Implement Janus SDK #347
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Implement Janus SDK #347
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* Introduces `Connection` class to handle WebSocket connections. * Defines connection states (connecting, connected, closing, closed) and exposes getters. * Implements event listeners for connection state changes and messages. * Creates `TransactionManager` class to manage transactions over the connection. * Enables queuing transactions when the connection is unavailable. * Binds `TransactionManager` to the `Connection` for message handling. This commit is part of a major change to support reliable communication and transaction management.
* Introduces `isSipError`, `isSipHangupEvent`, `isSIPIncomingCallMessage`, `isSIPCallAcceptedEvent`, and `isSipRingingEvent` functions in `janus.ts` to identify specific Janus response types for SIP events. * Adds a `deferredPromise` function in `promise.ts` to create deferred promises for asynchronous operations. These functions enhance code readability and provide flexible promise control for improved message and task management.
* Includes eventemitter3 for event management within the connection class. This dependency provides a robust event system for the WebSocket connection.
* Introduces `KeepAliveAgent` class to maintain connection health. * Utilizes `Connection` and `transactionManager` for communication. * Sends periodic keep-alive transactions (default 10 seconds) to the server. * Monitors connection state and restarts keep-alive on reconnection. * Implements failure handling with a configurable retry mechanism. This feature ensures the connection remains active and facilitates reliable communication.
* Introduces `SIPRegistrationAgent` class to handle SIP registration. * Interacts with `Connection`, `transactionManager`, and `Handler` for communication. * Manages registration state (`unregistered`, `registering`, `registered`, `error`). * Sends SIP registration transactions using `transactionManager`. * Handles registration responses, updating state and triggering events. * Implements error handling and signaling through events. * Includes a placeholder for `unregister()` for future implementation. This feature enables automatic SIP registration with error handling and event notifications.
* Introduces `Call` class to represent SIP calls. * Manages call states (new, connecting, ringing, active, held, done). * Handles incoming and outbound call scenarios. * Provides methods for answering, hanging up, and getting call stats (placeholder). * Includes functionality for setting Telnyx call control IDs. feat: implement call-agent for handling sip call interactions * Introduces `CallAgent` class for managing SIP call flow. * Creates and manages `Call` instances for incoming and outgoing calls. * Interacts with `Connection`, `Peer`, `TransactionManager`, and `Handler`. * Handles incoming call events (`SIPIncomingCallMessage`). * Handles SIP hangup events (`JanusSIPHangupEvent`). * Handles SIP call accepted events (`JanusSIPCallAcceptedEvent`). * Triggers events (`SwEvent.Notification`) for call updates. * Implements audio handling for ringtones and ringback tones. feat: Implement Peer class for WebRTC peer connections * Introduces `Peer` class to handle WebRTC peer connections for calls. * Supports creating offer and answer peers based on call options. * Handles local media stream acquisition with constraints. * Manages adding media tracks to the peer connection. * Provides methods for handling ICE trickles and negotiation needed events. * Implements methods for setting remote SDP and closing the connection. * Triggers events (`SwEvent.MediaError`) for media acquisition failures. feat: Implement ICETrickleTransaction for sending ICE candidates * Introduces `ICETrickleTransaction` to send ICE candidates to Janus. * Constructs a Janus `trickle` request with candidate information. * Handles success and error responses from Janus on message received. feat: Implement SIPAnswerTransaction for sending SIP answer * Introduces `SIPAnswerTransaction` for sending SIP answer messages. * Constructs a Janus `message` request with answer SDP and other details. * Handles success (`isSIPCallAcceptedEvent`) and error (`isSipError`) responses. * Resolves with call ID on successful SIP answer reception. feat: Implement SIPCallTransaction for initiating SIP calls * Introduces `SIPCallTransaction` for initiating SIP calls via Janus. * Constructs a Janus `message` request with call details, URI, and SDP. * Handles success (`isSipRingingEvent`) and error (`isSipError`) responses. * Resolves with call ID, Telnyx IDs, on successful SIP call initiation. feat: Implement SIPHangupTransaction for terminating SIP calls * Introduces `SIPHangupTransaction` for sending SIP hangup messages. * Constructs a Janus `message` request with the hangup request. * Handles success (`janus === ack`) and error (`janus === error`) responses. * Resolves with `true` on successful SIP hangup.
* Introduces JanusClient class as the central component for SIP calls. * Manages connection to Janus server, plugin attachment, and SIP registration. * Handles call creation and management through CallAgent. * Provides methods for connecting, making calls, getting calls, and setting remote media element. * Includes event handling for listening to call events. * Implements stubs for enabling/disabling webcam and disconnection (to be completed). BREAKING CHANGE: Introduces a new class for core functionality, potentially affecting code organization and usage.
farhat-ha
requested review from
DeividVeloso,
a team,
ericaprieto,
lmao12,
jonathan-telnyx and
priscillasantana
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https://telnyx.atlassian.net/browse/TELAPPS-4802
This PR is easier to review by commit
Describe your changes
Impement janus client
📝 To Do
✋ Manual testing
🦊 Browser testing
Desktop
📸 Screenshots