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rawapi.txt, api_msg.c, tcp.c, tcp_in.c, tcp.h: changes for task #7675 "Enable to refuse data on a TCP_EVENT_RECV call". Important, behavior changes for the tcp_recv callback (see rawapi.txt).

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This commit is contained in:
fbernon
2008-01-14 21:07:08 +00:00
parent 52e6922e5a
commit 7518acf634
6 changed files with 65 additions and 11 deletions
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7
src/api/api_msg.c
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@@ -165,7 +165,7 @@ recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p,
#if LWIP_TCP
/**
* Receive callback function for TCP netconns.
* Posts the packet to conn->recvmbox or deletes it on memory error.
* Posts the packet to conn->recvmbox, but doesn't delete it on errors.
*
* @see tcp.h (struct tcp_pcb.recv) for parameters and return value
*/
@@ -182,7 +182,6 @@ recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
LWIP_ASSERT("recv_tcp: recv for wrong pcb!", conn->pcb.tcp == pcb);
if ((conn == NULL) || (conn->recvmbox == SYS_MBOX_NULL)) {
pbuf_free(p);
return ERR_VAL;
}
@@ -195,7 +194,9 @@ recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
}
/* Register event with callback */
API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
sys_mbox_post(conn->recvmbox, p);
if (sys_mbox_trypost(conn->recvmbox, p) != ERR_OK) {
return ERR_MEM;
}
return ERR_OK;
}