test potential pion fix

.github/workflows/go-test-config.json

@@ -1,3 +1,3 @@
 {
-        "skipOSes": ["windows", "linux", "ubuntu"]
+        "skipOSes": ["windows", "macos", "ubuntu"]
 }

go.mod

@@ -44,7 +44,7 @@ require (
 	github.com/multiformats/go-varint v0.0.7
 	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
 	github.com/pion/datachannel v1.5.5
-	github.com/pion/ice/v2 v2.3.11
+	github.com/pion/ice/v2 v2.3.13
 	github.com/pion/logging v0.2.2
 	github.com/pion/stun v0.6.1
 	github.com/pion/webrtc/v3 v3.2.23
@@ -53,7 +53,7 @@ require (
 	github.com/quic-go/quic-go v0.41.0
 	github.com/quic-go/webtransport-go v0.6.0
 	github.com/raulk/go-watchdog v1.3.0
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	go.uber.org/fx v1.20.1
 	go.uber.org/goleak v1.3.0
 	go.uber.org/mock v0.4.0
@@ -101,12 +101,12 @@ require (
 	github.com/opencontainers/runtime-spec v1.2.0 // indirect
 	github.com/pion/dtls/v2 v2.2.8 // indirect
 	github.com/pion/interceptor v0.1.25 // indirect
-	github.com/pion/mdns v0.0.9 // indirect
+	github.com/pion/mdns v0.0.12 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtcp v1.2.13 // indirect
 	github.com/pion/rtp v1.8.3 // indirect
-	github.com/pion/sctp v1.8.9 // indirect
-	github.com/pion/sdp/v3 v3.0.6 // indirect
+	github.com/pion/sctp v1.8.12 // indirect
+	github.com/pion/sdp/v3 v3.0.8 // indirect
 	github.com/pion/srtp/v2 v2.0.18 // indirect
 	github.com/pion/transport/v2 v2.2.4 // indirect
 	github.com/pion/turn/v2 v2.1.4 // indirect
@@ -127,3 +127,5 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.2.1 // indirect
 )
+
+replace github.com/pion/webrtc/v3 => github.com/pion/webrtc/v3 v3.2.30-0.20240313113351-46bc73031dfa

go.sum

@@ -296,15 +296,14 @@ github.com/pion/datachannel v1.5.5/go.mod h1:iMz+lECmfdCMqFRhXhcA/219B0SQlbpoR2V
 github.com/pion/dtls/v2 v2.2.7/go.mod h1:8WiMkebSHFD0T+dIU+UeBaoV7kDhOW5oDCzZ7WZ/F9s=
 github.com/pion/dtls/v2 v2.2.8 h1:BUroldfiIbV9jSnC6cKOMnyiORRWrWWpV11JUyEu5OA=
 github.com/pion/dtls/v2 v2.2.8/go.mod h1:8WiMkebSHFD0T+dIU+UeBaoV7kDhOW5oDCzZ7WZ/F9s=
-github.com/pion/ice/v2 v2.3.11 h1:rZjVmUwyT55cmN8ySMpL7rsS8KYsJERsrxJLLxpKhdw=
-github.com/pion/ice/v2 v2.3.11/go.mod h1:hPcLC3kxMa+JGRzMHqQzjoSj3xtE9F+eoncmXLlCL4E=
+github.com/pion/ice/v2 v2.3.13 h1:xOxP+4V9nSDlUaGFRf/LvAuGHDXRcjIdsbbXPK/w7c8=
+github.com/pion/ice/v2 v2.3.13/go.mod h1:KXJJcZK7E8WzrBEYnV4UtqEZsGeWfHxsNqhVcVvgjxw=
 github.com/pion/interceptor v0.1.25 h1:pwY9r7P6ToQ3+IF0bajN0xmk/fNw/suTgaTdlwTDmhc=
 github.com/pion/interceptor v0.1.25/go.mod h1:wkbPYAak5zKsfpVDYMtEfWEy8D4zL+rpxCxPImLOg3Y=
 github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
 github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
-github.com/pion/mdns v0.0.8/go.mod h1:hYE72WX8WDveIhg7fmXgMKivD3Puklk0Ymzog0lSyaI=
-github.com/pion/mdns v0.0.9 h1:7Ue5KZsqq8EuqStnpPWV33vYYEH0+skdDN5L7EiEsI4=
-github.com/pion/mdns v0.0.9/go.mod h1:2JA5exfxwzXiCihmxpTKgFUpiQws2MnipoPK09vecIc=
+github.com/pion/mdns v0.0.12 h1:CiMYlY+O0azojWDmxdNr7ADGrnZ+V6Ilfner+6mSVK8=
+github.com/pion/mdns v0.0.12/go.mod h1:VExJjv8to/6Wqm1FXK+Ii/Z9tsVk/F5sD/N70cnYFbk=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
 github.com/pion/rtcp v1.2.10/go.mod h1:ztfEwXZNLGyF1oQDttz/ZKIBaeeg/oWbRYqzBM9TL1I=
@@ -315,11 +314,10 @@ github.com/pion/rtp v1.8.2/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU
 github.com/pion/rtp v1.8.3 h1:VEHxqzSVQxCkKDSHro5/4IUUG1ea+MFdqR2R3xSpNU8=
 github.com/pion/rtp v1.8.3/go.mod h1:pBGHaFt/yW7bf1jjWAoUjpSNoDnw98KTMg+jWWvziqU=
 github.com/pion/sctp v1.8.5/go.mod h1:SUFFfDpViyKejTAdwD1d/HQsCu+V/40cCs2nZIvC3s0=
-github.com/pion/sctp v1.8.8/go.mod h1:igF9nZBrjh5AtmKc7U30jXltsFHicFCXSmWA2GWRaWs=
-github.com/pion/sctp v1.8.9 h1:TP5ZVxV5J7rz7uZmbyvnUvsn7EJ2x/5q9uhsTtXbI3g=
-github.com/pion/sctp v1.8.9/go.mod h1:cMLT45jqw3+jiJCrtHVwfQLnfR0MGZ4rgOJwUOIqLkI=
-github.com/pion/sdp/v3 v3.0.6 h1:WuDLhtuFUUVpTfus9ILC4HRyHsW6TdugjEX/QY9OiUw=
-github.com/pion/sdp/v3 v3.0.6/go.mod h1:iiFWFpQO8Fy3S5ldclBkpXqmWy02ns78NOKoLLL0YQw=
+github.com/pion/sctp v1.8.12 h1:2VX50pedElH+is6FI+OKyRTeN5oy4mrk2HjnGa3UCmY=
+github.com/pion/sctp v1.8.12/go.mod h1:cMLT45jqw3+jiJCrtHVwfQLnfR0MGZ4rgOJwUOIqLkI=
+github.com/pion/sdp/v3 v3.0.8 h1:yd/wkrS0nzXEAb+uwv1TL3SG/gzsTiXHVOtXtD7EKl0=
+github.com/pion/sdp/v3 v3.0.8/go.mod h1:B5xmvENq5IXJimIO4zfp6LAe1fD9N+kFv+V/1lOdz8M=
 github.com/pion/srtp/v2 v2.0.18 h1:vKpAXfawO9RtTRKZJbG4y0v1b11NZxQnxRl85kGuUlo=
 github.com/pion/srtp/v2 v2.0.18/go.mod h1:0KJQjA99A6/a0DOVTu1PhDSw0CXF2jTkqOoMg3ODqdA=
 github.com/pion/stun v0.6.1 h1:8lp6YejULeHBF8NmV8e2787BogQhduZugh5PdhDyyN4=
@@ -336,8 +334,8 @@ github.com/pion/transport/v3 v3.0.1/go.mod h1:UY7kiITrlMv7/IKgd5eTUcaahZx5oUN3l9
 github.com/pion/turn/v2 v2.1.3/go.mod h1:huEpByKKHix2/b9kmTAM3YoX6MKP+/D//0ClgUYR2fY=
 github.com/pion/turn/v2 v2.1.4 h1:2xn8rduI5W6sCZQkEnIUDAkrBQNl2eYIBCHMZ3QMmP8=
 github.com/pion/turn/v2 v2.1.4/go.mod h1:huEpByKKHix2/b9kmTAM3YoX6MKP+/D//0ClgUYR2fY=
-github.com/pion/webrtc/v3 v3.2.23 h1:GbqEuxBbVLFhXk0GwxKAoaIJYiEa9TyoZPEZC+2HZxM=
-github.com/pion/webrtc/v3 v3.2.23/go.mod h1:1CaT2fcZzZ6VZA+O1i9yK2DU4EOcXVvSbWG9pr5jefs=
+github.com/pion/webrtc/v3 v3.2.30-0.20240313113351-46bc73031dfa h1:fiW9PgGUgU9dtOE4sh5p/NOb+3z6OeTG1gh1aaDoB5Q=
+github.com/pion/webrtc/v3 v3.2.30-0.20240313113351-46bc73031dfa/go.mod h1:M+5YSvBDPAkHHRwGXlplIFBQI5mXm6Y4byns1OpiX68=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -408,6 +406,7 @@ github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DM
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
@@ -418,8 +417,9 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
 github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07/go.mod h1:kDXzergiv9cbyO7IOYJZWg1U88JhDg3PB6klq9Hg2pA=
@@ -469,10 +469,9 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
-golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
-golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/crypto v0.19.0 h1:ENy+Az/9Y1vSrlrvBSyna3PITt4tiZLf7sgCjZBX7Wo=
 golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -516,10 +515,9 @@ golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/net v0.11.0/go.mod h1:2L/ixqYpgIVXmeoSA/4Lu7BzTG4KIyPIryS4IsOd1oQ=
 golang.org/x/net v0.13.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
-golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
 golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -577,7 +575,7 @@ golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
 golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
@@ -586,10 +584,9 @@ golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo=
 golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
 golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
-golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -598,10 +595,8 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=

p2p/transport/webrtc/connection.go

@@ -209,9 +209,11 @@ func (c *connection) removeStream(id uint16) {
 
 func (c *connection) onConnectionStateChange(state webrtc.PeerConnectionState) {
 	if state == webrtc.PeerConnectionStateFailed || state == webrtc.PeerConnectionStateClosed {
-		c.closeOnce.Do(func() {
-			c.closeWithError(errConnectionTimeout{})
-		})
+		go func() {
+			c.closeOnce.Do(func() {
+				c.closeWithError(errConnectionTimeout{})
+			})
+		}()
 	}
 }
 

p2p/transport/webrtc/listener.go

@@ -214,8 +214,8 @@ func (l *listener) setupConnection(
 	if err != nil {
 		return nil, fmt.Errorf("instantiating peer connection failed: %w", err)
 	}
-
-	errC := addOnConnectionStateChangeCallback(w.PeerConnection, "listener")
+	fmt.Printf("peer connection: %p has addr: %s peer has addr: %s ufrag: %s\n", w.PeerConnection, l.localAddr, candidate.Addr, candidate.Ufrag)
+	errC := addOnConnectionStateChangeCallback(w.PeerConnection, "listener", candidate.Ufrag)
 	// Infer the client SDP from the incoming STUN message by setting the ice-ufrag.
 	if err := w.PeerConnection.SetRemoteDescription(webrtc.SessionDescription{
 		SDP:  createClientSDP(candidate.Addr, candidate.Ufrag),
@@ -320,11 +320,11 @@ func (l *listener) Multiaddr() ma.Multiaddr {
 // addOnConnectionStateChangeCallback adds the OnConnectionStateChange to the PeerConnection.
 // If the connection establishment errors, an error is written to the channel before closing.
 // If the connection establishment is successful, the channel is closed without writing anything.
-func addOnConnectionStateChangeCallback(pc *webrtc.PeerConnection, side string) <-chan error {
+func addOnConnectionStateChangeCallback(pc *webrtc.PeerConnection, side string, ufrag string) <-chan error {
 	errC := make(chan error, 1)
 	var once sync.Once
 	pc.OnConnectionStateChange(func(state webrtc.PeerConnectionState) {
-		fmt.Printf("%p: %s connection state: %v\n", pc, side, state)
+		fmt.Printf("%p: %s connection state: %v ufrag: %v \n", pc, side, state, ufrag)
 		switch state {
 		case webrtc.PeerConnectionStateConnected:
 			once.Do(func() { close(errC) })

p2p/transport/webrtc/transport.go

@@ -320,7 +320,7 @@ func (t *WebRTCTransport) dial(ctx context.Context, scope network.ConnManagement
 		return nil, fmt.Errorf("instantiating peer connection failed: %w", err)
 	}
 
-	errC := addOnConnectionStateChangeCallback(w.PeerConnection, "dialer")
+	errC := addOnConnectionStateChangeCallback(w.PeerConnection, "dialer", ufrag)
 
 	// do offer-answer exchange
 	offer, err := w.PeerConnection.CreateOffer(nil)

p2p/transport/webrtc/transport_test.go

@@ -827,6 +827,7 @@ func TestTransportWebRTC_ManyConnections(t *testing.T) {
 				buf := make([]byte, 10)
 				stream.Read(buf)
 				lconn.Close()
+				fmt.Println("conn done")
 			}()
 		}
 	}()
@@ -859,9 +860,13 @@ func TestTransportWebRTC_ManyConnections(t *testing.T) {
 	}
 
 	go func() {
+		sem := make(chan struct{}, 10)
 		for i := 0; i < N; i++ {
-			dialAndReceiveData()
-			fmt.Println("completed connection", i)
+			sem <- struct{}{}
+			go func() {
+				dialAndReceiveData()
+				<-sem
+			}()
 		}
 	}()
 

test-plans/go.mod

@@ -66,15 +66,15 @@ require (
 	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect
 	github.com/pion/datachannel v1.5.5 // indirect
 	github.com/pion/dtls/v2 v2.2.8 // indirect
-	github.com/pion/ice/v2 v2.3.11 // indirect
+	github.com/pion/ice/v2 v2.3.13 // indirect
 	github.com/pion/interceptor v0.1.25 // indirect
 	github.com/pion/logging v0.2.2 // indirect
-	github.com/pion/mdns v0.0.9 // indirect
+	github.com/pion/mdns v0.0.12 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtcp v1.2.13 // indirect
 	github.com/pion/rtp v1.8.3 // indirect
-	github.com/pion/sctp v1.8.9 // indirect
-	github.com/pion/sdp/v3 v3.0.6 // indirect
+	github.com/pion/sctp v1.8.12 // indirect
+	github.com/pion/sdp/v3 v3.0.8 // indirect
 	github.com/pion/srtp/v2 v2.0.18 // indirect
 	github.com/pion/stun v0.6.1 // indirect
 	github.com/pion/transport/v2 v2.2.4 // indirect
@@ -91,7 +91,7 @@ require (
 	github.com/quic-go/webtransport-go v0.6.0 // indirect
 	github.com/raulk/go-watchdog v1.3.0 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
-	github.com/stretchr/testify v1.8.4 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
 	go.uber.org/dig v1.17.1 // indirect
 	go.uber.org/fx v1.20.1 // indirect
 	go.uber.org/mock v0.4.0 // indirect