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Added debug messages for serious errors.

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likewise 2003-03-31 08:00:01 +00:00
parent 37ff512516
commit 917f8ec799
1 changed files with 11 additions and 5 deletions
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14
src/core/udp.c
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@ -56,11 +56,13 @@
#include "arch/perf.h" #include "arch/perf.h"
#include "lwip/snmp.h" #include "lwip/snmp.h"
/*-----------------------------------------------------------------------------------*/ //#undef DEBUGF
//#define DEBUGF(x,y) { page_printf("\f"); page_printf y; };
/* The list of UDP PCBs. */ /* The list of UDP PCBs */
#if LWIP_UDP #if LWIP_UDP
/*static*/ struct udp_pcb *udp_pcbs = NULL; /* was static, but we may want to access this from a socket layer */
struct udp_pcb *udp_pcbs = NULL;
static struct udp_pcb *pcb_cache = NULL; static struct udp_pcb *pcb_cache = NULL;
@ -336,10 +338,13 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
/* if the PCB is not yet bound, bind it here */ /* if the PCB is not yet bound, bind it here */
if (pcb->local_port == 0) { if (pcb->local_port == 0) {
DEBUGF(UDP_DEBUG | DBG_TRACE | 2, ("udp_send: not yet bound\n"));
err = udp_bind(pcb, &pcb->local_ip, pcb->local_port); err = udp_bind(pcb, &pcb->local_ip, pcb->local_port);
if(err != ERR_OK) if (err != ERR_OK) {
DEBUGF(UDP_DEBUG | DBG_TRACE | 2, ("udp_send: forced bind failed\n"));
return err; return err;
} }
}
/* not enough space to add an UDP header to first pbuf in given p chain? */ /* not enough space to add an UDP header to first pbuf in given p chain? */
if (pbuf_header(p, UDP_HLEN)) { if (pbuf_header(p, UDP_HLEN)) {
@ -347,6 +352,7 @@ udp_send(struct udp_pcb *pcb, struct pbuf *p)
q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM); q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM);
/* new header pbuf could not be allocated? */ /* new header pbuf could not be allocated? */
if (q == NULL) { if (q == NULL) {
DEBUGF(UDP_DEBUG | DBG_TRACE | 2, ("udp_send: could not allocate header\n"));
return ERR_MEM; return ERR_MEM;
} }
/* chain header q in front of given pbuf p */ /* chain header q in front of given pbuf p */