![markster](/assets/img/avatar_default.png)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@3965 f38db490-d61c-443f-a65b-d21fe96a405b
407 lines
10 KiB
C
Executable file
407 lines
10 KiB
C
Executable file
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Copyright (C) 1999-2004, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* res_config_odbc.c <odbc+odbc plugin for portable configuration engine >
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* Copyright (C) 2004 Anthony Minessale II <anthmct@yahoo.com>
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*/
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#include <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#include <asterisk/pbx.h>
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#include <asterisk/config.h>
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#include <asterisk/config_pvt.h>
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#include <asterisk/module.h>
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#include <asterisk/lock.h>
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#include <asterisk/options.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <asterisk/res_odbc.h>
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#include <asterisk/utils.h>
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static char *tdesc = "ODBC Configuration";
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static struct ast_config_reg reg1;
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static struct ast_variable *realtime_odbc(const char *database, const char *table, va_list ap)
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{
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odbc_obj *obj;
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SQLHSTMT stmt;
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char sql[256];
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char coltitle[256];
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char rowdata[2048];
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const char *newparam, *newval;
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char *stringp;
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char *chunk;
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SQLSMALLINT collen;
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int res;
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int x;
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struct ast_variable *var=NULL, *prev=NULL;
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SQLLEN rowcount=0;
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SQLULEN colsize;
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SQLSMALLINT colcount=0;
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SQLSMALLINT datatype;
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SQLSMALLINT decimaldigits;
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SQLSMALLINT nullable;
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va_list aq;
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va_copy(aq, ap);
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if (!table)
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return NULL;
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obj = fetch_odbc_obj(database);
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if (!obj)
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return NULL;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return NULL;
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}
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newparam = va_arg(aq, const char *);
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if (!newparam) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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newval = va_arg(aq, const char *);
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snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s=?", table, newparam);
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while((newparam = va_arg(aq, const char *))) {
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s=?", newparam);
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newval = va_arg(aq, const char *);
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}
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va_end(aq);
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res = SQLPrepare(stmt, sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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/* Now bind the parameters */
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x = 1;
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while((newparam = va_arg(ap, const char *))) {
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newval = va_arg(ap, const char *);
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
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}
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res = SQLExecute(stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLRowCount(stmt, &rowcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Row Count error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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res = SQLNumResultCols(stmt, &colcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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if (rowcount) {
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res = SQLFetch(stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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for (x=0;x<colcount;x++) {
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rowdata[0] = '\0';
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collen = sizeof(coltitle);
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res = SQLDescribeCol(stmt, x + 1, coltitle, sizeof(coltitle), &collen,
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&datatype, &colsize, &decimaldigits, &nullable);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
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if (var)
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ast_destroy_realtime(var);
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return NULL;
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}
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res = SQLGetData(stmt, x + 1, SQL_CHAR, rowdata, sizeof(rowdata), NULL);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
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if (var)
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ast_destroy_realtime(var);
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return NULL;
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}
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stringp = rowdata;
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while(stringp) {
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chunk = strsep(&stringp, ";");
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if (chunk && !ast_strlen_zero(ast_strip(chunk))) {
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if (prev) {
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prev->next = ast_new_variable(coltitle, chunk);
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if (prev->next)
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prev = prev->next;
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} else
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prev = var = ast_new_variable(coltitle, chunk);
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}
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}
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}
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}
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return var;
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}
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static int update_odbc(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
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{
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odbc_obj *obj;
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SQLHSTMT stmt;
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char sql[256];
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SQLLEN rowcount=0;
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const char *newparam, *newval;
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int res;
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int x;
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va_list aq;
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va_copy(aq, ap);
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if (!table)
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return -1;
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obj = fetch_odbc_obj (database);
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if (!obj)
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return -1;
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return -1;
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}
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newparam = va_arg(aq, const char *);
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if (!newparam) {
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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newval = va_arg(aq, const char *);
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snprintf(sql, sizeof(sql), "UPDATE %s SET %s=?", table, newparam);
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while((newparam = va_arg(aq, const char *))) {
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s=?", newparam);
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newval = va_arg(aq, const char *);
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}
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va_end(aq);
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s=?", keyfield);
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res = SQLPrepare(stmt, sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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/* Now bind the parameters */
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x = 1;
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while((newparam = va_arg(ap, const char *))) {
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newval = va_arg(ap, const char *);
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(newval), 0, (void *)newval, 0, NULL);
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}
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SQLBindParameter(stmt, x++, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(lookup), 0, (void *)lookup, 0, NULL);
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res = SQLExecute(stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return -1;
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}
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res = SQLRowCount(stmt, &rowcount);
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Row Count error!\n[%s]\n\n", sql);
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return -1;
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}
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if (rowcount)
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return 0;
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return -1;
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}
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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)
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{
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struct ast_config *new;
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struct ast_variable *cur_v, *new_v;
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struct ast_category *cur_cat, *new_cat;
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int res = 0;
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odbc_obj *obj;
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SQLINTEGER err=0, commented=0, cat_metric=0, var_metric=0, last_cat_metric=0;
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SQLBIGINT id;
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char sql[255] = "", filename[128], category[128], var_name[128], var_val[128];
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SQLSMALLINT rowcount=0;
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SQLHSTMT stmt;
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char last[80] = "";
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int cat_started = 0;
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int var_started = 0;
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if (!file || !strcmp (file, "res_config_odbc.conf"))
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return NULL; // cant configure myself with myself !
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obj = fetch_odbc_obj(database);
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if (!obj)
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return NULL;
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last[0] = '\0';
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res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
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SQLBindCol (stmt, 1, SQL_C_ULONG, &id, sizeof (id), &err);
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SQLBindCol (stmt, 2, SQL_C_ULONG, &cat_metric, sizeof (cat_metric), &err);
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SQLBindCol (stmt, 3, SQL_C_ULONG, &var_metric, sizeof (var_metric), &err);
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SQLBindCol (stmt, 4, SQL_C_ULONG, &commented, sizeof (commented), &err);
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SQLBindCol (stmt, 5, SQL_C_CHAR, &filename, sizeof (filename), &err);
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SQLBindCol (stmt, 6, SQL_C_CHAR, &category, sizeof (category), &err);
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SQLBindCol (stmt, 7, SQL_C_CHAR, &var_name, sizeof (var_name), &err);
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SQLBindCol (stmt, 8, SQL_C_CHAR, &var_val, sizeof (var_val), &err);
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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);
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res = SQLExecDirect (stmt, sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
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return NULL;
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}
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res = SQLNumResultCols (stmt, &rowcount);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
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return NULL;
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}
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if (new_config_s) {
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new = new_config_s;
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cat_started++;
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} else {
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new = ast_new_config ();
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}
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if (!new) {
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ast_log(LOG_WARNING, "Out of memory!\n");
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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if (rowcount) {
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res = SQLFetch (stmt);
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cat_started = 0;
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cur_cat = *new_cat_p;
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cur_v = *new_v_p;
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if (cur_cat)
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cat_started = 1;
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if (cur_v)
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var_started = 1;
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while (res != SQL_NO_DATA) {
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if (!strcmp (var_name, "#include") && recur < MAX_INCLUDE_LEVEL) {
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config_odbc(database, table, var_val, new, &cur_cat, &cur_v, recur + 1);
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} else {
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if (strcmp (last, category) || last_cat_metric != cat_metric) {
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strncpy(last, category, sizeof(last) - 1);
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last_cat_metric = cat_metric;
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new_cat = (struct ast_category *) ast_new_category (category);
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if (!cat_started) {
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cat_started++;
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new->root = new_cat;
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cur_cat = new->root;
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} else {
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cur_cat->next = new_cat;
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cur_cat = cur_cat->next;
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}
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var_started = 0;
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}
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new_v = ast_new_variable (var_name, var_val);
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if (!var_started) {
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var_started++;
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cur_cat->root = new_v;
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cur_v = cur_cat->root;
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} else {
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cur_v->next = new_v;
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cur_v = cur_v->next;
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}
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}
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// next row
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res = SQLFetch (stmt);
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}
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SQLFreeHandle (SQL_HANDLE_STMT, stmt);
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} else {
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ast_log (LOG_NOTICE, "found nothing\n");
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}
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return new;
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}
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int unload_module (void)
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{
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ast_cust_config_deregister (®1);
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if (option_verbose)
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ast_verbose("res_config_odbc unloaded.\n");
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STANDARD_HANGUP_LOCALUSERS;
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return 0;
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}
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int load_module (void)
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{
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memset (®1, 0, sizeof (struct ast_config_reg));
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strncpy(reg1.name, "odbc", sizeof(reg1.name) - 1);
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reg1.static_func = config_odbc;
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reg1.realtime_func = realtime_odbc;
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reg1.update_func = update_odbc;
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ast_cust_config_register (®1);
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if (option_verbose)
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ast_verbose("res_config_odbc loaded.\n");
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return 0;
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}
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char *description (void)
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{
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return tdesc;
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}
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int usecount (void)
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{
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/* never unload a config module */
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return 1;
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}
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char *key ()
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{
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return ASTERISK_GPL_KEY;
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}
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