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/*
* Asterisk -- A telephony toolkit for Linux.
*
* RealTime App
*
* Copyright (C) 1999-2004, Digium, Inc.
*
* Anthony Minessale <anthmct@yahoo.com>
* Mark Spencer <markster@digium.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <asterisk/options.h>
#include <asterisk/pbx.h>
#include <asterisk/config.h>
#include <asterisk/module.h>
#include <asterisk/lock.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#define next_one(var) var = var->next
#define crop_data(str) { *(str) = '\0' ; (str)++; }
static char *tdesc = "Realtime Data Lookup/Rewrite";
static char *app = "RealTime";
static char *uapp = "RealTimeUpdate";
static char *synopsis = "Realtime Data Lookup";
static char *usynopsis = "Realtime Data Rewrite";
static char *USAGE = "RealTime(<family>|<colmatch>|<value>[|<prefix>])";
static char *UUSAGE = "RealTimeUpdate(<family>|<colmatch>|<value>|<newcol>|<newval>)";
static char *desc = "Use the RealTime config handler system to read data into channel variables.\n"
"RealTime(<family>|<colmatch>|<value>[|<prefix>])\n\n"
"All unique column names will be set as channel variables with optional prefix to the name.\n"
"e.g. prefix of 'var_' would make the column 'name' become the variable ${var_name}\n\n";
static char *udesc = "Use the RealTime config handler system to update a value\n"
"RealTimeUpdate(<family>|<colmatch>|<value>|<newcol>|<newval>)\n\n"
"The column <newcol> in 'family' matching column <colmatch>=<value> will be updated to <newval>\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int realtime_update_exec(struct ast_channel *chan, void *data) {
char *family=NULL, *colmatch=NULL, *value=NULL, *newcol=NULL, *newval=NULL;
struct localuser *u;
int res = 0;
if (!data) {
ast_log(LOG_ERROR,"Invalid input %s\n",UUSAGE);
return -1;
}
LOCAL_USER_ADD(u);
if ((family = ast_strdupa(data))) {
if ((colmatch = strchr(family,'|'))) {
crop_data(colmatch);
if ((value = strchr(colmatch,'|'))) {
crop_data(value);
if ((newcol = strchr(value,'|'))) {
crop_data(newcol);
if ((newval = strchr(newcol,'|')))
crop_data(newval);
}
}
}
}
if (! (family && value && colmatch && newcol && newval) ) {
ast_log(LOG_ERROR,"Invalid input: usage %s\n",UUSAGE);
res = -1;
} else {
ast_update_realtime(family,colmatch,value,newcol,newval,NULL);
}
LOCAL_USER_REMOVE(u);
return res;
}
static int realtime_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
struct ast_variable *var, *itt;
char *family=NULL, *colmatch=NULL, *value=NULL, *prefix=NULL, *vname=NULL;
size_t len;
if (!data) {
ast_log(LOG_ERROR,"Invalid input: usage %s\n",USAGE);
return -1;
}
LOCAL_USER_ADD(u);
if ((family = ast_strdupa(data))) {
if ((colmatch = strchr(family,'|'))) {
crop_data(colmatch);
if ((value = strchr(colmatch,'|'))) {
crop_data(value);
if ((prefix = strchr(value,'|')))
crop_data(prefix);
}
}
}
if (! (family && value && colmatch) ) {
ast_log(LOG_ERROR,"Invalid input: usage %s\n",USAGE);
res = -1;
} else {
if (option_verbose > 3)
ast_verbose(VERBOSE_PREFIX_4"Realtime Lookup: family:'%s' colmatch:'%s' value:'%s'\n",family,colmatch,value);
if ((var = ast_load_realtime(family, colmatch, value))) {
for (itt = var; itt; itt = itt->next) {
if(prefix) {
len = strlen(prefix) + strlen(itt->name) + 2;
vname = alloca(len);
snprintf(vname,len,"%s%s",prefix,itt->name);
} else
vname = itt->name;
pbx_builtin_setvar_helper(chan, vname, itt->value);
}
ast_destroy_realtime(var);
} else if (option_verbose > 3)
ast_verbose(VERBOSE_PREFIX_4"No Realtime Matches Found.\n");
}
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
ast_unregister_application(uapp);
return ast_unregister_application(app);
}
int load_module(void)
{
ast_register_application(uapp, realtime_update_exec, usynopsis, udesc);
return ast_register_application(app, realtime_exec, synopsis, desc);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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