#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/ioctl.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/devicestate.h"
#include "asterisk/options.h"
Go to the source code of this file.
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | chanavail_exec (struct ast_channel *chan, void *data) |
static int | load_module (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT | AST_MODFLAG_BUILDSUM, .description = "Check channel availability" , .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 char * | app = "ChanIsAvail" |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static char * | descrip |
static char * | synopsis = "Check channel availability" |
James Golovich <james@gnuinter.net>
Definition in file app_chanisavail.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 178 of file app_chanisavail.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 178 of file app_chanisavail.c.
static int chanavail_exec | ( | struct ast_channel * | chan, | |
void * | data | |||
) | [static] |
Definition at line 72 of file app_chanisavail.c.
References AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_device_state(), ast_goto_if_exists(), ast_hangup(), ast_log(), ast_module_user_add, ast_module_user_remove, ast_opt_priority_jumping, ast_request(), AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), ast_channel::context, inuse, LOG_WARNING, ast_channel::name, ast_channel::nativeformats, and pbx_builtin_setvar_helper().
Referenced by load_module().
00073 { 00074 int res=-1, inuse=-1, option_state=0, priority_jump=0; 00075 int status; 00076 struct ast_module_user *u; 00077 char *info, tmp[512], trychan[512], *peers, *tech, *number, *rest, *cur; 00078 struct ast_channel *tempchan; 00079 AST_DECLARE_APP_ARGS(args, 00080 AST_APP_ARG(reqchans); 00081 AST_APP_ARG(options); 00082 ); 00083 00084 if (ast_strlen_zero(data)) { 00085 ast_log(LOG_WARNING, "ChanIsAvail requires an argument (Zap/1&Zap/2)\n"); 00086 return -1; 00087 } 00088 00089 u = ast_module_user_add(chan); 00090 00091 info = ast_strdupa(data); 00092 00093 AST_STANDARD_APP_ARGS(args, info); 00094 00095 if (args.options) { 00096 if (strchr(args.options, 's')) 00097 option_state = 1; 00098 if (strchr(args.options, 'j')) 00099 priority_jump = 1; 00100 } 00101 peers = args.reqchans; 00102 if (peers) { 00103 cur = peers; 00104 do { 00105 /* remember where to start next time */ 00106 rest = strchr(cur, '&'); 00107 if (rest) { 00108 *rest = 0; 00109 rest++; 00110 } 00111 tech = cur; 00112 number = strchr(tech, '/'); 00113 if (!number) { 00114 ast_log(LOG_WARNING, "ChanIsAvail argument takes format ([technology]/[device])\n"); 00115 ast_module_user_remove(u); 00116 return -1; 00117 } 00118 *number = '\0'; 00119 number++; 00120 00121 if (option_state) { 00122 /* If the pbx says in use then don't bother trying further. 00123 This is to permit testing if someone's on a call, even if the 00124 channel can permit more calls (ie callwaiting, sip calls, etc). */ 00125 00126 snprintf(trychan, sizeof(trychan), "%s/%s",cur,number); 00127 status = inuse = ast_device_state(trychan); 00128 } 00129 if ((inuse <= 1) && (tempchan = ast_request(tech, chan->nativeformats, number, &status))) { 00130 pbx_builtin_setvar_helper(chan, "AVAILCHAN", tempchan->name); 00131 /* Store the originally used channel too */ 00132 snprintf(tmp, sizeof(tmp), "%s/%s", tech, number); 00133 pbx_builtin_setvar_helper(chan, "AVAILORIGCHAN", tmp); 00134 snprintf(tmp, sizeof(tmp), "%d", status); 00135 pbx_builtin_setvar_helper(chan, "AVAILSTATUS", tmp); 00136 ast_hangup(tempchan); 00137 tempchan = NULL; 00138 res = 1; 00139 break; 00140 } else { 00141 snprintf(tmp, sizeof(tmp), "%d", status); 00142 pbx_builtin_setvar_helper(chan, "AVAILSTATUS", tmp); 00143 } 00144 cur = rest; 00145 } while (cur); 00146 } 00147 if (res < 1) { 00148 pbx_builtin_setvar_helper(chan, "AVAILCHAN", ""); 00149 pbx_builtin_setvar_helper(chan, "AVAILORIGCHAN", ""); 00150 if (priority_jump || ast_opt_priority_jumping) { 00151 if (ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101)) { 00152 ast_module_user_remove(u); 00153 return -1; 00154 } 00155 } 00156 } 00157 00158 ast_module_user_remove(u); 00159 return 0; 00160 }
static int load_module | ( | void | ) | [static] |
Definition at line 173 of file app_chanisavail.c.
References ast_register_application(), and chanavail_exec().
00174 { 00175 return ast_register_application(app, chanavail_exec, synopsis, descrip); 00176 }
static int unload_module | ( | void | ) | [static] |
Definition at line 162 of file app_chanisavail.c.
References ast_module_user_hangup_all, and ast_unregister_application().
00163 { 00164 int res = 0; 00165 00166 res = ast_unregister_application(app); 00167 00168 ast_module_user_hangup_all(); 00169 00170 return res; 00171 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT | AST_MODFLAG_BUILDSUM, .description = "Check channel availability" , .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 178 of file app_chanisavail.c.
char* app = "ChanIsAvail" [static] |
Definition at line 51 of file app_chanisavail.c.
const struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 178 of file app_chanisavail.c.
char* descrip [static] |
Definition at line 55 of file app_chanisavail.c.
char* synopsis = "Check channel availability" [static] |
Definition at line 53 of file app_chanisavail.c.