1 files changed, 89 insertions, 0 deletions
diff --git a/src/cpp/server/async_server.cc b/src/cpp/server/async_server.cc
new file mode 100644
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+++ b/src/cpp/server/async_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 <grpc++/async_server.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc++/completion_queue.h>
+
+namespace grpc {
+
+AsyncServer::AsyncServer(CompletionQueue* cc)
+    : started_(false), shutdown_(false) {
+  server_ = grpc_server_create(cc->cq(), nullptr);
+}
+
+AsyncServer::~AsyncServer() {
+  std::unique_lock<std::mutex> lock(shutdown_mu_);
+  if (started_ && !shutdown_) {
+    lock.unlock();
+    Shutdown();
+  }
+  grpc_server_destroy(server_);
+}
+
+void AsyncServer::AddPort(const grpc::string& addr) {
+  GPR_ASSERT(!started_);
+  int success = grpc_server_add_http2_port(server_, addr.c_str());
+  GPR_ASSERT(success);
+}
+
+void AsyncServer::Start() {
+  GPR_ASSERT(!started_);
+  started_ = true;
+  grpc_server_start(server_);
+}
+
+void AsyncServer::RequestOneRpc() {
+  GPR_ASSERT(started_);
+  std::unique_lock<std::mutex> lock(shutdown_mu_);
+  if (shutdown_) {
+    return;
+  }
+  lock.unlock();
+  grpc_call_error err = grpc_server_request_call(server_, nullptr);
+  GPR_ASSERT(err == GRPC_CALL_OK);
+}
+
+void AsyncServer::Shutdown() {
+  std::unique_lock<std::mutex> lock(shutdown_mu_);
+  if (started_ && !shutdown_) {
+    shutdown_ = true;
+    lock.unlock();
+    // TODO(yangg) should we shutdown without start?
+    grpc_server_shutdown(server_);
+  }
+}
+
+}  // namespace grpc