Method toString

libapp2sys/src/main/cpp/udp.h:147–152

        std::queue<UdpPkg *> dataQueue;

        std::string toString() {
            char buf[512];
            sprintf(buf, "S[%x %s %s s:%d q:%d syn:%s fin:%s]", TOINT(this) , sockaddrToString(toaddr).c_str(), getStatus(status), seq,
                    (int)dataQueue.size(), synTimeoutEvent.toString().c_str(), finTimeoutEvent.toString().c_str());
            return (std::string) buf;
        }
    } Sender;

    typedef struct Receiver {