/// <summary>
/// 解绑操作
/// </summary>
private void UnBind()
{
lock (channelLockFlag)
{
if (channelStateReady == false)
{
return;
}
channelStateReady = false;
CMPP_TERMINATE unBind = new CMPP_TERMINATE();
//将命令写入连接
try
{
byte[] b_cmd = unBind.WriteBytes();
client_sk.GetStream().Write(b_cmd, 0, b_cmd.Length);
//命令写入完毕，开始读取应答
b_cmd = readBuffer(client_sk.GetStream());//从网络流中读取一个缓冲对象，对象大小由长度字段指定。
CMPP_TERMINATE_RESP unBindResp = new CMPP_TERMINATE_RESP(unBind.MyHead.Sequence_Id);
unBindResp.ReadBytes(b_cmd);
if (unBindResp.MyHead.Command_Id != Command_Id.CMPP_TERMINATERESP)
{
WriteLog("登出未成功取出响应包，当前包" + unBindResp.MyHead.Command_Id);
}
//解绑完毕
client_sk.Close();
client_sk = null;
}
catch (Exception)
{
client_sk = null;
return;
}
}
}
/// <summary>
/// 读取失败或无可读数据返回 null
/// </summary>
/// <returns></returns>
private CMPPMsgBody_Base read()
{
byte[] buffer;
try
{
//判断是否有可用的数据
if (channelStateReady && client_sk != null && client_sk.Available > 0)
{
buffer = readBuffer(client_sk.GetStream());
}
else
{
return(null);//没有可供读取的数据
}
//将读取到的数据构建成对象
CMPPMsgHeader head;
//读出头部，判断命令类型
head = CMPPMsgHeader.Read(buffer);
//根据指令类型，构建应答对象，对于不处理的指令进行丢弃
CMPPMsgBody_Base data = null;
switch (head.Command_Id)
{
case Command_Id.CMPP_SUBMIT_RESP:
data = new CMPP_SUBMIT_RESP(head.Sequence_Id);
break;
case Command_Id.CMPP_DELIVER:
data = new CMPP_DELIVER(head.Sequence_Id);
break;
case Command_Id.CMPP_ACTIVE_TEST:
data = new CMPP_ACTIVE_TEST(head.Sequence_Id);
break;
case Command_Id.CMPP_ACTIVE_TEST_RESP:
data = new CMPP_ACTIVE_TEST_RESP(head.Sequence_Id);
break;
case Command_Id.CMPP_TERMINATE:
data = new CMPP_TERMINATE(head.Sequence_Id);
break;
case Command_Id.CMPP_TERMINATERESP:
data = new CMPP_TERMINATE_RESP(head.Sequence_Id);
break;
default:
break;
}
if (data != null)
{
data.ReadBytes(buffer);
}
return(data);
}
catch (Exception)//流读取异常
{
CloseSoket();
return(null);
}
}