public SendEC(ECParam _ECParam)
{
__ECParam = _ECParam;
}
/// <summary>
/// 发送
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="password">密码</param>
/// <param name="instruction">指令</param>
/// <param name="ip">ip</param>
/// <param name="port">port</param>
/// <param name="timeout">超时（毫秒）</param>
/// <param name="ErrMsg">返回错误信息ErrMsg</param>
/// <returns></returns>
private string SendData(string instruction, ECParam param, out string ErrMsg)
{
//初始化
ErrMsg = "";
//接收带格式的所有数据
string content = "";
//去掉格式后的信息数据
string returnRevice = "";
//发送指令
string send = instruction;
if (string.IsNullOrEmpty(param.ECIP))
{
ErrMsg = "ip地址为空";
return("");
}
if (!IsCorrenctIP(param.ECIP))
{
ErrMsg = "ip地址格式错误";
return("");
}
if (string.IsNullOrEmpty(param.ECPort))
{
ErrMsg = "端口号为空";
return("");
}
if (!Isdigst(param.ECPort.ToString()))
{
ErrMsg = "端口号格式错误";
return("");
}
try
{
try
{
//this.IPEndPoint = new IPEndPoint(IPAddress.Parse("192.168.1.225"), 456);
this.IPEndPoint = new IPEndPoint(IPAddress.Parse(param.ECIP), int.Parse(param.ECPort));
this.Skt = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
catch (Exception ep)
{
ErrMsg = "【连接失败】" + ep.Message;
return(returnRevice);
}
//超时设置
this.Skt.ReceiveTimeout = param.TimeOut;
this.Skt.SendTimeout = param.TimeOut;
try
{
//连接服务器
this.Skt.Connect(this.IPEndPoint);
}
catch (SocketException ep)
{
ErrMsg = ep.Message;
returnRevice = "【连接超时】";
}
if (this.Skt.Connected)
{
try
{
#region //发送
byte[] sendbyte = Encoding.Default.GetBytes(send);
this.Skt.Send(sendbyte, 0, sendbyte.Length, SocketFlags.None);
#endregion
try
{
#region //接收数据
int AvailLen = this.Skt.Receive(this.byteBuffer, 0, Len, SocketFlags.None);
content = string.Concat(content, Encoding.Default.GetString(this.byteBuffer, 0, AvailLen));
//一次为读完下一次循环
while (true)
{
if (this.Skt.Available != 0)
{
AvailLen = this.Skt.Receive(this.byteBuffer, 0, Len, SocketFlags.None);
content = string.Concat(content, Encoding.Default.GetString(this.byteBuffer, 0, AvailLen));
}
else
{
break;
}
}
#endregion
}
catch (SocketException ers)
{
ErrMsg = ers.Message;
returnRevice = "【发送超时】";
CloseServer();
return(returnRevice);
}
if (content == "")
{
return(content);
}
#region //接收完数据后处理数据
string[] str = null;
try
{
//第一次拆分
str = content.Split(new string[] { "^" }, StringSplitOptions.None);
}
catch (OutOfMemoryException ep)
{
ErrMsg = ep.Message;
returnRevice = ep.Message;
CloseServer();
return(returnRevice);
}
if (str.Length > 0)
{
string tmpInfo = "";
string tmpmd5 = str[0];
string[] desTo = new string[str.Length - 1];
Array.Copy(str, 1, desTo, 0, str.Length - 1);
tmpInfo = string.Join("^", desTo);
string reback = md5(tmpInfo);
//匹配执行相应的命令
if (tmpmd5 == reback)
{
//第二次拆分
str = tmpInfo.Split(new string[] { "@#%_#" }, StringSplitOptions.None);
//取消息
returnRevice = str[str.Length - 1];
//关闭连接
CloseServer();
}
}
#endregion
}
catch (IOException errs)
{
ErrMsg = errs.Message;
returnRevice = errs.Message;
CloseServer();
return(returnRevice);
}
catch (ArgumentOutOfRangeException ers)
{
ErrMsg = ers.Message;
returnRevice = ers.Message;
CloseServer();
return(returnRevice);
}
catch (Exception esc)
{
ErrMsg = esc.Message;
returnRevice = esc.Message;
CloseServer();
return(returnRevice);
}
}
}
catch (Exception ep)
{
ErrMsg = "【连接失败】" + ep.Message;
returnRevice = ep.Message;
return(returnRevice);
}
return(returnRevice);
}