/// <summary>
/// 处理hls实时视频请求
/// </summary>
/// <param name="context"></param>
/// <param name="principal"></param>
public async void HandleHlsRequest(HttpListenerContext context, IPrincipal principal)
{
if (context.Request.QueryString.Count < 2)
{
context.Http404();
return;
}
string sim = context.Request.QueryString.Get("sim"); //终端sim卡号
string channelNo = context.Request.QueryString.Get("channelNo"); //通道号
string key = $"{sim}_{channelNo}";
string filename = Path.GetFileName(context.Request.Url.AbsolutePath.ToString());
string filepath = Path.Combine(Configuration.HlsRootDirectory, key, filename);
if (!File.Exists(filepath))
{
if (filename.ToLower().Contains("m3u8"))
{
fileSystemWatcher = new FileSystemWatcher();
fileSystemWatcher.Path = Path.Combine(Configuration.HlsRootDirectory, key);
fileSystemWatcher.NotifyFilter = NotifyFilters.LastWrite; //NotifyFilters.CreateTime
fileSystemWatcher.Filter = "*.m3u8"; // Only watch text files.
fileSystemWatcher.Changed += (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("\\"));
var sim = key.Split("_")[0];
var channel = int.Parse(key.Split("_")[1]);
try
{
using (FileStream sr = new FileStream(arg.FullPath, FileMode.Open))
{
context.Response.ContentType = m3u8Mime;
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.ContentLength64 = sr.Length;
sr.CopyTo(context.Response.OutputStream);
}
}
catch (Exception ex)
{
Logger.LogError(ex, $"{context.Request.Url}");
}
finally
{
context.Response.OutputStream.Close();
context.Response.Close();
}
};
fileSystemWatcher.EnableRaisingEvents = true; // Begin watching.
}
else
{
context.Http404();
return;
}
}
else
{
try
{
using (FileStream sr = new FileStream(filepath, FileMode.Open))
{
if (filename.ToLower().Contains("m3u8"))
{
context.Response.ContentType = m3u8Mime;
}
else
{
context.Response.ContentType = tsMime;
}
context.Response.StatusCode = (int)HttpStatusCode.OK;
context.Response.ContentLength64 = sr.Length;
await sr.CopyToAsync(context.Response.OutputStream);
}
}
catch (Exception ex)
{
Logger.LogError(ex, $"{context.Request.Url}");
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
}
finally
{
context.Response.OutputStream.Close();
context.Response.Close();
}
}
var jT1078HttpContext = new JT1078HttpContext(context, principal);
jT1078HttpContext.Sim = sim;
jT1078HttpContext.ChannelNo = int.Parse(channelNo);
jT1078HttpContext.RTPVideoType = RTPVideoType.Http_Hls;
HttpSessionManager.AddOrUpdate(jT1078HttpContext);
}
