Improve object destruction (bug #3286)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4747 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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8c85a8461c
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@ -1111,66 +1111,44 @@ static void update_peer(struct sip_peer *p, int expiry)
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realtime_update_peer(p->name, &p->addr, p->username, expiry);
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}
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static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int temponly);
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static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int realtime);
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static struct sip_peer *realtime_peer(const char *peername, struct sockaddr_in *sin)
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{
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struct ast_variable *var, *tmp=NULL;
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char iabuf[80];
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struct sip_peer *peer=NULL;
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time_t nowtime, regseconds;
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int dynamic=0;
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if (sin)
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ast_inet_ntoa(iabuf, sizeof(iabuf), sin->sin_addr);
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struct ast_variable *var;
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struct ast_variable *tmp;
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if (peername)
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var = ast_load_realtime("sipfriends", "name", peername, NULL);
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else
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else if (sin) {
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char iabuf[80];
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ast_inet_ntoa(iabuf, sizeof(iabuf), sin->sin_addr);
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var = ast_load_realtime("sipfriends", "ipaddr", iabuf, NULL);
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if (var) {
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/* Make sure it's not a user only... */
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peer = build_peer(peername, var, 1);
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if (peer) {
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/* Add some finishing touches, addresses, etc */
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ast_set_flag(peer, SIP_REALTIME);
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tmp = var;
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while(tmp) {
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if (!strcasecmp(tmp->name, "type")) {
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if (strcasecmp(tmp->value, "friend") &&
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strcasecmp(tmp->value, "peer")) {
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/* Whoops, we weren't supposed to exist! */
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sip_destroy_peer(peer);
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peer = NULL;
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break;
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}
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} else if (!strcasecmp(tmp->name, "regseconds")) {
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if (sscanf(tmp->value, "%li", ®seconds) != 1)
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regseconds = 0;
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} else if (!strcasecmp(tmp->name, "ipaddr")) {
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inet_aton(tmp->value, &(peer->addr.sin_addr));
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} else if (!strcasecmp(tmp->name, "port")) {
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peer->addr.sin_port = htons(atoi(tmp->value));
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} else if (!strcasecmp(tmp->name, "host")) {
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if (!strcasecmp(tmp->value, "dynamic"))
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dynamic = 1;
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}
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tmp = tmp->next;
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}
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if (peer && dynamic) {
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time(&nowtime);
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if ((nowtime - regseconds) > 0) {
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memset(&peer->addr, 0, sizeof(peer->addr));
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if (option_debug)
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ast_log(LOG_DEBUG, "Bah, we're expired (%ld/%ld/%ld)!\n", nowtime - regseconds, regseconds, nowtime);
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}
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}
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} else
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return NULL;
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if (!var)
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return NULL;
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tmp = var;
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while(tmp) {
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if (strcasecmp(tmp->name, "type"))
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continue;
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if (!strcasecmp(tmp->value, "user")) {
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ast_destroy_realtime(var);
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return NULL;
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}
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ast_destroy_realtime(var);
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}
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if (peer) {
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/* Destroy, so when our caller unrefs, it will disappear */
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ASTOBJ_DESTROY(peer, sip_destroy_peer);
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tmp = tmp->next;
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}
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peer = build_peer(peername, var, 1);
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if (peer)
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ast_set_flag(peer, SIP_REALTIME);
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ast_destroy_realtime(var);
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return peer;
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}
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@ -1214,43 +1192,39 @@ static void sip_destroy_user(struct sip_user *user)
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free(user);
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}
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static struct sip_user *build_user(const char *name, struct ast_variable *v);
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static struct sip_user *build_user(const char *name, struct ast_variable *v, int realtime);
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static struct sip_user *realtime_user(const char *username)
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{
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struct ast_variable *var;
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struct ast_variable *tmp;
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struct sip_user *user=NULL;
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struct sip_user *user = NULL;
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var = ast_load_realtime("sipfriends", "name", username, NULL);
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if (var) {
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/* Make sure it's not a user only... */
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user = build_user(username, var);
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if (user) {
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/* Move counter from s to r... */
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suserobjs--;
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ruserobjs++;
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/* Add some finishing touches, addresses, etc */
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ast_set_flag(user, SIP_REALTIME);
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tmp = var;
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while(tmp) {
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if (!strcasecmp(tmp->name, "type")) {
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if (strcasecmp(tmp->value, "friend") &&
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strcasecmp(tmp->value, "user")) {
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/* Whoops, we weren't supposed to exist! */
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sip_destroy_user(user);
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user = NULL;
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break;
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}
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}
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tmp = tmp->next;
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}
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if (!var)
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return NULL;
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tmp = var;
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while (tmp) {
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if (strcasecmp(tmp->name, "type"))
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continue;
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if (!strcasecmp(tmp->value, "peer")) {
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ast_destroy_realtime(var);
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return NULL;
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}
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ast_destroy_realtime(var);
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tmp = tmp->next;
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}
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user = build_user(username, var, 1);
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if (user) {
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/* Reference and destroy, so when our caller unrefs, we disappear */
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ASTOBJ_REF(user);
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ASTOBJ_DESTROY(user, sip_destroy_user);
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/* Move counter from s to r... */
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suserobjs--;
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ruserobjs++;
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/* Add some finishing touches, addresses, etc */
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ast_set_flag(user, SIP_REALTIME);
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}
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ast_destroy_realtime(var);
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return user;
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}
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@ -1290,60 +1264,60 @@ static int create_addr(struct sip_pvt *r, char *opeer)
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p = find_peer(peer, NULL);
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if (p) {
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found++;
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ast_copy_flags(r, p, SIP_PROMISCREDIR | SIP_USEREQPHONE | SIP_DTMF | SIP_NAT | SIP_REINVITE | SIP_INSECURE);
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r->capability = p->capability;
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if (r->rtp) {
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ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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ast_rtp_setnat(r->rtp, (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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found++;
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ast_copy_flags(r, p, SIP_PROMISCREDIR | SIP_USEREQPHONE | SIP_DTMF | SIP_NAT | SIP_REINVITE | SIP_INSECURE);
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r->capability = p->capability;
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if (r->rtp) {
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ast_log(LOG_DEBUG, "Setting NAT on RTP to %d\n", (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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ast_rtp_setnat(r->rtp, (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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}
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if (r->vrtp) {
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ast_log(LOG_DEBUG, "Setting NAT on VRTP to %d\n", (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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ast_rtp_setnat(r->vrtp, (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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}
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strncpy(r->peername, p->username, sizeof(r->peername)-1);
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strncpy(r->authname, p->username, sizeof(r->authname)-1);
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strncpy(r->peersecret, p->secret, sizeof(r->peersecret)-1);
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strncpy(r->peermd5secret, p->md5secret, sizeof(r->peermd5secret)-1);
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strncpy(r->username, p->username, sizeof(r->username)-1);
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strncpy(r->tohost, p->tohost, sizeof(r->tohost)-1);
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strncpy(r->fullcontact, p->fullcontact, sizeof(r->fullcontact)-1);
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if (!r->initreq.headers && !ast_strlen_zero(p->fromdomain)) {
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if ((callhost = strchr(r->callid, '@'))) {
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strncpy(callhost + 1, p->fromdomain, sizeof(r->callid) - (callhost - r->callid) - 2);
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}
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if (r->vrtp) {
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ast_log(LOG_DEBUG, "Setting NAT on VRTP to %d\n", (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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ast_rtp_setnat(r->vrtp, (ast_test_flag(r, SIP_NAT) & SIP_NAT_ROUTE));
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}
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strncpy(r->peername, p->username, sizeof(r->peername)-1);
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strncpy(r->authname, p->username, sizeof(r->authname)-1);
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strncpy(r->peersecret, p->secret, sizeof(r->peersecret)-1);
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strncpy(r->peermd5secret, p->md5secret, sizeof(r->peermd5secret)-1);
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strncpy(r->username, p->username, sizeof(r->username)-1);
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strncpy(r->tohost, p->tohost, sizeof(r->tohost)-1);
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strncpy(r->fullcontact, p->fullcontact, sizeof(r->fullcontact)-1);
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if (!r->initreq.headers && !ast_strlen_zero(p->fromdomain)) {
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if ((callhost = strchr(r->callid, '@'))) {
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strncpy(callhost + 1, p->fromdomain, sizeof(r->callid) - (callhost - r->callid) - 2);
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}
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}
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if (ast_strlen_zero(r->tohost)) {
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if (p->addr.sin_addr.s_addr)
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ast_inet_ntoa(r->tohost, sizeof(r->tohost), p->addr.sin_addr);
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else
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ast_inet_ntoa(r->tohost, sizeof(r->tohost), p->defaddr.sin_addr);
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}
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if (!ast_strlen_zero(p->fromdomain))
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strncpy(r->fromdomain, p->fromdomain, sizeof(r->fromdomain)-1);
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if (!ast_strlen_zero(p->fromuser))
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strncpy(r->fromuser, p->fromuser, sizeof(r->fromuser)-1);
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r->maxtime = p->maxms;
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r->callgroup = p->callgroup;
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r->pickupgroup = p->pickupgroup;
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if (ast_test_flag(r, SIP_DTMF) == SIP_DTMF_RFC2833)
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r->noncodeccapability |= AST_RTP_DTMF;
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}
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if (ast_strlen_zero(r->tohost)) {
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if (p->addr.sin_addr.s_addr)
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ast_inet_ntoa(r->tohost, sizeof(r->tohost), p->addr.sin_addr);
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else
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r->noncodeccapability &= ~AST_RTP_DTMF;
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strncpy(r->context, p->context,sizeof(r->context)-1);
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if ((p->addr.sin_addr.s_addr || p->defaddr.sin_addr.s_addr) &&
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(!p->maxms || ((p->lastms >= 0) && (p->lastms <= p->maxms)))) {
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if (p->addr.sin_addr.s_addr) {
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r->sa.sin_addr = p->addr.sin_addr;
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r->sa.sin_port = p->addr.sin_port;
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} else {
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r->sa.sin_addr = p->defaddr.sin_addr;
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r->sa.sin_port = p->defaddr.sin_port;
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}
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memcpy(&r->recv, &r->sa, sizeof(r->recv));
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ast_inet_ntoa(r->tohost, sizeof(r->tohost), p->defaddr.sin_addr);
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}
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if (!ast_strlen_zero(p->fromdomain))
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strncpy(r->fromdomain, p->fromdomain, sizeof(r->fromdomain)-1);
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if (!ast_strlen_zero(p->fromuser))
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strncpy(r->fromuser, p->fromuser, sizeof(r->fromuser)-1);
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r->maxtime = p->maxms;
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r->callgroup = p->callgroup;
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r->pickupgroup = p->pickupgroup;
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if (ast_test_flag(r, SIP_DTMF) == SIP_DTMF_RFC2833)
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r->noncodeccapability |= AST_RTP_DTMF;
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else
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r->noncodeccapability &= ~AST_RTP_DTMF;
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strncpy(r->context, p->context,sizeof(r->context)-1);
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if ((p->addr.sin_addr.s_addr || p->defaddr.sin_addr.s_addr) &&
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(!p->maxms || ((p->lastms >= 0) && (p->lastms <= p->maxms)))) {
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if (p->addr.sin_addr.s_addr) {
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r->sa.sin_addr = p->addr.sin_addr;
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r->sa.sin_port = p->addr.sin_port;
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} else {
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ASTOBJ_UNREF(p,sip_destroy_peer);
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r->sa.sin_addr = p->defaddr.sin_addr;
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r->sa.sin_port = p->defaddr.sin_port;
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}
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memcpy(&r->recv, &r->sa, sizeof(r->recv));
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} else {
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ASTOBJ_UNREF(p,sip_destroy_peer);
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}
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}
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if (!p && !found) {
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hostn = peer;
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@ -8644,7 +8618,7 @@ static int handle_common_options(struct ast_flags *flags, struct ast_flags *mask
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}
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/*--- build_user: Initiate a SIP user structure from sip.conf ---*/
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static struct sip_user *build_user(const char *name, struct ast_variable *v)
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static struct sip_user *build_user(const char *name, struct ast_variable *v, int realtime)
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{
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struct sip_user *user;
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int format;
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@ -8778,15 +8752,16 @@ static struct sip_peer *temp_peer(char *name)
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}
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/*--- build_peer: Build peer from config file ---*/
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static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int temponly)
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static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int realtime)
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{
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struct sip_peer *peer = NULL;
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struct ast_ha *oldha = NULL;
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int maskfound=0;
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int obproxyfound=0;
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int found=0;
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time_t regseconds;
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if (!temponly)
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if (!realtime)
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/* Note we do NOT use find_peer here, to avoid realtime recursion */
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peer = ASTOBJ_CONTAINER_FIND_UNLINK(&peerl, name);
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@ -8797,7 +8772,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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peer = malloc(sizeof(struct sip_peer));
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if (peer) {
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memset(peer, 0, sizeof(struct sip_peer));
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if (temponly)
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if (realtime)
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rpeerobjs++;
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else
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speerobjs++;
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@ -8838,7 +8813,12 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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continue;
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}
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if (!strcasecmp(v->name, "name"))
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if (realtime && !strcasecmp(v->name, "regseconds")) {
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if (sscanf(v->value, "%li", ®seconds) != 1)
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regseconds = 0;
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} else if (realtime && !strcasecmp(v->name, "ipaddr")) {
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inet_aton(v->value, &(peer->addr.sin_addr));
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} else if (realtime && !strcasecmp(v->name, "name"))
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strncpy(peer->name, v->value, sizeof(peer->name)-1);
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else if (!strcasecmp(v->name, "secret"))
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strncpy(peer->secret, v->value, sizeof(peer->secret)-1);
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@ -8880,7 +8860,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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ast_clear_flag(peer, SIP_DYNAMIC);
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if (!obproxyfound || !strcasecmp(v->name, "outboundproxy")) {
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if (ast_get_ip_or_srv(&peer->addr, v->value, "_sip._udp")) {
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ASTOBJ_DESTROY(peer, sip_destroy_peer);
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ASTOBJ_UNREF(peer, sip_destroy_peer);
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return NULL;
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}
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}
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@ -8893,7 +8873,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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inet_aton("255.255.255.255", &peer->mask);
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} else if (!strcasecmp(v->name, "defaultip")) {
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if (ast_get_ip(&peer->defaddr, v->value)) {
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ASTOBJ_DESTROY(peer, sip_destroy_peer);
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ASTOBJ_UNREF(peer, sip_destroy_peer);
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return NULL;
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}
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} else if (!strcasecmp(v->name, "permit") ||
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@ -8903,7 +8883,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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maskfound++;
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inet_aton(v->value, &peer->mask);
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} else if (!strcasecmp(v->name, "port")) {
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if (ast_test_flag(peer, SIP_DYNAMIC))
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if (!realtime && ast_test_flag(peer, SIP_DYNAMIC))
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peer->defaddr.sin_port = htons(atoi(v->value));
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else
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peer->addr.sin_port = htons(atoi(v->value));
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@ -8955,6 +8935,16 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, int
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*/
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v=v->next;
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}
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if (realtime && ast_test_flag(peer, SIP_DYNAMIC)) {
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time_t nowtime;
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time(&nowtime);
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if ((nowtime - regseconds) > 0) {
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memset(&peer->addr, 0, sizeof(peer->addr));
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if (option_debug)
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ast_log(LOG_DEBUG, "Bah, we're expired (%ld/%ld/%ld)!\n", nowtime - regseconds, regseconds, nowtime);
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}
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}
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ast_copy_flags(peer, &peerflags, mask.flags);
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if (!found && ast_test_flag(peer, SIP_DYNAMIC))
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reg_source_db(peer);
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@ -9200,7 +9190,7 @@ static int reload_config(void)
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utype = ast_variable_retrieve(cfg, cat, "type");
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if (utype) {
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if (!strcasecmp(utype, "user") || !strcasecmp(utype, "friend")) {
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user = build_user(cat, ast_variable_browse(cfg, cat));
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user = build_user(cat, ast_variable_browse(cfg, cat), 0);
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if (user) {
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ASTOBJ_CONTAINER_LINK(&userl,user);
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ASTOBJ_UNREF(user, sip_destroy_user);
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@ -32,8 +32,7 @@ extern "C" {
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#define ASTOBJ_DEFAULT_BUCKETS 256
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#define ASTOBJ_DEFAULT_HASH ast_strhash
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|
||||
#define ASTOBJ_FLAG_DELME (1 << 0) /* Object has been deleted, remove on last unref */
|
||||
#define ASTOBJ_FLAG_MARKED (1 << 1) /* Object has been marked for possible deletion */
|
||||
#define ASTOBJ_FLAG_MARKED (1 << 0) /* Object has been marked for future operation */
|
||||
|
||||
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
|
||||
#define __builtin_expect(exp, c) (exp)
|
||||
|
@ -81,13 +80,17 @@ extern "C" {
|
|||
|
||||
#define ASTOBJ_UNREF(object,destructor) \
|
||||
do { \
|
||||
int newcount = 0; \
|
||||
ASTOBJ_WRLOCK(object); \
|
||||
if (__builtin_expect((object)->refcount, 1)) \
|
||||
(object)->refcount--; \
|
||||
newcount = --((object)->refcount); \
|
||||
else \
|
||||
ast_log(LOG_WARNING, "Unreferencing unreferenced (object)!\n"); \
|
||||
ASTOBJ_UNLOCK(object); \
|
||||
ASTOBJ_DESTROY(object,destructor); \
|
||||
if (newcount == 0) { \
|
||||
ast_mutex_destroy(&(object)->_lock); \
|
||||
destructor((object)); \
|
||||
} \
|
||||
(object) = NULL; \
|
||||
} while(0)
|
||||
|
||||
|
@ -105,18 +108,6 @@ extern "C" {
|
|||
ASTOBJ_UNLOCK(object); \
|
||||
} while(0)
|
||||
|
||||
#define ASTOBJ_DESTROY(object,destructor) \
|
||||
do { \
|
||||
if (__builtin_expect((object)->refcount, 1)) { \
|
||||
ASTOBJ_WRLOCK(object); \
|
||||
(object)->objflags |= ASTOBJ_FLAG_DELME; \
|
||||
ASTOBJ_UNLOCK(object); \
|
||||
} else { \
|
||||
ast_mutex_destroy(&(object)->_lock); \
|
||||
destructor((object)); \
|
||||
} \
|
||||
} while(0)
|
||||
|
||||
#define ASTOBJ_INIT(object) \
|
||||
do { \
|
||||
ast_mutex_init(&(object)->_lock); \
|
||||
|
@ -190,7 +181,6 @@ extern "C" {
|
|||
ASTOBJ_CONTAINER_WRLOCK(container); \
|
||||
while((iterator = (container)->head)) { \
|
||||
(container)->head = (iterator)->next[0]; \
|
||||
ASTOBJ_DESTROY(iterator,destructor); \
|
||||
ASTOBJ_UNREF(iterator,destructor); \
|
||||
} \
|
||||
ASTOBJ_CONTAINER_UNLOCK(container); \
|
||||
|
@ -203,6 +193,7 @@ extern "C" {
|
|||
ASTOBJ_CONTAINER_TRAVERSE(container, !found, do { \
|
||||
if (!(strcasecmp(iterator->name, (namestr)))) { \
|
||||
found = iterator; \
|
||||
found->next[0] = NULL; \
|
||||
ASTOBJ_CONTAINER_WRLOCK(container); \
|
||||
if (prev) \
|
||||
prev->next[0] = next; \
|
||||
|
@ -223,6 +214,7 @@ extern "C" {
|
|||
ASTOBJ_RDLOCK(iterator); \
|
||||
if (!(comparefunc(iterator->field, (data)))) { \
|
||||
found = iterator; \
|
||||
found->next[0] = NULL; \
|
||||
ASTOBJ_CONTAINER_WRLOCK(container); \
|
||||
if (prev) \
|
||||
prev->next[0] = next; \
|
||||
|
@ -249,7 +241,7 @@ extern "C" {
|
|||
(container)->head = next; \
|
||||
ASTOBJ_CONTAINER_UNLOCK(container); \
|
||||
ASTOBJ_UNLOCK(iterator); \
|
||||
ASTOBJ_DESTROY(iterator,destructor); \
|
||||
ASTOBJ_UNREF(iterator,destructor); \
|
||||
continue; \
|
||||
} \
|
||||
ASTOBJ_UNLOCK(iterator); \
|
||||
|
|
Loading…
Reference in New Issue