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miniupnpc-libevent: try with several M-SEARCH requests

This commit is contained in:
Thomas Bernard 2014-11-17 11:15:18 +01:00
parent eefb134e09
commit bd8ba03b54
2 changed files with 17 additions and 4 deletions
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18
miniupnpc-libevent/miniupnpc-libevent.c
View File

@ -1,4 +1,4 @@
/* $Id: miniupnpc-libevent.c,v 1.11 2014/11/17 09:17:38 nanard Exp $ */
/* $Id: miniupnpc-libevent.c,v 1.12 2014/11/17 10:14:15 nanard Exp $ */
/* miniupnpc-libevent
* Copyright (c) 2008-2014, Thomas BERNARD <miniupnp@free.fr>
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
@ -159,7 +159,7 @@ static void upnpc_send_ssdp_msearch(evutil_socket_t s, short events, upnpc_t * p
addr.sin_port = htons(SSDP_PORT);
addr.sin_addr.s_addr = inet_addr(SSDP_MCAST_ADDR);
n = snprintf(bufr, sizeof(bufr),
MSearchMsgFmt, devices_to_search[0], mx);
MSearchMsgFmt, devices_to_search[p->device_index++], mx);
debug_printf("upnpc_send_ssdp_msearch: %s", bufr);
n = sendto(s, bufr, n, 0,
(struct sockaddr *)&addr, sizeof(struct sockaddr_in));
@ -172,7 +172,7 @@ static int upnpc_set_root_desc_location(upnpc_t * p, const char * location, int
{
char * tmp;
tmp = realloc(p->root_desc_location, locationsize + 1);
if(tmp == 0) {
if(tmp == NULL) {
return -1;
}
memcpy(tmp, location, locationsize);
@ -189,6 +189,17 @@ static void upnpc_receive_and_parse_ssdp(evutil_socket_t s, short events, upnpc_
if(events == EV_TIMEOUT) {
/* nothing received ... */
debug_printf("upnpc_receive_and_parse_ssdp() TIMEOUT\n");
if(p->root_desc_location != NULL) {
/* we already have found a device */
} else if(!devices_to_search[p->device_index]) {
debug_printf("*** NO MORE DEVICES TO SEARCH ***\n");
/* no device found : set error */
} else {
/* send another SSDP M-SEARCH packet */
if(event_add(p->ev_ssdp_writable, NULL)) {
debug_printf("event_add FAILED\n");
}
}
return;
}
len = recv(s, bufr, sizeof(bufr), 0);
@ -592,6 +603,7 @@ int upnpc_init(upnpc_t * p, struct event_base * base, const char * multicastif,
int upnpc_finalize(upnpc_t * p)
{
if(!p) return UPNPC_ERR_INVALID_ARGS;
p->device_index = 0;
free(p->root_desc_location);
p->root_desc_location = NULL;
free(p->control_cif_url);

3
miniupnpc-libevent/miniupnpc-libevent.h
View File

@ -1,4 +1,4 @@
/* $Id: miniupnpc-libevent.h,v 1.6 2014/11/17 09:17:38 nanard Exp $ */
/* $Id: miniupnpc-libevent.h,v 1.7 2014/11/17 10:14:16 nanard Exp $ */
/* miniupnpc-libevent
* Copyright (c) 2008-2014, Thomas BERNARD <miniupnp@free.fr>
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
@ -39,6 +39,7 @@ typedef struct {
evutil_socket_t ssdp_socket;
struct event * ev_ssdp_recv;
struct event * ev_ssdp_writable;
int device_index;
char * root_desc_location;
struct evhttp_connection * desc_conn;
char * control_cif_url;