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Adapt to new SCTP stack #197

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Merged
ibc merged 3 commits into from
May 26, 2026
Merged

Adapt to new SCTP stack #197

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874520e
Adapt to new SCTP stack
ibc May 26, 2026
a259d0e
Merge branch 'v3' into adapt-to-new-sctp-stack
ibc May 26, 2026
b640704
update mediasoup to 3.20.0
ibc May 26, 2026
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526 changes: 265 additions & 261 deletions app/src/RoomClient.js
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28 changes: 19 additions & 9 deletions app/src/index.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,10 @@ window.__startDataChannelTest = function () {
view.setUint32(0, number++);
roomClient.sendChatMessage(buffer);
}

if (number === Math.pow(2, 32) - 1) {
clearInterval(dataChannelTestInterval);
}
}, 100);
};

Expand All @@ -299,28 +303,36 @@ window.__stopDataChannelTest = function () {
}
};

window.__testSctp = async function ({ timeout = 100, bot = false } = {}) {
window.__testSctp = async function ({ timeout = 250, bot = false } = {}) {
let dp;

if (!bot) {
await window.CLIENT.enableChatDataProducer();

dp = window.CLIENT._chatDataProducer;
} else {
await window.CLIENT.enableBotDataProducer();

dp = window.CLIENT._botDataProducer;
}

logger.debug(
'__testSctp() | DataProducer created [bot:%s, streamId:%d, readyState:%s]',
'__testSctp() | DataProducer selected [bot:%s, streamId:%d, readyState:%s]',
bot ? 'true' : 'false',
dp.sctpStreamParameters.streamId,
dp.readyState
);

let msgIdx = 0;

function send() {
dp.send(`I am streamId ${dp.sctpStreamParameters.streamId}`);
msgIdx++;

logger.debug('__testSctp() >>> sending message [idx:%o]', msgIdx);

dp.send(
`message idx ${msgIdx} [streamId:${dp.sctpStreamParameters.streamId}]`
);

setTimeout(() => {
send();
}, timeout);
}

if (dp.readyState === 'open') {
Expand All @@ -335,8 +347,6 @@ window.__testSctp = async function ({ timeout = 100, bot = false } = {}) {
send();
});
}

setTimeout(() => window.__testSctp({ timeout, bot }), timeout);
};

setInterval(() => {
Expand Down
15 changes: 10 additions & 5 deletions server/config.example.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,6 @@ export const config = {
'sctp',
],
disableLiburing: false,
useBuiltInSctpStack: false,
},
/**
* mediasoup Router options.
Expand Down Expand Up @@ -159,8 +158,11 @@ export const config = {
webRtcTransportOptions: {
initialAvailableOutgoingBitrate: 1000000,
minimumAvailableOutgoingBitrate: 600000,
maxSctpMessageSize: 262144,
sctpSendBufferSize: 262144,
maxSendMessageSize: 5000000,
sctpSendBufferSize: 7000000,
sctpPerStreamSendQueueLimit: 5000000,
maxReceiveMessageSize: 5000000,
sctpMaxReceiverWindowBufferSize: 7000000,
},
/**
* Additional options that are not part of WebRtcTransportOptions but
Expand All @@ -186,8 +188,11 @@ export const config = {
// sendBufferSize: 2000000,
// recvBufferSize: 2000000,
},
maxSctpMessageSize: 262144,
sctpSendBufferSize: 262144,
maxSendMessageSize: 5000000,
sctpSendBufferSize: 7000000,
sctpPerStreamSendQueueLimit: 5000000,
maxReceiveMessageSize: 5000000,
sctpMaxReceiverWindowBufferSize: 7000000,
},
},
providers: {
Expand Down
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