Conditional logic dialplan functions. More...
#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
Go to the source code of this file.
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | acf_if (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | acf_import (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | exists (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | iftime (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | isnull (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | load_module (void) |
static int | set (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Logical dialplan functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_custom_function | exists_function |
static struct ast_custom_function | if_function |
static struct ast_custom_function | if_time_function |
static struct ast_custom_function | import_function |
static struct ast_custom_function | isnull_function |
static struct ast_custom_function | set_function |
Conditional logic dialplan functions.
Definition in file func_logic.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 306 of file func_logic.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 306 of file func_logic.c.
static int acf_if | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 166 of file func_logic.c.
References AST_APP_ARG, ast_copy_string(), AST_DECLARE_APP_ARGS, ast_log(), AST_NONSTANDARD_APP_ARGS, ast_strip(), ast_strlen_zero(), LOG_WARNING, pbx_checkcondition(), and S_OR.
{ AST_DECLARE_APP_ARGS(args1, AST_APP_ARG(expr); AST_APP_ARG(remainder); ); AST_DECLARE_APP_ARGS(args2, AST_APP_ARG(iftrue); AST_APP_ARG(iffalse); ); args2.iftrue = args2.iffalse = NULL; /* you have to set these, because if there is nothing after the '?', then args1.remainder will be NULL, not a pointer to a null string, and then any garbage in args2.iffalse will not be cleared, and you'll crash. -- and if you mod the ast_app_separate_args func instead, you'll really mess things up badly, because the rest of everything depends on null args for non-specified stuff. */ AST_NONSTANDARD_APP_ARGS(args1, data, '?'); AST_NONSTANDARD_APP_ARGS(args2, args1.remainder, ':'); if (ast_strlen_zero(args1.expr) || !(args2.iftrue || args2.iffalse)) { ast_log(LOG_WARNING, "Syntax IF(<expr>?[<true>][:<false>]) (expr must be non-null, and either <true> or <false> must be non-null)\n"); ast_log(LOG_WARNING, " In this case, <expr>='%s', <true>='%s', and <false>='%s'\n", args1.expr, args2.iftrue, args2.iffalse); return -1; } args1.expr = ast_strip(args1.expr); if (args2.iftrue) args2.iftrue = ast_strip(args2.iftrue); if (args2.iffalse) args2.iffalse = ast_strip(args2.iffalse); ast_copy_string(buf, pbx_checkcondition(args1.expr) ? (S_OR(args2.iftrue, "")) : (S_OR(args2.iffalse, "")), len); return 0; }
static int acf_import | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 226 of file func_logic.c.
References AST_APP_ARG, ast_channel_unlock, AST_DECLARE_APP_ARGS, ast_get_channel_by_name_locked(), AST_STANDARD_APP_ARGS, ast_strlen_zero(), pbx_substitute_variables_helper(), and s.
{ AST_DECLARE_APP_ARGS(args, AST_APP_ARG(channel); AST_APP_ARG(varname); ); AST_STANDARD_APP_ARGS(args, data); buf[0] = 0; if (!ast_strlen_zero(args.varname)) { struct ast_channel *chan2 = ast_get_channel_by_name_locked(args.channel); if (chan2) { char *s = alloca(strlen(args.varname) + 4); if (s) { sprintf(s, "${%s}", args.varname); pbx_substitute_variables_helper(chan2, s, buf, len); } ast_channel_unlock(chan2); } } return 0; }
static int exists | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 122 of file func_logic.c.
Referenced by socket_process().
static int iftime | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 130 of file func_logic.c.
References ast_build_timing(), ast_check_timing(), ast_copy_string(), ast_destroy_timing(), ast_log(), ast_strip_quoted(), ast_strlen_zero(), LOG_WARNING, S_OR, and strsep().
{ struct ast_timing timing; char *expr; char *iftrue; char *iffalse; data = ast_strip_quoted(data, "\"", "\""); expr = strsep(&data, "?"); iftrue = strsep(&data, ":"); iffalse = data; if (ast_strlen_zero(expr) || !(iftrue || iffalse)) { ast_log(LOG_WARNING, "Syntax IFTIME(<timespec>?[<true>][:<false>])\n"); return -1; } if (!ast_build_timing(&timing, expr)) { ast_log(LOG_WARNING, "Invalid Time Spec.\n"); ast_destroy_timing(&timing); return -1; } if (iftrue) iftrue = ast_strip_quoted(iftrue, "\"", "\""); if (iffalse) iffalse = ast_strip_quoted(iffalse, "\"", "\""); ast_copy_string(buf, ast_check_timing(&timing) ? S_OR(iftrue, "") : S_OR(iffalse, ""), len); ast_destroy_timing(&timing); return 0; }
static int isnull | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 114 of file func_logic.c.
{ strcpy(buf, data && *data ? "0" : "1"); return 0; }
static int load_module | ( | void | ) | [static] |
Definition at line 292 of file func_logic.c.
References ast_custom_function_register.
{ int res = 0; res |= ast_custom_function_register(&isnull_function); res |= ast_custom_function_register(&set_function); res |= ast_custom_function_register(&exists_function); res |= ast_custom_function_register(&if_function); res |= ast_custom_function_register(&if_time_function); res |= ast_custom_function_register(&import_function); return res; }
static int set | ( | struct ast_channel * | chan, |
const char * | cmd, | ||
char * | data, | ||
char * | buf, | ||
size_t | len | ||
) | [static] |
Definition at line 204 of file func_logic.c.
References ast_copy_string(), ast_log(), ast_strip(), ast_strlen_zero(), ast_channel::data, len(), LOG_WARNING, pbx_builtin_setvar_helper(), strsep(), and val.
{ char *varname; char *val; varname = strsep(&data, "="); val = data; if (ast_strlen_zero(varname) || !val) { ast_log(LOG_WARNING, "Syntax SET(<varname>=[<value>])\n"); return -1; } varname = ast_strip(varname); val = ast_strip(val); pbx_builtin_setvar_helper(chan, varname, val); ast_copy_string(buf, val, len); return 0; }
static int unload_module | ( | void | ) | [static] |
Definition at line 278 of file func_logic.c.
References ast_custom_function_unregister().
{ int res = 0; res |= ast_custom_function_unregister(&isnull_function); res |= ast_custom_function_unregister(&set_function); res |= ast_custom_function_unregister(&exists_function); res |= ast_custom_function_unregister(&if_function); res |= ast_custom_function_unregister(&if_time_function); res |= ast_custom_function_unregister(&import_function); return res; }
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Logical dialplan functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static] |
Definition at line 306 of file func_logic.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 306 of file func_logic.c.
struct ast_custom_function exists_function [static] |
{ .name = "EXISTS", .read = exists, }
Definition at line 258 of file func_logic.c.
struct ast_custom_function if_function [static] |
{ .name = "IF", .read = acf_if, }
Definition at line 263 of file func_logic.c.
struct ast_custom_function if_time_function [static] |
{ .name = "IFTIME", .read = iftime, }
Definition at line 268 of file func_logic.c.
struct ast_custom_function import_function [static] |
{ .name = "IMPORT", .read = acf_import, }
Definition at line 273 of file func_logic.c.
struct ast_custom_function isnull_function [static] |
{ .name = "ISNULL", .read = isnull, }
Definition at line 248 of file func_logic.c.
struct ast_custom_function set_function [static] |
{ .name = "SET", .read = set, }
Definition at line 253 of file func_logic.c.