Method loop

libapp2sys/src/main/cpp/localsocket.h:119–211

#lizard forgives

    // #lizard forgives
    int loop(const int isServer) {
        fd_set fdset;
        FD_ZERO(&fdset);
        FD_SET(m_fd, &fdset);
        FD_SET(m_pipefd[0], &fdset);
        int maxfd = m_fd;

        pdbg("loop, m_fd:%d, maxfd:%d, isServer:%d", m_fd, maxfd, isServer);

        while (m_fd) {
            const int64_t startTime = getMillisecond();

            SendPack *sendPack = m_sendQueue.front();
            if (sendPack && checkCanWrite(sendPack->fd)) {

                int ret = send(sendPack->fd, sendPack->data + sendPack->offset, sendPack->len - sendPack->offset, 0);

                if (ret < 0) {
                    perr("loop, send failed, fd:%d, m_fd:%d", sendPack->fd, m_fd);
                    if (sendPack->fd == m_fd) { //client
                        notifyError(sendPack->fd);
                        break;
                    } else {//server
                        m_sendQueue.pop();
                        delete[] sendPack->data;
                        FD_CLR(sendPack->fd, &fdset);
                        notifyError(sendPack->fd);
                        delete sendPack;
                        continue;
                    }
                }

                if (ret > 0) {
                    sendPack->offset += ret;
                }

                if (sendPack->offset == sendPack->len) {//this sendPack finish
                    m_sendQueue.pop();
                    pdbg("loop, send sendPack finish, ret:%d, fd:%d, len:%d, offset:%d, queue:%d, costtime:%d ", ret, sendPack->fd, sendPack->len, sendPack->offset,
                         m_sendQueue.size(), TOINT(getMillisecond() - startTime) );
                    delete[] sendPack->data;
                    delete sendPack;
                } else {
                    pdbg("loop, send, ret:%d, fd:%d, len:%d, offset:%d, queue:%d, costtime:%d ", ret, sendPack->fd, sendPack->len, sendPack->offset,
                         m_sendQueue.size(), TOINT(getMillisecond() - startTime) );
                }
            }
            struct timeval timeout;
            timeout.tv_sec = 1;
            timeout.tv_usec = 0;
            fd_set tmpSet = fdset;
            int selectRet = select(maxfd + 1, &tmpSet, NULL, NULL, &timeout);
            if (selectRet == -1 && errno != EINTR) {
                pdbg("loop, select errno:%d", errno);
                continue;
            } else if (selectRet == 0) {
                continue;
            } else {