1 files changed, 28 insertions, 0 deletions
diff --git a/remoting/protocol/util.cc b/remoting/protocol/util.cc
new file mode 100644
index 0000000..5a23c93
--- /dev/null
+++ b/remoting/protocol/util.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "remoting/protocol/util.h"
+
+#include "base/basictypes.h"
+#include "base/hash_tables.h"
+#include "base/logging.h"
+#include "net/base/io_buffer.h"
+#include "third_party/libjingle/source/talk/base/byteorder.h"
+
+namespace remoting {
+
+scoped_refptr<net::IOBufferWithSize> SerializeAndFrameMessage(
+    const google::protobuf::MessageLite& msg) {
+  // Create a buffer with 4 extra bytes. This is used as prefix to write an
+  // int32 of the serialized message size for framing.
+  const int kExtraBytes = sizeof(int32);
+  int size = msg.ByteSize() + kExtraBytes;
+  scoped_refptr<net::IOBufferWithSize> buffer = new net::IOBufferWithSize(size);
+  talk_base::SetBE32(buffer->data(), msg.GetCachedSize());
+  msg.SerializeWithCachedSizesToArray(
+      reinterpret_cast<uint8*>(buffer->data()) + kExtraBytes);
+  return buffer;
+}
+
+}  // namespace remoting