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Fixed bug #28651 (tcp_connect: no callbacks called if tcp_enqueue fails) both in raw- and netconn-API
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@ -50,6 +50,10 @@ HISTORY
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++ Bugfixes:
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++ Bugfixes:
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2010-01-21: Simon Goldschmidt
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* tcp.c, api_msg.c: Fixed bug #28651 (tcp_connect: no callbacks called
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if tcp_enqueue fails) both in raw- and netconn-API
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2010-01-19: Simon Goldschmidt
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2010-01-19: Simon Goldschmidt
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* api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp
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* api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp
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@ -882,13 +882,18 @@ do_connect(struct api_msg_msg *msg)
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#endif /* LWIP_UDP */
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#endif /* LWIP_UDP */
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#if LWIP_TCP
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#if LWIP_TCP
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case NETCONN_TCP:
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case NETCONN_TCP:
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msg->conn->state = NETCONN_CONNECT;
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msg->conn->current_msg = msg;
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setup_tcp(msg->conn);
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setup_tcp(msg->conn);
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msg->err = tcp_connect(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, msg->msg.bc.port,
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msg->err = tcp_connect(msg->conn->pcb.tcp, msg->msg.bc.ipaddr, msg->msg.bc.port,
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do_connected);
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do_connected);
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/* sys_sem_signal() is called from do_connected (or err_tcp()),
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/* sys_sem_signal() is called from do_connected (or err_tcp()),
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* when the connection is established! */
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* when the connection is established! */
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if (msg->err == ERR_OK) {
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msg->conn->state = NETCONN_CONNECT;
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msg->conn->current_msg = msg;
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} else {
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/* tcp_connect failed, so do_connected will not be called: return now */
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sys_sem_signal(msg->conn->op_completed);
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}
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break;
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break;
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#endif /* LWIP_TCP */
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#endif /* LWIP_TCP */
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default:
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default:
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@ -550,14 +550,9 @@ tcp_connect(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port,
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#endif /* TCP_CALCULATE_EFF_SEND_MSS */
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#endif /* TCP_CALCULATE_EFF_SEND_MSS */
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pcb->cwnd = 1;
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pcb->cwnd = 1;
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pcb->ssthresh = pcb->mss * 10;
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pcb->ssthresh = pcb->mss * 10;
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pcb->state = SYN_SENT;
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#if LWIP_CALLBACK_API
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#if LWIP_CALLBACK_API
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pcb->connected = connected;
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pcb->connected = connected;
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#endif /* LWIP_CALLBACK_API */
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#endif /* LWIP_CALLBACK_API */
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TCP_RMV(&tcp_bound_pcbs, pcb);
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TCP_REG(&tcp_active_pcbs, pcb);
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snmp_inc_tcpactiveopens();
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ret = tcp_enqueue(pcb, NULL, 0, TCP_SYN, 0, TF_SEG_OPTS_MSS
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ret = tcp_enqueue(pcb, NULL, 0, TCP_SYN, 0, TF_SEG_OPTS_MSS
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#if LWIP_TCP_TIMESTAMPS
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#if LWIP_TCP_TIMESTAMPS
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@ -565,6 +560,12 @@ tcp_connect(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port,
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#endif
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#endif
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);
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);
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if (ret == ERR_OK) {
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if (ret == ERR_OK) {
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/* SYN segment was enqueued, changed the pcbs state now */
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pcb->state = SYN_SENT;
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TCP_RMV(&tcp_bound_pcbs, pcb);
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TCP_REG(&tcp_active_pcbs, pcb);
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snmp_inc_tcpactiveopens();
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tcp_output(pcb);
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tcp_output(pcb);
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}
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}
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return ret;
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return ret;
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