forked from Mirrors/freeswitch
more protection
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7718 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
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cb12f3cfd6
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26df42f28c
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@ -350,6 +350,8 @@ SWITCH_DECLARE(int) switch_core_add_state_handler(_In_ const switch_state_handle
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SWITCH_DECLARE(const switch_state_handler_table_t *) switch_core_get_state_handler(_In_ int index);
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///\}
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SWITCH_DECLARE(void) switch_core_memory_pool_tag(switch_memory_pool_t *pool, const char *tag);
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SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(_Out_ switch_memory_pool_t **pool,
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_In_z_ const char *file, _In_z_ const char *func, _In_ int line);
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@ -93,6 +93,7 @@ SWITCH_BEGIN_EXTERN_C
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#define SWITCH_SEQ_CLEARSCR SWITCH_SEQ_ESC SWITCH_SEQ_CLEARSCR_CHAR SWITCH_SEQ_HOME
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#define SWITCH_DEFAULT_DTMF_DURATION 2000
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#define SWITCH_MAX_DTMF_DURATION 192000
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#define SWITCH_DEFAULT_DIR_PERMS SWITCH_FPROT_UREAD | SWITCH_FPROT_UWRITE | SWITCH_FPROT_UEXECUTE | SWITCH_FPROT_GREAD | SWITCH_FPROT_GEXECUTE
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#ifdef WIN32
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@ -210,19 +210,32 @@ SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf(switch_channel_t *chan
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{
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switch_status_t status;
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void *pop;
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switch_dtmf_t new_dtmf;
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switch_assert(dtmf);
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switch_mutex_lock(channel->dtmf_mutex);
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new_dtmf = *dtmf;
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if ((status = switch_core_session_recv_dtmf(channel->session, dtmf) != SWITCH_STATUS_SUCCESS)) {
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goto done;
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}
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if (is_dtmf(dtmf->digit)) {
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if (is_dtmf(new_dtmf.digit)) {
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switch_dtmf_t *dt;
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int x = 0;
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if (new_dtmf.duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s EXECSSIVE DTMF DIGIT [%c] LEN [%d]\n",
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switch_channel_get_name(channel), new_dtmf.digit, new_dtmf.duration);
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new_dtmf.duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!new_dtmf.duration) {
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new_dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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switch_zmalloc(dt, sizeof(*dt));
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*dt = *dtmf;
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*dt = new_dtmf;
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while (switch_queue_trypush(channel->dtmf_queue, dt) != SWITCH_STATUS_SUCCESS) {
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switch_queue_trypop(channel->dtmf_queue, &pop);
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if (++x > 100) {
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@ -268,6 +281,14 @@ SWITCH_DECLARE(switch_status_t) switch_channel_queue_dtmf_string(switch_channel_
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}
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}
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if (dtmf.duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "EXECSSIVE DTMF DIGIT LEN %c %d\n", dtmf.digit, dtmf.duration);
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dtmf.duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!dtmf.duration) {
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dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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for (p = argv[i]; p && *p; p++) {
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if (is_dtmf(*p)) {
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dtmf.digit = *p;
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@ -295,9 +316,17 @@ SWITCH_DECLARE(switch_status_t) switch_channel_dequeue_dtmf(switch_channel_t *ch
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if (switch_queue_trypop(channel->dtmf_queue, &pop) == SWITCH_STATUS_SUCCESS) {
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dt = (switch_dtmf_t *) pop;
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/* TODO: Shouldn't we be doing a memcpy here? */
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*dtmf = *dt;
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free(dt);
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if (dtmf->duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s EXECSSIVE DTMF DIGIT [%c] LEN [%d]\n",
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switch_channel_get_name(channel), dtmf->digit, dtmf->duration);
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dtmf->duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!dtmf->duration) {
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dtmf->duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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status = SWITCH_STATUS_SUCCESS;
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}
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switch_mutex_unlock(channel->dtmf_mutex);
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@ -915,9 +915,22 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_recv_dtmf(switch_core_sessio
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{
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switch_io_event_hook_recv_dtmf_t *ptr;
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switch_status_t status;
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switch_dtmf_t new_dtmf;
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switch_assert(dtmf);
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new_dtmf = *dtmf;
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if (new_dtmf.duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s EXECSSIVE DTMF DIGIT [%c] LEN [%d]\n",
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switch_channel_get_name(session->channel), new_dtmf.digit, new_dtmf.duration);
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new_dtmf.duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!new_dtmf.duration) {
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new_dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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for (ptr = session->event_hooks.recv_dtmf; ptr; ptr = ptr->next) {
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if ((status = ptr->recv_dtmf(session, dtmf)) != SWITCH_STATUS_SUCCESS) {
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if ((status = ptr->recv_dtmf(session, &new_dtmf)) != SWITCH_STATUS_SUCCESS) {
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return status;
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}
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}
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@ -928,6 +941,19 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_send_dtmf(switch_core_sessio
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{
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switch_io_event_hook_send_dtmf_t *ptr;
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switch_status_t status = SWITCH_STATUS_FALSE;
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switch_dtmf_t new_dtmf;
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switch_assert(dtmf);
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new_dtmf = *dtmf;
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if (new_dtmf.duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s EXECSSIVE DTMF DIGIT [%c] LEN [%d]\n",
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switch_channel_get_name(session->channel), new_dtmf.digit, new_dtmf.duration);
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new_dtmf.duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!new_dtmf.duration) {
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new_dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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for (ptr = session->event_hooks.send_dtmf; ptr; ptr = ptr->next) {
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@ -942,7 +968,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_send_dtmf(switch_core_sessio
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} else if (dtmf->digit == 'W') {
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switch_yield(1000000);
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} else {
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status = session->endpoint_interface->io_routines->send_dtmf(session, dtmf);
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status = session->endpoint_interface->io_routines->send_dtmf(session, &new_dtmf);
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}
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}
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return status;
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@ -986,6 +1012,15 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_send_dtmf_string(switch_core
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}
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}
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if (dtmf.duration > SWITCH_MAX_DTMF_DURATION) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s EXECSSIVE DTMF DIGIT [%c] LEN [%d]\n",
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switch_channel_get_name(session->channel), dtmf.digit, dtmf.duration);
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dtmf.duration = SWITCH_MAX_DTMF_DURATION;
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} else if (!dtmf.duration) {
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dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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for (p = argv[i]; p && *p; p++) {
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if (is_dtmf(*p)) {
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dtmf.digit = *p;
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@ -35,7 +35,7 @@
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#include <switch.h>
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#include "private/switch_core_pvt.h"
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/*#define LOCK_MORE*/
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/*#define PER_POOL_LOCK 1*/
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#define PER_POOL_LOCK 1
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static struct {
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switch_mutex_t *mem_lock;
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@ -246,21 +246,31 @@ SWITCH_DECLARE(char *) switch_core_strdup(switch_memory_pool_t *pool, const char
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return duped;
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}
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SWITCH_DECLARE(void) switch_core_memory_pool_tag(switch_memory_pool_t *pool, const char *tag)
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{
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apr_pool_tag(pool, tag);
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}
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SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(switch_memory_pool_t **pool, const char *file, const char *func, int line)
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{
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char *tmp;
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void *pop;
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#ifdef PER_POOL_LOCK
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apr_allocator_t *my_allocator = NULL;
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apr_thread_mutex_t *my_mutex;
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#else
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void *pop = NULL;
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#endif
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switch_mutex_lock(memory_manager.mem_lock);
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switch_assert(pool != NULL);
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if (switch_queue_trypop(memory_manager.pool_recycle_queue, &pop) == SWITCH_STATUS_SUCCESS) {
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#ifndef PER_POOL_LOCK
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if (switch_queue_trypop(memory_manager.pool_recycle_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
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*pool = (switch_memory_pool_t *) pop;
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} else {
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#ifdef PER_POOL_LOCK
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apr_allocator_t *my_allocator = NULL;
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apr_thread_mutex_t *my_mutex;
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#endif
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#ifdef PER_POOL_LOCK
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if ((apr_allocator_create(&my_allocator)) != APR_SUCCESS) {
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return SWITCH_STATUS_MEMERR;
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}
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#else
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apr_pool_create(pool, NULL);
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switch_assert(*pool != NULL);
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#endif
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}
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#endif
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#ifdef DEBUG_ALLOC2
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printf("New Pool %s %s:%d\n", file, func, line);
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static void *SWITCH_THREAD_FUNC pool_thread(switch_thread_t * thread, void *obj)
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{
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void *pop = NULL;
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switch_memory_pool_t *pool;
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memory_manager.pool_thread_running = 1;
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while (memory_manager.pool_thread_running == 1) {
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switch_yield(1000000);
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switch_mutex_lock(memory_manager.mem_lock);
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while (x > 0) {
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if (switch_queue_pop(memory_manager.pool_queue, &pop) != SWITCH_STATUS_SUCCESS) {
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void *pop = NULL;
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if (switch_queue_pop(memory_manager.pool_queue, &pop) != SWITCH_STATUS_SUCCESS || !pop) {
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done = 1;
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break;
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}
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if (!pop) {
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done = 1;
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break;
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}
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pool = (switch_memory_pool_t *) pop;
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#if PER_POOL_LOCK
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apr_pool_destroy(pool);
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#if defined(PER_POOL_LOCK) || defined(DESTROY_POOLS)
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apr_pool_destroy(pop);
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#else
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apr_pool_clear(pool);
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if (switch_queue_trypush(memory_manager.pool_recycle_queue, pool) != SWITCH_STATUS_SUCCESS) {
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apr_pool_destroy(pool);
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apr_pool_clear(pop);
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if (switch_queue_trypush(memory_manager.pool_recycle_queue, pop) != SWITCH_STATUS_SUCCESS) {
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apr_pool_destroy(pop);
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}
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#endif
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pool = NULL;
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x--;
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}
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switch_mutex_unlock(memory_manager.mem_lock);
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@ -404,12 +406,12 @@ static void *SWITCH_THREAD_FUNC pool_thread(switch_thread_t * thread, void *obj)
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done:
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switch_core_memory_reclaim();
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while (switch_queue_trypop(memory_manager.pool_queue, &pop) == SWITCH_STATUS_SUCCESS) {
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pool = (switch_memory_pool_t *) pop;
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if (!pool) {
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break;
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{
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void *pop = NULL;
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while (switch_queue_trypop(memory_manager.pool_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
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apr_pool_destroy(pop);
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pop = NULL;
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}
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apr_pool_destroy(pool);
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}
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memory_manager.pool_thread_running = 0;
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@ -690,6 +690,10 @@ SWITCH_DECLARE(void) switch_core_session_perform_destroy(switch_core_session_t *
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static void *SWITCH_THREAD_FUNC switch_core_session_thread(switch_thread_t * thread, void *obj)
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{
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switch_core_session_t *session = obj;
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switch_event_t *event;
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char *event_str = NULL;
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const char *val;
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session->thread = thread;
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switch_core_session_run(session);
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@ -697,6 +701,17 @@ static void *SWITCH_THREAD_FUNC switch_core_session_thread(switch_thread_t * thr
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session->id, switch_channel_get_name(session->channel));
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switch_core_session_write_lock(session);
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switch_set_flag(session, SSF_DESTROYED);
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if ((val = switch_channel_get_variable(session->channel, "memory_debug")) && switch_true(val)) {
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if (switch_event_create(&event, SWITCH_EVENT_MESSAGE) == SWITCH_STATUS_SUCCESS) {
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switch_channel_event_set_data(session->channel, event);
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switch_event_serialize(event, &event_str, SWITCH_FALSE);
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switch_assert(event_str);
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switch_core_memory_pool_tag(switch_core_session_get_pool(session), switch_core_session_strdup(session, event_str));
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free(event_str);
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}
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}
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switch_core_session_rwunlock(session);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Session %"SWITCH_SIZE_T_FMT" (%s) Ended\n",
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@ -979,9 +979,15 @@ static switch_bool_t inband_dtmf_generate_callback(switch_media_bug_t *bug, void
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while (switch_queue_trypop(pvt->digit_queue, &pop) == SWITCH_STATUS_SUCCESS) {
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switch_dtmf_t *dtmf = (switch_dtmf_t *) pop;
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char buf[2] = "";
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int duration = dtmf->duration;
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buf[0] = dtmf->digit;
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pvt->ts.duration = dtmf->duration;
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if (duration > 8000) {
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duration = 4000;
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%s Truncating ridiculous DTMF duration %d ms to 1/2 second.\n",
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switch_channel_get_name(switch_core_session_get_channel(pvt->session)), dtmf->duration / 8);
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}
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pvt->ts.duration = duration;
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teletone_run(&pvt->ts, buf);
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}
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@ -1371,6 +1371,10 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_queue_rfc2833(switch_rtp_t *rtp_sessi
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if ((rdigit = malloc(sizeof(*rdigit))) != 0) {
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*rdigit = *dtmf;
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if (rdigit->duration < SWITCH_DEFAULT_DTMF_DURATION) {
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rdigit->duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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if ((switch_queue_trypush(rtp_session->dtmf_data.dtmf_queue, rdigit)) != SWITCH_STATUS_SUCCESS) {
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free(rdigit);
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return SWITCH_STATUS_FALSE;
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@ -1392,6 +1396,10 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_queue_rfc2833_in(switch_rtp_t *rtp_se
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if ((rdigit = malloc(sizeof(*rdigit))) != 0) {
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*rdigit = *dtmf;
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if (rdigit->duration < SWITCH_DEFAULT_DTMF_DURATION) {
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rdigit->duration = SWITCH_DEFAULT_DTMF_DURATION;
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}
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if ((switch_queue_trypush(rtp_session->dtmf_data.dtmf_inqueue, rdigit)) != SWITCH_STATUS_SUCCESS) {
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free(rdigit);
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return SWITCH_STATUS_FALSE;
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