add mutex to deal with small race
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14769 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
parent
107f913598
commit
53f09acbec
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@ -313,9 +313,10 @@ struct conference_member {
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uint32_t score;
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uint32_t score_iir;
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switch_mutex_t *flag_mutex;
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switch_mutex_t *control_mutex;
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switch_mutex_t *write_mutex;
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switch_mutex_t *audio_in_mutex;
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switch_mutex_t *audio_out_mutex;
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switch_mutex_t *read_mutex;
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switch_codec_implementation_t orig_read_impl;
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switch_codec_t read_codec;
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switch_codec_t write_codec;
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@ -419,6 +420,10 @@ static switch_status_t conf_api_sub_undeaf(conference_member_t *member, switch_s
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static switch_status_t conference_add_event_data(conference_obj_t *conference, switch_event_t *event);
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static switch_status_t conference_add_event_member_data(conference_member_t *member, switch_event_t *event);
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#define lock_member(_member) switch_mutex_lock(_member->write_mutex); switch_mutex_lock(_member->read_mutex)
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#define unlock_member(_member) switch_mutex_unlock(_member->read_mutex); switch_mutex_unlock(_member->write_mutex)
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static switch_status_t conference_add_event_data(conference_obj_t *conference, switch_event_t *event)
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{
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switch_status_t status = SWITCH_STATUS_SUCCESS;
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@ -478,8 +483,8 @@ static conference_relationship_t *member_get_relationship(conference_member_t *m
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if (member == NULL || other_member == NULL || member->relationships == NULL)
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return NULL;
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switch_mutex_lock(member->control_mutex);
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switch_mutex_lock(other_member->control_mutex);
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lock_member(member);
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lock_member(other_member);
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for (rel = member->relationships; rel; rel = rel->next) {
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if (rel->id == other_member->id) {
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@ -492,8 +497,8 @@ static conference_relationship_t *member_get_relationship(conference_member_t *m
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}
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}
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switch_mutex_unlock(other_member->control_mutex);
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switch_mutex_unlock(member->control_mutex);
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unlock_member(other_member);
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unlock_member(member);
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return rel ? rel : global;
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}
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@ -557,10 +562,10 @@ static conference_relationship_t *member_add_relationship(conference_member_t *m
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rel->id = id;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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rel->next = member->relationships;
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member->relationships = rel;
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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return rel;
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}
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@ -574,7 +579,7 @@ static switch_status_t member_del_relationship(conference_member_t *member, uint
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if (member == NULL || id == 0)
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return status;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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for (rel = member->relationships; rel; rel = rel->next) {
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if (rel->id == id) {
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/* we just forget about rel here cos it was allocated by the member's pool
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@ -588,7 +593,7 @@ static switch_status_t member_del_relationship(conference_member_t *member, uint
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}
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last = rel;
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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return status;
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}
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@ -608,7 +613,7 @@ static switch_status_t conference_add_member(conference_obj_t *conference, confe
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switch_mutex_lock(conference->mutex);
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switch_mutex_lock(member->audio_in_mutex);
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switch_mutex_lock(member->audio_out_mutex);
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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switch_mutex_lock(conference->member_mutex);
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switch_clear_flag(conference, CFLAG_DESTRUCT);
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@ -703,7 +708,7 @@ static switch_status_t conference_add_member(conference_obj_t *conference, confe
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}
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_mutex_unlock(member->audio_out_mutex);
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switch_mutex_unlock(member->audio_in_mutex);
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@ -725,18 +730,18 @@ static switch_status_t conference_del_member(conference_obj_t *conference, confe
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switch_assert(conference != NULL);
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switch_assert(member != NULL);
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member_fnode = member->fnode;
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member_sh = member->sh;
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member->fnode = NULL;
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member->sh = NULL;
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_mutex_lock(conference->mutex);
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switch_mutex_lock(conference->member_mutex);
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switch_mutex_lock(member->audio_in_mutex);
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switch_mutex_lock(member->audio_out_mutex);
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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switch_clear_flag(member, MFLAG_INTREE);
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for (imember = conference->members; imember; imember = imember->next) {
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@ -832,7 +837,7 @@ static switch_status_t conference_del_member(conference_obj_t *conference, confe
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}
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}
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switch_mutex_unlock(conference->member_mutex);
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_mutex_unlock(member->audio_out_mutex);
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switch_mutex_unlock(member->audio_in_mutex);
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switch_mutex_unlock(conference->mutex);
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@ -1407,7 +1412,7 @@ static void conference_loop_fn_energy_up(conference_member_t *member, caller_con
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->energy_level += 200;
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if (member->energy_level > 3000) {
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member->energy_level = 3000;
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@ -1420,7 +1425,7 @@ static void conference_loop_fn_energy_up(conference_member_t *member, caller_con
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->energy_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Energy level %d", member->energy_level);
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conference_member_say(member, msg, 0);
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@ -1434,7 +1439,7 @@ static void conference_loop_fn_energy_equ_conf(conference_member_t *member, call
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->energy_level = member->conference->energy_level;
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if (test_eflag(member->conference, EFLAG_ENERGY_LEVEL) &&
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@ -1444,7 +1449,7 @@ static void conference_loop_fn_energy_equ_conf(conference_member_t *member, call
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->energy_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Energy level %d", member->energy_level);
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conference_member_say(member, msg, 0);
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@ -1458,7 +1463,7 @@ static void conference_loop_fn_energy_dn(conference_member_t *member, caller_con
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->energy_level -= 100;
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if (member->energy_level < 0) {
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member->energy_level = 0;
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@ -1471,7 +1476,7 @@ static void conference_loop_fn_energy_dn(conference_member_t *member, caller_con
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->energy_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Energy level %d", member->energy_level);
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conference_member_say(member, msg, 0);
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@ -1485,7 +1490,7 @@ static void conference_loop_fn_volume_talk_up(conference_member_t *member, calle
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_out_level++;
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switch_normalize_volume(member->volume_out_level);
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@ -1496,7 +1501,7 @@ static void conference_loop_fn_volume_talk_up(conference_member_t *member, calle
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_out_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Volume level %d", member->volume_out_level);
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conference_member_say(member, msg, 0);
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@ -1510,7 +1515,7 @@ static void conference_loop_fn_volume_talk_zero(conference_member_t *member, cal
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_out_level = 0;
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if (test_eflag(member->conference, EFLAG_VOLUME_LEVEL) &&
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@ -1520,7 +1525,7 @@ static void conference_loop_fn_volume_talk_zero(conference_member_t *member, cal
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_out_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Volume level %d", member->volume_out_level);
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conference_member_say(member, msg, 0);
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@ -1534,7 +1539,7 @@ static void conference_loop_fn_volume_talk_dn(conference_member_t *member, calle
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_out_level--;
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switch_normalize_volume(member->volume_out_level);
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@ -1545,7 +1550,7 @@ static void conference_loop_fn_volume_talk_dn(conference_member_t *member, calle
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_out_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Volume level %d", member->volume_out_level);
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conference_member_say(member, msg, 0);
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@ -1559,7 +1564,7 @@ static void conference_loop_fn_volume_listen_up(conference_member_t *member, cal
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_in_level++;
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switch_normalize_volume(member->volume_in_level);
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@ -1570,7 +1575,7 @@ static void conference_loop_fn_volume_listen_up(conference_member_t *member, cal
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_in_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Gain level %d", member->volume_in_level);
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conference_member_say(member, msg, 0);
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@ -1584,7 +1589,7 @@ static void conference_loop_fn_volume_listen_zero(conference_member_t *member, c
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_in_level = 0;
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if (test_eflag(member->conference, EFLAG_GAIN_LEVEL) &&
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@ -1594,7 +1599,7 @@ static void conference_loop_fn_volume_listen_zero(conference_member_t *member, c
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_in_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Gain level %d", member->volume_in_level);
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conference_member_say(member, msg, 0);
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@ -1608,7 +1613,7 @@ static void conference_loop_fn_volume_listen_dn(conference_member_t *member, cal
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if (member == NULL)
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return;
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switch_mutex_lock(member->control_mutex);
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lock_member(member);
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member->volume_in_level--;
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switch_normalize_volume(member->volume_in_level);
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@ -1619,7 +1624,7 @@ static void conference_loop_fn_volume_listen_dn(conference_member_t *member, cal
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switch_event_add_header(event, SWITCH_STACK_BOTTOM, "New-Level", "%d", member->volume_in_level);
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switch_event_fire(&event);
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}
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switch_mutex_unlock(member->control_mutex);
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unlock_member(member);
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switch_snprintf(msg, sizeof(msg), "Gain level %d", member->volume_in_level);
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conference_member_say(member, msg, 0);
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@ -1766,9 +1771,11 @@ static void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, v
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while (switch_test_flag(member, MFLAG_RUNNING) && switch_channel_ready(channel)) {
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if (switch_channel_test_app_flag(channel, CF_APP_TAGGED)) {
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switch_mutex_lock(member->read_mutex);
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if (switch_channel_ready(channel) && switch_channel_test_app_flag(channel, CF_APP_TAGGED)) {
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switch_yield(100000);
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continue;
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goto do_continue;
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}
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@ -1777,7 +1784,7 @@ static void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, v
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/* end the loop, if appropriate */
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if (!SWITCH_READ_ACCEPTABLE(status) || !switch_test_flag(member, MFLAG_RUNNING)) {
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break;
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goto do_break;
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}
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if (switch_test_flag(read_frame, SFF_CNG)) {
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@ -1798,7 +1805,7 @@ static void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, v
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}
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}
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}
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continue;
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goto do_continue;
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}
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energy_level = member->energy_level;
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@ -1940,12 +1947,21 @@ static void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, v
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ok = switch_buffer_write(member->audio_buffer, data, datalen);
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switch_mutex_unlock(member->audio_in_mutex);
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if (!ok) {
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break;
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goto do_break;
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}
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}
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}
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do_continue:
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switch_mutex_unlock(member->read_mutex);
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}
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do_break:
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switch_mutex_unlock(member->read_mutex);
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switch_resample_destroy(&member->read_resampler);
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switch_clear_flag_locked(member, MFLAG_ITHREAD);
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@ -2123,12 +2139,14 @@ static void conference_loop_output(conference_member_t *member)
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switch_size_t file_sample_len = csamples;
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switch_size_t file_data_len = file_sample_len * 2;
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switch_mutex_lock(member->write_mutex);
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if (switch_test_flag(member, MFLAG_RESTART)) {
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switch_mutex_unlock(member->write_mutex);
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goto top;
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}
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switch_mutex_lock(member->control_mutex);
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if (switch_core_session_dequeue_event(member->session, &event, SWITCH_FALSE) == SWITCH_STATUS_SUCCESS) {
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if (event->event_id == SWITCH_EVENT_MESSAGE) {
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char *from = switch_event_get_header(event, "from");
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@ -2330,7 +2348,7 @@ static void conference_loop_output(conference_member_t *member)
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switch_clear_flag_locked(member, MFLAG_FLUSH_BUFFER);
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}
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switch_mutex_unlock(member->control_mutex);
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switch_mutex_unlock(member->write_mutex);
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if (switch_core_session_private_event_count(member->session)) {
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@ -2347,7 +2365,8 @@ static void conference_loop_output(conference_member_t *member)
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switch_cond_next();
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}
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} /* Rinse ... Repeat */
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} /* Rinse ... Repeat */
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if (member->digit_stream != NULL) {
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switch_ivr_digit_stream_destroy(&member->digit_stream);
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@ -2415,10 +2434,11 @@ static void *SWITCH_THREAD_FUNC conference_record_thread_run(switch_thread_t *th
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member->mux_frame = switch_core_alloc(member->pool, member->frame_size);
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switch_mutex_init(&member->control_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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switch_mutex_init(&member->write_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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switch_mutex_init(&member->flag_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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switch_mutex_init(&member->audio_in_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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switch_mutex_init(&member->audio_out_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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switch_mutex_init(&member->read_mutex, SWITCH_MUTEX_NESTED, rec->pool);
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/* Setup an audio buffer for the incoming audio */
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if (switch_buffer_create_dynamic(&member->audio_buffer, CONF_DBLOCK_SIZE, CONF_DBUFFER_SIZE, 0) != SWITCH_STATUS_SUCCESS) {
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|
@ -2575,7 +2595,7 @@ static uint32_t conference_member_stop_file(conference_member_t *member, file_st
|
|||
if (member == NULL)
|
||||
return count;
|
||||
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
|
||||
if (stop == FILE_STOP_ALL) {
|
||||
for (nptr = member->fnode; nptr; nptr = nptr->next) {
|
||||
|
|
@ -2589,7 +2609,7 @@ static uint32_t conference_member_stop_file(conference_member_t *member, file_st
|
|||
}
|
||||
}
|
||||
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
|
@ -2610,10 +2630,10 @@ static void conference_send_all_dtmf(conference_member_t *member, conference_obj
|
|||
const char *p;
|
||||
for (p = dtmf; p && *p; p++) {
|
||||
switch_dtmf_t digit = { *p, SWITCH_DEFAULT_DTMF_DURATION};
|
||||
switch_mutex_lock(imember->control_mutex);
|
||||
lock_member(imember);
|
||||
switch_core_session_kill_channel(imember->session, SWITCH_SIG_BREAK);
|
||||
switch_core_session_send_dtmf(imember->session, &digit);
|
||||
switch_mutex_unlock(imember->control_mutex);
|
||||
unlock_member(imember);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -2802,14 +2822,14 @@ static switch_status_t conference_member_play_file(conference_member_t *member,
|
|||
fnode->file = switch_core_strdup(fnode->pool, file);
|
||||
/* Queue the node */
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(member->session), SWITCH_LOG_DEBUG, "Queueing file '%s' for play\n", file);
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
for (nptr = member->fnode; nptr && nptr->next; nptr = nptr->next);
|
||||
if (nptr) {
|
||||
nptr->next = fnode;
|
||||
} else {
|
||||
member->fnode = fnode;
|
||||
}
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
status = SWITCH_STATUS_SUCCESS;
|
||||
|
||||
done:
|
||||
|
|
@ -2867,7 +2887,7 @@ static switch_status_t conference_member_say(conference_member_t *member, char *
|
|||
}
|
||||
|
||||
/* Queue the node */
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
for (nptr = member->fnode; nptr && nptr->next; nptr = nptr->next);
|
||||
|
||||
if (nptr) {
|
||||
|
|
@ -2893,7 +2913,7 @@ static switch_status_t conference_member_say(conference_member_t *member, char *
|
|||
}
|
||||
|
||||
switch_core_speech_feed_tts(fnode->sh, text, &flags);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
|
||||
status = SWITCH_STATUS_SUCCESS;
|
||||
|
||||
|
|
@ -3196,12 +3216,12 @@ static switch_status_t conf_api_sub_kick(conference_member_t *member, switch_str
|
|||
if (member == NULL)
|
||||
return SWITCH_STATUS_GENERR;
|
||||
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
switch_clear_flag(member, MFLAG_RUNNING);
|
||||
switch_set_flag_locked(member, MFLAG_KICKED);
|
||||
|
||||
switch_core_session_kill_channel(member->session, SWITCH_SIG_BREAK);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
if (stream != NULL) {
|
||||
stream->write_function(stream, "OK kicked %u\n", member->id);
|
||||
}
|
||||
|
|
@ -3231,10 +3251,10 @@ static switch_status_t conf_api_sub_dtmf(conference_member_t *member, switch_str
|
|||
return SWITCH_STATUS_GENERR;
|
||||
}
|
||||
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
switch_core_session_kill_channel(member->session, SWITCH_SIG_BREAK);
|
||||
switch_core_session_send_dtmf_string(member->session, (char *) data);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
|
||||
if (stream != NULL) {
|
||||
stream->write_function(stream, "OK sent %s to %u\n", (char *) data, member->id);
|
||||
|
|
@ -3259,9 +3279,9 @@ static switch_status_t conf_api_sub_energy(conference_member_t *member, switch_s
|
|||
return SWITCH_STATUS_GENERR;
|
||||
|
||||
if (data) {
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
member->energy_level = atoi((char *) data);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
}
|
||||
if (stream != NULL) {
|
||||
stream->write_function(stream, "Energy %u = %d\n", member->id, member->energy_level);
|
||||
|
|
@ -3285,10 +3305,10 @@ static switch_status_t conf_api_sub_volume_in(conference_member_t *member, switc
|
|||
return SWITCH_STATUS_GENERR;
|
||||
|
||||
if (data) {
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
member->volume_in_level = atoi((char *) data);
|
||||
switch_normalize_volume(member->volume_in_level);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
}
|
||||
if (stream != NULL) {
|
||||
stream->write_function(stream, "Volume IN %u = %d\n", member->id, member->volume_in_level);
|
||||
|
|
@ -3312,10 +3332,10 @@ static switch_status_t conf_api_sub_volume_out(conference_member_t *member, swit
|
|||
return SWITCH_STATUS_GENERR;
|
||||
|
||||
if (data) {
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
member->volume_out_level = atoi((char *) data);
|
||||
switch_normalize_volume(member->volume_out_level);
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
}
|
||||
if (stream != NULL) {
|
||||
stream->write_function(stream, "Volume OUT %u = %d\n", member->id, member->volume_out_level);
|
||||
|
|
@ -3986,7 +4006,8 @@ static switch_status_t conf_api_sub_transfer(conference_obj_t *conference, switc
|
|||
}
|
||||
|
||||
/* move the member from the old conference to the new one */
|
||||
switch_mutex_lock(member->control_mutex);
|
||||
lock_member(member);
|
||||
|
||||
if (conference != new_conference) {
|
||||
conference_del_member(conference, member);
|
||||
conference_add_member(new_conference, member);
|
||||
|
|
@ -4001,7 +4022,7 @@ static switch_status_t conf_api_sub_transfer(conference_obj_t *conference, switc
|
|||
}
|
||||
}
|
||||
|
||||
switch_mutex_unlock(member->control_mutex);
|
||||
unlock_member(member);
|
||||
|
||||
stream->write_function(stream, "OK Member '%d' sent to conference %s.\n", member->id, argv[2]);
|
||||
|
||||
|
|
@ -5252,7 +5273,8 @@ SWITCH_STANDARD_APP(conference_function)
|
|||
/* Prepare MUTEXS */
|
||||
member.id = next_member_id();
|
||||
switch_mutex_init(&member.flag_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
switch_mutex_init(&member.control_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
switch_mutex_init(&member.write_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
switch_mutex_init(&member.read_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
switch_mutex_init(&member.audio_in_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
switch_mutex_init(&member.audio_out_mutex, SWITCH_MUTEX_NESTED, member.pool);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue