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app_queue: Add member flag "in_call" to prevent reading wrong lastcall time

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Member lastcall time is updated later than member status. There was chance to
check wrapuptime for available member with wrong (old) lastcall time.
New boolean flag "in_call" is set to true right before connecting call, and
reset to false after update of lastcall time. Members with "in_call" set to true
are treat as unavailable.

ASTERISK-19820 #close

Change-Id: I1923230cf9859ee51563a8ed420a0628b4d2e500
changes/81/1881/3
Martin Tomec 10 years ago
parent 6bbb59e348
commit 1943cfc53c
1 changed files with 60 additions and 3 deletions
Show Stats Download Patch File Download Diff File

63
apps/app_queue.c
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@ -1208,6 +1208,7 @@ struct member {
int paused; /*!< Are we paused (not accepting calls)? */
int queuepos; /*!< In what order (pertains to certain strategies) should this member be called? */
time_t lastcall; /*!< When last successful call was hungup */
unsigned int in_call:1; /*!< True if member is still in call. (so lastcall is not actual) */
struct call_queue *lastqueue; /*!< Last queue we received a call */
unsigned int dead:1; /*!< Used to detect members deleted in realtime */
unsigned int delme:1; /*!< Flag to delete entry on reload */
@ -1647,6 +1648,10 @@ static int get_member_status(struct call_queue *q, int max_penalty, int min_pena
if (member->paused && (conditions & QUEUE_EMPTY_PAUSED)) {
ast_debug(4, "%s is unavailable because he is paused'\n", member->membername);
break;
} else if ((conditions & QUEUE_EMPTY_WRAPUP) && member->in_call && q->wrapuptime) {
ast_debug(4, "%s is unavailable because still in call, so we can`t check "
"wrapuptime (%d)\n", member->membername, q->wrapuptime);
break;
} else if ((conditions & QUEUE_EMPTY_WRAPUP) && member->lastcall && q->wrapuptime && (time(NULL) - q->wrapuptime < member->lastcall)) {
ast_debug(4, "%s is unavailable because it has only been %d seconds since his last call (wrapup time is %d)\n", member->membername, (int) (time(NULL) - member->lastcall), q->wrapuptime);
break;
@ -1721,6 +1726,13 @@ static int update_status(struct call_queue *q, struct member *m, const int statu
<parameter name="LastCall">
<para>The time this member last took call, expressed in seconds since 00:00, Jan 1, 1970 UTC.</para>
</parameter>
<parameter name="InCall">
<para>Set to 1 if member is in call. Set to 0 after LastCall time is updated.</para>
<enumlist>
<enum name="0"/>
<enum name="1"/>
</enumlist>
</parameter>
<parameter name="Status">
<para>The numeric device state status of the queue member.</para>
<enumlist>
@ -1753,10 +1765,11 @@ static int update_status(struct call_queue *q, struct member *m, const int statu
"Penalty: %d\r\n"
"CallsTaken: %d\r\n"
"LastCall: %d\r\n"
"InCall: %d\r\n"
"Status: %d\r\n"
"Paused: %d\r\n",
q->name, m->interface, m->membername, m->state_interface, m->dynamic ? "dynamic" : m->realtime ? "realtime" : "static",
m->penalty, m->calls, (int)m->lastcall, m->status, m->paused
m->penalty, m->calls, (int)m->lastcall, m->in_call, m->status, m->paused
);
return 0;
@ -1793,6 +1806,9 @@ static int is_member_available(struct call_queue *q, struct member *mem)
}
/* Let wrapuptimes override device state availability */
if (q->wrapuptime && mem->in_call) {
available = 0; /* member is still in call, cant check wrapuptime to lastcall time */
}
if (mem->lastcall && q->wrapuptime && (time(NULL) - q->wrapuptime < mem->lastcall)) {
available = 0;
}
@ -2158,6 +2174,7 @@ static void clear_queue(struct call_queue *q)
while ((mem = ao2_iterator_next(&mem_iter))) {
mem->calls = 0;
mem->lastcall = 0;
mem->in_call = 0;
ao2_ref(mem, -1);
}
ao2_iterator_destroy(&mem_iter);
@ -3624,6 +3641,12 @@ static int can_ring_entry(struct queue_ent *qe, struct callattempt *call)
return 0;
}
if (call->member->in_call && call->lastqueue->wrapuptime) {
ast_debug(1, "%s is in call, so not available (wrapuptime %d)\n",
call->interface, call->lastqueue->wrapuptime);
return 0;
}
if ((call->lastqueue && call->lastqueue->wrapuptime && (time(NULL) - call->lastcall < call->lastqueue->wrapuptime))
|| (!call->lastqueue && qe->parent->wrapuptime && (time(NULL) - call->lastcall < qe->parent->wrapuptime))) {
ast_debug(1, "Wrapuptime not yet expired on queue %s for %s\n",
@ -4903,6 +4926,9 @@ static int update_queue(struct call_queue *q, struct member *member, int callcom
time(&mem->lastcall);
mem->calls++;
mem->lastqueue = q;
mem->in_call = 0;
ast_debug(4, "Marked member %s as NOT in_call. Lastcall time: %ld \n",
mem->membername, (long)mem->lastcall);
ao2_ref(mem, -1);
}
ao2_unlock(qtmp);
@ -4914,6 +4940,9 @@ static int update_queue(struct call_queue *q, struct member *member, int callcom
time(&member->lastcall);
member->calls++;
member->lastqueue = q;
member->in_call = 0;
ast_debug(4, "Marked member %s as NOT in_call. Lastcall time: %ld \n",
member->membername, (long)member->lastcall);
ao2_unlock(q);
}
ao2_lock(q);
@ -5273,6 +5302,9 @@ static int try_calling(struct queue_ent *qe, const struct ast_flags opts, char *
struct ao2_iterator memi;
struct ast_datastore *datastore, *transfer_ds;
struct queue_end_bridge *queue_end_bridge = NULL;
struct ao2_iterator queue_iter; /* to iterate through all queues (for shared_lastcall)*/
struct member *mem;
struct call_queue *queuetmp;
ast_channel_lock(qe->chan);
datastore = ast_channel_datastore_find(qe->chan, &dialed_interface_info, NULL);
@ -5905,6 +5937,28 @@ static int try_calling(struct queue_ent *qe, const struct ast_flags opts, char *
}
}
qe->handled++;
/** mark member as "in_call" in all queues */
if (shared_lastcall) {
queue_iter = ao2_iterator_init(queues, 0);
while ((queuetmp = ao2_t_iterator_next(&queue_iter, "Iterate through queues"))) {
ao2_lock(queuetmp);
if ((mem = ao2_find(queuetmp->members, member, OBJ_POINTER))) {
mem->in_call = 1;
ast_debug(4, "Marked member %s as in_call \n", mem->membername);
ao2_ref(mem, -1);
}
ao2_unlock(queuetmp);
queue_t_unref(queuetmp, "Done with iterator");
}
ao2_iterator_destroy(&queue_iter);
} else {
ao2_lock(qe->parent);
member->in_call = 1;
ast_debug(4, "Marked member %s as in_call \n", member->membername);
ao2_unlock(qe->parent);
}
ast_queue_log(queuename, ast_channel_uniqueid(qe->chan), member->membername, "CONNECT", "%ld|%s|%ld", (long) (time(NULL) - qe->start), ast_channel_uniqueid(peer),
(long)(orig - to > 0 ? (orig - to) / 1000 : 0));
@ -8455,10 +8509,11 @@ static char *__queues_show(struct mansession *s, int fd, int argc, const char *
ast_str_append(&out, 0, " (ringinuse %s)", mem->ringinuse ? "enabled" : "disabled");
ast_str_append(&out, 0, "%s%s%s (%s)",
ast_str_append(&out, 0, "%s%s%s%s (%s)",
mem->dynamic ? " (dynamic)" : "",
mem->realtime ? " (realtime)" : "",
mem->paused ? " (paused)" : "",
mem->in_call ? " (in call)" : "",
ast_devstate2str(mem->status));
if (mem->calls) {
ast_str_append(&out, 0, " has taken %d calls (last was %ld secs ago)",
@ -8817,12 +8872,14 @@ static int manager_queues_status(struct mansession *s, const struct message *m)
"Penalty: %d\r\n"
"CallsTaken: %d\r\n"
"LastCall: %d\r\n"
"IsInCall: %d\r\n"
"Status: %d\r\n"
"Paused: %d\r\n"
"%s"
"\r\n",
q->name, mem->membername, mem->interface, mem->state_interface, mem->dynamic ? "dynamic" : "static",
mem->penalty, mem->calls, (int)mem->lastcall, mem->status, mem->paused, idText);
mem->penalty, mem->calls, (int)mem->lastcall, mem->in_call, mem->status,
mem->paused, idText);
}
ao2_ref(mem, -1);
}

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