Method createRTTSource

src/frontend/extension.ts:794–816

(e: vscode.DebugSessionCustomEvent, tcpPort: string, channel: number)

    // The returned value is a connection source. It may still be in disconnected
    // state.
    private createRTTSource(e: vscode.DebugSessionCustomEvent, tcpPort: string, channel: number): Promise<SocketRTTSource> {
        const mySession = CDebugSession.GetSession(e.session);
        return new Promise((resolve, reject) => {
            let src = mySession.rttPortMap[channel];
            if (src) {
                resolve(src);
                return;
            }
            if (mySession.config.servertype === 'jlink') {
                src = new JLinkSocketRTTSource(tcpPort, channel);
            } else {
                src = new SocketRTTSource(tcpPort, channel);
            }
            mySession.rttPortMap[channel] = src;     // Yes, we put this in the list even if start() can fail
            resolve(src);                            // Yes, it is okay to resolve it even though the connection isn't made yet
            src.start().then(() => {
                mySession.session.customRequest('rtt-poll');
            }).catch((e) => {
                vscode.window.showErrorMessage(`Could not connect to RTT TCP port ${tcpPort} ${e}`);
                // reject(e);
            });
        });
    }

    private cleanupRTTTerminals() {
        this.rttTerminals = this.rttTerminals.filter((t) => {