public object Cmd(ProtoCommand cmd, string uri, long start, long len, string file = "")
{
if (file == "")
{
file = uri;
}
var state = new AgentState(Config, Fs)
{
FileName = file,
Gram = new ProtoGram(cmd, start, len, uri)
};
try
{
var ipHostInfo = Dns.GetHostEntry(Config.Host);
var ipAddress = ipHostInfo.AddressList
.First(ip => ip.AddressFamily == AddressFamily.InterNetwork);
var remoteEp = new IPEndPoint(ipAddress, Config.Port);
var client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
state.WorkSocket = client;
client.BeginConnect(remoteEp, ConnectCallback, state);
ConnectDone.WaitOne();
Send(state);
SendDone.WaitOne();
Receive(state);
AllDone.WaitOne();
if (state.Gram.Status == ProtoStatus.Success)
{
return(Complete(state));
}
else
{
throw new ApplicationException(state.Url);
}
}
catch (Exception e)
{
Abort(state, e);
return(null);
}
}
private void Send(AgentState state)
{
state.Send();
state.WorkSocket.BeginSend(state.Buffer, 0, state.BufferLen, 0,
SendCallback, state);
}