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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* res_config_odbc.c <odbc+odbc plugin for portable configuration engine >
* Copyright (C) 2004 Anthony Minessale II <anthmct@yahoo.com>
*/
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <asterisk/pbx.h>
#include <asterisk/config.h>
#include <asterisk/config_pvt.h>
#include <asterisk/module.h>
#include <asterisk/lock.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <asterisk/res_odbc.h>
static char *tdesc = "ODBC Configuration";
static struct ast_config_reg reg1;
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static struct ast_config *config_odbc (char *file, struct ast_config *new_config_s, struct ast_category **new_cat_p, struct ast_variable **new_v_p, int recur
#ifdef PRESERVE_COMMENTS
, struct ast_comment_struct *acs
#endif
)
{
struct ast_config *config, *new;
struct ast_variable *v, *cur_v, *new_v;
struct ast_category *cur_cat, *new_cat;
char table[128] = "";
char connection[128] = "";
int configured = 0, res = 0;
odbc_obj *obj;
SQLINTEGER err=0, commented=0, cat_metric=0, var_metric=0, last_cat_metric=0;
SQLBIGINT id;
char sql[255] = "", filename[128], category[128], var_name[128], var_val[128];
SQLSMALLINT rowcount=0;
SQLHSTMT stmt;
char last[80] = "";
int cat_started = 0;
int var_started = 0;
if (new_config_s) {
new = new_config_s;
cat_started++;
} else {
new = ast_new_config ();
}
last[0] = '\0';
if (!file || !strcmp (file, "res_config_odbc.conf"))
return NULL; // cant configure myself with myself !
config = ast_load ("res_config_odbc.conf");
if (config) {
for (v = ast_variable_browse (config, "settings"); v; v = v->next) {
if (!strcmp (v->name, "table")) {
strncpy(table, v->value, sizeof(table) - 1);
configured++;
} else if (!strcmp (v->name, "connection")) {
strncpy(connection, v->value, sizeof(connection) - 1);
configured++;
}
}
ast_destroy (config);
}
if (configured < 2)
return NULL;
obj = fetch_odbc_obj (connection);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
SQLBindCol (stmt, 1, SQL_C_ULONG, &id, sizeof (id), &err);
SQLBindCol (stmt, 2, SQL_C_ULONG, &cat_metric, sizeof (cat_metric), &err);
SQLBindCol (stmt, 3, SQL_C_ULONG, &var_metric, sizeof (var_metric), &err);
SQLBindCol (stmt, 4, SQL_C_ULONG, &commented, sizeof (commented), &err);
SQLBindCol (stmt, 5, SQL_C_CHAR, &filename, sizeof (filename), &err);
SQLBindCol (stmt, 6, SQL_C_CHAR, &category, sizeof (category), &err);
SQLBindCol (stmt, 7, SQL_C_CHAR, &var_name, sizeof (var_name), &err);
SQLBindCol (stmt, 8, SQL_C_CHAR, &var_val, sizeof (var_val), &err);
snprintf(sql, sizeof(sql), "select * from %s where filename='%s' and commented=0 order by filename,cat_metric desc,var_metric asc,category,var_name,var_val,id", table, file);
res = SQLExecDirect (stmt, sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
return NULL;
}
res = SQLNumResultCols (stmt, &rowcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
return NULL;
}
if (rowcount) {
res = SQLFetch (stmt);
cat_started = 0;
cur_cat = *new_cat_p;
cur_v = *new_v_p;
if (cur_cat)
cat_started = 1;
if (cur_v)
var_started = 1;
while (res != SQL_NO_DATA) {
if (!strcmp (var_name, "#include") && recur < MAX_INCLUDE_LEVEL) {
config_odbc (var_val, new, &cur_cat, &cur_v, recur + 1
#ifdef PRESERVE_COMMENTS
, acs
#endif
);
} else {
if (strcmp (last, category) || last_cat_metric != cat_metric) {
strncpy(last, category, sizeof(last) - 1);
last_cat_metric = cat_metric;
new_cat = (struct ast_category *) ast_new_category (category);
if (!cat_started) {
cat_started++;
new->root = new_cat;
cur_cat = new->root;
} else {
cur_cat->next = new_cat;
cur_cat = cur_cat->next;
}
var_started = 0;
}
new_v = ast_new_variable (var_name, var_val);
if (!var_started) {
var_started++;
cur_cat->root = new_v;
cur_v = cur_cat->root;
} else {
cur_v->next = new_v;
cur_v = cur_v->next;
}
}
// next row
res = SQLFetch (stmt);
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
} else {
ast_log (LOG_NOTICE, "found nothing\n");
}
return new;
}
int unload_module (void)
{
ast_cust_config_deregister (®1);
ast_log (LOG_NOTICE, "res_config_odbc unloaded.\n");
STANDARD_HANGUP_LOCALUSERS;
return 0;
}
int load_module (void)
{
memset (®1, 0, sizeof (struct ast_config_reg));
strncpy(reg1.name, "odbc", sizeof(reg1.name) - 1);
reg1.func = config_odbc;
ast_cust_config_register (®1);
ast_log (LOG_NOTICE, "res_config_odbc loaded.\n");
return 0;
}
char *description (void)
{
return tdesc;
}
int usecount (void)
{
/* never unload a config module */
return 1;
}
char *key ()
{
return ASTERISK_GPL_KEY;
}
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