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
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+++ b/test/cpp/end2end/async_test_server.cc
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+/*
+ *
+ * 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