protected void SocketCloseAndDispose()
{
if (_cachedSocket != null)
{
_cachedSocket.Dispose();
_cachedSocket = null;
}
}
public IDictionary<string, string> DoRequest(string command, IDictionary<string, string> args)
{
if (command == null) throw new ArgumentNullException("command");
if (args == null) throw new ArgumentNullException("args");
var argString = EncodeUrlParameters(args);
var request = command + " " + argString + "\r\n";
// Try first with the cached socket. If no good, we try again, if we get exception then, we throw..
for (int i = 0; i < 2; i++) {
if (_cachedSocket != null) {
try {
_cachedSocket.Writer.Write(request);
_cachedSocket.Writer.Flush();
break;
}
catch (Exception ex) {
System.Diagnostics.Debug.WriteLine(ex.ToString());
SocketCloseAndDispose();
if (i == 1)
throw new TrackerCommunicationException("problem finding a working tracker");
}
}
if (_cachedSocket == null) {
_cachedSocket = GetSocketReaderAndWriter();
}
}
try {
// ok - we finally got a message off to a tracker
// now get a response
var response = _cachedSocket.Reader.ReadLine();
if (response == null)
throw new TrackerCommunicationException(
"Received null response from tracker at " + _cachedSocket.EndPoint);
var ok = OK_PATTERN.Match(response);
if (ok.Success) {
return DecodeUrlString(ok.Groups[ARGS_PART].Value);
}
var err = ERROR_PATTERN.Match(response);
if (err.Success)
{
// error response
LastErr = err.Groups[ERR_PART].Value;
LastErrStr = err.Groups[ERRSTR_PART].Value;
return null;
}
throw new TrackerCommunicationException(
"invalid server response from "
+ _cachedSocket.EndPoint + ": "
+ response);
} catch (Exception ex) {
throw new TrackerCommunicationException(
"problem talking to server at "
+ _cachedSocket.EndPoint, ex);
}
}
protected void SocketCloseAndDispose()
{
if (_cachedSocket != null) {
_cachedSocket.Dispose();
_cachedSocket = null;
}
}
public IDictionary <string, string> DoRequest(string command, IDictionary <string, string> args)
{
if (command == null)
{
throw new ArgumentNullException("command");
}
if (args == null)
{
throw new ArgumentNullException("args");
}
var argString = EncodeUrlParameters(args);
var request = command + " " + argString + "\r\n";
// Try first with the cached socket. If no good, we try again, if we get exception then, we throw..
for (int i = 0; i < 2; i++)
{
if (_cachedSocket != null)
{
try {
_cachedSocket.Writer.Write(request);
_cachedSocket.Writer.Flush();
break;
}
catch (Exception ex) {
System.Diagnostics.Debug.WriteLine(ex.ToString());
SocketCloseAndDispose();
if (i == 1)
{
throw new TrackerCommunicationException("problem finding a working tracker");
}
}
}
if (_cachedSocket == null)
{
_cachedSocket = GetSocketReaderAndWriter();
}
}
try {
// ok - we finally got a message off to a tracker
// now get a response
var response = _cachedSocket.Reader.ReadLine();
if (response == null)
{
throw new TrackerCommunicationException(
"Received null response from tracker at " + _cachedSocket.EndPoint);
}
var ok = OK_PATTERN.Match(response);
if (ok.Success)
{
return(DecodeUrlString(ok.Groups[ARGS_PART].Value));
}
var err = ERROR_PATTERN.Match(response);
if (err.Success)
{
// error response
LastErr = err.Groups[ERR_PART].Value;
LastErrStr = err.Groups[ERRSTR_PART].Value;
return(null);
}
throw new TrackerCommunicationException(
"invalid server response from "
+ _cachedSocket.EndPoint + ": "
+ response);
} catch (Exception ex) {
throw new TrackerCommunicationException(
"problem talking to server at "
+ _cachedSocket.EndPoint, ex);
}
}