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add oz span <span name or id> start|stop and ozmod libpri <span name> kill to simulate loss of d channel (NEEDS TESTING) 

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@694 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Anthony Minessale 2009-03-11 02:04:18 +00:00
parent f258a0f975
commit 737ce8d437
6 changed files with 282 additions and 202 deletions
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61
libs/openzap/mod_openzap/mod_openzap.c
View File

@ -2184,16 +2184,16 @@ SWITCH_STANDARD_API(oz_function)
stream->write_function(stream, "-ERR Usage: oz dump <span_id> [<chan_id>]\n");
goto end;
} else {
uint32_t span_id, chan_id = 0;
uint32_t chan_id = 0;
zap_span_t *span;
span_id = atoi(argv[1]);
zap_span_find_by_name(argv[1], &span);
if (argc > 2) {
chan_id = atoi(argv[2]);
}
if (!(span_id && (span = SPAN_CONFIG[span_id].span))) {
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
} else {
if (chan_id) {
@ -2249,38 +2249,31 @@ SWITCH_STANDARD_API(oz_function)
);
}
}
} else if (!strcasecmp(argv[0], "bounce")) {
/* MSC testing "oz bounce" command */
if (argc < 2) {
stream->write_function(stream, "-ERR Usage: oz bounce <span_id> [<chan_id>]\n");
} else if (!strcasecmp(argv[0], "stop") || !strcasecmp(argv[0], "start")) {
char *span_name = argv[1];
zap_span_t *span = NULL;
zap_status_t status;
if (span_name) {
zap_span_find_by_name(span_name, &span);
}
if (!span) {
stream->write_function(stream, "-ERR no span\n");
goto end;
}
if (!strcasecmp(argv[0], "stop")) {
status = zap_span_stop(span);
} else {
int32_t span_id, chan_id = 0;
zap_span_t *span;
status = zap_span_start(span);
}
stream->write_function(stream, status == ZAP_SUCCESS ? "+OK\n" : "-ERR failure\n");
goto end;
span_id = atoi(argv[1]);
if (argc > 2) {
chan_id = atoi(argv[2]);
}
if (!(span_id && (span = SPAN_CONFIG[span_id].span))) {
stream->write_function(stream, "-ERR invalid span\n");
} else {
if (chan_id) {
zap_log(ZAP_LOG_INFO,"Bounce span: %d, chan: %d\n", span_id, chan_id);
} else {
uint32_t j;
stream->write_function(stream, "+OK\n");
for (j = 1; j <= span->chan_count; j++) {
zap_log(ZAP_LOG_INFO,"Bounce span: %d, chan: %d\n", span_id, j);
}
}
}
}
/*Q931ToPcap enhancement*/
/*Q931ToPcap enhancement*/
} else if (!strcasecmp(argv[0], "q931_pcap")) {
int32_t span_id = 0;
zap_span_t *span;

4
libs/openzap/src/include/openzap.h
View File

@ -550,6 +550,7 @@ struct zap_span {
size_t dtmf_hangup_len;
int suggest_chan_id;
zap_state_map_t *state_map;
struct zap_span *next;
};
@ -620,7 +621,7 @@ OZ_DECLARE(zap_time_t) zap_current_time_in_ms(void);
OZ_DECLARE(zap_status_t) zap_span_poll_event(zap_span_t *span, uint32_t ms);
OZ_DECLARE(zap_status_t) zap_span_next_event(zap_span_t *span, zap_event_t **event);
OZ_DECLARE(zap_status_t) zap_span_find(uint32_t id, zap_span_t **span);
OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **span);
OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **span, const char *name);
OZ_DECLARE(zap_status_t) zap_span_close_all(void);
OZ_DECLARE(zap_status_t) zap_span_add_channel(zap_span_t *span, zap_socket_t sockfd, zap_chan_type_t type, zap_channel_t **chan);
OZ_DECLARE(zap_status_t) zap_span_set_event_callback(zap_span_t *span, zio_event_cb_t event_callback);
@ -654,6 +655,7 @@ OZ_DECLARE(int) zap_load_modules(void);
OZ_DECLARE(zap_status_t) zap_unload_modules(void);
OZ_DECLARE(zap_status_t) zap_configure_span(const char *type, zap_span_t *span, zio_signal_cb_t sig_cb, ...);
OZ_DECLARE(zap_status_t) zap_span_start(zap_span_t *span);
OZ_DECLARE(zap_status_t) zap_span_stop(zap_span_t *span);
OZ_DECLARE(int) zap_load_module(const char *name);
OZ_DECLARE(int) zap_load_module_assume(const char *name);
OZ_DECLARE(zap_status_t) zap_span_find_by_name(const char *name, zap_span_t **span);

23
libs/openzap/src/ozmod/ozmod_libpri/lpwrap_pri.c
View File

@ -99,7 +99,6 @@ static struct lpwrap_pri_event_list LPWRAP_PRI_EVENT_LIST[] = {
{17, LPWRAP_PRI_EVENT_PROGRESS, "PROGRESS"},
{18, LPWRAP_PRI_EVENT_KEYPAD_DIGIT, "KEYPAD_DIGIT"},
{19, LPWRAP_PRI_EVENT_IO_FAIL, "IO_FAIL"},
{20, LPWRAP_PRI_EVENT_TIME_CHECK, "TIME_CHECK"}
};
#define LINE "--------------------------------------------------------------------------------"
@ -125,7 +124,7 @@ static int __pri_lpwrap_read(struct pri *pri, void *buf, int buflen)
res+=2;
//print_bits(buf, res-2, bb, sizeof(bb), 1, 0);
//zap_log(ZAP_LOG_DEBUG, "READ %d\n%s\n%s\n\n", res-2, LINE, bb);
//zap_log(ZAP_LOG_DEBUG, "READ %d\n", res-2);
return res;
}
@ -142,7 +141,7 @@ static int __pri_lpwrap_write(struct pri *pri, void *buf, int buflen)
}
//print_bits(buf, (int)buflen-2, bb, sizeof(bb), 1, 0);
//zap_log(ZAP_LOG_DEBUG, "WRITE %d\n%s\n%s\n\n", (int)buflen-2, LINE, bb);
//zap_log(ZAP_LOG_DEBUG, "WRITE %d\n", (int)buflen-2);
return (int) buflen;
}
@ -156,10 +155,13 @@ int lpwrap_init_pri(struct lpwrap_pri *spri, zap_span_t *span, zap_channel_t *dc
spri->dchan = dchan;
if ((spri->pri = pri_new_cb(spri->dchan->sockfd, node, swtype, __pri_lpwrap_read, __pri_lpwrap_write, spri))){
unsigned char buf[4] = { 0 };
size_t buflen = sizeof(buf), len = 0;
spri->span = span;
pri_set_debug(spri->pri, debug);
ret = 0;
zap_set_flag(spri, LPWRAP_PRI_READY);
zap_channel_write(spri->dchan, buf, buflen, &len);
} else {
fprintf(stderr, "Unable to create PRI\n");
}
@ -177,7 +179,13 @@ int lpwrap_one_loop(struct lpwrap_pri *spri)
int sel;
if (spri->on_loop) {
spri->on_loop(spri);
if ((sel = spri->on_loop(spri)) < 0) {
return sel;
}
}
if (!zap_test_flag(spri, LPWRAP_PRI_READY)) {
return -1;
}
FD_ZERO(&rfds);
@ -204,13 +212,6 @@ int lpwrap_one_loop(struct lpwrap_pri *spri)
event = NULL;
if (!sel) {
if ((handler = spri->eventmap[LPWRAP_PRI_EVENT_TIME_CHECK] ?
spri->eventmap[LPWRAP_PRI_EVENT_TIME_CHECK] : spri->eventmap[0] ? spri->eventmap[0] : NULL)) {
if (handler(spri, LPWRAP_PRI_EVENT_TIME_CHECK, NULL) < 0) {
return -1;
}
}
if ((next = pri_schedule_next(spri->pri))) {
gettimeofday(&now, NULL);
if (now.tv_sec >= next->tv_sec && (now.tv_usec >= next->tv_usec || next->tv_usec <= 100000)) {

3
libs/openzap/src/ozmod/ozmod_libpri/lpwrap_pri.h
View File

@ -59,8 +59,7 @@ typedef enum {
LPWRAP_PRI_EVENT_NOTIFY = PRI_EVENT_NOTIFY,
LPWRAP_PRI_EVENT_PROGRESS = PRI_EVENT_PROGRESS,
LPWRAP_PRI_EVENT_KEYPAD_DIGIT = PRI_EVENT_KEYPAD_DIGIT,
LPWRAP_PRI_EVENT_IO_FAIL = 19,
LPWRAP_PRI_EVENT_TIME_CHECK = 20
LPWRAP_PRI_EVENT_IO_FAIL = 19
} lpwrap_pri_event_t;
typedef enum {

93
libs/openzap/src/ozmod/ozmod_libpri/ozmod_libpri.c
View File

@ -131,7 +131,9 @@ static int parse_debug(const char *in)
return flags;
}
static zap_io_interface_t zap_libpri_interface;
static zap_status_t zap_libpri_start(zap_span_t *span);
static ZIO_API_FUNCTION(zap_libpri_api)
{
@ -143,14 +145,40 @@ static ZIO_API_FUNCTION(zap_libpri_api)
argc = zap_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
}
if (argc > 2) {
if (!strcasecmp(argv[0], "debug")) {
if (argc == 2) {
if (!strcasecmp(argv[0], "kill")) {
int span_id = atoi(argv[1]);
zap_span_t *span = NULL;
if (zap_span_find_by_name(argv[1], &span) == ZAP_SUCCESS || zap_span_find(span_id, &span) == ZAP_SUCCESS) {
zap_libpri_data_t *isdn_data = span->signal_data;
if (span->start != zap_libpri_start) {
stream->write_function(stream, "%s: -ERR invalid span.\n", __FILE__);
goto done;
}
zap_clear_flag((&isdn_data->spri), LPWRAP_PRI_READY);
stream->write_function(stream, "%s: +OK killed.\n", __FILE__);
goto done;
} else {
stream->write_function(stream, "%s: -ERR invalid span.\n", __FILE__);
goto done;
}
}
}
if (argc > 2) {
if (!strcasecmp(argv[0], "debug")) {
zap_span_t *span = NULL;
if (zap_span_find_by_name(argv[1], &span) == ZAP_SUCCESS) {
zap_libpri_data_t *isdn_data = span->signal_data;
if (span->start != zap_libpri_start) {
stream->write_function(stream, "%s: -ERR invalid span.\n", __FILE__);
goto done;
}
pri_set_debug(isdn_data->spri.pri, parse_debug(argv[2]));
stream->write_function(stream, "%s: +OK debug set.\n", __FILE__);
goto done;
@ -159,6 +187,7 @@ static ZIO_API_FUNCTION(zap_libpri_api)
goto done;
}
}
}
stream->write_function(stream, "%s: -ERR invalid command.\n", __FILE__);
@ -171,8 +200,6 @@ static ZIO_API_FUNCTION(zap_libpri_api)
}
static zap_io_interface_t zap_libpri_interface;
static ZIO_IO_LOAD_FUNCTION(zap_libpri_io_init)
{
assert(zio != NULL);
@ -190,7 +217,6 @@ static ZIO_SIG_LOAD_FUNCTION(zap_libpri_init)
{
pri_set_error(s_pri_error);
pri_set_message(s_pri_message);
return ZAP_SUCCESS;
}
@ -648,6 +674,10 @@ static int check_flags(lpwrap_pri_t *spri)
check_state(span);
if (!zap_running() || zap_test_flag(span, ZAP_SPAN_STOP_THREAD)) {
return -1;
}
return 0;
}
@ -712,22 +742,12 @@ static int on_io_fail(lpwrap_pri_t *spri, lpwrap_pri_event_t event_type, pri_eve
}
static int on_time_check(lpwrap_pri_t *spri, lpwrap_pri_event_t event_type, pri_event *pevent)
{
if (!zap_running() || zap_test_flag(spri->span, ZAP_SPAN_STOP_THREAD)) {
return -1;
}
return 0;
}
static void *zap_libpri_run(zap_thread_t *me, void *obj)
{
zap_span_t *span = (zap_span_t *) obj;
zap_libpri_data_t *isdn_data = span->signal_data;
int x, i;
int down = 0;
zap_set_flag(span, ZAP_SPAN_IN_THREAD);
@ -768,8 +788,12 @@ static void *zap_libpri_run(zap_thread_t *me, void *obj)
LPWRAP_MAP_PRI_EVENT(isdn_data->spri, LPWRAP_PRI_EVENT_INFO_RECEIVED, on_info);
LPWRAP_MAP_PRI_EVENT(isdn_data->spri, LPWRAP_PRI_EVENT_RESTART, on_restart);
LPWRAP_MAP_PRI_EVENT(isdn_data->spri, LPWRAP_PRI_EVENT_IO_FAIL, on_io_fail);
LPWRAP_MAP_PRI_EVENT(isdn_data->spri, LPWRAP_PRI_EVENT_TIME_CHECK, on_time_check);
if (down) {
zap_log(ZAP_LOG_INFO, "PRI back up on span %d\n", isdn_data->spri.span->span_id);
zap_set_state_all(span, ZAP_CHANNEL_STATE_RESTART);
down = 0;
}
isdn_data->spri.on_loop = check_flags;
isdn_data->spri.private_info = span;
@ -782,30 +806,54 @@ static void *zap_libpri_run(zap_thread_t *me, void *obj)
break;
}
zap_log(ZAP_LOG_CRIT, "PRI down on span %d\n", isdn_data->spri.span);
zap_log(ZAP_LOG_CRIT, "PRI down on span %d\n", isdn_data->spri.span->span_id);
zap_set_state_all(span, ZAP_CHANNEL_STATE_RESTART);
check_state(span);
check_state(span);
down++;
zap_sleep(5000);
}
zap_log(ZAP_LOG_DEBUG, "PRI thread ended on span %d\n", isdn_data->spri.span->span_id);
zap_clear_flag(span, ZAP_SPAN_IN_THREAD);
zap_clear_flag(isdn_data, OZMOD_LIBPRI_RUNNING);
return NULL;
}
static zap_status_t zap_libpri_stop(zap_span_t *span)
{
zap_libpri_data_t *isdn_data = span->signal_data;
if (!zap_test_flag(isdn_data, OZMOD_LIBPRI_RUNNING)) {
return ZAP_FAIL;
}
zap_set_state_all(span, ZAP_CHANNEL_STATE_RESTART);
check_state(span);
zap_set_flag(span, ZAP_SPAN_STOP_THREAD);
while(zap_test_flag(span, ZAP_SPAN_IN_THREAD)) {
zap_sleep(100);
}
check_state(span);
return ZAP_SUCCESS;
}
static zap_status_t zap_libpri_start(zap_span_t *span)
{
zap_status_t ret;
zap_libpri_data_t *isdn_data = span->signal_data;
if (zap_test_flag(isdn_data, OZMOD_LIBPRI_RUNNING)) {
return ZAP_FAIL;
}
zap_clear_flag(span, ZAP_SPAN_STOP_THREAD);
zap_clear_flag(span, ZAP_SPAN_IN_THREAD);
zap_set_flag(isdn_data, OZMOD_LIBPRI_RUNNING);
ret = zap_thread_create_detached(zap_libpri_run, span);
@ -817,7 +865,6 @@ static zap_status_t zap_libpri_start(zap_span_t *span)
}
static int str2node(char *node)
{
if (!strcasecmp(node, "cpe") || !strcasecmp(node, "user"))

300
libs/openzap/src/zap_io.c
View File

@ -79,9 +79,10 @@ static struct {
zap_hash_t *module_hash;
zap_hash_t *span_hash;
zap_mutex_t *mutex;
struct zap_span *spans[ZAP_MAX_SPANS_INTERFACE+1];
zap_mutex_t *span_mutex;
uint32_t span_index;
uint32_t running;
zap_span_t *spans;
} globals;
@ -309,7 +310,55 @@ OZ_DECLARE(zap_status_t) zap_channel_get_alarms(zap_channel_t *zchan)
return status;
}
OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **span)
static void zap_span_add(zap_span_t *span)
{
zap_span_t *sp;
zap_mutex_lock(globals.span_mutex);
for (sp = globals.spans; sp && sp->next; sp = sp->next);
if (sp) {
sp->next = span;
} else {
globals.spans = span;
}
hashtable_insert(globals.span_hash, (void *)span->name, span, HASHTABLE_FLAG_NONE);
zap_mutex_unlock(globals.span_mutex);
}
#if 0
static void zap_span_del(zap_span_t *span)
{
zap_span_t *last = NULL, *sp;
zap_mutex_lock(globals.span_mutex);
for (sp = globals.spans; sp; sp = sp->next) {
if (sp == span) {
if (last) {
last->next = sp->next;
} else {
globals.spans = sp->next;
}
hashtable_remove(globals.span_hash, (void *)sp->name);
break;
}
last = sp;
}
zap_mutex_unlock(globals.span_mutex);
}
#endif
OZ_DECLARE(zap_status_t) zap_span_stop(zap_span_t *span)
{
if (span->stop) {
span->stop(span);
return ZAP_SUCCESS;
}
return ZAP_FAIL;
}
OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **span, const char *name)
{
zap_span_t *new_span = NULL;
zap_status_t status = ZAP_FAIL;
@ -317,21 +366,16 @@ OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **s
assert(zio != NULL);
zap_mutex_lock(globals.mutex);
if (globals.span_index < ZAP_MAX_SPANS_INTERFACE) {
new_span = globals.spans[++globals.span_index];
if (!new_span) {
if (!(new_span = malloc(sizeof(*new_span)))) {
goto done;
}
globals.spans[globals.span_index] = new_span;
}
new_span = malloc(sizeof(*new_span));
assert(new_span);
memset(new_span, 0, sizeof(*new_span));
status = zap_mutex_create(&new_span->mutex);
if (status != ZAP_SUCCESS) {
goto done;
}
assert(status == ZAP_SUCCESS);
zap_set_flag(new_span, ZAP_SPAN_CONFIGURED);
new_span->span_id = globals.span_index;
new_span->span_id = ++globals.span_index;
new_span->zio = zio;
zap_copy_string(new_span->tone_map[ZAP_TONEMAP_DIAL], "%(1000,0,350,440)", ZAP_TONEMAP_LEN);
zap_copy_string(new_span->tone_map[ZAP_TONEMAP_RING], "%(2000,4000,440,480)", ZAP_TONEMAP_LEN);
@ -339,11 +383,24 @@ OZ_DECLARE(zap_status_t) zap_span_create(zap_io_interface_t *zio, zap_span_t **s
zap_copy_string(new_span->tone_map[ZAP_TONEMAP_ATTN], "%(100,100,1400,2060,2450,2600)", ZAP_TONEMAP_LEN);
new_span->trunk_type = ZAP_TRUNK_NONE;
new_span->data_type = ZAP_TYPE_SPAN;
zap_mutex_lock(globals.span_mutex);
if (!zap_strlen_zero(name) && hashtable_search(globals.span_hash, (void *)name)) {
zap_log(ZAP_LOG_WARNING, "name %s is already used, substituting 'span%d' as the name\n", name, new_span->span_id);
name = NULL;
}
zap_mutex_unlock(globals.span_mutex);
if (!name) {
char buf[128] = "";
snprintf(buf, sizeof(buf), "span%d", new_span->span_id);
name = buf;
}
new_span->name = strdup(name);
zap_span_add(new_span);
*span = new_span;
status = ZAP_SUCCESS;
}
done:
zap_mutex_unlock(globals.mutex);
return status;
}
@ -351,18 +408,18 @@ done:
OZ_DECLARE(zap_status_t) zap_span_close_all(void)
{
zap_span_t *span;
uint32_t i, j;
uint32_t i = 0, j;
zap_mutex_lock(globals.mutex);
for(i = 1; i <= globals.span_index; i++) {
span = globals.spans[i];
zap_mutex_lock(globals.span_mutex);
for (span = globals.spans; span; span = span->next) {
if (zap_test_flag(span, ZAP_SPAN_CONFIGURED)) {
for(j = 1; j <= span->chan_count && span->channels[j]; j++) {
zap_channel_destroy(span->channels[j]);
i++;
}
}
}
zap_mutex_unlock(globals.mutex);
zap_mutex_unlock(globals.span_mutex);
return i ? ZAP_SUCCESS : ZAP_FAIL;
}
@ -482,26 +539,40 @@ OZ_DECLARE(zap_status_t) zap_span_find_by_name(const char *name, zap_span_t **sp
{
zap_status_t status = ZAP_FAIL;
zap_mutex_lock(globals.mutex);
if (!zap_strlen_zero(name) && (*span = hashtable_search(globals.span_hash, (void *)name))) {
status = ZAP_SUCCESS;
}
zap_mutex_unlock(globals.mutex);
zap_mutex_lock(globals.span_mutex);
if (!zap_strlen_zero(name)) {
if ((*span = hashtable_search(globals.span_hash, (void *)name))) {
status = ZAP_SUCCESS;
} else {
int span_id = atoi(name);
zap_span_find(span_id, span);
if (*span) {
status = ZAP_SUCCESS;
}
}
}
zap_mutex_unlock(globals.span_mutex);
return status;
}
OZ_DECLARE(zap_status_t) zap_span_find(uint32_t id, zap_span_t **span)
{
zap_span_t *fspan;
zap_span_t *fspan = NULL, *sp;
if (id > ZAP_MAX_SPANS_INTERFACE) {
return ZAP_FAIL;
}
zap_mutex_lock(globals.mutex);
fspan = globals.spans[id];
zap_mutex_unlock(globals.mutex);
zap_mutex_lock(globals.span_mutex);
for (sp = globals.spans; sp; sp = sp->next) {
if (sp->span_id == id) {
fspan = sp;
break;
}
}
zap_mutex_unlock(globals.span_mutex);
if (!fspan || !zap_test_flag(fspan, ZAP_SPAN_CONFIGURED)) {
return ZAP_FAIL;
@ -840,122 +911,94 @@ OZ_DECLARE(zap_status_t) zap_channel_open_any(uint32_t span_id, zap_direction_t
zap_status_t status = ZAP_FAIL;
zap_channel_t *check;
uint32_t i,j;
zap_span_t *span;
zap_span_t *span = NULL;
uint32_t span_max;
if (span_id) {
if (span_id > globals.span_index || !globals.spans[span_id]) {
zap_span_find(span_id, &span);
if (!span || !zap_test_flag(span, ZAP_SPAN_CONFIGURED)) {
zap_log(ZAP_LOG_CRIT, "SPAN NOT DEFINED!\n");
*zchan = NULL;
return ZAP_FAIL;
}
if (globals.spans[span_id]->active_count >= globals.spans[span_id]->chan_count) {
if (span->active_count >= span->chan_count) {
zap_log(ZAP_LOG_CRIT, "All circuits are busy.\n");
*zchan = NULL;
return ZAP_FAIL;
}
if (globals.spans[span_id]->channel_request && !globals.spans[span_id]->suggest_chan_id) {
return globals.spans[span_id]->channel_request(globals.spans[span_id], 0, direction, caller_data, zchan);
if (span->channel_request && !span->suggest_chan_id) {
return span->channel_request(span, 0, direction, caller_data, zchan);
}
span_max = span_id;
j = span_id;
} else {
span_max = globals.span_index;
if (direction == ZAP_TOP_DOWN) {
j = 1;
} else {
j = span_max;
}
zap_log(ZAP_LOG_CRIT, "No span supplied\n");
*zchan = NULL;
return ZAP_FAIL;
}
zap_mutex_lock(span->mutex);
if (direction == ZAP_TOP_DOWN) {
i = 1;
} else {
i = span->chan_count;
}
for(;;) {
if (direction == ZAP_TOP_DOWN) {
if (j > span_max) {
goto done;
if (i > span->chan_count) {
break;
}
} else {
if (j == 0) {
goto done;
if (i == 0) {
break;
}
}
span = globals.spans[j];
zap_mutex_lock(span->mutex);
if (!zap_test_flag(span, ZAP_SPAN_CONFIGURED)) {
goto next_loop;
}
if (direction == ZAP_TOP_DOWN) {
i = 1;
} else {
i = span->chan_count;
}
for(;;) {
if (direction == ZAP_TOP_DOWN) {
if (i > span->chan_count) {
break;
}
} else {
if (i == 0) {
break;
}
}
if (!(check = span->channels[i])) {
status = ZAP_FAIL;
if (!(check = span->channels[i])) {
status = ZAP_FAIL;
zap_mutex_unlock(span->mutex);
goto done;
}
if (zap_test_flag(check, ZAP_CHANNEL_READY) &&
!zap_test_flag(check, ZAP_CHANNEL_INUSE) &&
!zap_test_flag(check, ZAP_CHANNEL_SUSPENDED) &&
check->state == ZAP_CHANNEL_STATE_DOWN
) {
if (span && span->channel_request) {
status = span->channel_request(span, i, direction, caller_data, zchan);
zap_mutex_unlock(span->mutex);
goto done;
}
if (zap_test_flag(check, ZAP_CHANNEL_READY) &&
!zap_test_flag(check, ZAP_CHANNEL_INUSE) &&
!zap_test_flag(check, ZAP_CHANNEL_SUSPENDED) &&
check->state == ZAP_CHANNEL_STATE_DOWN
) {
if (globals.spans[span_id] && globals.spans[span_id]->channel_request) {
status = globals.spans[span_id]->channel_request(globals.spans[span_id], i, direction, caller_data, zchan);
zap_mutex_unlock(span->mutex);
goto done;
}
status = check->zio->open(check);
status = check->zio->open(check);
if (status == ZAP_SUCCESS) {
zap_set_flag(check, ZAP_CHANNEL_INUSE);
zap_channel_open_chan(check);
*zchan = check;
zap_mutex_unlock(span->mutex);
goto done;
}
}
if (direction == ZAP_TOP_DOWN) {
i++;
} else {
i--;
if (status == ZAP_SUCCESS) {
zap_set_flag(check, ZAP_CHANNEL_INUSE);
zap_channel_open_chan(check);
*zchan = check;
zap_mutex_unlock(span->mutex);
goto done;
}
}
next_loop:
zap_mutex_unlock(span->mutex);
if (direction == ZAP_TOP_DOWN) {
j++;
i++;
} else {
j--;
i--;
}
}
done:
return status;
}
@ -1048,22 +1091,24 @@ OZ_DECLARE(zap_status_t) zap_channel_open(uint32_t span_id, uint32_t chan_id, za
{
zap_channel_t *check;
zap_status_t status = ZAP_FAIL;
zap_span_t *span = NULL;
zap_mutex_lock(globals.mutex);
zap_mutex_unlock(globals.mutex);
zap_span_find(span_id, &span);
if (span_id > globals.span_index || chan_id >= ZAP_MAX_CHANNELS_SPAN || !globals.spans[span_id]) {
zap_log(ZAP_LOG_ERROR, "SPAN NOT DEFINED!\n");
if (!span || !zap_test_flag(span, ZAP_SPAN_CONFIGURED) || chan_id >= ZAP_MAX_CHANNELS_SPAN) {
zap_log(ZAP_LOG_CRIT, "SPAN NOT DEFINED!\n");
*zchan = NULL;
goto done;
goto done;
}
if (globals.spans[span_id]->channel_request) {
if (span->channel_request) {
zap_log(ZAP_LOG_ERROR, "Individual channel selection not implemented on this span.\n");
*zchan = NULL;
goto done;
}
check = globals.spans[span_id]->channels[chan_id];
check = span->channels[chan_id];
if (zap_test_flag(check, ZAP_CHANNEL_SUSPENDED) ||
!zap_test_flag(check, ZAP_CHANNEL_READY) || (status = zap_mutex_trylock(check->mutex)) != ZAP_SUCCESS) {
@ -2202,25 +2247,10 @@ static zap_status_t load_config(void)
continue;
}
if (zap_span_create(zio, &span) == ZAP_SUCCESS) {
if (zap_span_create(zio, &span, name) == ZAP_SUCCESS) {
span->type = strdup(type);
d = 0;
zap_mutex_lock(globals.mutex);
if (!zap_strlen_zero(name) && hashtable_search(globals.span_hash, (void *)name)) {
zap_log(ZAP_LOG_WARNING, "name %s is already used, substituting 'span%d' as the name\n", name, span->span_id);
name = NULL;
}
if (!name) {
char buf[128] = "";
snprintf(buf, sizeof(buf), "span%d", span->span_id);
name = buf;
}
span->name = strdup(name);
hashtable_insert(globals.span_hash, (void *)span->name, span, HASHTABLE_FLAG_NONE);
zap_mutex_unlock(globals.mutex);
zap_log(ZAP_LOG_DEBUG, "created span %d (%s) of type %s\n", span->span_id, span->name, type);
} else {
@ -2576,6 +2606,7 @@ OZ_DECLARE(zap_status_t) zap_global_init(void)
globals.span_hash = create_hashtable(16, zap_hash_hashfromstring, zap_hash_equalkeys);
modcount = 0;
zap_mutex_create(&globals.mutex);
zap_mutex_create(&globals.span_mutex);
modcount = zap_load_modules();
zap_log(ZAP_LOG_NOTICE, "Modules configured: %d \n", modcount);
@ -2597,15 +2628,19 @@ OZ_DECLARE(uint32_t) zap_running(void)
OZ_DECLARE(zap_status_t) zap_global_destroy(void)
{
unsigned int i,j;
unsigned int j;
zap_span_t *sp;
time_end();
globals.running = 0;
zap_span_close_all();
zap_sleep(1000);
for(i = 1; i <= globals.span_index; i++) {
zap_span_t *cur_span = globals.spans[i];
zap_mutex_lock(globals.span_mutex);
for (sp = globals.spans; sp;) {
zap_span_t *cur_span = sp;
sp = sp->next;
if (cur_span) {
if (zap_test_flag(cur_span, ZAP_SPAN_CONFIGURED)) {
@ -2630,15 +2665,17 @@ OZ_DECLARE(zap_status_t) zap_global_destroy(void)
zap_safe_free(cur_span->signal_data);
zap_span_destroy(cur_span);
}
zap_mutex_lock(globals.mutex);
hashtable_remove(globals.span_hash, (void *)cur_span->name);
zap_mutex_unlock(globals.mutex);
zap_safe_free(cur_span->type);
zap_safe_free(cur_span->name);
free(cur_span);
cur_span = NULL;
}
}
globals.spans = NULL;
zap_mutex_unlock(globals.span_mutex);
globals.span_index = 0;
zap_unload_modules();
@ -2649,6 +2686,7 @@ OZ_DECLARE(zap_status_t) zap_global_destroy(void)
hashtable_destroy(globals.span_hash);
zap_mutex_unlock(globals.mutex);
zap_mutex_destroy(&globals.mutex);
zap_mutex_destroy(&globals.span_mutex);
memset(&globals, 0, sizeof(globals));
return ZAP_SUCCESS;