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-rw-r--r--channels/chan_sip.c158
1 files changed, 68 insertions, 90 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 8a8ae8150..046d4abfb 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -1726,7 +1726,7 @@ static struct sip_pvt *sip_alloc(ast_string_field callid, struct sockaddr_in *si
int useglobal_nat, const int intended_method);
static int __sip_autodestruct(const void *data);
static void sip_scheddestroy(struct sip_pvt *p, int ms);
-static void sip_cancel_destroy(struct sip_pvt *p);
+static int sip_cancel_destroy(struct sip_pvt *p);
static struct sip_pvt *sip_destroy(struct sip_pvt *p);
static void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist);
static void __sip_ack(struct sip_pvt *p, int seqno, int resp, int sipmethod);
@@ -2819,11 +2819,12 @@ static enum sip_result __sip_reliable_xmit(struct sip_pvt *p, int seqno, int res
if (xmitres == XMIT_ERROR) { /* Serious network trouble, no need to try again */
append_history(pkt->owner, "XmitErr", "%s", pkt->is_fatal ? "(Critical)" : "(Non-critical)");
- ast_sched_del(sched, pkt->retransid); /* No more retransmission */
- pkt->retransid = -1;
return AST_FAILURE;
- } else
+ } else {
+ /* Schedule retransmission */
+ pkt->retransid = ast_sched_add_variable(sched, siptimer_a, retrans_pkt, pkt, 1);
return AST_SUCCESS;
+ }
}
/*! \brief Kill a SIP dialog (called only by the scheduler)
@@ -2889,7 +2890,9 @@ static void sip_scheddestroy(struct sip_pvt *p, int ms)
}
if (sip_debug_test_pvt(p))
ast_verbose("Scheduling destruction of SIP dialog '%s' in %d ms (Method: %s)\n", p->callid, ms, sip_methods[p->method].text);
- sip_cancel_destroy(p);
+ if (sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
+
if (p->do_history)
append_history(p, "SchedDestroy", "%d ms", ms);
p->autokillid = ast_sched_add(sched, ms, __sip_autodestruct, dialog_ref(p));
@@ -2902,14 +2905,17 @@ static void sip_scheddestroy(struct sip_pvt *p, int ms)
* Be careful as this also absorbs the reference - if you call it
* from within the scheduler, this might be the last reference.
*/
-static void sip_cancel_destroy(struct sip_pvt *p)
+static int sip_cancel_destroy(struct sip_pvt *p)
{
+ int res = 0;
if (p->autokillid > -1) {
- ast_sched_del(sched, p->autokillid);
- append_history(p, "CancelDestroy", "");
- p->autokillid = -1;
+ if (!(res = ast_sched_del(sched, p->autokillid))) {
+ append_history(p, "CancelDestroy", "");
+ p->autokillid = -1;
+ }
dialog_unref(p);
}
+ return res;
}
/*! \brief Acknowledges receipt of a packet and stops retransmission */
@@ -2940,8 +2946,6 @@ static void __sip_ack(struct sip_pvt *p, int seqno, int resp, int sipmethod)
if (cur->retransid > -1) {
if (sipdebug)
ast_debug(4, "** SIP TIMER: Cancelling retransmit of packet (reply received) Retransid #%d\n", cur->retransid);
- ast_sched_del(sched, cur->retransid);
- cur->retransid = -1;
}
UNLINK(cur, p->packets, prev);
dialog_unref(cur->owner);
@@ -2985,9 +2989,8 @@ static int __sip_semi_ack(struct sip_pvt *p, int seqno, int resp, int sipmethod)
if (cur->retransid > -1) {
if (sipdebug)
ast_debug(4, "*** SIP TIMER: Cancelling retransmission #%d - %s (got response)\n", cur->retransid, sip_methods[sipmethod].text);
- ast_sched_del(sched, cur->retransid);
- cur->retransid = -1;
}
+ AST_SCHED_DEL(sched, cur->retransid);
res = 0;
break;
}
@@ -3400,10 +3403,8 @@ static void sip_destroy_peer(struct sip_peer *peer)
*
* NOTE: once peer is refcounted, this probably is no longer necessary.
*/
- while (peer->expire > -1 && ast_sched_del(sched, peer->expire))
- usleep(1);
- while (peer->pokeexpire > -1 && ast_sched_del(sched, peer->pokeexpire))
- usleep(1);
+ AST_SCHED_DEL(sched, peer->expire);
+ AST_SCHED_DEL(sched, peer->pokeexpire);
register_peer_exten(peer, FALSE);
ast_free_ha(peer->ha);
@@ -4105,10 +4106,8 @@ static void sip_registry_destroy(struct sip_registry *reg)
ast_debug(3, "Destroying active SIP dialog for registry %s@%s\n", reg->username, reg->hostname);
reg->call = sip_destroy(reg->call);
}
- if (reg->expire > -1)
- ast_sched_del(sched, reg->expire);
- if (reg->timeout > -1)
- ast_sched_del(sched, reg->timeout);
+ AST_SCHED_DEL(sched, reg->expire);
+ AST_SCHED_DEL(sched, reg->timeout);
ast_string_field_free_memory(reg);
regobjs--;
ast_free(reg);
@@ -4141,12 +4140,9 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
if (p->stateid > -1)
ast_extension_state_del(p->stateid, NULL);
- if (p->initid > -1)
- ast_sched_del(sched, p->initid);
- if (p->waitid > -1)
- ast_sched_del(sched, p->waitid);
- if (p->autokillid > -1)
- ast_sched_del(sched, p->autokillid);
+ AST_SCHED_DEL(sched, p->initid);
+ AST_SCHED_DEL(sched, p->waitid);
+ AST_SCHED_DEL(sched, p->autokillid);
if (p->rtp)
ast_rtp_destroy(p->rtp);
@@ -4214,8 +4210,7 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
/* remove all current packets in this dialog */
while((cp = p->packets)) {
p->packets = p->packets->next;
- if (cp->retransid > -1)
- ast_sched_del(sched, cp->retransid);
+ AST_SCHED_DEL(sched, cp->retransid);
dialog_unref(cp->owner);
ast_free(cp);
}
@@ -4544,8 +4539,8 @@ static int sip_hangup(struct ast_channel *ast)
update_call_counter(p, DEC_CALL_LIMIT);
}
ast_debug(4, "SIP Transfer: Not hanging up right now... Rescheduling hangup for %s.\n", p->callid);
- if (p->autokillid > -1)
- sip_cancel_destroy(p);
+ if (p->autokillid > -1 && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT);
ast_clear_flag(&p->flags[0], SIP_DEFER_BYE_ON_TRANSFER); /* Really hang up next time */
p->needdestroy = 0;
@@ -4675,10 +4670,9 @@ static int sip_hangup(struct ast_channel *ast)
but we can't send one while we have "INVITE" outstanding. */
ast_set_flag(&p->flags[0], SIP_PENDINGBYE);
ast_clear_flag(&p->flags[0], SIP_NEEDREINVITE);
- if (p->waitid)
- ast_sched_del(sched, p->waitid);
- p->waitid = -1;
- sip_cancel_destroy(p);
+ AST_SCHED_DEL(sched, p->waitid);
+ if (sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
}
}
}
@@ -8989,7 +8983,7 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
global_reg_timeout * 1000, sip_reg_timeout, r);
ast_log(LOG_WARNING, "Still have a registration timeout for %s@%s (create_addr() error), %d\n", r->username, r->hostname, r->timeout);
} else {
- r->timeout = ast_sched_add(sched, global_reg_timeout*1000, sip_reg_timeout, r);
+ r->timeout = ast_sched_add(sched, global_reg_timeout * 1000, sip_reg_timeout, r);
ast_log(LOG_WARNING, "Probably a DNS error for registration to %s@%s, trying REGISTER again (after %d seconds)\n", r->username, r->hostname, global_reg_timeout);
}
r->regattempts++;
@@ -9551,9 +9545,7 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
} else if (!strcasecmp(curi, "*") || !expiry) { /* Unregister this peer */
/* This means remove all registrations and return OK */
memset(&peer->addr, 0, sizeof(peer->addr));
- if (peer->expire > -1)
- ast_sched_del(sched, peer->expire);
- peer->expire = -1;
+ AST_SCHED_DEL(sched, peer->expire);
destroy_association(peer);
@@ -9610,10 +9602,7 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
if (!ast_strlen_zero(curi) && ast_strlen_zero(peer->username))
ast_copy_string(peer->username, curi, sizeof(peer->username));
- if (peer->expire > -1) {
- ast_sched_del(sched, peer->expire);
- peer->expire = -1;
- }
+ AST_SCHED_DEL(sched, peer->expire);
if (expiry > max_expiry)
expiry = max_expiry;
if (expiry < min_expiry)
@@ -9983,8 +9972,8 @@ static int cb_extensionstate(char *context, char* exten, int state, void *data)
switch(state) {
case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
case AST_EXTENSION_REMOVED: /* Extension is gone */
- if (p->autokillid > -1)
- sip_cancel_destroy(p); /* Remove subscription expiry for renewals */
+ if (p->autokillid > -1 && sip_cancel_destroy(p)) /* Remove subscription expiry for renewals */
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
sip_scheddestroy(p, DEFAULT_TRANS_TIMEOUT); /* Delete subscription in 32 secs */
ast_verb(2, "Extension state: Watcher for hint %s %s. Notify User %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", p->username);
p->stateid = -1;
@@ -10113,7 +10102,8 @@ static enum check_auth_result register_verify(struct sip_pvt *p, struct sockaddr
if (ast_test_flag(&p->flags[1], SIP_PAGE2_REGISTERTRYING))
transmit_response(p, "100 Trying", req);
if (!(res = check_auth(p, req, peer->name, peer->secret, peer->md5secret, SIP_REGISTER, uri, XMIT_UNRELIABLE, req->ignore))) {
- sip_cancel_destroy(p);
+ if (sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
/* We have a successful registration attempt with proper authentication,
now, update the peer */
@@ -10146,7 +10136,8 @@ static enum check_auth_result register_verify(struct sip_pvt *p, struct sockaddr
peer = temp_peer(name);
if (peer) {
ASTOBJ_CONTAINER_LINK(&peerl, peer);
- sip_cancel_destroy(p);
+ if (sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
switch (parse_register_contact(p, peer, req)) {
case PARSE_REGISTER_FAILED:
ast_log(LOG_WARNING, "Failed to parse contact info\n");
@@ -14252,11 +14243,8 @@ static void handle_response_invite(struct sip_pvt *p, int resp, char *rest, stru
}
/* Acknowledge sequence number - This only happens on INVITE from SIP-call */
- if (p->initid > -1) {
- /* Don't auto congest anymore since we've gotten something useful back */
- ast_sched_del(sched, p->initid);
- p->initid = -1;
- }
+ /* Don't auto congest anymore since we've gotten something useful back */
+ AST_SCHED_DEL(sched, p->initid);
/* RFC3261 says we must treat every 1xx response (but not 100)
that we don't recognize as if it was 183.
@@ -14276,15 +14264,15 @@ static void handle_response_invite(struct sip_pvt *p, int resp, char *rest, stru
switch (resp) {
case 100: /* Trying */
case 101: /* Dialog establishment */
- if (!req->ignore && p->invitestate != INV_CANCELLED)
- sip_cancel_destroy(p);
+ if (!req->ignore && p->invitestate != INV_CANCELLED && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
check_pendings(p);
break;
case 180: /* 180 Ringing */
case 182: /* 182 Queued */
- if (!req->ignore && p->invitestate != INV_CANCELLED)
- sip_cancel_destroy(p);
+ if (!req->ignore && p->invitestate != INV_CANCELLED && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
if (!req->ignore && p->owner) {
ast_queue_control(p->owner, AST_CONTROL_RINGING);
if (p->owner->_state != AST_STATE_UP) {
@@ -14304,8 +14292,8 @@ static void handle_response_invite(struct sip_pvt *p, int resp, char *rest, stru
break;
case 183: /* Session progress */
- if (!req->ignore && (p->invitestate != INV_CANCELLED))
- sip_cancel_destroy(p);
+ if (!req->ignore && (p->invitestate != INV_CANCELLED) && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
/* Ignore 183 Session progress without SDP */
if (find_sdp(req)) {
if (p->invitestate != INV_CANCELLED)
@@ -14320,8 +14308,8 @@ static void handle_response_invite(struct sip_pvt *p, int resp, char *rest, stru
break;
case 200: /* 200 OK on invite - someone's answering our call */
- if (!req->ignore && (p->invitestate != INV_CANCELLED))
- sip_cancel_destroy(p);
+ if (!req->ignore && (p->invitestate != INV_CANCELLED) && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
p->authtries = 0;
if (find_sdp(req)) {
if ((res = process_sdp(p, req)) && !req->ignore)
@@ -14670,8 +14658,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
break;
case 403: /* Forbidden */
ast_log(LOG_WARNING, "Forbidden - wrong password on authentication for REGISTER for '%s' to '%s'\n", p->registry->username, p->registry->hostname);
- ast_sched_del(sched, r->timeout);
- r->timeout = -1;
+ AST_SCHED_DEL(sched, r->timeout);
r->regstate = REG_STATE_NOAUTH;
p->needdestroy = 1;
break;
@@ -14680,8 +14667,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
p->needdestroy = 1;
r->call = NULL;
r->regstate = REG_STATE_REJECTED;
- ast_sched_del(sched, r->timeout);
- r->timeout = -1;
+ AST_SCHED_DEL(sched, r->timeout);
break;
case 407: /* Proxy auth */
if (p->authtries == MAX_AUTHTRIES || do_register_auth(p, req, resp)) {
@@ -14694,8 +14680,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
p->registry->regattempts = global_regattempts_max+1;
p->needdestroy = 1;
r->call = NULL;
- ast_sched_del(sched, r->timeout);
- r->timeout = -1;
+ AST_SCHED_DEL(sched, r->timeout);
break;
case 423: /* Interval too brief */
r->expiry = atoi(get_header(req, "Min-Expires"));
@@ -14721,8 +14706,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
p->needdestroy = 1;
r->call = NULL;
r->regstate = REG_STATE_REJECTED;
- ast_sched_del(sched, r->timeout);
- r->timeout = -1;
+ AST_SCHED_DEL(sched, r->timeout);
break;
case 200: /* 200 OK */
if (!r) {
@@ -14738,9 +14722,8 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
ast_debug(1, "Registration successful\n");
if (r->timeout > -1) {
ast_debug(1, "Cancelling timeout %d\n", r->timeout);
- ast_sched_del(sched, r->timeout);
}
- r->timeout=-1;
+ AST_SCHED_DEL(sched, r->timeout);
r->call = NULL;
p->registry = NULL;
/* Let this one hang around until we have all the responses */
@@ -14749,8 +14732,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
/* set us up for re-registering */
/* figure out how long we got registered for */
- if (r->expire > -1)
- ast_sched_del(sched, r->expire);
+ AST_SCHED_DEL(sched, r->expire);
/* according to section 6.13 of RFC, contact headers override
expires headers, so check those first */
expires = 0;
@@ -15133,8 +15115,8 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
p->needdestroy = 1;
} else if ((resp >= 100) && (resp < 200)) {
if (sipmethod == SIP_INVITE) {
- if (!req->ignore)
- sip_cancel_destroy(p);
+ if (!req->ignore && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
if (find_sdp(req))
process_sdp(p, req);
if (p->owner) {
@@ -15232,8 +15214,8 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
default: /* Errors without handlers */
if ((resp >= 100) && (resp < 200)) {
if (sipmethod == SIP_INVITE) { /* re-invite */
- if (!req->ignore)
- sip_cancel_destroy(p);
+ if (!req->ignore && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
}
}
if ((resp >= 300) && (resp < 700)) {
@@ -15246,9 +15228,9 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
case 503: /* Service Unavailable */
case 504: /* Server timeout */
- if (sipmethod == SIP_INVITE) { /* re-invite failed */
- sip_cancel_destroy(p);
- }
+ /* re-invite failed */
+ if (sipmethod == SIP_INVITE && sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
break;
}
}
@@ -16048,7 +16030,8 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
if (!req->ignore) {
int newcall = (p->initreq.headers ? TRUE : FALSE);
- sip_cancel_destroy(p);
+ if (sip_cancel_destroy(p))
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
/* This also counts as a pending invite */
p->pendinginvite = seqno;
check_via(p, req);
@@ -17427,8 +17410,8 @@ static int handle_request_subscribe(struct sip_pvt *p, struct sip_request *req,
else
ast_debug(2, "Adding subscription for extension %s context %s for peer %s\n", p->exten, p->context, p->username);
}
- if (p->autokillid > -1)
- sip_cancel_destroy(p); /* Remove subscription expiry for renewals */
+ if (p->autokillid > -1 && sip_cancel_destroy(p)) /* Remove subscription expiry for renewals */
+ ast_log(LOG_WARNING, "Unable to cancel SIP destruction. Expect bad things.\n");
if (p->expiry > 0)
sip_scheddestroy(p, (p->expiry + 10) * 1000); /* Set timer for destruction of call at expiration */
@@ -18578,10 +18561,8 @@ static int sip_poke_peer(struct sip_peer *peer)
if (!peer->maxms || !peer->addr.sin_addr.s_addr) {
/* IF we have no IP, or this isn't to be monitored, return
immediately after clearing things out */
- if (peer->pokeexpire > -1)
- ast_sched_del(sched, peer->pokeexpire);
+ AST_SCHED_DEL(sched, peer->pokeexpire);
peer->lastms = 0;
- peer->pokeexpire = -1;
peer->call = NULL;
return 0;
}
@@ -18613,8 +18594,7 @@ static int sip_poke_peer(struct sip_peer *peer)
build_via(p);
build_callid_pvt(p);
- if (peer->pokeexpire > -1)
- ast_sched_del(sched, peer->pokeexpire);
+ AST_SCHED_DEL(sched, peer->pokeexpire);
p->relatedpeer = peer;
ast_set_flag(&p->flags[0], SIP_OUTGOING);
#ifdef VOCAL_DATA_HACK
@@ -19563,9 +19543,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str
peer->host_dynamic = TRUE;
} else {
/* Non-dynamic. Make sure we become that way if we're not */
- if (peer->expire > -1)
- ast_sched_del(sched, peer->expire);
- peer->expire = -1;
+ AST_SCHED_DEL(sched, peer->expire);
peer->host_dynamic = FALSE;
srvlookup = v->value;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 12:42:49 +0000