espconn_udp.h File Reference

#include "lwip/app/espconn.h"

Include dependency graph for espconn_udp.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	ESPCONN_UDP_DEBUG   LWIP_DBG_OFF

Functions
sint8	espconn_udp_client (struct espconn *pespconn)
void	espconn_udp_disconnect (espconn_msg *pdiscon)
sint8	espconn_udp_server (struct espconn *espconn)
err_t	espconn_udp_sent (void *arg, uint8 *psent, uint16 length)
err_t	espconn_udp_sendto (void *arg, uint8 *psent, uint16 length)

Macro Definition Documentation

ESPCONN_UDP_DEBUG

#define ESPCONN_UDP_DEBUG   LWIP_DBG_OFF

Definition at line 5 of file espconn_udp.h.

Referenced by espconn_igmp_join(), espconn_igmp_leave(), espconn_udp_recv(), espconn_udp_sendto(), and espconn_udp_sent().

Function Documentation

espconn_udp_client()

sint8 espconn_udp_client

(

struct espconn *

pespconn

)

espconn_udp_disconnect()

void espconn_udp_disconnect

(

espconn_msg *

pdiscon

)

Definition at line 338 of file espconn_udp.c.

References espconn_list_delete(), ICACHE_FLASH_ATTR, NULL, os_free, _comon_pkt::pcb, and _espconn_msg::pcommon.

Referenced by espconn_delete().

{
    if (pdiscon == NULL) {
        return;
    }

    struct udp_pcb *upcb = pdiscon->pcommon.pcb;

    udp_disconnect(upcb);

    udp_remove(upcb);

    espconn_list_delete(&plink_active, pdiscon);

    os_free(pdiscon);
    pdiscon = NULL;
}

Here is the call graph for this function:

Here is the caller graph for this function:

espconn_udp_sendto()

err_t espconn_udp_sendto	(	void *	arg,
		uint8 *	psent,
		uint16	length
	)

Definition at line 183 of file espconn_udp.c.

References _comon_pkt::cntr, default_interface, eagle_lwip_getif(), ERR_OK, ESPCONN_AP_STA, ESPCONN_ARG, espconn_data_sent(), ESPCONN_IF, ESPCONN_MEM, ESPCONN_RTE, ESPCONN_SENDTO, ESPCONN_UDP_DEBUG, ICACHE_FLASH_ATTR, IP4_ADDR, pbuf::len, LWIP_DEBUGF, netif_is_up, netif_set_default(), pbuf::next, NULL, pbuf::payload, pbuf_alloc(), pbuf_copy(), pbuf_free(), PBUF_RAM, PBUF_TRANSPORT, _comon_pkt::pcb, _espconn_msg::pcommon, _espconn_msg::pespconn, espconn::proto, _comon_pkt::ptrbuf, pbuf::ref, _esp_udp::remote_ip, _esp_udp::remote_port, espconn::udp, and wifi_get_opmode().

Referenced by espconn_data_sent(), and espconn_sendto().

{
    espconn_msg *pudp_sent = arg;
    struct udp_pcb *upcb = pudp_sent->pcommon.pcb;
    struct espconn *pespconn = pudp_sent->pespconn;
    struct pbuf *p, *q ,*p_temp;
    struct ip_addr dst_ip;
    u16_t dst_port;
    u8_t *data = NULL;
    u16_t cnt = 0;
    u16_t datalen = 0;
    u16_t i = 0;
    err_t err;
    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d %p\n", __LINE__, length, upcb));

    if (pudp_sent == NULL || upcb == NULL || psent == NULL || length == 0) {
        return ESPCONN_ARG;
    }

    if (1470 < length) {
        datalen = 1470;
    } else {
        datalen = length;
    }

    p = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM);
    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p));

    if (p != NULL) {
        q = p;

        while (q != NULL) {
            data = (u8_t *)q->payload;
            LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, data));

            for (i = 0; i < q->len; i++) {
                data[i] = ((u8_t *) psent)[cnt++];
            }

            q = q->next;
        }
    } else {
        return ESPCONN_MEM;
    }

    dst_port = pespconn->proto.udp->remote_port;
    IP4_ADDR(&dst_ip, pespconn->proto.udp->remote_ip[0],
            pespconn->proto.udp->remote_ip[1], pespconn->proto.udp->remote_ip[2],
            pespconn->proto.udp->remote_ip[3]);
    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %x %d\n", __LINE__, upcb->remote_ip, upcb->remote_port));

    struct netif *sta_netif = (struct netif *)eagle_lwip_getif(0x00);
    struct netif *ap_netif =  (struct netif *)eagle_lwip_getif(0x01);

    if(wifi_get_opmode() == ESPCONN_AP_STA && default_interface == ESPCONN_AP_STA && sta_netif != NULL && ap_netif != NULL)
    {
        if(netif_is_up(sta_netif) && netif_is_up(ap_netif) && \
            ip_addr_isbroadcast(&upcb->remote_ip, sta_netif) && \
            ip_addr_isbroadcast(&upcb->remote_ip, ap_netif)) {

          p_temp = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM);
          if (pbuf_copy (p_temp,p) != ERR_OK) {
              LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sendto: copying to new pbuf failed\n"));
              return ESPCONN_ARG;
          }
          netif_set_default(sta_netif);
          err = udp_sendto(upcb, p_temp, &dst_ip, dst_port);
          pbuf_free(p_temp);
          netif_set_default(ap_netif);
        }
    }
    err = udp_sendto(upcb, p, &dst_ip, dst_port);

    if (p->ref != 0) {
        pbuf_free(p);
        pudp_sent->pcommon.ptrbuf = psent + datalen;
        pudp_sent->pcommon.cntr = length - datalen;
        if (err == ERR_OK)
            espconn_data_sent(pudp_sent, ESPCONN_SENDTO);

        if (err > 0)
            return ESPCONN_IF;
        return err;
    } else {
        pbuf_free(p);
        return ESPCONN_RTE;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

espconn_udp_sent()

err_t espconn_udp_sent	(	void *	arg,
		uint8 *	psent,
		uint16	length
	)

Definition at line 81 of file espconn_udp.c.

References _comon_pkt::cntr, default_interface, eagle_lwip_getif(), ERR_OK, ESPCONN_AP_STA, ESPCONN_ARG, espconn_data_sent(), ESPCONN_IF, ESPCONN_MEM, ESPCONN_RTE, ESPCONN_SEND, ESPCONN_UDP_DEBUG, ICACHE_FLASH_ATTR, IP4_ADDR, pbuf::len, LWIP_DEBUGF, netif_is_up, netif_set_default(), pbuf::next, NULL, pbuf::payload, pbuf_alloc(), pbuf_copy(), pbuf_free(), PBUF_RAM, PBUF_TRANSPORT, _comon_pkt::pcb, _espconn_msg::pcommon, _espconn_msg::pespconn, espconn::proto, _comon_pkt::ptrbuf, pbuf::ref, _esp_udp::remote_ip, _esp_udp::remote_port, espconn::udp, and wifi_get_opmode().

Referenced by espconn_data_sent(), and espconn_sent().

{
    espconn_msg *pudp_sent = arg;
    struct udp_pcb *upcb = pudp_sent->pcommon.pcb;
    struct pbuf *p, *q ,*p_temp;
    u8_t *data = NULL;
    u16_t cnt = 0;
    u16_t datalen = 0;
    u16_t i = 0;
    err_t err;
    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d %p\n", __LINE__, length, upcb));

    if (pudp_sent == NULL || upcb == NULL || psent == NULL || length == 0) {
        return ESPCONN_ARG;
    }

    if (1470 < length) {
        datalen = 1470;
    } else {
        datalen = length;
    }

    p = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM);
    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p));

    if (p != NULL) {
        q = p;

        while (q != NULL) {
            data = (u8_t *)q->payload;
            LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, data));

            for (i = 0; i < q->len; i++) {
                data[i] = ((u8_t *) psent)[cnt++];
            }

            q = q->next;
        }
    } else {
        return ESPCONN_MEM;
    }

    upcb->remote_port = pudp_sent->pespconn->proto.udp->remote_port;
    IP4_ADDR(&upcb->remote_ip, pudp_sent->pespconn->proto.udp->remote_ip[0],
            pudp_sent->pespconn->proto.udp->remote_ip[1],
            pudp_sent->pespconn->proto.udp->remote_ip[2],
            pudp_sent->pespconn->proto.udp->remote_ip[3]);

    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %x %d\n", __LINE__, upcb->remote_ip, upcb->remote_port));

    struct netif *sta_netif = (struct netif *)eagle_lwip_getif(0x00);
    struct netif *ap_netif =  (struct netif *)eagle_lwip_getif(0x01);
        
    if(wifi_get_opmode() == ESPCONN_AP_STA && default_interface == ESPCONN_AP_STA && sta_netif != NULL && ap_netif != NULL)
    {
        if(netif_is_up(sta_netif) && netif_is_up(ap_netif) && \
            ip_addr_isbroadcast(&upcb->remote_ip, sta_netif) && \
            ip_addr_isbroadcast(&upcb->remote_ip, ap_netif)) {

          p_temp = pbuf_alloc(PBUF_TRANSPORT, datalen, PBUF_RAM);
          if (pbuf_copy (p_temp,p) != ERR_OK) {
              LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent: copying to new pbuf failed\n"));
              return ESPCONN_ARG;
          }
          netif_set_default(sta_netif);
          err = udp_send(upcb, p_temp);
          pbuf_free(p_temp);
          netif_set_default(ap_netif);
        }
    }
          err = udp_send(upcb, p);

    LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %d\n", __LINE__, err));

    if (p->ref != 0) {
        LWIP_DEBUGF(ESPCONN_UDP_DEBUG, ("espconn_udp_sent %d %p\n", __LINE__, p));
        pbuf_free(p);
        pudp_sent->pcommon.ptrbuf = psent + datalen;
        pudp_sent->pcommon.cntr = length - datalen;
        espconn_data_sent(pudp_sent, ESPCONN_SEND);
        if (err > 0)
            return ESPCONN_IF;
        return err;
    } else {
        pbuf_free(p);
        return ESPCONN_RTE;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

espconn_udp_server()

sint8 espconn_udp_server

(

struct espconn *

espconn

)

Definition at line 363 of file espconn_udp.c.

References espconn_list_creat(), ESPCONN_MEM, ESPCONN_OK, espconn_udp_recv(), ICACHE_FLASH_ATTR, IP_ADDR_ANY, _esp_udp::local_port, NULL, os_zalloc, _comon_pkt::pcb, _espconn_msg::pcommon, _espconn_msg::pespconn, espconn::proto, and espconn::udp.

Referenced by espconn_create().

{
    struct udp_pcb *upcb = NULL;
    espconn_msg *pserver = NULL;
    upcb = udp_new();

    if (upcb == NULL) {
        return ESPCONN_MEM;
    } else {
        pserver = (espconn_msg *)os_zalloc(sizeof(espconn_msg));

        if (pserver == NULL) {
            udp_remove(upcb);
            return ESPCONN_MEM;
        }

        pserver->pcommon.pcb = upcb;
        pserver->pespconn = pespconn;
        espconn_list_creat(&plink_active, pserver);
        udp_bind(upcb, IP_ADDR_ANY, pserver->pespconn->proto.udp->local_port);
        udp_recv(upcb, espconn_udp_recv, (void *)pserver);
        return ESPCONN_OK;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function: