376 lines
10 KiB
C
376 lines
10 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Open Settlement Protocol Lookup
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*
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* \ingroup applications
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <ctype.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/options.h"
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#include "asterisk/config.h"
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#include "asterisk/module.h"
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#include "asterisk/utils.h"
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#include "asterisk/causes.h"
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#include "asterisk/astosp.h"
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#include "asterisk/app.h"
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#include "asterisk/options.h"
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static char *tdesc = "OSP Lookup";
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static char *app = "OSPLookup";
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static char *app2 = "OSPNext";
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static char *app3 = "OSPFinish";
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static char *synopsis = "Lookup number in OSP";
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static char *synopsis2 = "Lookup next OSP entry";
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static char *synopsis3 = "Record OSP entry";
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static char *descrip =
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" OSPLookup(exten[|provider[|options]]): Looks up an extension via OSP and sets\n"
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"the variables, where 'n' is the number of the result beginning with 1:\n"
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" ${OSPTECH}: The technology to use for the call\n"
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" ${OSPDEST}: The destination to use for the call\n"
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" ${OSPTOKEN}: The actual OSP token as a string\n"
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" ${OSPHANDLE}: The OSP Handle for anything remaining\n"
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" ${OSPRESULTS}: The number of OSP results total remaining\n"
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"\n"
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"The option string may contain the following character:\n"
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" 'j' -- jump to n+101 priority if the lookup was NOT successful\n"
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"This application sets the following channel variable upon completion:\n"
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" OSPLOOKUPSTATUS The status of the OSP Lookup attempt as a text string, one of\n"
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" SUCCESS | FAILED \n";
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static char *descrip2 =
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" OSPNext(cause[|options]): Looks up the next OSP Destination for ${OSPHANDLE}\n"
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"See OSPLookup for more information\n"
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"\n"
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"The option string may contain the following character:\n"
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" 'j' -- jump to n+101 priority if the lookup was NOT successful\n"
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"This application sets the following channel variable upon completion:\n"
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" OSPNEXTSTATUS The status of the OSP Next attempt as a text string, one of\n"
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" SUCCESS | FAILED \n";
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static char *descrip3 =
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" OSPFinish(status[|options]): Records call state for ${OSPHANDLE}, according to\n"
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"status, which should be one of BUSY, CONGESTION, ANSWER, NOANSWER, or CHANUNAVAIL\n"
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"or coincidentally, just what the Dial application stores in its ${DIALSTATUS}.\n"
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"\n"
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"The option string may contain the following character:\n"
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" 'j' -- jump to n+101 priority if the finish attempt was NOT successful\n"
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"This application sets the following channel variable upon completion:\n"
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" OSPFINISHSTATUS The status of the OSP Finish attempt as a text string, one of\n"
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" SUCCESS | FAILED \n";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int str2cause(char *cause)
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{
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if (!strcasecmp(cause, "BUSY"))
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return AST_CAUSE_BUSY;
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if (!strcasecmp(cause, "CONGESTION"))
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return AST_CAUSE_CONGESTION;
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if (!strcasecmp(cause, "ANSWER"))
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return AST_CAUSE_NORMAL;
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if (!strcasecmp(cause, "CANCEL"))
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return AST_CAUSE_NORMAL;
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if (!strcasecmp(cause, "NOANSWER"))
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return AST_CAUSE_NOANSWER;
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if (!strcasecmp(cause, "NOCHANAVAIL"))
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return AST_CAUSE_CONGESTION;
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ast_log(LOG_WARNING, "Unknown cause '%s', using NORMAL\n", cause);
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return AST_CAUSE_NORMAL;
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}
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static int osplookup_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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struct localuser *u;
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char *temp;
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struct ast_osp_result result;
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int priority_jump = 0;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(extension);
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AST_APP_ARG(provider);
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AST_APP_ARG(options);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "OSPLookup requires an argument OSPLookup(exten[|provider[|options]])\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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temp = ast_strdupa(data);
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if (!temp) {
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ast_log(LOG_ERROR, "Out of memory!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, temp);
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if (args.options) {
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if (strchr(args.options, 'j'))
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priority_jump = 1;
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}
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ast_log(LOG_DEBUG, "Whoo hoo, looking up OSP on '%s' via '%s'\n", args.extension, args.provider ? args.provider : "<default>");
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if ((res = ast_osp_lookup(chan, args.provider, args.extension, chan->cid.cid_num, &result)) > 0) {
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char tmp[80];
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snprintf(tmp, sizeof(tmp), "%d", result.handle);
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pbx_builtin_setvar_helper(chan, "_OSPHANDLE", tmp);
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pbx_builtin_setvar_helper(chan, "_OSPTECH", result.tech);
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pbx_builtin_setvar_helper(chan, "_OSPDEST", result.dest);
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pbx_builtin_setvar_helper(chan, "_OSPTOKEN", result.token);
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snprintf(tmp, sizeof(tmp), "%d", result.numresults);
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pbx_builtin_setvar_helper(chan, "_OSPRESULTS", tmp);
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pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", "SUCCESS");
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} else {
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if (!res) {
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ast_log(LOG_NOTICE, "OSP Lookup failed for '%s' (provider '%s')\n", args.extension, args.provider ? args.provider : "<default>");
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pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", "FAILED");
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} else
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ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Lookup for '%s' (provider '%s')!\n", chan->name, args.extension, args.provider ? args.provider : "<default>" );
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}
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if (!res) {
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/* Look for a "busy" place */
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if (priority_jump || option_priority_jumping)
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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} else if (res > 0)
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res = 0;
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LOCAL_USER_REMOVE(u);
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return res;
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}
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static int ospnext_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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struct localuser *u;
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char *temp;
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int cause;
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struct ast_osp_result result;
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int priority_jump = 0;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(cause);
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AST_APP_ARG(options);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "OSPNext should have an argument (cause[|options])\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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temp = ast_strdupa(data);
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if (!temp) {
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ast_log(LOG_ERROR, "Out of memory!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, temp);
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if (args.options) {
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if (strchr(args.options, 'j'))
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priority_jump = 1;
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}
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cause = str2cause(args.cause);
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temp = pbx_builtin_getvar_helper(chan, "OSPHANDLE");
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result.handle = -1;
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if (!ast_strlen_zero(temp) && (sscanf(temp, "%d", &result.handle) == 1) && (result.handle > -1)) {
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temp = pbx_builtin_getvar_helper(chan, "OSPRESULTS");
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if (ast_strlen_zero(temp) || (sscanf(temp, "%d", &result.numresults) != 1)) {
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result.numresults = 0;
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}
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if ((res = ast_osp_next(&result, cause)) > 0) {
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char tmp[80];
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snprintf(tmp, sizeof(tmp), "%d", result.handle);
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pbx_builtin_setvar_helper(chan, "_OSPHANDLE", tmp);
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pbx_builtin_setvar_helper(chan, "_OSPTECH", result.tech);
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pbx_builtin_setvar_helper(chan, "_OSPDEST", result.dest);
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pbx_builtin_setvar_helper(chan, "_OSPTOKEN", result.token);
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snprintf(tmp, sizeof(tmp), "%d", result.numresults);
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pbx_builtin_setvar_helper(chan, "_OSPRESULTS", tmp);
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pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", "SUCCESS");
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}
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} else {
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if (!res) {
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if (result.handle < 0)
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ast_log(LOG_NOTICE, "OSP Lookup Next failed for handle '%d'\n", result.handle);
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else
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ast_log(LOG_DEBUG, "No OSP handle specified\n");
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pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", "FAILED");
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} else
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ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Next!\n", chan->name);
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}
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if (!res) {
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/* Look for a "busy" place */
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if (priority_jump || option_priority_jumping)
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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} else if (res > 0)
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res = 0;
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LOCAL_USER_REMOVE(u);
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return res;
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}
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static int ospfinished_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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struct localuser *u;
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char *temp;
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int cause;
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time_t start=0, duration=0;
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struct ast_osp_result result;
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int priority_jump = 0;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(status);
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AST_APP_ARG(options);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "OSPFinish should have an argument (status[|options])\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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temp = ast_strdupa(data);
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if (!temp) {
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ast_log(LOG_ERROR, "Out of memory!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, temp);
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if (args.options) {
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if (strchr(args.options, 'j'))
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priority_jump = 1;
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}
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if (chan->cdr) {
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start = chan->cdr->answer.tv_sec;
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if (start)
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duration = time(NULL) - start;
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else
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duration = 0;
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} else
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ast_log(LOG_WARNING, "OSPFinish called on channel '%s' with no CDR!\n", chan->name);
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cause = str2cause(args.status);
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temp = pbx_builtin_getvar_helper(chan, "OSPHANDLE");
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result.handle = -1;
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if (!ast_strlen_zero(temp) && (sscanf(temp, "%d", &result.handle) == 1) && (result.handle > -1)) {
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if (!ast_osp_terminate(result.handle, cause, start, duration)) {
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pbx_builtin_setvar_helper(chan, "_OSPHANDLE", "");
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pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", "SUCCESS");
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res = 1;
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}
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} else {
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if (!res) {
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if (result.handle > -1)
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ast_log(LOG_NOTICE, "OSP Finish failed for handle '%d'\n", result.handle);
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else
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ast_log(LOG_DEBUG, "No OSP handle specified\n");
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pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", "FAILED");
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} else
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ast_log(LOG_DEBUG, "Got hangup on '%s' while doing OSP Terminate!\n", chan->name);
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}
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if (!res) {
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/* Look for a "busy" place */
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if (priority_jump || option_priority_jumping)
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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} else if (res > 0)
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res = 0;
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LOCAL_USER_REMOVE(u);
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return res;
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}
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int unload_module(void)
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{
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int res;
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res = ast_unregister_application(app3);
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res |= ast_unregister_application(app2);
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res |= ast_unregister_application(app);
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STANDARD_HANGUP_LOCALUSERS;
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return res;
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}
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int load_module(void)
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{
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int res;
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res = ast_register_application(app, osplookup_exec, synopsis, descrip);
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res |= ast_register_application(app2, ospnext_exec, synopsis2, descrip2);
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res |= ast_register_application(app3, ospfinished_exec, synopsis3, descrip3);
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return res;
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}
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int reload(void)
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{
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return 0;
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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int res;
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STANDARD_USECOUNT(res);
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return res;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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