blob: 4cb0bb10e8a41b11b5b463c19a5c3bf6c00c08e9 [file] [log] [blame]
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "typedefs.h"
namespace webrtc {
namespace test {
// Reads chunks of data to simulate network packets from a byte array.
class PacketReader {
virtual ~PacketReader();
// Inizializes a new reading operation. Must be done before invoking the
// NextPacket method.
// * data_length_in_bytes is the length of the data byte array. Must be >= 0.
// 0 length will result in no packets are read.
// * packet_size_in_bytes is the number of bytes to read in each NextPacket
// method call. Must be > 0
virtual void InitializeReading(WebRtc_UWord8* data, int data_length_in_bytes,
int packet_size_in_bytes);
// Moves the supplied pointer to the beginning of the next packet.
// Returns:
// * The size of the packet ready to read (lower than the packet size for
// the last packet)
// * 0 if there are no more packets to read
// * -1 if InitializeReading has not been called (also prints to stderr).
virtual int NextPacket(WebRtc_UWord8** packet_pointer);
WebRtc_UWord8* data_;
int data_length_;
int packet_size_;
int currentIndex_;
bool initialized_;
} // namespace test
} // namespace webrtc