#include "asterisk.h"
#include <sys/ioctl.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/devicestate.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, const char *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_LOAD_ORDER , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } |
static const char | app [] = "ChanIsAvail" |
static struct ast_module_info * | ast_module_info = &__mod_info |
James Golovich <james@gnuinter.net>
Definition in file app_chanisavail.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 208 of file app_chanisavail.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 208 of file app_chanisavail.c.
static int chanavail_exec | ( | struct ast_channel * | chan, | |
const char * | data | |||
) | [static] |
Definition at line 98 of file app_chanisavail.c.
References args, AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_device_state(), ast_hangup(), ast_log(), ast_parse_device_state(), ast_request(), AST_STANDARD_APP_ARGS, ast_str_alloca, ast_str_append(), ast_str_buffer(), ast_str_strlen(), ast_strdupa, ast_strlen_zero(), LOG_WARNING, ast_channel::name, ast_channel::nativeformats, pbx_builtin_setvar_helper(), and status.
Referenced by load_module().
00099 { 00100 int inuse=-1, option_state=0, string_compare=0, option_all_avail=0; 00101 int status; 00102 char *info, tmp[512], trychan[512], *peers, *tech, *number, *rest, *cur; 00103 struct ast_str *tmp_availchan = ast_str_alloca(2048); 00104 struct ast_str *tmp_availorig = ast_str_alloca(2048); 00105 struct ast_str *tmp_availstat = ast_str_alloca(2048); 00106 struct ast_str *tmp_availcause = ast_str_alloca(2048); 00107 struct ast_channel *tempchan; 00108 AST_DECLARE_APP_ARGS(args, 00109 AST_APP_ARG(reqchans); 00110 AST_APP_ARG(options); 00111 ); 00112 00113 if (ast_strlen_zero(data)) { 00114 ast_log(LOG_WARNING, "ChanIsAvail requires an argument (DAHDI/1&DAHDI/2)\n"); 00115 return -1; 00116 } 00117 00118 info = ast_strdupa(data); 00119 00120 AST_STANDARD_APP_ARGS(args, info); 00121 00122 if (args.options) { 00123 if (strchr(args.options, 'a')) { 00124 option_all_avail = 1; 00125 } 00126 if (strchr(args.options, 's')) { 00127 option_state = 1; 00128 } 00129 if (strchr(args.options, 't')) { 00130 string_compare = 1; 00131 } 00132 } 00133 peers = args.reqchans; 00134 if (peers) { 00135 cur = peers; 00136 do { 00137 /* remember where to start next time */ 00138 rest = strchr(cur, '&'); 00139 if (rest) { 00140 *rest = 0; 00141 rest++; 00142 } 00143 tech = cur; 00144 number = strchr(tech, '/'); 00145 if (!number) { 00146 ast_log(LOG_WARNING, "ChanIsAvail argument takes format ([technology]/[device])\n"); 00147 return -1; 00148 } 00149 *number = '\0'; 00150 number++; 00151 00152 if (string_compare) { 00153 /* ast_parse_device_state checks for "SIP/1234" as a channel name. 00154 ast_device_state will ask the SIP driver for the channel state. */ 00155 00156 snprintf(trychan, sizeof(trychan), "%s/%s",cur,number); 00157 status = inuse = ast_parse_device_state(trychan); 00158 } else if (option_state) { 00159 /* If the pbx says in use then don't bother trying further. 00160 This is to permit testing if someone's on a call, even if the 00161 channel can permit more calls (ie callwaiting, sip calls, etc). */ 00162 00163 snprintf(trychan, sizeof(trychan), "%s/%s",cur,number); 00164 status = inuse = ast_device_state(trychan); 00165 } 00166 snprintf(tmp, sizeof(tmp), "%d", status); 00167 ast_str_append(&tmp_availstat, 0, "%s%s", ast_str_strlen(tmp_availstat) ? "&" : "", tmp); 00168 if ((inuse <= 1) && (tempchan = ast_request(tech, chan->nativeformats, chan, number, &status))) { 00169 ast_str_append(&tmp_availchan, 0, "%s%s", ast_str_strlen(tmp_availchan) ? "&" : "", tempchan->name); 00170 00171 snprintf(tmp, sizeof(tmp), "%s/%s", tech, number); 00172 ast_str_append(&tmp_availorig, 0, "%s%s", ast_str_strlen(tmp_availorig) ? "&" : "", tmp); 00173 00174 snprintf(tmp, sizeof(tmp), "%d", status); 00175 ast_str_append(&tmp_availcause, 0, "%s%s", ast_str_strlen(tmp_availcause) ? "&" : "", tmp); 00176 00177 ast_hangup(tempchan); 00178 tempchan = NULL; 00179 00180 if (!option_all_avail) { 00181 break; 00182 } 00183 } 00184 cur = rest; 00185 } while (cur); 00186 } 00187 00188 pbx_builtin_setvar_helper(chan, "AVAILCHAN", ast_str_buffer(tmp_availchan)); 00189 /* Store the originally used channel too */ 00190 pbx_builtin_setvar_helper(chan, "AVAILORIGCHAN", ast_str_buffer(tmp_availorig)); 00191 pbx_builtin_setvar_helper(chan, "AVAILSTATUS", ast_str_buffer(tmp_availstat)); 00192 pbx_builtin_setvar_helper(chan, "AVAILCAUSECODE", ast_str_buffer(tmp_availcause)); 00193 00194 return 0; 00195 }
static int load_module | ( | void | ) | [static] |
Definition at line 202 of file app_chanisavail.c.
References AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_register_application_xml, and chanavail_exec().
00203 { 00204 return ast_register_application_xml(app, chanavail_exec) ? 00205 AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS; 00206 }
static int unload_module | ( | void | ) | [static] |
Definition at line 197 of file app_chanisavail.c.
References ast_unregister_application().
00198 { 00199 return ast_unregister_application(app); 00200 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static] |
Definition at line 208 of file app_chanisavail.c.
const char app[] = "ChanIsAvail" [static] |
Definition at line 44 of file app_chanisavail.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 208 of file app_chanisavail.c.