public async Task <StreamTask> AddTask(RtspIdentity rtspIdentity, Size convertResolution,
RtspAuthentication authentication)
{
if (StreamTasks.TryGetValue(rtspIdentity, out var streamTask))
{
if (streamTask.IsRunning)
{
return(streamTask);
}
}
else
{
streamTask = new StreamTask(rtspIdentity, this);
while (!StreamTasks.TryAdd(rtspIdentity, streamTask))
{
}
}
if (!streamTask.IsRunning)
{
try
{
await streamTask.RunAsync(DefaultUsername ?? authentication.Credential.UserName, DefaultPassword ?? authentication.Credential.Password, convertResolution);
}
catch (Exception ex)
{
StreamTasks.TryRemove(rtspIdentity, out _);
throw;
}
streamTask.ProcessExit += StreamTask_ProcessExit;
}
return(streamTask);
}
public async Task <StreamTask> RemoveTask(RtspIdentity rtspIdentity)
{
if (StreamTasks.TryGetValue(rtspIdentity, out var task))
{
await task.StopAsync();
return(task);
}
else
{
ConsoleHelper.WriteWarn("No available task found.", "management");
return(null);
}
}
public void HeartBeat(RtspIdentity rtspIdentity)
{
if (_heartBeatDictionary.TryGetValue(rtspIdentity, out var old))
{
var now = DateTime.Now;
_heartBeatDictionary[rtspIdentity] = now;
//ConsoleHelper.WriteInfo(
// "Update task `" + rtspIdentity + "` expire time from " + old.ToLongTimeString() + " to " +
// now.ToLongTimeString(), "auto_management");
}
else
{
ConsoleHelper.WriteWarn("HeartBeat error: cannot find task `" + rtspIdentity + "`", "auto_management");
}
}
public async Task <StreamTask> AddTaskWithHeartBeat(RtspIdentity rtspIdentity, Size convertResolution, RtspAuthentication authentication = null)
{
var task = await base.AddTask(rtspIdentity, convertResolution, authentication);
if (_heartBeatDictionary.TryAdd(rtspIdentity, DateTime.Now))
{
task.ProcessExit += StreamTask_ProcessExit;
}
else
{
if (!_heartBeatDictionary.ContainsKey(rtspIdentity))
{
ConsoleHelper.WriteWarn("Add auto dispose task failed", "auto_management");
}
}
return(task);
}
public StreamTask(RtspIdentity rtspIdentity, StreamManagement management)
{
Identity = rtspIdentity;
_management = management;
}
