;
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}
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};
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int main(int argc, char** argv) {
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folly::Init init(&argc, &argv);
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ClientBootstrap<EchoPipeline> client;
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client.group(std::make_shared<folly::IOThreadPoolExecutor>(1));
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client.pipelineFactory(std::make_shared<EchoPipelineFactory>());
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auto pipeline = client.connect(SocketAddress(FLAGS_host, FLAGS_port)).get();
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try {
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while (true) {
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std::string line;
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std::getline(std::cin, line);
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if (line == "") {
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break;
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}
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pipeline->write(line + "\r\n").get();
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if (line == "bye") {
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pipeline->close();
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break;
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}
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}
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} catch (const std::exception& e) {
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std::cout << exceptionStr(e) << std::endl;
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}
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return 0;
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}
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