Thu Oct 11 06:49:20 2012

Asterisk developer's documentation

manager.h File Reference

The AMI - Asterisk Manager Interface - is a TCP protocol created to manage Asterisk with third-party software. More...

#include "asterisk/network.h"
#include "asterisk/lock.h"
#include "asterisk/datastore.h"

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Data Structures

struct  manager_action
struct  manager_custom_hook
struct  message

Defines

#define AMI_VERSION   "1.1"
#define ast_manager_register(a, b, c, d)   ast_manager_register2(a, b, c, d, NULL)
 External routines may register/unregister manager callbacks this way.
#define AST_MAX_MANHEADERS   128
 Export manager structures.
#define DEFAULT_MANAGER_PORT   5038
#define manager_event(category, event, contents,...)   __manager_event(category, event, __FILE__, __LINE__, __PRETTY_FUNCTION__, contents , ## __VA_ARGS__)
 External routines may send asterisk manager events this way.
Manager event classes


#define EVENT_FLAG_AGENT   (1 << 5)
#define EVENT_FLAG_AGI   (1 << 13)
#define EVENT_FLAG_CALL   (1 << 1)
#define EVENT_FLAG_CDR   (1 << 10)
#define EVENT_FLAG_COMMAND   (1 << 4)
#define EVENT_FLAG_CONFIG   (1 << 7)
#define EVENT_FLAG_DIALPLAN   (1 << 11)
#define EVENT_FLAG_DTMF   (1 << 8)
#define EVENT_FLAG_LOG   (1 << 2)
#define EVENT_FLAG_ORIGINATE   (1 << 12)
#define EVENT_FLAG_REPORTING   (1 << 9)
#define EVENT_FLAG_SYSTEM   (1 << 0)
#define EVENT_FLAG_USER   (1 << 6)
#define EVENT_FLAG_VERBOSE   (1 << 3)

Typedefs

typedef int(* manager_hook_t )(int, const char *, char *)
 Manager Helper Function.

Functions

int __manager_event (int category, const char *event, const char *file, int line, const char *func, const char *contents,...)
 manager_event: Send AMI event to client
int ast_manager_register2 (const char *action, int authority, int(*func)(struct mansession *s, const struct message *m), const char *synopsis, const char *description)
 Register a manager command with the manager interface.
void ast_manager_register_hook (struct manager_custom_hook *hook)
 Add a custom hook to be called when an event is fired.
int ast_manager_unregister (char *action)
 Unregister a registered manager command.
void ast_manager_unregister_hook (struct manager_custom_hook *hook)
 Delete a custom hook to be called when an event is fired.
void astman_append (struct mansession *s, const char *fmt,...)
int astman_datastore_add (struct mansession *s, struct ast_datastore *datastore)
 Add a datastore to a session.
struct ast_datastore * astman_datastore_find (struct mansession *s, const struct ast_datastore_info *info, const char *uid)
 Find a datastore on a session.
int astman_datastore_remove (struct mansession *s, struct ast_datastore *datastore)
 Remove a datastore from a session.
const char * astman_get_header (const struct message *m, char *var)
 Get header from mananger transaction.
struct ast_variable * astman_get_variables (const struct message *m)
 Get a linked list of the Variable: headers.
int astman_is_authed (uint32_t ident)
 Determinie if a manager session ident is authenticated.
void astman_send_ack (struct mansession *s, const struct message *m, char *msg)
 Send ack in manager transaction.
void astman_send_error (struct mansession *s, const struct message *m, char *error)
 Send error in manager transaction.
void astman_send_listack (struct mansession *s, const struct message *m, char *msg, char *listflag)
 Send ack in manager list transaction.
void astman_send_response (struct mansession *s, const struct message *m, char *resp, char *msg)
 Send response in manager transaction.
int astman_verify_session_readpermissions (uint32_t ident, int perm)
 Verify a session's read permissions against a permission mask.
int astman_verify_session_writepermissions (uint32_t ident, int perm)
 Verify a session's write permissions against a permission mask.
int check_manager_enabled (void)
 Check if AMI is enabled.
int check_webmanager_enabled (void)
 Check if AMI/HTTP is enabled.
int init_manager (void)
 Called by Asterisk initialization.
int reload_manager (void)
 Called by Asterisk module functions and the CLI command.

Detailed Description

The AMI - Asterisk Manager Interface - is a TCP protocol created to manage Asterisk with third-party software.

Manager protocol packages are text fields of the form a: b. There is always exactly one space after the colon.


 For Actions replies, the first line of the reply is a "Response:" header with
 values "success", "error" or "follows". "Follows" implies that the
 response is coming as separate events with the same ActionID. If the
 Action request has no ActionID, it will be hard matching events
 to the Action request in the manager client.

 The first header type is the "Event" header.  Other headers vary from
 event to event.  Headers end with standard \\r\\n termination.
 The last line of the manager response or event is an empty line.
 (\\r\\n)

Note:
Please try to re-use existing headers to simplify manager message parsing in clients. Don't re-use an existing header with a new meaning, please. You can find a reference of standard headers in doc/manager.txt

Definition in file manager.h.

Define Documentation

#define AMI_VERSION   "1.1"

Definition at line 56 of file manager.h.

Referenced by action_coresettings(), and session_do().

#define ast_manager_register ( a,
b,
c,
d   )     ast_manager_register2(a, b, c, d, NULL)

External routines may register/unregister manager callbacks this way.

Note:
Use ast_manager_register2() to register with help text for new manager commands

Definition at line 133 of file manager.h.

Referenced by ast_features_init(), astdb_init(), and load_module().

#define AST_MAX_MANHEADERS   128

Export manager structures.

Definition at line 78 of file manager.h.

Referenced by do_message(), and generic_http_callback().

#define DEFAULT_MANAGER_PORT   5038

Definition at line 57 of file manager.h.

Referenced by __init_manager().

#define EVENT_FLAG_AGENT   (1 << 5)

Definition at line 66 of file manager.h.

Referenced by add_to_queue(), agent_logoff_maintenance(), load_module(), login_exec(), record_abandoned(), remove_from_queue(), ring_entry(), rna(), send_agent_complete(), set_member_paused(), set_member_penalty(), try_calling(), and update_status().

#define EVENT_FLAG_AGI   (1 << 13)

Definition at line 74 of file manager.h.

Referenced by agi_handle_command(), launch_asyncagi(), and load_module().

#define EVENT_FLAG_CALL   (1 << 1)

Definition at line 62 of file manager.h.

Referenced by __ast_channel_alloc_ap(), __init_manager(), ast_cdr_setaccount(), ast_change_name(), ast_channel_bridge(), ast_do_masquerade(), ast_features_init(), ast_hangup(), ast_monitor_start(), ast_monitor_stop(), ast_setstate(), bridge_exec(), change_hold_state(), channel_spy(), conf_free(), conf_run(), fast_originate(), handle_request_refer(), join_queue(), leave_queue(), load_module(), local_ast_moh_start(), local_ast_moh_stop(), local_attended_transfer(), manager_bridge_event(), manager_state_cb(), notify_new_message(), park_call_full(), park_exec_full(), phase_e_handler(), post_manager_event(), report_new_callerid(), send_talking_event(), senddialendevent(), senddialevent(), socket_process(), and vm_execmain().

#define EVENT_FLAG_CDR   (1 << 10)

Definition at line 71 of file manager.h.

Referenced by manager_log().

#define EVENT_FLAG_COMMAND   (1 << 4)

Definition at line 65 of file manager.h.

Referenced by __init_manager().

#define EVENT_FLAG_CONFIG   (1 << 7)

Definition at line 68 of file manager.h.

Referenced by __init_manager(), http_post_callback(), and load_pbx().

#define EVENT_FLAG_DIALPLAN   (1 << 11)

Definition at line 72 of file manager.h.

Referenced by frame_set_var(), pbx_builtin_setvar_helper(), pbx_extension_helper(), realtime_exec(), and shared_write().

#define EVENT_FLAG_DTMF   (1 << 8)

Definition at line 69 of file manager.h.

Referenced by send_dtmf_event().

#define EVENT_FLAG_LOG   (1 << 2)

Definition at line 63 of file manager.h.

#define EVENT_FLAG_ORIGINATE   (1 << 12)

Definition at line 73 of file manager.h.

Referenced by __init_manager().

#define EVENT_FLAG_REPORTING   (1 << 9)

Definition at line 70 of file manager.h.

Referenced by __init_manager(), ast_rtcp_read(), ast_rtcp_write_sr(), ast_rtp_destroy(), astdb_init(), load_module(), load_pbx(), and log_jitterstats().

#define EVENT_FLAG_SYSTEM   (1 << 0)

Definition at line 61 of file manager.h.

Referenced by __expire_registry(), __iax2_poke_noanswer(), __init_manager(), action_login(), action_originate(), astdb_init(), check_user_can_execute_function(), dahdi_dnd(), dahdi_handle_event(), do_reload(), expire_register(), gtalk_answer(), gtalk_new(), handle_alarms(), handle_init_event(), handle_response_invite(), handle_response_peerpoke(), handle_response_register(), iax2_ack_registry(), iax2_ami_channelupdate(), load_module(), load_modules(), logger_print_normal(), main(), mwi_thread(), parse_register_contact(), private_enum_init(), quit_handler(), register_verify(), reload_config(), reload_logger(), sip_new(), sip_poke_noanswer(), sip_reg_timeout(), sip_request_call(), socket_process(), and update_registry().

#define EVENT_FLAG_USER   (1 << 6)

Definition at line 67 of file manager.h.

Referenced by __init_manager(), action_userevent(), aji_log_hook(), and userevent_exec().

#define EVENT_FLAG_VERBOSE   (1 << 3)

Definition at line 64 of file manager.h.

#define manager_event ( category,
event,
contents,
...   )     __manager_event(category, event, __FILE__, __LINE__, __PRETTY_FUNCTION__, contents , ## __VA_ARGS__)

External routines may send asterisk manager events this way.

Parameters:
category Event category, matches manager authorization
event Event name
contents Contents of event

Definition at line 181 of file manager.h.

Referenced by __ast_channel_alloc_ap(), __expire_registry(), __iax2_poke_noanswer(), __init_manager(), action_userevent(), add_to_queue(), agent_logoff_maintenance(), agi_handle_command(), aji_log_hook(), ast_cdr_setaccount(), ast_change_name(), ast_channel_bridge(), ast_do_masquerade(), ast_hangup(), ast_monitor_start(), ast_monitor_stop(), ast_rtcp_read(), ast_rtcp_write_sr(), ast_rtp_destroy(), ast_setstate(), bridge_exec(), change_hold_state(), channel_spy(), conf_free(), conf_run(), dahdi_dnd(), dahdi_handle_event(), do_reload(), expire_register(), fast_originate(), frame_set_var(), gtalk_answer(), gtalk_new(), handle_alarms(), handle_init_event(), handle_request_refer(), handle_response_invite(), handle_response_peerpoke(), handle_response_register(), iax2_ack_registry(), iax2_ami_channelupdate(), join_queue(), launch_asyncagi(), leave_queue(), load_modules(), local_ast_moh_start(), local_ast_moh_stop(), local_attended_transfer(), log_jitterstats(), logger_print_normal(), login_exec(), main(), manager_bridge_event(), manager_log(), manager_state_cb(), mwi_thread(), notify_new_message(), park_call_full(), park_exec_full(), parse_register_contact(), pbx_builtin_setvar_helper(), pbx_extension_helper(), phase_e_handler(), post_manager_event(), private_enum_init(), quit_handler(), realtime_exec(), record_abandoned(), register_verify(), reload_config(), reload_logger(), remove_from_queue(), report_new_callerid(), ring_entry(), rna(), send_agent_complete(), send_dtmf_event(), send_talking_event(), senddialendevent(), senddialevent(), set_member_paused(), set_member_penalty(), shared_write(), sip_new(), sip_poke_noanswer(), sip_reg_timeout(), sip_request_call(), socket_process(), try_calling(), update_registry(), update_status(), userevent_exec(), and vm_execmain().

Typedef Documentation

typedef int(* manager_hook_t)(int, const char *, char *)

Manager Helper Function.

Definition at line 81 of file manager.h.

Function Documentation

int astman_datastore_add ( struct mansession *  s,
struct ast_datastore *  datastore 
)

Add a datastore to a session.

Return values:
0 success
non-zero failure
Since:
1.6.1

Definition at line 4578 of file manager.c.

References AST_LIST_INSERT_HEAD, mansession_session::datastores, and mansession::session.

04579 {
04580    AST_LIST_INSERT_HEAD(&s->session->datastores, datastore, entry);
04581 
04582    return 0;
04583 }

struct ast_datastore* astman_datastore_find ( struct mansession *  s,
const struct ast_datastore_info *  info,
const char *  uid 
) [read]

Find a datastore on a session.

Return values:
pointer to the datastore if found
NULL if not found
Since:
1.6.1

Definition at line 4590 of file manager.c.

References AST_LIST_TRAVERSE_SAFE_BEGIN, AST_LIST_TRAVERSE_SAFE_END, mansession_session::datastores, ast_datastore::info, mansession::session, and ast_datastore::uid.

04591 {
04592    struct ast_datastore *datastore = NULL;
04593    
04594    if (info == NULL)
04595       return NULL;
04596 
04597    AST_LIST_TRAVERSE_SAFE_BEGIN(&s->session->datastores, datastore, entry) {
04598       if (datastore->info != info) {
04599          continue;
04600       }
04601 
04602       if (uid == NULL) {
04603          /* matched by type only */
04604          break;
04605       }
04606 
04607       if ((datastore->uid != NULL) && !strcasecmp(uid, datastore->uid)) {
04608          /* Matched by type AND uid */
04609          break;
04610       }
04611    }
04612    AST_LIST_TRAVERSE_SAFE_END;
04613 
04614    return datastore;
04615 }

int astman_datastore_remove ( struct mansession *  s,
struct ast_datastore *  datastore 
)

Remove a datastore from a session.

Return values:
0 success
non-zero failure
Since:
1.6.1

Definition at line 4585 of file manager.c.

References AST_LIST_REMOVE, mansession_session::datastores, and mansession::session.

04586 {
04587    return AST_LIST_REMOVE(&s->session->datastores, datastore, entry) ? 0 : -1;
04588 }

int astman_is_authed ( uint32_t  ident  ) 

Determinie if a manager session ident is authenticated.

Definition at line 3682 of file manager.c.

References mansession_session::__lock, ast_mutex_unlock(), mansession_session::authenticated, and find_session().

Referenced by handle_uri(), and static_callback().

03683 {
03684    int authed;
03685    struct mansession_session *session;
03686 
03687    if (!(session = find_session(ident, 0)))
03688       return 0;
03689 
03690    authed = (session->authenticated != 0);
03691 
03692    ast_mutex_unlock(&session->__lock);
03693 
03694    return authed;
03695 }

int astman_verify_session_readpermissions ( uint32_t  ident,
int  perm 
)

Verify a session's read permissions against a permission mask.

Parameters:
ident session identity
perm permission mask to verify
Return values:
1 if the session has the permission mask capabilities
0 otherwise

Definition at line 3697 of file manager.c.

References mansession_session::__lock, AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_mutex_lock(), ast_mutex_unlock(), mansession_session::managerid, and mansession_session::readperm.

03698 {
03699    int result = 0;
03700    struct mansession_session *session;
03701 
03702    AST_LIST_LOCK(&sessions);
03703    AST_LIST_TRAVERSE(&sessions, session, list) {
03704       ast_mutex_lock(&session->__lock);
03705       if ((session->managerid == ident) && (session->readperm & perm)) {
03706          result = 1;
03707          ast_mutex_unlock(&session->__lock);
03708          break;
03709       }
03710       ast_mutex_unlock(&session->__lock);
03711    }
03712    AST_LIST_UNLOCK(&sessions);
03713    return result;
03714 }

int astman_verify_session_writepermissions ( uint32_t  ident,
int  perm 
)

Verify a session's write permissions against a permission mask.

Parameters:
ident session identity
perm permission mask to verify
Return values:
1 if the session has the permission mask capabilities, otherwise 0
0 otherwise

Definition at line 3716 of file manager.c.

References mansession_session::__lock, AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_mutex_lock(), ast_mutex_unlock(), mansession_session::managerid, and mansession_session::writeperm.

Referenced by http_post_callback().

03717 {
03718    int result = 0;
03719    struct mansession_session *session;
03720 
03721    AST_LIST_LOCK(&sessions);
03722    AST_LIST_TRAVERSE(&sessions, session, list) {
03723       ast_mutex_lock(&session->__lock);
03724       if ((session->managerid == ident) && (session->writeperm & perm)) {
03725          result = 1;
03726          ast_mutex_unlock(&session->__lock);
03727          break;
03728       }
03729       ast_mutex_unlock(&session->__lock);
03730    }
03731    AST_LIST_UNLOCK(&sessions);
03732    return result;
03733 }

int init_manager ( void   ) 

Called by Asterisk initialization.

Definition at line 4568 of file manager.c.

References __init_manager().

Referenced by main().

04569 {
04570    return __init_manager(0);
04571 }

int reload_manager ( void   ) 

Called by Asterisk module functions and the CLI command.

Definition at line 4573 of file manager.c.

References __init_manager().

Referenced by handle_manager_reload().

04574 {
04575    return __init_manager(1);
04576 }

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