Tue Aug 20 16:34:48 2013

Asterisk developer's documentation


astobj2.h File Reference

#include "asterisk/compat.h"
#include "asterisk/linkedlists.h"

Go to the source code of this file.

Data Structures

struct  ao2_iterator
 When we need to walk through a container, we use an ao2_iterator to keep track of the current position. More...

Defines

#define ao2_callback_data(arg1, arg2, arg3, arg4, arg5)   __ao2_callback_data((arg1), (arg2), (arg3), (arg4), (arg5))
#define ao2_find(arg1, arg2, arg3)   __ao2_find((arg1), (arg2), (arg3))
#define ao2_iterator_next(arg1)   __ao2_iterator_next((arg1))
#define ao2_lock(a)   __ao2_lock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)
#define ao2_t_callback_data(arg1, arg2, arg3, arg4, arg5, arg6)   __ao2_callback_data((arg1), (arg2), (arg3), (arg4), (arg5))
 ao2_callback_data() is a generic function that applies cb_fn() to all objects in a container. It is functionally identical to ao2_callback() except that instead of taking an ao2_callback_fn *, it takes an ao2_callback_data_fn *, and allows the caller to pass in arbitrary data.
#define ao2_t_find(arg1, arg2, arg3, arg4)   __ao2_find((arg1), (arg2), (arg3))
#define ao2_t_iterator_next(arg1, arg2)   __ao2_iterator_next((arg1))
#define ao2_trylock(a)   __ao2_trylock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)
#define ao2_unlock(a)   __ao2_unlock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)

Typedefs

typedef int( ao2_callback_data_fn )(void *obj, void *arg, void *data, int flags)
 Type of a generic callback function.
typedef int( ao2_callback_fn )(void *obj, void *arg, int flags)
 Type of a generic callback function.
typedef void(* ao2_destructor_fn )(void *)
 Typedef for an object destructor. This is called just before freeing the memory for the object. It is passed a pointer to the user-defined data of the object.
typedef int( ao2_hash_fn )(const void *obj, const int flags)

Enumerations

enum  _cb_results { CMP_MATCH = 0x1, CMP_STOP = 0x2 }
 

A callback function will return a combination of CMP_MATCH and CMP_STOP. The latter will terminate the search in a container.

More...
enum  ao2_iterator_flags { AO2_ITERATOR_DONTLOCK = (1 << 0), AO2_ITERATOR_MALLOCD = (1 << 1), AO2_ITERATOR_UNLINK = (1 << 2) }
enum  search_flags {
  OBJ_UNLINK = (1 << 0), OBJ_NODATA = (1 << 1), OBJ_MULTIPLE = (1 << 2), OBJ_POINTER = (1 << 3),
  OBJ_CONTINUE = (1 << 4)
}
 

Flags passed to ao2_callback() and ao2_hash_fn() to modify its behaviour.

More...

Functions

void * __ao2_callback_data (struct ao2_container *c, enum search_flags flags, ao2_callback_data_fn *cb_fn, void *arg, void *data)
void * __ao2_callback_data_debug (struct ao2_container *c, enum search_flags flags, ao2_callback_data_fn *cb_fn, void *arg, void *data, char *tag, char *file, int line, const char *funcname)
void * __ao2_find (struct ao2_container *c, void *arg, enum search_flags flags)
void * __ao2_find_debug (struct ao2_container *c, void *arg, enum search_flags flags, char *tag, char *file, int line, const char *funcname)
void * __ao2_iterator_next (struct ao2_iterator *a)
void * __ao2_iterator_next_debug (struct ao2_iterator *a, char *tag, char *file, int line, const char *funcname)
int __ao2_lock (void *a, const char *file, const char *func, int line, const char *var)
 Lock an object.
int __ao2_trylock (void *a, const char *file, const char *func, int line, const char *var)
 Try locking-- (don't block if fail).
int __ao2_unlock (void *a, const char *file, const char *func, int line, const char *var)
 Unlock an object.
void ao2_bt (void)
void ao2_iterator_destroy (struct ao2_iterator *i)
 Destroy a container iterator.
struct ao2_iterator ao2_iterator_init (struct ao2_container *c, int flags)
 Create an iterator for a container.
void * ao2_object_get_lockaddr (void *obj)
 Return the lock address of an object.

Variables

ao2_callback_fn ao2_match_by_addr
 a very common callback is one that matches by address.



#define ao2_alloc(data_size, destructor_fn)   __ao2_alloc_debug((data_size), (destructor_fn), "", __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
#define ao2_callback(c, flags, cb_fn, arg)   __ao2_callback((c), (flags), (cb_fn), (arg))
#define ao2_ref(o, delta)   __ao2_ref((o), (delta))
#define ao2_t_alloc(data_size, destructor_fn, debug_msg)   __ao2_alloc_debug((data_size), (destructor_fn), (debug_msg), __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
 Allocate and initialize an object.
#define ao2_t_callback(c, flags, cb_fn, arg, tag)   __ao2_callback((c), (flags), (cb_fn), (arg))
 ao2_callback() is a generic function that applies cb_fn() to all objects in a container, as described below.
#define ao2_t_ref(o, delta, tag)   __ao2_ref((o), (delta))
 Reference/unreference an object and return the old refcount.
void * __ao2_alloc (const size_t data_size, ao2_destructor_fn destructor_fn)
void * __ao2_alloc_debug (const size_t data_size, ao2_destructor_fn destructor_fn, char *tag, const char *file, int line, const char *funcname, int ref_debug)
void * __ao2_callback (struct ao2_container *c, enum search_flags flags, ao2_callback_fn *cb_fn, void *arg)
void * __ao2_callback_debug (struct ao2_container *c, enum search_flags flags, ao2_callback_fn *cb_fn, void *arg, char *tag, char *file, int line, const char *funcname)
int __ao2_ref (void *o, int delta)
int __ao2_ref_debug (void *o, int delta, const char *tag, const char *file, int line, const char *funcname)

Object Containers

Here start declarations of containers.



#define ao2_container_alloc(arg1, arg2, arg3)   __ao2_container_alloc_debug((arg1), (arg2), (arg3), "", __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
#define ao2_t_container_alloc(arg1, arg2, arg3, arg4)   __ao2_container_alloc_debug((arg1), (arg2), (arg3), (arg4), __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
 Allocate and initialize a container with the desired number of buckets.
struct ao2_container__ao2_container_alloc (const unsigned int n_buckets, ao2_hash_fn *hash_fn, ao2_callback_fn *cmp_fn)
struct ao2_container__ao2_container_alloc_debug (const unsigned int n_buckets, ao2_hash_fn *hash_fn, ao2_callback_fn *cmp_fn, char *tag, char *file, int line, const char *funcname, int ref_debug)
int ao2_container_count (struct ao2_container *c)
 Returns the number of elements in a container.

Object Management

Here we have functions to manage objects.

We can use the functions below on any kind of object defined by the user.



#define ao2_link(arg1, arg2)   __ao2_link((arg1), (arg2))
#define ao2_t_link(arg1, arg2, arg3)   __ao2_link((arg1), (arg2))
 Add an object to a container.
#define ao2_t_unlink(arg1, arg2, arg3)   __ao2_unlink((arg1), (arg2))
 Remove an object from a container.
#define ao2_unlink(arg1, arg2)   __ao2_unlink((arg1), (arg2))
void * __ao2_link (struct ao2_container *c, void *newobj)
void * __ao2_link_debug (struct ao2_container *c, void *new_obj, char *tag, char *file, int line, const char *funcname)
void * __ao2_unlink (struct ao2_container *c, void *obj)
void * __ao2_unlink_debug (struct ao2_container *c, void *obj, char *tag, char *file, int line, const char *funcname)

Detailed Description

Object Model implementing objects and containers.

Definition in file astobj2.h.


Define Documentation

#define ao2_alloc ( data_size,
destructor_fn   )     __ao2_alloc_debug((data_size), (destructor_fn), "", __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
#define ao2_callback ( c,
flags,
cb_fn,
arg   )     __ao2_callback((c), (flags), (cb_fn), (arg))
#define ao2_callback_data ( arg1,
arg2,
arg3,
arg4,
arg5   )     __ao2_callback_data((arg1), (arg2), (arg3), (arg4), (arg5))

Definition at line 932 of file astobj2.h.

Referenced by ast_channel_callback().

#define ao2_container_alloc ( arg1,
arg2,
arg3   )     __ao2_container_alloc_debug((arg1), (arg2), (arg3), "", __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)
#define ao2_find ( arg1,
arg2,
arg3   )     __ao2_find((arg1), (arg2), (arg3))

Definition at line 953 of file astobj2.h.

Referenced by __find_callno(), _lookup_timer(), add_calltoken_ignore(), admin_exec(), ast_add_hint(), ast_cel_check_retire_linkedid(), ast_cel_linkedid_ref(), ast_cel_report_event(), ast_change_hint(), ast_channel_get_full(), ast_event_get_cached(), ast_extension_state_add_destroy(), ast_extension_state_del(), ast_get_indication_zone(), ast_merge_contexts_and_delete(), ast_remove_hint(), ast_taskprocessor_get(), ast_unregister_indication_country(), authenticate_request(), authenticate_verify(), build_callno_limits(), build_peer(), build_user(), channel_iterator_search(), check_manager_session_inuse(), cli_alias_passthrough(), cli_fax_show_session(), compare_weight(), complete_indications(), data_filter_find(), data_provider_find(), data_result_find_child(), data_search_find(), dialgroup_read(), dialgroup_write(), find_calendar(), find_event(), find_hint_by_cb_id(), find_parkinglot(), find_peer(), find_profile(), find_pvt(), find_timer(), find_user(), get_esc_entry(), get_unused_callno(), handle_cli_iax2_unregister(), handle_cli_indication_show(), iax2_destroy_helper(), inprocess_count(), join_conference_bridge(), meetme_menu_admin(), meetmemute(), parse_tone_zone(), peercnt_add(), peercnt_modify(), peercnt_remove_by_addr(), phoneprov_callback(), realtime_common(), reload_single_member(), remove_from_queue(), sched_delay_remove(), set_fn(), sip_poke_peer_s(), timerfd_timer_ack(), timerfd_timer_close(), timerfd_timer_disable_continuous(), timerfd_timer_enable_continuous(), timerfd_timer_get_event(), timerfd_timer_set_rate(), update_queue(), and xml_translate().

#define ao2_iterator_next ( arg1   )     __ao2_iterator_next((arg1))

Definition at line 1115 of file astobj2.h.

Referenced by __ast_data_search_cmp_structure(), __ast_manager_event_multichan(), __data_result_print_cli(), __iax2_show_peers(), __queues_show(), action_meetmelist(), alias_show(), ast_channel_iterator_next(), ast_data_iterator_next(), ast_data_search_match(), ast_merge_contexts_and_delete(), ast_srtp_unprotect(), ast_var_indications(), ast_var_indications_table(), astman_verify_session_readpermissions(), astman_verify_session_writepermissions(), authenticate(), authenticate_reply(), build_dialplan_useage_map(), calendar_query_exec(), check_access(), clear_queue(), cli_console_active(), cli_fax_show_sessions(), cli_list_devices(), cli_tps_report(), complete_core_show_hint(), complete_country(), complete_iax2_peers(), complete_iax2_unregister(), complete_queue_remove_member(), complete_userno(), conf_queue_dtmf(), data_filter_find(), data_get_xml_add_child(), data_odbc_provider_handler(), data_provider_print_cli(), data_provider_release_all(), data_result_generate_node(), data_result_manager_output(), delete_profiles(), delete_routes(), delete_users(), destroy_pvts(), dialgroup_read(), do_parking_thread(), dump_queue_members(), extension_state_cb(), fax_session_tab_complete(), find_call(), find_queue_by_name_rt(), find_session(), find_session_by_nonce(), free_members(), get_member_status(), handle_cli_iax2_show_callno_limits(), handle_cli_iax2_show_users(), handle_cli_indication_show(), handle_cli_odbc_show(), handle_feature_show(), handle_parkedcalls(), handle_show_calendar(), handle_show_calendars(), handle_show_hint(), handle_show_hints(), handle_show_routes(), handle_showmanconn(), handle_statechange(), hints_data_provider_get(), iax2_getpeername(), iax2_getpeertrunk(), interface_exists(), local_devicestate(), locals_show(), manager_iax2_show_peer_list(), manager_optimize_away(), manager_parking_status(), manager_queues_status(), manager_queues_summary(), meetme_menu_admin_extended(), meetme_show_cmd(), moh_rescan_files(), num_available_members(), peers_data_provider_get(), poke_all_peers(), pp_each_user_helper(), prune_peers(), prune_users(), purge_sessions(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queues_data_provider_get(), queues_data_provider_get_helper(), reload(), rt_handle_member_record(), stop_streams(), tps_taskprocessor_tab_complete(), try_calling(), unload_module(), update_realtime_members(), and users_data_provider_get().

#define ao2_link ( arg1,
arg2   )     __ao2_link((arg1), (arg2))
#define ao2_lock (  )     __ao2_lock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)

Definition at line 477 of file astobj2.h.

Referenced by __ast_manager_event_multichan(), __queues_show(), _sip_show_peer(), _sip_show_peers(), _sip_tcp_helper_thread(), action_waitevent(), add_calltoken_ignore(), add_to_queue(), ast_add_hint(), ast_bridge_depart(), ast_bridge_destroy(), ast_bridge_dtmf_stream(), ast_bridge_merge(), ast_bridge_remove(), ast_bridge_suspend(), ast_bridge_unsuspend(), ast_change_hint(), ast_change_name(), ast_do_masquerade(), ast_extension_state_add_destroy(), ast_extension_state_del(), ast_get_indication_tone(), ast_get_indication_zone(), ast_hook_send_action(), ast_manager_unregister(), ast_merge_contexts_and_delete(), ast_register_indication_country(), ast_remove_hint(), ast_set_indication_country(), ast_taskprocessor_get(), ast_taskprocessor_unreference(), ast_unregister_indication_country(), astman_verify_session_readpermissions(), astman_verify_session_writepermissions(), attended_abort_transfer(), auth_http_callback(), awesome_locking(), bridge_channel_join(), bridge_channel_join_multithreaded(), bridge_channel_join_singlethreaded(), bridge_thread(), build_callno_limits(), build_parkinglot(), build_peer(), build_reply_digest(), calendar_destructor(), change_callid_pvt(), check_bridge(), clear_stats(), cli_fax_show_sessions(), compare_weight(), complete_core_show_hint(), complete_queue_remove_member(), complete_sip_user(), conf_run(), create_addr_from_peer(), event_update_cache(), extension_state_cb(), find_queue_by_name_rt(), find_session(), find_session_by_nonce(), generic_fax_exec(), generic_http_callback(), generic_thread_loop(), get_input(), get_member_penalty(), get_member_status(), get_unused_callno(), handle_cli_misdn_send_facility(), handle_request_subscribe(), handle_show_hint(), handle_show_hints(), handle_showmanconn(), handle_statechange(), inprocess_count(), internal_ao2_callback(), internal_ao2_iterator_next(), internal_ao2_link(), is_our_turn(), join_conference_bridge(), join_queue(), leave_conference_bridge(), leave_queue(), load_indications(), local_answer(), local_bridgedchannel(), local_call(), local_devicestate(), local_digit_begin(), local_digit_end(), local_fixup(), local_indicate(), local_queryoption(), local_queue_frame(), local_sendhtml(), local_sendtext(), local_setoption(), local_write(), locals_show(), manager_optimize_away(), manager_queues_status(), manager_queues_summary(), member_add_to_queue(), member_call_pending_clear(), member_call_pending_set(), member_remove_from_queue(), menu_callback(), moh_class_destructor(), moh_release(), mohalloc(), monmp3thread(), multiplexed_add_or_remove(), multiplexed_bridge_create(), multiplexed_bridge_destroy(), multiplexed_thread_function(), on_dns_update_peer(), peercnt_add(), peercnt_remove(), peers_data_provider_get(), play_prompt_to_channel(), post_join_unmarked(), process_events(), process_message(), pthread_timer_ack(), pthread_timer_disable_continuous(), pthread_timer_enable_continuous(), pthread_timer_get_event(), pthread_timer_open(), pthread_timer_set_rate(), purge_sessions(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queue_function_queuewaitingcount(), queue_function_var(), queues_data_provider_get(), recalc_holdtime(), record_abandoned(), register_verify(), reload_queues(), reload_single_member(), reload_single_queue(), remove_from_queue(), replace_callno(), ring_entry(), run_timer(), schedule_calendar_event(), session_do(), set_eventmask(), set_member_paused(), set_member_penalty(), set_queue_variables(), sip_poke_all_peers(), sip_prune_realtime(), sip_send_mwi_to_peer(), sip_show_inuse(), sip_show_user(), sip_show_users(), sip_tcptls_write(), smart_bridge_operation(), softmix_bridge_thread(), spandsp_fax_cli_show_session(), timerfd_timer_ack(), timerfd_timer_disable_continuous(), timerfd_timer_enable_continuous(), timerfd_timer_get_event(), timerfd_timer_set_rate(), try_calling(), update_call_counter(), update_peer_lastmsgssent(), update_queue(), and update_realtime_members().

#define ao2_ref ( o,
delta   )     __ao2_ref((o), (delta))

Definition at line 461 of file astobj2.h.

Referenced by __ast_data_add(), __ast_data_register(), __ast_data_search_cmp_structure(), __data_result_print_cli(), __find_callno(), __queues_show(), __sip_destroy(), __unload_module(), _ast_odbc_request_obj2(), _sip_tcp_helper_thread(), acf_faxopt_read(), acf_faxopt_write(), action_meetmelist(), add_calltoken_ignore(), add_cc_call_info_to_response(), add_event_to_list(), add_to_queue(), admin_exec(), alias_show(), announce_thread(), ao2_iterator_destroy(), ao2_iterator_init(), app_exec(), ast_add_hint(), ast_bridge_destroy(), ast_bridge_impart(), ast_bridge_join(), ast_bridge_merge(), ast_bridge_new(), ast_calendar_unref_event(), ast_cel_check_retire_linkedid(), ast_cel_engine_init(), ast_cel_engine_term(), ast_cel_linkedid_ref(), ast_cel_report_event(), ast_change_hint(), ast_closestream(), ast_config_text_file_save(), ast_data_free(), ast_data_iterator_end(), ast_data_iterator_next(), ast_data_search_match(), ast_event_get_cached(), ast_event_queue(), ast_extension_state_add_destroy(), ast_extension_state_del(), ast_merge_contexts_and_delete(), ast_moh_destroy(), ast_remove_hint(), ast_rtcp_write(), ast_rtp_instance_destroy(), ast_rtp_instance_make_compatible(), ast_rtp_instance_new(), ast_rtp_prop_set(), ast_rtp_raw_write(), ast_rtp_read(), ast_rtp_stop(), ast_taskprocessor_get(), ast_taskprocessor_unreference(), ast_tcptls_client_create(), ast_tcptls_client_start(), ast_tcptls_server_root(), ast_tone_zone_ref(), ast_tone_zone_sound_ref(), ast_tone_zone_sound_unref(), ast_tone_zone_unref(), bridge_channel_join(), bridge_channel_thread(), bridge_thread(), build_callno_limits(), build_conf(), build_dialplan_useage_map(), build_mansession(), caldav_destructor(), calendar_destructor(), calendar_devstate_change(), calendar_event_notify(), calendar_query_exec(), callattempt_free(), calltoken_required(), cb_events(), cc_handle_publish_error(), chan_list_destructor(), channel_admin_exec(), channels_shutdown(), clear_queue(), cli_alias_passthrough(), cli_fax_show_session(), cli_fax_show_sessions(), cli_tps_ping(), cli_tps_report(), compare_weight(), complete_core_show_hint(), complete_queue_remove_member(), complete_userno(), conf_free(), conf_queue_dtmf(), conf_run(), copy_parkinglot(), copy_socket_data(), create_callno_pools(), create_esc_entry(), data_filter_add_nodes(), data_filter_alloc(), data_filter_destructor(), data_filter_find(), data_filter_generate(), data_filter_release(), data_get_xml_add_child(), data_odbc_provider_handler(), data_provider_create(), data_provider_destructor(), data_provider_find(), data_provider_new(), data_provider_print_cli(), data_provider_release(), data_provider_release_all(), data_result_create(), data_result_destructor(), data_result_find_child(), data_result_generate(), data_result_generate_node(), data_result_get_node(), data_result_manager_output(), data_search_alloc(), data_search_cmp_bool(), data_search_cmp_char(), data_search_cmp_dbl(), data_search_cmp_int(), data_search_cmp_ipaddr(), data_search_cmp_ptr(), data_search_cmp_string(), data_search_cmp_uint(), data_search_create(), data_search_destructor(), data_search_find(), data_search_get_node(), data_search_release(), destroy_callback(), destroy_escs(), destroy_hint(), destroy_queue(), destroy_session(), dialgroup_read(), dialgroup_write(), dialog_ref_debug(), dialog_unref_debug(), do_notify(), do_parking_thread(), dump_queue_members(), end_bridge_callback(), end_bridge_callback_data_fixup(), event_notification_duplicate(), event_shutdown(), event_update_cache(), eventlist_destroy(), eventlist_destructor(), eventlist_duplicate(), ewscal_destructor(), exchangecal_destructor(), expire_register(), extension_state_cb(), fax_session_new(), fax_session_reserve(), fax_session_tab_complete(), features_shutdown(), find_details(), find_hint_by_cb_id(), find_or_create_details(), find_queue_by_name_rt(), free_members(), generic_fax_exec(), get_destination(), get_member_penalty(), get_member_status(), group_destroy(), gtalk_get_rtp_peer(), handle_cc_notify(), handle_cc_subscribe(), handle_cli_iax2_set_debug(), handle_cli_iax2_show_callno_limits(), handle_cli_odbc_show(), handle_event(), handle_feature_show(), handle_parkedcalls(), handle_response_subscribe(), handle_show_hint(), handle_show_hints(), handle_sip_publish_initial(), handle_sip_publish_modify(), handle_sip_publish_refresh(), handle_sip_publish_remove(), handle_statechange(), handle_tcptls_connection(), hints_data_provider_get(), httpd_helper_thread(), iax2_destroy(), icalendar_destructor(), indications_shutdown(), inprocess_count(), interface_exists(), internal_ao2_callback(), jingle_get_rtp_peer(), join_conference_bridge(), kqueue_timer_ack(), kqueue_timer_close(), kqueue_timer_disable_continuous(), kqueue_timer_enable_continuous(), kqueue_timer_get_event(), kqueue_timer_open(), kqueue_timer_set_rate(), leave_conference_bridge(), load_config(), load_module(), load_objects(), load_odbc_config(), local_answer(), local_call(), local_devicestate(), local_digit_begin(), local_digit_end(), local_hangup(), local_indicate(), local_request(), local_sendhtml(), local_sendtext(), local_setoption(), local_write(), locals_show(), manager_optimize_away(), manager_parking_status(), manager_queues_status(), manager_queues_summary(), manager_shutdown(), meetme_menu_admin(), meetme_menu_admin_extended(), meetme_show_cmd(), meetmemute(), mgcp_get_rtp_peer(), misdn_attempt_transfer(), moh_rescan_files(), multiplexed_add_or_remove(), multiplexed_bridge_create(), multiplexed_bridge_destroy(), multiplexed_thread_function(), new_iax(), num_available_members(), odbc_class_destructor(), odbc_obj_destructor(), odbc_release_obj2(), oh323_get_rtp_peer(), parkinglot_addref(), parkinglot_unref(), parse_apps(), parse_moved_contact(), pbx_shutdown(), peer_ref(), peer_unref(), peercnt_add(), peercnt_modify(), peercnt_remove_by_addr(), peercnt_remove_cb(), peers_data_provider_get(), proxy_from_config(), pthread_timer_ack(), pthread_timer_close(), pthread_timer_disable_continuous(), pthread_timer_enable_continuous(), pthread_timer_get_event(), pthread_timer_open(), pthread_timer_set_rate(), publish_expire(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queue_ref(), queue_unref(), queues_data_provider_get_helper(), realtime_common(), receivefax_exec(), ref_proxy(), ref_pvt(), reload(), reload_single_member(), remove_from_queue(), replace_callno(), rt_handle_member_record(), sched_delay_remove(), sendfax_exec(), session_details_new(), session_do(), set_fn(), set_member_paused(), set_member_penalty(), set_peercnt_limit(), set_socket_transport(), sip_cc_monitor_suspend(), sip_destroy_peer(), sip_get_rtp_peer(), sip_get_trtp_peer(), sip_get_vrtp_peer(), sip_handle_cc(), sip_monitor_instance_init(), sip_prepare_socket(), sip_tcp_locate(), skinny_get_rtp_peer(), skinny_get_vrtp_peer(), timerfd_timer_ack(), timerfd_timer_close(), timerfd_timer_disable_continuous(), timerfd_timer_enable_continuous(), timerfd_timer_get_event(), timerfd_timer_open(), timerfd_timer_set_rate(), tps_taskprocessor_tab_complete(), transmit_publish(), try_calling(), unistim_get_rtp_peer(), unload_module(), unref_caldav(), unref_calendar(), unref_ewscal(), unref_exchangecal(), unref_icalendar(), unref_instance_cond(), unref_mansession(), unref_profile(), unref_pvt(), unref_route(), unref_user(), update_queue(), update_realtime_members(), user_ref(), user_unref(), and xml_translate().

#define ao2_t_alloc ( data_size,
destructor_fn,
debug_msg   )     __ao2_alloc_debug((data_size), (destructor_fn), (debug_msg), __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)

Allocate and initialize an object.

Parameters:
data_size The sizeof() of the user-defined structure.
destructor_fn The destructor function (can be NULL)
debug_msg 
Returns:
A pointer to user-data.

Allocates a struct astobj2 with sufficient space for the user-defined structure.

Note:
  • storage is zeroed; XXX maybe we want a flag to enable/disable this.
  • the refcount of the object just created is 1
  • the returned pointer cannot be free()'d or realloc()'ed; rather, we just call ao2_ref(o, -1);

Definition at line 413 of file astobj2.h.

Referenced by __init_manager(), add_realm_authentication(), alloc_queue(), ast_srtp_policy_alloc(), build_peer(), cc_agent_init(), cc_core_init_instance(), cc_device_monitor_init(), cc_extension_monitor_init(), cc_interfaces_datastore_init(), create_epa_entry(), create_new_generic_list(), sip_alloc(), and temp_peer().

#define ao2_t_callback ( c,
flags,
cb_fn,
arg,
tag   )     __ao2_callback((c), (flags), (cb_fn), (arg))

ao2_callback() is a generic function that applies cb_fn() to all objects in a container, as described below.

Parameters:
c A pointer to the container to operate on.
flags A set of flags specifying the operation to perform, partially used by the container code, but also passed to the callback.

  • If OBJ_NODATA is set, ao2_callback will return NULL. No refcounts of any of the traversed objects will be incremented. On the converse, if it is NOT set (the default), The ref count of each object for which CMP_MATCH was set will be incremented, and you will have no way of knowing which those are, until the multiple-object-return functionality is implemented.
  • If OBJ_POINTER is set, the traversed items will be restricted to the objects in the bucket that the object key hashes to.
cb_fn A function pointer, that will be called on all objects, to see if they match. This function returns CMP_MATCH if the object is matches the criteria; CMP_STOP if the traversal should immediately stop, or both (via bitwise ORing), if you find a match and want to end the traversal, and 0 if the object is not a match, but the traversal should continue. This is the function that is applied to each object traversed. Its arguments are: (void *obj, void *arg, int flags), where: obj is an object arg is the same as arg passed into ao2_callback flags is the same as flags passed into ao2_callback (flags are also used by ao2_callback).
arg passed to the callback.
tag used for debuging.
Returns:
when OBJ_MULTIPLE is not included in the flags parameter, the return value will be either the object found or NULL if no no matching object was found. if OBJ_MULTIPLE is included, the return value will be a pointer to an ao2_iterator object, which must be destroyed with ao2_iterator_destroy() when the caller no longer needs it.

If the function returns any objects, their refcount is incremented, and the caller is in charge of decrementing them once done.

Typically, ao2_callback() is used for two purposes:

  • to perform some action (including removal from the container) on one or more objects; in this case, cb_fn() can modify the object itself, and to perform deletion should set CMP_MATCH on the matching objects, and have OBJ_UNLINK set in flags.
  • to look for a specific object in a container; in this case, cb_fn() should not modify the object, but just return a combination of CMP_MATCH and CMP_STOP on the desired object. Other usages are also possible, of course.

This function searches through a container and performs operations on objects according on flags passed. XXX describe better The comparison is done calling the compare function set implicitly. The p pointer can be a pointer to an object or to a key, we can say this looking at flags value. If p points to an object we will search for the object pointed by this value, otherwise we serch for a key value. If the key is not unique we only find the first matching valued.

The use of flags argument is the follow:

OBJ_UNLINK unlinks the object found OBJ_NODATA on match, do return an object Callbacks use OBJ_NODATA as a default functions such as find() do OBJ_MULTIPLE return multiple matches Default is no. OBJ_POINTER the pointer is an object pointer

Note:
When the returned object is no longer in use, ao2_ref() should be used to free the additional reference possibly created by this function.

Definition at line 898 of file astobj2.h.

Referenced by __init_manager(), ast_cc_agent_callback(), ast_cc_monitor_count(), ast_moh_destroy(), ast_srtp_destroy(), cc_cli_output_status(), do_monitor(), find_call(), get_mohbydigit(), handle_cc_kill(), load_config(), load_moh_classes(), manager_free_user(), reload_config(), session_destructor(), sip_show_channels(), sip_show_channelstats(), sip_show_objects(), unlink_peers_from_tables(), and unload_module().

#define ao2_t_callback_data ( arg1,
arg2,
arg3,
arg4,
arg5,
arg6   )     __ao2_callback_data((arg1), (arg2), (arg3), (arg4), (arg5))

ao2_callback_data() is a generic function that applies cb_fn() to all objects in a container. It is functionally identical to ao2_callback() except that instead of taking an ao2_callback_fn *, it takes an ao2_callback_data_fn *, and allows the caller to pass in arbitrary data.

This call would be used instead of ao2_callback() when the caller needs to pass OBJ_POINTER as part of the flags argument (which in turn requires passing in a prototype ao2 object for 'arg') and also needs access to other non-global data to complete it's comparison or task.

See the documentation for ao2_callback() for argument descriptions.

See also:
ao2_callback()

Definition at line 931 of file astobj2.h.

Referenced by cccancel_exec(), ccreq_exec(), count_agents(), find_peer(), kill_duplicate_offers(), and match_filter().

#define ao2_t_container_alloc ( arg1,
arg2,
arg3,
arg4   )     __ao2_container_alloc_debug((arg1), (arg2), (arg3), (arg4), __FILE__, __LINE__, __PRETTY_FUNCTION__, 0)

Allocate and initialize a container with the desired number of buckets.

We allocate space for a struct astobj_container, struct container and the buckets[] array.

Parameters:
arg1 Number of buckets for hash
arg2 Pointer to a function computing a hash value.
arg3 Pointer to a function comparating key-value with a string. (can be NULL)
arg4 
Returns:
A pointer to a struct container.
Note:
Destructor is set implicitly.

Definition at line 717 of file astobj2.h.

Referenced by ast_cc_init(), load_module(), and res_srtp_new().

#define ao2_t_find ( arg1,
arg2,
arg3,
arg4   )     __ao2_find((arg1), (arg2), (arg3))
#define ao2_t_iterator_next ( arg1,
arg2   )     __ao2_iterator_next((arg1))
#define ao2_t_link ( arg1,
arg2,
arg3   )     __ao2_link((arg1), (arg2))

Add an object to a container.

Parameters:
arg1 the container to operate on.
arg2 the object to be added.
arg3 used for debuging.
Return values:
NULL on errors.
newobj on success.

This function inserts an object in a container according its key.

Note:
Remember to set the key before calling this function.
This function automatically increases the reference count to account for the reference that the container now holds to the object.

Definition at line 773 of file astobj2.h.

Referenced by __init_manager(), _moh_register(), ast_srtp_add_stream(), ast_srtp_create(), authenticate(), cc_core_init_instance(), change_callid_pvt(), create_new_generic_list(), dialog_needdestroy(), parse_register_contact(), realtime_peer(), register_verify(), reload_config(), sip_alloc(), sip_prune_realtime(), and sip_threadinfo_create().

#define ao2_t_ref ( o,
delta,
tag   )     __ao2_ref((o), (delta))

Reference/unreference an object and return the old refcount.

Parameters:
o A pointer to the object
delta Value to add to the reference counter.
tag used for debugging
Returns:
The value of the reference counter before the operation.

Increase/decrease the reference counter according the value of delta.

If the refcount goes to zero, the object is destroyed.

Note:
The object must not be locked by the caller of this function, as it is invalid to try to unlock it after releasing the reference.
if we know the pointer to an object, it is because we have a reference count to it, so the only case when the object can go away is when we release our reference, and it is the last one in existence.

Definition at line 460 of file astobj2.h.

Referenced by __init_manager(), __sip_destroy(), _sip_show_peer(), _sip_tcp_helper_thread(), action_find(), ast_hook_send_action(), ast_manager_register2(), ast_manager_register_struct(), ast_manager_unregister(), ast_srtp_add_stream(), ast_srtp_change_source(), ast_srtp_destroy(), ast_srtp_policy_destroy(), ast_srtp_unprotect(), authenticate(), build_peer(), build_reply_digest(), cc_ref(), cc_shutdown(), cc_unref(), check_peer_ok(), create_addr_from_peer(), data_shutdown(), dialog_dump_func(), handle_request_do(), load_module(), local_attended_transfer(), manager_free_user(), peer_dump_func(), process_message(), ref_peer(), reload_config(), session_destructor(), sip_alloc(), sip_call(), sip_cc_monitor_cancel_available_timer(), sip_cc_monitor_request_cc(), sip_destroy_peer(), sip_monitor_instance_destructor(), sip_prepare_socket(), sip_reload(), sip_show_channel(), sip_show_history(), sip_show_settings(), sip_show_tcp(), sip_tcp_locate(), sip_tcptls_write(), sip_threadinfo_create(), sip_threadinfo_destructor(), temp_peer(), tps_shutdown(), unload_module(), and unref_peer().

#define ao2_t_unlink ( arg1,
arg2,
arg3   )     __ao2_unlink((arg1), (arg2))

Remove an object from a container.

Parameters:
arg1 the container
arg2 the object to unlink
arg3 tag for debugging
Return values:
NULL,always 
Note:
The object requested to be unlinked must be valid. However, if it turns out that it is not in the container, this function is still safe to be called.
If the object gets unlinked from the container, the container's reference to the object will be automatically released. (The refcount will be decremented).

Definition at line 805 of file astobj2.h.

Referenced by _sip_tcp_helper_thread(), ast_srtp_add_stream(), build_peer(), cc_complete(), cc_failed(), cc_generic_monitor_destructor(), dialog_unlink_all(), expire_register(), parse_register_contact(), sip_prepare_socket(), sip_prune_realtime(), and unlink_peer_from_tables().

#define ao2_trylock (  )     __ao2_trylock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)
#define ao2_unlink ( arg1,
arg2   )     __ao2_unlink((arg1), (arg2))
#define ao2_unlock (  )     __ao2_unlock(a, __FILE__, __PRETTY_FUNCTION__, __LINE__, #a)

Definition at line 486 of file astobj2.h.

Referenced by __ao2_iterator_next(), __ao2_iterator_next_debug(), __ao2_link(), __ao2_link_debug(), __ast_manager_event_multichan(), __queues_show(), _sip_show_peer(), _sip_show_peers(), _sip_tcp_helper_thread(), action_waitevent(), add_calltoken_ignore(), add_to_queue(), ast_add_hint(), ast_bridge_depart(), ast_bridge_destroy(), ast_bridge_dtmf_stream(), ast_bridge_merge(), ast_bridge_remove(), ast_bridge_suspend(), ast_bridge_unsuspend(), ast_change_hint(), ast_change_name(), ast_do_masquerade(), ast_extension_state_add_destroy(), ast_extension_state_del(), ast_get_indication_tone(), ast_get_indication_zone(), ast_hook_send_action(), ast_manager_unregister(), ast_merge_contexts_and_delete(), ast_register_indication_country(), ast_remove_hint(), ast_set_indication_country(), ast_taskprocessor_get(), ast_taskprocessor_unreference(), ast_unregister_indication_country(), astman_is_authed(), astman_verify_session_readpermissions(), astman_verify_session_writepermissions(), attended_abort_transfer(), auth_http_callback(), awesome_locking(), bridge_channel_join(), bridge_channel_join_multithreaded(), bridge_channel_join_singlethreaded(), bridge_thread(), build_callno_limits(), build_parkinglot(), build_peer(), build_reply_digest(), caldav_load_calendar(), calendar_destructor(), change_callid_pvt(), check_bridge(), clear_stats(), cli_fax_show_sessions(), compare_weight(), complete_core_show_hint(), complete_queue_remove_member(), complete_sip_user(), conf_run(), create_addr_from_peer(), event_update_cache(), ewscal_load_calendar(), exchangecal_load_calendar(), extension_state_cb(), find_queue_by_name_rt(), find_session(), find_session_by_nonce(), generic_fax_exec(), generic_http_callback(), generic_thread_loop(), get_input(), get_member_penalty(), get_member_status(), get_unused_callno(), handle_cli_misdn_send_facility(), handle_request_subscribe(), handle_show_hint(), handle_show_hints(), handle_showmanconn(), handle_statechange(), ical_load_calendar(), inprocess_count(), internal_ao2_callback(), is_our_turn(), join_conference_bridge(), join_queue(), leave_conference_bridge(), leave_queue(), load_indications(), local_answer(), local_bridgedchannel(), local_call(), local_devicestate(), local_digit_begin(), local_digit_end(), local_fixup(), local_hangup(), local_indicate(), local_queryoption(), local_queue_frame(), local_sendhtml(), local_sendtext(), local_setoption(), local_write(), locals_show(), manager_optimize_away(), manager_queues_status(), manager_queues_summary(), member_add_to_queue(), member_call_pending_clear(), member_call_pending_set(), member_remove_from_queue(), menu_callback(), moh_class_destructor(), moh_release(), mohalloc(), monmp3thread(), multiplexed_add_or_remove(), multiplexed_bridge_create(), multiplexed_bridge_destroy(), multiplexed_thread_function(), on_dns_update_peer(), peercnt_add(), peercnt_remove(), peers_data_provider_get(), play_prompt_to_channel(), post_join_unmarked(), process_events(), process_message(), pthread_timer_ack(), pthread_timer_disable_continuous(), pthread_timer_enable_continuous(), pthread_timer_get_event(), pthread_timer_open(), pthread_timer_set_rate(), purge_sessions(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queue_function_queuewaitingcount(), queue_function_var(), queues_data_provider_get(), recalc_holdtime(), record_abandoned(), register_verify(), reinvite_timeout(), reload_queues(), reload_single_member(), reload_single_queue(), remove_from_queue(), replace_callno(), ring_entry(), run_timer(), schedule_calendar_event(), session_do(), set_eventmask(), set_member_paused(), set_member_penalty(), set_queue_variables(), sip_poke_all_peers(), sip_prune_realtime(), sip_send_mwi_to_peer(), sip_show_inuse(), sip_show_user(), sip_show_users(), sip_tcptls_write(), smart_bridge_operation(), softmix_bridge_thread(), spandsp_fax_cli_show_session(), timerfd_timer_ack(), timerfd_timer_disable_continuous(), timerfd_timer_enable_continuous(), timerfd_timer_get_event(), timerfd_timer_set_rate(), try_calling(), update_call_counter(), update_peer_lastmsgssent(), update_queue(), and update_realtime_members().


Typedef Documentation

typedef int( ao2_callback_data_fn)(void *obj, void *arg, void *data, int flags)

Type of a generic callback function.

Parameters:
obj pointer to the (user-defined part) of an object.
arg callback argument from ao2_callback()
data arbitrary data from ao2_callback()
flags flags from ao2_callback()

The return values are a combination of enum _cb_results. Callback functions are used to search or manipulate objects in a container.

Definition at line 632 of file astobj2.h.

typedef int( ao2_callback_fn)(void *obj, void *arg, int flags)

Type of a generic callback function.

Parameters:
obj pointer to the (user-defined part) of an object.
arg callback argument from ao2_callback()
flags flags from ao2_callback()

The return values are a combination of enum _cb_results. Callback functions are used to search or manipulate objects in a container.

Definition at line 620 of file astobj2.h.

typedef void(* ao2_destructor_fn)(void *)

Typedef for an object destructor. This is called just before freeing the memory for the object. It is passed a pointer to the user-defined data of the object.

Definition at line 384 of file astobj2.h.

typedef int( ao2_hash_fn)(const void *obj, const int flags)

Type of a generic function to generate a hash value from an object. flags is ignored at the moment. Eventually, it will include the value of OBJ_POINTER passed to ao2_callback().

Definition at line 684 of file astobj2.h.


Enumeration Type Documentation

A callback function will return a combination of CMP_MATCH and CMP_STOP. The latter will terminate the search in a container.

Enumerator:
CMP_MATCH 

the object matches the request

CMP_STOP 

stop the search now

Definition at line 641 of file astobj2.h.

00641                  {
00642    CMP_MATCH   = 0x1,   /*!< the object matches the request */
00643    CMP_STOP = 0x2,   /*!< stop the search now */
00644 };

Flags that can be passed to ao2_iterator_init() to modify the behavior of the iterator.

Enumerator:
AO2_ITERATOR_DONTLOCK 

Prevents ao2_iterator_next() from locking the container while retrieving the next object from it.

AO2_ITERATOR_MALLOCD 

Indicates that the iterator was dynamically allocated by astobj2 API and should be freed by ao2_iterator_destroy().

AO2_ITERATOR_UNLINK 

Indicates that before the iterator returns an object from the container being iterated, the object should be unlinked from the container.

Definition at line 1060 of file astobj2.h.

01060                         {
01061    /*! Prevents ao2_iterator_next() from locking the container
01062     * while retrieving the next object from it.
01063     */
01064    AO2_ITERATOR_DONTLOCK = (1 << 0),
01065    /*! Indicates that the iterator was dynamically allocated by
01066     * astobj2 API and should be freed by ao2_iterator_destroy().
01067     */
01068    AO2_ITERATOR_MALLOCD = (1 << 1),
01069    /*! Indicates that before the iterator returns an object from
01070     * the container being iterated, the object should be unlinked
01071     * from the container.
01072     */
01073    AO2_ITERATOR_UNLINK = (1 << 2),
01074 };

Flags passed to ao2_callback() and ao2_hash_fn() to modify its behaviour.

Enumerator:
OBJ_UNLINK 

Unlink the object for which the callback function returned CMP_MATCH.

OBJ_NODATA 

On match, don't return the object hence do not increase its refcount.

OBJ_MULTIPLE 

Don't stop at the first match in ao2_callback() unless the result of of the callback function == (CMP_STOP | CMP_MATCH).

OBJ_POINTER 

obj is an object of the same type as the one being searched for, so use the object's hash function for optimized searching. The search function is unaffected (i.e. use the one passed as argument, or match_by_addr if none specified).

OBJ_CONTINUE 

Continue if a match is not found in the hashed out bucket.

This flag is to be used in combination with OBJ_POINTER. This tells the ao2_callback() core to keep searching through the rest of the buckets if a match is not found in the starting bucket defined by the hash value on the argument.

Definition at line 649 of file astobj2.h.

00649                   {
00650    /*! Unlink the object for which the callback function
00651     *  returned CMP_MATCH.
00652     */
00653    OBJ_UNLINK   = (1 << 0),
00654    /*! On match, don't return the object hence do not increase
00655     *  its refcount.
00656     */
00657    OBJ_NODATA   = (1 << 1),
00658    /*! Don't stop at the first match in ao2_callback() unless the result of
00659     *  of the callback function == (CMP_STOP | CMP_MATCH).
00660     */
00661    OBJ_MULTIPLE = (1 << 2),
00662    /*! obj is an object of the same type as the one being searched for,
00663     *  so use the object's hash function for optimized searching.
00664     *  The search function is unaffected (i.e. use the one passed as
00665     *  argument, or match_by_addr if none specified).
00666     */
00667    OBJ_POINTER  = (1 << 3),
00668    /*! 
00669     * \brief Continue if a match is not found in the hashed out bucket
00670     *
00671     * This flag is to be used in combination with OBJ_POINTER.  This tells
00672     * the ao2_callback() core to keep searching through the rest of the
00673     * buckets if a match is not found in the starting bucket defined by
00674     * the hash value on the argument.
00675     */
00676    OBJ_CONTINUE     = (1 << 4),
00677 };


Function Documentation

void* __ao2_alloc ( const size_t  data_size,
ao2_destructor_fn  destructor_fn 
)

Definition at line 349 of file astobj2.c.

References internal_ao2_alloc().

Referenced by __ao2_container_alloc().

00350 {
00351    return internal_ao2_alloc(data_size, destructor_fn, __FILE__, __LINE__, __FUNCTION__);
00352 }

void* __ao2_alloc_debug ( const size_t  data_size,
ao2_destructor_fn  destructor_fn,
char *  tag,
const char *  file,
int  line,
const char *  funcname,
int  ref_debug 
)

Definition at line 329 of file astobj2.c.

References internal_ao2_alloc(), and REF_FILE.

Referenced by __ao2_container_alloc_debug(), __ast_channel_alloc_ap(), __ast_dummy_channel_alloc(), and _moh_class_malloc().

00331 {
00332    /* allocation */
00333    void *obj;
00334    FILE *refo;
00335 
00336    if ((obj = internal_ao2_alloc(data_size, destructor_fn, file, line, funcname)) == NULL) {
00337       return NULL;
00338    }
00339 
00340    if (ref_debug && (refo = fopen(REF_FILE, "a"))) {
00341       fprintf(refo, "%p =1   %s:%d:%s (%s)\n", obj, file, line, funcname, tag);
00342       fclose(refo);
00343    }
00344 
00345    /* return a pointer to the user data */
00346    return obj;
00347 }

void* __ao2_callback ( struct ao2_container c,
enum search_flags  flags,
ao2_callback_fn cb_fn,
void *  arg 
)

Definition at line 777 of file astobj2.c.

References DEFAULT, and internal_ao2_callback().

Referenced by __ao2_find(), __ao2_unlink(), and container_destruct().

00779 {
00780    return internal_ao2_callback(c,flags, cb_fn, arg, NULL, DEFAULT, NULL, NULL, 0, NULL);
00781 }

void* __ao2_callback_data ( struct ao2_container c,
enum search_flags  flags,
ao2_callback_data_fn cb_fn,
void *  arg,
void *  data 
)

Definition at line 791 of file astobj2.c.

References internal_ao2_callback(), and WITH_DATA.

00793 {
00794    return internal_ao2_callback(c, flags, cb_fn, arg, data, WITH_DATA, NULL, NULL, 0, NULL);
00795 }

void* __ao2_callback_data_debug ( struct ao2_container c,
enum search_flags  flags,
ao2_callback_data_fn cb_fn,
void *  arg,
void *  data,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

Definition at line 783 of file astobj2.c.

References internal_ao2_callback(), and WITH_DATA.

00787 {
00788    return internal_ao2_callback(c, flags, cb_fn, arg, data, WITH_DATA, tag, file, line, funcname);
00789 }

void* __ao2_callback_debug ( struct ao2_container c,
enum search_flags  flags,
ao2_callback_fn cb_fn,
void *  arg,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

Definition at line 769 of file astobj2.c.

References DEFAULT, and internal_ao2_callback().

Referenced by __ao2_find_debug(), __ao2_unlink_debug(), and container_destruct_debug().

00773 {
00774    return internal_ao2_callback(c,flags, cb_fn, arg, NULL, DEFAULT, tag, file, line, funcname);
00775 }

struct ao2_container* __ao2_container_alloc ( const unsigned int  n_buckets,
ao2_hash_fn hash_fn,
ao2_callback_fn cmp_fn 
) [read]

Definition at line 449 of file astobj2.c.

References __ao2_alloc(), container_destruct(), and internal_ao2_container_alloc().

Referenced by internal_ao2_callback().

00451 {
00452    /* XXX maybe consistency check on arguments ? */
00453    /* compute the container size */
00454 
00455    const unsigned int num_buckets = hash_fn ? n_buckets : 1;
00456    size_t container_size = sizeof(struct ao2_container) + num_buckets * sizeof(struct bucket);
00457    struct ao2_container *c = __ao2_alloc(container_size, container_destruct);
00458 
00459    return internal_ao2_container_alloc(c, num_buckets, hash_fn, cmp_fn);
00460 }

struct ao2_container* __ao2_container_alloc_debug ( const unsigned int  n_buckets,
ao2_hash_fn hash_fn,
ao2_callback_fn cmp_fn,
char *  tag,
char *  file,
int  line,
const char *  funcname,
int  ref_debug 
) [read]

Definition at line 436 of file astobj2.c.

References __ao2_alloc_debug(), container_destruct_debug(), and internal_ao2_container_alloc().

00439 {
00440    /* XXX maybe consistency check on arguments ? */
00441    /* compute the container size */
00442    const unsigned int num_buckets = hash_fn ? n_buckets : 1;
00443    size_t container_size = sizeof(struct ao2_container) + num_buckets * sizeof(struct bucket);
00444    struct ao2_container *c = __ao2_alloc_debug(container_size, container_destruct_debug, tag, file, line, funcname, ref_debug);
00445 
00446    return internal_ao2_container_alloc(c, num_buckets, hash_fn, cmp_fn);
00447 }

void* __ao2_find ( struct ao2_container c,
void *  arg,
enum search_flags  flags 
)

Definition at line 805 of file astobj2.c.

References __ao2_callback(), and ao2_container::cmp_fn.

Referenced by _get_mohbyname().

00806 {
00807    return __ao2_callback(c, flags, c->cmp_fn, arg);
00808 }

void* __ao2_find_debug ( struct ao2_container c,
void *  arg,
enum search_flags  flags,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

the find function just invokes the default callback with some reasonable flags.

Definition at line 800 of file astobj2.c.

References __ao2_callback_debug(), and ao2_container::cmp_fn.

Referenced by _get_mohbyname().

00801 {
00802    return __ao2_callback_debug(c, flags, c->cmp_fn, arg, tag, file, line, funcname);
00803 }

void* __ao2_iterator_next ( struct ao2_iterator a  ) 

Definition at line 926 of file astobj2.c.

References __ao2_ref(), AO2_ITERATOR_DONTLOCK, ao2_unlock, ao2_iterator::c, ao2_iterator::flags, and internal_ao2_iterator_next().

00927 {
00928    struct bucket_entry *p = NULL;
00929    void *ret = NULL;
00930 
00931    ret = internal_ao2_iterator_next(a, &p);
00932    
00933    if (p) {
00934       /* inc refcount of returned object */
00935       __ao2_ref(ret, 1);
00936    }
00937 
00938    if (!(a->flags & AO2_ITERATOR_DONTLOCK))
00939       ao2_unlock(a->c);
00940 
00941    return ret;
00942 }

void* __ao2_iterator_next_debug ( struct ao2_iterator a,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

Definition at line 908 of file astobj2.c.

References __ao2_ref_debug(), AO2_ITERATOR_DONTLOCK, ao2_unlock, ao2_iterator::c, ao2_iterator::flags, and internal_ao2_iterator_next().

00909 {
00910    struct bucket_entry *p;
00911    void *ret = NULL;
00912 
00913    ret = internal_ao2_iterator_next(a, &p);
00914    
00915    if (p) {
00916       /* inc refcount of returned object */
00917       __ao2_ref_debug(ret, 1, tag, file, line, funcname);
00918    }
00919 
00920    if (!(a->flags & AO2_ITERATOR_DONTLOCK))
00921       ao2_unlock(a->c);
00922 
00923    return ret;
00924 }

void* __ao2_link ( struct ao2_container c,
void *  newobj 
)

Definition at line 526 of file astobj2.c.

References __ao2_ref(), ao2_unlock, and internal_ao2_link().

Referenced by internal_ao2_callback().

00527 {
00528    struct bucket_entry *p = internal_ao2_link(c, user_data, __FILE__, __LINE__, __PRETTY_FUNCTION__);
00529 
00530    if (p) {
00531       __ao2_ref(user_data, +1);
00532       ao2_unlock(c);
00533    }
00534    return p;
00535 }

void* __ao2_link_debug ( struct ao2_container c,
void *  new_obj,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

Definition at line 515 of file astobj2.c.

References __ao2_ref_debug(), ao2_unlock, and internal_ao2_link().

Referenced by internal_ao2_callback().

00516 {
00517    struct bucket_entry *p = internal_ao2_link(c, user_data, file, line, funcname);
00518 
00519    if (p) {
00520       __ao2_ref_debug(user_data, +1, tag, file, line, funcname);
00521       ao2_unlock(c);
00522    }
00523    return p;
00524 }

int __ao2_lock ( void *  a,
const char *  file,
const char *  func,
int  line,
const char *  var 
)

Lock an object.

Parameters:
a A pointer to the object we want to lock.
Returns:
0 on success, other values on error.

Definition at line 158 of file astobj2.c.

References __ast_pthread_mutex_lock(), ast_atomic_fetchadd_int(), INTERNAL_OBJ(), __priv_data::lock, and astobj2::priv_data.

00159 {
00160    struct astobj2 *p = INTERNAL_OBJ(user_data);
00161 
00162    if (p == NULL)
00163       return -1;
00164 
00165 #ifdef AO2_DEBUG
00166    ast_atomic_fetchadd_int(&ao2.total_locked, 1);
00167 #endif
00168 
00169    return __ast_pthread_mutex_lock(file, line, func, var, &p->priv_data.lock);
00170 }

int __ao2_ref ( void *  o,
int  delta 
)

Definition at line 242 of file astobj2.c.

References internal_ao2_ref().

Referenced by __ao2_iterator_next(), __ao2_link(), cd_cb(), and internal_ao2_callback().

00243 {
00244    return internal_ao2_ref(user_data, delta);
00245 }

int __ao2_ref_debug ( void *  o,
int  delta,
const char *  tag,
const char *  file,
int  line,
const char *  funcname 
)

Definition at line 217 of file astobj2.c.

References __priv_data::destructor_fn, internal_ao2_ref(), INTERNAL_OBJ(), astobj2::priv_data, __priv_data::ref_counter, and REF_FILE.

Referenced by __ao2_iterator_next_debug(), __ao2_link_debug(), cd_cb_debug(), dialog_ref_debug(), dialog_unref_debug(), and internal_ao2_callback().

00218 {
00219    struct astobj2 *obj = INTERNAL_OBJ(user_data);
00220    
00221    if (obj == NULL)
00222       return -1;
00223 
00224    if (delta != 0) {
00225       FILE *refo = fopen(REF_FILE, "a");
00226       if (refo) {
00227          fprintf(refo, "%p %s%d   %s:%d:%s (%s) [@%d]\n", user_data, (delta < 0 ? "" : "+"),
00228             delta, file, line, funcname, tag, obj ? obj->priv_data.ref_counter : -1);
00229          fclose(refo);
00230       }
00231    }
00232    if (obj->priv_data.ref_counter + delta == 0 && obj->priv_data.destructor_fn != NULL) { /* this isn't protected with lock; just for o/p */
00233       FILE *refo = fopen(REF_FILE, "a");
00234       if (refo) {
00235          fprintf(refo, "%p **call destructor** %s:%d:%s (%s)\n", user_data, file, line, funcname, tag);
00236          fclose(refo);
00237       }
00238    }
00239    return internal_ao2_ref(user_data, delta);
00240 }

int __ao2_trylock ( void *  a,
const char *  file,
const char *  func,
int  line,
const char *  var 
)

Try locking-- (don't block if fail).

Parameters:
a A pointer to the object we want to lock.
Returns:
0 on success, other values on error.

Definition at line 186 of file astobj2.c.

References __ast_pthread_mutex_trylock(), ast_atomic_fetchadd_int(), INTERNAL_OBJ(), __priv_data::lock, and astobj2::priv_data.

00187 {
00188    struct astobj2 *p = INTERNAL_OBJ(user_data);
00189    int ret;
00190    
00191    if (p == NULL)
00192       return -1;
00193    ret = __ast_pthread_mutex_trylock(file, line, func, var, &p->priv_data.lock);
00194 
00195 #ifdef AO2_DEBUG
00196    if (!ret)
00197       ast_atomic_fetchadd_int(&ao2.total_locked, 1);
00198 #endif
00199    return ret;
00200 }

void* __ao2_unlink ( struct ao2_container c,
void *  obj 
)

Definition at line 560 of file astobj2.c.

References __ao2_callback(), ao2_match_by_addr, INTERNAL_OBJ(), OBJ_NODATA, OBJ_POINTER, and OBJ_UNLINK.

00561 {
00562    if (INTERNAL_OBJ(user_data) == NULL)   /* safety check on the argument */
00563       return NULL;
00564 
00565    __ao2_callback(c, OBJ_UNLINK | OBJ_POINTER | OBJ_NODATA, ao2_match_by_addr, user_data);
00566 
00567    return NULL;
00568 }

void* __ao2_unlink_debug ( struct ao2_container c,
void *  obj,
char *  tag,
char *  file,
int  line,
const char *  funcname 
)

Definition at line 549 of file astobj2.c.

References __ao2_callback_debug(), ao2_match_by_addr, INTERNAL_OBJ(), OBJ_NODATA, OBJ_POINTER, and OBJ_UNLINK.

00551 {
00552    if (INTERNAL_OBJ(user_data) == NULL)   /* safety check on the argument */
00553       return NULL;
00554 
00555    __ao2_callback_debug(c, OBJ_UNLINK | OBJ_POINTER | OBJ_NODATA, ao2_match_by_addr, user_data, tag, file, line, funcname);
00556 
00557    return NULL;
00558 }

int __ao2_unlock ( void *  a,
const char *  file,
const char *  func,
int  line,
const char *  var 
)

Unlock an object.

Parameters:
a A pointer to the object we want unlock.
Returns:
0 on success, other values on error.

Definition at line 172 of file astobj2.c.

References __ast_pthread_mutex_unlock(), ast_atomic_fetchadd_int(), INTERNAL_OBJ(), __priv_data::lock, and astobj2::priv_data.

00173 {
00174    struct astobj2 *p = INTERNAL_OBJ(user_data);
00175 
00176    if (p == NULL)
00177       return -1;
00178 
00179 #ifdef AO2_DEBUG
00180    ast_atomic_fetchadd_int(&ao2.total_locked, -1);
00181 #endif
00182 
00183    return __ast_pthread_mutex_unlock(file, line, func, var, &p->priv_data.lock);
00184 }

void ao2_bt ( void   ) 

Definition at line 88 of file astobj2.c.

References ast_bt_get_symbols(), ast_verbose, free, and N1.

00089 {
00090    int c, i;
00091 #define N1  20
00092    void *addresses[N1];
00093    char **strings;
00094 
00095    c = backtrace(addresses, N1);
00096    strings = ast_bt_get_symbols(addresses,c);
00097    ast_verbose("backtrace returned: %d\n", c);
00098    for(i = 0; i < c; i++) {
00099       ast_verbose("%d: %p %s\n", i, addresses[i], strings[i]);
00100    }
00101    free(strings);
00102 }

int ao2_container_count ( struct ao2_container c  ) 
void ao2_iterator_destroy ( struct ao2_iterator i  ) 

Destroy a container iterator.

Parameters:
i the iterator to destroy
Return values:
none This function will release the container reference held by the iterator and any other resources it may be holding.

destroy an iterator

Definition at line 828 of file astobj2.c.

References AO2_ITERATOR_MALLOCD, ao2_ref, ast_free, ao2_iterator::c, and ao2_iterator::flags.

Referenced by __ast_data_search_cmp_structure(), __ast_manager_event_multichan(), __data_result_print_cli(), __iax2_show_peers(), __queues_show(), _sip_show_peers(), action_meetmelist(), alias_show(), ast_channel_iterator_destroy(), ast_data_iterator_end(), ast_data_search_match(), ast_merge_contexts_and_delete(), ast_srtp_unprotect(), ast_var_indications(), ast_var_indications_table(), astman_verify_session_readpermissions(), astman_verify_session_writepermissions(), authenticate(), authenticate_reply(), build_dialplan_useage_map(), calendar_query_exec(), check_access(), clear_queue(), clear_stats(), cli_console_active(), cli_fax_show_sessions(), cli_list_devices(), cli_tps_report(), compare_weight(), complete_core_id(), complete_core_show_hint(), complete_country(), complete_iax2_peers(), complete_iax2_unregister(), complete_queue(), complete_queue_remove_member(), complete_sip_peer(), complete_sip_registered_peer(), complete_sip_user(), complete_sipch(), complete_userno(), conf_queue_dtmf(), data_filter_find(), data_get_xml_add_child(), data_odbc_provider_handler(), data_provider_print_cli(), data_provider_release_all(), data_result_generate_node(), data_result_manager_output(), delete_profiles(), delete_routes(), delete_users(), destroy_pvts(), dialgroup_read(), do_parking_thread(), dump_queue_members(), extension_state_cb(), fax_session_tab_complete(), find_call(), find_queue_by_name_rt(), find_session(), find_session_by_nonce(), free_members(), get_member_status(), handle_cli_iax2_show_callno_limits(), handle_cli_iax2_show_users(), handle_cli_indication_show(), handle_cli_moh_show_classes(), handle_cli_moh_show_files(), handle_cli_odbc_show(), handle_feature_show(), handle_parkedcalls(), handle_show_calendar(), handle_show_calendars(), handle_show_hint(), handle_show_hints(), handle_show_routes(), handle_showmanconn(), handle_statechange(), hints_data_provider_get(), iax2_getpeername(), iax2_getpeertrunk(), interface_exists(), kill_duplicate_offers(), local_devicestate(), locals_show(), manager_iax2_show_peer_list(), manager_optimize_away(), manager_parking_status(), manager_queues_status(), manager_queues_summary(), meetme_menu_admin_extended(), meetme_show_cmd(), moh_rescan_files(), num_available_members(), peers_data_provider_get(), poke_all_peers(), pp_each_user_helper(), prune_peers(), prune_users(), purge_sessions(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queues_data_provider_get(), queues_data_provider_get_helper(), reload(), rt_handle_member_record(), set_member_paused(), set_member_penalty(), sip_poke_all_peers(), sip_prune_realtime(), sip_show_channel(), sip_show_history(), sip_show_inuse(), sip_show_tcp(), sip_show_users(), stop_streams(), tps_taskprocessor_tab_complete(), try_calling(), unload_module(), update_queue(), update_realtime_members(), and users_data_provider_get().

00829 {
00830    ao2_ref(i->c, -1);
00831    if (i->flags & AO2_ITERATOR_MALLOCD) {
00832       ast_free(i);
00833    } else {
00834       i->c = NULL;
00835    }
00836 }

struct ao2_iterator ao2_iterator_init ( struct ao2_container c,
int  flags 
) [read]

Create an iterator for a container.

Parameters:
c the container
flags one or more flags from ao2_iterator_flags
Return values:
the constructed iterator
Note:
This function does not take a pointer to an iterator; rather, it returns an iterator structure that should be assigned to (overwriting) an existing iterator structure allocated on the stack or on the heap.

This function will take a reference on the container being iterated.

initialize an iterator so we start from the first object

Definition at line 813 of file astobj2.c.

References ao2_ref, ao2_iterator::c, and ao2_iterator::flags.

Referenced by __ast_data_search_cmp_structure(), __ast_manager_event_multichan(), __data_result_print_cli(), __iax2_show_peers(), __queues_show(), action_meetmelist(), alias_show(), ast_channel_iterator_all_new(), ast_data_iterator_init(), ast_data_search_match(), ast_merge_contexts_and_delete(), ast_srtp_unprotect(), ast_tone_zone_iterator_init(), astman_verify_session_readpermissions(), astman_verify_session_writepermissions(), authenticate(), authenticate_reply(), build_dialplan_useage_map(), calendar_query_exec(), check_access(), clear_queue(), clear_stats(), cli_console_active(), cli_fax_show_sessions(), cli_list_devices(), cli_tps_report(), compare_weight(), complete_core_id(), complete_core_show_hint(), complete_country(), complete_iax2_peers(), complete_iax2_unregister(), complete_queue(), complete_queue_remove_member(), complete_sip_peer(), complete_sip_registered_peer(), complete_sip_user(), complete_sipch(), complete_userno(), conf_queue_dtmf(), data_filter_find(), data_get_xml_add_child(), data_odbc_provider_handler(), data_provider_print_cli(), data_provider_release_all(), data_result_generate_node(), data_result_manager_output(), delete_profiles(), delete_routes(), delete_users(), destroy_pvts(), dialgroup_read(), do_parking_thread(), dump_queue_members(), extension_state_cb(), fax_session_tab_complete(), find_queue_by_name_rt(), find_session(), find_session_by_nonce(), free_members(), get_member_status(), handle_cli_iax2_show_callno_limits(), handle_cli_iax2_show_users(), handle_cli_moh_show_classes(), handle_cli_moh_show_files(), handle_cli_odbc_show(), handle_feature_show(), handle_parkedcalls(), handle_show_calendar(), handle_show_calendars(), handle_show_hint(), handle_show_hints(), handle_show_routes(), handle_showmanconn(), handle_statechange(), hints_data_provider_get(), iax2_getpeername(), iax2_getpeertrunk(), interface_exists(), internal_ao2_callback(), local_devicestate(), locals_show(), manager_iax2_show_peer_list(), manager_optimize_away(), manager_parking_status(), manager_queues_status(), manager_queues_summary(), meetme_menu_admin_extended(), meetme_show_cmd(), moh_rescan_files(), num_available_members(), peers_data_provider_get(), poke_all_peers(), pp_each_user_helper(), prune_peers(), prune_users(), purge_sessions(), queue_function_qac(), queue_function_qac_dep(), queue_function_queuememberlist(), queues_data_provider_get(), queues_data_provider_get_helper(), reload(), rt_handle_member_record(), set_member_paused(), set_member_penalty(), sip_poke_all_peers(), sip_prune_realtime(), sip_show_channel(), sip_show_history(), sip_show_inuse(), sip_show_tcp(), sip_show_users(), stop_streams(), tps_taskprocessor_tab_complete(), try_calling(), unload_module(), update_queue(), update_realtime_members(), and users_data_provider_get().

00814 {
00815    struct ao2_iterator a = {
00816       .c = c,
00817       .flags = flags
00818    };
00819 
00820    ao2_ref(c, +1);
00821    
00822    return a;
00823 }

void* ao2_object_get_lockaddr ( void *  obj  ) 

Return the lock address of an object.

Parameters:
[in] obj A pointer to the object we want.
Returns:
the address of the lock, else NULL.

This function comes in handy mainly for debugging locking situations, where the locking trace code reports the lock address, this allows you to correlate against object address, to match objects to reported locks.

Since:
1.6.1

Definition at line 202 of file astobj2.c.

References INTERNAL_OBJ(), __priv_data::lock, and astobj2::priv_data.

00203 {
00204    struct astobj2 *p = INTERNAL_OBJ(obj);
00205    
00206    if (p == NULL)
00207       return NULL;
00208 
00209    return &p->priv_data.lock;
00210 }


Variable Documentation

ao2_callback_fn ao2_match_by_addr

a very common callback is one that matches by address.

Definition at line 635 of file astobj2.h.

Referenced by __ao2_unlink(), __ao2_unlink_debug(), load_module(), and load_odbc_config().


Generated on 20 Aug 2013 for Asterisk - The Open Source Telephony Project by  doxygen 1.6.1