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@ -44,12 +44,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/astobj2.h"
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#include "asterisk/cli.h"
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static struct ast_taskprocessor *event_dispatcher;
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static int event_append_ie_raw(struct ast_event **event, enum ast_event_ie_type ie_type,
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const void *data, size_t data_len);
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static const void *event_get_ie_raw(const struct ast_event *event, enum ast_event_ie_type ie_type);
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static uint16_t event_get_ie_raw_payload_len(const struct ast_event *event, enum ast_event_ie_type ie_type);
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static uint32_t event_get_ie_str_hash(const struct ast_event *event, enum ast_event_ie_type ie_type);
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/*!
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* \brief An event information element
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@ -112,23 +109,6 @@ struct ast_event_ie_val {
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size_t raw_datalen;
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};
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/*! \brief Event subscription */
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struct ast_event_sub {
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enum ast_event_type type;
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ast_event_cb_t cb;
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char description[64];
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void *userdata;
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uint32_t uniqueid;
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AST_LIST_HEAD_NOLOCK(, ast_event_ie_val) ie_vals;
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AST_RWDLLIST_ENTRY(ast_event_sub) entry;
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};
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static uint32_t sub_uniqueid;
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/*! \brief Event subscriptions
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* The event subscribers are indexed by which event they are subscribed to */
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static AST_RWDLLIST_HEAD(ast_event_sub_list, ast_event_sub) ast_event_subs[AST_EVENT_TOTAL];
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struct ie_map {
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enum ast_event_ie_pltype ie_pltype;
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const char *name;
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@ -217,513 +197,11 @@ size_t ast_event_get_size(const struct ast_event *event)
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return res;
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}
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static void ast_event_ie_val_destroy(struct ast_event_ie_val *ie_val)
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{
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switch (ie_val->ie_pltype) {
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case AST_EVENT_IE_PLTYPE_STR:
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ast_free((char *) ie_val->payload.str);
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break;
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case AST_EVENT_IE_PLTYPE_RAW:
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ast_free(ie_val->payload.raw);
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break;
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case AST_EVENT_IE_PLTYPE_UINT:
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case AST_EVENT_IE_PLTYPE_UNKNOWN:
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break;
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}
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ast_free(ie_val);
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}
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/*! \brief Subscription event check list. */
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struct ast_ev_check_list {
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AST_LIST_HEAD_NOLOCK(, ast_event_ie_val) ie_vals;
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};
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/*!
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* \internal
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* \brief Check if a subscription ie_val matches an event.
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*
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* \param sub_ie_val Subscripton IE value to check
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* \param check_ie_vals event list to check against
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*
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* \retval 0 not matched
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* \retval non-zero matched
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*/
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static int match_sub_ie_val_to_event(const struct ast_event_ie_val *sub_ie_val, const struct ast_ev_check_list *check_ie_vals)
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{
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const struct ast_event_ie_val *event_ie_val;
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int res = 0;
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AST_LIST_TRAVERSE(&check_ie_vals->ie_vals, event_ie_val, entry) {
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if (sub_ie_val->ie_type == event_ie_val->ie_type) {
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break;
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}
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}
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if (!event_ie_val) {
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/* We did not find the event ie the subscriber cares about. */
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return 0;
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}
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if (sub_ie_val->ie_pltype != event_ie_val->ie_pltype) {
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/* Payload types do not match. */
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return 0;
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}
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switch (sub_ie_val->ie_pltype) {
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case AST_EVENT_IE_PLTYPE_UINT:
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res = (sub_ie_val->payload.uint == event_ie_val->payload.uint);
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break;
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case AST_EVENT_IE_PLTYPE_STR:
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{
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const char *substr = sub_ie_val->payload.str;
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const char *estr = event_ie_val->payload.str;
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res = !strcmp(substr, estr);
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break;
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}
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case AST_EVENT_IE_PLTYPE_RAW:
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res = (sub_ie_val->raw_datalen == event_ie_val->raw_datalen
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&& !memcmp(sub_ie_val->payload.raw, event_ie_val->payload.raw,
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sub_ie_val->raw_datalen));
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break;
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case AST_EVENT_IE_PLTYPE_UNKNOWN:
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/*
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* Should never be in a subscription event ie val list and
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* check_ie_vals cannot have this type either.
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*/
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break;
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}
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return res;
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}
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enum ast_event_subscriber_res ast_event_check_subscriber(enum ast_event_type type, ...)
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{
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va_list ap;
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enum ast_event_ie_type ie_type;
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enum ast_event_subscriber_res res = AST_EVENT_SUB_NONE;
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struct ast_event_ie_val *ie_val;
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struct ast_event_sub *sub;
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struct ast_ev_check_list check_ie_vals = {
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.ie_vals = AST_LIST_HEAD_NOLOCK_INIT_VALUE
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};
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const enum ast_event_type event_types[] = { type, AST_EVENT_ALL };
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int i;
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int want_specific_event;/* TRUE if looking for subscribers wanting specific parameters. */
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if (type >= AST_EVENT_TOTAL) {
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ast_log(LOG_ERROR, "%u is an invalid type!\n", type);
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return res;
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}
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want_specific_event = 0;
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va_start(ap, type);
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for (ie_type = va_arg(ap, enum ast_event_ie_type);
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ie_type != AST_EVENT_IE_END;
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ie_type = va_arg(ap, enum ast_event_ie_type))
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{
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struct ast_event_ie_val *ie_value = ast_alloca(sizeof(*ie_value));
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int insert = 0;
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memset(ie_value, 0, sizeof(*ie_value));
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ie_value->ie_type = ie_type;
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ie_value->ie_pltype = va_arg(ap, enum ast_event_ie_pltype);
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switch (ie_value->ie_pltype) {
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case AST_EVENT_IE_PLTYPE_UINT:
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ie_value->payload.uint = va_arg(ap, uint32_t);
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insert = 1;
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break;
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case AST_EVENT_IE_PLTYPE_STR:
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ie_value->payload.str = va_arg(ap, const char *);
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insert = 1;
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break;
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case AST_EVENT_IE_PLTYPE_RAW:
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{
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void *data = va_arg(ap, void *);
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size_t datalen = va_arg(ap, size_t);
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ie_value->payload.raw = ast_alloca(datalen);
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memcpy(ie_value->payload.raw, data, datalen);
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ie_value->raw_datalen = datalen;
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insert = 1;
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break;
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}
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case AST_EVENT_IE_PLTYPE_UNKNOWN:
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/* Unsupported payload type. */
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break;
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}
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if (insert) {
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want_specific_event = 1;
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AST_LIST_INSERT_TAIL(&check_ie_vals.ie_vals, ie_value, entry);
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} else {
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ast_log(LOG_WARNING, "Unsupported PLTYPE(%d)\n", ie_value->ie_pltype);
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}
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}
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va_end(ap);
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for (i = 0; i < ARRAY_LEN(event_types); i++) {
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AST_RWDLLIST_RDLOCK(&ast_event_subs[event_types[i]]);
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if (want_specific_event) {
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AST_RWDLLIST_TRAVERSE(&ast_event_subs[event_types[i]], sub, entry) {
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AST_LIST_TRAVERSE(&sub->ie_vals, ie_val, entry) {
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if (!match_sub_ie_val_to_event(ie_val, &check_ie_vals)) {
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/* The current subscription ie did not match an event ie. */
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break;
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}
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}
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if (!ie_val) {
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/* Everything matched. A subscriber is looking for this event. */
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break;
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}
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}
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} else {
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/* Just looking to see if there are ANY subscribers to the event type. */
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sub = AST_RWLIST_FIRST(&ast_event_subs[event_types[i]]);
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}
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AST_RWDLLIST_UNLOCK(&ast_event_subs[event_types[i]]);
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if (sub) {
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break;
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}
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}
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return sub ? AST_EVENT_SUB_EXISTS : AST_EVENT_SUB_NONE;
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}
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/*!
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* \internal
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* \brief Check if an ie_val matches an event
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*
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* \param event event to check against
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* \param ie_val IE value to check
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* \param event2 optional event, if specified, the value to compare against will be pulled
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* from this event instead of from the ie_val structure. In this case, only the IE
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* type and payload type will be pulled from ie_val.
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*
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* \retval 0 not matched
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* \retval non-zero matched
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*/
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static int match_ie_val(const struct ast_event *event,
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const struct ast_event_ie_val *ie_val, const struct ast_event *event2)
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{
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switch (ie_val->ie_pltype) {
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case AST_EVENT_IE_PLTYPE_UINT:
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{
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uint32_t val = event2 ? ast_event_get_ie_uint(event2, ie_val->ie_type) : ie_val->payload.uint;
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return (val == ast_event_get_ie_uint(event, ie_val->ie_type)) ? 1 : 0;
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}
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case AST_EVENT_IE_PLTYPE_STR:
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{
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const char *str;
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uint32_t hash;
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hash = event2 ? event_get_ie_str_hash(event2, ie_val->ie_type) : ie_val->payload.hash;
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if (hash != event_get_ie_str_hash(event, ie_val->ie_type)) {
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return 0;
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}
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str = event2 ? ast_event_get_ie_str(event2, ie_val->ie_type) : ie_val->payload.str;
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if (str) {
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const char *e1str, *e2str;
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e1str = ast_event_get_ie_str(event, ie_val->ie_type);
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e2str = str;
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if (!strcmp(e1str, e2str)) {
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return 1;
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}
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}
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return 0;
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}
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case AST_EVENT_IE_PLTYPE_RAW:
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{
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const void *buf = event2 ? event_get_ie_raw(event2, ie_val->ie_type) : ie_val->payload.raw;
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uint16_t ie_payload_len = event2 ? event_get_ie_raw_payload_len(event2, ie_val->ie_type) : ie_val->raw_datalen;
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return (buf
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&& ie_payload_len == event_get_ie_raw_payload_len(event, ie_val->ie_type)
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&& !memcmp(buf, event_get_ie_raw(event, ie_val->ie_type), ie_payload_len)) ? 1 : 0;
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}
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case AST_EVENT_IE_PLTYPE_UNKNOWN:
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return 0;
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}
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return 0;
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}
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static struct ast_event *gen_sub_event(struct ast_event_sub *sub)
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{
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struct ast_event_ie_val *ie_val;
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struct ast_event *event;
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event = ast_event_new(AST_EVENT_SUB,
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AST_EVENT_IE_UNIQUEID, AST_EVENT_IE_PLTYPE_UINT, sub->uniqueid,
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AST_EVENT_IE_EVENTTYPE, AST_EVENT_IE_PLTYPE_UINT, sub->type,
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AST_EVENT_IE_DESCRIPTION, AST_EVENT_IE_PLTYPE_STR, sub->description,
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AST_EVENT_IE_END);
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if (!event)
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return NULL;
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AST_LIST_TRAVERSE(&sub->ie_vals, ie_val, entry) {
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switch (ie_val->ie_pltype) {
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case AST_EVENT_IE_PLTYPE_UNKNOWN:
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break;
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case AST_EVENT_IE_PLTYPE_UINT:
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ast_event_append_ie_uint(&event, ie_val->ie_type, ie_val->payload.uint);
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break;
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case AST_EVENT_IE_PLTYPE_STR:
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ast_event_append_ie_str(&event, ie_val->ie_type, ie_val->payload.str);
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break;
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case AST_EVENT_IE_PLTYPE_RAW:
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event_append_ie_raw(&event, ie_val->ie_type, ie_val->payload.raw, ie_val->raw_datalen);
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break;
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}
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if (!event)
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break;
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}
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return event;
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}
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|
|
|
/*! \brief Send AST_EVENT_SUB events to this subscriber of ... subscriber events */
|
|
|
|
|
void ast_event_report_subs(const struct ast_event_sub *event_sub)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event *event;
|
|
|
|
|
struct ast_event_sub *sub;
|
|
|
|
|
enum ast_event_type event_type = -1;
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
if (event_sub->type != AST_EVENT_SUB)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
AST_LIST_TRAVERSE(&event_sub->ie_vals, ie_val, entry) {
|
|
|
|
|
if (ie_val->ie_type == AST_EVENT_IE_EVENTTYPE) {
|
|
|
|
|
event_type = ie_val->payload.uint;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (event_type == -1)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
AST_RWDLLIST_RDLOCK(&ast_event_subs[event_type]);
|
|
|
|
|
AST_RWDLLIST_TRAVERSE(&ast_event_subs[event_type], sub, entry) {
|
|
|
|
|
if (event_sub == sub) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
event = gen_sub_event(sub);
|
|
|
|
|
if (!event) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
event_sub->cb(event, event_sub->userdata);
|
|
|
|
|
|
|
|
|
|
ast_event_destroy(event);
|
|
|
|
|
}
|
|
|
|
|
AST_RWDLLIST_UNLOCK(&ast_event_subs[event_type]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct ast_event_sub *ast_event_subscribe_new(enum ast_event_type type,
|
|
|
|
|
ast_event_cb_t cb, void *userdata)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_sub *sub;
|
|
|
|
|
|
|
|
|
|
if (type < 0 || type >= AST_EVENT_TOTAL) {
|
|
|
|
|
ast_log(LOG_ERROR, "%u is an invalid type!\n", type);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(sub = ast_calloc(1, sizeof(*sub)))) {
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sub->type = type;
|
|
|
|
|
sub->cb = cb;
|
|
|
|
|
sub->userdata = userdata;
|
|
|
|
|
sub->uniqueid = ast_atomic_fetchadd_int((int *) &sub_uniqueid, 1);
|
|
|
|
|
|
|
|
|
|
return sub;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_sub_append_ie_uint(struct ast_event_sub *sub,
|
|
|
|
|
enum ast_event_ie_type ie_type, uint32_t unsigned_int)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
if (ie_type <= 0 || ie_type >= AST_EVENT_IE_TOTAL) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(ie_val = ast_calloc(1, sizeof(*ie_val)))) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ie_val->ie_type = ie_type;
|
|
|
|
|
ie_val->payload.uint = unsigned_int;
|
|
|
|
|
ie_val->ie_pltype = AST_EVENT_IE_PLTYPE_UINT;
|
|
|
|
|
|
|
|
|
|
AST_LIST_INSERT_TAIL(&sub->ie_vals, ie_val, entry);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_sub_append_ie_str(struct ast_event_sub *sub,
|
|
|
|
|
enum ast_event_ie_type ie_type, const char *str)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
if (ie_type <= 0 || ie_type >= AST_EVENT_IE_TOTAL) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(ie_val = ast_calloc(1, sizeof(*ie_val)))) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ie_val->ie_type = ie_type;
|
|
|
|
|
ie_val->ie_pltype = AST_EVENT_IE_PLTYPE_STR;
|
|
|
|
|
|
|
|
|
|
if (!(ie_val->payload.str = ast_strdup(str))) {
|
|
|
|
|
ast_free(ie_val);
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ie_val->payload.hash = ast_str_hash(str);
|
|
|
|
|
|
|
|
|
|
AST_LIST_INSERT_TAIL(&sub->ie_vals, ie_val, entry);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_sub_append_ie_raw(struct ast_event_sub *sub,
|
|
|
|
|
enum ast_event_ie_type ie_type, void *data, size_t raw_datalen)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
if (ie_type <= 0 || ie_type >= AST_EVENT_IE_TOTAL) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(ie_val = ast_calloc(1, sizeof(*ie_val)))) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ie_val->ie_type = ie_type;
|
|
|
|
|
ie_val->ie_pltype = AST_EVENT_IE_PLTYPE_RAW;
|
|
|
|
|
ie_val->raw_datalen = raw_datalen;
|
|
|
|
|
|
|
|
|
|
if (!(ie_val->payload.raw = ast_malloc(raw_datalen))) {
|
|
|
|
|
ast_free(ie_val);
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
memcpy(ie_val->payload.raw, data, raw_datalen);
|
|
|
|
|
|
|
|
|
|
AST_LIST_INSERT_TAIL(&sub->ie_vals, ie_val, entry);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_sub_activate(struct ast_event_sub *sub)
|
|
|
|
|
{
|
|
|
|
|
if (ast_event_check_subscriber(AST_EVENT_SUB,
|
|
|
|
|
AST_EVENT_IE_EVENTTYPE, AST_EVENT_IE_PLTYPE_UINT, sub->type,
|
|
|
|
|
AST_EVENT_IE_END) != AST_EVENT_SUB_NONE) {
|
|
|
|
|
struct ast_event *event;
|
|
|
|
|
|
|
|
|
|
event = gen_sub_event(sub);
|
|
|
|
|
if (event && ast_event_queue(event)) {
|
|
|
|
|
ast_event_destroy(event);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
AST_RWDLLIST_WRLOCK(&ast_event_subs[sub->type]);
|
|
|
|
|
AST_RWDLLIST_INSERT_TAIL(&ast_event_subs[sub->type], sub, entry);
|
|
|
|
|
AST_RWDLLIST_UNLOCK(&ast_event_subs[sub->type]);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct ast_event_sub *ast_event_subscribe(enum ast_event_type type, ast_event_cb_t cb,
|
|
|
|
|
const char *description, void *userdata, ...)
|
|
|
|
|
{
|
|
|
|
|
va_list ap;
|
|
|
|
|
enum ast_event_ie_type ie_type;
|
|
|
|
|
struct ast_event_sub *sub;
|
|
|
|
|
|
|
|
|
|
if (!(sub = ast_event_subscribe_new(type, cb, userdata))) {
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ast_copy_string(sub->description, description, sizeof(sub->description));
|
|
|
|
|
|
|
|
|
|
va_start(ap, userdata);
|
|
|
|
|
for (ie_type = va_arg(ap, enum ast_event_ie_type);
|
|
|
|
|
ie_type != AST_EVENT_IE_END;
|
|
|
|
|
ie_type = va_arg(ap, enum ast_event_ie_type))
|
|
|
|
|
{
|
|
|
|
|
enum ast_event_ie_pltype ie_pltype;
|
|
|
|
|
|
|
|
|
|
ie_pltype = va_arg(ap, enum ast_event_ie_pltype);
|
|
|
|
|
|
|
|
|
|
switch (ie_pltype) {
|
|
|
|
|
case AST_EVENT_IE_PLTYPE_UNKNOWN:
|
|
|
|
|
break;
|
|
|
|
|
case AST_EVENT_IE_PLTYPE_UINT:
|
|
|
|
|
{
|
|
|
|
|
uint32_t unsigned_int = va_arg(ap, uint32_t);
|
|
|
|
|
ast_event_sub_append_ie_uint(sub, ie_type, unsigned_int);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case AST_EVENT_IE_PLTYPE_STR:
|
|
|
|
|
{
|
|
|
|
|
const char *str = va_arg(ap, const char *);
|
|
|
|
|
ast_event_sub_append_ie_str(sub, ie_type, str);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case AST_EVENT_IE_PLTYPE_RAW:
|
|
|
|
|
{
|
|
|
|
|
void *data = va_arg(ap, void *);
|
|
|
|
|
size_t data_len = va_arg(ap, size_t);
|
|
|
|
|
ast_event_sub_append_ie_raw(sub, ie_type, data, data_len);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
|
|
ast_event_sub_activate(sub);
|
|
|
|
|
|
|
|
|
|
return sub;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ast_event_sub_destroy(struct ast_event_sub *sub)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
while ((ie_val = AST_LIST_REMOVE_HEAD(&sub->ie_vals, entry))) {
|
|
|
|
|
ast_event_ie_val_destroy(ie_val);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ast_free(sub);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct ast_event_sub *ast_event_unsubscribe(struct ast_event_sub *sub)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
AST_RWDLLIST_WRLOCK(&ast_event_subs[sub->type]);
|
|
|
|
|
AST_DLLIST_REMOVE(&ast_event_subs[sub->type], sub, entry);
|
|
|
|
|
AST_RWDLLIST_UNLOCK(&ast_event_subs[sub->type]);
|
|
|
|
|
|
|
|
|
|
ast_event_sub_destroy(sub);
|
|
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_iterator_init(struct ast_event_iterator *iterator, const struct ast_event *event)
|
|
|
|
|
{
|
|
|
|
|
int res = 0;
|
|
|
|
|
@ -770,11 +248,6 @@ static void *event_iterator_get_ie_raw(struct ast_event_iterator *iterator)
|
|
|
|
|
return iterator->ie->ie_payload;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static uint16_t event_iterator_get_ie_raw_payload_len(struct ast_event_iterator *iterator)
|
|
|
|
|
{
|
|
|
|
|
return ntohs(iterator->ie->ie_payload_len);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
enum ast_event_type ast_event_get_type(const struct ast_event *event)
|
|
|
|
|
{
|
|
|
|
|
return ntohs(event->type);
|
|
|
|
|
@ -789,15 +262,6 @@ uint32_t ast_event_get_ie_uint(const struct ast_event *event, enum ast_event_ie_
|
|
|
|
|
return ie_val ? ntohl(get_unaligned_uint32(ie_val)) : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static uint32_t event_get_ie_str_hash(const struct ast_event *event, enum ast_event_ie_type ie_type)
|
|
|
|
|
{
|
|
|
|
|
const struct ast_event_ie_str_payload *str_payload;
|
|
|
|
|
|
|
|
|
|
str_payload = event_get_ie_raw(event, ie_type);
|
|
|
|
|
|
|
|
|
|
return str_payload ? str_payload->hash : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const char *ast_event_get_ie_str(const struct ast_event *event, enum ast_event_ie_type ie_type)
|
|
|
|
|
{
|
|
|
|
|
const struct ast_event_ie_str_payload *str_payload;
|
|
|
|
|
@ -821,20 +285,6 @@ static const void *event_get_ie_raw(const struct ast_event *event, enum ast_even
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static uint16_t event_get_ie_raw_payload_len(const struct ast_event *event, enum ast_event_ie_type ie_type)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event_iterator iterator;
|
|
|
|
|
int res;
|
|
|
|
|
|
|
|
|
|
for (res = ast_event_iterator_init(&iterator, event); !res; res = ast_event_iterator_next(&iterator)) {
|
|
|
|
|
if (ast_event_iterator_get_ie_type(&iterator) == ie_type) {
|
|
|
|
|
return event_iterator_get_ie_raw_payload_len(&iterator);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_append_ie_str(struct ast_event **event, enum ast_event_ie_type ie_type,
|
|
|
|
|
const char *str)
|
|
|
|
|
{
|
|
|
|
|
@ -974,111 +424,3 @@ void ast_event_destroy(struct ast_event *event)
|
|
|
|
|
{
|
|
|
|
|
ast_free(event);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int handle_event(void *data)
|
|
|
|
|
{
|
|
|
|
|
struct ast_event *event = data;
|
|
|
|
|
struct ast_event_sub *sub;
|
|
|
|
|
const enum ast_event_type event_types[] = {
|
|
|
|
|
ntohs(event->type),
|
|
|
|
|
AST_EVENT_ALL
|
|
|
|
|
};
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_LEN(event_types); i++) {
|
|
|
|
|
AST_RWDLLIST_RDLOCK(&ast_event_subs[event_types[i]]);
|
|
|
|
|
AST_RWDLLIST_TRAVERSE(&ast_event_subs[event_types[i]], sub, entry) {
|
|
|
|
|
struct ast_event_ie_val *ie_val;
|
|
|
|
|
|
|
|
|
|
AST_LIST_TRAVERSE(&sub->ie_vals, ie_val, entry) {
|
|
|
|
|
if (!match_ie_val(event, ie_val, NULL)) {
|
|
|
|
|
/* The current subscription ie did not match an event ie. */
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (ie_val) {
|
|
|
|
|
/* The event did not match this subscription. */
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
sub->cb(event, sub->userdata);
|
|
|
|
|
}
|
|
|
|
|
AST_RWDLLIST_UNLOCK(&ast_event_subs[event_types[i]]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ast_event_destroy(event);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_queue(struct ast_event *event)
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{
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uint16_t host_event_type;
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int res;
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host_event_type = ntohs(event->type);
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/* Invalid type */
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if (host_event_type >= AST_EVENT_TOTAL) {
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ast_log(LOG_WARNING, "Someone tried to queue an event of invalid "
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"type '%d'!\n", host_event_type);
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return -1;
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}
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/* If nobody has subscribed to this event type, throw it away now */
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if (ast_event_check_subscriber(host_event_type, AST_EVENT_IE_END)
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== AST_EVENT_SUB_NONE) {
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ast_event_destroy(event);
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return 0;
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}
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res = ast_taskprocessor_push(event_dispatcher, handle_event, event);
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if (res) {
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ast_event_destroy(event);
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}
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return res;
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}
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|
/*! \internal \brief Clean up resources on Asterisk shutdown */
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|
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static void event_shutdown(void)
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{
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|
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struct ast_event_sub *sub;
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int i;
|
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|
|
if (event_dispatcher) {
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|
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event_dispatcher = ast_taskprocessor_unreference(event_dispatcher);
|
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|
|
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}
|
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|
|
/* Remove any remaining subscriptions. Note that we can't just call
|
|
|
|
|
* unsubscribe, as it will attempt to lock the subscription list
|
|
|
|
|
* as well */
|
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|
|
|
for (i = 0; i < AST_EVENT_TOTAL; i++) {
|
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|
|
|
AST_RWDLLIST_WRLOCK(&ast_event_subs[i]);
|
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|
|
|
while ((sub = AST_RWDLLIST_REMOVE_HEAD(&ast_event_subs[i], entry))) {
|
|
|
|
|
ast_event_sub_destroy(sub);
|
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|
|
|
}
|
|
|
|
|
AST_RWDLLIST_UNLOCK(&ast_event_subs[i]);
|
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|
|
|
AST_RWDLLIST_HEAD_DESTROY(&ast_event_subs[i]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ast_event_init(void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < AST_EVENT_TOTAL; i++) {
|
|
|
|
|
AST_RWDLLIST_HEAD_INIT(&ast_event_subs[i]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(event_dispatcher = ast_taskprocessor_get("core_event_dispatcher", 0))) {
|
|
|
|
|
goto event_init_cleanup;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ast_register_atexit(event_shutdown);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
event_init_cleanup:
|
|
|
|
|
event_shutdown();
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
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|
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|
|
Kinsey Moore
12 years ago