1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "remoting/protocol/message_serialization.h" 6 7 #include "base/basictypes.h" 8 #include "base/containers/hash_tables.h" 9 #include "base/logging.h" 10 #include "net/base/io_buffer.h" 11 #include "third_party/webrtc/base/byteorder.h" 12 13 namespace remoting { 14 namespace protocol { 15 16 scoped_refptr<net::IOBufferWithSize> SerializeAndFrameMessage( 17 const google::protobuf::MessageLite& msg) { 18 // Create a buffer with 4 extra bytes. This is used as prefix to write an 19 // int32 of the serialized message size for framing. 20 const int kExtraBytes = sizeof(int32); 21 int size = msg.ByteSize() + kExtraBytes; 22 scoped_refptr<net::IOBufferWithSize> buffer(new net::IOBufferWithSize(size)); 23 rtc::SetBE32(buffer->data(), msg.GetCachedSize()); 24 msg.SerializeWithCachedSizesToArray( 25 reinterpret_cast<uint8*>(buffer->data()) + kExtraBytes); 26 return buffer; 27 } 28 29 } // namespace protocol 30 } // namespace remoting 31
