private RTCPeerConnection Createpc()
{
List <RTCCertificate> presetCertificates = null;
if (File.Exists(LOCALHOST_CERTIFICATE_PATH))
{
var localhostCert = new X509Certificate2(LOCALHOST_CERTIFICATE_PATH, (string)null, X509KeyStorageFlags.Exportable);
presetCertificates = new List <RTCCertificate> {
new RTCCertificate {
Certificate = localhostCert
}
};
}
RTCConfiguration pcConfiguration = new RTCConfiguration
{
certificates = presetCertificates,
};
var pc = new RTCPeerConnection(pcConfiguration);
pc.GetRtpChannel().MdnsResolve = MdnsResolve;
//pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isrelay) => logger.LogDebug($"{_peerName}: STUN message received from {ep}, message class {msg.Header.MessageClass}.");
var dataChannel = pc.createDataChannel(_dataChannelLabel, null);
dataChannel.onDatamessage -= DataChannel_onDatamessage;
dataChannel.onDatamessage += DataChannel_onDatamessage;
_dataChannels.Add(_dataChannelLabel, dataChannel);
pc.onicecandidateerror += (candidate, error) => logger.LogWarning($"{_peerName}: Error adding remote ICE candidate. {error} {candidate}");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"{_peerName}: ICE connection state change to {state}.");
pc.onconnectionstatechange += (state) =>
{
logger.LogDebug($"{_peerName}: Peer connection state changed to {state}.");
if (state == RTCPeerConnectionState.disconnected || state == RTCPeerConnectionState.failed)
{
pc.Close("remote disconnection");
}
};
pc.onicecandidate += (candidate) =>
{
if (pc.signalingState == RTCSignalingState.have_local_offer ||
pc.signalingState == RTCSignalingState.have_remote_offer)
{
OnIceCandidateAvailable?.Invoke(new RTCIceCandidateInit()
{
candidate = candidate.ToString(),
sdpMid = candidate.sdpMid,
sdpMLineIndex = candidate.sdpMLineIndex
});
}
};
pc.ondatachannel += (dc) =>
{
dc.onopen += () => logger.LogDebug($"{_peerName}: Data channel now open label {dc.label}, stream ID {dc.id}.");
dc.onDatamessage -= DataChannel_onDatamessage;
dc.onDatamessage += DataChannel_onDatamessage;
logger.LogDebug($"{_peerName}: Data channel created by remote peer, label {dc.label}, stream ID {dc.id}.");
_dataChannels.Add(dc.label, dc);
};
return(pc);
}
private RTCPeerConnection Createpc()
{
List <RTCCertificate> presetCertificates = null;
byte[] dummyCertBytes = Convert.FromBase64String(DUMMY_CERTIFICATE_BASE64);
var dummyCert = new X509Certificate2(dummyCertBytes);
presetCertificates = new List <RTCCertificate> {
new RTCCertificate {
Certificate = dummyCert
}
};
RTCConfiguration pcConfiguration = new RTCConfiguration
{
certificates = presetCertificates,
//iceServers = new List<RTCIceServer> { new RTCIceServer { urls = "stun:stun.l.google.com:19302" } }
iceServers = new List <RTCIceServer> {
new RTCIceServer {
urls = "stun:108.177.15.127:19302"
}
},
X_BindAddress = IPAddress.Any
};
var pc = new RTCPeerConnection(pcConfiguration);
//pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isrelay) => logger.LogDebug($"{_peerName}: STUN message received from {ep}, message class {msg.Header.MessageClass}.");
var dataChannel = pc.createDataChannel(_dataChannelLabel, null);
dataChannel.onDatamessage += DataChannel_onDatamessage;
dataChannel.onmessage += DataChannel_onmessage;
_dataChannels.Add(_dataChannelLabel, dataChannel);
pc.onicecandidateerror += (candidate, error) => logger.LogWarning($"{_peerName}: Error adding remote ICE candidate. {error} {candidate}");
pc.oniceconnectionstatechange += (state) => logger.LogDebug($"{_peerName}: ICE connection state change to {state}.");
pc.onconnectionstatechange += (state) =>
{
logger.LogDebug($"{_peerName}: Peer connection state changed to {state}.");
if (state == RTCPeerConnectionState.disconnected || state == RTCPeerConnectionState.failed)
{
pc.Close("remote disconnection");
}
};
pc.onicecandidate += (candidate) =>
{
if (pc.signalingState == RTCSignalingState.have_local_offer ||
pc.signalingState == RTCSignalingState.have_remote_offer)
{
OnIceCandidateAvailable?.Invoke(new RTCIceCandidateInit()
{
candidate = candidate.ToString(),
sdpMid = candidate.sdpMid,
sdpMLineIndex = candidate.sdpMLineIndex
});
}
};
pc.ondatachannel += (dc) =>
{
dc.onopen += () => logger.LogDebug($"{_peerName}: Data channel now open label {dc.label}, stream ID {dc.id}.");
dc.onDatamessage += DataChannel_onDatamessage;
dc.onmessage += DataChannel_onmessage;
logger.LogDebug($"{_peerName}: Data channel created by remote peer, label {dc.label}, stream ID {dc.id}.");
_dataChannels.Add(dc.label, dc);
};
return(pc);
}
