digdigdig3 0.1.19

Unified async Rust API for 44 exchange connectors — crypto, stocks, forex. REST + WebSocket.
Documentation 
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//! # Interactive Brokers WebSocket Connector
//!
//! WebSocket support for real-time streaming from IB Client Portal Web API.
//!
//! IB WebSocket uses text-based subscription format:
//! - Market data: `smd+{conid}+{"fields":["31","84","86"]}`
//! - Order updates: `sor+{}`
//! - Account updates: `acc+{}`
//!
//! ## Note
//! This is a placeholder implementation. Full WebSocket support will be added in a future update.

use crate::core::types::{ExchangeError, ExchangeResult};

/// IB WebSocket connector
pub struct IBWebSocket {
    /// WebSocket URL
    ws_url: String,
}

impl IBWebSocket {
    /// Create new WebSocket connector
    pub fn new(ws_url: impl Into<String>) -> Self {
        Self {
            ws_url: ws_url.into(),
        }
    }

    /// Connect to WebSocket (placeholder)
    pub async fn connect(&self) -> ExchangeResult<()> {
        Err(ExchangeError::UnsupportedOperation(
            "WebSocket support not yet fully implemented".to_string(),
        ))
    }

    /// Subscribe to market data (placeholder)
    pub async fn subscribe_market_data(&self, _conid: i64) -> ExchangeResult<()> {
        Err(ExchangeError::UnsupportedOperation(
            "WebSocket support not yet fully implemented".to_string(),
        ))
    }

    /// Subscribe to order updates (placeholder)
    pub async fn subscribe_orders(&self) -> ExchangeResult<()> {
        Err(ExchangeError::UnsupportedOperation(
            "WebSocket support not yet fully implemented".to_string(),
        ))
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_websocket_creation() {
        let ws = IBWebSocket::new("wss://localhost:5000/v1/api/ws");
        assert_eq!(ws.ws_url, "wss://localhost:5000/v1/api/ws");
    }
}