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/*
* Asterisk -- An open source telephony toolkit.
*
* General Definitions for Asterisk top level program
*
* Copyright (C) 1999-2006, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
/*! \file
* \brief Asterisk main include file. File version handling, generic pbx functions.
*/
#ifndef _ASTERISK_H
#define _ASTERISK_H
#include "asterisk/autoconfig.h"
#include "asterisk/compat.h"
#include "asterisk/astmm.h"
/* Default to allowing the umask or filesystem ACLs to determine actual file
* creation permissions
*/
#ifndef AST_DIR_MODE
#define AST_DIR_MODE 0777
#endif
#ifndef AST_FILE_MODE
#define AST_FILE_MODE 0666
#endif
/* Make sure PATH_MAX is defined on platforms (HURD) that don't define it.
* Also be sure to handle the case of a path larger than PATH_MAX
* (err safely) in the code.
*/
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
#define DEFAULT_LANGUAGE "en"
#define DEFAULT_SAMPLE_RATE 8000
#define DEFAULT_SAMPLES_PER_MS ((DEFAULT_SAMPLE_RATE)/1000)
#define setpriority __PLEASE_USE_ast_set_priority_INSTEAD_OF_setpriority__
#define sched_setscheduler __PLEASE_USE_ast_set_priority_INSTEAD_OF_sched_setscheduler__
#if defined(DEBUG_FD_LEAKS) && !defined(STANDALONE) && !defined(STANDALONE2) && !defined(STANDALONE_AEL)
/* These includes are all about ordering */
#include <sys/stat.h>
#include <sys/socket.h>
#include <fcntl.h>
#define open(a,...) __ast_fdleak_open(__FILE__,__LINE__,__PRETTY_FUNCTION__, a, __VA_ARGS__)
#define pipe(a) __ast_fdleak_pipe(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define socketpair(a,b,c,d) __ast_fdleak_socketpair(a, b, c, d, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define socket(a,b,c) __ast_fdleak_socket(a, b, c, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define accept(a,b,c) __ast_fdleak_accept(a, b, c, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define close(a) __ast_fdleak_close(a)
#define fopen(a,b) __ast_fdleak_fopen(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define fclose(a) __ast_fdleak_fclose(a)
#define dup2(a,b) __ast_fdleak_dup2(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#define dup(a) __ast_fdleak_dup(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
int __ast_fdleak_open(const char *file, int line, const char *func, const char *path, int flags, ...);
int __ast_fdleak_pipe(int *fds, const char *file, int line, const char *func);
int __ast_fdleak_socketpair(int domain, int type, int protocol, int sv[2],
const char *file, int line, const char *func);
int __ast_fdleak_socket(int domain, int type, int protocol, const char *file, int line, const char *func);
int __ast_fdleak_accept(int socket, struct sockaddr *address, socklen_t *address_len,
const char *file, int line, const char *func);
#if defined(HAVE_EVENTFD)
#include <sys/eventfd.h>
#define eventfd(a,b) __ast_fdleak_eventfd(a,b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
int __ast_fdleak_eventfd(unsigned int initval, int flags, const char *file, int line, const char *func);
#endif
#if defined(HAVE_TIMERFD)
#include <sys/timerfd.h>
#define timerfd_create(a,b) __ast_fdleak_timerfd_create(a,b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
int __ast_fdleak_timerfd_create(int clockid, int flags, const char *file, int line, const char *func);
#endif
int __ast_fdleak_close(int fd);
FILE *__ast_fdleak_fopen(const char *path, const char *mode, const char *file, int line, const char *func);
int __ast_fdleak_fclose(FILE *ptr);
int __ast_fdleak_dup2(int oldfd, int newfd, const char *file, int line, const char *func);
int __ast_fdleak_dup(int oldfd, const char *file, int line, const char *func);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
int ast_set_priority(int); /*!< Provided by asterisk.c */
int ast_fd_init(void); /*!< Provided by astfd.c */
int ast_pbx_init(void); /*!< Provided by pbx.c */
/*!
* \brief Register a function to be executed before Asterisk exits.
* \param func The callback function to use.
*
* \retval 0 on success.
* \retval -1 on error.
*
* \note This function should be rarely used in situations where
* something must be shutdown to avoid corruption, excessive data
* loss, or when external programs must be stopped. All other
* cleanup in the core should use ast_register_cleanup.
*/
int ast_register_atexit(void (*func)(void));
/*!
* \since 11.9
* \brief Register a function to be executed before Asterisk gracefully exits.
*
* If Asterisk is immediately shutdown (core stop now, or sending the TERM
* signal), the callback is not run. When the callbacks are run, they are run in
* sequence with ast_register_atexit() callbacks, in the reverse order of
* registration.
*
* \param func The callback function to use.
*
* \retval 0 on success.
* \retval -1 on error.
*/
int ast_register_cleanup(void (*func)(void));
/*!
* \brief Unregister a function registered with ast_register_atexit().
* \param func The callback function to unregister.
*/
void ast_unregister_atexit(void (*func)(void));
/*!
* \brief Cancel an existing shutdown and return to normal operation.
*
* \note Shutdown can be cancelled while the server is waiting for
* any existing channels to be destroyed before shutdown becomes
* irreversible.
*
* \return non-zero if shutdown cancelled.
*/
int ast_cancel_shutdown(void);
/*!
* \details
* The server is preventing new channel creation in preparation for
* shutdown and may actively be releasing resources. The shutdown
* process may be canceled by ast_cancel_shutdown() if it is not too
* late.
*
* \note The preparation to shutdown phase can be quite lengthy
* if we are gracefully shutting down. How long existing calls will
* last is not up to us.
*
* \return non-zero if the server is preparing to or actively shutting down.
*/
int ast_shutting_down(void);
/*!
* \return non-zero if the server is actively shutting down.
* \since 13.3.0
*
* \details
* The server is releasing resources and unloading modules.
* It won't be long now.
*/
int ast_shutdown_final(void);
#ifdef MTX_PROFILE
#define HAVE_MTX_PROFILE /* used in lock.h */
#endif /* MTX_PROFILE */
/*!
* \brief support for event profiling
*
* (note, this must be documented a lot more)
* ast_add_profile allocates a generic 'counter' with a given name,
* which can be shown with the command 'core show profile <name>'
*
* The counter accumulates positive or negative values supplied by
* \see ast_add_profile(), dividing them by the 'scale' value passed in the
* create call, and also counts the number of 'events'.
* Values can also be taked by the TSC counter on ia32 architectures,
* in which case you can mark the start of an event calling ast_mark(id, 1)
* and then the end of the event with ast_mark(id, 0).
* For non-i386 architectures, these two calls return 0.
*/
int ast_add_profile(const char *, uint64_t scale);
int64_t ast_profile(int, int64_t);
int64_t ast_mark(int, int start1_stop0);
/*! \brief
* Definition of various structures that many asterisk files need,
* but only because they need to know that the type exists.
*
*/
struct ast_channel;
struct ast_frame;
struct ast_module;
struct ast_variable;
struct ast_str;
struct ast_sched_context;
struct ast_json;
/* Some handy macros for turning a preprocessor token into (effectively) a quoted string */
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
#if defined(AST_IN_CORE) \
|| (!defined(AST_MODULE_SELF_SYM) \
&& (defined(STANDALONE) || defined(STANDALONE2) || defined(AST_NOT_MODULE)))
#define AST_MODULE_SELF NULL
#elif defined(AST_MODULE_SELF_SYM)
/*! Retrieve the 'struct ast_module *' for the current module. */
#define AST_MODULE_SELF AST_MODULE_SELF_SYM()
struct ast_module;
/* Internal/forward declaration, AST_MODULE_SELF should be used instead. */
struct ast_module *AST_MODULE_SELF_SYM(void);
#else
#error "Externally compiled modules must declare AST_MODULE_SELF_SYM."
#endif
/*!
* \brief Retrieve the PBX UUID
* \param pbx_uuid A buffer of at least AST_UUID_STR_LEN (36 + 1) size to receive the UUID
* \param length The buffer length
*/
int ast_pbx_uuid_get(char *pbx_uuid, int length);
#endif /* _ASTERISK_H */
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