/// <summary>
/// 接收图片消息
/// </summary>
private void RectivePicMessage()
{
try
{
byte[] reBuff = new byte[51000];
EndPoint endPoint = new IPEndPoint(IPAddress.Any, 44564);
while (true)
{
this.picSocket.ReceiveFrom(reBuff, ref endPoint);
IPEndPoint end = endPoint as IPEndPoint;
string senderIP = end.Address.ToString();
if (senderIP == KeyData.StaticInfo.MyUser.IP)
{
continue;
}
bool isPublic = (end.Port == sendProt_Pub);
HeadBuff head = GetHead(reBuff);
if (!Buffers.ContainsKey(head.packKey) && head.packid == 0)
{
ImagePack pack = new ImagePack(head.packKey, head.len, senderIP, isPublic);
pack.DownOver += Pack_DownOver;
pack.TimeOut += Pack_TimeOut;
Buffers.Add(head.packKey, pack);
}
else
{
byte[] soures = new byte[head.len];
Array.Copy(reBuff, 24, soures, 0, head.len);
Buffers[head.packKey].AddPack(head.packid, soures);
}
}
}
catch (Exception)
{ }
}
/// <summary>
/// 返回包头信息
/// </summary>
/// <param name="buff"></param>
/// <returns></returns>
private HeadBuff GetHead(byte[] buff)
{
byte[] key = new byte[16];
byte[] id = new byte[4];
byte[] len = new byte[4];
Array.Copy(buff, 0, key, 0, 16);
Array.Copy(buff, 16, id, 0, 4);
Array.Copy(buff, 20, len, 0, 4);
HeadBuff head = new HeadBuff()
{
packKey = Encoding.UTF8.GetString(key),
packid = BitConverter.ToInt32(id, 0),
len = BitConverter.ToInt32(len, 0)
};
return(head);
}
