uint8_t
sms77_send(char *status)
{
/* Transmission taking action */
if (sms77_tmp_buf) return 0;
uint8_t len = strlen(status);
if (len > 160) {
SMSDEBUG("message too long: cropping");
len = 160;
}
sms77_tmp_buf = malloc(160);
if (!sms77_tmp_buf) return 0;
memcpy(sms77_tmp_buf, status, len);
sms77_tmp_buf[len] = 0;
uip_ipaddr_t *ipaddr;
if (!(ipaddr = resolv_lookup(CONF_SMS77_SERVICE))) {
resolv_query(CONF_SMS77_SERVICE, sms77_dns_query_cb);
} else {
sms77_dns_query_cb(NULL, ipaddr);
}
return 1;
}
int16_t parse_cmd_user (char *cmd, char *output, uint16_t len)
{
SMSDEBUG ("username\n");
while (*cmd == ' ')
cmd++;
if (*cmd != '\0') {
memset(sms77_user, 0, SMS77_VALUESIZE);
memcpy(sms77_user, cmd, SMS77_VALUESIZE);
eeprom_save(sms77_username, cmd, strlen(cmd));
eeprom_update_chksum();
SMSDEBUG ("set new : %s\n",cmd);
return ECMD_FINAL_OK;
}
else {
SMSDEBUG ("get current : %s\n ",sms77_user);
return ECMD_FINAL(snprintf_P(output, len, PSTR("%s"), sms77_user));
}
}
static void
sms77_dns_query_cb(char *name, uip_ipaddr_t *ipaddr) {
SMSDEBUG("got dns response, connecting\n");
if(!uip_connect(ipaddr, HTONS(80), sms77_net_main)) {
if (sms77_tmp_buf) {
free(sms77_tmp_buf);
sms77_tmp_buf = NULL;
}
}
}
static void
sms77_net_main(void)
{
if (uip_aborted() || uip_timedout()) {
SMSDEBUG ("connection aborted\n");
if (sms77_tmp_buf) {
free(sms77_tmp_buf);
sms77_tmp_buf = NULL;
}
return;
}
if (uip_closed()) {
SMSDEBUG ("connection closed\n");
if (sms77_tmp_buf) {
free(sms77_tmp_buf);
sms77_tmp_buf = NULL;
}
return;
}
if (uip_connected() || uip_rexmit()) {
SMSDEBUG ("new connection or rexmit, sending message\n");
char *p = uip_appdata;
p += sprintf(p, "GET /?u=%s&p=%s&to=%s&type=%s&text=", sms77_user, sms77_pass, sms77_recv, sms77_type);
p += urlencode(sms77_tmp_buf, strlen(sms77_tmp_buf), p);
p += sprintf_P(p, sms77_secheader);
uip_udp_send(p - (char *)uip_appdata);
SMSDEBUG("send %d bytes\n", p - (char *)uip_appdata);
}
if (uip_acked()) {
uip_close();
}
if (uip_newdata())
SMSDEBUG("data: %s\n", uip_appdata);
}