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diff --git a/src/cpp/server/async_server_context.cc b/src/cpp/server/async_server_context.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_context.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include "src/cpp/proto/proto_utils.h"
+#include <google/protobuf/message.h>
+#include <grpc++/status.h>
+
+namespace grpc {
+
+AsyncServerContext::AsyncServerContext(
+ grpc_call* call, const grpc::string& method, const grpc::string& host,
+ system_clock::time_point absolute_deadline)
+ : method_(method),
+ host_(host),
+ absolute_deadline_(absolute_deadline),
+ request_(nullptr),
+ call_(call) {
+}
+
+AsyncServerContext::~AsyncServerContext() { grpc_call_destroy(call_); }
+
+void AsyncServerContext::Accept(grpc_completion_queue* cq) {
+ grpc_call_accept(call_, cq, this, 0);
+}
+
+bool AsyncServerContext::StartRead(google::protobuf::Message* request) {
+ GPR_ASSERT(request);
+ request_ = request;
+ grpc_call_error err = grpc_call_start_read(call_, this);
+ return err == GRPC_CALL_OK;
+}
+
+bool AsyncServerContext::StartWrite(const google::protobuf::Message& response,
+ int flags) {
+ grpc_byte_buffer* buffer = nullptr;
+ if (!SerializeProto(response, &buffer)) {
+ return false;
+ }
+ grpc_call_error err = grpc_call_start_write(call_, buffer, this, flags);
+ grpc_byte_buffer_destroy(buffer);
+ return err == GRPC_CALL_OK;
+}
+
+namespace {
+grpc_status TranslateStatus(const Status& status) {
+ grpc_status c_status;
+ // TODO(yangg)
+ c_status.code = GRPC_STATUS_OK;
+ c_status.details = nullptr;
+ return c_status;
+}
+} // namespace
+
+bool AsyncServerContext::StartWriteStatus(const Status& status) {
+ grpc_status c_status = TranslateStatus(status);
+ grpc_call_error err = grpc_call_start_write_status(call_, c_status, this);
+ return err == GRPC_CALL_OK;
+}
+
+bool AsyncServerContext::ParseRead(grpc_byte_buffer* read_buffer) {
+ GPR_ASSERT(request_);
+ bool success = DeserializeProto(read_buffer, request_);
+ request_ = nullptr;
+ return success;
+}
+
+} // namespace grpc