/// <summary>
/// <para>Events:</para>
/// <para>@emits icestatechange - (iceState: IceState)</para>
/// <para>@emits iceselectedtuplechange - (iceSelectedTuple: TransportTuple)</para>
/// <para>@emits dtlsstatechange - (dtlsState: DtlsState)</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newproducer - (producer: Producer)</para>
/// <para>@emits newconsumer - (consumer: Consumer)</para>
/// <para>@emits newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits newdataconsumer - (dataConsumer: DataConsumer)</para>
/// <para>@emits icestatechange - (iceState: IceState)</para>
/// <para>@emits iceselectedtuplechange - (iceSelectedTuple: TransportTuple)</para>
/// <para>@emits dtlsstatechange - (dtlsState: DtlsState)</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="transportInternalData"></param>
/// <param name="sctpParameters"></param>
/// <param name="sctpState"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getRouterRtpCapabilities"></param>
/// <param name="getProducerById"></param>
/// <param name="getDataProducerById"></param>
/// <param name="iceRole"></param>
/// <param name="iceParameters"></param>
/// <param name="iceCandidates"></param>
/// <param name="iceState"></param>
/// <param name="iceSelectedTuple"></param>
/// <param name="dtlsParameters"></param>
/// <param name="dtlsState"></param>
/// <param name="dtlsRemoteCert"></param>
public WebRtcTransport(ILoggerFactory loggerFactory,
TransportInternalData transportInternalData,
SctpParameters?sctpParameters,
SctpState?sctpState,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <RtpCapabilities> getRouterRtpCapabilities,
Func <string, Producer?> getProducerById,
Func <string, DataProducer?> getDataProducerById,
string iceRole,
IceParameters iceParameters,
IceCandidate[] iceCandidates,
IceState iceState,
TransportTuple?iceSelectedTuple,
DtlsParameters dtlsParameters,
DtlsState dtlsState,
string?dtlsRemoteCert) : base(loggerFactory, transportInternalData, sctpParameters, sctpState, channel, payloadChannel, appData, getRouterRtpCapabilities, getProducerById, getDataProducerById)
{
_logger = loggerFactory.CreateLogger <WebRtcTransport>();
// Data
IceRole = iceRole;
IceParameters = iceParameters;
IceCandidates = iceCandidates;
IceState = iceState;
IceSelectedTuple = iceSelectedTuple;
DtlsParameters = dtlsParameters;
DtlsState = dtlsState;
DtlsRemoteCert = dtlsRemoteCert;
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits transportclose</para>
/// <para>@emits producerclose</para>
/// <para>@emits producerpause</para>
/// <para>@emits producerresume</para>
/// <para>@emits score - (score: ConsumerScore)</para>
/// <para>@emits layerschange - (layers: ConsumerLayers | undefined)</para>
/// <para>@emits trace - (trace: ConsumerTraceEventData)</para>
/// <para>@emits @close</para>
/// <para>@emits @producerclose</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits pause</para>
/// <para>@emits resume</para>
/// <para>@emits score - (score: ConsumerScore)</para>
/// <para>@emits layerschange - (layers: ConsumerLayers | undefined)</para>
/// <para>@emits rtp - (packet: Buffer)</para>
/// <para>@emits trace - (trace: ConsumerTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="consumerInternalData"></param>
/// <param name="kind"></param>
/// <param name="rtpParameters"></param>
/// <param name="type"></param>
/// <param name="channel"></param>
/// <param name="appData"></param>
/// <param name="paused"></param>
/// <param name="producerPaused"></param>
/// <param name="score"></param>
/// <param name="preferredLayers"></param>
public Consumer(ILoggerFactory loggerFactory,
ConsumerInternalData consumerInternalData,
MediaKind kind,
RtpParameters rtpParameters,
ConsumerType type,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
bool paused,
bool producerPaused,
ConsumerScore?score,
ConsumerLayers?preferredLayers
)
{
_logger = loggerFactory.CreateLogger <Consumer>();
// Internal
_internal = consumerInternalData;
// Data
Kind = kind;
RtpParameters = rtpParameters;
Type = type;
_channel = channel;
_payloadChannel = payloadChannel;
AppData = appData;
_paused = paused;
ProducerPaused = producerPaused;
Score = score;
PreferredLayers = preferredLayers;
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits transportclose</para>
/// <para>@emits @close</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="dataProducerInternalData"></param>
/// <param name="sctpStreamParameters"></param>
/// <param name="label"></param>
/// <param name="protocol"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
public DataProducer(ILoggerFactory loggerFactory,
DataProducerInternalData dataProducerInternalData,
SctpStreamParameters sctpStreamParameters,
string label,
string protocol,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData
)
{
_logger = loggerFactory.CreateLogger <DataProducer>();
// Internal
_internal = dataProducerInternalData;
// Data
SctpStreamParameters = sctpStreamParameters;
Label = label;
Protocol = protocol;
_channel = channel;
_payloadChannel = payloadChannel;
AppData = appData;
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits transportclose</para></para>
/// <para>@emits score - (score: ProducerScore[])</para>
/// <para>@emits videoorientationchange - (videoOrientation: ProducerVideoOrientation)</para>
/// <para>@emits trace - (trace: ProducerTraceEventData)</para>
/// <para>@emits @close</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits pause</para>
/// <para>@emits resume</para>
/// <para>@emits score - (score: ProducerScore[])</para>
/// <para>@emits videoorientationchange - (videoOrientation: ProducerVideoOrientation)</para>
/// <para>@emits trace - (trace: ProducerTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="producerInternalData"></param>
/// <param name="kind"></param>
/// <param name="rtpParameters"></param>
/// <param name="type"></param>
/// <param name="consumableRtpParameters"></param>
/// <param name="channel"></param>
/// <param name="appData"></param>
/// <param name="paused"></param>
public Producer(ILoggerFactory loggerFactory,
ProducerInternalData producerInternalData,
MediaKind kind,
RtpParameters rtpParameters,
ProducerType type,
RtpParameters consumableRtpParameters,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
bool paused
)
{
_logger = loggerFactory.CreateLogger <Producer>();
// Internal
_internal = producerInternalData;
// Data
Kind = kind;
RtpParameters = rtpParameters;
Type = type;
ConsumableRtpParameters = consumableRtpParameters;
_channel = channel;
_payloadChannel = payloadChannel;
AppData = appData;
_paused = paused;
if (_isCheckConsumer)
{
_checkConsumersTimer = new Timer(CheckConsumers, null, TimeSpan.FromSeconds(CheckConsumersTimeSeconds), TimeSpan.FromMilliseconds(-1));
}
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newproducer - (producer: Producer)</para>
/// <para>@emits newconsumer - (consumer: Consumer)</para>
/// <para>@emits newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits newdataconsumer - (dataConsumer: DataConsumer)</para>
/// <para>@emits sctpstatechange - (sctpState: SctpState)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="transportInternalData"></param>
/// <param name="sctpParameters"></param>
/// <param name="sctpState"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getRouterRtpCapabilities"></param>
/// <param name="getProducerById"></param>
/// <param name="getDataProducerById"></param>
public PipeTransport(ILoggerFactory loggerFactory,
TransportInternalData transportInternalData,
SctpParameters?sctpParameters,
SctpState?sctpState,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <RtpCapabilities> getRouterRtpCapabilities,
Func <string, Producer?> getProducerById,
Func <string, DataProducer?> getDataProducerById,
TransportTuple tuple,
bool rtx,
SrtpParameters?srtpParameters
) : base(loggerFactory, transportInternalData, sctpParameters, sctpState, channel, payloadChannel, appData, getRouterRtpCapabilities, getProducerById, getDataProducerById)
{
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <PipeTransport>();
// Data
Tuple = tuple;
Rtx = rtx;
SrtpParameters = srtpParameters;
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits routerclose</para>
/// <para>@emits @close</para>
/// <para>@emits @newproducer - (producer: Producer)</para>
/// <para>@emits @producerclose - (producer: Producer)</para>
/// <para>@emits @newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits @dataproducerclose - (dataProducer: DataProducer)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newproducer - (producer: Producer)</para>
/// <para>@emits newconsumer - (producer: Producer)</para>
/// <para>@emits newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits newdataconsumer - (dataProducer: DataProducer)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="transportInternalData"></param>
/// <param name="sctpParameters"></param>
/// <param name="sctpState"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getRouterRtpCapabilities"></param>
/// <param name="getProducerById"></param>
/// <param name="getDataProducerById"></param>
protected Transport(ILoggerFactory loggerFactory,
TransportInternalData transportInternalData,
SctpParameters?sctpParameters,
SctpState?sctpState,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <RtpCapabilities> getRouterRtpCapabilities,
Func <string, Producer?> getProducerById,
Func <string, DataProducer?> getDataProducerById
)
{
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <Transport>();
// Internal
Internal = transportInternalData;
// Data
SctpParameters = sctpParameters;
SctpState = sctpState;
Channel = channel;
PayloadChannel = payloadChannel;
AppData = appData;
GetRouterRtpCapabilities = getRouterRtpCapabilities;
GetProducerById = getProducerById;
GetDataProducerById = getDataProducerById;
ProducersLock.Set();
ConsumersLock.Set();
DataProducersLock.Set();
DataConsumersLock.Set();
CloseLock.Set();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits volumes - (volumes: AudioLevelObserverVolume[])</para>
/// <para>@emits silence</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits pause</para>
/// <para>@emits resume</para>
/// <para>@emits addproducer - (producer: Producer)</para>
/// <para>@emits removeproducer - (producer: Producer)</para>
/// <para>@emits volumes - (volumes: AudioLevelObserverVolume[])</para>
/// <para>@emits silence</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="rtpObserverInternalData"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getProducerById"></param>
public ActiveSpeakerObserver(ILoggerFactory loggerFactory,
RtpObserverInternalData rtpObserverInternalData,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <string, Producer?> getProducerById
) : base(loggerFactory, rtpObserverInternalData, channel, payloadChannel, appData, getProducerById)
{
_logger = loggerFactory.CreateLogger <ActiveSpeakerObserver>();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits rtcp - (packet: Buffer)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newdataproducer - (dataProducer: DataProducer)</para>
/// <para>@emits newdataconsumer - (dataProducer: DataProducer)</para>
/// <para>@emits trace - (trace: TransportTraceEventData)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="transportInternalData"></param>
/// <param name="sctpParameters"></param>
/// <param name="sctpState"></param>
/// <param name="channel"></param>
/// <param name="appData"></param>
/// <param name="getRouterRtpCapabilities"></param>
/// <param name="getProducerById"></param>
/// <param name="getDataProducerById"></param>
public DirectTransport(ILoggerFactory loggerFactory,
TransportInternalData transportInternalData,
SctpParameters?sctpParameters,
SctpState?sctpState,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <RtpCapabilities> getRouterRtpCapabilities,
Func <string, Producer?> getProducerById,
Func <string, DataProducer?> getDataProducerById
) : base(loggerFactory, transportInternalData, sctpParameters, sctpState, channel, payloadChannel, appData, getRouterRtpCapabilities, getProducerById, getDataProducerById)
{
_logger = loggerFactory.CreateLogger <DirectTransport>();
// Data
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits routerclose</para>
/// <para>@emits @close</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits pause</para>
/// <para>@emits resume</para>
/// <para>@emits addproducer - (producer: Producer)</para>
/// <para>@emits removeproducer - (producer: Producer)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="rtpObserverInternalData"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
/// <param name="getProducerById"></param>
protected RtpObserver(ILoggerFactory loggerFactory,
RtpObserverInternalData rtpObserverInternalData,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData,
Func <string, Producer?> getProducerById
)
{
_logger = loggerFactory.CreateLogger <RtpObserver>();
// Internal
Internal = rtpObserverInternalData;
Channel = channel;
PayloadChannel = payloadChannel;
AppData = appData;
GetProducerById = getProducerById;
HandleWorkerNotifications();
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits workerclose</para>
/// <para>@emits @close</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newtransport - (transport: Transport)</para>
/// <para>@emits newrtpobserver - (rtpObserver: RtpObserver)</para>
/// </summary>
/// <param name="logger"></param>
/// <param name="routerId"></param>
/// <param name="rtpCapabilities"></param>
/// <param name="channel"></param>
/// <param name="payloadChannel"></param>
/// <param name="appData"></param>
public Router(ILoggerFactory loggerFactory,
string routerId,
RtpCapabilities rtpCapabilities,
Channel channel,
PayloadChannel payloadChannel,
Dictionary <string, object>?appData
)
{
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <Router>();
_internal = new RouterInternalData
{
RouterId = routerId
};
RtpCapabilities = rtpCapabilities;
_channel = channel;
_payloadChannel = payloadChannel;
AppData = appData;
}
/// <summary>
/// <para>Events:</para>
/// <para>@emits died - (error: Error)</para>
/// <para>@emits @success</para>
/// <para>@emits @failure - (error: Error)</para>
/// <para>Observer events:</para>
/// <para>@emits close</para>
/// <para>@emits newrouter - (router: Router)</para>
/// </summary>
/// <param name="loggerFactory"></param>
/// <param name="hostEnvironment"></param>
/// <param name="mediasoupOptions"></param>
public Worker(ILoggerFactory loggerFactory, MediasoupOptions mediasoupOptions)
{
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <Worker>();
_closeLock.Set();
var workerPath = mediasoupOptions.MediasoupStartupSettings.WorkerPath;
if (workerPath.IsNullOrWhiteSpace())
{
// 见：https://docs.microsoft.com/en-us/dotnet/core/rid-catalog
string rid;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
rid = "linux";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
rid = "osx";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
rid = "win";
}
else
{
throw new NotSupportedException("Unsupported platform");
}
var location = Assembly.GetEntryAssembly() !.Location;
var directory = Path.GetDirectoryName(location) !;
workerPath = Path.Combine(directory, "runtimes", rid, "native", "mediasoup-worker");
}
var workerSettings = mediasoupOptions.MediasoupSettings.WorkerSettings;
AppData = workerSettings.AppData;
var env = new[] { $"MEDIASOUP_VERSION={mediasoupOptions.MediasoupStartupSettings.MediasoupVersion}" };
var args = new List <string>
{
workerPath
};
if (workerSettings.LogLevel.HasValue)
{
args.Add($"--logLevel={workerSettings.LogLevel.Value.GetEnumMemberValue()}");
}
if (!workerSettings.LogTags.IsNullOrEmpty())
{
workerSettings.LogTags !.ForEach(m => args.Add($"--logTag={m.GetEnumMemberValue()}"));
}
if (workerSettings.RtcMinPort.HasValue)
{
args.Add($"--rtcMinPort={workerSettings.RtcMinPort}");
}
if (workerSettings.RtcMaxPort.HasValue)
{
args.Add($"--rtcMaxPort={workerSettings.RtcMaxPort}");
}
if (!workerSettings.DtlsCertificateFile.IsNullOrWhiteSpace())
{
args.Add($"--dtlsCertificateFile={workerSettings.DtlsCertificateFile}");
}
if (!workerSettings.DtlsPrivateKeyFile.IsNullOrWhiteSpace())
{
args.Add($"--dtlsPrivateKeyFile={workerSettings.DtlsPrivateKeyFile}");
}
_logger.LogDebug($"Worker() | Spawning worker process: {args.JoinAsString(" ")}");
_pipes = new Pipe[StdioCount];
// fd 0 (stdin) : Just ignore it. (忽略标准输入)
// fd 1 (stdout) : Pipe it for 3rd libraries that log their own stuff.
// fd 2 (stderr) : Same as stdout.
// fd 3 (channel) : Producer Channel fd.
// fd 4 (channel) : Consumer Channel fd.
// fd 5 (channel) : Producer PayloadChannel fd.
// fd 6 (channel) : Consumer PayloadChannel fd.
for (var i = 1; i < StdioCount; i++)
{
_pipes[i] = new Pipe()
{
Writeable = true, Readable = true
};
}
try
{
// 和 Node.js 不同，_child 没有 error 事件。不过，Process.Spawn 可抛出异常。
_child = Process.Spawn(new ProcessOptions()
{
File = workerPath,
Arguments = args.ToArray(),
Environment = env,
Detached = false,
Streams = _pipes,
}, OnExit);
ProcessId = _child.Id;
}
catch (Exception ex)
{
_child = null;
CloseAsync().ConfigureAwait(false).GetAwaiter().GetResult();
if (!_spawnDone)
{
_spawnDone = true;
_logger.LogError(ex, $"Worker() | Worker process failed [pid:{ProcessId}]");
Emit("@failure", ex);
}
else
{
// 执行到这里的可能性？
_logger.LogError(ex, $"Worker() | Worker process error [pid:{ProcessId}]");
Emit("died", ex);
}
}
_channel = new Channel(_loggerFactory.CreateLogger <Channel>(), _pipes[3], _pipes[4], ProcessId);
_channel.MessageEvent += OnChannelMessage;
_payloadChannel = new PayloadChannel(_loggerFactory.CreateLogger <PayloadChannel>(), _pipes[5], _pipes[6], ProcessId);
_pipes.ForEach(m => m?.Resume());
}
public void SendRtcp(byte[] rtcpPacket)
{
PayloadChannel.Notify("transport.sendRtcp", Internal, null, rtcpPacket);
}