来自 kurento 的哪个候选人用于客户端中的 ReceiveCandidate？

Question

我使用c# IceLink 开发webrtc，当我发送json "operation":"gatherCandidates" 到kurento 时

Kurento 这么回答我的许多候选人::

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:1 1 UDP 2013266431 fe80::5054:ff:fef2:132e 58277 typ host","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:2 1 TCP 1019217151 fe80::5054:ff:fef2:132e 9 typ host tcptype active","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:3 1 TCP 1015022847 fe80::5054:ff:fef2:132e 49390 typ host tcptype passive","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:4 1 UDP 2013266431 202.44.12.183 55877 typ host","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:5 1 TCP 1019216383 202.44.12.183 9 typ host tcptype active","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:6 1 TCP 1015022079 202.44.12.183 54635 typ host tcptype passive","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:1 2 UDP 2013266430 fe80::5054:ff:fef2:132e 55435 typ host","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:2 2 TCP 1019217150 fe80::5054:ff:fef2:132e 9 typ host tcptype active","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:3 2 TCP 1015022846 fe80::5054:ff:fef2:132e 49448 typ host tcptype passive","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:2 2 TCP 1019217150 fe80::5054:ff:fef2:132e 9 typ host tcptype active","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:4 2 UDP 2013266430 202.44.12.183 52003 typ host","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}

{"jsonrpc":"2.0","method":"onEvent","params":{"value":{"data":{"candidate":{"__module__":"kurento","__type__":"IceCandidate","candidate":"candidate:6 2 TCP 1015022078 202.44.12.183 44986 typ host tcptype passive","sdpMLineIndex":0,"sdpMid":"audio0"},"source":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","tags":[],"timestamp":"1475555352","type":"OnIceCandidate"},"object":"5f0f76e9-270d-46e4-b93f-a04f0f98591b_kurento.MediaPipeline/b5af38f9-2696-4352-9965-f9af01caf055_kurento.WebRtcEndpoint","type":"OnIceCandidate"}}}
.
.
.
{"id":6,"jsonrpc":"2.0","result":{"sessionId":"5b12b64d-192a-4545-9812-16223ef3820f","value":null}}

TCP 和 UDP 都有。

我的问题是

1.在客户端中用于 ReceiveCandidate 的候选人。 TCP 或 UDP 如果使用 TCP，它使用 typ host tcptype active 还是 passive？

2.或者我的客户收到了kurento的所有候选人？

谢谢你提前，

Answer 1

在 WebRTC 连接建立期间，每个对等点都会向远程对等点发送一组 ICE 候选对象。这些候选者可以是 UDP、TCP、srflx (STUN)、主机或中继 (TURN)。当远程对等点收到候选对象时，它开始探测这些 IP 和端口以查看是否可以建立连接。这就是为什么每个对等点都会发送一些它们，因此远程对等点有更多机会找到有效的候选人。

如果您想知道正在使用哪个候选对，可以从您的WebRTC 订阅NewCandidatePairSelectedEvent。