Wed Apr 6 11:30:07 2011

Asterisk developer's documentation


pbx_loopback.c File Reference

Loopback PBX Module. More...

#include "asterisk.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/frame.h"
#include "asterisk/cli.h"
#include "asterisk/lock.h"
#include "asterisk/md5.h"
#include "asterisk/linkedlists.h"
#include "asterisk/chanvars.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/utils.h"
#include "asterisk/astdb.h"

Go to the source code of this file.

Defines

#define LOOPBACK_COMMON

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int load_module (void)
static int loopback_canmatch (struct ast_channel *chan, const char *context, const char *exten, int priority, const char *callerid, const char *data)
static int loopback_exec (struct ast_channel *chan, const char *context, const char *exten, int priority, const char *callerid, const char *data)
static int loopback_exists (struct ast_channel *chan, const char *context, const char *exten, int priority, const char *callerid, const char *data)
static int loopback_matchmore (struct ast_channel *chan, const char *context, const char *exten, int priority, const char *callerid, const char *data)
static void loopback_parse (char **newexten, char **newcontext, int *priority, char **newpattern, char *buf)
static char * loopback_subst (char *buf, int buflen, const char *exten, const char *context, int priority, const char *data)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Loopback Switch" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, }
static struct ast_module_infoast_module_info = &__mod_info
static struct ast_switch loopback_switch


Detailed Description

Loopback PBX Module.

Definition in file pbx_loopback.c.


Define Documentation

#define LOOPBACK_COMMON

Definition at line 71 of file pbx_loopback.c.

Referenced by loopback_canmatch(), loopback_exec(), loopback_exists(), and loopback_matchmore().


Function Documentation

static void __reg_module ( void   )  [static]

Definition at line 183 of file pbx_loopback.c.

static void __unreg_module ( void   )  [static]

Definition at line 183 of file pbx_loopback.c.

static int load_module ( void   )  [static]

Definition at line 176 of file pbx_loopback.c.

References AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_register_switch(), and loopback_switch.

00177 {
00178    if (ast_register_switch(&loopback_switch))
00179       return AST_MODULE_LOAD_FAILURE;
00180    return AST_MODULE_LOAD_SUCCESS;
00181 }

static int loopback_canmatch ( struct ast_channel chan,
const char *  context,
const char *  exten,
int  priority,
const char *  callerid,
const char *  data 
) [static]

Definition at line 134 of file pbx_loopback.c.

References ast_canmatch_extension(), ast_extension_match(), and LOOPBACK_COMMON.

00135 {
00136    LOOPBACK_COMMON;
00137    res = ast_canmatch_extension(chan, newcontext, newexten, newpriority, callerid);
00138    if (newpattern && !ast_extension_match(newpattern, exten))
00139       res = 0;
00140    return res;
00141 }

static int loopback_exec ( struct ast_channel chan,
const char *  context,
const char *  exten,
int  priority,
const char *  callerid,
const char *  data 
) [static]

Definition at line 143 of file pbx_loopback.c.

References ast_spawn_extension(), and LOOPBACK_COMMON.

00144 {
00145    int found;
00146    LOOPBACK_COMMON;
00147    res = ast_spawn_extension(chan, newcontext, newexten, newpriority, callerid, &found, 0);
00148    return res;
00149 }

static int loopback_exists ( struct ast_channel chan,
const char *  context,
const char *  exten,
int  priority,
const char *  callerid,
const char *  data 
) [static]

Definition at line 125 of file pbx_loopback.c.

References ast_exists_extension(), ast_extension_match(), and LOOPBACK_COMMON.

00126 {
00127    LOOPBACK_COMMON;
00128    res = ast_exists_extension(chan, newcontext, newexten, newpriority, callerid);
00129    if (newpattern && !ast_extension_match(newpattern, exten))
00130       res = 0;
00131    return res;
00132 }

static int loopback_matchmore ( struct ast_channel chan,
const char *  context,
const char *  exten,
int  priority,
const char *  callerid,
const char *  data 
) [static]

Definition at line 151 of file pbx_loopback.c.

References ast_extension_match(), ast_matchmore_extension(), and LOOPBACK_COMMON.

00152 {
00153    LOOPBACK_COMMON;
00154    res = ast_matchmore_extension(chan, newcontext, newexten, newpriority, callerid);
00155    if (newpattern && !ast_extension_match(newpattern, exten))
00156       res = 0;
00157    return res;
00158 }

static void loopback_parse ( char **  newexten,
char **  newcontext,
int *  priority,
char **  newpattern,
char *  buf 
) [static]

Definition at line 104 of file pbx_loopback.c.

References ast_strlen_zero().

00105 {
00106    char *con;
00107    char *pri;
00108    *newpattern = strchr(buf, '/');
00109    if (*newpattern)
00110       *(*newpattern)++ = '\0';
00111    con = strchr(buf, '@');
00112    if (con) {
00113       *con++ = '\0';
00114       pri = strchr(con, ':');
00115    } else
00116       pri = strchr(buf, ':');
00117    if (!ast_strlen_zero(buf))
00118       *newexten = buf;
00119    if (!ast_strlen_zero(con))
00120       *newcontext = con;
00121    if (!ast_strlen_zero(pri))
00122       sscanf(pri, "%30d", priority);
00123 }

static char* loopback_subst ( char *  buf,
int  buflen,
const char *  exten,
const char *  context,
int  priority,
const char *  data 
) [static]

Definition at line 82 of file pbx_loopback.c.

References AST_LIST_HEAD_INIT_NOLOCK, AST_LIST_INSERT_HEAD, AST_LIST_REMOVE_HEAD, ast_var_assign(), ast_var_delete(), and pbx_substitute_variables_varshead().

00083 {
00084    struct ast_var_t *newvariable;
00085    struct varshead headp;
00086    char tmp[80];
00087 
00088    snprintf(tmp, sizeof(tmp), "%d", priority);
00089    AST_LIST_HEAD_INIT_NOLOCK(&headp);
00090    newvariable = ast_var_assign("EXTEN", exten);
00091    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00092    newvariable = ast_var_assign("CONTEXT", context);
00093    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00094    newvariable = ast_var_assign("PRIORITY", tmp);
00095    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00096    /* Substitute variables */
00097    pbx_substitute_variables_varshead(&headp, data, buf, buflen);
00098    /* free the list */
00099    while ((newvariable = AST_LIST_REMOVE_HEAD(&headp, entries)))
00100                 ast_var_delete(newvariable);
00101    return buf;
00102 }

static int unload_module ( void   )  [static]

Definition at line 170 of file pbx_loopback.c.

References ast_unregister_switch(), and loopback_switch.

00171 {
00172    ast_unregister_switch(&loopback_switch);
00173    return 0;
00174 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Loopback Switch" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static]

Definition at line 183 of file pbx_loopback.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 183 of file pbx_loopback.c.

struct ast_switch loopback_switch [static]

Definition at line 160 of file pbx_loopback.c.

Referenced by load_module(), and unload_module().


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