Module ws_client 

WebSocket client module.

Provides asynchronous WebSocket connection management, subscription handling, and heartbeat maintenance for cryptocurrency exchange streaming APIs.

Observability

This module uses the tracing crate for structured logging. Key events:

• Connection establishment and disconnection
• Subscription and unsubscription events with stream names
• Message parsing failures with raw message preview (truncated)
• Reconnection attempts and outcomes
• Ping/pong heartbeat events

Structs

AutoReconnectCoordinator

Automatic reconnection coordinator for WebSocket connections.

Subscription

WebSocket subscription metadata.

WsClient

Async WebSocket client for exchange streaming APIs.

WsConfig

WebSocket connection configuration.

WsStats

WebSocket connection statistics.

Enums

WsConnectionState

WebSocket connection state.

WsEvent

WebSocket connection event types.

WsMessage

WebSocket message types for exchange communication.

Type Aliases

WsEventCallback

Event callback function type.