[asterisk-commits] oej: branch oej/pinetree-1.4 r215880 - in /team/oej/pinetree-1.4: ./ channels...
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Thu Sep 3 01:57:43 CDT 2009
Author: oej
Date: Thu Sep 3 01:57:38 2009
New Revision: 215880
URL: http://svn.asterisk.org/svn-view/asterisk?view=rev&rev=215880
Log:
Reset automerge on this branch after Terry's assault ;-)
Modified:
team/oej/pinetree-1.4/ (props changed)
team/oej/pinetree-1.4/channels/chan_sip.c
team/oej/pinetree-1.4/utils/Makefile
Propchange: team/oej/pinetree-1.4/
------------------------------------------------------------------------------
--- svnmerge-integrated (original)
+++ svnmerge-integrated Thu Sep 3 01:57:38 2009
@@ -1,1 +1,1 @@
-/branches/1.4:1-215286
+/branches/1.4:1-215879
Modified: team/oej/pinetree-1.4/channels/chan_sip.c
URL: http://svn.asterisk.org/svn-view/asterisk/team/oej/pinetree-1.4/channels/chan_sip.c?view=diff&rev=215880&r1=215879&r2=215880
==============================================================================
--- team/oej/pinetree-1.4/channels/chan_sip.c (original)
+++ team/oej/pinetree-1.4/channels/chan_sip.c Thu Sep 3 01:57:38 2009
@@ -211,6 +211,7 @@
\todo Use known T1 for timeout (peerpoke)
*/
#define DEFAULT_TRANS_TIMEOUT -1 /* Use default SIP transaction timeout */
+#define PROVIS_KEEPALIVE_TIMEOUT 60000 /*!< How long to wait before retransmitting a provisional response (rfc 3261 13.3.1.1) */
#define MAX_AUTHTRIES 3 /*!< Try authentication three times, then fail */
#define SIP_MAX_HEADERS 64 /*!< Max amount of SIP headers to read */
@@ -1041,6 +1042,8 @@
struct ast_variable *chanvars; /*!< Channel variables to set for inbound call */
AST_LIST_HEAD_NOLOCK(request_queue, sip_request) request_queue; /*!< Requests that arrived but could not be processed immediately */
int request_queue_sched_id; /*!< Scheduler ID of any scheduled action to process queued requests */
+ int provisional_keepalive_sched_id; /*!< Scheduler ID for provisional responses that need to be sent out to avoid cancellation */
+ const char *last_provisional; /*!< The last successfully transmitted provisonal response message */
struct sip_pvt *next; /*!< Next dialog in chain */
struct sip_invite_param *options; /*!< Options for INVITE */
int autoframing;
@@ -1298,6 +1301,7 @@
static int transmit_response_with_sdp(struct sip_pvt *p, const char *msg, const struct sip_request *req, enum xmittype reliable);
static int transmit_response_with_unsupported(struct sip_pvt *p, const char *msg, const struct sip_request *req, const char *unsupported);
static int transmit_response_with_auth(struct sip_pvt *p, const char *msg, const struct sip_request *req, const char *rand, enum xmittype reliable, const char *header, int stale);
+static int transmit_provisional_response(struct sip_pvt *p, const char *msg, const struct sip_request *req, int with_sdp);
static int transmit_response_with_allow(struct sip_pvt *p, const char *msg, const struct sip_request *req, enum xmittype reliable);
static void transmit_fake_auth_response(struct sip_pvt *p, int sipmethod, struct sip_request *req, enum xmittype reliable);
static int transmit_request(struct sip_pvt *p, int sipmethod, int inc, enum xmittype reliable, int newbranch);
@@ -2332,6 +2336,46 @@
}
}
+static int send_provisional_keepalive_full(struct sip_pvt *pvt, int with_sdp)
+{
+ const char *msg = NULL;
+
+ if (!pvt->last_provisional || !strncasecmp(pvt->last_provisional, "100", 3)) {
+ msg = "183 Session Progress";
+ }
+
+ if (pvt->invitestate < INV_COMPLETED) {
+ if (with_sdp) {
+ transmit_response_with_sdp(pvt, S_OR(msg, pvt->last_provisional), &pvt->initreq, XMIT_UNRELIABLE);
+ } else {
+ transmit_response(pvt, S_OR(msg, pvt->last_provisional), &pvt->initreq);
+ }
+ return PROVIS_KEEPALIVE_TIMEOUT;
+ }
+
+ return 0;
+}
+
+static int send_provisional_keepalive(const void *data) {
+ struct sip_pvt *pvt = (struct sip_pvt *) data;
+
+ return send_provisional_keepalive_full(pvt, 0);
+}
+
+static int send_provisional_keepalive_with_sdp(const void *data) {
+ struct sip_pvt *pvt = (void *)data;
+
+ return send_provisional_keepalive_full(pvt, 1);
+}
+
+static void update_provisional_keepalive(struct sip_pvt *pvt, int with_sdp)
+{
+ AST_SCHED_DEL(sched, pvt->provisional_keepalive_sched_id);
+
+ pvt->provisional_keepalive_sched_id = ast_sched_add(sched, PROVIS_KEEPALIVE_TIMEOUT,
+ with_sdp ? send_provisional_keepalive_with_sdp : send_provisional_keepalive, pvt);
+}
+
/*! \brief Transmit response on SIP request*/
static int send_response(struct sip_pvt *p, struct sip_request *req, enum xmittype reliable, int seqno)
{
@@ -2352,6 +2396,12 @@
append_history(p, reliable ? "TxRespRel" : "TxResp", "%s / %s - %s", tmp.data, get_header(&tmp, "CSeq"),
(tmp.method == SIP_RESPONSE || tmp.method == SIP_UNKNOWN) ? tmp.rlPart2 : sip_methods[tmp.method].text);
}
+
+ /* If we are sending a final response to an INVITE, stop retransmitting provisional responses */
+ if (p->initreq.method == SIP_INVITE && reliable == XMIT_CRITICAL) {
+ AST_SCHED_DEL(sched, p->provisional_keepalive_sched_id);
+ }
+
res = (reliable) ?
__sip_reliable_xmit(p, seqno, 1, req->data, req->len, (reliable == XMIT_CRITICAL), req->method) :
__sip_xmit(p, req->data, req->len);
@@ -3239,6 +3289,7 @@
AST_SCHED_DEL(sched, p->waitid);
AST_SCHED_DEL(sched, p->autokillid);
AST_SCHED_DEL(sched, p->request_queue_sched_id);
+ AST_SCHED_DEL(sched, p->provisional_keepalive_sched_id);
if (p->rtp) {
ast_rtp_destroy(p->rtp);
@@ -3855,7 +3906,7 @@
!ast_test_flag(&p->flags[0], SIP_OUTGOING)) {
ast_rtp_new_source(p->rtp);
p->invitestate = INV_EARLY_MEDIA;
- transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, XMIT_UNRELIABLE);
+ transmit_provisional_response(p, "183 Session Progress", &p->initreq, 1);
ast_set_flag(&p->flags[0], SIP_PROGRESS_SENT);
} else if (p->t38.state == T38_ENABLED && !p->t38.direct) {
p->t38.state = T38_DISABLED;
@@ -3877,7 +3928,7 @@
!ast_test_flag(&p->flags[0], SIP_PROGRESS_SENT) &&
!ast_test_flag(&p->flags[0], SIP_OUTGOING)) {
p->invitestate = INV_EARLY_MEDIA;
- transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, XMIT_UNRELIABLE);
+ transmit_provisional_response(p, "183 Session Progress", &p->initreq, 1);
ast_set_flag(&p->flags[0], SIP_PROGRESS_SENT);
}
p->lastrtptx = time(NULL);
@@ -4048,7 +4099,7 @@
if (!ast_test_flag(&p->flags[0], SIP_PROGRESS_SENT) ||
(ast_test_flag(&p->flags[0], SIP_PROG_INBAND) == SIP_PROG_INBAND_NEVER)) {
/* Send 180 ringing if out-of-band seems reasonable */
- transmit_response(p, "180 Ringing", &p->initreq);
+ transmit_provisional_response(p, "180 Ringing", &p->initreq, 0);
ast_set_flag(&p->flags[0], SIP_RINGING);
if (ast_test_flag(&p->flags[0], SIP_PROG_INBAND) != SIP_PROG_INBAND_YES)
break;
@@ -4093,7 +4144,7 @@
!ast_test_flag(&p->flags[0], SIP_PROGRESS_SENT) &&
!ast_test_flag(&p->flags[0], SIP_OUTGOING)) {
p->invitestate = INV_EARLY_MEDIA;
- transmit_response_with_sdp(p, "183 Session Progress", &p->initreq, XMIT_UNRELIABLE);
+ transmit_provisional_response(p, "183 Session Progress", &p->initreq, 1);
ast_set_flag(&p->flags[0], SIP_PROGRESS_SENT);
break;
}
@@ -4605,6 +4656,7 @@
p->waitid = -1;
p->autokillid = -1;
p->request_queue_sched_id = -1;
+ p->provisional_keepalive_sched_id = -1;
p->subscribed = NONE;
p->stateid = -1;
p->prefs = default_prefs; /* Set default codecs for this call */
@@ -6634,6 +6686,19 @@
add_header_contentLength(&resp, 0);
append_history(p, "AuthChal", "Auth challenge sent for %s - nc %d", p->username, p->noncecount);
return send_response(p, &resp, reliable, seqno);
+}
+
+/* Only use a static string for the msg, here! */
+static int transmit_provisional_response(struct sip_pvt *p, const char *msg, const struct sip_request *req, int with_sdp)
+{
+ int res;
+
+ if (!(res = with_sdp ? transmit_response_with_sdp(p, msg, req, XMIT_UNRELIABLE) : transmit_response(p, msg, req))) {
+ p->last_provisional = msg;
+ update_provisional_keepalive(p, with_sdp);
+ }
+
+ return res;
}
/*! \brief Add text body to SIP message */
@@ -15110,7 +15175,7 @@
case AST_STATE_DOWN:
if (option_debug > 1)
ast_log(LOG_DEBUG, "%s: New call is still down.... Trying... \n", c->name);
- transmit_response(p, "100 Trying", req);
+ transmit_provisional_response(p, "100 Trying", req, 0);
p->invitestate = INV_PROCEEDING;
ast_setstate(c, AST_STATE_RING);
if (strcmp(p->exten, ast_pickup_ext())) { /* Call to extension -start pbx on this call */
@@ -15174,7 +15239,7 @@
}
break;
case AST_STATE_RING:
- transmit_response(p, "100 Trying", req);
+ transmit_provisional_response(p, "100 Trying", req, 0);
p->invitestate = INV_PROCEEDING;
break;
case AST_STATE_RINGING:
Modified: team/oej/pinetree-1.4/utils/Makefile
URL: http://svn.asterisk.org/svn-view/asterisk/team/oej/pinetree-1.4/utils/Makefile?view=diff&rev=215880&r1=215879&r2=215880
==============================================================================
--- team/oej/pinetree-1.4/utils/Makefile (original)
+++ team/oej/pinetree-1.4/utils/Makefile Thu Sep 3 01:57:38 2009
@@ -26,7 +26,7 @@
# changes are made to ast_expr2.y or ast_expr2.fl (or the corresponding .c files),
# as a regression test. Others (mere mortals?) need not bother, but they are
# more than welcome to play! The regression test itself is in expr2.testinput.
-ALL_UTILS:=astman smsq stereorize streamplayer aelparse muted
+ALL_UTILS:=astman smsq stereorize streamplayer aelparse
UTILS:=$(ALL_UTILS)
include $(ASTTOPDIR)/Makefile.rules
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