Method allocateRTTPorts

src/common.ts:412–457

(cfg: RTTConfiguration, startPort: number = 60000)

    // a multiple clients connect to the same channel. Perhaps in the future
    // it wil
    public allocateRTTPorts(cfg: RTTConfiguration, startPort: number = 60000): Promise<any> {
        this.allocDone = true;
        if (!cfg || !cfg.enabled || !cfg.decoders || cfg.decoders.length === 0) {
            return Promise.resolve();
        }

        // Remember that you can have duplicate decoder ports. ie, multiple decoders looking at the same port
        // while mostly not allowed, it could be in the future. Handle it here but disallow on a case by case
        // basis depending on the gdb-server type
        const dummy = '??';
        for (const dec of cfg.decoders) {
            if (dec.ports && (dec.ports.length > 0)) {
                dec.tcpPorts = [];
                for (const p of dec.ports) {
                    this.rttLocalPortMap[p] = dummy;
                }
            } else {
                this.rttLocalPortMap[dec.port] = dummy;
            }
        }

        const count = Object.keys(this.rttLocalPortMap).length;
        const portFinderOpts = { min: startPort, max: startPort + 2000, retrieve: count, consecutive: false };
        return TcpPortScanner.findFreePorts(portFinderOpts, GDBServer.LOCALHOST).then((ports) => {
            for (const dec of cfg.decoders) {
                if (dec.ports && (dec.ports.length > 0)) {
                    dec.tcpPorts = [];
                    for (const p of dec.ports) {
                        let str = this.rttLocalPortMap[p];
                        if (str === dummy) {
                            str = ports.shift().toString();
                            this.rttLocalPortMap[p] = str;
                        }
                        dec.tcpPorts.push(str);
                    }
                } else {
                    let str = this.rttLocalPortMap[dec.port];
                    if (str === dummy) {
                        str = ports.shift().toString();
                        this.rttLocalPortMap[dec.port] = str;
                    }
                    dec.tcpPort = str;
                }
            }
        });
    }

    public emitConfigures(cfg: RTTConfiguration, obj: EventEmitter): boolean {
        let ret = false;