public void TestPacketBase_string_more()
{
string str = "testString";
byte[] nullBuffer = PacketBase.GetBytes(str);
using (MemoryStream ms = new MemoryStream(nullBuffer))
{
Assert.AreEqual(str, PacketBase.ReadString(ms));
}
}
public new static UniviewStreamPacket Decode(MemoryStream ms)
{
DateTime time = PacketBase.ReadTime(ms);
DataType type = (DataType)PacketBase.ReadInt(ms);
string dTag = PacketBase.ReadString(ms);
int length = PacketBase.ReadInt(ms);
byte[] buf = PacketBase.ReadByteArray(ms, length);
return(new UniviewStreamPacket(time, type, buf, dTag));
}
public static UniviewHeaderPacket Decode(MemoryStream ms)
{
int videoType = PacketBase.ReadInt(ms);
if (videoType != (int)VideoType.Uniview)
{
return(null);
}
int streamId = PacketBase.ReadInt(ms);
string streamName = PacketBase.ReadString(ms);
string streamUrl = PacketBase.ReadString(ms);
return(new UniviewHeaderPacket(streamId, streamName, streamUrl));
}
public void TestPacketBase_string_null()
{
string str = null;
byte[] nullBuffer = PacketBase.GetBytes(str);
using (MemoryStream ms = new MemoryStream(nullBuffer))
{
Assert.IsNull(PacketBase.ReadString(ms));
}
str = string.Empty;
byte[] buffer = PacketBase.GetBytes(str);
using (MemoryStream ms = new MemoryStream(buffer))
{
Assert.AreEqual(string.Empty, PacketBase.ReadString(ms));
}
}
private void onReceived(object sender, ReceiveEventArgs args)
{
if (args.ByteLength > 0)
{
using (MemoryStream ms = new MemoryStream(args.ReceivedBytes))
{
int code = PacketBase.ReadInt(ms);
//Console.WriteLine("{0} - {1}", (ParamCode)code, args.ByteLength);
switch ((ParamCode)code)
{
case ParamCode.TimePeriods:
//接收所有有效视频分布
onTimePeriodsAll(VideoTimePeriodsPacket.Decode(ms).TimePeriods);
break;
case ParamCode.VideoBaseInfo:
//设置视频基本信息
onVideoBase(VideoBasePacket.Decode(ms));
break;
case ParamCode.DownloadProgress:
//接收推送的下载进度。
onTimePeriodsDownloaded(VideoTimePeriodsPacket.Decode(ms).TimePeriods);
break;
case ParamCode.VideoPacket:
//接收视频包数据流
onVideoStreams(VideoStreamsPacket.Decode(ms));
break;
case ParamCode.LocalDownloadPath:
onDownloadPathReceived(PacketBase.ReadString(ms));
break;
case ParamCode.Message:
onVideoMessageFeedback(MessagePacket.Decode(ms));
break;
}
}
}
}
private void onReceiveCompleted(object sender, ReceiveEventArgs args)
{
try
{
if (args.ByteLength > 0)
{
using (MemoryStream ms = new MemoryStream(args.ReceivedBytes))
{
ParamCode code = (ParamCode)PacketBase.ReadInt(ms);
byte[] buffer = null;
switch (code)
{
case ParamCode.VideoInfosTimePeriods:
updateVideoInfosTimePeriods(VideoDataInfoParam.Decode(ms));
break;
case ParamCode.DownloadBegin:
beginDownload(DownloadInfoParam.Decode(ms));
break;
case ParamCode.DownloadToLocal:
downloadToLocal(PacketBase.ReadString(ms));
break;
case ParamCode.VideoPacket:
getVideoStreamsPacket(VideoDataParam.Decode(ms));
break;
case ParamCode.ProbeTime:
setProbeTime(PacketBase.ReadTime(ms));
break;
case ParamCode.DownloadInfosAll:
feedbackDownloadInfosToClient();
break;
case ParamCode.DownloadControl:
var controlCode = (DownloadControlCode)PacketBase.ReadInt(ms);
onDownloadControl(controlCode, ms);
break;
case ParamCode.LocalDownloadPath:
onLocalDownloadPath(PacketBase.ReadString(ms));
break;
case ParamCode.LocalDownloadBegin:
onLocalDownloadStart(LocalDownloadInfoPacket.Decode(ms));
break;
}
if (buffer != null)
{
send((ParamCode)code, buffer);
}
}
}
}
catch (IOException ex)
{
sendMessage(MessageType.Warn, ex.Message, null);
}
catch (Exception ex)
{
sendMessage(MessageType.Error, ex.Message, null);
Console.WriteLine(ex.ToString());
}
}