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e747412f1f
https://origsvn.digium.com/svn/asterisk/trunk ........ r145076 | tilghman | 2008-09-28 16:39:07 -0500 (Sun, 28 Sep 2008) | 4 lines Change several improper "sizeof" to "strlen", as sizeof in that context would incorrectly use the size of a pointer, rather than the length of a string. (Closes issue #13574) ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@145123 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1031 lines
32 KiB
C
1031 lines
32 KiB
C
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Copyright (C) 1999-2005, Digium, Inc.
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*
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* Manuel Guesdon <mguesdon@oxymium.net> - PostgreSQL RealTime Driver Author/Adaptor
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* Mark Spencer <markster@digium.com> - Asterisk Author
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* Matthew Boehm <mboehm@cytelcom.com> - MySQL RealTime Driver Author
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*
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* res_config_pgsql.c <PostgreSQL plugin for RealTime configuration engine>
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*
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* v1.0 - (07-11-05) - Initial version based on res_config_mysql v2.0
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*/
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/*! \file
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*
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* \brief PostgreSQL plugin for Asterisk RealTime Architecture
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*
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* \author Mark Spencer <markster@digium.com>
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* \author Manuel Guesdon <mguesdon@oxymium.net> - PostgreSQL RealTime Driver Author/Adaptor
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*
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* \arg http://www.postgresql.org
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*/
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/*** MODULEINFO
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<depend>pgsql</depend>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <libpq-fe.h> /* PostgreSQL */
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#include "asterisk/file.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/module.h"
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#include "asterisk/lock.h"
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#include "asterisk/utils.h"
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#include "asterisk/cli.h"
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AST_MUTEX_DEFINE_STATIC(pgsql_lock);
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#define RES_CONFIG_PGSQL_CONF "res_pgsql.conf"
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PGconn *pgsqlConn = NULL;
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#define MAX_DB_OPTION_SIZE 64
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static char dbhost[MAX_DB_OPTION_SIZE] = "";
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static char dbuser[MAX_DB_OPTION_SIZE] = "";
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static char dbpass[MAX_DB_OPTION_SIZE] = "";
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static char dbname[MAX_DB_OPTION_SIZE] = "";
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static char dbsock[MAX_DB_OPTION_SIZE] = "";
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static int dbport = 5432;
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static time_t connect_time = 0;
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static int parse_config(int reload);
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static int pgsql_reconnect(const char *database);
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static char *handle_cli_realtime_pgsql_status(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
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static struct ast_cli_entry cli_realtime[] = {
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AST_CLI_DEFINE(handle_cli_realtime_pgsql_status, "Shows connection information for the PostgreSQL RealTime driver"),
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};
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static struct ast_variable *realtime_pgsql(const char *database, const char *table, va_list ap)
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{
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PGresult *result = NULL;
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int num_rows = 0, pgerror;
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char sql[256], escapebuf[513];
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char *stringp;
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char *chunk;
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char *op;
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const char *newparam, *newval;
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struct ast_variable *var = NULL, *prev = NULL;
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if (!table) {
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ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
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return NULL;
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}
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/* Get the first parameter and first value in our list of passed paramater/value pairs */
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newparam = va_arg(ap, const char *);
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newval = va_arg(ap, const char *);
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if (!newparam || !newval) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
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if (pgsqlConn) {
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PQfinish(pgsqlConn);
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pgsqlConn = NULL;
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};
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return NULL;
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}
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/* Create the first part of the query using the first parameter/value pairs we just extracted
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If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
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op = strchr(newparam, ' ') ? "" : " =";
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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return NULL;
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}
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snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s '%s'", table, newparam, op,
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escapebuf);
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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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if (!strchr(newparam, ' '))
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op = " =";
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else
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op = "";
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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return NULL;
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}
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
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op, escapebuf);
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}
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va_end(ap);
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/* We now have our complete statement; Lets connect to the server and execute it. */
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ast_mutex_lock(&pgsql_lock);
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if (!pgsql_reconnect(database)) {
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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}
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if (!(result = PQexec(pgsqlConn, sql))) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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} else {
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ExecStatusType result_status = PQresultStatus(result);
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if (result_status != PGRES_COMMAND_OK
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&& result_status != PGRES_TUPLES_OK
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&& result_status != PGRES_NONFATAL_ERROR) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
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PQresultErrorMessage(result), PQresStatus(result_status));
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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}
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}
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ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, sql);
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if ((num_rows = PQntuples(result)) > 0) {
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int i = 0;
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int rowIndex = 0;
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int numFields = PQnfields(result);
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char **fieldnames = NULL;
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ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
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if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
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ast_mutex_unlock(&pgsql_lock);
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PQclear(result);
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return NULL;
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}
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for (i = 0; i < numFields; i++)
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fieldnames[i] = PQfname(result, i);
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for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
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for (i = 0; i < numFields; i++) {
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stringp = PQgetvalue(result, rowIndex, i);
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while (stringp) {
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chunk = strsep(&stringp, ";");
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if (!ast_strlen_zero(ast_strip(chunk))) {
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if (prev) {
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prev->next = ast_variable_new(fieldnames[i], chunk, "");
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if (prev->next) {
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prev = prev->next;
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}
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} else {
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prev = var = ast_variable_new(fieldnames[i], chunk, "");
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}
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}
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}
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}
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}
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ast_free(fieldnames);
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} else {
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ast_debug(1, "Postgresql RealTime: Could not find any rows in table %s.\n", table);
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}
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ast_mutex_unlock(&pgsql_lock);
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PQclear(result);
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return var;
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}
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static struct ast_config *realtime_multi_pgsql(const char *database, const char *table, va_list ap)
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{
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PGresult *result = NULL;
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int num_rows = 0, pgerror;
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char sql[256], escapebuf[513];
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const char *initfield = NULL;
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char *stringp;
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char *chunk;
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char *op;
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const char *newparam, *newval;
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struct ast_variable *var = NULL;
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struct ast_config *cfg = NULL;
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struct ast_category *cat = NULL;
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if (!table) {
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ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
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return NULL;
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}
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if (!(cfg = ast_config_new()))
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return NULL;
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/* Get the first parameter and first value in our list of passed paramater/value pairs */
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newparam = va_arg(ap, const char *);
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newval = va_arg(ap, const char *);
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if (!newparam || !newval) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
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if (pgsqlConn) {
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PQfinish(pgsqlConn);
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pgsqlConn = NULL;
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};
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return NULL;
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}
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initfield = ast_strdupa(newparam);
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if ((op = strchr(initfield, ' '))) {
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*op = '\0';
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}
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/* Create the first part of the query using the first parameter/value pairs we just extracted
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If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
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if (!strchr(newparam, ' '))
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op = " =";
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else
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op = "";
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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return NULL;
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}
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snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s '%s'", table, newparam, op,
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escapebuf);
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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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if (!strchr(newparam, ' '))
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op = " =";
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else
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op = "";
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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return NULL;
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}
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
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op, escapebuf);
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}
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if (initfield) {
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ORDER BY %s", initfield);
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}
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va_end(ap);
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/* We now have our complete statement; Lets connect to the server and execute it. */
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ast_mutex_lock(&pgsql_lock);
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if (!pgsql_reconnect(database)) {
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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}
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if (!(result = PQexec(pgsqlConn, sql))) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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} else {
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ExecStatusType result_status = PQresultStatus(result);
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if (result_status != PGRES_COMMAND_OK
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&& result_status != PGRES_TUPLES_OK
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&& result_status != PGRES_NONFATAL_ERROR) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
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PQresultErrorMessage(result), PQresStatus(result_status));
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ast_mutex_unlock(&pgsql_lock);
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return NULL;
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}
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}
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ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, sql);
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if ((num_rows = PQntuples(result)) > 0) {
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int numFields = PQnfields(result);
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int i = 0;
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int rowIndex = 0;
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char **fieldnames = NULL;
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ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
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if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
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ast_mutex_unlock(&pgsql_lock);
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PQclear(result);
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return NULL;
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}
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for (i = 0; i < numFields; i++)
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fieldnames[i] = PQfname(result, i);
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for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
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var = NULL;
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if (!(cat = ast_category_new("","",99999)))
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continue;
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for (i = 0; i < numFields; i++) {
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stringp = PQgetvalue(result, rowIndex, i);
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while (stringp) {
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chunk = strsep(&stringp, ";");
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if (!ast_strlen_zero(ast_strip(chunk))) {
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if (initfield && !strcmp(initfield, fieldnames[i])) {
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ast_category_rename(cat, chunk);
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}
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var = ast_variable_new(fieldnames[i], chunk, "");
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ast_variable_append(cat, var);
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}
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}
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}
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ast_category_append(cfg, cat);
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}
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ast_free(fieldnames);
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} else {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
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}
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ast_mutex_unlock(&pgsql_lock);
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PQclear(result);
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return cfg;
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}
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static int update_pgsql(const char *database, const char *table, const char *keyfield,
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const char *lookup, va_list ap)
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{
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PGresult *result = NULL;
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int numrows = 0, pgerror;
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char sql[256], escapebuf[513];
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const char *newparam, *newval;
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if (!table) {
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ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
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return -1;
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}
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/* Get the first parameter and first value in our list of passed paramater/value pairs */
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newparam = va_arg(ap, const char *);
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newval = va_arg(ap, const char *);
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if (!newparam || !newval) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
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if (pgsqlConn) {
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PQfinish(pgsqlConn);
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pgsqlConn = NULL;
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};
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return -1;
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}
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/* Create the first part of the query using the first parameter/value pairs we just extracted
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If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return -1;
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}
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snprintf(sql, sizeof(sql), "UPDATE %s SET %s = '%s'", table, newparam, escapebuf);
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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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PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
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va_end(ap);
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return -1;
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}
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s = '%s'", newparam,
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escapebuf);
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}
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va_end(ap);
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PQescapeStringConn(pgsqlConn, escapebuf, lookup, (sizeof(escapebuf) - 1) / 2, &pgerror);
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if (pgerror) {
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ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", lookup);
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va_end(ap);
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return -1;
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}
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snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s = '%s'", keyfield,
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escapebuf);
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ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", sql);
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/* We now have our complete statement; Lets connect to the server and execute it. */
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ast_mutex_lock(&pgsql_lock);
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if (!pgsql_reconnect(database)) {
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ast_mutex_unlock(&pgsql_lock);
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return -1;
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}
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if (!(result = PQexec(pgsqlConn, sql))) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
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ast_mutex_unlock(&pgsql_lock);
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return -1;
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} else {
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ExecStatusType result_status = PQresultStatus(result);
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if (result_status != PGRES_COMMAND_OK
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&& result_status != PGRES_TUPLES_OK
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&& result_status != PGRES_NONFATAL_ERROR) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
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ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
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PQresultErrorMessage(result), PQresStatus(result_status));
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ast_mutex_unlock(&pgsql_lock);
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return -1;
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}
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}
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numrows = atoi(PQcmdTuples(result));
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ast_mutex_unlock(&pgsql_lock);
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ast_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, table);
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/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
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* An integer greater than zero indicates the number of rows affected
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* Zero indicates that no records were updated
|
|
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
|
|
*/
|
|
|
|
if (numrows >= 0)
|
|
return (int) numrows;
|
|
|
|
return -1;
|
|
}
|
|
|
|
#define ESCAPE_STRING(buffer, stringname) \
|
|
do { \
|
|
int len; \
|
|
if ((len = strlen(stringname)) > (buffer->len - 1) / 2) { \
|
|
ast_str_make_space(&buffer, len * 2 + 1); \
|
|
} \
|
|
PQescapeStringConn(pgsqlConn, buffer->str, stringname, len, &pgresult); \
|
|
} while (0)
|
|
|
|
static int store_pgsql(const char *database, const char *table, va_list ap)
|
|
{
|
|
PGresult *result = NULL;
|
|
Oid insertid;
|
|
struct ast_str *buf = ast_str_create(256);
|
|
struct ast_str *sql1 = ast_str_create(256);
|
|
struct ast_str *sql2 = ast_str_create(256);
|
|
int pgresult;
|
|
const char *newparam, *newval;
|
|
|
|
if (!table) {
|
|
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Get the first parameter and first value in our list of passed paramater/value pairs */
|
|
newparam = va_arg(ap, const char *);
|
|
newval = va_arg(ap, const char *);
|
|
if (!newparam || !newval) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Realtime storage requires at least 1 parameter and 1 value to store.\n");
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
/* Must connect to the server before anything else, as the escape function requires the connection handle.. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
if (!pgsql_reconnect(database)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
|
|
/* Create the first part of the query using the first parameter/value pairs we just extracted
|
|
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
|
|
ESCAPE_STRING(buf, newparam);
|
|
ast_str_set(&sql1, 0, "INSERT INTO %s (%s", table, buf->str);
|
|
ESCAPE_STRING(buf, newval);
|
|
ast_str_set(&sql2, 0, ") VALUES ('%s'", buf->str);
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
newval = va_arg(ap, const char *);
|
|
ESCAPE_STRING(buf, newparam);
|
|
ast_str_append(&sql1, 0, ", %s", buf->str);
|
|
ESCAPE_STRING(buf, newval);
|
|
ast_str_append(&sql2, 0, ", '%s'", buf->str);
|
|
}
|
|
va_end(ap);
|
|
ast_str_append(&sql1, 0, "%s)", sql2->str);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Insert SQL: %s\n", sql1->str);
|
|
|
|
if (!(result = PQexec(pgsqlConn, sql1->str))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql1->str);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql1);
|
|
ast_free(sql2);
|
|
ast_free(buf);
|
|
return -1;
|
|
} else {
|
|
ExecStatusType result_status = PQresultStatus(result);
|
|
if (result_status != PGRES_COMMAND_OK
|
|
&& result_status != PGRES_TUPLES_OK
|
|
&& result_status != PGRES_NONFATAL_ERROR) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql1->str);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql1);
|
|
ast_free(sql2);
|
|
ast_free(buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
insertid = PQoidValue(result);
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql1);
|
|
ast_free(sql2);
|
|
ast_free(buf);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: row inserted on table: %s, id: %u\n", table, insertid);
|
|
|
|
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
|
|
* An integer greater than zero indicates the number of rows affected
|
|
* Zero indicates that no records were updated
|
|
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
|
|
*/
|
|
|
|
if (insertid >= 0)
|
|
return (int) insertid;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int destroy_pgsql(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
|
|
{
|
|
PGresult *result = NULL;
|
|
int numrows = 0;
|
|
int pgresult;
|
|
struct ast_str *sql = ast_str_create(256);
|
|
struct ast_str *buf1 = ast_str_create(60), *buf2 = ast_str_create(60);
|
|
const char *newparam, *newval;
|
|
|
|
if (!table) {
|
|
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Get the first parameter and first value in our list of passed paramater/value pairs */
|
|
/*newparam = va_arg(ap, const char *);
|
|
newval = va_arg(ap, const char *);
|
|
if (!newparam || !newval) {*/
|
|
if (ast_strlen_zero(keyfield) || ast_strlen_zero(lookup)) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Realtime destroy requires at least 1 parameter and 1 value to search on.\n");
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
};
|
|
return -1;
|
|
}
|
|
|
|
/* Must connect to the server before anything else, as the escape function requires the connection handle.. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
if (!pgsql_reconnect(database)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* Create the first part of the query using the first parameter/value pairs we just extracted
|
|
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
|
|
|
|
ESCAPE_STRING(buf1, keyfield);
|
|
ESCAPE_STRING(buf2, lookup);
|
|
ast_str_set(&sql, 0, "DELETE FROM %s WHERE %s = '%s'", table, buf1->str, buf2->str);
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
newval = va_arg(ap, const char *);
|
|
ESCAPE_STRING(buf1, newparam);
|
|
ESCAPE_STRING(buf2, newval);
|
|
ast_str_append(&sql, 0, " AND %s = '%s'", buf1->str, buf2->str);
|
|
}
|
|
va_end(ap);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Delete SQL: %s\n", sql->str);
|
|
|
|
if (!(result = PQexec(pgsqlConn, sql->str))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql->str);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(buf1);
|
|
ast_free(buf2);
|
|
ast_free(sql);
|
|
return -1;
|
|
} else {
|
|
ExecStatusType result_status = PQresultStatus(result);
|
|
if (result_status != PGRES_COMMAND_OK
|
|
&& result_status != PGRES_TUPLES_OK
|
|
&& result_status != PGRES_NONFATAL_ERROR) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql->str);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(buf1);
|
|
ast_free(buf2);
|
|
ast_free(sql);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
numrows = atoi(PQcmdTuples(result));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(buf1);
|
|
ast_free(buf2);
|
|
ast_free(sql);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Deleted %d rows on table: %s\n", numrows, table);
|
|
|
|
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
|
|
* An integer greater than zero indicates the number of rows affected
|
|
* Zero indicates that no records were updated
|
|
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
|
|
*/
|
|
|
|
if (numrows >= 0)
|
|
return (int) numrows;
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
static struct ast_config *config_pgsql(const char *database, const char *table,
|
|
const char *file, struct ast_config *cfg,
|
|
struct ast_flags flags, const char *suggested_incl, const char *who_asked)
|
|
{
|
|
PGresult *result = NULL;
|
|
long num_rows;
|
|
struct ast_variable *new_v;
|
|
struct ast_category *cur_cat = NULL;
|
|
char sqlbuf[1024] = "";
|
|
char *sql = sqlbuf;
|
|
size_t sqlleft = sizeof(sqlbuf);
|
|
char last[80] = "";
|
|
int last_cat_metric = 0;
|
|
|
|
last[0] = '\0';
|
|
|
|
if (!file || !strcmp(file, RES_CONFIG_PGSQL_CONF)) {
|
|
ast_log(LOG_WARNING, "PostgreSQL RealTime: Cannot configure myself.\n");
|
|
return NULL;
|
|
}
|
|
|
|
ast_build_string(&sql, &sqlleft, "SELECT category, var_name, var_val, cat_metric FROM %s ", table);
|
|
ast_build_string(&sql, &sqlleft, "WHERE filename='%s' and commented=0", file);
|
|
ast_build_string(&sql, &sqlleft, "ORDER BY cat_metric DESC, var_metric ASC, category, var_name ");
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Static SQL: %s\n", sqlbuf);
|
|
|
|
/* We now have our complete statement; Lets connect to the server and execute it. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
if (!pgsql_reconnect(database)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(result = PQexec(pgsqlConn, sqlbuf))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return NULL;
|
|
} else {
|
|
ExecStatusType result_status = PQresultStatus(result);
|
|
if (result_status != PGRES_COMMAND_OK
|
|
&& result_status != PGRES_TUPLES_OK
|
|
&& result_status != PGRES_NONFATAL_ERROR) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if ((num_rows = PQntuples(result)) > 0) {
|
|
int rowIndex = 0;
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Found %ld rows.\n", num_rows);
|
|
|
|
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
|
|
char *field_category = PQgetvalue(result, rowIndex, 0);
|
|
char *field_var_name = PQgetvalue(result, rowIndex, 1);
|
|
char *field_var_val = PQgetvalue(result, rowIndex, 2);
|
|
char *field_cat_metric = PQgetvalue(result, rowIndex, 3);
|
|
if (!strcmp(field_var_name, "#include")) {
|
|
if (!ast_config_internal_load(field_var_val, cfg, flags, "", who_asked)) {
|
|
PQclear(result);
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return NULL;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strcmp(last, field_category) || last_cat_metric != atoi(field_cat_metric)) {
|
|
cur_cat = ast_category_new(field_category, "", 99999);
|
|
if (!cur_cat)
|
|
break;
|
|
strcpy(last, field_category);
|
|
last_cat_metric = atoi(field_cat_metric);
|
|
ast_category_append(cfg, cur_cat);
|
|
}
|
|
new_v = ast_variable_new(field_var_name, field_var_val, "");
|
|
ast_variable_append(cur_cat, new_v);
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Could not find config '%s' in database.\n", file);
|
|
}
|
|
|
|
PQclear(result);
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return cfg;
|
|
}
|
|
|
|
static struct ast_config_engine pgsql_engine = {
|
|
.name = "pgsql",
|
|
.load_func = config_pgsql,
|
|
.realtime_func = realtime_pgsql,
|
|
.realtime_multi_func = realtime_multi_pgsql,
|
|
.store_func = store_pgsql,
|
|
.destroy_func = destroy_pgsql,
|
|
.update_func = update_pgsql
|
|
};
|
|
|
|
static int load_module(void)
|
|
{
|
|
if(!parse_config(0))
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
|
|
ast_config_engine_register(&pgsql_engine);
|
|
ast_verb(1, "PostgreSQL RealTime driver loaded.\n");
|
|
ast_cli_register_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
/* Acquire control before doing anything to the module itself. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
ast_cli_unregister_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
|
|
ast_config_engine_deregister(&pgsql_engine);
|
|
ast_verb(1, "PostgreSQL RealTime unloaded.\n");
|
|
|
|
/* Unlock so something else can destroy the lock. */
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
parse_config(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_config(int reload)
|
|
{
|
|
struct ast_config *config;
|
|
const char *s;
|
|
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
|
|
|
|
if ((config = ast_config_load(RES_CONFIG_PGSQL_CONF, config_flags)) == CONFIG_STATUS_FILEUNCHANGED)
|
|
return 0;
|
|
|
|
if (!config) {
|
|
ast_log(LOG_WARNING, "Unable to load config %s\n", RES_CONFIG_PGSQL_CONF);
|
|
return 0;
|
|
}
|
|
|
|
ast_mutex_lock(&pgsql_lock);
|
|
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "dbuser"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database user found, using 'asterisk' as default.\n");
|
|
strcpy(dbuser, "asterisk");
|
|
} else {
|
|
ast_copy_string(dbuser, s, sizeof(dbuser));
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "dbpass"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database password found, using 'asterisk' as default.\n");
|
|
strcpy(dbpass, "asterisk");
|
|
} else {
|
|
ast_copy_string(dbpass, s, sizeof(dbpass));
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "dbhost"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database host found, using localhost via socket.\n");
|
|
dbhost[0] = '\0';
|
|
} else {
|
|
ast_copy_string(dbhost, s, sizeof(dbhost));
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "dbname"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database name found, using 'asterisk' as default.\n");
|
|
strcpy(dbname, "asterisk");
|
|
} else {
|
|
ast_copy_string(dbname, s, sizeof(dbname));
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "dbport"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database port found, using 5432 as default.\n");
|
|
dbport = 5432;
|
|
} else {
|
|
dbport = atoi(s);
|
|
}
|
|
|
|
if (!ast_strlen_zero(dbhost)) {
|
|
/* No socket needed */
|
|
} else if (!(s = ast_variable_retrieve(config, "general", "dbsock"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: No database socket found, using '/tmp/pgsql.sock' as default.\n");
|
|
strcpy(dbsock, "/tmp/pgsql.sock");
|
|
} else {
|
|
ast_copy_string(dbsock, s, sizeof(dbsock));
|
|
}
|
|
ast_config_destroy(config);
|
|
|
|
if (option_debug) {
|
|
if (!ast_strlen_zero(dbhost)) {
|
|
ast_debug(1, "PostgreSQL RealTime Host: %s\n", dbhost);
|
|
ast_debug(1, "PostgreSQL RealTime Port: %i\n", dbport);
|
|
} else {
|
|
ast_debug(1, "PostgreSQL RealTime Socket: %s\n", dbsock);
|
|
}
|
|
ast_debug(1, "PostgreSQL RealTime User: %s\n", dbuser);
|
|
ast_debug(1, "PostgreSQL RealTime Password: %s\n", dbpass);
|
|
ast_debug(1, "PostgreSQL RealTime DBName: %s\n", dbname);
|
|
}
|
|
|
|
if (!pgsql_reconnect(NULL)) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Couldn't establish connection. Check debug.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Cannot Connect: %s\n", PQerrorMessage(pgsqlConn));
|
|
}
|
|
|
|
ast_verb(2, "PostgreSQL RealTime reloaded.\n");
|
|
|
|
/* Done reloading. Release lock so others can now use driver. */
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int pgsql_reconnect(const char *database)
|
|
{
|
|
char my_database[50];
|
|
|
|
ast_copy_string(my_database, S_OR(database, dbname), sizeof(my_database));
|
|
|
|
/* mutex lock should have been locked before calling this function. */
|
|
|
|
if (pgsqlConn && PQstatus(pgsqlConn) != CONNECTION_OK) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
|
|
/* DB password can legitimately be 0-length */
|
|
if ((!pgsqlConn) && (!ast_strlen_zero(dbhost) || !ast_strlen_zero(dbsock)) && !ast_strlen_zero(dbuser) && !ast_strlen_zero(my_database)) {
|
|
struct ast_str *connInfo = ast_str_create(32);
|
|
|
|
ast_str_set(&connInfo, 0, "host=%s port=%d dbname=%s user=%s",
|
|
dbhost, dbport, my_database, dbuser);
|
|
if (!ast_strlen_zero(dbpass))
|
|
ast_str_append(&connInfo, 0, " password=%s", dbpass);
|
|
|
|
ast_debug(1, "%u connInfo=%s\n", (unsigned int)connInfo->len, connInfo->str);
|
|
pgsqlConn = PQconnectdb(connInfo->str);
|
|
ast_debug(1, "%u connInfo=%s\n", (unsigned int)connInfo->len, connInfo->str);
|
|
ast_free(connInfo);
|
|
connInfo = NULL;
|
|
|
|
ast_debug(1, "pgsqlConn=%p\n", pgsqlConn);
|
|
if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
|
|
ast_debug(1, "PostgreSQL RealTime: Successfully connected to database.\n");
|
|
connect_time = time(NULL);
|
|
return 1;
|
|
} else {
|
|
ast_log(LOG_ERROR,
|
|
"PostgreSQL RealTime: Failed to connect database %s on %s: %s\n",
|
|
dbname, dbhost, PQresultErrorMessage(NULL));
|
|
return 0;
|
|
}
|
|
} else {
|
|
ast_debug(1, "PostgreSQL RealTime: One or more of the parameters in the config does not pass our validity checks.\n");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static char *handle_cli_realtime_pgsql_status(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char status[256], credentials[100] = "";
|
|
int ctime = time(NULL) - connect_time;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "realtime pgsql status";
|
|
e->usage =
|
|
"Usage: realtime pgsql status\n"
|
|
" Shows connection information for the PostgreSQL RealTime driver\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 3)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
|
|
if (!ast_strlen_zero(dbhost))
|
|
snprintf(status, sizeof(status), "Connected to %s@%s, port %d", dbname, dbhost, dbport);
|
|
else if (!ast_strlen_zero(dbsock))
|
|
snprintf(status, sizeof(status), "Connected to %s on socket file %s", dbname, dbsock);
|
|
else
|
|
snprintf(status, sizeof(status), "Connected to %s@%s", dbname, dbhost);
|
|
|
|
if (!ast_strlen_zero(dbuser))
|
|
snprintf(credentials, sizeof(credentials), " with username %s", dbuser);
|
|
|
|
if (ctime > 31536000)
|
|
ast_cli(a->fd, "%s%s for %d years, %d days, %d hours, %d minutes, %d seconds.\n",
|
|
status, credentials, ctime / 31536000, (ctime % 31536000) / 86400,
|
|
(ctime % 86400) / 3600, (ctime % 3600) / 60, ctime % 60);
|
|
else if (ctime > 86400)
|
|
ast_cli(a->fd, "%s%s for %d days, %d hours, %d minutes, %d seconds.\n", status,
|
|
credentials, ctime / 86400, (ctime % 86400) / 3600, (ctime % 3600) / 60,
|
|
ctime % 60);
|
|
else if (ctime > 3600)
|
|
ast_cli(a->fd, "%s%s for %d hours, %d minutes, %d seconds.\n", status, credentials,
|
|
ctime / 3600, (ctime % 3600) / 60, ctime % 60);
|
|
else if (ctime > 60)
|
|
ast_cli(a->fd, "%s%s for %d minutes, %d seconds.\n", status, credentials, ctime / 60,
|
|
ctime % 60);
|
|
else
|
|
ast_cli(a->fd, "%s%s for %d seconds.\n", status, credentials, ctime);
|
|
|
|
return CLI_SUCCESS;
|
|
} else {
|
|
return CLI_FAILURE;
|
|
}
|
|
}
|
|
|
|
/* needs usecount semantics defined */
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "PostgreSQL RealTime Configuration Driver",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload
|
|
);
|