private void TransmitGetRequestStream(IAsyncResult ar)
{
Stream stream;
try {
stream = current_web_req.EndGetRequestStream(ar);
} catch (Exception e) {
Log.Exception("Failed to get the request stream", e);
state = State.Idle;
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
return;
}
TransmitState ts = (TransmitState)ar.AsyncState;
StringBuilder sb = ts.StringBuilder;
StreamWriter writer = new StreamWriter(stream);
writer.Write(sb.ToString());
writer.Close();
state = State.WaitingForResponse;
current_async_result = current_web_req.BeginGetResponse(TransmitGetResponse, ts);
if (current_async_result == null)
{
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
hard_failures++;
state = State.Idle;
}
}
private static int SetFilter(double low, double high, int taps, TransmitState trx_on)
{
SetFilter_DLL(low, high, taps, trx_on);
SetRXListen(1);
int i = SetFilter_DLL(low, high, taps, trx_on);
SetRXListen(0);
return(i);
}
private void TransmitQueue()
{
int num_tracks_transmitted;
// save here in case we're interrupted before we complete
// the request. we save it again when we get an OK back
// from the server
queue.Save();
next_interval = DateTime.MinValue;
if (post_url == null || !connected)
{
return;
}
string song_transmit_info = queue.GetTransmitInfo(out num_tracks_transmitted);
Log.DebugFormat("Last.fm scrobbler sending '{0}' to {1}", song_transmit_info, post_url);
StringBuilder sb = new StringBuilder();
sb.AppendFormat("s={0}", session_id);
sb.Append(song_transmit_info);
current_web_req = (HttpWebRequest)WebRequest.Create(post_url);
current_web_req.UserAgent = LastfmCore.UserAgent;
current_web_req.Method = "POST";
current_web_req.ContentType = "application/x-www-form-urlencoded";
current_web_req.ContentLength = sb.Length;
TransmitState ts = new TransmitState();
ts.Count = num_tracks_transmitted;
ts.StringBuilder = sb;
state = State.WaitingForRequestStream;
current_async_result = current_web_req.BeginGetRequestStream(TransmitGetRequestStream, ts);
if (!(current_async_result.AsyncWaitHandle.WaitOne(TIME_OUT, false)))
{
Log.Warning("Audioscrobbler upload failed", "The request timed out and was aborted", false);
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
hard_failures++;
state = State.Idle;
current_web_req.Abort();
}
}
private void SetRecControl(TransmitState State, TFileInfo fileinfo)
{
if (State == TransmitState.Transmitting)
{
this.progressBar1.Value = Convert.ToInt32(((decimal)fileinfo.CurrLength / fileinfo.Length) * 100);
this.labelFileLengthString.Text = IMLibrary3.Operation.Calculate.GetSizeStr(fileinfo.CurrLength) + "/" + fileinfo.LengthStr;
}
else if (State == TransmitState.Connected)
{
linkLabelOffline.Visible = false;
if (isSend)
{
this.labelRequest.Text = "正在发送文件...";
}
else
{
this.labelRequest.Text = "正在接收文件...";
}
if (fileinfo.connectedType == ConnectedType.UDPLocal)
{
labelConType.Text = "[UDP直连]";
}
else if (fileinfo.connectedType == ConnectedType.UDPRemote)
{
labelConType.Text = "[UDP直连]";
}
else
{
labelConType.Text = "[服务器中转连接]";
}
}
else if (State == TransmitState.Over)
{
if (fileTransmitted != null)
{
fileTransmitted(this); //触发文件
}
}
}
private void TransmitQueue()
{
int num_tracks_transmitted;
// save here in case we're interrupted before we complete
// the request. we save it again when we get an OK back
// from the server
queue.Save();
next_interval = DateTime.MinValue;
if (post_url == null || !connected)
{
return;
}
StringBuilder sb = new StringBuilder();
sb.AppendFormat("s={0}", session_id);
sb.Append(queue.GetTransmitInfo(out num_tracks_transmitted));
current_web_req = (HttpWebRequest)WebRequest.Create(post_url);
current_web_req.UserAgent = LastfmCore.UserAgent;
current_web_req.Method = "POST";
current_web_req.ContentType = "application/x-www-form-urlencoded";
current_web_req.ContentLength = sb.Length;
//Console.WriteLine ("Sending {0} ({1} bytes) to {2}", sb.ToString (), sb.Length, post_url);
TransmitState ts = new TransmitState();
ts.Count = num_tracks_transmitted;
ts.StringBuilder = sb;
state = State.WaitingForRequestStream;
current_async_result = current_web_req.BeginGetRequestStream(TransmitGetRequestStream, ts);
if (!(current_async_result.AsyncWaitHandle.WaitOne(TIME_OUT, false)))
{
if (log.IsWarnEnabled)
{
log.Warn("Audioscrobbler upload failed." + " The request timed out and was aborted");
}
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
hard_failures++;
state = State.Idle;
current_web_req.Abort();
}
}
private void TransmitGetResponse(IAsyncResult ar)
{
WebResponse resp;
try {
resp = current_web_req.EndGetResponse(ar);
}
catch (Exception e) {
Log.Warning(String.Format("Failed to get the response: {0}", e), false);
state = State.Idle;
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
return;
}
TransmitState ts = (TransmitState)ar.AsyncState;
Stream s = resp.GetResponseStream();
StreamReader sr = new StreamReader(s, Encoding.UTF8);
string line;
line = sr.ReadLine();
DateTime now = DateTime.Now;
if (line.StartsWith("FAILED"))
{
if (now - last_upload_failed_logged > TimeSpan.FromMinutes(FAILURE_LOG_MINUTES))
{
Log.Warning("Audioscrobbler upload failed", line.Substring("FAILED".Length).Trim(), false);
last_upload_failed_logged = now;
}
// retransmit the queue on the next interval
hard_failures++;
state = State.NeedTransmit;
}
else if (line.StartsWith("BADSESSION"))
{
if (now - last_upload_failed_logged > TimeSpan.FromMinutes(FAILURE_LOG_MINUTES))
{
Log.Warning("Audioscrobbler upload failed", "session ID sent was invalid", false);
last_upload_failed_logged = now;
}
// attempt to re-handshake (and retransmit) on the next interval
session_id = null;
next_interval = DateTime.Now + new TimeSpan(0, 0, RETRY_SECONDS);
state = State.NeedHandshake;
return;
}
else if (line.StartsWith("OK"))
{
/* if we've previously logged failures, be nice and log the successful upload. */
if (last_upload_failed_logged != DateTime.MinValue)
{
Log.Debug("Audioscrobbler upload succeeded");
last_upload_failed_logged = DateTime.MinValue;
}
hard_failures = 0;
// we succeeded, pop the elements off our queue
queue.RemoveRange(0, ts.Count);
queue.Save();
state = State.Idle;
}
else
{
if (now - last_upload_failed_logged > TimeSpan.FromMinutes(FAILURE_LOG_MINUTES))
{
Log.Warning("Audioscrobbler upload failed", String.Format("Unrecognized response: {0}", line), false);
last_upload_failed_logged = now;
}
state = State.Idle;
}
sr.Close();
}
private void SetRecControl(TransmitState State, TFileInfo fileinfo)
{
if (State == TransmitState.Transmitting)
{
this.progressBar1.Value = Convert.ToInt32(((decimal)fileinfo.CurrLength / fileinfo.Length) * 100);
this.labelFileLengthString.Text = IMLibrary3.Operation.Calculate.GetSizeStr(fileinfo.CurrLength) + "/" + fileinfo.LengthStr;
}
else if (State == TransmitState.Connected)
{
linkLabelOffline.Visible = false;
if (isSend)
this.labelRequest.Text = "正在发送文件...";
else
this.labelRequest.Text = "正在接收文件...";
if (fileinfo.connectedType == ConnectedType.UDPLocal)
labelConType.Text = "[UDP直连]";
else if (fileinfo.connectedType == ConnectedType.UDPRemote)
labelConType.Text = "[UDP直连]";
else
labelConType.Text = "[服务器中转连接]";
}
else if (State == TransmitState.Over)
{
if (fileTransmitted != null) fileTransmitted(this);//触发文件
}
}
unsafe public static extern void SetTRX(TransmitState trx_on);
private static extern int SetFilter_DLL(double low, double high, int taps, TransmitState trx_on);