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asterisk/res/res_config_odbc.c
Mark Spencer b3a0ef24ed Fix comment issues (bug #3089) 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4479 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2004-12-18 22:04:07 +00:00

571 lines
15 KiB
C
Executable File
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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Copyright (C) 1999-2004, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* 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 <asterisk/options.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <asterisk/res_odbc.h>
#include <asterisk/utils.h>
static char *tdesc = "ODBC Configuration";
static struct ast_config_reg reg1;
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;
SQLLEN rowcount=0;
SQLULEN colsize;
SQLSMALLINT colcount=0;
SQLSMALLINT datatype;
SQLSMALLINT decimaldigits;
SQLSMALLINT nullable;
va_list aq;
va_copy(aq, ap);
if (!table)
return NULL;
obj = fetch_odbc_obj(database);
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 = SQLExecute(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 = SQLRowCount(stmt, &rowcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Row Count 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;
}
if (rowcount) {
res = SQLFetch(stmt);
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_destroy_realtime(var);
return NULL;
}
res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), NULL);
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_destroy_realtime(var);
return NULL;
}
stringp = rowdata;
while(stringp) {
chunk = strsep(&stringp, ";");
if (chunk && !ast_strlen_zero(ast_strip(chunk))) {
if (prev) {
prev->next = ast_new_variable(coltitle, chunk);
if (prev->next)
prev = prev->next;
} else
prev = var = ast_new_variable(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];
char *title=NULL;
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, *prev=NULL;
struct ast_config *cfg=NULL;
struct ast_category *cat=NULL;
SQLLEN rowcount=0;
SQLULEN colsize;
SQLSMALLINT colcount=0;
SQLSMALLINT datatype;
SQLSMALLINT decimaldigits;
SQLSMALLINT nullable;
va_list aq;
va_copy(aq, ap);
if (!table)
return NULL;
obj = fetch_odbc_obj(database);
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 = SQLExecute(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 = SQLRowCount(stmt, &rowcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Row Count 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;
}
while (rowcount--) {
var = NULL;
prev = NULL;
res = SQLFetch(stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
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);
if (var)
ast_destroy_realtime(var);
continue;
}
res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), NULL);
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_destroy_realtime(var);
continue;
}
stringp = rowdata;
while(stringp) {
chunk = strsep(&stringp, ";");
if (chunk && !ast_strlen_zero(ast_strip(chunk))) {
if (initfield && !strcmp(initfield, coltitle) && !title)
title = ast_strdupa(chunk);
if (prev) {
prev->next = ast_new_variable(coltitle, chunk);
if (prev->next)
prev = prev->next;
} else
prev = var = ast_new_variable(coltitle, chunk);
}
}
}
if (var) {
cat = ast_new_category(title ? title : "");
if (cat) {
cat->root = var;
if (!cfg)
cfg = ast_new_config();
if (cfg)
ast_category_append(cfg, cat);
else
ast_category_destroy(cat);
} else {
ast_log(LOG_WARNING, "Out of memory!\n");
ast_destroy_realtime(var);
}
}
}
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);
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 = SQLExecute(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)
return 0;
return -1;
}
static struct ast_config *config_odbc (const char *database, const char *table, const char *file, struct ast_config *new_config_s, struct ast_category **new_cat_p, struct ast_variable **new_v_p, int recur)
{
struct ast_config *new;
struct ast_variable *cur_v, *new_v;
struct ast_category *cur_cat, *new_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[80] = "";
int cat_started = 0;
int var_started = 0;
if (!file || !strcmp (file, "res_config_odbc.conf"))
return NULL; /* cant configure myself with myself ! */
obj = fetch_odbc_obj(database);
if (!obj)
return NULL;
last[0] = '\0';
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 (new_config_s) {
new = new_config_s;
cat_started++;
} else {
new = ast_new_config ();
}
if (!new) {
ast_log(LOG_WARNING, "Out of memory!\n");
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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(database, table, var_val, new, &cur_cat, &cur_v, recur + 1);
} 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 (&reg1);
if (option_verbose)
ast_verbose("res_config_odbc unloaded.\n");
STANDARD_HANGUP_LOCALUSERS;
return 0;
}
int load_module (void)
{
memset (&reg1, 0, sizeof (struct ast_config_reg));
strncpy(reg1.name, "odbc", sizeof(reg1.name) - 1);
reg1.static_func = config_odbc;
reg1.realtime_func = realtime_odbc;
reg1.realtime_multi_func = realtime_multi_odbc;
reg1.update_func = update_odbc;
ast_cust_config_register (&reg1);
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;
}
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