private void ProcessM3u8(HttpListenerContext context, JT1078AVInfo jT1078AVInfo)
{
if (authorization.Authorization(context, out IPrincipal principal))
{
hLSRequestManager.HandleHlsRequest(context, principal, jT1078AVInfo);
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="jT1078AVInfo"></param>
/// <returns></returns>
public static bool TryGetAVInfo(this HttpListenerContext context, out JT1078AVInfo jT1078AVInfo)
{
if (context.Request.QueryString.Count < 2)
{
jT1078AVInfo = default;
return(false);
}
string sim = context.Request.QueryString.Get("sim");
string channel = context.Request.QueryString.Get("channel");
if (string.IsNullOrEmpty(sim) || string.IsNullOrEmpty(channel))
{
jT1078AVInfo = default;
return(false);
}
int.TryParse(channel, out int channelNo);
jT1078AVInfo = new JT1078AVInfo(sim, channelNo);
return(true);
}
private void ProcessTs(HttpListenerContext context, JT1078AVInfo jT1078AVInfo)
{
//ts 无需验证
hLSRequestManager.HandleHlsRequest(context, default, jT1078AVInfo);
/// <summary>
/// 处理hls实时视频请求
/// </summary>
/// <param name="context"></param>
/// <param name="principal"></param>
/// <param name="jT1078AVInfo"></param>
public async void HandleHlsRequest(HttpListenerContext context, IPrincipal principal, JT1078AVInfo jT1078AVInfo)
{
string filename = Path.GetFileName(context.Request.Url.AbsolutePath.ToString());
string filepath = Path.Combine(Configuration.HlsRootDirectory, jT1078AVInfo.ToString(), filename);
if (hLSPathStorage.ExsitPath(filepath))
{
try
{
using (FileStream sr = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
if (filename.Contains("m3u8"))
{
await context.HttpM3U8Async(sr);
}
else if (filename.Contains("ts"))
{
await context.HttpTsAsync(sr);
}
else
{
context.Http404();
}
}
}
catch (Exception ex)
{
Logger.LogError(ex, ex.Message);
context.Http404();
}
}
else
{
if (!File.Exists(filepath))
{
if (filename.ToLower().Contains("m3u8"))
{
var directory = Path.Combine(Configuration.HlsRootDirectory, jT1078AVInfo.ToString());
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
if (!hLSPathStorage.ExistFileSystemWatcher(directory))
{
var fileSystemWatcher = new FileSystemWatcher();
fileSystemWatcher.Path = directory;
fileSystemWatcher.NotifyFilter = NotifyFilters.LastWrite; //NotifyFilters.CreateTime
fileSystemWatcher.Filter = "*.m3u8"; // Only watch text files.
fileSystemWatcher.Changed += async(sender, arg) =>
{
if (context.Response.ContentLength64 != 0)
{
return;
}
//wwwroot\1234_2\live.m3u8
//var key = arg.FullPath.Replace(arg.Name, "").Substring(arg.FullPath.Replace(arg.Name, "").IndexOf("\\")).Replace("\\", "");
var key = arg.FullPath.Substring(arg.FullPath.IndexOf("\\") + 1, (arg.FullPath.LastIndexOf("\\") - arg.FullPath.IndexOf("\\")) - 1);
var sim = key.Split("_")[0];
var channel = int.Parse(key.Split("_")[1]);
try
{
using (FileStream sr = new FileStream(arg.FullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
hLSPathStorage.AddPath(arg.FullPath, key);
await context.HttpM3U8Async(sr);
}
}
catch (Exception ex)
{
Logger.LogError(ex, $"{context.Request.Url}");
context.Http404();
}
finally
{
hLSPathStorage.DeleteFileSystemWatcher(directory);
}
};
fileSystemWatcher.EnableRaisingEvents = true; // Begin watching.
hLSPathStorage.AddFileSystemWatcher(directory, fileSystemWatcher);
}
}
else
{
context.Http404();
return;
}
}
else
{
hLSPathStorage.AddPath(filepath, jT1078AVInfo.ToString());
using (FileStream sr = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
if (filename.Contains("m3u8"))
{
await context.HttpM3U8Async(sr);
}
else if (filename.Contains("ts"))
{
await context.HttpTsAsync(sr);
}
else
{
context.Http404();
}
}
}
var jT1078HttpContext = new JT1078HttpContext(context, principal);
jT1078HttpContext.Sim = jT1078AVInfo.Sim;
jT1078HttpContext.ChannelNo = jT1078AVInfo.ChannelNo;
jT1078HttpContext.RTPVideoType = RTPVideoType.Http_Hls;
HttpSessionManager.AddOrUpdateHlsSession(jT1078HttpContext);
}
}
