static void sig_handler(int sig_no, siginfo_t *pt_siginfo, void *p_ucontext)
{
int ret;
if (SIGINT==sig_no)
{
the_working_paras.need_exit = 1;
alarm(0);
}
else if (SIGALRM==sig_no)
{
alarm(the_working_paras.snd_interval);
INC_STAT(the_stat_data.tx_pkts_total);
INC_STAT_VALUE(the_stat_data.tx_bytes_total, the_working_paras.snd_data_len);
if (!the_working_paras.no_verbose)
{
printf("[%"PRIu64"]try send %d bytes to %s:%d\n"
,the_stat_data.tx_pkts_total
,the_working_paras.snd_data_len
,the_working_paras.dst_ip
,(int)the_working_paras.dst_port);
}
ret=write_certain_bytes(the_working_paras.sockfd
, the_working_paras.snd_buf
, the_working_paras.snd_data_len
, NULL);
if (0==ret)
{
INC_STAT(the_stat_data.tx_pkts_succ);
INC_STAT_VALUE(the_stat_data.tx_bytes_succ, the_working_paras.snd_data_len);
}
else
{
INC_STAT(the_stat_data.tx_pkts_fail);
INC_STAT_VALUE(the_stat_data.tx_bytes_fail, the_working_paras.snd_data_len);
if (!the_working_paras.no_verbose)
ERR_DBG_PRINT("tx failed");
the_working_paras.need_exit = 1;
alarm(0);
}
}
}
static void trans_data_sock2pty()
{
char buf[512];
int ret;
ret=read_reliable(fd_conn, buf, sizeof(buf));
// DBG_PRINT("ret=%d", ret);
if (ret<=0)
{
term_session();
return;
}
remove_iacs((void *)buf, ret, &ret);
if (ret>0)
write_certain_bytes(fd_pty_master, buf, ret);
//for (i=0;i<ret;i++)
// DBG_PRINT("%02hhx-%c", buf[i], buf[i]);
}
void snd_iac(int sockfd, char cmd, char opt)
{
char data[3] = {IAC, cmd, opt};
write_certain_bytes(sockfd, data, sizeof(data));
}
static void refresh_shell_buf_display()
{
printf_to_fd(1, "\r%s", DEBUG_SHELL_HINT);
write_certain_bytes(1, shell_buf, shell_buf_cur_len);
}
