/******************************************************************************
* FunctionName : initSyslog
* Description : Initialize the syslog library
* Parameters : syslog_host -- the syslog host (host:port)
* host: IP-Addr | hostname
* Returns : none
*******************************************************************************/
void ICACHE_FLASH_ATTR syslog_init(char *syslog_host)
{
if (!*syslog_host) {
syslogState = SYSLOG_HALTED;
return;
}
char host[32], *port = &host[0];
syslog_task = register_usr_task(syslog_udp_send_event);
syslogHost.min_heap_size = flashConfig.syslog_minheap;
syslogHost.port = 514;
syslogState = SYSLOG_WAIT;
os_strncpy(host, syslog_host, 32);
while (*port && *port != ':') // find port delimiter
port++;
if (*port) {
*port++ = '\0';
syslogHost.port = atoi(port);
}
wifi_set_broadcast_if(STATIONAP_MODE); // send UDP broadcast from both station and soft-AP interface
syslog_espconn.type = ESPCONN_UDP;
syslog_espconn.proto.udp = (esp_udp *)os_zalloc(sizeof(esp_udp));
syslog_espconn.proto.udp->local_port = espconn_port(); // set a available port
#ifdef SYSLOG_UDP_RECV
espconn_regist_recvcb(&syslog_espconn, syslog_udp_recv_cb); // register a udp packet receiving callback
#endif
espconn_regist_sentcb(&syslog_espconn, syslog_udp_sent_cb); // register a udp packet sent callback
espconn_create(&syslog_espconn); // create udp
if (UTILS_StrToIP((const char *)host, (void*)&syslogHost.addr)) {
syslogState = SYSLOG_SENDING;
syslog_send_udp();
} else {
static struct espconn espconn_ghbn;
espconn_gethostbyname(&espconn_ghbn, host, &syslogHost.addr, syslog_gethostbyname_cb);
// syslog_send_udp is called by syslog_gethostbyname_cb()
}
#ifdef SYSLOG_UDP_RECV
DBG("syslog_init: host: %s, port: %d, lport: %d, recvcb: %p, sentcb: %p, state: %d\n",
host, syslogHost.port, syslog_espconn.proto.udp->local_port,
syslog_udp_recv_cb, syslog_udp_sent_cb, syslogState );
#else
DBG("syslog_init: host: %s, port: %d, lport: %d, rsentcb: %p, state: %d\n",
host, syslogHost.port, syslog_espconn.proto.udp->local_port,
syslog_udp_sent_cb, syslogState );
#endif
}
/******************************************************************************
* FunctionName : uart_init
* Description : user interface for init uart
* Parameters : UartBautRate uart0_br - uart0 bautrate
* UartBautRate uart1_br - uart1 bautrate
* Returns : NONE
*******************************************************************************/
void ICACHE_FLASH_ATTR
uart_init(UartBautRate uart0_br, UartBautRate uart1_br)
{
// rom use 74880 baut_rate, here reinitialize
UartDev.baut_rate = uart0_br;
uart_config(UART0);
UartDev.baut_rate = uart1_br;
uart_config(UART1);
for (int i=0; i<4; i++) uart_tx_one_char(UART1, '\n');
for (int i=0; i<4; i++) uart_tx_one_char(UART0, '\n');
ETS_UART_INTR_ENABLE();
// install uart1 putc callback
os_install_putc1((void *)uart0_write_char);
uart_recvTaskNum = register_usr_task(uart_recvTask);
}
/******************************************************************************
* FunctionName : initSyslog
* Description : Initialize the syslog library
* Parameters : syslog_host -- the syslog host (host:port)
* host: IP-Addr | hostname
* Returns : none
*******************************************************************************/
void ICACHE_FLASH_ATTR syslog_init(char *syslog_host)
{
DBG("[%uµs] %s\n", WDEV_NOW(), __FUNCTION__);
if (!*syslog_host) {
syslog_set_status(SYSLOG_HALTED);
return;
}
if (syslog_host == NULL) {
// disable and unregister syslog handler
syslog_set_status(SYSLOG_HALTED);
if (syslog_espconn != NULL) {
if (syslog_espconn->proto.udp) {
// there's no counterpart to espconn_create...
os_free(syslog_espconn->proto.udp);
}
os_free(syslog_espconn);
}
syslog_espconn = NULL;
// clean up syslog queue
syslog_entry_t *pse = syslogQueue;
while (pse != NULL) {
syslog_entry_t *next = pse->next;
os_free(pse);
pse = next;
}
syslogQueue = NULL;
return;
}
char host[32], *port = &host[0];
os_strncpy(host, syslog_host, 32);
while (*port && *port != ':') // find port delimiter
port++;
if (*port) {
*port++ = '\0';
syslogHost.port = atoi(port);
}
if (syslogHost.port == 0)
syslogHost.port = 514;
// allocate structures, init syslog_handler
if (syslog_espconn == NULL)
syslog_espconn = (espconn *)os_zalloc(sizeof(espconn));
if (syslog_espconn->proto.udp == NULL)
syslog_espconn->proto.udp = (esp_udp *)os_zalloc(sizeof(esp_udp));
syslog_espconn->type = ESPCONN_UDP;
syslog_espconn->proto.udp->local_port = espconn_port(); // set a available port
#ifdef SYSLOG_UDP_RECV
espconn_regist_recvcb(syslog_espconn, syslog_udp_recv_cb); // register a udp packet receiving callback
#endif
espconn_regist_sentcb(syslog_espconn, syslog_udp_sent_cb); // register a udp packet sent callback
syslog_task = register_usr_task(syslog_udp_send_event);
syslogHost.min_heap_size = flashConfig.syslog_minheap;
// the wifi_set_broadcast_if must be handled global in connection handler...
// wifi_set_broadcast_if(STATIONAP_MODE); // send UDP broadcast from both station and soft-AP interface
espconn_create(syslog_espconn); // create udp
if (UTILS_StrToIP((const char *)host, (void*)&syslogHost.addr)) {
syslog_set_status(SYSLOG_READY);
} else {
// we use our own espconn structure to avoid side effects...
if (syslog_dnsconn == NULL)
syslog_dnsconn = (espconn *)os_zalloc(sizeof(espconn));
if (syslog_dnsconn->proto.udp == NULL)
syslog_dnsconn->proto.udp = (esp_udp *)os_zalloc(sizeof(esp_udp));
syslog_set_status(SYSLOG_DNSWAIT);
espconn_gethostbyname(syslog_dnsconn, host, &syslogHost.addr, syslog_gethostbyname_cb);
}
}
