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			132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*
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|  * Asterisk -- A telephony toolkit for Linux.
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|  *
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|  * Random application
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|  * 
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|  * Copyright (c) 2003 - 2005 Tilghman Lesher.  All rights reserved.
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|  *
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|  * Tilghman Lesher <asterisk__app_random__20040111@the-tilghman.com>
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|  *
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|  * This code is released by the author with no restrictions on usage or distribution.
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|  *
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|  */
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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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| 
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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/file.h"
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| #include "asterisk/logger.h"
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| #include "asterisk/options.h"
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| #include "asterisk/channel.h"
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| #include "asterisk/pbx.h"
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| #include "asterisk/module.h"
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| 
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| static char *tdesc = "Random goto";
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| 
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| static char *app_random = "Random";
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| 
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| static char *random_synopsis = "Conditionally branches, based upon a probability";
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| 
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| static char *random_descrip =
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| "Random([probability]:[[context|]extension|]priority)\n"
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| "  probability := INTEGER in the range 1 to 100\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 random_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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| 
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| 	char *s;
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| 	char *exten, *pri, *context;
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| 	char *prob;
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| 	int probint, priorityint;
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| 
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| 	if (!data) {
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| 		ast_log(LOG_WARNING, "Random requires an argument ([probability]:[[context|]extension|]priority)\n");
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| 		return -1;
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| 	}
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| 	LOCAL_USER_ADD(u);
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| 	s = ast_strdupa((void *) data);
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| 
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| 	prob = strsep(&s,":");
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| 	if ((!prob) || (sscanf(prob, "%d", &probint) != 1))
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| 		probint = 0;
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| 
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| 	if ((random() % 100) + probint > 100) {
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| 		context = strsep(&s, "|");
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| 		exten = strsep(&s, "|");
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| 		if (!exten) {
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| 			/* Only a priority */
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| 			pri = context;
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| 			exten = NULL;
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| 			context = NULL;
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| 		} else {
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| 			pri = strsep(&s, "|");
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| 			if (!pri) {
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| 				pri = exten;
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| 				exten = context;
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| 				context = NULL;
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| 			}
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| 		}
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| 		if (!pri) {
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| 			ast_log(LOG_WARNING, "No label specified\n");
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| 			LOCAL_USER_REMOVE(u);
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| 			return -1;
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| 		} else if (sscanf(pri, "%d", &priorityint) != 1) {
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| 			ast_log(LOG_WARNING, "Priority '%s' must be a number > 0\n", pri);
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| 			LOCAL_USER_REMOVE(u);
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| 			return -1;
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| 		}
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| 		/* At this point we have a priority and */
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| 		/* maybe an extension and a context     */
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| 		chan->priority = priorityint - 1;
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| 		if (exten && strcasecmp(exten, "BYEXTENSION"))
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| 			strncpy(chan->exten, exten, sizeof(chan->exten)-1);
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| 		if (context)
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| 			strncpy(chan->context, context, sizeof(chan->context)-1);
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| 		if (option_verbose > 2)
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| 			ast_verbose( VERBOSE_PREFIX_3 "Random branches to (%s,%s,%d)\n",
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| 				chan->context,chan->exten, chan->priority+1);
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| 		LOCAL_USER_REMOVE(u);
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| 	}
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| 	return res;
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| }
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| 
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| int unload_module(void)
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| {
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| 	STANDARD_HANGUP_LOCALUSERS;
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| 	return ast_unregister_application(app_random);
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| }
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| 
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| int load_module(void)
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| {
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| 	return ast_register_application(app_random, random_exec, random_synopsis, random_descrip);
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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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