/// <summary>
/// Event listener on sound change, sets complete boolean value
/// to true to trigger save event
/// </summary>
/// <param name="url"></param>
private void SongChange(string url)
{
var radio = new Radio(url);
radio.OnCurrentSongChanged += (sender, eventArgs) =>
{
CurrentSongName = FromatSongName(eventArgs.NewSong.Artist, eventArgs.NewSong.Title);
Complete = true;
Console.WriteLine(eventArgs.NewSong.Artist + " - " + eventArgs.NewSong.Title);
if (CurrentStreamModel.SongChangeThreadToken.IsCancellationRequested)
{
radio.Stop();
}
};
radio.Start();
GC.KeepAlive(radio);
}
void GetHttpStream()
{
do
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Headers.Add("icy-metadata", "1");
request.ReadWriteTimeout = 10 * 1000;
request.Timeout = 10 * 1000;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
//get the position of metadata
int metaInt = 0;
if (!string.IsNullOrEmpty(response.GetResponseHeader("icy-metaint")))
{
metaInt = Convert.ToInt32(response.GetResponseHeader("icy-metaint"));
}
using (Stream socketStream = response.GetResponseStream())
{
byte[] buffer = new byte[16384];
int metadataLength = 0;
int streamPosition = 0;
int bufferPosition = 0;
int readBytes = 0;
StringBuilder metadataSb = new StringBuilder();
while (Running)
{
if (bufferPosition >= readBytes)
{
readBytes = socketStream.Read(buffer, 0, buffer.Length);
bufferPosition = 0;
}
if (readBytes <= 0)
{
Radio.Log("Stream over", this);
break;
}
if (metadataLength == 0)
{
if (metaInt == 0 || streamPosition + readBytes - bufferPosition <= metaInt)
{
streamPosition += readBytes - bufferPosition;
ProcessStreamData(buffer, ref bufferPosition, readBytes - bufferPosition);
continue;
}
ProcessStreamData(buffer, ref bufferPosition, metaInt - streamPosition);
metadataLength = Convert.ToInt32(buffer[bufferPosition++]) * 16;
//check if there's any metadata, otherwise skip to next block
if (metadataLength == 0)
{
streamPosition = Math.Min(readBytes - bufferPosition, metaInt);
ProcessStreamData(buffer, ref bufferPosition, streamPosition);
continue;
}
}
//get the metadata and reset the position
while (bufferPosition < readBytes)
{
metadataSb.Append(Convert.ToChar(buffer[bufferPosition++]));
metadataLength--;
if (metadataLength == 0)
{
Metadata = metadataSb.ToString();
metadataSb.Clear();
streamPosition = Math.Min(readBytes - bufferPosition, metaInt);
ProcessStreamData(buffer, ref bufferPosition, streamPosition);
break;
}
}
}
}
}
}
catch (IOException ex)
{
Radio.Log(string.Format("Handled IOException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace), this);
OnStreamOver?.Invoke(this, new StreamOverEventArgs());
}
catch (SocketException ex)
{
Radio.Log(string.Format("Handled SocketException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace), this);
OnStreamOver?.Invoke(this, new StreamOverEventArgs());
}
catch (WebException ex)
{
Radio.Log(string.Format("Handled WebException, reconnecting. Details:\n{0}\n{1}", ex.Message, ex.StackTrace), this);
OnStreamOver?.Invoke(this, new StreamOverEventArgs());
}
} while (Running);
}
