private async Task StopRecording(DataModels.Channel channel)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", "NjBjZDBjYzlkNTNlOGViZDc3YWYyZGE2ZDNhN2EyZjQ5YWNmODk1YTo=");
var resp = await client.PostAsync("https://a.streamhoster.com/v1/papi/media/stream/" + channel.ChannelKey.Remove(channel.ChannelKey.Length - 2) + "/record", new StringContent("{\"recordMode\":\"manual_off\"}", Encoding.UTF8, "application/json"));
await resp.Content.ReadAsByteArrayAsync();
}
private async Task ClearChannelStreamInfo(DataModels.Channel channel)
{
channel.StreamTitle = null;
channel.StreamSubject = null;
channel.StreamDescription = null;
channel.StreamThumbnail = null;
channel.StreamColor = null;
channel.ArchivedVideoId = null;
channel.Views = 0;
await Save(channel.Id, channel);
}
private Video GetVideo(DataModels.Channel channel)
{
Video archivedStream = new Video
{
Id = channel.ArchivedVideoId,
Username = channel.Username,
StreamID = "",
StreamTitle = channel.StreamTitle,
StreamSubject = channel.StreamSubject,
StreamDescription = channel.StreamDescription,
StreamThumbnail = channel.StreamThumbnail,
ProfilePicture = channel.ProfilePicture,
StreamColor = channel.StreamColor,
StartTime = DateTime.UtcNow,
Name = channel.Name,
Views = channel.Views
};
return(archivedStream);
}
private async Task ArchiveVideo(StreamHosterRSSFeed response, DataModels.Channel channel)
{
List <Video> videos = new List <Video>();
streamHandler.TryGetValue(channel.Username, out videos);
var ids = GetVideoIdsWithId(channel.ChannelKey, videos.Count, response);
videos.Reverse(); //reverse list content
for (int i = 0; i < videos.Count; i++) //go through the response as well as the dict and associate each stream to its object
{
var video = videos[i];
video.StreamID = ids[i];
await Save(video.Id, video);
}
channel.InitialStreamCount = 0;
await Save(channel.Id, channel);
streamHandler.TryRemove(channel.Username, out _);
}
private async Task RunLive(DataModels.Channel channel)
{
var cancellationToken = new CancellationToken();
await Task.Factory.StartNew(async() =>
{
await StartRecording(channel);
while (true)
{
await Task.Delay(37000, cancellationToken);
try
{
var response = await IsLive(channel.ChannelKey);
if (response)
{
Console.WriteLine("Live");
}
else
{
Console.WriteLine("Not Live");
await StopRecording(channel);
await Task.Delay(20000, cancellationToken);
await PollVideo(channel);
break;
}
}
catch (Exception ex)
{
log.Error(ex, "Error in RunLive Method");
}
}
log.Warning("Thread Finished|" + channel.Username);
Console.WriteLine("Thread Finished|" + channel.Username);
}, TaskCreationOptions.LongRunning);
}
private async Task PollVideo(DataModels.Channel channel) //This thread handles checking if the stream is still live
{
var archivedVideo = GetVideo(channel); //Get video information from channel
await ClearChannelStreamInfo(channel); //clear all channel info
if (streamHandler.ContainsKey(channel.Username)) //check if the concurrent dict has the key with the specified username, if it does this means that a thread has already been spawned looking for this video in the rss feed
{
List <Video> oldvideos = new List <Video>();
List <Video> videos = new List <Video>();
streamHandler.TryGetValue(channel.Username, out videos); //add the video info to the list of videos in the concurrent dictionary
streamHandler.TryGetValue(channel.Username, out oldvideos);
videos.Add(archivedVideo);
streamHandler.TryUpdate(channel.Username, videos, oldvideos);
}
else
{
streamHandler.TryAdd(channel.Username, new List <Video> {
archivedVideo
}); //create a new list and add the archived video info into the list
StreamHosterRSSFeed initialResponse = await CallXML <StreamHosterRSSFeed>("https://c.streamhoster.com/feed/WxsdDM/mAe0epZsixC/iAahx7oSswv?format=mrss"); //feed contains all the archived videos and we use it to get the stream id for each video
if (initialResponse != null && initialResponse.Channel.Item != null)
{
channel.InitialStreamCount = GetNumberOfVideosWithId(channel.ChannelKey, initialResponse); //check for initial count of the rss feed
await Save(channel.Id, channel);
}
while (true) //looking for the initial count of the feed + how many items are in the video list. The video list is retreived by the username of the current user
{
try
{
await Task.Delay(30000);
StreamHosterRSSFeed response = await CallXML <StreamHosterRSSFeed>("https://c.streamhoster.com/feed/WxsdDM/mAe0epZsixC/iAahx7oSswv?format=mrss");
if (response != null)
{
List <Video> videos = new List <Video>();
streamHandler.TryGetValue(channel.Username, out videos);
Debug d = new Debug();
d.Id = Guid.NewGuid().ToString();
d.Timestamp = DateTime.UtcNow;
d.Message = channel.Username + " | " + (GetNumberOfVideosWithId(channel.ChannelKey, response));
await Save(d.Id, d);
log.Warning(channel.Username + " is still in the while loop");
log.Warning(channel.Username + " " + GetNumberOfVideosWithId(channel.ChannelKey, response) + " Initial Count: " + channel.InitialStreamCount + " Video Count:" + videos.Count);
if (response.Channel.Item != null && (GetNumberOfVideosWithId(channel.ChannelKey, response) >= channel.InitialStreamCount + videos.Count)) // we keep polling until the feed is updated to the number of videos (the initial count & concurrent dict count)
{
Debug d1 = new Debug();
d1.Id = Guid.NewGuid().ToString();
d.Timestamp = DateTime.UtcNow;
d1.Message = channel.Username + " | Videos Found | " + channel.InitialStreamCount + videos.Count;
await Save(d1.Id, d1);
Console.WriteLine("Videos Found");
await ArchiveVideo(response, channel);
break;
}
}
else
{
log.Warning("response is null in poll for " + channel.Username);
Console.WriteLine("response is null in poll for " + channel.Username);
}
}
catch (Exception e)
{
log.Error(e, "Error in Poll");
break;
}
}
}
}
