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+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+#ifndef _ASTERISK_MANAGER_H
+#define _ASTERISK_MANAGER_H
+
+#include "asterisk/network.h"
+#include "asterisk/lock.h"
+
+/*!
+ \file
+ \brief 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.
+
+\verbatim
+
+ 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)
+
+\endverbatim
+
+ \note Please try to \b re-use \b existing \b 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
+
+- \ref manager.c Main manager code file
+ */
+
+#define AMI_VERSION "1.1"
+#define DEFAULT_MANAGER_PORT 5038 /* Default port for Asterisk management via TCP */
+
+/*! \name Manager event classes */
+/*@{ */
+#define EVENT_FLAG_SYSTEM (1 << 0) /* System events such as module load/unload */
+#define EVENT_FLAG_CALL (1 << 1) /* Call event, such as state change, etc */
+#define EVENT_FLAG_LOG (1 << 2) /* Log events */
+#define EVENT_FLAG_VERBOSE (1 << 3) /* Verbose messages */
+#define EVENT_FLAG_COMMAND (1 << 4) /* Ability to read/set commands */
+#define EVENT_FLAG_AGENT (1 << 5) /* Ability to read/set agent info */
+#define EVENT_FLAG_USER (1 << 6) /* Ability to read/set user info */
+#define EVENT_FLAG_CONFIG (1 << 7) /* Ability to modify configurations */
+#define EVENT_FLAG_DTMF (1 << 8) /* Ability to read DTMF events */
+#define EVENT_FLAG_REPORTING (1 << 9) /* Reporting events such as rtcp sent */
+#define EVENT_FLAG_CDR (1 << 10) /* CDR events */
+#define EVENT_FLAG_DIALPLAN (1 << 11) /* Dialplan events (VarSet, NewExten) */
+/*@} */
+
+/*! \brief Export manager structures */
+#define AST_MAX_MANHEADERS 128
+
+/*! \brief Manager Helper Function */
+typedef int (*manager_hook_t)(int, const char *, char *);
+
+
+struct manager_custom_hook {
+ /*! Identifier */
+ char *file;
+ /*! helper function */
+ manager_hook_t helper;
+ /*! Linked list information */
+ AST_RWLIST_ENTRY(manager_custom_hook) list;
+};
+
+/*! \brief Check if AMI is enabled */
+int check_manager_enabled(void);
+
+/*! \brief Check if AMI/HTTP is enabled */
+int check_webmanager_enabled(void);
+
+/*! Add a custom hook to be called when an event is fired
+ \param hook struct manager_custom_hook object to add
+*/
+void ast_manager_register_hook(struct manager_custom_hook *hook);
+
+/*! Delete a custom hook to be called when an event is fired
+ \param hook struct manager_custom_hook object to delete
+*/
+void ast_manager_unregister_hook(struct manager_custom_hook *hook);
+
+struct mansession;
+
+struct message {
+ unsigned int hdrcount;
+ const char *headers[AST_MAX_MANHEADERS];
+};
+
+struct manager_action {
+ /*! Name of the action */
+ const char *action;
+ /*! Short description of the action */
+ const char *synopsis;
+ /*! Detailed description of the action */
+ const char *description;
+ /*! Permission required for action. EVENT_FLAG_* */
+ int authority;
+ /*! Function to be called */
+ int (*func)(struct mansession *s, const struct message *m);
+ /*! For easy linking */
+ AST_RWLIST_ENTRY(manager_action) list;
+};
+
+/*! \brief External routines may register/unregister manager callbacks this way
+ * \note Use ast_manager_register2() to register with help text for new manager commands */
+#define ast_manager_register(a, b, c, d) ast_manager_register2(a, b, c, d, NULL)
+
+
+/*! \brief Register a manager command with the manager interface
+ \param action Name of the requested Action:
+ \param authority Required authority for this command
+ \param func Function to call for this command
+ \param synopsis Help text (one line, up to 30 chars) for CLI manager show commands
+ \param description Help text, several lines
+*/
+int ast_manager_register2(
+ const char *action,
+ int authority,
+ int (*func)(struct mansession *s, const struct message *m),
+ const char *synopsis,
+ const char *description);
+
+/*! \brief Unregister a registred manager command
+ \param action Name of registred Action:
+*/
+int ast_manager_unregister( char *action );
+
+/*!
+ * \brief Verify a session's read permissions against a permission mask.
+ * \param ident session identity
+ * \param perm permission mask to verify
+ * \retval 1 if the session has the permission mask capabilities
+ * \retval 0 otherwise
+ */
+int astman_verify_session_readpermissions(unsigned long ident, int perm);
+
+/*!
+ * \brief Verify a session's write permissions against a permission mask.
+ * \param ident session identity
+ * \param perm permission mask to verify
+ * \retval 1 if the session has the permission mask capabilities, otherwise 0
+ * \retval 0 otherwise
+ */
+int astman_verify_session_writepermissions(unsigned long ident, int perm);
+
+/*! \brief External routines may send asterisk manager events this way
+ * \param category Event category, matches manager authorization
+ \param event Event name
+ \param contents Contents of event
+*/
+
+/* XXX the parser in gcc 2.95 gets confused if you don't put a space
+ * between the last arg before VA_ARGS and the comma */
+#define manager_event(category, event, contents , ...) \
+ __manager_event(category, event, __FILE__, __LINE__, __PRETTY_FUNCTION__, contents , ## __VA_ARGS__)
+
+int __attribute__ ((format(printf, 6, 7))) __manager_event(int category, const char *event,
+ const char *file, int line, const char *func,
+ const char *contents, ...);
+
+/*! \brief Get header from mananger transaction */
+const char *astman_get_header(const struct message *m, char *var);
+
+/*! \brief Get a linked list of the Variable: headers */
+struct ast_variable *astman_get_variables(const struct message *m);
+
+/*! \brief Send error in manager transaction */
+void astman_send_error(struct mansession *s, const struct message *m, char *error);
+
+/*! \brief Send response in manager transaction */
+void astman_send_response(struct mansession *s, const struct message *m, char *resp, char *msg);
+
+/*! \brief Send ack in manager transaction */
+void astman_send_ack(struct mansession *s, const struct message *m, char *msg);
+
+/*! \brief Send ack in manager list transaction */
+void astman_send_listack(struct mansession *s, const struct message *m, char *msg, char *listflag);
+
+void __attribute__ ((format (printf, 2, 3))) astman_append(struct mansession *s, const char *fmt, ...);
+
+/*! \brief Called by Asterisk initialization */
+int init_manager(void);
+
+/*! \brief Called by Asterisk module functions and the CLI command */
+int reload_manager(void);
+
+#endif /* _ASTERISK_MANAGER_H */