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chan-capi
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Do not update CAPI LI state if PLCI is about to be removed. This reduces the overall sysm load in case high amount of users leaves the conference

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master
MelwareDE 12 years ago
parent 58cf952292
commit 08db9b6db3
1 changed files with 45 additions and 22 deletions
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  1. 67
      chan_capi_chat.c

67
chan_capi_chat.c
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@ -226,7 +226,19 @@ static struct capichat_s* update_capi_mixer_part(
return (new_chat_start);
}
static void update_capi_mixer(int remove, unsigned int roomnumber, struct capi_pvt *i, deffered_chat_capi_message_t* update_segment)
/*!
* \note CAPI updates LI state on PLCI removal.
* If expect_plci_removal is true then do not send
* CAPI LI commands. All other actions are taken to
* ensure all side effects apply. CAPI updates LI
* state on PLCI removal.
*/
static void update_capi_mixer(
int remove,
unsigned int roomnumber,
struct capi_pvt *i,
deffered_chat_capi_message_t* update_segment,
int expect_plci_removal)
{
struct capichat_s *room;
unsigned int overall_found;
@ -280,15 +292,17 @@ static void update_capi_mixer(int remove, unsigned int roomnumber, struct capi_p
if (update_segment == 0) {
for (nr = 0; nr < segment_nr; nr++) {
if (segments[nr].busy != 0) {
cc_verbose(3, 1, VERBOSE_PREFIX_3 CC_MESSAGE_NAME
" mixer: %s PLCI=0x%04x LI=0x%x\n", i->vname, i->PLCI, segments[nr].datapath);
capi_sendf(NULL, 0, CAPI_FACILITY_REQ, i->PLCI, get_capi_MessageNumber(),
"w(w(dc))",
FACILITYSELECTOR_LINE_INTERCONNECT,
0x0001, /* CONNECT */
segments[nr].datapath,
&segments[nr].p_struct);
if (expect_plci_removal == 0) {
cc_verbose(3, 1, VERBOSE_PREFIX_3 CC_MESSAGE_NAME
" mixer: %s PLCI=0x%04x LI=0x%x\n", i->vname, i->PLCI, segments[nr].datapath);
capi_sendf(NULL, 0, CAPI_FACILITY_REQ, i->PLCI, get_capi_MessageNumber(),
"w(w(dc))",
FACILITYSELECTOR_LINE_INTERCONNECT,
0x0001, /* CONNECT */
segments[nr].datapath,
&segments[nr].p_struct);
}
}
}
}
@ -330,7 +344,7 @@ static void update_all_capi_mixers(unsigned int roomnumber)
for (nr = 0; nr < nr_segments; nr++) {
segment[nr].busy = 0;
}
update_capi_mixer(0, roomnumber, room->i, segment);
update_capi_mixer(0, roomnumber, room->i, segment, 0);
if (segment[0].busy != 0) {
PLCIS[i++] = room->i->PLCI;
}
@ -362,7 +376,7 @@ static void update_all_capi_mixers(unsigned int roomnumber)
/*
* delete a chat member
*/
static void del_chat_member(struct capichat_s *room)
static void del_chat_member(struct capichat_s *room, int expect_plci_removal)
{
struct capichat_s *tmproom;
struct capichat_s *tmproom2 = NULL;
@ -387,7 +401,7 @@ static void del_chat_member(struct capichat_s *room)
}
cc_mutex_unlock(&chat_lock);
update_capi_mixer(1, roomnumber, i, 0);
update_capi_mixer(1, roomnumber, i, 0, expect_plci_removal);
}
/*
@ -453,7 +467,7 @@ static struct capichat_s *add_chat_member(const char *roomname, struct capi_pvt
cc_verbose(3, 0, VERBOSE_PREFIX_3 "%s: added new chat member to room '%s' %s(%d)\n",
i->vname, roomname, room_member_type_2_name(room_member_type), roomnumber);
update_capi_mixer(0, roomnumber, i, 0);
update_capi_mixer(0, roomnumber, i, 0, 0);
return room;
}
@ -463,7 +477,7 @@ static struct capichat_s *add_chat_member(const char *roomname, struct capi_pvt
*/
static void chat_handle_events(struct ast_channel *c, struct capi_pvt *i,
struct capichat_s *room, unsigned int flags, struct capi_pvt* iline,
FILE* voice_message, unsigned int hangup_timeout)
FILE* voice_message, unsigned int hangup_timeout, int* pbx_detected_hangup)
{
struct ast_frame *f;
int ms;
@ -476,6 +490,10 @@ static void chat_handle_events(struct ast_channel *c, struct capi_pvt *i,
int moh_active = 0, voice_message_moh_active = 0;
int write_block_nr = 2;
time_t alone_since = time(NULL);
int local_detected_hangup;
int* detected_hangup = (pbx_detected_hangup != NULL) ? pbx_detected_hangup : &local_detected_hangup;
*detected_hangup = 0;
if (voice_message == NULL) {
ast_indicate(chan, -1);
@ -521,6 +539,7 @@ static void chat_handle_events(struct ast_channel *c, struct capi_pvt *i,
continue;
cc_verbose(3, 1, VERBOSE_PREFIX_3 "%s: chat: no frame, hangup.\n",
i->vname);
*detected_hangup = 1;
break;
}
if ((f->frametype == AST_FRAME_CONTROL) &&
@ -528,6 +547,7 @@ static void chat_handle_events(struct ast_channel *c, struct capi_pvt *i,
cc_verbose(3, 1, VERBOSE_PREFIX_3 "%s: chat: hangup frame.\n",
i->vname);
ast_frfree(f);
*detected_hangup = 1;
break;
} else if (f->frametype == AST_FRAME_VOICE) {
cc_verbose(5, 1, VERBOSE_PREFIX_3 "%s: chat: voice frame.\n",
@ -642,6 +662,7 @@ int pbx_capi_chat(struct ast_channel *c, char *param)
int largeConferenceMode = 0;
unsigned int selectedGroup = 0;
unsigned int bridgeUsers = 0;
int expect_plci_removal;
roomname = strsep(&param, COMMANDSEPARATOR);
options = strsep(&param, COMMANDSEPARATOR);
@ -756,7 +777,7 @@ int pbx_capi_chat(struct ast_channel *c, char *param)
conferenceConnectTime = time(NULL);
/* main loop */
chat_handle_events(c, i, room, flags, 0, 0, hangup_timeout);
chat_handle_events(c, i, room, flags, 0, 0, hangup_timeout, &expect_plci_removal);
pbx_capi_chat_leave_event(c, room, time(NULL)-conferenceConnectTime);
if (room->active == 1) {
@ -764,7 +785,9 @@ int pbx_capi_chat(struct ast_channel *c, char *param)
pbx_capi_chat_room_state_event(room->name, 0);
}
del_chat_member(room);
expect_plci_removal |= (i->channeltype == CAPI_CHANNELTYPE_NULL); /* NULL PLCI is removed, no need to update CAPI LI state */
del_chat_member(room, expect_plci_removal);
out:
capi_remove_nullif(i);
@ -894,9 +917,9 @@ int pbx_capi_chat_play(struct ast_channel *c, char *param)
}
/* main loop */
chat_handle_events(c, i, room, flags, (c->tech == &capi_tech) ? (CC_CHANNEL_PVT(c)) : 0, f, 0);
chat_handle_events(c, i, room, flags, (c->tech == &capi_tech) ? (CC_CHANNEL_PVT(c)) : 0, f, 0, NULL);
del_chat_member(room);
del_chat_member(room, 1);
out:
fclose (f);
@ -1445,7 +1468,7 @@ pbx_capi_create_conference_bridge(const char* mainName,
if (error != 0) {
for (i = 0; i < sizeof(name)/sizeof(name[0]); i++) {
if (room[i] != 0) {
del_chat_member(room[i]);
del_chat_member(room[i], 1);
}
if (capi_ifc[i] != 0) {
capi_remove_nullif(capi_ifc[i]);
@ -1855,8 +1878,8 @@ static void pbx_capi_cleanup_bridge(const char* roomName, unsigned int groupNumb
cc_verbose(2, 0, VERBOSE_PREFIX_2 CC_MESSAGE_NAME
" Delete bridge '%s' <-> '%s'\n", mainFullName, additionalFullName);
del_chat_member(additionalGroup);
del_chat_member(mainGroup);
del_chat_member(additionalGroup, 1);
del_chat_member(mainGroup, 1);
#ifdef DIVA_STREAMING
capi_DivaStreamLock();
#endif

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