uint8_t
httplog(char status[140] )
{
/* Transmission taking action */
if (httplog_tmp_buf) return 0;
uint8_t len = strlen(status);
if (len > 140) {
HTTPLOG_DEBUG("message too long: cropping");
len = 140;
}
httplog_tmp_buf = malloc(140);
if (!httplog_tmp_buf) return 0;
memcpy(httplog_tmp_buf, status, len);
httplog_tmp_buf[len] = 0;
uip_ipaddr_t *ipaddr;
if (!(ipaddr = resolv_lookup(CONF_HTTPLOG_SERVICE))) {
resolv_query(CONF_HTTPLOG_SERVICE, httplog_dns_query_cb);
} else {
httplog_dns_query_cb(NULL, ipaddr);
}
return 1;
}
static void
httplog_net_main(void)
{
if (uip_aborted() || uip_timedout())
{
HTTPLOG_DEBUG("connection aborted\n");
goto end;
}
if (uip_closed())
{
HTTPLOG_DEBUG("connection closed\n");
goto end;
}
if (uip_connected() || uip_rexmit())
{
HTTPLOG_DEBUG("new connection or rexmit, sending message\n");
char *p = uip_appdata;
p += sprintf_P(p, get_string_head);
#ifdef CONF_HTTPLOG_INCLUDE_UUID
p += sprintf_P(p, uuid_string);
#endif
#ifdef CONF_HTTPLOG_INCLUDE_TIMESTAMP
p += sprintf_P(p, time_string);
p += sprintf(p, "%lu&", clock_get_time());
#endif
p += sprintf(p, httplog_tmp_buf);
p += sprintf_P(p, get_string_foot);
uip_udp_send(p - (char *) uip_appdata);
HTTPLOG_DEBUG("send %d bytes\n", p - (char *) uip_appdata);
}
if (uip_acked())
{
uip_close();
end:
if (httplog_tmp_buf)
{
free(httplog_tmp_buf);
httplog_tmp_buf = NULL;
}
}
}
static void
httplog_dns_query_cb(char *name, uip_ipaddr_t *ipaddr) {
HTTPLOG_DEBUG("got dns response, connecting\n");
if(!uip_connect(ipaddr, HTONS(80), httplog_net_main)) {
if (httplog_tmp_buf) {
free(httplog_tmp_buf);
httplog_tmp_buf = NULL;
}
}
}
