ibapi 3.0.1

A Rust implementation of the Interactive Brokers TWS API, providing a reliable and user friendly interface for TWS and IB Gateway. Designed with a focus on simplicity and performance.
Documentation 
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use crate::messages::{IncomingMessages, ResponseMessage};
use crate::scanner::common::decoders;
use crate::scanner::common::encoders;
use crate::scanner::ScannerData;
use crate::subscriptions::{DecoderContext, StreamDecoder};
use crate::Error;

impl StreamDecoder<Vec<ScannerData>> for Vec<ScannerData> {
    const RESPONSE_MESSAGE_IDS: &'static [IncomingMessages] = &[IncomingMessages::ScannerData, IncomingMessages::Error];

    fn decode(_context: &DecoderContext, message: &mut ResponseMessage) -> Result<Vec<ScannerData>, Error> {
        match message.message_type() {
            IncomingMessages::ScannerData => decoders::decode_scanner_message(message),
            IncomingMessages::Error => Err(Error::from(message.clone())),
            _ => Err(Error::unexpected_response(message)),
        }
    }

    fn cancel_message(_server_version: i32, request_id: Option<i32>, _context: Option<&DecoderContext>) -> Result<Vec<u8>, Error> {
        let request_id = request_id.expect("Request ID required to encode cancel scanner subscription.");
        encoders::encode_cancel_scanner_subscription(request_id)
    }
}

#[cfg(test)]
#[path = "stream_decoders_tests.rs"]
mod tests;