void
tcp_init_iss (void)
{
SYSTIM now;
#ifdef SUPPORT_ETHER
T_IF_SOFTC *ic;
ic = IF_ETHER_NIC_GET_SOFTC();
syscall(get_tim(&now));
net_srand(now + (ic->ifaddr.lladdr[2] << 24)
+ (ic->ifaddr.lladdr[3] << 16)
+ (ic->ifaddr.lladdr[4] << 8)
+ (ic->ifaddr.lladdr[5] ));
#else /* of #ifdef SUPPORT_ETHER */
syscall(get_tim(&now));
net_srand(now);
#endif /* of #ifdef SUPPORT_ETHER */
tcp_iss = net_rand();
}
void
udp_echo_cli_task (intptr_t exinf)
{
static char msg[sizeof(MESSAGE_FORMAT)] = MESSAGE_FORMAT;
T_IN_ADDR addr;
ID tskid, cepid;
ER error = E_OK;
char *line, *p;
int_t rep;
uint32_t count, msgno;
uint16_t portno;
#ifdef USE_UDP_EXTENTIONS
T_UDP_CCEP ccep;
#endif /* of #ifdef USE_UDP_EXTENTIONS */
get_tid(&tskid);
syslog(LOG_NOTICE, "[UDP ECHO CLI:%d,%d] started.", tskid, (ID)exinf);
while (true) {
if (rcv_dtq(DTQ_UDP_ECHO_CLI, (intptr_t*)&line) == E_OK) {
#ifdef USE_UDP_EXTENTIONS
ccep.cepatr = UINT_C(0);
ccep.myaddr.portno = UDP_PORTANY;
#if defined(SUPPORT_INET4)
ccep.myaddr.ipaddr = IPV4_ADDRANY;
#endif
#if defined(SUPPORT_INET6)
memcpy(&ccep.myaddr.ipaddr, &ipv6_addrany, sizeof(T_IN6_ADDR));
#endif
#ifdef USE_UDP_NON_BLOCKING
ccep.callback = (FP)callback_nblk_udp_echo_cli;
#else
ccep.callback = NULL;
#endif
if ((error = alloc_udp_cep(&cepid, tskid, &ccep)) != E_OK) {
syslog(LOG_NOTICE, "[UEC:%02d TSK] CEP create error: %s", cepid, itron_strerror(error));
continue;
}
#else /* of #ifdef USE_UDP_EXTENTIONS */
cepid = (ID)exinf;
#endif /* of #ifdef USE_UDP_EXTENTIONS */
line = skip_blanks(GET_IPADDR(&addr, skip_blanks(line))); /* IP Address */
if ('0' <= *line && *line <= '9') { /* Port No */
line = get_int(&rep, line);
portno = (uint16_t)rep;
}
else {
line ++;
portno = ECHO_SRV_PORTNO;
}
line = skip_blanks(line);
if ('0' <= *line && *line <= '9') { /* Repeat */
line = get_int(&rep, line);
if (rep > 1000000)
rep = 1000000;
udp_echo_cli_valid = true;
for (count = 0; count ++ < rep; ) {
if (!udp_echo_cli_valid) {
syslog(LOG_NOTICE, "[UEC:%02d TSK] canceled.", cepid);
break;
}
p = &msg[sizeof(MESSAGE_FORMAT)] - 1;
for (msgno = count; msgno > 0; msgno /= 10)
*(-- p) = msgno % 10 + '0';
while (*(p - 2) != 'G')
*(-- p) = ' ';
if ((error = send_udp_echo(cepid, &addr, portno, msg)) != E_OK)
break;
dly_tsk(10 * SYSTIM_HZ + net_rand() % (10 * SYSTIM_HZ));
}
}
else /* Single Message */
error = send_udp_echo(cepid, &addr, portno, line);
if (error != E_OK)
syslog(LOG_NOTICE, "[UEC:%02d TSK] error: %s", cepid, itron_strerror(error));
#ifdef USE_UDP_EXTENTIONS
if ((error = free_udp_cep(cepid, !(error == E_NOEXS || error == E_DLT))) != E_OK)
syslog(LOG_NOTICE, "[UEC:%02d TSK] CEP delete error: %s", cepid, itron_strerror(error));
#endif /* of #ifdef USE_UDP_EXTENTIONS */
}
}
}
