private void SocketError(string msg)
{
this.guid_ = "";
if (this.client_ != null)
{
this.client_.Shutdown(SocketShutdown.Both);
this.client_.Close();
this.client_ = null;
}
TcpServer.GetInstance().ShowMessage("出错! " + msg, false);
}
public void SendPacket(byte[] buffer, int len)
{
if (this.client_ == null)
{
TcpServer.GetInstance().ShowMessage("客户端未接入!");
return;
}
if (this.client_.Send(buffer, len, SocketFlags.None) != len)
{
this.SocketError("发送数据失败!");
}
}
private void RecvFileEndAnswer()
{
int len = this.client_.RecvPacket();
this.client_.CopyPacket(this.recvBuffer_, len);
int index = 0;
short cmdLen = Tools.GetShort(recvBuffer_, ref index);
short cmdValue = Tools.GetShort(recvBuffer_, ref index);
short status = Tools.GetShort(recvBuffer_, ref index);
if (status == 0)
{
//表示发送成功
TcpServer.GetInstance().ShowMessage("发送一个文件: " + this.current_.path + " 完成.");
}
else
{
TcpServer.GetInstance().ShowMessage("发送一个文件: " + this.current_.path
+ " 失败: error code " + status);
}
}
private bool RecvFileStartAnswer()
{
int len = this.client_.RecvPacket();
this.client_.CopyPacket(this.recvBuffer_, len);
int index = 0;
short cmdLen = Tools.GetShort(recvBuffer_, ref index);
short cmdValue = Tools.GetShort(recvBuffer_, ref index);
short status = Tools.GetShort(recvBuffer_, ref index);
long existSize = Tools.GetLong(recvBuffer_, ref index);
if (status != 0)
{
//说明失败
TcpServer.GetInstance().ShowMessage("下载文件 "
+ this.current_.path + " 失败: " + Tools.Hex2String(recvBuffer_, len));
return(false);
}
if (existSize == this.current_.size)
{
//说明该文件已存在下位机
}
try
{
this.filestream_.Seek(existSize, SeekOrigin.Begin);
}
catch (System.Exception)
{
return(false);
}
return(true);
}
