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update 

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@186 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Anthony Minessale 2007-05-31 02:41:50 +00:00
parent 0f997a1fb9
commit a2dea73797
16 changed files with 489 additions and 384 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
libs/openzap/conf/openzap.conf Normal file
View File

@ -0,0 +1,19 @@
[span wanpipe]
name => OpenZAP
number => 1
fxs-channel => 1:3-4
[span wanpipe]
fxo-channel => 1:1-2
[span zt]
name => OpenZAP
number => 2
fxs-channel => 1
[span zt]
name => OpenZAP
number => 2
fxo-channel => 3

5
libs/openzap/conf/tones.conf Normal file
View File

@ -0,0 +1,5 @@
[us]
dial => %(1000,0,350,440)
ring => %(2000,4000,440,480)
busy => %(500,500,480,620)
attn => %(100,100,1400,2060,2450,2600)

4
libs/openzap/conf/wanpipe.conf Normal file
View File

@ -0,0 +1,4 @@
[defaults]
codec_ms => 20
wink_ms => 150
flash_ms => 750

4
libs/openzap/conf/zt.conf Normal file
View File

@ -0,0 +1,4 @@
[defaults]
codec_ms => 20
wink_ms => 150
flash_ms => 750

59
libs/openzap/mod_openzap/mod_openzap.c
View File

@ -88,6 +88,7 @@ struct private_object {
switch_mutex_t *flag_mutex;
zap_channel_t *zchan;
int32_t token_id;
uint32_t wr_error;
};
typedef struct private_object private_t;
@ -365,6 +366,8 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
zap_wait_flag_t wflags = ZAP_READ;
char dtmf[128] = "";
zap_status_t status;
int total_to = timeout;
int chunk;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
@ -374,6 +377,8 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
assert(tech_pvt->zchan != NULL);
chunk = tech_pvt->zchan->effective_interval * 2;
top:
if (switch_test_flag(tech_pvt, TFLAG_HOLD)) {
switch_yield(tech_pvt->zchan->effective_interval * 1000);
*frame = &tech_pvt->cng_frame;
@ -389,15 +394,21 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
return SWITCH_STATUS_FALSE;
}
status = zap_channel_wait(tech_pvt->zchan, &wflags, timeout);
status = zap_channel_wait(tech_pvt->zchan, &wflags, chunk);
if (status == ZAP_FAIL) {
return SWITCH_STATUS_GENERR;
}
if (status == ZAP_TIMEOUT) {
if (timeout > 0 && !switch_test_flag(tech_pvt, TFLAG_HOLD)) {
total_to -= chunk;
if (total_to <= 0) {
return SWITCH_STATUS_BREAK;
}
}
goto top;
}
if (!(wflags & ZAP_READ)) {
return SWITCH_STATUS_GENERR;
@ -448,8 +459,12 @@ static switch_status_t channel_write_frame(switch_core_session_t *session, switc
len = frame->datalen;
if (zap_channel_write(tech_pvt->zchan, frame->data, &len) != ZAP_SUCCESS) {
if (++tech_pvt->wr_error > 10) {
return SWITCH_STATUS_GENERR;
}
}
tech_pvt->wr_error = 0;
return SWITCH_STATUS_SUCCESS;
@ -628,6 +643,10 @@ static switch_core_session_t *zap_channel_get_session(zap_channel_t *channel, in
{
switch_core_session_t *session = NULL;
if (id > ZAP_MAX_TOKENS) {
return NULL;
}
if (!switch_strlen_zero(channel->tokens[id])) {
session = switch_core_session_locate(channel->tokens[id]);
}
@ -648,7 +667,7 @@ static ZIO_SIGNAL_CB_FUNCTION(on_fxs_signal)
private_t *tech_pvt = NULL;
zap_status_t status;
zap_log(ZAP_LOG_DEBUG, "got sig [%s]\n", zap_signal_event2str(sigmsg->event_id));
zap_log(ZAP_LOG_DEBUG, "got fxs sig [%s]\n", zap_signal_event2str(sigmsg->event_id));
switch(sigmsg->event_id) {
case ZAP_SIGEVENT_START:
@ -676,7 +695,13 @@ static ZIO_SIGNAL_CB_FUNCTION(on_fxs_signal)
for (i = 0; i < sigmsg->channel->token_count; i++) {
if ((session = zap_channel_get_session(sigmsg->channel, i))) {
tech_pvt = switch_core_session_get_private(session);
if (i) {
if (sigmsg->channel->token_count == 1) {
if (switch_test_flag(tech_pvt, TFLAG_HOLD)) {
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
} else {
switch_set_flag_locked(tech_pvt, TFLAG_HOLD);
}
} else if (i) {
switch_set_flag_locked(tech_pvt, TFLAG_HOLD);
} else {
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
@ -685,23 +710,6 @@ static ZIO_SIGNAL_CB_FUNCTION(on_fxs_signal)
}
}
}
case ZAP_SIGEVENT_HOLD:
{
if ((session = zap_channel_get_session(sigmsg->channel, sigmsg->channel->token_count-1))) {
tech_pvt = switch_core_session_get_private(session);
switch_set_flag_locked(tech_pvt, TFLAG_HOLD);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_UNHOLD:
{
if ((session = zap_channel_get_session(sigmsg->channel, sigmsg->channel->token_count-1))) {
tech_pvt = switch_core_session_get_private(session);
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
switch_core_session_rwunlock(session);
}
}
break;
}
@ -771,7 +779,6 @@ static switch_status_t load_config(void)
if ((spans = switch_xml_child(cfg, "analog_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *mod = (char *) switch_xml_attr_soft(myspan, "module");
char *id = (char *) switch_xml_attr_soft(myspan, "id");
char *context = "default";
char *dialplan = "XML";
@ -798,10 +805,6 @@ static switch_status_t load_config(void)
}
}
if (!mod) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'module'\n");
}
if (!id) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
}
@ -820,13 +823,13 @@ static switch_status_t load_config(void)
max = atoi(max_digits);
}
if (zap_span_find(mod, span_id, &span) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span %s:%d\n", mod, span_id);
if (zap_span_find(span_id, &span) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span %d\n", span_id);
continue;
}
if (zap_analog_configure_span(span, tonegroup, to, max, on_zap_signal) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %s:%d\n", mod, span_id);
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d\n", span_id);
continue;
}

38
libs/openzap/openzap.conf.ex
View File

@ -1,38 +0,0 @@
[openzap]
load => wanpipe
;load => zt
[+wanpipe.conf]
[span]
enabled => 1
fxs-channel => 1:3-4
[span]
enabled => 1
fxo-channel => 1:1-2
[+zt.conf]
[span]
enabled => 0
b-channel => 1-23
d-channel=> 24
[span]
enabled => 0
b-channel => 25-47
d-channel=> 48
[span]
enabled => 0
fxo-channel => 49
fxs-channel => 50
[+tones.conf]
[us]
dial => %(1000,0,350,440)
ring => %(2000,4000,440,480)
busy => %(500,500,480,620)
attn => %(100,100,1400,2060,2450,2600)

9
libs/openzap/src/include/openzap.h
View File

@ -317,14 +317,13 @@ struct zap_io_interface {
zio_configure_t configure;
zio_open_t open;
zio_close_t close;
zio_destroy_channel_t destroy_channel;
zio_command_t command;
zio_wait_t wait;
zio_read_t read;
zio_write_t write;
zio_span_poll_event_t poll_event;
zio_span_next_event_t next_event;
uint32_t span_index;
struct zap_span spans[ZAP_MAX_SPANS_INTERFACE];
};
void zap_channel_rotate_tokens(zap_channel_t *zchan);
@ -337,15 +336,15 @@ zap_status_t zap_channel_queue_dtmf(zap_channel_t *zchan, const char *dtmf);
zap_time_t zap_current_time_in_ms(void);
zap_status_t zap_span_poll_event(zap_span_t *span, uint32_t ms);
zap_status_t zap_span_next_event(zap_span_t *span, zap_event_t **event);
zap_status_t zap_span_find(const char *name, uint32_t id, zap_span_t **span);
zap_status_t zap_span_find(uint32_t id, zap_span_t **span);
zap_status_t zap_span_create(zap_io_interface_t *zio, zap_span_t **span);
zap_status_t zap_span_close_all(zap_io_interface_t *zio);
zap_status_t zap_span_add_channel(zap_span_t *span, zap_socket_t sockfd, zap_chan_type_t type, zap_channel_t **chan);
zap_status_t zap_span_set_event_callback(zap_span_t *span, zio_event_cb_t event_callback);
zap_status_t zap_channel_set_event_callback(zap_channel_t *zchan, zio_event_cb_t event_callback);
zap_status_t zap_channel_open(const char *name, uint32_t span_id, uint32_t chan_id, zap_channel_t **zchan);
zap_status_t zap_channel_open(uint32_t span_id, uint32_t chan_id, zap_channel_t **zchan);
zap_status_t zap_channel_open_chan(zap_channel_t *zchan);
zap_status_t zap_channel_open_any(const char *name, uint32_t span_id, zap_direction_t direction, zap_channel_t **zchan);
zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, zap_channel_t **zchan);
zap_status_t zap_channel_close(zap_channel_t **zchan);
zap_status_t zap_channel_command(zap_channel_t *zchan, zap_command_t command, void *obj);
zap_status_t zap_channel_wait(zap_channel_t *zchan, zap_wait_flag_t *flags, int32_t to);

10
libs/openzap/src/include/zap_types.h
View File

@ -102,8 +102,6 @@ typedef enum {
ZAP_SIGEVENT_TRANSFER,
ZAP_SIGEVENT_ANSWER,
ZAP_SIGEVENT_UP,
ZAP_SIGEVENT_HOLD,
ZAP_SIGEVENT_UNHOLD,
ZAP_SIGEVENT_FLASH,
ZAP_SIGEVENT_PROGRESS,
ZAP_SIGEVENT_PROGRESS_MEDIA,
@ -111,7 +109,7 @@ typedef enum {
ZAP_SIGEVENT_MISC,
ZAP_SIGEVENT_INVALID
} zap_signal_event_t;
#define SIGNAL_STRINGS "START", "STOP", "TRANSFER", "ANSWER", "UP", "HOLD", "UNHOLD", "FLASH", "PROGRESS", "PROGRESS_MEDIA", "NOTIFY", "MISC", "INVALID"
#define SIGNAL_STRINGS "START", "STOP", "TRANSFER", "ANSWER", "UP", "FLASH", "PROGRESS", "PROGRESS_MEDIA", "NOTIFY", "MISC", "INVALID"
ZAP_STR2ENUM_P(zap_str2zap_signal_event, zap_signal_event2str, zap_signal_event_t)
typedef enum {
@ -222,7 +220,8 @@ typedef enum {
ZAP_CHANNEL_WINK = (1 << 9),
ZAP_CHANNEL_FLASH = (1 << 10),
ZAP_CHANNEL_STATE_CHANGE = (1 << 11),
ZAP_CHANNEL_HOLD = (1 << 12)
ZAP_CHANNEL_HOLD = (1 << 12),
ZAP_CHANNEL_INUSE = (1 << 13)
} zap_channel_flag_t;
@ -240,6 +239,7 @@ typedef struct zap_span zap_span_t;
#define ZIO_CONFIGURE_ARGS (const char *category, const char *var, const char *val, int lineno)
#define ZIO_OPEN_ARGS (zap_channel_t *zchan)
#define ZIO_CLOSE_ARGS (zap_channel_t *zchan)
#define ZIO_DESTROY_CHANNEL_ARGS (zap_channel_t *zchan)
#define ZIO_COMMAND_ARGS (zap_channel_t *zchan, zap_command_t command, void *obj)
#define ZIO_WAIT_ARGS (zap_channel_t *zchan, zap_wait_flag_t *flags, int32_t to)
#define ZIO_READ_ARGS (zap_channel_t *zchan, void *data, zap_size_t *datalen)
@ -254,6 +254,7 @@ typedef zap_status_t (*zio_configure_span_t) ZIO_CONFIGURE_SPAN_ARGS ;
typedef zap_status_t (*zio_configure_t) ZIO_CONFIGURE_ARGS ;
typedef zap_status_t (*zio_open_t) ZIO_OPEN_ARGS ;
typedef zap_status_t (*zio_close_t) ZIO_CLOSE_ARGS ;
typedef zap_status_t (*zio_destroy_channel_t) ZIO_DESTROY_CHANNEL_ARGS ;
typedef zap_status_t (*zio_command_t) ZIO_COMMAND_ARGS ;
typedef zap_status_t (*zio_wait_t) ZIO_WAIT_ARGS ;
typedef zap_status_t (*zio_read_t) ZIO_READ_ARGS ;
@ -268,6 +269,7 @@ typedef zap_status_t (*zio_write_t) ZIO_WRITE_ARGS ;
#define ZIO_CONFIGURE_FUNCTION(name) zap_status_t name ZIO_CONFIGURE_ARGS
#define ZIO_OPEN_FUNCTION(name) zap_status_t name ZIO_OPEN_ARGS
#define ZIO_CLOSE_FUNCTION(name) zap_status_t name ZIO_CLOSE_ARGS
#define ZIO_DESTROY_CHANNEL_FUNCTION(name) zap_status_t name ZIO_DESTROY_CHANNEL_ARGS
#define ZIO_COMMAND_FUNCTION(name) zap_status_t name ZIO_COMMAND_ARGS
#define ZIO_WAIT_FUNCTION(name) zap_status_t name ZIO_WAIT_ARGS
#define ZIO_READ_FUNCTION(name) zap_status_t name ZIO_READ_ARGS

17
libs/openzap/src/testanalog.c
View File

@ -61,6 +61,14 @@ static ZIO_SIGNAL_CB_FUNCTION(on_signal)
int main(int argc, char *argv[])
{
zap_span_t *span;
int span_id;
if (argc < 2) {
printf("usage %s <spanno>\n", argv[0]);
exit(-1);
}
span_id = atoi(argv[1]);
zap_global_set_default_logger(ZAP_LOG_LEVEL_DEBUG);
@ -71,14 +79,14 @@ int main(int argc, char *argv[])
zap_log(ZAP_LOG_DEBUG, "OpenZAP loaded\n");
if (zap_span_find("zt", 1, &span) != ZAP_SUCCESS) {
if (zap_span_find(span_id, &span) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span\n");
exit(-1);
goto done;
}
if (zap_analog_configure_span(span, "us", 2000, 11, on_signal) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error configuring OpenZAP span\n");
exit(-1);
goto done;
}
zap_analog_start(span);
@ -86,6 +94,9 @@ int main(int argc, char *argv[])
zap_sleep(1 * 1000);
}
done:
zap_global_destroy();
}

11
libs/openzap/src/testapp.c
View File

@ -8,6 +8,12 @@ int main(int argc, char *argv[])
zap_codec_t codec = ZAP_CODEC_SLIN;
unsigned runs = 1;
if (!argv[1]) {
printf("usage %s <modname>\n", argv[0]);
exit(-1);
}
if (zap_global_init() != ZAP_SUCCESS) {
fprintf(stderr, "Error loading OpenZAP\n");
exit(-1);
@ -17,7 +23,7 @@ int main(int argc, char *argv[])
top:
//if (zap_channel_open_any("wanpipe", 0, ZAP_TOP_DOWN, &chan) == ZAP_SUCCESS) {
if (zap_channel_open("zt", 1, 1, &chan) == ZAP_SUCCESS) {
if (zap_channel_open(argv[1], 1, 1, &chan) == ZAP_SUCCESS) {
int x = 0;
printf("opened channel %d:%d\n", chan->span_id, chan->chan_id);
@ -65,6 +71,9 @@ int main(int argc, char *argv[])
if(--runs) {
goto top;
}
end:
zap_global_destroy();
}

56
libs/openzap/src/zap_analog.c
View File

@ -165,6 +165,11 @@ static void *zap_analog_channel_run(zap_thread_t *me, void *obj)
continue;
}
break;
case ZAP_CHANNEL_STATE_DOWN:
{
goto done;
}
break;
default:
break;
}
@ -176,10 +181,12 @@ static void *zap_analog_channel_run(zap_thread_t *me, void *obj)
case ZAP_CHANNEL_STATE_UP:
{
if (zap_test_flag(chan, ZAP_CHANNEL_HOLD)) {
sig.event_id = ZAP_SIGEVENT_UNHOLD;
zap_clear_flag(chan, ZAP_CHANNEL_HOLD);
sig.event_id = ZAP_SIGEVENT_FLASH;
} else {
sig.event_id = ZAP_SIGEVENT_UP;
}
data->sig_cb(&sig);
continue;
}
@ -199,14 +206,6 @@ static void *zap_analog_channel_run(zap_thread_t *me, void *obj)
goto done;
}
break;
case ZAP_CHANNEL_STATE_HOLD:
{
sig.event_id = ZAP_SIGEVENT_HOLD;
data->sig_cb(&sig);
zap_set_flag_locked(chan, ZAP_CHANNEL_HOLD);
zap_set_state_locked(chan, ZAP_CHANNEL_STATE_DIALTONE);
}
break;
case ZAP_CHANNEL_STATE_DIALTONE:
{
*dtmf = '\0';
@ -322,11 +321,21 @@ static void *zap_analog_channel_run(zap_thread_t *me, void *obj)
zap_log(ZAP_LOG_DEBUG, "ANALOG CHANNEL thread ended.\n");
return NULL;
}
}
static zap_status_t process_event(zap_span_t *span, zap_event_t *event)
{
zap_log(ZAP_LOG_DEBUG, "EVENT [%s][%d:%d]\n", zap_oob_event2str(event->enum_id), event->channel->span_id, event->channel->chan_id);
static zap_status_t process_event(zap_span_t *span, zap_event_t *event)
{
zap_sigmsg_t sig;
zap_analog_data_t *data = event->channel->span->analog_data;
memset(&sig, 0, sizeof(sig));
sig.chan_id = event->channel->chan_id;
sig.span_id = event->channel->span_id;
sig.channel = event->channel;
sig.span = event->channel->span;
zap_log(ZAP_LOG_DEBUG, "EVENT [%s][%d:%d] STATE [%s]\n",
zap_oob_event2str(event->enum_id), event->channel->span_id, event->channel->chan_id, zap_channel_state2str(event->channel->state));
zap_mutex_lock(event->channel->mutex);
@ -339,26 +348,17 @@ static zap_status_t process_event(zap_span_t *span, zap_event_t *event)
break;
case ZAP_OOB_FLASH:
{
zap_sigmsg_t sig;
zap_analog_data_t *data = event->channel->span->analog_data;
memset(&sig, 0, sizeof(sig));
sig.chan_id = event->channel->chan_id;
sig.span_id = event->channel->span_id;
sig.channel = event->channel;
sig.span = event->channel->span;
if (event->channel->state == ZAP_CHANNEL_STATE_UP) {
if (event->channel->token_count > 1) {
zap_channel_rotate_tokens(event->channel);
sig.event_id = ZAP_SIGEVENT_FLASH;
data->sig_cb(&sig);
} else {
zap_channel_rotate_tokens(event->channel);
if (zap_test_flag(event->channel, ZAP_CHANNEL_HOLD)) {
zap_clear_flag_locked(event->channel, ZAP_CHANNEL_HOLD);
zap_set_state_locked(event->channel, ZAP_CHANNEL_STATE_UP);
} else {
zap_set_state_locked(event->channel, ZAP_CHANNEL_STATE_HOLD);
}
data->sig_cb(&sig);
if (event->channel->token_count == 1) {
zap_set_flag_locked(event->channel, ZAP_CHANNEL_HOLD);
zap_set_state_locked(event->channel, ZAP_CHANNEL_STATE_DIALTONE);
}
}
}

246
libs/openzap/src/zap_io.c
View File

@ -73,6 +73,8 @@ zap_time_t zap_current_time_in_ms(void)
static struct {
zap_hash_t *interface_hash;
zap_mutex_t *mutex;
struct zap_span spans[ZAP_MAX_SPANS_INTERFACE];
uint32_t span_index;
} globals;
@ -198,14 +200,16 @@ static uint32_t hashfromstring(void *ky)
zap_status_t zap_span_create(zap_io_interface_t *zio, zap_span_t **span)
{
zap_span_t *new_span = NULL;
zap_status_t status = ZAP_FAIL;
assert(zio != NULL);
if (zio->span_index < ZAP_MAX_SPANS_INTERFACE) {
new_span = &zio->spans[++zio->span_index];
zap_mutex_lock(globals.mutex);
if (globals.span_index < ZAP_MAX_SPANS_INTERFACE) {
new_span = &globals.spans[++globals.span_index];
memset(new_span, 0, sizeof(*new_span));
zap_set_flag(new_span, ZAP_SPAN_CONFIGURED);
new_span->span_id = zio->span_index;
new_span->span_id = globals.span_index;
new_span->zio = zio;
zap_mutex_create(&new_span->mutex);
zap_copy_string(new_span->tone_map[ZAP_TONEMAP_DIAL], "%(1000,0,350,440)", ZAP_TONEMAP_LEN);
@ -214,10 +218,11 @@ zap_status_t zap_span_create(zap_io_interface_t *zio, zap_span_t **span)
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;
*span = new_span;
return ZAP_SUCCESS;
status = ZAP_SUCCESS;
}
zap_mutex_unlock(globals.mutex);
return ZAP_FAIL;
return status;
}
zap_status_t zap_span_close_all(zap_io_interface_t *zio)
@ -225,8 +230,9 @@ zap_status_t zap_span_close_all(zap_io_interface_t *zio)
zap_span_t *span;
uint32_t i, j;
for(i = 0; i < zio->span_index; i++) {
span = &zio->spans[i];
zap_mutex_lock(globals.mutex);
for(i = 0; i < globals.span_index; i++) {
span = &globals.spans[i];
for(j = 0; j < span->chan_count; j++) {
if (zap_test_flag((&span->channels[j]), ZAP_CHANNEL_CONFIGURED)) {
@ -246,6 +252,7 @@ zap_status_t zap_span_close_all(zap_io_interface_t *zio)
free(span->isdn_data);
}
}
zap_mutex_unlock(globals.mutex);
return i ? ZAP_SUCCESS : ZAP_FAIL;
}
@ -304,24 +311,17 @@ zap_status_t zap_span_add_channel(zap_span_t *span, zap_socket_t sockfd, zap_cha
return ZAP_FAIL;
}
zap_status_t zap_span_find(const char *name, uint32_t id, zap_span_t **span)
zap_status_t zap_span_find(uint32_t id, zap_span_t **span)
{
zap_io_interface_t *zio;
zap_span_t *fspan;
zap_mutex_lock(globals.mutex);
zio = (zap_io_interface_t *) hashtable_search(globals.interface_hash, (char *)name);
zap_mutex_unlock(globals.mutex);
if (!zio) {
return ZAP_FAIL;
}
if (id > ZAP_MAX_SPANS_INTERFACE) {
return ZAP_FAIL;
}
fspan = &zio->spans[id];
zap_mutex_lock(globals.mutex);
fspan = &globals.spans[id];
zap_mutex_unlock(globals.mutex);
if (!zap_test_flag(fspan, ZAP_SPAN_CONFIGURED)) {
return ZAP_FAIL;
@ -348,6 +348,8 @@ zap_status_t zap_span_poll_event(zap_span_t *span, uint32_t ms)
if (span->zio->poll_event) {
return span->zio->poll_event(span, ms);
} else {
zap_log(ZAP_LOG_ERROR, "poll_event method not implemented in module %s!", span->zio->name);
}
return ZAP_NOTIMPL;
@ -359,6 +361,8 @@ zap_status_t zap_span_next_event(zap_span_t *span, zap_event_t **event)
if (span->zio->next_event) {
return span->zio->next_event(span, event);
} else {
zap_log(ZAP_LOG_ERROR, "next_event method not implemented in module %s!", span->zio->name);
}
return ZAP_NOTIMPL;
@ -403,9 +407,11 @@ zap_status_t zap_channel_clear_token(zap_channel_t *zchan, int32_t token_id)
void zap_channel_rotate_tokens(zap_channel_t *zchan)
{
if (zchan->token_count) {
memmove(zchan->tokens[1], zchan->tokens[0], zchan->token_count * ZAP_TOKEN_STRLEN);
zap_copy_string(zchan->tokens[0], zchan->tokens[zchan->token_count], ZAP_TOKEN_STRLEN);
*zchan->tokens[zchan->token_count] = '\0';
}
}
zap_status_t zap_channel_add_token(zap_channel_t *zchan, char *token)
@ -414,7 +420,8 @@ zap_status_t zap_channel_add_token(zap_channel_t *zchan, char *token)
zap_mutex_lock(zchan->mutex);
if (zchan->token_count < ZAP_MAX_TOKENS) {
zap_copy_string(zchan->tokens[zchan->token_count], token, sizeof(zchan->tokens[zchan->token_count]));
memmove(zchan->tokens[1], zchan->tokens[0], zchan->token_count * ZAP_TOKEN_STRLEN);
zap_copy_string(zchan->tokens[0], token, ZAP_TOKEN_STRLEN);
zchan->token_count++;
}
zap_mutex_unlock(zchan->mutex);
@ -455,9 +462,8 @@ zap_status_t zap_channel_set_state(zap_channel_t *zchan, zap_channel_state_t sta
return ok ? ZAP_SUCCESS : ZAP_FAIL;
}
zap_status_t zap_channel_open_any(const char *name, uint32_t span_id, zap_direction_t direction, zap_channel_t **zchan)
zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, zap_channel_t **zchan)
{
zap_io_interface_t *zio;
zap_status_t status = ZAP_FAIL;
zap_channel_t *check;
uint32_t i,j;
@ -465,18 +471,11 @@ zap_status_t zap_channel_open_any(const char *name, uint32_t span_id, zap_direct
uint32_t span_max;
zap_mutex_lock(globals.mutex);
zio = (zap_io_interface_t *) hashtable_search(globals.interface_hash, (char *)name);
zap_mutex_unlock(globals.mutex);
if (!zio) {
zap_log(ZAP_LOG_ERROR, "Invalid interface name!\n");
return ZAP_FAIL;
}
if (span_id) {
span_max = span_id;
} else {
span_max = zio->span_index;
span_max = globals.span_index;
}
if (direction == ZAP_TOP_DOWN) {
@ -485,10 +484,8 @@ zap_status_t zap_channel_open_any(const char *name, uint32_t span_id, zap_direct
j = span_max;
}
zap_mutex_lock(globals.mutex);
for(;;) {
span = &zio->spans[j];
span = &globals.spans[j];
if (!zap_test_flag(span, ZAP_SPAN_CONFIGURED)) {
goto next_loop;
@ -524,12 +521,12 @@ zap_status_t zap_channel_open_any(const char *name, uint32_t span_id, zap_direct
check = &span->channels[i];
if (zap_test_flag(check, ZAP_CHANNEL_READY) && !zap_test_flag(check, ZAP_CHANNEL_OPEN)) {
if (zap_test_flag(check, ZAP_CHANNEL_READY) && !zap_test_flag(check, ZAP_CHANNEL_INUSE)) {
status = check->zio->open(check);
if (status == ZAP_SUCCESS) {
zap_set_flag(check, ZAP_CHANNEL_OPEN);
zap_set_flag(check, ZAP_CHANNEL_INUSE);
*zchan = check;
return status;
}
@ -563,6 +560,7 @@ static zap_status_t zap_channel_reset(zap_channel_t *zchan)
zchan->event_callback = NULL;
zap_clear_flag(zchan, ZAP_CHANNEL_DTMF_DETECT);
zap_clear_flag(zchan, ZAP_CHANNEL_SUPRESS_DTMF);
zap_clear_flag(zchan, ZAP_CHANNEL_INUSE);
zap_clear_flag_locked(zchan, ZAP_CHANNEL_HOLD);
memset(zchan->tokens, 0, sizeof(zchan->tokens));
zchan->token_count = 0;
@ -598,7 +596,7 @@ zap_status_t zap_channel_open_chan(zap_channel_t *zchan)
if ((status = zap_mutex_trylock(zchan->mutex)) != ZAP_SUCCESS) {
return status;
}
if (zap_test_flag(zchan, ZAP_CHANNEL_READY) && ! zap_test_flag(zchan, ZAP_CHANNEL_OPEN)) {
if (zap_test_flag(zchan, ZAP_CHANNEL_READY) && !zap_test_flag(zchan, ZAP_CHANNEL_OPEN)) {
status = zchan->span->zio->open(zchan);
if (status == ZAP_SUCCESS) {
zap_set_flag(zchan, ZAP_CHANNEL_OPEN);
@ -609,33 +607,40 @@ zap_status_t zap_channel_open_chan(zap_channel_t *zchan)
return status;
}
zap_status_t zap_channel_open(const char *name, uint32_t span_id, uint32_t chan_id, zap_channel_t **zchan)
zap_status_t zap_channel_open(uint32_t span_id, uint32_t chan_id, zap_channel_t **zchan)
{
zap_io_interface_t *zio;
zap_status_t status = ZAP_FAIL;
zap_mutex_lock(globals.mutex);
zio = (zap_io_interface_t *) hashtable_search(globals.interface_hash, (char *)name);
zap_mutex_unlock(globals.mutex);
if (span_id < ZAP_MAX_SPANS_INTERFACE && chan_id < ZAP_MAX_CHANNELS_SPAN && zio) {
if (span_id < ZAP_MAX_SPANS_INTERFACE && chan_id < ZAP_MAX_CHANNELS_SPAN) {
zap_channel_t *check;
check = &zio->spans[span_id].channels[chan_id];
check = &globals.spans[span_id].channels[chan_id];
if ((status = zap_mutex_trylock(check->mutex)) != ZAP_SUCCESS) {
return status;
goto done;
}
if (zap_test_flag(check, ZAP_CHANNEL_READY) && ! zap_test_flag(check, ZAP_CHANNEL_OPEN)) {
if (zap_test_flag(check, ZAP_CHANNEL_READY) && !zap_test_flag(check, ZAP_CHANNEL_INUSE)) {
if (!zap_test_flag(check, ZAP_CHANNEL_OPEN)) {
status = check->zio->open(check);
if (status == ZAP_SUCCESS) {
zap_set_flag(check, ZAP_CHANNEL_OPEN);
*zchan = check;
}
} else {
status = ZAP_SUCCESS;
}
zap_set_flag(check, ZAP_CHANNEL_INUSE);
*zchan = check;
}
zap_mutex_unlock(check->mutex);
}
done:
zap_mutex_unlock(globals.mutex);
return status;
}
@ -649,7 +654,6 @@ zap_status_t zap_channel_close(zap_channel_t **zchan)
assert(check != NULL);
*zchan = NULL;
zap_mutex_lock(check->mutex);
if (zap_test_flag(check, ZAP_CHANNEL_OPEN)) {
status = check->zio->close(check);
@ -1286,60 +1290,65 @@ static struct {
} interfaces;
static uint32_t load_config(zap_io_interface_t *zio)
static zap_status_t load_config(void)
{
char cfg_name[256];
char cfg_name[] = "openzap.conf";
zap_config_t cfg;
char *var, *val;
int catno = -1;
zap_span_t *span = NULL;
int new_span = 0;
unsigned configured = 0, d = 0;
char name[80] = "";
char number[25] = "";
assert(zio != NULL);
snprintf(cfg_name, sizeof(cfg_name), "%s.conf", zio->name);
zap_log(ZAP_LOG_DEBUG, "configuring %s\n", zio->name);
zap_io_interface_t *zio = NULL;
if (!zap_config_open_file(&cfg, cfg_name)) {
return ZAP_FAIL;
}
while (zap_config_next_pair(&cfg, &var, &val)) {
if (!strcasecmp(cfg.category, "span")) {
if (!strncasecmp(cfg.category, "span", 4)) {
if (cfg.catno != catno) {
zap_log(ZAP_LOG_DEBUG, "found config for span\n");
catno = cfg.catno;
new_span = 1;
span = NULL;
char *type = cfg.category + 4;
if (*type == ' ') {
type++;
}
if (new_span) {
if (!strcasecmp(var, "enabled") && ! zap_true(val)) {
zap_log(ZAP_LOG_DEBUG, "span (disabled)\n");
} else {
if (zap_span_create(zio, &span) == ZAP_SUCCESS) {
zap_log(ZAP_LOG_DEBUG, "created span %d\n", span->span_id);
} else {
zap_log(ZAP_LOG_CRIT, "failure creating span\n");
zap_log(ZAP_LOG_DEBUG, "found config for span\n");
catno = cfg.catno;
if (zap_strlen_zero(type)) {
zap_log(ZAP_LOG_CRIT, "failure creating span, no type specified.\n");
span = NULL;
}
}
new_span = 0;
continue;
}
zap_mutex_lock(globals.mutex);
zio = (zap_io_interface_t *) hashtable_search(globals.interface_hash, type);
zap_mutex_unlock(globals.mutex);
if (!zio) {
zap_log(ZAP_LOG_CRIT, "failure creating span, no such type '%s'\n", type);
span = NULL;
continue;
}
if (zap_span_create(zio, &span) == ZAP_SUCCESS) {
zap_log(ZAP_LOG_DEBUG, "created span %d of type %s\n", span->span_id, type);
} else {
zap_log(ZAP_LOG_CRIT, "failure creating span of type %s\n", type);
span = NULL;
continue;
}
}
if (!span) {
continue;
}
zap_log(ZAP_LOG_DEBUG, "span %d [%s]=[%s]\n", span->span_id, var, val);
if (!strcasecmp(var, "enabled")) {
zap_log(ZAP_LOG_WARNING, "'enabled' command ignored when it's not the first command in a [span]\n");
} else if (!strcasecmp(var, "trunk_type")) {
if (!strcasecmp(var, "trunk_type")) {
span->trunk_type = zap_str2zap_trunk_type(val);
zap_log(ZAP_LOG_DEBUG, "setting trunk type to '%s'\n", zap_trunk_type2str(span->trunk_type));
} else if (!strcasecmp(var, "name")) {
@ -1391,24 +1400,47 @@ static uint32_t load_config(zap_io_interface_t *zio)
d++;
}
}
} else if (zio->configure) {
zio->configure(cfg.category, var, val, cfg.lineno);
} else {
zap_log(ZAP_LOG_ERROR, "unknown param [%s] '%s' / '%s'\n", cfg.category, var, val);
}
}
zap_config_close_file(&cfg);
zap_log(ZAP_LOG_INFO, "wanpipe configured %u channel(s)\n", configured);
zap_log(ZAP_LOG_INFO, "Configured %u channel(s)\n", configured);
return configured;
return configured ? ZAP_SUCCESS : ZAP_FAIL;
}
static zap_status_t process_module_config(zap_io_interface_t *zio)
{
zap_config_t cfg;
char *var, *val;
char filename[256] = "";
assert(zio != NULL);
snprintf(filename, sizeof(filename), "%s.conf", zio->name);
if (!zio->configure) {
zap_log(ZAP_LOG_ERROR, "Module %s does not support configuration.\n", zio->name);
return ZAP_FAIL;
}
if (!zap_config_open_file(&cfg, filename)) {
zap_log(ZAP_LOG_ERROR, "Cannot open %s\n", filename);
return ZAP_FAIL;
}
while (zap_config_next_pair(&cfg, &var, &val)) {
zio->configure(cfg.category, var, val, cfg.lineno);
}
zap_config_close_file(&cfg);
return ZAP_SUCCESS;
}
zap_status_t zap_global_init(void)
{
zap_config_t cfg;
char *var, *val;
uint32_t configured = 0;
int modcount;
time_init();
@ -1419,11 +1451,11 @@ zap_status_t zap_global_init(void)
modcount = 0;
zap_mutex_create(&globals.mutex);
#ifdef Z
AP_WANPIPE_SUPPORT
#ifdef ZAP_WANPIPE_SUPPORT
if (wanpipe_init(&interfaces.wanpipe_interface) == ZAP_SUCCESS) {
zap_mutex_lock(globals.mutex);
hashtable_insert(globals.interface_hash, (void *)interfaces.wanpipe_interface->name, interfaces.wanpipe_interface);
process_module_config(interfaces.wanpipe_interface);
zap_mutex_unlock(globals.mutex);
modcount++;
} else {
@ -1435,6 +1467,7 @@ AP_WANPIPE_SUPPORT
if (zt_init(&interfaces.zt_interface) == ZAP_SUCCESS) {
zap_mutex_lock(globals.mutex);
hashtable_insert(globals.interface_hash, (void *)interfaces.zt_interface->name, interfaces.zt_interface);
process_module_config(interfaces.zt_interface);
zap_mutex_unlock(globals.mutex);
modcount++;
} else {
@ -1447,32 +1480,7 @@ AP_WANPIPE_SUPPORT
return ZAP_FAIL;
}
if (!zap_config_open_file(&cfg, "openzap.conf")) {
zap_log(ZAP_LOG_ERROR, "Cannot open openzap.conf!\n");
return ZAP_FAIL;
}
while (zap_config_next_pair(&cfg, &var, &val)) {
if (!strcasecmp(cfg.category, "openzap")) {
if (!strcmp(var, "load")) {
zap_io_interface_t *zio;
zap_mutex_lock(globals.mutex);
zio = (zap_io_interface_t *) hashtable_search(globals.interface_hash, val);
zap_mutex_unlock(globals.mutex);
if (zio) {
configured += load_config(zio);
} else {
zap_log(ZAP_LOG_WARNING, "Attempted to load Non-Existant module '%s'\n", val);
}
}
}
}
zap_config_close_file(&cfg);
if (configured) {
if (load_config() == ZAP_SUCCESS) {
return ZAP_SUCCESS;
}
@ -1482,8 +1490,32 @@ AP_WANPIPE_SUPPORT
zap_status_t zap_global_destroy(void)
{
unsigned int i,j;
time_end();
for(i = 1; i <= globals.span_index; i++) {
zap_span_t *cur_span = &globals.spans[i];
if (zap_test_flag(cur_span, ZAP_SPAN_CONFIGURED)) {
zap_mutex_lock(cur_span->mutex);
for(j = 1; j <= cur_span->chan_count; j++) {
zap_channel_t *cur_chan = &cur_span->channels[j];
if (zap_test_flag(cur_chan, ZAP_CHANNEL_CONFIGURED)) {
if (cur_span->zio->destroy_channel) {
zap_log(ZAP_LOG_INFO, "Closing channel %u:%u fd:%d\n", cur_chan->span_id, cur_chan->chan_id, cur_chan->sockfd);
if (cur_span->zio->destroy_channel(cur_chan) == ZAP_SUCCESS) {
zap_clear_flag_locked(cur_chan, ZAP_CHANNEL_CONFIGURED);
} else {
zap_log(ZAP_LOG_ERROR, "Error Closing channel %u:%u fd:%d\n", cur_chan->span_id, cur_chan->chan_id, cur_chan->sockfd);
}
}
}
}
zap_mutex_unlock(cur_span->mutex);
}
}
#ifdef ZAP_ZT_SUPPORT
if (interfaces.zt_interface) {
zap_span_close_all(interfaces.zt_interface);

2
libs/openzap/src/zap_isdn.c
View File

@ -202,7 +202,7 @@ zap_status_t zap_isdn_configure_span(zap_span_t *span, Q921NetUser_t mode, Q931D
for(i = 1; i <= span->chan_count; i++) {
if (span->channels[i].type == ZAP_CHAN_TYPE_DQ921) {
if (zap_channel_open(span->zio->name, span->span_id, i, &dchans[x]) == ZAP_SUCCESS) {
if (zap_channel_open(span->span_id, i, &dchans[x]) == ZAP_SUCCESS) {
zap_log(ZAP_LOG_DEBUG, "opening d-channel #%d %d:%d\n", x, dchans[x]->span_id, dchans[x]->chan_id);
x++;
}

48
libs/openzap/src/zap_wanpipe.c
View File

@ -108,13 +108,29 @@ static unsigned wp_open_range(zap_span_t *span, unsigned spanno, unsigned start,
static ZIO_CONFIGURE_FUNCTION(wanpipe_configure)
{
int num;
if (!strcasecmp(category, "defaults")) {
if (!strcasecmp(var, "codec_ms")) {
unsigned codec_ms = atoi(val);
if (codec_ms < 10 || codec_ms > 60) {
num = atoi(val);
if (num < 10 || num > 60) {
zap_log(ZAP_LOG_WARNING, "invalid codec ms at line %d\n", lineno);
} else {
wp_globals.codec_ms = codec_ms;
wp_globals.codec_ms = num;
}
} else if (!strcasecmp(var, "wink_ms")) {
num = atoi(val);
if (num < 500 || num > 2000) {
zap_log(ZAP_LOG_WARNING, "invalid wink ms at line %d\n", lineno);
} else {
wp_globals.wink_ms = num;
}
} else if (!strcasecmp(var, "flash_ms")) {
num = atoi(val);
if (num < 500 || num > 2000) {
zap_log(ZAP_LOG_WARNING, "invalid flash ms at line %d\n", lineno);
} else {
wp_globals.flash_ms = num;
}
}
}
@ -479,6 +495,14 @@ ZIO_SPAN_NEXT_EVENT_FUNCTION(wanpipe_next_event)
}
static ZIO_DESTROY_CHANNEL_FUNCTION(wanpipe_destroy_channel)
{
tdmv_api_close_socket(&zchan->sockfd);
zchan->sockfd = WP_INVALID_SOCKET;
return ZAP_SUCCESS;
}
zap_status_t wanpipe_init(zap_io_interface_t **zio)
{
assert(zio != NULL);
@ -500,6 +524,7 @@ zap_status_t wanpipe_init(zap_io_interface_t **zio)
wanpipe_interface.poll_event = wanpipe_poll_event;
#endif
wanpipe_interface.next_event = wanpipe_next_event;
wanpipe_interface.destroy_channel = wanpipe_destroy_channel;
*zio = &wanpipe_interface;
return ZAP_SUCCESS;
@ -507,23 +532,6 @@ zap_status_t wanpipe_init(zap_io_interface_t **zio)
zap_status_t wanpipe_destroy(void)
{
unsigned int i,j;
for(i = 1; i <= wanpipe_interface.span_index; i++) {
zap_span_t *cur_span = &wanpipe_interface.spans[i];
if (zap_test_flag(cur_span, ZAP_SPAN_CONFIGURED)) {
for(j = 1; j <= cur_span->chan_count; j++) {
zap_channel_t *cur_chan = &cur_span->channels[j];
if (zap_test_flag(cur_chan, ZAP_CHANNEL_CONFIGURED)) {
zap_log(ZAP_LOG_INFO, "Closing channel %u:%u fd:%d\n", cur_chan->span_id, cur_chan->chan_id, cur_chan->sockfd);
tdmv_api_close_socket(&cur_chan->sockfd);
}
}
}
}
memset(&wanpipe_interface, 0, sizeof(wanpipe_interface));
return ZAP_SUCCESS;
}

65
libs/openzap/src/zap_zt.c
View File

@ -54,7 +54,7 @@ static unsigned zt_open_range(zap_span_t *span, unsigned start, unsigned end, za
zap_channel_t *chan;
zap_socket_t sockfd = ZT_INVALID_SOCKET;
int command;
int len = zt_globals.codec_ms * 8;
int len;
snprintf(path, sizeof(path), "/dev/zap/%d", x);
sockfd = open(path, O_RDWR);
@ -71,24 +71,25 @@ static unsigned zt_open_range(zap_span_t *span, unsigned start, unsigned end, za
}
#endif
len = zt_globals.codec_ms * 8;
if (ioctl(chan->sockfd, ZT_SET_BLOCKSIZE, &len)) {
zap_log(ZAP_LOG_INFO, "failure configuring device %s as OpenZAP device %d:%d fd:%d err:%s\n",
path, chan->span_id, chan->chan_id, sockfd, strerror(errno));
close(sockfd);
continue;
} else {
}
chan->packet_len = len;
chan->effective_interval = chan->native_interval = chan->packet_len / 8;
if (chan->effective_codec == ZAP_CODEC_SLIN) {
chan->packet_len *= 2;
}
}
if (ioctl(sockfd, ZT_GET_PARAMS, &ztp) < 0) {
close(sockfd);
zap_log(ZAP_LOG_INFO, "failure configuring device %s as OpenZAP device %d:%d fd:%d\n", path, chan->span_id, chan->chan_id, sockfd);
close(sockfd);
continue;
}
zap_log(ZAP_LOG_INFO, "configuring device %s as OpenZAP device %d:%d fd:%d\n", path, chan->span_id, chan->chan_id, sockfd);
@ -101,6 +102,15 @@ static unsigned zt_open_range(zap_span_t *span, unsigned start, unsigned end, za
}
}
ztp.wink_time = zt_globals.wink_ms;
ztp.flash_time = zt_globals.flash_ms;
if (ioctl(sockfd, ZT_SET_PARAMS, &ztp) < 0) {
zap_log(ZAP_LOG_INFO, "failure configuring device %s as OpenZAP device %d:%d fd:%d\n", path, chan->span_id, chan->chan_id, sockfd);
close(sockfd);
continue;
}
if (!zap_strlen_zero(name)) {
zap_copy_string(chan->chan_name, name, sizeof(chan->chan_name));
}
@ -175,13 +185,30 @@ static ZIO_CONFIGURE_SPAN_FUNCTION(zt_configure_span)
static ZIO_CONFIGURE_FUNCTION(zt_configure)
{
int num;
if (!strcasecmp(category, "defaults")) {
if (!strcasecmp(var, "codec_ms")) {
unsigned codec_ms = atoi(val);
if (codec_ms < 10 || codec_ms > 60) {
num = atoi(val);
if (num < 10 || num > 60) {
zap_log(ZAP_LOG_WARNING, "invalid codec ms at line %d\n", lineno);
} else {
zt_globals.codec_ms = codec_ms;
zt_globals.codec_ms = num;
}
} else if (!strcasecmp(var, "wink_ms")) {
num = atoi(val);
if (num < 500 || num > 2000) {
zap_log(ZAP_LOG_WARNING, "invalid wink ms at line %d\n", lineno);
} else {
zt_globals.wink_ms = num;
}
} else if (!strcasecmp(var, "flash_ms")) {
num = atoi(val);
if (num < 500 || num > 2000) {
zap_log(ZAP_LOG_WARNING, "invalid flash ms at line %d\n", lineno);
} else {
zt_globals.flash_ms = num;
}
}
}
@ -364,6 +391,15 @@ ZIO_SPAN_NEXT_EVENT_FUNCTION(zt_next_event)
event_id = ZAP_OOB_ONHOOK;
}
break;
case ZT_EVENT_WINKFLASH:
{
if (span->channels[i].state == ZAP_CHANNEL_STATE_DOWN) {
event_id = ZAP_OOB_WINK;
} else {
event_id = ZAP_OOB_FLASH;
}
}
break;
case ZT_EVENT_RINGOFFHOOK:
{
if (span->channels[i].type == ZAP_CHAN_TYPE_FXS) {
@ -425,6 +461,14 @@ static ZIO_WRITE_FUNCTION(zt_write)
return ZAP_FAIL;
}
static ZIO_DESTROY_CHANNEL_FUNCTION(zt_destroy_channel)
{
close(zchan->sockfd);
zchan->sockfd = ZT_INVALID_SOCKET;
return ZAP_SUCCESS;
}
static zap_io_interface_t zt_interface;
zap_status_t zt_init(zap_io_interface_t **zio)
@ -447,6 +491,7 @@ zap_status_t zt_init(zap_io_interface_t **zio)
zt_interface.write = zt_write;
zt_interface.poll_event = zt_poll_event;
zt_interface.next_event = zt_next_event;
zt_interface.destroy_channel = zt_destroy_channel;
*zio = &zt_interface;
@ -455,5 +500,7 @@ zap_status_t zt_init(zap_io_interface_t **zio)
zap_status_t zt_destroy(void)
{
return ZAP_FAIL;
memset(&zt_interface, 0, sizeof(zt_interface));
return ZAP_SUCCESS;
}