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108 commits

Author SHA1 Message Date
Juliusz Chroboczek
be73380f9f Label streams, not tracks. 
We used to label tracks individually, in a view to using the labelling
for simulcast.  Since then, the WebRTC community has converged on a
different strategy, where multiple tracks share a single mid and
are labelled with the rid extension.

We now label whole streams, which is simpler, and use the track's
kind (and, in the future, the rid) to disambiguate.  This changes the
protocol in two ways:

  * in offers, the "labels" dictionary is replaced by a single "label"
    field; and
  * the syntax of the "request" message has changed.
 2021-04-29 18:28:16 +02:00
Juliusz Chroboczek
3ba2394be7 Implement user statuses. 
The server now maintains a set of statuses for each user that are not
interpreted by the server but communicated to the other members of the
group using 'user' messages.
 2021-04-28 17:01:05 +02:00
Juliusz Chroboczek
f0a39fca48 Send user permissions to client. 
We now maintain the user list in the serverConnection.
 2021-04-28 00:07:19 +02:00
Juliusz Chroboczek
b7f39d3290 Remove last traces of onabort callback. 
Everything now goes through onclose, both for up and down streams.
 2021-04-27 17:10:34 +02:00
Alexandre Iooss
8da55c6e6c Remove async from ServerConnection.gotRenegotiate 2021-04-27 11:11:17 +02:00
Alexandre Iooss
4db8279016 Fix serverConnection not defined in ServerConnection.findByLocalId 2021-04-27 11:11:17 +02:00
Juliusz Chroboczek
016c321484 Fix typing of userMessage value. 2021-02-26 16:22:55 +01:00
Juliusz Chroboczek
e04193f78c Display user message when browser doesn't do WebRTC. 
Thanks to mscherer for the report.
 2021-02-14 18:06:50 +01:00
Juliusz Chroboczek
6054ae6cc6 Update client code for renegotiation. 
We now need to deal with the case where a track disappears from the
labels array.
 2021-02-03 20:26:05 +01:00
Juliusz Chroboczek
14a4303664 Rework connection replacement. 
We used to signal connection replacement by reusing the same connection
id.  This turned out to be racy, as we couldn't reliably discard old
answers after a connection id was refused.

We now use a new id for every new connection, and explicitly signal
stream replacement in the offer message.  This requires maintaining a
local id on the client side.
 2021-01-31 23:59:17 +01:00
Juliusz Chroboczek
7d216f650c Add replace parameter to onclose stream callback. 
This indicates that the stream is being replaced by another one with
the same id.  This avoids moving videos around when they are being
renegotiated.
 2021-01-17 20:20:35 +01:00
Juliusz Chroboczek
8168c2a9e6 Rework the up connection state machine. 
It is now more similar to the down connection, using the onclose
callback for resource management.
 2021-01-14 23:50:40 +01:00
Juliusz Chroboczek
371289793b Call onclose on up streams too. 2021-01-12 02:23:22 +01:00
Juliusz Chroboczek
820b303e84 Send localDescription instead of original SDP. 2021-01-11 20:41:34 +01:00
Juliusz Chroboczek
63e2b5a4c4 Implement 'noecho' field in client messages. 2021-01-11 16:30:07 +01:00
Antonin Décimo
056ffcd2cf Add missing semicolons. 2021-01-05 21:59:47 +01:00
Juliusz Chroboczek
d2f7010141 Call ondowntrack on each track. 
We used to call it on just the first track.  Also remove obsolete
remains of the onlabel callback.
 2021-01-04 20:43:39 +01:00
Juliusz Chroboczek
0ec9f92dad Make 'clearchat' into a user message. 2021-01-03 17:47:56 +01:00
Juliusz Chroboczek
e393819eda Carry raw SDP in the protocol. 2021-01-03 17:00:58 +01:00
Juliusz Chroboczek
f53276b89e Simplify the protocol and the protocol interface. 
Split the id field into id and source, where source indicates the sender
of the message and id the entity being sent.  Remove the label request,
just use the offerer's username.  Maintain the username within the
ServerConnection, this removes a parameter from some methods.
 2021-01-03 12:17:30 +01:00
Juliusz Chroboczek
a0418d26ec Send RTC configuration with joined message. 
This avoids one HTTP request, and is potentially more flexible.
 2020-12-28 02:55:19 +01:00
Juliusz Chroboczek
d09c0f0a80 Make the value field of client messages carry arbitrary types. 2020-12-28 01:49:27 +01:00
Juliusz Chroboczek
e3fd9a963a Improve error handling during negotiation. 2020-12-25 18:54:18 +01:00
Juliusz Chroboczek
d5c7a13aae Implement abort in the client->server direction. 2020-12-25 18:51:17 +01:00
Juliusz Chroboczek
66fb73d01e Relicense under the MIT licence. 2020-12-19 17:26:33 +01:00
Antonin Décimo
f5de94cf3e Correct spelling of privileged. 2020-12-15 14:52:46 +01:00
Juliusz Chroboczek
c6108f08d5 Allow renegotiate to be called on down streams. 2020-12-05 20:44:55 +01:00
Juliusz Chroboczek
f002a83806 Keep track of stream direction. 
This simplifies the interface since close does the right thing
without help from the application.  Also improves error checking.
 2020-12-05 20:44:42 +01:00
Juliusz Chroboczek
1c5bce2a38 Improve documentation for protocol functions. 2020-12-05 20:29:03 +01:00
Juliusz Chroboczek
9bb2499b85 Rework flushing of ICE candidates. 
We now treat local and remote candidates differently, and flush
local candidates immediately after sending an offer.
 2020-12-05 20:29:03 +01:00
Juliusz Chroboczek
2546aae7c1 Eliminate login from protocol. 
The login message is replaced with handshake, which only carries
the client id.  Username and password is now in the join message.
Permissions is replaced with joined.
 2020-12-02 13:49:53 +01:00
Antonin Décimo
7d4dabe30f JSDoc doesn't recognize {Promise<void>[]}, use {Array.<>}. 2020-12-01 21:07:44 +01:00
Antonin Décimo
22f9442cf4 Fix typos. 2020-12-01 21:07:44 +01:00
Juliusz Chroboczek
aa71205fa2 Include username and id in group and user actions. 2020-11-30 20:04:58 +01:00
Juliusz Chroboczek
6040d1943c Allow forwarding usermessages. 
They now have the same format as chat messages; the only difference
is that they are not stored in the chat history.

Also adds userMessage method to ServerConnection.

Fix usermessages.
 2020-11-30 14:39:36 +01:00
Juliusz Chroboczek
4911b7ad38 Buffer local ICE candidates. 
Apparently, it is possible for an ICE candidate to be generated
before onnegotiationneeded triggers.  Avoid losing a candidate
in that case.
 2020-10-30 00:35:36 +01:00
Juliusz Chroboczek
66dd71678e Implement private messages. 2020-10-01 16:59:09 +02:00
Juliusz Chroboczek
3bd9a1db4e Timestamp chat messages. 2020-09-30 00:54:12 +02:00
Juliusz Chroboczek
480922268e Some more tweaks to JS typing. 2020-09-29 18:16:54 +02:00
Juliusz Chroboczek
0aa77441bd Improve typing of javascript code. 
We now enable typing of sfu.js.
 2020-09-20 17:25:41 +02:00
Juliusz Chroboczek
eab848f2cf Add ability to receive nothing. 2020-09-18 20:09:52 +02:00
Juliusz Chroboczek
f8ae908d7a Implement message for locked groups. 2020-09-18 11:40:00 +02:00
Juliusz Chroboczek
e824b93584 Improve error handling in ServerConnection.connect. 2020-09-18 11:28:13 +02:00
Juliusz Chroboczek
b2f01a528e Fix URL in ServerConnection.connect. 2020-09-18 11:24:33 +02:00
Antonin Décimo
5ad4df5a45 Add missing semicolons. 2020-09-14 17:23:06 +02:00
Juliusz Chroboczek
7707775cca Implement user-readable message for kick. 2020-09-12 12:26:07 +02:00
Juliusz Chroboczek
5c97e739a6 Implement activity detection. 2020-09-11 23:43:30 +02:00
Juliusz Chroboczek
8d9c3d7d1c Add userdata field to ServerConnection and Stream. 2020-09-11 21:39:18 +02:00
Juliusz Chroboczek
346f93dd16 Maintain information about whether renegotiation is permitted. 
Renegotiation is not correct when the stream is fresh, for example
after the user has switched the camera.
 2020-09-10 01:33:23 +02:00
Juliusz Chroboczek
c0122c069e Implement restartIce for older browsers. 2020-09-03 20:19:26 +02:00
Juliusz Chroboczek
a4b528e1e7 Implement onnegotiationcompleted callback. 2020-08-26 18:30:29 +02:00
Juliusz Chroboczek
fba0dded84 Type global variables in sfu.js. 2020-08-24 22:31:22 +02:00
Juliusz Chroboczek
8fbd16cc8c Minor tweaks to error handling. 2020-08-19 14:39:40 +02:00
Juliusz Chroboczek
33bfb433f1 Mark async functions explicitly in protocol.js. 
JSDoc doesn't recognise them otherwise.
 2020-08-14 14:44:23 +02:00
Juliusz Chroboczek
7848822469 Minor type tightenings in protocol.js. 2020-08-14 14:36:29 +02:00
Juliusz Chroboczek
0102bdc128 Fix typo in gotAbort. 2020-08-13 20:11:21 +02:00
Juliusz Chroboczek
04b0951530 Fix fetching of ICE servers. 2020-08-13 15:45:19 +02:00
Juliusz Chroboczek
3e0bb08955 Split out the javascript protocol interface. 2020-08-13 12:21:29 +02:00