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incorporate CallMembership changes

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- rename Focus -> Transport
 - add RtcMembershipData (next to `sessionMembershipData`)
 - make `new CallMembership` initializable with both
 - move oldest member calculation into CallMembership

Signed-off-by: Timo K <toger5@hotmail.de>
This commit is contained in:
Timo K
2025-09-30 14:14:31 +02:00
parent ca4a9c6555
commit 29879e8384
15 changed files with 651 additions and 308 deletions
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140
spec/unit/matrixrtc/CallMembership.spec.ts
View File

@@ -19,6 +19,7 @@ import {
CallMembership,
type SessionMembershipData,
DEFAULT_EXPIRE_DURATION,
type RtcMembershipData,
} from "../../../src/matrixrtc/CallMembership";
import { membershipTemplate } from "./mocks";
@@ -44,7 +45,7 @@ describe("CallMembership", () => {
scope: "m.room",
application: "m.call",
device_id: "AAAAAAA",
focus_active: { type: "livekit" },
focus_active: { type: "livekit", focus_selection: "oldest_membership" },
foci_preferred: [{ type: "livekit" }],
};
@@ -94,11 +95,138 @@ describe("CallMembership", () => {
it("returns preferred foci", () => {
const fakeEvent = makeMockEvent();
const mockFocus = { type: "this_is_a_mock_focus" };
const membership = new CallMembership(
fakeEvent,
Object.assign({}, membershipTemplate, { foci_preferred: [mockFocus] }),
);
expect(membership.getPreferredFoci()).toEqual([mockFocus]);
const membership = new CallMembership(fakeEvent, { ...membershipTemplate, foci_preferred: [mockFocus] });
expect(membership.transports).toEqual([mockFocus]);
});
describe("getTransport", () => {
const mockFocus = { type: "this_is_a_mock_focus" };
const oldestMembership = new CallMembership(makeMockEvent(), membershipTemplate);
it("gets the correct active transport with oldest_membership", () => {
const membership = new CallMembership(makeMockEvent(), {
...membershipTemplate,
foci_preferred: [mockFocus],
focus_active: { type: "livekit", focus_selection: "oldest_membership" },
});
// if we are the oldest member we use our focus.
expect(membership.getTransport(membership)).toStrictEqual(mockFocus);
// If there is an older member we use its focus.
expect(membership.getTransport(oldestMembership)).toBe(membershipTemplate.foci_preferred[0]);
});
it("does not provide focus if the selection method is unknown", () => {
const membership = new CallMembership(makeMockEvent(), {
...membershipTemplate,
foci_preferred: [mockFocus],
focus_active: { type: "livekit", focus_selection: "multi_sfu" },
});
// if we are the oldest member we use our focus.
expect(membership.getTransport(membership)).toStrictEqual(mockFocus);
// If there is an older member we still use our own focus in multi sfu.
expect(membership.getTransport(oldestMembership)).toBe(mockFocus);
});
});
});
describe("RtcMembershipData", () => {
beforeEach(() => {
jest.useFakeTimers();
});
afterEach(() => {
jest.useRealTimers();
});
const membershipTemplate: RtcMembershipData = {
slot_id: "m.call#1",
application: { type: "m.call" },
member: { user_id: "@alice:example.org", device_id: "AAAAAAA", id: "xyzHASHxyz" },
rtc_transports: [{ type: "livekit" }],
versions: [],
};
it("rejects membership with no slot_id", () => {
expect(() => {
new CallMembership(makeMockEvent(), { ...membershipTemplate, slot_id: undefined });
}).toThrow();
});
it("rejects membership with no application", () => {
expect(() => {
new CallMembership(makeMockEvent(), { ...membershipTemplate, application: undefined });
}).toThrow();
});
it("rejects membership with incorrect application", () => {
expect(() => {
new CallMembership(makeMockEvent(), {
...membershipTemplate,
application: { wrong_type_key: "unknown" },
});
}).toThrow();
});
it("rejects membership with no member", () => {
expect(() => {
new CallMembership(makeMockEvent(), { ...membershipTemplate, member: undefined });
}).toThrow();
});
it("rejects membership with incorrect member", () => {
expect(() => {
new CallMembership(makeMockEvent(), { ...membershipTemplate, member: { i: "test" } });
}).toThrow();
expect(() => {
new CallMembership(makeMockEvent(), {
...membershipTemplate,
member: { id: "test", device_id: "test", user_id_wrong: "test" },
});
}).toThrow();
expect(() => {
new CallMembership(makeMockEvent(), {
...membershipTemplate,
member: { id: "test", device_id_wrong: "test", user_id_wrong: "test" },
});
}).toThrow();
expect(() => {
new CallMembership(makeMockEvent(), {
...membershipTemplate,
member: { id: "test", device_id: "test", user_id: "@@test" },
});
}).toThrow();
expect(() => {
new CallMembership(makeMockEvent(), {
...membershipTemplate,
member: { id: "test", device_id: "test", user_id: "@test:user.id" },
});
}).not.toThrow();
});
it("considers memberships unexpired if local age low enough", () => {
// TODO link prev event
});
it("considers memberships expired if local age large enough", () => {
// TODO link prev event
});
describe("getTransport", () => {
it("gets the correct active transport with oldest_membership", () => {
const oldestMembership = new CallMembership(makeMockEvent(), {
...membershipTemplate,
rtc_transports: [{ type: "oldest_transport" }],
});
const membership = new CallMembership(makeMockEvent(), membershipTemplate);
// if we are the oldest member we use our focus.
expect(membership.getTransport(membership)).toStrictEqual({ type: "livekit" });
// If there is an older member we use our own focus focus. (RtcMembershipData always uses multi sfu)
expect(membership.getTransport(oldestMembership)).toStrictEqual({ type: "livekit" });
});
});
});

24
spec/unit/matrixrtc/LivekitFocus.spec.ts
View File

@@ -14,26 +14,30 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import { isLivekitFocus, isLivekitFocusSelection, isLivekitFocusConfig } from "../../../src/matrixrtc/LivekitFocus";
import {
isLivekitTransport,
isLivekitFocusSelection,
isLivekitTransportConfig,
} from "../../../src/matrixrtc/LivekitFocus";
describe("LivekitFocus", () => {
it("isLivekitFocus", () => {
expect(
isLivekitFocus({
isLivekitTransport({
type: "livekit",
livekit_service_url: "http://test.com",
livekit_alias: "test",
}),
).toBeTruthy();
expect(isLivekitFocus({ type: "livekit" })).toBeFalsy();
expect(isLivekitTransport({ type: "livekit" })).toBeFalsy();
expect(
isLivekitFocus({ type: "not-livekit", livekit_service_url: "http://test.com", livekit_alias: "test" }),
isLivekitTransport({ type: "not-livekit", livekit_service_url: "http://test.com", livekit_alias: "test" }),
).toBeFalsy();
expect(
isLivekitFocus({ type: "livekit", other_service_url: "http://test.com", livekit_alias: "test" }),
isLivekitTransport({ type: "livekit", other_service_url: "http://test.com", livekit_alias: "test" }),
).toBeFalsy();
expect(
isLivekitFocus({ type: "livekit", livekit_service_url: "http://test.com", other_alias: "test" }),
isLivekitTransport({ type: "livekit", livekit_service_url: "http://test.com", other_alias: "test" }),
).toBeFalsy();
});
it("isLivekitFocusActive", () => {
@@ -48,13 +52,13 @@ describe("LivekitFocus", () => {
});
it("isLivekitFocusConfig", () => {
expect(
isLivekitFocusConfig({
isLivekitTransportConfig({
type: "livekit",
livekit_service_url: "http://test.com",
}),
).toBeTruthy();
expect(isLivekitFocusConfig({ type: "livekit" })).toBeFalsy();
expect(isLivekitFocusConfig({ type: "not-livekit", livekit_service_url: "http://test.com" })).toBeFalsy();
expect(isLivekitFocusConfig({ type: "livekit", other_service_url: "oldest_membership" })).toBeFalsy();
expect(isLivekitTransportConfig({ type: "livekit" })).toBeFalsy();
expect(isLivekitTransportConfig({ type: "not-livekit", livekit_service_url: "http://test.com" })).toBeFalsy();
expect(isLivekitTransportConfig({ type: "livekit", other_service_url: "oldest_membership" })).toBeFalsy();
});
});

10
spec/unit/matrixrtc/MatrixRTCSession.spec.ts
View File

@@ -53,12 +53,12 @@ describe("MatrixRTCSession", () => {
sess = MatrixRTCSession.sessionForRoom(client, mockRoom, callSession);
expect(sess?.memberships.length).toEqual(1);
expect(sess?.memberships[0].sessionDescription.id).toEqual("");
expect(sess?.memberships[0].slotDescription.id).toEqual("");
expect(sess?.memberships[0].scope).toEqual("m.room");
expect(sess?.memberships[0].application).toEqual("m.call");
expect(sess?.memberships[0].deviceId).toEqual("AAAAAAA");
expect(sess?.memberships[0].isExpired()).toEqual(false);
expect(sess?.sessionDescription.id).toEqual("");
expect(sess?.slotDescription.id).toEqual("");
});
it("ignores memberships where application is not m.call", () => {
@@ -268,7 +268,9 @@ describe("MatrixRTCSession", () => {
type: "livekit",
focus_selection: "oldest_membership",
});
expect(sess.resolveActiveFocus()).toBe(firstPreferredFocus);
expect(sess.resolveActiveFocus(sess.memberships.find((m) => m.deviceId === "old"))).toBe(
firstPreferredFocus,
);
jest.useRealTimers();
});
it("does not provide focus if the selection method is unknown", () => {
@@ -288,7 +290,7 @@ describe("MatrixRTCSession", () => {
type: "livekit",
focus_selection: "unknown",
});
expect(sess.resolveActiveFocus()).toBe(undefined);
expect(sess.resolveActiveFocus(sess.memberships.find((m) => m.deviceId === "old"))).toBe(undefined);
});
});

189
spec/unit/matrixrtc/MembershipManager.spec.ts
View File

@@ -27,12 +27,11 @@ import {
import {
MembershipManagerEvent,
Status,
type Focus,
type LivekitFocusActive,
type Transport,
type SessionMembershipData,
type LivekitFocusSelection,
} from "../../../src/matrixrtc";
import { makeMockClient, makeMockRoom, membershipTemplate, mockCallMembership, type MockClient } from "./mocks";
import { logger } from "../../../src/logger.ts";
import { MembershipManager } from "../../../src/matrixrtc/MembershipManager.ts";
/**
@@ -76,11 +75,11 @@ const callSession = { id: "", application: "m.call" };
describe("MembershipManager", () => {
let client: MockClient;
let room: Room;
const focusActive: LivekitFocusActive = {
const focusActive: LivekitFocusSelection = {
focus_selection: "oldest_membership",
type: "livekit",
};
const focus: Focus = {
const focus: Transport = {
type: "livekit",
livekit_service_url: "https://active.url",
livekit_alias: "!active:active.url",
@@ -104,12 +103,12 @@ describe("MembershipManager", () => {
describe("isActivated()", () => {
it("defaults to false", () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
expect(manager.isActivated()).toEqual(false);
});
it("returns true after join()", () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([]);
expect(manager.isActivated()).toEqual(true);
});
@@ -123,8 +122,8 @@ describe("MembershipManager", () => {
const updateDelayedEventHandle = createAsyncHandle<void>(client._unstable_updateDelayedEvent as Mock);
// Test
const memberManager = new MembershipManager(undefined, room, client, () => undefined, callSession);
memberManager.join([focus], focusActive);
const memberManager = new MembershipManager(undefined, room, client, callSession);
memberManager.join([focus], undefined);
// expects
await waitForMockCall(client.sendStateEvent, Promise.resolve({ event_id: "id" }));
expect(client.sendStateEvent).toHaveBeenCalledWith(
@@ -152,8 +151,45 @@ describe("MembershipManager", () => {
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledTimes(1);
});
it("sends a rtc membership event when using `useRtcMemberFormat`", async () => {
// Spys/Mocks
const updateDelayedEventHandle = createAsyncHandle<void>(client._unstable_updateDelayedEvent as Mock);
// Test
const memberManager = new MembershipManager({ useRtcMemberFormat: true }, room, client, callSession);
memberManager.join([], focus);
// expects
await waitForMockCall(client.sendStateEvent, Promise.resolve({ event_id: "id" }));
expect(client.sendStateEvent).toHaveBeenCalledWith(
room.roomId,
"org.matrix.msc3401.call.member",
{
application: { type: "m.call", id: "" },
member: {
user_id: "@alice:example.org",
id: "_@alice:example.org_AAAAAAA_m.call",
device_id: "AAAAAAA",
},
slot_id: "m.call#",
rtc_transports: [focus],
versions: [],
},
"_@alice:example.org_AAAAAAA_m.call",
);
updateDelayedEventHandle.resolve?.();
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledWith(
room.roomId,
{ delay: 8000 },
"org.matrix.msc3401.call.member",
{},
"_@alice:example.org_AAAAAAA_m.call",
);
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledTimes(1);
});
it("reschedules delayed leave event if sending state cancels it", async () => {
const memberManager = new MembershipManager(undefined, room, client, () => undefined, callSession);
const memberManager = new MembershipManager(undefined, room, client, callSession);
const waitForSendState = waitForMockCall(client.sendStateEvent);
const waitForUpdateDelaye = waitForMockCallOnce(
client._unstable_updateDelayedEvent,
@@ -228,10 +264,9 @@ describe("MembershipManager", () => {
},
room,
client,
() => undefined,
callSession,
);
manager.join([focus], focusActive);
manager.join([focus]);
await sendDelayedStateExceedAttempt.then(); // needed to resolve after the send attempt catches
await sendDelayedStateAttempt;
@@ -286,8 +321,8 @@ describe("MembershipManager", () => {
describe("delayed leave event", () => {
it("does not try again to schedule a delayed leave event if not supported", () => {
const delayedHandle = createAsyncHandle(client._unstable_sendDelayedStateEvent as Mock);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], focusActive);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus]);
delayedHandle.reject?.(
new UnsupportedDelayedEventsEndpointError(
"Server does not support the delayed events API",
@@ -298,21 +333,15 @@ describe("MembershipManager", () => {
});
it("does try to schedule a delayed leave event again if rate limited", async () => {
const delayedHandle = createAsyncHandle(client._unstable_sendDelayedStateEvent as Mock);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], focusActive);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus]);
delayedHandle.reject?.(new HTTPError("rate limited", 429, undefined));
await jest.advanceTimersByTimeAsync(5000);
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledTimes(2);
});
it("uses delayedLeaveEventDelayMs from config", () => {
const manager = new MembershipManager(
{ delayedLeaveEventDelayMs: 123456 },
room,
client,
() => undefined,
callSession,
);
manager.join([focus], focusActive);
const manager = new MembershipManager({ delayedLeaveEventDelayMs: 123456 }, room, client, callSession);
manager.join([focus]);
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledWith(
room.roomId,
{ delay: 123456 },
@@ -329,11 +358,11 @@ describe("MembershipManager", () => {
{ delayedLeaveEventRestartMs: RESTART_DELAY },
room,
client,
() => undefined,
callSession,
);
// Join with the membership manager
manager.join([focus], focusActive);
manager.join([focus]);
expect(manager.status).toBe(Status.Connecting);
// Let the scheduler run one iteration so that we can send the join state event
await jest.runOnlyPendingTimersAsync();
@@ -367,11 +396,11 @@ describe("MembershipManager", () => {
{ membershipEventExpiryMs: 1234567 },
room,
client,
() => undefined,
callSession,
);
manager.join([focus], focusActive);
manager.join([focus]);
await waitForMockCall(client.sendStateEvent);
expect(client.sendStateEvent).toHaveBeenCalledWith(
room.roomId,
@@ -393,11 +422,11 @@ describe("MembershipManager", () => {
});
it("does nothing if join called when already joined", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], focusActive);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus]);
await waitForMockCall(client.sendStateEvent);
expect(client.sendStateEvent).toHaveBeenCalledTimes(1);
manager.join([focus], focusActive);
manager.join([focus]);
expect(client.sendStateEvent).toHaveBeenCalledTimes(1);
});
});
@@ -405,16 +434,16 @@ describe("MembershipManager", () => {
describe("leave()", () => {
// TODO add rate limit cases.
it("resolves delayed leave event when leave is called", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], focusActive);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus]);
await jest.advanceTimersByTimeAsync(1);
await manager.leave();
expect(client._unstable_updateDelayedEvent).toHaveBeenLastCalledWith("id", "send");
expect(client.sendStateEvent).toHaveBeenCalled();
});
it("send leave event when leave is called and resolving delayed leave fails", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], focusActive);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus]);
await jest.advanceTimersByTimeAsync(1);
(client._unstable_updateDelayedEvent as Mock<any>).mockRejectedValue("unknown");
await manager.leave();
@@ -428,60 +457,16 @@ describe("MembershipManager", () => {
);
});
it("does nothing if not joined", () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
expect(async () => await manager.leave()).not.toThrow();
expect(client._unstable_sendDelayedStateEvent).not.toHaveBeenCalled();
expect(client.sendStateEvent).not.toHaveBeenCalled();
});
});
describe("getsActiveFocus", () => {
it("gets the correct active focus with oldest_membership", () => {
const getOldestMembership = jest.fn();
const manager = new MembershipManager({}, room, client, getOldestMembership, callSession);
// Before joining the active focus should be undefined (see FocusInUse on MatrixRTCSession)
expect(manager.getActiveFocus()).toBe(undefined);
manager.join([focus], focusActive);
// After joining we want our own focus to be the one we select.
getOldestMembership.mockReturnValue(
mockCallMembership(
{
...membershipTemplate,
foci_preferred: [
{
livekit_alias: "!active:active.url",
livekit_service_url: "https://active.url",
type: "livekit",
},
],
user_id: client.getUserId()!,
device_id: client.getDeviceId()!,
created_ts: 1000,
},
room.roomId,
),
);
expect(manager.getActiveFocus()).toStrictEqual(focus);
getOldestMembership.mockReturnValue(
mockCallMembership(
Object.assign({}, membershipTemplate, { device_id: "old", created_ts: 1000 }),
room.roomId,
),
);
// If there is an older member we use its focus.
expect(manager.getActiveFocus()).toBe(membershipTemplate.foci_preferred[0]);
});
it("does not provide focus if the selection method is unknown", () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
manager.join([focus], Object.assign(focusActive, { type: "unknown_type" }));
expect(manager.getActiveFocus()).toBe(undefined);
});
});
describe("onRTCSessionMemberUpdate()", () => {
it("does nothing if not joined", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
await manager.onRTCSessionMemberUpdate([mockCallMembership(membershipTemplate, room.roomId)]);
await jest.advanceTimersToNextTimerAsync();
expect(client.sendStateEvent).not.toHaveBeenCalled();
@@ -489,7 +474,7 @@ describe("MembershipManager", () => {
expect(client._unstable_updateDelayedEvent).not.toHaveBeenCalled();
});
it("does nothing if own membership still present", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
await jest.advanceTimersByTimeAsync(1);
const myMembership = (client.sendStateEvent as Mock).mock.calls[0][2];
@@ -513,7 +498,7 @@ describe("MembershipManager", () => {
expect(client._unstable_updateDelayedEvent).not.toHaveBeenCalled();
});
it("recreates membership if it is missing", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
await jest.advanceTimersByTimeAsync(1);
// clearing all mocks before checking what happens when calling: `onRTCSessionMemberUpdate`
@@ -531,7 +516,7 @@ describe("MembershipManager", () => {
});
it("updates the UpdateExpiry entry in the action scheduler", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
await jest.advanceTimersByTimeAsync(1);
// clearing all mocks before checking what happens when calling: `onRTCSessionMemberUpdate`
@@ -564,7 +549,6 @@ describe("MembershipManager", () => {
{ delayedLeaveEventRestartMs: 10_000, delayedLeaveEventDelayMs: 30_000 },
room,
client,
() => undefined,
{ id: "", application: "m.call" },
);
manager.join([focus], focusActive);
@@ -596,7 +580,7 @@ describe("MembershipManager", () => {
{ membershipEventExpiryMs: expire, membershipEventExpiryHeadroomMs: headroom },
room,
client,
() => undefined,
{ id: "", application: "m.call" },
);
manager.join([focus], focusActive);
@@ -621,14 +605,14 @@ describe("MembershipManager", () => {
describe("status updates", () => {
it("starts 'Disconnected'", () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
expect(manager.status).toBe(Status.Disconnected);
});
it("emits 'Connection' and 'Connected' after join", async () => {
const handleDelayedEvent = createAsyncHandle<void>(client._unstable_sendDelayedStateEvent);
const handleStateEvent = createAsyncHandle<void>(client.sendStateEvent);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
expect(manager.status).toBe(Status.Disconnected);
const connectEmit = jest.fn();
manager.on(MembershipManagerEvent.StatusChanged, connectEmit);
@@ -642,7 +626,7 @@ describe("MembershipManager", () => {
expect(connectEmit).toHaveBeenCalledWith(Status.Connecting, Status.Connected);
});
it("emits 'Disconnecting' and 'Disconnected' after leave", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
const connectEmit = jest.fn();
manager.on(MembershipManagerEvent.StatusChanged, connectEmit);
manager.join([focus], focusActive);
@@ -658,7 +642,7 @@ describe("MembershipManager", () => {
it("sends retry if call membership event is still valid at time of retry", async () => {
const handle = createAsyncHandle(client._unstable_sendDelayedStateEvent);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
expect(client._unstable_sendDelayedStateEvent).toHaveBeenCalledTimes(1);
@@ -685,7 +669,7 @@ describe("MembershipManager", () => {
new Headers({ "Retry-After": "1" }),
),
);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
// Should call _unstable_sendDelayedStateEvent but not sendStateEvent because of the
// RateLimit error.
manager.join([focus], focusActive);
@@ -705,7 +689,7 @@ describe("MembershipManager", () => {
it("abandons retry loop if leave() was called before sending state event", async () => {
const handle = createAsyncHandle(client._unstable_sendDelayedStateEvent);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
handle.reject?.(
new MatrixError(
@@ -740,7 +724,7 @@ describe("MembershipManager", () => {
new Headers({ "Retry-After": "1" }),
),
);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive);
// Hit rate limit
@@ -773,7 +757,7 @@ describe("MembershipManager", () => {
new Headers({ "Retry-After": "2" }),
),
);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive, delayEventSendError);
for (let i = 0; i < 10; i++) {
@@ -793,7 +777,7 @@ describe("MembershipManager", () => {
new Headers({ "Retry-After": "1" }),
),
);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive, delayEventRestartError);
for (let i = 0; i < 10; i++) {
@@ -804,7 +788,7 @@ describe("MembershipManager", () => {
it("falls back to using pure state events when some error occurs while sending delayed events", async () => {
const unrecoverableError = jest.fn();
(client._unstable_sendDelayedStateEvent as Mock<any>).mockRejectedValue(new HTTPError("unknown", 601));
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive, unrecoverableError);
await waitForMockCall(client.sendStateEvent);
expect(unrecoverableError).not.toHaveBeenCalledWith();
@@ -817,7 +801,6 @@ describe("MembershipManager", () => {
{ networkErrorRetryMs: 1000, maximumNetworkErrorRetryCount: 7 },
room,
client,
() => undefined,
callSession,
);
manager.join([focus], focusActive, unrecoverableError);
@@ -836,7 +819,7 @@ describe("MembershipManager", () => {
(client._unstable_sendDelayedStateEvent as Mock<any>).mockRejectedValue(
new UnsupportedDelayedEventsEndpointError("not supported", "sendDelayedStateEvent"),
);
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([focus], focusActive, unrecoverableError);
await jest.advanceTimersByTimeAsync(1);
@@ -850,7 +833,7 @@ describe("MembershipManager", () => {
{ delayedLeaveEventDelayMs: 10000 },
room,
client,
() => undefined,
callSession,
);
const { promise: stuckPromise, reject: rejectStuckPromise } = Promise.withResolvers<EmptyObject>();
@@ -904,7 +887,7 @@ describe("MembershipManager", () => {
describe("updateCallIntent()", () => {
it("should fail if the user has not joined the call", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
// After joining we want our own focus to be the one we select.
try {
await manager.updateCallIntent("video");
@@ -913,7 +896,7 @@ describe("MembershipManager", () => {
});
it("can adjust the intent", async () => {
const manager = new MembershipManager({}, room, client, () => undefined, callSession);
const manager = new MembershipManager({}, room, client, callSession);
manager.join([]);
expect(manager.isActivated()).toEqual(true);
const membership = mockCallMembership({ ...membershipTemplate, user_id: client.getUserId()! }, room.roomId);
@@ -926,7 +909,7 @@ describe("MembershipManager", () => {
});
it("does nothing if the intent doesn't change", async () => {
const manager = new MembershipManager({ callIntent: "video" }, room, client, () => undefined, callSession);
const manager = new MembershipManager({ callIntent: "video" }, room, client, callSession);
manager.join([]);
expect(manager.isActivated()).toEqual(true);
const membership = mockCallMembership(
@@ -944,7 +927,7 @@ it("Should prefix log with MembershipManager used", () => {
const client = makeMockClient("@alice:example.org", "AAAAAAA");
const room = makeMockRoom([membershipTemplate]);
const membershipManager = new MembershipManager(undefined, room, client, () => undefined, callSession, logger);
const membershipManager = new MembershipManager(undefined, room, client, callSession);
const spy = jest.spyOn(console, "error");
// Double join

8
src/@types/event.ts
View File

@@ -58,7 +58,7 @@ import {
type ICallNotifyContent,
} from "../matrixrtc/types.ts";
import { type M_POLL_END, type M_POLL_START, type PollEndEventContent, type PollStartEventContent } from "./polls.ts";
import { type SessionMembershipData } from "../matrixrtc/CallMembership.ts";
import { type RtcMembershipData, type SessionMembershipData } from "../matrixrtc/CallMembership.ts";
import { type LocalNotificationSettings } from "./local_notifications.ts";
import { type IPushRules } from "./PushRules.ts";
import { type SecretInfo, type SecretStorageKeyDescription } from "../secret-storage.ts";
@@ -368,7 +368,11 @@ export interface StateEvents {
// MSC3401
[EventType.GroupCallPrefix]: IGroupCallRoomState;
[EventType.GroupCallMemberPrefix]: IGroupCallRoomMemberState | SessionMembershipData | EmptyObject;
[EventType.GroupCallMemberPrefix]:
| IGroupCallRoomMemberState
| SessionMembershipData
| RtcMembershipData
| EmptyObject;
// MSC3089
[UNSTABLE_MSC3089_BRANCH.name]: MSC3089EventContent;

271
src/matrixrtc/CallMembership.ts
View File

@@ -14,11 +14,13 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import { type MatrixEvent } from "../matrix.ts";
import { MXID_PATTERN } from "../models/room-member.ts";
import { deepCompare } from "../utils.ts";
import { type Focus } from "./focus.ts";
import { type SessionDescription } from "./MatrixRTCSession.ts";
import { type RTCCallIntent } from "./types.ts";
import { isLivekitFocusSelection, type LivekitFocusSelection } from "./LivekitFocus.ts";
import { slotDescriptionToId, slotIdToDescription, type SlotDescription } from "./MatrixRTCSession.ts";
import { type RTCCallIntent, type Transport } from "./types.ts";
import { type RelationType } from "src/types.ts";
import { type MatrixEvent } from "../models/event.ts";
/**
* The default duration in milliseconds that a membership is considered valid for.
@@ -28,6 +30,91 @@ import { type RTCCallIntent } from "./types.ts";
export const DEFAULT_EXPIRE_DURATION = 1000 * 60 * 60 * 4;
type CallScope = "m.room" | "m.user";
type Member = { user_id: string; device_id: string; id: string };
export interface RtcMembershipData {
"slot_id": string;
"member": Member;
"m.relates_to"?: {
event_id: string;
rel_type: RelationType.Reference;
};
"application": {
type: string;
// other application specific keys
[key: string]: any;
};
"rtc_transports": Transport[];
"versions": string[];
"created_ts"?: number;
"sticky_key"?: string;
/**
* The intent of the call from the perspective of this user. This may be an audio call, video call or
* something else.
*/
"m.call.intent"?: RTCCallIntent;
}
const checkRtcMembershipData = (
data: Partial<Record<keyof RtcMembershipData, any>>,
errors: string[],
): data is RtcMembershipData => {
const prefix = "Malformed rtc membership event: ";
// required fields
if (typeof data.slot_id !== "string") errors.push(prefix + "slot_id must be string");
if (typeof data.member !== "object" || data.member === null) {
errors.push(prefix + "member must be an object");
} else {
if (typeof data.member.user_id !== "string") errors.push(prefix + "member.user_id must be string");
else if (!MXID_PATTERN.test(data.member.user_id)) errors.push(prefix + "member.user_id must be a valid mxid");
if (typeof data.member.device_id !== "string") errors.push(prefix + "member.device_id must be string");
if (typeof data.member.id !== "string") errors.push(prefix + "member.id must be string");
}
if (typeof data.application !== "object" || data.application === null) {
errors.push(prefix + "application must be an object");
} else {
if (typeof data.application.type !== "string") errors.push(prefix + "application.type must be a string");
}
if (data.rtc_transports === undefined || !Array.isArray(data.rtc_transports)) {
errors.push(prefix + "rtc_transports must be an array");
} else {
// validate that each transport has at least a string 'type'
for (const t of data.rtc_transports) {
if (typeof t !== "object" || typeof (t as any).type !== "string") {
errors.push(prefix + "rtc_transports entries must be objects with a string type");
break;
}
}
}
if (data.versions === undefined || !Array.isArray(data.versions)) {
errors.push(prefix + "versions must be an array");
} else if (!data.versions.every((v) => typeof v === "string")) {
errors.push(prefix + "versions must be an array of strings");
}
// optional fields
if (data.created_ts !== undefined && typeof data.created_ts !== "number") {
errors.push(prefix + "created_ts must be number");
}
if (data.sticky_key !== undefined && typeof data.sticky_key !== "string") {
errors.push(prefix + "sticky_key must be a string");
}
if (data["m.call.intent"] !== undefined && typeof data["m.call.intent"] !== "string") {
errors.push(prefix + "m.call.intent must be a string");
}
if (data["m.relates_to"] !== undefined) {
const rel = data["m.relates_to"] as RtcMembershipData["m.relates_to"];
if (typeof rel !== "object" || rel === null) {
errors.push(prefix + "m.relates_to must be an object if provided");
} else {
if (typeof rel.event_id !== "string") errors.push(prefix + "m.relates_to.event_id must be a string");
if (rel.rel_type !== "m.reference") errors.push(prefix + "m.relates_to.rel_type must be m.reference");
}
}
return errors.length === 0;
};
/**
* MSC4143 (MatrixRTC) session membership data.
@@ -55,13 +142,13 @@ export type SessionMembershipData = {
/**
* The focus selection system this user/membership is using.
*/
"focus_active": Focus;
"focus_active": LivekitFocusSelection;
/**
* A list of possible foci this uses knows about. One of them might be used based on the focus_active
* A list of possible foci this user knows about. One of them might be used based on the focus_active
* selection system.
*/
"foci_preferred"?: Focus[];
"foci_preferred": Transport[];
/**
* Optional field that contains the creation of the session. If it is undefined the creation
@@ -76,7 +163,7 @@ export type SessionMembershipData = {
/**
* If the `application` = `"m.call"` this defines if it is a room or user owned call.
* There can always be one room scroped call but multiple user owned calls (breakout sessions)
* There can always be one room scoped call but multiple user owned calls (breakout sessions)
*/
"scope"?: CallScope;
@@ -103,8 +190,12 @@ const checkSessionsMembershipData = (
if (typeof data.call_id !== "string") errors.push(prefix + "call_id must be string");
if (typeof data.application !== "string") errors.push(prefix + "application must be a string");
if (typeof data.focus_active?.type !== "string") errors.push(prefix + "focus_active.type must be a string");
if (data.foci_preferred !== undefined && !Array.isArray(data.foci_preferred))
{errors.push(prefix + "foci_preferred must be an array");}
if (data.focus_active !== undefined && !isLivekitFocusSelection(data.focus_active)) {
errors.push(prefix + "focus_active has an invalid type");
}
if (data.foci_preferred !== undefined && !Array.isArray(data.foci_preferred)) {
errors.push(prefix + "foci_preferred must be an array");
}
// optional parameters
if (data.created_ts !== undefined && typeof data.created_ts !== "number") {
errors.push(prefix + "created_ts must be number");
@@ -120,106 +211,200 @@ const checkSessionsMembershipData = (
return errors.length === 0;
};
type MembershipData = { kind: "rtc"; data: RtcMembershipData } | { kind: "session"; data: SessionMembershipData };
export class CallMembership {
public static equal(a: CallMembership, b: CallMembership): boolean {
if (a === undefined || b === undefined) return a === b;
return deepCompare(a.membershipData, b.membershipData);
}
private membershipData: SessionMembershipData;
private membershipData: MembershipData;
public constructor(
private parentEvent: MatrixEvent,
data: any,
) {
const sessionErrors: string[] = [];
if (!checkSessionsMembershipData(data, sessionErrors)) {
throw Error(
`unknown CallMembership data. Does not match MSC4143 call.member (${sessionErrors.join(" & ")}) events this could be a legacy membership event: (${data})`,
);
const rtcErrors: string[] = [];
if (checkSessionsMembershipData(data, sessionErrors)) {
this.membershipData = { kind: "session", data };
} else if (checkRtcMembershipData(data, rtcErrors)) {
this.membershipData = { kind: "rtc", data };
} else {
this.membershipData = data;
throw Error(
`unknown CallMembership data.` +
`Does not match MSC4143 call.member (${sessionErrors.join(" & ")})\n` +
`Does not match MSC4143 rtc.member (${rtcErrors.join(" & ")})\n` +
`events this could be a legacy membership event: (${data})`,
);
}
}
public get sender(): string | undefined {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.member.user_id;
case "session":
return this.parentEvent.getSender();
}
}
public get eventId(): string | undefined {
return this.parentEvent.getId();
}
/**
* @deprecated Use sessionDescription.id instead.
* The slot id to find all member building one session `slot_id` (format `{application}#{id}`).
* This is computed in case SessionMembershipData is used.
*/
public get callId(): string {
return this.membershipData.call_id;
public get slotId(): string {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.slot_id;
case "session":
return slotDescriptionToId({ application: this.application, id: data.call_id });
}
}
public get deviceId(): string {
return this.membershipData.device_id;
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.member.device_id;
case "session":
return data.device_id;
}
}
public get callIntent(): RTCCallIntent | undefined {
return this.membershipData["m.call.intent"];
return this.membershipData.data["m.call.intent"];
}
public get sessionDescription(): SessionDescription {
return {
application: this.membershipData.application,
id: this.membershipData.call_id,
};
/**
* Parsed `slot_id` (format `{application}#{id}`) into its components (application and id).
*/
public get slotDescription(): SlotDescription {
return slotIdToDescription(this.slotId);
}
public get application(): string | undefined {
return this.membershipData.application;
public get application(): string {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.application.type;
case "session":
return data.application;
}
}
public get scope(): CallScope | undefined {
return this.membershipData.scope;
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return undefined;
case "session":
return data.scope;
}
}
public get membershipID(): string {
// the createdTs behaves equivalent to the membershipID.
// we only need the field for the legacy member envents where we needed to update them
// we only need the field for the legacy member events where we needed to update them
// synapse ignores sending state events if they have the same content.
return this.createdTs().toString();
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.member.id;
case "session":
return (this.createdTs() ?? "").toString();
}
}
public createdTs(): number {
return this.membershipData.created_ts ?? this.parentEvent.getTs();
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
// TODO we need to read the referenced (relation) event if available to get the real created_ts
return this.parentEvent.getTs();
case "session":
return data.created_ts ?? this.parentEvent.getTs();
}
}
/**
* Gets the absolute expiry timestamp of the membership.
* @returns The absolute expiry time of the membership as a unix timestamp in milliseconds or undefined if not applicable
*/
public getAbsoluteExpiry(): number {
public getAbsoluteExpiry(): number | undefined {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return undefined;
case "session":
// TODO: calculate this from the MatrixRTCSession join configuration directly
return this.createdTs() + (this.membershipData.expires ?? DEFAULT_EXPIRE_DURATION);
return this.createdTs() + (data.expires ?? DEFAULT_EXPIRE_DURATION);
}
}
/**
* @returns The number of milliseconds until the membership expires or undefined if applicable
*/
public getMsUntilExpiry(): number {
public getMsUntilExpiry(): number | undefined {
const { kind } = this.membershipData;
switch (kind) {
case "rtc":
return undefined;
case "session":
// Assume that local clock is sufficiently in sync with other clocks in the distributed system.
// We used to try and adjust for the local clock being skewed, but there are cases where this is not accurate.
// The current implementation allows for the local clock to be -infinity to +MatrixRTCSession.MEMBERSHIP_EXPIRY_TIME/2
return this.getAbsoluteExpiry() - Date.now();
return this.getAbsoluteExpiry()! - Date.now();
}
}
/**
* @returns true if the membership has expired, otherwise false
*/
public isExpired(): boolean {
return this.getMsUntilExpiry() <= 0;
const { kind } = this.membershipData;
switch (kind) {
case "rtc":
return false;
case "session":
return this.getMsUntilExpiry()! <= 0;
}
}
public getPreferredFoci(): Focus[] {
return this.membershipData.foci_preferred ?? [];
}
public getFocusActive(): Focus {
return this.membershipData.focus_active;
/**
*
* @param oldestMembership For backwards compatibility with session membership (legacy).
* @returns
*/
public getTransport(oldestMembership: CallMembership): Transport | undefined {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.rtc_transports[0];
case "session":
switch (data.focus_active.focus_selection) {
case "oldest_membership":
if (CallMembership.equal(this, oldestMembership)) return data.foci_preferred[0];
if (oldestMembership !== undefined) return oldestMembership.getTransport(oldestMembership);
break;
case "multi_sfu":
return data.foci_preferred[0];
}
}
}
public get transports(): Transport[] {
const { kind, data } = this.membershipData;
switch (kind) {
case "rtc":
return data.rtc_transports;
case "session":
return data.foci_preferred;
}
}
}

12
src/matrixrtc/IMembershipManager.ts
View File

@@ -15,8 +15,7 @@ limitations under the License.
*/
import type { CallMembership } from "./CallMembership.ts";
import type { Focus } from "./focus.ts";
import type { RTCCallIntent, Status } from "./types.ts";
import type { RTCCallIntent, Status, Transport } from "./types.ts";
import { type TypedEventEmitter } from "../models/typed-event-emitter.ts";
export enum MembershipManagerEvent {
@@ -80,10 +79,11 @@ export interface IMembershipManager
/**
* Start sending all necessary events to make this user participate in the RTC session.
* @param fociPreferred the list of preferred foci to use in the joined RTC membership event.
* @param fociActive the active focus to use in the joined RTC membership event.
* @param multiSfuFocus the active focus to use in the joined RTC membership event. Setting this implies the
* membership manager will use multi sfu. Use `undefined` to not use `oldest_membership` selection based sfu.
* @throws can throw if it exceeds a configured maximum retry.
*/
join(fociPreferred: Focus[], fociActive?: Focus, onError?: (error: unknown) => void): void;
join(fociPreferred: Transport[], multiSfuFocus?: Transport, onError?: (error: unknown) => void): void;
/**
* Send all necessary events to make this user leave the RTC session.
* @param timeout the maximum duration in ms until the promise is forced to resolve.
@@ -95,10 +95,6 @@ export interface IMembershipManager
* Call this if the MatrixRTC session members have changed.
*/
onRTCSessionMemberUpdate(memberships: CallMembership[]): Promise<void>;
/**
* Determines the active focus used by the given session member, or undefined if not joined.
*/
resolveActiveFocus(member: CallMembership): Focus | undefined;
/**
* Update the intent of a membership on the call (e.g. user is now providing a video feed)

23
src/matrixrtc/LivekitFocus.ts
View File

@@ -14,26 +14,33 @@ See the License for the specific language governing permissions and
limitations under the License.
*/
import { type Focus } from "./focus.ts";
import { type Transport } from "./types.ts";
export interface LivekitFocusConfig extends Focus {
export interface LivekitTransportConfig extends Transport {
type: "livekit";
livekit_service_url: string;
}
export const isLivekitFocusConfig = (object: any): object is LivekitFocusConfig =>
export const isLivekitTransportConfig = (object: any): object is LivekitTransportConfig =>
object.type === "livekit" && "livekit_service_url" in object;
export interface LivekitFocus extends LivekitFocusConfig {
export interface LivekitTransport extends LivekitTransportConfig {
livekit_alias: string;
}
export const isLivekitFocus = (object: any): object is LivekitFocus =>
isLivekitFocusConfig(object) && "livekit_alias" in object;
export const isLivekitTransport = (object: any): object is LivekitTransport =>
isLivekitTransportConfig(object) && "livekit_alias" in object;
export interface LivekitFocusSelection extends Focus {
/**
* Deprecated, this is just needed for the old focus active / focus fields of a call membership.
* Not needed for new implementations.
*/
export interface LivekitFocusSelection extends Transport {
type: "livekit";
focus_selection: "oldest_membership";
focus_selection: "oldest_membership" | "multi_sfu";
}
/**
* deprecated see LivekitFocusSelection
*/
export const isLivekitFocusSelection = (object: any): object is LivekitFocusSelection =>
object.type === "livekit" && "focus_selection" in object;

114
src/matrixrtc/MatrixRTCSession.ts
View File

@@ -24,17 +24,17 @@ import { KnownMembership } from "../@types/membership.ts";
import { type ISendEventResponse } from "../@types/requests.ts";
import { CallMembership } from "./CallMembership.ts";
import { RoomStateEvent } from "../models/room-state.ts";
import { type Focus } from "./focus.ts";
import { MembershipManager } from "./MembershipManager.ts";
import { EncryptionManager, type IEncryptionManager } from "./EncryptionManager.ts";
import { deepCompare, logDurationSync } from "../utils.ts";
import {
type Statistics,
type RTCNotificationType,
type Status,
type IRTCNotificationContent,
type ICallNotifyContent,
type RTCCallIntent,
import type {
Statistics,
RTCNotificationType,
Status,
IRTCNotificationContent,
ICallNotifyContent,
RTCCallIntent,
Transport,
} from "./types.ts";
import { RoomKeyTransport } from "./RoomKeyTransport.ts";
import {
@@ -103,10 +103,17 @@ export interface SessionConfig {
/**
* The session description is used to identify a session. Used in the state event.
*/
export interface SessionDescription {
export interface SlotDescription {
id: string;
application: string;
}
export function slotIdToDescription(slotId: string): SlotDescription {
const [application, id] = slotId.split("#");
return { application, id };
}
export function slotDescriptionToId(slotDescription: SlotDescription): string {
return `${slotDescription.application}#${slotDescription.id}`;
}
// The names follow these principles:
// - we use the technical term delay if the option is related to delayed events.
@@ -185,6 +192,7 @@ export interface MembershipConfig {
* but only applies to calls to the `_unstable_updateDelayedEvent` endpoint with a body of `{action:"restart"}`.)
*/
delayedLeaveEventRestartLocalTimeoutMs?: number;
useRtcMemberFormat?: boolean;
}
export interface EncryptionConfig {
@@ -241,7 +249,7 @@ export class MatrixRTCSession extends TypedEventEmitter<
private membershipManager?: IMembershipManager;
private encryptionManager?: IEncryptionManager;
// The session Id of the call, this is the call_id of the call Member event.
private _callId: string | undefined;
private _slotId: string | undefined;
private joinConfig?: SessionConfig;
private logger: Logger;
@@ -279,33 +287,53 @@ export class MatrixRTCSession extends TypedEventEmitter<
*
* It can be undefined since the callId is only known once the first membership joins.
* The callId is the property that, per definition, groups memberships into one call.
* @deprecated use `slotId` instead.
*/
public get callId(): string | undefined {
return this._callId;
return this.slotDescription?.id;
}
/**
* The slotId of the call.
* `{application}#{appSpecificId}`
* It can be undefined since the slotId is only known once the first membership joins.
* The slotId is the property that, per definition, groups memberships into one call.
*/
public get slotId(): string | undefined {
return this._slotId;
}
/**
* Returns all the call memberships for a room that match the provided `sessionDescription`,
* oldest first.
*
* @deprecated Use `MatrixRTCSession.sessionMembershipsForRoom` instead.
* @deprecated Use `MatrixRTCSession.sessionMembershipsForSlot` instead.
*/
public static callMembershipsForRoom(
room: Pick<Room, "getLiveTimeline" | "roomId" | "hasMembershipState">,
): CallMembership[] {
return MatrixRTCSession.sessionMembershipsForRoom(room, {
return MatrixRTCSession.sessionMembershipsForSlot(room, {
id: "",
application: "m.call",
});
}
/**
* Returns all the call memberships for a room that match the provided `sessionDescription`,
* oldest first.
* @deprecated use `MatrixRTCSession.slotMembershipsForRoom` instead.
*/
public static sessionMembershipsForRoom(
room: Pick<Room, "getLiveTimeline" | "roomId" | "hasMembershipState">,
sessionDescription: SessionDescription,
sessionDescription: SlotDescription,
): CallMembership[] {
return this.sessionMembershipsForSlot(room, sessionDescription);
}
/**
* Returns all the call memberships for a room that match the provided `sessionDescription`,
* oldest first.
*/
public static sessionMembershipsForSlot(
room: Pick<Room, "getLiveTimeline" | "roomId" | "hasMembershipState">,
slotDescription: SlotDescription,
): CallMembership[] {
const logger = rootLogger.getChild(`[MatrixRTCSession ${room.roomId}]`);
const roomState = room.getLiveTimeline().getState(EventTimeline.FORWARDS);
@@ -338,9 +366,9 @@ export class MatrixRTCSession extends TypedEventEmitter<
try {
const membership = new CallMembership(memberEvent, membershipData);
if (!deepCompare(membership.sessionDescription, sessionDescription)) {
if (!deepCompare(membership.slotDescription, slotDescription)) {
logger.info(
`Ignoring membership of user ${membership.sender} for a different session: ${JSON.stringify(membership.sessionDescription)}`,
`Ignoring membership of user ${membership.sender} for a different session: ${JSON.stringify(membership.slotDescription)}`,
);
continue;
}
@@ -379,26 +407,29 @@ export class MatrixRTCSession extends TypedEventEmitter<
* This method is an alias for `MatrixRTCSession.sessionForRoom` with
* sessionDescription `{ id: "", application: "m.call" }`.
*
* @deprecated Use `MatrixRTCSession.sessionForRoom` with sessionDescription `{ id: "", application: "m.call" }` instead.
* @deprecated Use `MatrixRTCSession.sessionForSlot` with sessionDescription `{ id: "", application: "m.call" }` instead.
*/
public static roomSessionForRoom(client: MatrixClient, room: Room): MatrixRTCSession {
const callMemberships = MatrixRTCSession.sessionMembershipsForRoom(room, { id: "", application: "m.call" });
const callMemberships = MatrixRTCSession.sessionMembershipsForSlot(room, { id: "", application: "m.call" });
return new MatrixRTCSession(client, room, callMemberships, { id: "", application: "m.call" });
}
/**
* @deprecated Use `MatrixRTCSession.sessionForSlot` instead.
*/
public static sessionForRoom(client: MatrixClient, room: Room, slotDescription: SlotDescription): MatrixRTCSession {
return this.sessionForSlot(client, room, slotDescription);
}
/**
* Return the MatrixRTC session for the room.
* This returned session can be used to find out if there are active sessions
* for the requested room and `sessionDescription`.
* for the requested room and `slotDescription`.
*/
public static sessionForRoom(
client: MatrixClient,
room: Room,
sessionDescription: SessionDescription,
): MatrixRTCSession {
const callMemberships = MatrixRTCSession.sessionMembershipsForRoom(room, sessionDescription);
public static sessionForSlot(client: MatrixClient, room: Room, slotDescription: SlotDescription): MatrixRTCSession {
const callMemberships = MatrixRTCSession.sessionMembershipsForSlot(room, slotDescription);
return new MatrixRTCSession(client, room, callMemberships, sessionDescription);
return new MatrixRTCSession(client, room, callMemberships, slotDescription);
}
/**
@@ -445,13 +476,13 @@ export class MatrixRTCSession extends TypedEventEmitter<
public memberships: CallMembership[],
/**
* The session description is used to define the exact session this object is tracking.
* A session is distinct from another session if one of those properties differ: `roomSubset.roomId`, `sessionDescription.application`, `sessionDescription.id`.
* A session is distinct from another session if one of those properties differ: `roomSubset.roomId`, `slotDescription.application`, `slotDescription.id`.
*/
public readonly sessionDescription: SessionDescription,
public readonly slotDescription: SlotDescription,
) {
super();
this.logger = rootLogger.getChild(`[MatrixRTCSession ${roomSubset.roomId}]`);
this._callId = memberships[0]?.sessionDescription.id;
this._slotId = memberships[0]?.slotId;
const roomState = this.roomSubset.getLiveTimeline().getState(EventTimeline.FORWARDS);
// TODO: double check if this is actually needed. Should be covered by refreshRoom in MatrixRTCSessionManager
roomState?.on(RoomStateEvent.Members, this.onRoomMemberUpdate);
@@ -497,7 +528,7 @@ export class MatrixRTCSession extends TypedEventEmitter<
* or optionally other room members homeserver well known.
* @param joinConfig - Additional configuration for the joined session.
*/
public joinRoomSession(fociPreferred: Focus[], fociActive?: Focus, joinConfig?: JoinSessionConfig): void {
public joinRoomSession(fociPreferred: Transport[], fociActive?: Transport, joinConfig?: JoinSessionConfig): void {
if (this.isJoined()) {
this.logger.info(`Already joined to session in room ${this.roomSubset.roomId}: ignoring join call`);
return;
@@ -508,8 +539,7 @@ export class MatrixRTCSession extends TypedEventEmitter<
joinConfig,
this.roomSubset,
this.client,
() => this.getOldestMembership(),
this.sessionDescription,
this.slotDescription,
this.logger,
);
@@ -608,12 +638,18 @@ export class MatrixRTCSession extends TypedEventEmitter<
}
/**
* Get the active focus from the current CallMemberState event
* Get the focus in use from a specific specified member.
* @param member The member for which to get the active focus. If undefined, the own membership is used.
* @returns The focus that is currently in use to connect to this session. This is undefined
* if the client is not connected to this session.
* @deprecated use `member.getTransport(session.getOldestMembership())` instead if you want to get the active transport for a specific member.
*/
public resolveActiveFocus(member: CallMembership): Focus | undefined {
return this.membershipManager?.resolveActiveFocus(member);
public resolveActiveFocus(member?: CallMembership): Transport | undefined {
const oldestMembership = this.getOldestMembership();
if (!oldestMembership) return undefined;
const m = member === undefined ? this.membershipManager?.ownMembership : member;
if (!m) return undefined;
return m.getTransport(oldestMembership);
}
public getOldestMembership(): CallMembership | undefined {
@@ -763,9 +799,9 @@ export class MatrixRTCSession extends TypedEventEmitter<
*/
private recalculateSessionMembers = (): void => {
const oldMemberships = this.memberships;
this.memberships = MatrixRTCSession.sessionMembershipsForRoom(this.room, this.sessionDescription);
this.memberships = MatrixRTCSession.sessionMembershipsForSlot(this.room, this.slotDescription);
this._callId = this._callId ?? this.memberships[0]?.sessionDescription.id;
this._slotId = this._slotId ?? this.memberships[0]?.slotId;
const changed =
oldMemberships.length != this.memberships.length ||

4
src/matrixrtc/MatrixRTCSessionManager.ts
View File

@@ -20,7 +20,7 @@ import { TypedEventEmitter } from "../models/typed-event-emitter.ts";
import { type Room } from "../models/room.ts";
import { type RoomState, RoomStateEvent } from "../models/room-state.ts";
import { type MatrixEvent } from "../models/event.ts";
import { MatrixRTCSession, type SessionDescription } from "./MatrixRTCSession.ts";
import { MatrixRTCSession, type SlotDescription } from "./MatrixRTCSession.ts";
import { EventType } from "../@types/event.ts";
export enum MatrixRTCSessionManagerEvents {
@@ -56,7 +56,7 @@ export class MatrixRTCSessionManager extends TypedEventEmitter<MatrixRTCSessionM
public constructor(
rootLogger: Logger,
private client: MatrixClient,
private readonly sessionDescription: SessionDescription = { id: "", application: "m.call" }, // Default to the Matrix Call application
private readonly sessionDescription: SlotDescription = { application: "m.call", id: "" }, // Default to the Matrix Call application
) {
super();
this.logger = rootLogger.getChild("[MatrixRTCSessionManager]");

108
src/matrixrtc/MembershipManager.ts
View File

@@ -15,17 +15,25 @@ limitations under the License.
*/
import { AbortError } from "p-retry";
import { EventType } from "../@types/event.ts";
import { EventType, RelationType } from "../@types/event.ts";
import { UpdateDelayedEventAction } from "../@types/requests.ts";
import type { MatrixClient } from "../client.ts";
import { ConnectionError, HTTPError, MatrixError } from "../http-api/errors.ts";
import { type Logger, logger as rootLogger } from "../logger.ts";
import { type Room } from "../models/room.ts";
import { type CallMembership, DEFAULT_EXPIRE_DURATION, type SessionMembershipData } from "./CallMembership.ts";
import { type Focus } from "./focus.ts";
import { isMyMembership, type RTCCallIntent, Status } from "./types.ts";
import { isLivekitFocusSelection } from "./LivekitFocus.ts";
import { type SessionDescription, type MembershipConfig, type SessionConfig } from "./MatrixRTCSession.ts";
import {
type CallMembership,
DEFAULT_EXPIRE_DURATION,
type RtcMembershipData,
type SessionMembershipData,
} from "./CallMembership.ts";
import { type Transport, isMyMembership, type RTCCallIntent, Status } from "./types.ts";
import {
type SlotDescription,
type MembershipConfig,
type SessionConfig,
slotDescriptionToId,
} from "./MatrixRTCSession.ts";
import { ActionScheduler, type ActionUpdate } from "./MembershipManagerActionScheduler.ts";
import { TypedEventEmitter } from "../models/typed-event-emitter.ts";
import { UnsupportedDelayedEventsEndpointError } from "../errors.ts";
@@ -36,7 +44,6 @@ import {
} from "./IMembershipManager.ts";
/* MembershipActionTypes:
On Join: ───────────────┐ ┌───────────────(1)───────────┐
▼ ▼ │
┌────────────────┐ │
@@ -170,17 +177,18 @@ export class MembershipManager
* Puts the MembershipManager in a state where it tries to be joined.
* It will send delayed events and membership events
* @param fociPreferred
* @param focusActive
* @param multiSfuFocus the active focus to use in the joined RTC membership event. Setting this implies the
* membership manager will use multi sfu. Use `undefined` to not use `oldest_membership` selection based sfu.
* @param onError This will be called once the membership manager encounters an unrecoverable error.
* This should bubble up the the frontend to communicate that the call does not work in the current environment.
*/
public join(fociPreferred: Focus[], focusActive?: Focus, onError?: (error: unknown) => void): void {
public join(fociPreferred: Transport[], multiSfuFocus?: Transport, onError?: (error: unknown) => void): void {
if (this.scheduler.running) {
this.logger.error("MembershipManager is already running. Ignoring join request.");
return;
}
this.fociPreferred = fociPreferred;
this.focusActive = focusActive;
this.rtcTransport = multiSfuFocus;
this.leavePromiseResolvers = undefined;
this.activated = true;
this.oldStatus = this.status;
@@ -266,18 +274,6 @@ export class MembershipManager
return Promise.resolve();
}
public resolveActiveFocus(member: CallMembership): Focus | undefined {
const data = member.getFocusActive();
if (isLivekitFocusSelection(data) && data.focus_selection === "oldest_membership") {
const oldestMembership = this.getOldestMembership();
if (member === oldestMembership) return member.getPreferredFoci()[0];
if (oldestMembership !== undefined) return this.resolveActiveFocus(oldestMembership);
} else {
// This is a fully resolved focus config
return data;
}
}
public async updateCallIntent(callIntent: RTCCallIntent): Promise<void> {
if (!this.activated || !this.ownMembership) {
throw Error("You cannot update your intent before joining the call");
@@ -295,7 +291,6 @@ export class MembershipManager
* @param joinConfig
* @param room
* @param client
* @param getOldestMembership
*/
public constructor(
private joinConfig: (SessionConfig & MembershipConfig) | undefined,
@@ -308,8 +303,7 @@ export class MembershipManager
| "_unstable_sendDelayedStateEvent"
| "_unstable_updateDelayedEvent"
>,
private getOldestMembership: () => CallMembership | undefined,
public readonly sessionDescription: SessionDescription,
public readonly slotDescription: SlotDescription,
parentLogger?: Logger,
) {
super();
@@ -318,7 +312,7 @@ export class MembershipManager
if (userId === null) throw Error("Missing userId in client");
if (deviceId === null) throw Error("Missing deviceId in client");
this.deviceId = deviceId;
this.stateKey = this.makeMembershipStateKey(userId, deviceId);
this.memberId = this.makeMembershipStateKey(userId, deviceId);
this.state = MembershipManager.defaultState;
this.callIntent = joinConfig?.callIntent;
this.scheduler = new ActionScheduler((type): Promise<ActionUpdate> => {
@@ -364,9 +358,10 @@ export class MembershipManager
}
// Membership Event static parameters:
private deviceId: string;
private stateKey: string;
private fociPreferred?: Focus[];
private focusActive?: Focus;
private memberId: string;
/** @deprecated This will be removed in favor or rtcTransport becoming a list of actively used transports */
private fociPreferred?: Transport[];
private rtcTransport?: Transport;
// Config:
private delayedLeaveEventDelayMsOverride?: number;
@@ -399,6 +394,9 @@ export class MembershipManager
private get delayedLeaveEventRestartLocalTimeoutMs(): number {
return this.joinConfig?.delayedLeaveEventRestartLocalTimeoutMs ?? 2000;
}
private get useRtcMemberFormat(): boolean {
return this.joinConfig?.useRtcMemberFormat ?? false;
}
// LOOP HANDLER:
private async membershipLoopHandler(type: MembershipActionType): Promise<ActionUpdate> {
switch (type) {
@@ -467,7 +465,7 @@ export class MembershipManager
},
EventType.GroupCallMemberPrefix,
{}, // leave event
this.stateKey,
this.memberId,
)
.then((response) => {
this.state.expectedServerDelayLeaveTs = Date.now() + this.delayedLeaveEventDelayMs;
@@ -654,7 +652,7 @@ export class MembershipManager
this.room.roomId,
EventType.GroupCallMemberPrefix,
this.makeMyMembership(this.membershipEventExpiryMs),
this.stateKey,
this.memberId,
)
.then(() => {
this.setAndEmitProbablyLeft(false);
@@ -700,7 +698,7 @@ export class MembershipManager
this.room.roomId,
EventType.GroupCallMemberPrefix,
this.makeMyMembership(this.membershipEventExpiryMs * nextExpireUpdateIteration),
this.stateKey,
this.memberId,
)
.then(() => {
// Success, we reset retries and schedule update.
@@ -724,7 +722,7 @@ export class MembershipManager
}
private async sendFallbackLeaveEvent(): Promise<ActionUpdate> {
return await this.client
.sendStateEvent(this.room.roomId, EventType.GroupCallMemberPrefix, {}, this.stateKey)
.sendStateEvent(this.room.roomId, EventType.GroupCallMemberPrefix, {}, this.memberId)
.then(() => {
this.resetRateLimitCounter(MembershipActionType.SendLeaveEvent);
this.state.hasMemberStateEvent = false;
@@ -739,7 +737,7 @@ export class MembershipManager
// HELPERS
private makeMembershipStateKey(localUserId: string, localDeviceId: string): string {
const stateKey = `${localUserId}_${localDeviceId}_${this.sessionDescription.application}${this.sessionDescription.id}`;
const stateKey = `${localUserId}_${localDeviceId}_${this.slotDescription.application}${this.slotDescription.id}`;
if (/^org\.matrix\.msc(3757|3779)\b/.exec(this.room.getVersion())) {
return stateKey;
} else {
@@ -750,24 +748,42 @@ export class MembershipManager
/**
* Constructs our own membership
*/
private makeMyMembership(expires: number): SessionMembershipData {
const hasPreviousEvent = !!this.ownMembership;
private makeMyMembership(expires: number): SessionMembershipData | RtcMembershipData {
const ownMembership = this.ownMembership;
if (this.useRtcMemberFormat) {
const relationObject = ownMembership?.eventId
? { "m.relation": { rel_type: RelationType.Reference, event_id: ownMembership?.eventId } }
: {};
return {
// TODO: use the new format for m.rtc.member events where call_id becomes session.id
"application": this.sessionDescription.application,
"call_id": this.sessionDescription.id,
"scope": "m.room",
"device_id": this.deviceId,
expires,
"m.call.intent": this.callIntent,
...(this.focusActive === undefined
application: { type: this.slotDescription.application, id: this.slotDescription.id },
slot_id: slotDescriptionToId(this.slotDescription),
rtc_transports: this.rtcTransport ? [this.rtcTransport] : [],
member: { device_id: this.deviceId, user_id: this.client.getUserId()!, id: this.memberId },
versions: [],
...relationObject,
};
} else {
const focusObjects =
this.rtcTransport === undefined
? {
focus_active: { type: "livekit", focus_selection: "oldest_membership" } as const,
foci_preferred: this.fociPreferred ?? [],
}
: { focus_active: this.focusActive }),
...(hasPreviousEvent ? { created_ts: this.ownMembership?.createdTs() } : undefined),
: {
focus_active: { type: "livekit", focus_selection: "multi_sfu" } as const,
foci_preferred: [this.rtcTransport, ...(this.fociPreferred ?? [])],
};
return {
"application": this.slotDescription.application,
"call_id": this.slotDescription.id,
"scope": "m.room",
"device_id": this.deviceId,
expires,
"m.call.intent": this.callIntent,
...focusObjects,
...(ownMembership !== undefined ? { created_ts: ownMembership.createdTs() } : undefined),
};
}
}
// Error checks and handlers

25
src/matrixrtc/focus.ts
View File

@@ -1,25 +0,0 @@
/*
Copyright 2023 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* Information about a MatrixRTC conference focus. The only attribute that
* the js-sdk (currently) knows about is the type: applications can extend
* this class for different types of focus.
*/
export interface Focus {
type: string;
[key: string]: unknown;
}

1
src/matrixrtc/index.ts
View File

@@ -15,7 +15,6 @@ limitations under the License.
*/
export * from "./CallMembership.ts";
export type * from "./focus.ts";
export * from "./LivekitFocus.ts";
export * from "./MatrixRTCSession.ts";
export * from "./MatrixRTCSessionManager.ts";

8
src/matrixrtc/types.ts
View File

@@ -156,3 +156,11 @@ export type Statistics = {
export const isMyMembership = (m: CallMembership, userId: string, deviceId: string): boolean =>
m.sender === userId && m.deviceId === deviceId;
/**
* A RTC transport is a JSON object that describes how to connect to a RTC member.
*/
export interface Transport {
type: string;
[key: string]: unknown;
}

2
src/models/room-member.ts
View File

@@ -388,7 +388,7 @@ export class RoomMember extends TypedEventEmitter<RoomMemberEvent, RoomMemberEve
}
}
const MXID_PATTERN = /@.+:.+/;
export const MXID_PATTERN = /@[^@:]+:[^@:]+/;
const LTR_RTL_PATTERN = /[\u200E\u200F\u202A-\u202F]/;
function shouldDisambiguate(selfUserId: string, displayName?: string, roomState?: RoomState): boolean {