sysmocom
/
asterisk
11
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
asterisk/res/res_config_odbc.c

544 lines
14 KiB
C
Raw Blame History

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* Copyright (C) 2004 - 2005 Anthony Minessale II <anthmct@yahoo.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief odbc+odbc plugin for portable configuration engine
*
* \author Mark Spencer <markster@digium.com>
* \author Anthony Minessale II <anthmct@yahoo.com>
*
* \arg http://www.unixodbc.org
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/lock.h"
#include "asterisk/options.h"
#include "asterisk/res_odbc.h"
#include "asterisk/utils.h"
static char *tdesc = "ODBC Configuration";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static struct ast_variable *realtime_odbc(const char *database, const char *table, va_list ap)
{
odbc_obj *obj;
SQLHSTMT stmt;
char sql[1024];
char coltitle[256];
char rowdata[2048];
char *op;
const char *newparam, *newval;
char *stringp;
char *chunk;
SQLSMALLINT collen;
int res;
int x;
struct ast_variable *var=NULL, *prev=NULL;
SQLULEN colsize;
SQLSMALLINT colcount=0;
SQLSMALLINT datatype;
SQLSMALLINT decimaldigits;
SQLSMALLINT nullable;
SQLINTEGER indicator;
va_list aq;
va_copy(aq, ap);
if (!table)
return NULL;
obj = fetch_odbc_obj(database, 0);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
return NULL;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
newval = va_arg(aq, const char *);
if (!strchr(newparam, ' ')) op = " ="; else op = "";
snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s ?", table, newparam, op);
while((newparam = va_arg(aq, const char *))) {
if (!strchr(newparam, ' ')) op = " ="; else op = "";
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s ?", newparam, op);
newval = va_arg(aq, const char *);
}
va_end(aq);
res = SQLPrepare(stmt, sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
/* Now bind the parameters */
x = 1;
while((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
}
res = odbc_smart_execute(obj, stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
res = SQLNumResultCols(stmt, &colcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
res = SQLFetch(stmt);
if (res == SQL_NO_DATA) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
for (x=0;x<colcount;x++) {
rowdata[0] = '\0';
collen = sizeof(coltitle);
res = SQLDescribeCol(stmt, x + 1, coltitle, sizeof(coltitle), &collen,
&datatype, &colsize, &decimaldigits, &nullable);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
if (var)
ast_variables_destroy(var);
return NULL;
}
indicator = 0;
res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), &indicator);
if (indicator == SQL_NULL_DATA)
continue;
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
if (var)
ast_variables_destroy(var);
return NULL;
}
stringp = rowdata;
while(stringp) {
chunk = strsep(&stringp, ";");
if (!ast_strlen_zero(ast_strip(chunk))) {
if (prev) {
prev->next = ast_variable_new(coltitle, chunk);
if (prev->next)
prev = prev->next;
} else
prev = var = ast_variable_new(coltitle, chunk);
}
}
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return var;
}
static struct ast_config *realtime_multi_odbc(const char *database, const char *table, va_list ap)
{
odbc_obj *obj;
SQLHSTMT stmt;
char sql[1024];
char coltitle[256];
char rowdata[2048];
const char *initfield=NULL;
char *op;
const char *newparam, *newval;
char *stringp;
char *chunk;
SQLSMALLINT collen;
int res;
int x;
struct ast_variable *var=NULL;
struct ast_config *cfg=NULL;
struct ast_category *cat=NULL;
struct ast_realloca ra;
SQLULEN colsize;
SQLSMALLINT colcount=0;
SQLSMALLINT datatype;
SQLSMALLINT decimaldigits;
SQLSMALLINT nullable;
SQLINTEGER indicator;
va_list aq;
va_copy(aq, ap);
if (!table)
return NULL;
memset(&ra, 0, sizeof(ra));
obj = fetch_odbc_obj(database, 0);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
return NULL;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
initfield = ast_strdupa(newparam);
if (initfield && (op = strchr(initfield, ' ')))
*op = '\0';
newval = va_arg(aq, const char *);
if (!strchr(newparam, ' ')) op = " ="; else op = "";
snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s ?", table, newparam, op);
while((newparam = va_arg(aq, const char *))) {
if (!strchr(newparam, ' ')) op = " ="; else op = "";
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s ?", newparam, op);
newval = va_arg(aq, const char *);
}
if (initfield)
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ORDER BY %s", initfield);
va_end(aq);
res = SQLPrepare(stmt, sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
/* Now bind the parameters */
x = 1;
while((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
}
res = odbc_smart_execute(obj, stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
res = SQLNumResultCols(stmt, &colcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
cfg = ast_config_new();
if (!cfg) {
ast_log(LOG_WARNING, "Out of memory!\n");
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
while ((res=SQLFetch(stmt)) != SQL_NO_DATA) {
var = NULL;
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
continue;
}
cat = ast_category_new("");
if (!cat) {
ast_log(LOG_WARNING, "Out of memory!\n");
continue;
}
for (x=0;x<colcount;x++) {
rowdata[0] = '\0';
collen = sizeof(coltitle);
res = SQLDescribeCol(stmt, x + 1, coltitle, sizeof(coltitle), &collen,
&datatype, &colsize, &decimaldigits, &nullable);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
ast_category_destroy(cat);
continue;
}
indicator = 0;
res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), &indicator);
if (indicator == SQL_NULL_DATA)
continue;
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
ast_category_destroy(cat);
continue;
}
stringp = rowdata;
while(stringp) {
chunk = strsep(&stringp, ";");
if (!ast_strlen_zero(ast_strip(chunk))) {
if (initfield && !strcmp(initfield, coltitle))
ast_category_rename(cat, chunk);
var = ast_variable_new(coltitle, chunk);
ast_variable_append(cat, var);
}
}
}
ast_category_append(cfg, cat);
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return cfg;
}
static int update_odbc(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
{
odbc_obj *obj;
SQLHSTMT stmt;
char sql[256];
SQLLEN rowcount=0;
const char *newparam, *newval;
int res;
int x;
va_list aq;
va_copy(aq, ap);
if (!table)
return -1;
obj = fetch_odbc_obj (database, 0);
if (!obj)
return -1;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
return -1;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return -1;
}
newval = va_arg(aq, const char *);
snprintf(sql, sizeof(sql), "UPDATE %s SET %s=?", table, newparam);
while((newparam = va_arg(aq, const char *))) {
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s=?", newparam);
newval = va_arg(aq, const char *);
}
va_end(aq);
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s=?", keyfield);
res = SQLPrepare(stmt, sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return -1;
}
/* Now bind the parameters */
x = 1;
while((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
}
SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(lookup), 0, (void *)lookup, 0, NULL);
res = odbc_smart_execute(obj, stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return -1;
}
res = SQLRowCount(stmt, &rowcount);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Row Count error!\n[%s]\n\n", sql);
return -1;
}
if (rowcount >= 0)
return (int)rowcount;
return -1;
}
static struct ast_config *config_odbc(const char *database, const char *table, const char *file, struct ast_config *cfg)
{
struct ast_variable *new_v;
struct ast_category *cur_cat;
int 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[512];
SQLSMALLINT rowcount=0;
SQLHSTMT stmt;
char last[128] = "";
if (!file || !strcmp (file, "res_config_odbc.conf"))
return NULL; /* cant configure myself with myself ! */
obj = fetch_odbc_obj(database, 0);
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 = odbc_smart_direct_execute(obj, stmt, sql);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
res = SQLNumResultCols (stmt, &rowcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL NumResultCols error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
if (!rowcount) {
ast_log (LOG_NOTICE, "found nothing\n");
return cfg;
}
cur_cat = ast_config_get_current_category(cfg);
while ((res = SQLFetch(stmt)) != SQL_NO_DATA) {
if (!strcmp (var_name, "#include")) {
if (!ast_config_internal_load(var_val, cfg)) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return NULL;
}
continue;
}
if (strcmp(last, category) || last_cat_metric != cat_metric) {
cur_cat = ast_category_new(category);
if (!cur_cat) {
ast_log(LOG_WARNING, "Out of memory!\n");
break;
}
strcpy(last, category);
last_cat_metric = cat_metric;
ast_category_append(cfg, cur_cat);
}
new_v = ast_variable_new(var_name, var_val);
ast_variable_append(cur_cat, new_v);
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
return cfg;
}
static struct ast_config_engine odbc_engine = {
.name = "odbc",
.load_func = config_odbc,
.realtime_func = realtime_odbc,
.realtime_multi_func = realtime_multi_odbc,
.update_func = update_odbc
};
int unload_module (void)
{
ast_config_engine_deregister(&odbc_engine);
if (option_verbose)
ast_verbose("res_config_odbc unloaded.\n");
STANDARD_HANGUP_LOCALUSERS;
return 0;
}
int load_module (void)
{
ast_config_engine_register(&odbc_engine);
if (option_verbose)
ast_verbose("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;
}
Reference in New Issue View Git Blame Copy Permalink