1 files changed, 71 insertions, 0 deletions
diff --git a/src/cpp/proto/proto_utils.cc b/src/cpp/proto/proto_utils.cc
new file mode 100644
index 0000000000..255d1461a9
--- /dev/null
+++ b/src/cpp/proto/proto_utils.cc
@@ -0,0 +1,71 @@
+/*
+ *
+ * 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 "src/cpp/proto/proto_utils.h"
+#include <grpc++/config.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/slice.h>
+#include <google/protobuf/message.h>
+
+namespace grpc {
+
+bool SerializeProto(const google::protobuf::Message& msg, grpc_byte_buffer** bp) {
+  grpc::string msg_str;
+  bool success = msg.SerializeToString(&msg_str);
+  if (success) {
+    gpr_slice slice =
+        gpr_slice_from_copied_buffer(msg_str.data(), msg_str.length());
+    *bp = grpc_byte_buffer_create(&slice, 1);
+    gpr_slice_unref(slice);
+  }
+  return success;
+}
+
+bool DeserializeProto(grpc_byte_buffer* buffer, google::protobuf::Message* msg) {
+  grpc::string msg_string;
+  grpc_byte_buffer_reader* reader = grpc_byte_buffer_reader_create(buffer);
+  gpr_slice slice;
+  while (grpc_byte_buffer_reader_next(reader, &slice)) {
+    const char* data = reinterpret_cast<const char*>(
+        slice.refcount ? slice.data.refcounted.bytes
+                       : slice.data.inlined.bytes);
+    msg_string.append(data, slice.refcount ? slice.data.refcounted.length
+                                           : slice.data.inlined.length);
+    gpr_slice_unref(slice);
+  }
+  grpc_byte_buffer_reader_destroy(reader);
+  return msg->ParseFromString(msg_string);
+}
+
+}  // namespace grpc