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			310 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			310 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*
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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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| 
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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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|  */
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| 
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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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| 
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| #include "asterisk.h"
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| 
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| ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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| 
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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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| 
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| static char *tdesc = "OSP Lookup";
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| 
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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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| 
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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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| 
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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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| "If the lookup was *not* successful and there exists a priority n + 101,\n"
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| "then that priority will be taken next.\n" ;
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| 
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| static char *descrip2 = 
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| "  OSPNext:  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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| "If the lookup was *not* successful and there exists a priority n + 101,\n"
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| "then that priority will be taken next.\n" ;
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| 
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| static char *descrip3 = 
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| "  OSPFinish(status):  Records call state for ${OSPHANDLE}, according to\n"
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| "status, which should be one of BUSY, CONGESTION, ANSWER, NOANSWER, or NOCHANAVAIL\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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| "If the finishing was *not* successful and there exists a priority n + 101,\n"
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| "then that priority will be taken next.\n" ;
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| 
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| STANDARD_LOCAL_USER;
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| 
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| LOCAL_USER_DECL;
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| 
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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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| 
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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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| 	char *provider, *opts=NULL;
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| 	struct ast_osp_result result;
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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 (extension)\n");
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| 		return -1;
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| 	}
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| 
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| 	LOCAL_USER_ADD(u);
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| 
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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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| 
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| 	provider = strchr(temp, '|');
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| 	if (provider) {
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| 		*provider = '\0';
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| 		provider++;
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| 		opts = strchr(provider, '|');
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| 		if (opts) {
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| 			*opts = '\0';
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| 			opts++;
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| 		}
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| 	}
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| 	
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| 	ast_log(LOG_DEBUG, "Whoo hoo, looking up OSP on '%s' via '%s'\n", temp, provider ? provider : "<default>");
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| 	if ((res = ast_osp_lookup(chan, provider, temp, 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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| 
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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", temp, provider ? provider : "<default>");
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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, temp, provider ? 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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| 		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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| 
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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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| 
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| 	if (ast_strlen_zero(data)) {
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| 		ast_log(LOG_WARNING, "OSPNext should have an argument (cause)\n");
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| 		return -1;
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| 	}
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| 	
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| 	LOCAL_USER_ADD(u);
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| 
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| 	cause = str2cause((char *)data);
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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 ((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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| 		}
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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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| 		} 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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| 		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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| 
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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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| 
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| 	if (ast_strlen_zero(data)) {
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| 		ast_log(LOG_WARNING, "OSPFinish should have an argument (cause)\n");
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| 		return -1;
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| 	}
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| 
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| 	LOCAL_USER_ADD(u);	
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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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| 	
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| 	cause = str2cause((char *)data);
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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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| 			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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| 		} 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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| 		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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| 
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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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| 	
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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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| 
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| 	STANDARD_HANGUP_LOCALUSERS;
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| 
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| 	return res;
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| }
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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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| 	
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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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| 	
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| 	return res;
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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