mirror of
https://github.com/simplex-chat/simplex-chat.git
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68 lines
1.6 KiB
Text
68 lines
1.6 KiB
Text
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sequenceDiagram
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participant AW as Alice's<br>web view
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participant AN as Alice's<br>app native
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participant AC as Alice's<br>chat core
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participant BC as Bob's<br>chat core
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participant BN as Bob's<br>app native
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participant BW as Bob's<br>web view
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note over AW, AC: Alice's app
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note over BC, BW: Bob's app
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note over AW, BW: 1. Establishing call
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note over AN: user: start call
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AN ->> AW: WCCapabilities
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AW ->> AN: WRCapabilities (e2e?)
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AN ->> AC: APISendCallInvitation
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AC -->> BC: XCallInv
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AC ->> AN: CRCmdOk
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BC ->> BN: CRCallInvitation
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note over BN: show: accept call?
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alt user accepted?
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BN ->> BC: no: APIRejectCall<br>(sender not notified)
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BC ->> BN: CRCmdOk
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else
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BN ->> BW: yes: WCStartCall
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BW ->> BN: WCallOffer
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end
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BN ->> BC: APISendCallOffer
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BC -->> AC: XCallOffer
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BC ->> BN: CRCmdOk
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AC ->> AN: CRCallOffer
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note over AN: show if no e2e: continue call?
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AN ->> AW: WCallOffer
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AW ->> AN: WCallAnswer
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AN ->> AC: APISendCallAnswer
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AC -->> BC: XCallAnswer
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AC ->> AN: CRCmdOk
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BC ->> BN: CRCallAnswer
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BN ->> BW: WCallAnswer
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note over AW, BW: call can be established at this point
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note over AW, BW: 2. Sending additional ice candidates<br>(optional, same for another side):
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BW ->> BN: WCallICE
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BN ->> BC: APISendCallExtraInfo
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BC -->> AC: XCallExtra
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BC ->> BN: CRCmdOk
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AC ->> AN: CRCallExtraInfo
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AN ->> AW: WCallICE
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note over AW, BW: 3. Call termination (same for another party):
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note over AN: user: end call
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AN ->> AW: WEndCall
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AN ->> AC: APIEndCall
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AC -->> BC: XCallEnd
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AC ->> AN: CRCmdOk
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BC ->> BN: CRCallEnded
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note over BN: show: call ended
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BN ->> BW: WEndCall
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