private void ReadDataFromSocket(ChannelLocation channelLocation, IptvInfo info, int retries = 3)
{
try
{
using (var s = _socketFactory())
{
var start = DateTime.Now;
var previous = new byte[0];
s.Open(channelLocation.Host, channelLocation.Port);
var count = 0;
while (NotAllDataFound(info) && count < MaxCycles)
{
var data = s.Receive();
UpdateInfo(info, previous, data);
previous = data;
count++;
}
var end = DateTime.Now;
_log.Debug($"Found IPTV Info after {(int) (end - start).TotalMilliseconds}ms");
}
}
catch (SocketException)
{
if (retries == 0)
{
throw;
}
_log.Info($"Failed to read data from {channelLocation.Url}, retry ({retries}x allowed)");
ReadDataFromSocket(channelLocation, info, retries - 1);
}
}
private bool NotAllDataFound(IptvInfo info)
{
if (OnlySearchForKeys && info.Number.HasValue)
{
return(false);
}
return(!info.Complete());
}
private void UpdateInfo(IptvInfo info, byte[] previous, byte[] current)
{
var data = new byte[previous.Length + current.Length];
previous.CopyTo(data, 0);
current.CopyTo(data, previous.Length);
if (FindChannelInfo(data, out string provider, out string name))
{
info.Provider = provider;
info.Name = name;
}
if (!info.Number.HasValue && FindChannelNumber(data, out int channel))
{
info.Number = channel;
}
}
private IptvInfo ReadData(ChannelLocation channelLocation, string channel)
{
var info = new IptvInfo {
Url = channelLocation.Url
};
try
{
_log.Debug($"Try to read data from {channelLocation.Url} for {channel}");
ReadDataFromSocket(channelLocation, info);
_log.Info($"Found IPTV Info for {channel} at {channelLocation.Url}: {info.Provider} - {info.Name} (key: {info.Number})");
return(info);
}
catch (Exception ex)
{
_log.Warn($"Failed to read data from {channelLocation.Url} for {channel}");
_log.Debug($"Failed to read data from {channelLocation.Url}: {ex.Message}", ex);
return(null);
}
}