Fixed bug #28651 (tcp_connect: no callbacks called if tcp_enqueue fails) both in raw- and netconn-API

This commit is contained in:
goldsimon 2010-01-21 18:43:37 +00:00
parent 60696a8485
commit 82318c0ef1
3 changed files with 29 additions and 19 deletions

View File

@ -50,6 +50,10 @@ HISTORY
++ Bugfixes:
2010-01-21: Simon Goldschmidt
* tcp.c, api_msg.c: Fixed bug #28651 (tcp_connect: no callbacks called
if tcp_enqueue fails) both in raw- and netconn-API
2010-01-19: Simon Goldschmidt
* api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp

View File

@ -882,13 +882,18 @@ do_connect(struct api_msg_msg *msg)
#endif /* LWIP_UDP */
#if LWIP_TCP
case NETCONN_TCP:
msg->conn->state = NETCONN_CONNECT;
msg->conn->current_msg = msg;
setup_tcp(msg->conn);
msg->err = tcp_connect(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, msg->msg.bc.port,
do_connected);
/* sys_sem_signal() is called from do_connected (or err_tcp()),
* when the connection is established! */
if (msg->err == ERR_OK) {
msg->conn->state = NETCONN_CONNECT;
msg->conn->current_msg = msg;
} else {
/* tcp_connect failed, so do_connected will not be called: return now */
sys_sem_signal(msg->conn->op_completed);
}
break;
#endif /* LWIP_TCP */
default:

View File

@ -550,14 +550,9 @@ tcp_connect(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port,
#endif /* TCP_CALCULATE_EFF_SEND_MSS */
pcb->cwnd = 1;
pcb->ssthresh = pcb->mss * 10;
pcb->state = SYN_SENT;
#if LWIP_CALLBACK_API
pcb->connected = connected;
#endif /* LWIP_CALLBACK_API */
TCP_RMV(&tcp_bound_pcbs, pcb);
TCP_REG(&tcp_active_pcbs, pcb);
snmp_inc_tcpactiveopens();
ret = tcp_enqueue(pcb, NULL, 0, TCP_SYN, 0, TF_SEG_OPTS_MSS
#if LWIP_TCP_TIMESTAMPS
@ -565,6 +560,12 @@ tcp_connect(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port,
#endif
);
if (ret == ERR_OK) {
/* SYN segment was enqueued, changed the pcbs state now */
pcb->state = SYN_SENT;
TCP_RMV(&tcp_bound_pcbs, pcb);
TCP_REG(&tcp_active_pcbs, pcb);
snmp_inc_tcpactiveopens();
tcp_output(pcb);
}
return ret;