/// <summary>
/// 异步接收数据线程
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void ProcessReceiveThreadCallback(object sender, UploadDataCompletedEventArgs e)
{
try {
// 消息异常处理
if (e.Error != null)
{
string errorState = e.Error.GetType().Name;
if (errorState == "WebException")
{
WebException webExp = (WebException)e.Error;
HttpWebResponse response = (HttpWebResponse)webExp.Response;
mStatueCodeQueue.Enqueue(response.StatusCode);
}
return;
}
// httpClient
// WebClient mClient = (WebClient)sender;
// 返回结果
if (e.Result != null && e.Result.Length > 0)
{
byte[] buffer = e.Result;
PBPacket packet = new PBPacket();
packet.Decoder(buffer);
EnqueuePacket(packet);
}
} catch (Exception ex) {
new Exception("not achieve " + ex.ToString());
} finally {
mCanSend = true;
}
}
/// <summary>
/// 处理缓冲区中的数据包
/// </summary>
/// <param name="recvLen"></param>
void TryParsePacket(int recvLen)
{
// 更新标识
mReceivePos += recvLen;
// 包头长度
int headerSize = PBConst.PB_HEAD_SIZE;
while (mReceivePos >= headerSize)
{
try {
// 获取到消息包体长度
int bodySize = BitConverter.ToInt32(mRecvBuff, 0);
int packetSize = headerSize + bodySize;
// 检查是否满足一个包长度
if (mReceivePos >= packetSize)
{
PBPacket packet = new PBPacket();
packet.Decoder(mRecvBuff);
if (packet == null)
{
continue;
}
EnqueuePacket(packet);
// 接收缓冲区偏移处理
for (int i = 0; i < (mReceivePos - packetSize); i++)
{
mRecvBuff[i] = mRecvBuff[packetSize + i];
}
mReceivePos -= packetSize;
}
else
{
break;
}
} catch (Exception ex) {
new Exception("not achieve " + ex.ToString());
break;
}
}
}
