Sat Aug 6 00:40:02 2011

Asterisk developer's documentation


pbx_loopback.c File Reference

Loopback PBX Module. More...

#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/options.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/crypto.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_DEFAULT | AST_MODFLAG_BUILDSUM, .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 = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, }
static const 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 80 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 191 of file pbx_loopback.c.

static void __unreg_module ( void   )  [static]

Definition at line 191 of file pbx_loopback.c.

static int load_module ( void   )  [static]

Definition at line 185 of file pbx_loopback.c.

References ast_register_switch(), and loopback_switch.

00186 {
00187    ast_register_switch(&loopback_switch);
00188    return 0;
00189 }

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 144 of file pbx_loopback.c.

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

00145 {
00146    LOOPBACK_COMMON;
00147    res = ast_canmatch_extension(chan, newcontext, newexten, newpriority, callerid);
00148    if (newpattern && !ast_extension_match(newpattern, exten))
00149       res = 0;
00150    return res;
00151 }

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 153 of file pbx_loopback.c.

References ast_spawn_extension(), and LOOPBACK_COMMON.

00154 {
00155    LOOPBACK_COMMON;
00156    res = ast_spawn_extension(chan, newcontext, newexten, newpriority, callerid);
00157    return res;
00158 }

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 135 of file pbx_loopback.c.

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

00136 {
00137    LOOPBACK_COMMON;
00138    res = ast_exists_extension(chan, newcontext, newexten, newpriority, callerid);
00139    if (newpattern && !ast_extension_match(newpattern, exten))
00140       res = 0;
00141    return res;
00142 }

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 160 of file pbx_loopback.c.

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

00161 {
00162    LOOPBACK_COMMON;
00163    res = ast_matchmore_extension(chan, newcontext, newexten, newpriority, callerid);
00164    if (newpattern && !ast_extension_match(newpattern, exten))
00165       res = 0;
00166    return res;
00167 }

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

Definition at line 114 of file pbx_loopback.c.

References ast_strlen_zero().

00115 {
00116    char *con;
00117    char *pri;
00118    *newpattern = strchr(buf, '/');
00119    if (*newpattern)
00120       *(*newpattern)++ = '\0';
00121    con = strchr(buf, '@');
00122    if (con) {
00123       *con++ = '\0';
00124       pri = strchr(con, ':');
00125    } else
00126       pri = strchr(buf, ':');
00127    if (!ast_strlen_zero(buf))
00128       *newexten = buf;
00129    if (!ast_strlen_zero(con))
00130       *newcontext = con;
00131    if (!ast_strlen_zero(pri))
00132       sscanf(pri, "%30d", priority);
00133 }

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

Definition at line 91 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().

00092 {
00093    struct ast_var_t *newvariable;
00094    struct varshead headp;
00095    char tmp[80];
00096 
00097    snprintf(tmp, sizeof(tmp), "%d", priority);
00098    memset(buf, 0, buflen);
00099    AST_LIST_HEAD_INIT_NOLOCK(&headp);
00100    newvariable = ast_var_assign("EXTEN", exten);
00101    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00102    newvariable = ast_var_assign("CONTEXT", context);
00103    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00104    newvariable = ast_var_assign("PRIORITY", tmp);
00105    AST_LIST_INSERT_HEAD(&headp, newvariable, entries);
00106    /* Substitute variables */
00107    pbx_substitute_variables_varshead(&headp, data, buf, buflen);
00108    /* free the list */
00109    while ((newvariable = AST_LIST_REMOVE_HEAD(&headp, entries)))
00110                 ast_var_delete(newvariable);
00111    return buf;
00112 }

static int unload_module ( void   )  [static]

Definition at line 179 of file pbx_loopback.c.

References ast_unregister_switch(), and loopback_switch.

00180 {
00181    ast_unregister_switch(&loopback_switch);
00182    return 0;
00183 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT | AST_MODFLAG_BUILDSUM, .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 = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, } [static]

Definition at line 191 of file pbx_loopback.c.

const struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 191 of file pbx_loopback.c.

struct ast_switch loopback_switch [static]

Definition at line 169 of file pbx_loopback.c.

Referenced by load_module(), and unload_module().


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