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Diffstat (limited to 'test/cpp/end2end/async_test_server.cc')
-rw-r--r-- | test/cpp/end2end/async_test_server.cc | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/test/cpp/end2end/async_test_server.cc b/test/cpp/end2end/async_test_server.cc new file mode 100644 index 0000000000..0a40dbbbd9 --- /dev/null +++ b/test/cpp/end2end/async_test_server.cc @@ -0,0 +1,155 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "test/cpp/end2end/async_test_server.h" + +#include <chrono> + +#include <grpc/support/log.h> +#include "src/cpp/proto/proto_utils.h" +#include "test/cpp/util/echo.pb.h" +#include <grpc++/async_server.h> +#include <grpc++/async_server_context.h> +#include <grpc++/completion_queue.h> +#include <grpc++/status.h> +#include <gtest/gtest.h> + +using grpc::cpp::test::util::EchoRequest; +using grpc::cpp::test::util::EchoResponse; + +using std::chrono::duration_cast; +using std::chrono::microseconds; +using std::chrono::seconds; +using std::chrono::system_clock; + +namespace grpc { +namespace testing { + +AsyncTestServer::AsyncTestServer() : server_(&cq_), cq_drained_(false) {} + +AsyncTestServer::~AsyncTestServer() {} + +void AsyncTestServer::AddPort(const grpc::string& addr) { + server_.AddPort(addr); +} + +void AsyncTestServer::Start() { server_.Start(); } + +// Return true if deadline actual is within 0.5s from expected. +bool DeadlineMatched(const system_clock::time_point& actual, + const system_clock::time_point& expected) { + microseconds diff_usecs = duration_cast<microseconds>(expected - actual); + gpr_log(GPR_INFO, "diff_usecs= %d", diff_usecs.count()); + return diff_usecs.count() < 500000 && diff_usecs.count() > -500000; +} + +void AsyncTestServer::RequestOneRpc() { server_.RequestOneRpc(); } + +void AsyncTestServer::MainLoop() { + EchoRequest request; + EchoResponse response; + void* tag = nullptr; + + RequestOneRpc(); + + while (true) { + CompletionQueue::CompletionType t = cq_.Next(&tag); + AsyncServerContext* server_context = static_cast<AsyncServerContext*>(tag); + switch (t) { + case CompletionQueue::SERVER_RPC_NEW: + gpr_log(GPR_INFO, "SERVER_RPC_NEW %p", server_context); + if (server_context) { + EXPECT_EQ(server_context->method(), "/foo"); + EXPECT_EQ(server_context->host(), "localhost"); + // TODO(ctiller): verify deadline + server_context->Accept(cq_.cq()); + // Handle only one rpc at a time. + RequestOneRpc(); + server_context->StartRead(&request); + } + break; + case CompletionQueue::RPC_END: + gpr_log(GPR_INFO, "RPC_END %p", server_context); + delete server_context; + break; + case CompletionQueue::SERVER_READ_OK: + gpr_log(GPR_INFO, "SERVER_READ_OK %p", server_context); + response.set_message(request.message()); + server_context->StartWrite(response, 0); + break; + case CompletionQueue::SERVER_READ_ERROR: + gpr_log(GPR_INFO, "SERVER_READ_ERROR %p", server_context); + server_context->StartWriteStatus(Status::OK); + break; + case CompletionQueue::HALFCLOSE_OK: + gpr_log(GPR_INFO, "HALFCLOSE_OK %p", server_context); + // Do nothing, just wait for RPC_END. + break; + case CompletionQueue::SERVER_WRITE_OK: + gpr_log(GPR_INFO, "SERVER_WRITE_OK %p", server_context); + server_context->StartRead(&request); + break; + case CompletionQueue::SERVER_WRITE_ERROR: + EXPECT_TRUE(0); + break; + case CompletionQueue::QUEUE_CLOSED: { + gpr_log(GPR_INFO, "QUEUE_CLOSED"); + HandleQueueClosed(); + return; + } + default: + EXPECT_TRUE(0); + break; + } + } +} + +void AsyncTestServer::HandleQueueClosed() { + std::unique_lock<std::mutex> lock(cq_drained_mu_); + cq_drained_ = true; + cq_drained_cv_.notify_all(); +} + +void AsyncTestServer::Shutdown() { + // The server need to be shut down before cq_ as grpc_server flushes all + // pending requested calls to the completion queue at shutdown. + server_.Shutdown(); + cq_.Shutdown(); + std::unique_lock<std::mutex> lock(cq_drained_mu_); + while (!cq_drained_) { + cq_drained_cv_.wait(lock); + } +} + +} // namespace testing +} // namespace grpc |