#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "asterisk.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
Go to the source code of this file.
Functions | |
char * | description (void) |
Provides a description of the module. | |
char * | key () |
Returns the ASTERISK_GPL_KEY. | |
int | load_module (void) |
Initialize the module. | |
static int | random_exec (struct ast_channel *chan, void *data) |
int | unload_module (void) |
Cleanup all module structures, sockets, etc. | |
int | usecount (void) |
Provides a usecount. | |
Variables | |
static char * | app_random = "Random" |
LOCAL_USER_DECL | |
static char * | random_descrip |
static char | random_state [256] |
static char * | random_synopsis = "Conditionally branches, based upon a probability" |
STANDARD_LOCAL_USER | |
static char * | tdesc = "Random goto" |
Definition in file app_random.c.
char* description | ( | void | ) |
Provides a description of the module.
Definition at line 112 of file app_random.c.
00113 { 00114 return tdesc; 00115 }
char* key | ( | void | ) |
Returns the ASTERISK_GPL_KEY.
This returns the ASTERISK_GPL_KEY, signifiying that you agree to the terms of the GPL stated in the ASTERISK_GPL_KEY. Your module will not load if it does not return the EXACT message:
char *key(void) { return ASTERISK_GPL_KEY; }
Definition at line 123 of file app_random.c.
References ASTERISK_GPL_KEY.
00124 { 00125 return ASTERISK_GPL_KEY; 00126 }
int load_module | ( | void | ) |
Initialize the module.
Initialize the Agents module. This function is being called by Asterisk when loading the module. Among other thing it registers applications, cli commands and reads the cofiguration file.
Definition at line 106 of file app_random.c.
References ast_register_application(), and random_exec().
00107 { 00108 initstate((getppid() * 65535 + getpid()) % RAND_MAX, random_state, 256); 00109 return ast_register_application(app_random, random_exec, random_synopsis, random_descrip); 00110 }
static int random_exec | ( | struct ast_channel * | chan, | |
void * | data | |||
) | [static] |
Definition at line 58 of file app_random.c.
References ast_log(), ast_parseable_goto(), ast_strdupa, ast_strlen_zero(), ast_verbose(), localuser::chan, ast_channel::context, ast_channel::exten, LOCAL_USER_ADD, LOCAL_USER_REMOVE, LOG_ERROR, LOG_WARNING, option_verbose, ast_channel::priority, s, strsep(), and VERBOSE_PREFIX_3.
Referenced by load_module().
00059 { 00060 int res=0; 00061 struct localuser *u; 00062 00063 char *s; 00064 char *prob; 00065 int probint; 00066 00067 if (ast_strlen_zero(data)) { 00068 ast_log(LOG_WARNING, "Random requires an argument ([probability]:[[context|]extension|]priority)\n"); 00069 return -1; 00070 } 00071 00072 LOCAL_USER_ADD(u); 00073 00074 s = ast_strdupa(data); 00075 if (!s) { 00076 ast_log(LOG_ERROR, "Out of memory!\n"); 00077 LOCAL_USER_REMOVE(u); 00078 return -1; 00079 } 00080 00081 prob = strsep(&s,":"); 00082 if ((!prob) || (sscanf(prob, "%d", &probint) != 1)) 00083 probint = 0; 00084 00085 if ((random() % 100) + probint >= 100) { 00086 res = ast_parseable_goto(chan, s); 00087 if (option_verbose > 2) 00088 ast_verbose( VERBOSE_PREFIX_3 "Random branches to (%s,%s,%d)\n", 00089 chan->context,chan->exten, chan->priority+1); 00090 } 00091 LOCAL_USER_REMOVE(u); 00092 return res; 00093 }
int unload_module | ( | void | ) |
Cleanup all module structures, sockets, etc.
This is called at exit. Any registrations and memory allocations need to be unregistered and free'd here. Nothing else will do these for you (until exit).
Definition at line 95 of file app_random.c.
References ast_unregister_application(), and STANDARD_HANGUP_LOCALUSERS.
00096 { 00097 int res; 00098 00099 res = ast_unregister_application(app_random); 00100 00101 STANDARD_HANGUP_LOCALUSERS; 00102 00103 return res; 00104 }
int usecount | ( | void | ) |
Provides a usecount.
This function will be called by various parts of asterisk. Basically, all it has to do is to return a usecount when called. You will need to maintain your usecount within the module somewhere. The usecount should be how many channels provided by this module are in use.
Definition at line 117 of file app_random.c.
00118 { 00119 /* Don't allow unload, since rand(3) depends upon this module being here. */ 00120 return 1; 00121 }
char* app_random = "Random" [static] |
Definition at line 44 of file app_random.c.
Definition at line 54 of file app_random.c.
char* random_descrip [static] |
Initial value:
"Random([probability]:[[context|]extension|]priority)\n" " probability := INTEGER in the range 1 to 100\n"
Definition at line 48 of file app_random.c.
char random_state[256] [static] |
Definition at line 56 of file app_random.c.
char* random_synopsis = "Conditionally branches, based upon a probability" [static] |
Definition at line 46 of file app_random.c.
Definition at line 52 of file app_random.c.
char* tdesc = "Random goto" [static] |
Definition at line 42 of file app_random.c.