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api_msg.c: Fix bug #22530 "api_msg.c's recv_raw() does not consume data".

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This commit is contained in:
fbernon 2008-03-12 10:55:54 +00:00
parent a48370d5e9
commit 552106e2a4
2 changed files with 32 additions and 14 deletions
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6
CHANGELOG
View File

@ -600,6 +600,12 @@ HISTORY
++ Bug fixes:
2008-03-12 Frédéric Bernon, Jonathan Larmour
* api_msg.c, contrib/apps/ping.c: Fix bug #22530 "api_msg.c's
recv_raw() does not consume data", and the ping sample (with
LWIP_SOCKET=1, the code did the wrong supposition that lwip_recvfrom
returned the IP payload, without the IP header).
2008-03-04 Jonathan Larmour
* mem.c, stats.c, mem.h: apply patch #6414 to avoid compiler errors
and/or warnings on some systems where mem_size_t and size_t differ.

40
src/api/api_msg.c
View File

@ -70,6 +70,7 @@ static u8_t
recv_raw(void *arg, struct raw_pcb *pcb, struct pbuf *p,
struct ip_addr *addr)
{
struct pbuf *q;
struct netbuf *buf;
struct netconn *conn;
#if LWIP_SO_RCVBUF
@ -85,21 +86,33 @@ recv_raw(void *arg, struct raw_pcb *pcb, struct pbuf *p,
#else /* LWIP_SO_RCVBUF */
if ((conn != NULL) && (conn->recvmbox != SYS_MBOX_NULL)) {
#endif /* LWIP_SO_RCVBUF */
buf = memp_malloc(MEMP_NETBUF);
if (buf == NULL) {
return 0;
/* copy the whole packet into new pbufs */
q = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM);
if(q != NULL) {
if (pbuf_copy(q, p) != ERR_OK) {
pbuf_free(q);
q = NULL;
}
}
pbuf_ref(p);
buf->p = p;
buf->ptr = p;
buf->addr = addr;
buf->port = pcb->protocol;
SYS_ARCH_INC(conn->recv_avail, p->tot_len);
/* Register event with callback */
API_EVENT(conn, NETCONN_EVT_RCVPLUS, p->tot_len);
if (sys_mbox_trypost(conn->recvmbox, buf) != ERR_OK) {
netbuf_delete(buf);
if(q != NULL) {
buf = memp_malloc(MEMP_NETBUF);
if (buf == NULL) {
pbuf_free(q);
return 0;
}
buf->p = q;
buf->ptr = q;
buf->addr = addr;
buf->port = pcb->protocol;
SYS_ARCH_INC(conn->recv_avail, q->tot_len);
/* Register event with callback */
API_EVENT(conn, NETCONN_EVT_RCVPLUS, q->tot_len);
if (sys_mbox_trypost(conn->recvmbox, buf) != ERR_OK) {
netbuf_delete(buf);
}
}
}
@ -1182,4 +1195,3 @@ do_gethostbyname(void *arg)
#endif /* LWIP_DNS */
#endif /* LWIP_NETCONN */