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874 lines
26 KiB
874 lines
26 KiB
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Copyright (C) 1999-2010, 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 <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <libpq-fe.h> /* PostgreSQL */
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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/module.h"
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#include "asterisk/lock.h"
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#include "asterisk/options.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(void);
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static int pgsql_reconnect(const char *database);
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static int realtime_pgsql_status(int fd, int argc, char **argv);
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static char cli_realtime_pgsql_status_usage[] =
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"Usage: realtime pgsql status\n"
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" Shows connection information for the Postgresql RealTime driver\n";
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static struct ast_cli_entry cli_realtime[] = {
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{ { "realtime", "pgsql", "status", NULL },
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realtime_pgsql_status, "Shows connection information for the Postgresql RealTime driver",
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cli_realtime_pgsql_status_usage },
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};
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static char *encode_chunk(const char *chunk, char *buf, size_t len)
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{
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char *cptr = buf;
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for (; *chunk && cptr < buf + len; chunk++) {
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if (strchr(";^", *chunk)) {
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snprintf(cptr, buf + len - cptr, "^%02hhX", *chunk);
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cptr += 3;
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} else {
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*cptr++ = *chunk;
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}
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}
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if (cptr < buf + len) {
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*cptr = '\0';
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} else {
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buf[len - 1] = '\0';
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}
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return buf;
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}
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static char *decode_chunk(char *chunk)
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{
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char *orig = chunk;
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for (; *chunk; chunk++) {
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if (*chunk == '^' && strchr("0123456789ABCDEFabcdef", chunk[1]) && strchr("0123456789ABCDEFabcdef", chunk[2])) {
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sscanf(chunk + 1, "%02hhX", chunk);
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memmove(chunk + 1, chunk + 3, strlen(chunk + 3) + 1);
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}
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}
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return orig;
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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[2049], semibuf[1024];
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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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
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ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
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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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
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ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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 (chunk && !ast_strlen_zero(decode_chunk(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_log(LOG_DEBUG, "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[2049], semibuf[1024];
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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_realloca ra;
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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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memset(&ra, 0, sizeof(ra));
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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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
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ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
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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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
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ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "2Postgresql 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_log(LOG_DEBUG, "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("")))
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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 (chunk && !ast_strlen_zero(decode_chunk(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_DEBUG,
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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[2049], semibuf[1024];
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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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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, encode_chunk(newval, semibuf, sizeof(semibuf)), (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_log(LOG_DEBUG, "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)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
|
|
if (!(result = PQexec(pgsqlConn, sql))) {
|
|
ast_log(LOG_WARNING,
|
|
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
|
|
PQerrorMessage(pgsqlConn));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
numrows = atoi(PQcmdTuples(result));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Updated %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,
|
|
int withcomments)
|
|
{
|
|
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_log(LOG_DEBUG, "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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
|
|
ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
|
|
ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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, 0)) {
|
|
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);
|
|
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,
|
|
.update_func = update_pgsql
|
|
};
|
|
|
|
static int load_module(void)
|
|
{
|
|
if(!parse_config())
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
|
|
ast_mutex_lock(&pgsql_lock);
|
|
|
|
if (!pgsql_reconnect(NULL)) {
|
|
ast_log(LOG_WARNING,
|
|
"Postgresql RealTime: Couldn't establish connection. Check debug.\n");
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Cannot Connect: %s\n",
|
|
PQerrorMessage(pgsqlConn));
|
|
}
|
|
|
|
ast_config_engine_register(&pgsql_engine);
|
|
if (option_verbose) {
|
|
ast_verbose("Postgresql RealTime driver loaded.\n");
|
|
}
|
|
ast_cli_register_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
|
|
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
/* Aquire 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);
|
|
if (option_verbose) {
|
|
ast_verbose("Postgresql RealTime unloaded.\n");
|
|
}
|
|
|
|
ast_module_user_hangup_all();
|
|
|
|
/* Unlock so something else can destroy the lock. */
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
/* Aquire control before doing anything to the module itself. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
};
|
|
parse_config();
|
|
|
|
if (!pgsql_reconnect(NULL)) {
|
|
ast_log(LOG_WARNING,
|
|
"Postgresql RealTime: Couldn't establish connection. Check debug.\n");
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Cannot Connect: %s\n",
|
|
PQerrorMessage(pgsqlConn));
|
|
}
|
|
|
|
ast_verbose(VERBOSE_PREFIX_2 "Postgresql RealTime reloaded.\n");
|
|
|
|
/* Done reloading. Release lock so others can now use driver. */
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_config(void)
|
|
{
|
|
struct ast_config *config;
|
|
const char *s;
|
|
|
|
config = ast_config_load(RES_CONFIG_PGSQL_CONF);
|
|
|
|
if (!config) {
|
|
ast_log(LOG_WARNING, "Unable to load config %s\n",RES_CONFIG_PGSQL_CONF);
|
|
return 0;
|
|
}
|
|
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 (!ast_strlen_zero(dbhost)) {
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime Host: %s\n", dbhost);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime Port: %i\n", dbport);
|
|
} else {
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime Socket: %s\n", dbsock);
|
|
}
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime User: %s\n", dbuser);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime Password: %s\n", dbpass);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime DBName: %s\n", dbname);
|
|
|
|
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;
|
|
}
|
|
|
|
if ((!pgsqlConn) && (!ast_strlen_zero(dbhost) || !ast_strlen_zero(dbsock)) && !ast_strlen_zero(dbuser) && !ast_strlen_zero(dbpass) && !ast_strlen_zero(my_database)) {
|
|
char *connInfo = NULL;
|
|
unsigned int size = 100 + strlen(dbhost)
|
|
+ strlen(dbuser)
|
|
+ strlen(dbpass)
|
|
+ strlen(my_database);
|
|
|
|
if (!(connInfo = ast_malloc(size)))
|
|
return 0;
|
|
|
|
sprintf(connInfo, "host=%s port=%d dbname=%s user=%s password=%s",
|
|
dbhost, dbport, my_database, dbuser, dbpass);
|
|
ast_log(LOG_DEBUG, "%u connInfo=%s\n", size, connInfo);
|
|
pgsqlConn = PQconnectdb(connInfo);
|
|
ast_log(LOG_DEBUG, "%u connInfo=%s\n", size, connInfo);
|
|
ast_free(connInfo);
|
|
connInfo = NULL;
|
|
ast_log(LOG_DEBUG, "pgsqlConn=%p\n", pgsqlConn);
|
|
if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Successfully connected to database.\n");
|
|
connect_time = time(NULL);
|
|
return 1;
|
|
} else {
|
|
ast_log(LOG_ERROR,
|
|
"Postgresql RealTime: Failed to connect database server %s on %s. Check debug for more info.\n",
|
|
dbname, dbhost);
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Cannot Connect: %s\n",
|
|
PQresultErrorMessage(NULL));
|
|
return 0;
|
|
}
|
|
} else {
|
|
ast_log(LOG_DEBUG, "Postgresql RealTime: Everything is fine.\n");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static int realtime_pgsql_status(int fd, int argc, char **argv)
|
|
{
|
|
char status[256], status2[100] = "";
|
|
int ctime = time(NULL) - connect_time;
|
|
|
|
if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
|
|
if (!ast_strlen_zero(dbhost)) {
|
|
snprintf(status, 255, "Connected to %s@%s, port %d", dbname, dbhost, dbport);
|
|
} else if (!ast_strlen_zero(dbsock)) {
|
|
snprintf(status, 255, "Connected to %s on socket file %s", dbname, dbsock);
|
|
} else {
|
|
snprintf(status, 255, "Connected to %s@%s", dbname, dbhost);
|
|
}
|
|
|
|
if (!ast_strlen_zero(dbuser)) {
|
|
snprintf(status2, 99, " with username %s", dbuser);
|
|
}
|
|
|
|
if (ctime > 31536000) {
|
|
ast_cli(fd, "%s%s for %d years, %d days, %d hours, %d minutes, %d seconds.\n",
|
|
status, status2, ctime / 31536000, (ctime % 31536000) / 86400,
|
|
(ctime % 86400) / 3600, (ctime % 3600) / 60, ctime % 60);
|
|
} else if (ctime > 86400) {
|
|
ast_cli(fd, "%s%s for %d days, %d hours, %d minutes, %d seconds.\n", status,
|
|
status2, ctime / 86400, (ctime % 86400) / 3600, (ctime % 3600) / 60,
|
|
ctime % 60);
|
|
} else if (ctime > 3600) {
|
|
ast_cli(fd, "%s%s for %d hours, %d minutes, %d seconds.\n", status, status2,
|
|
ctime / 3600, (ctime % 3600) / 60, ctime % 60);
|
|
} else if (ctime > 60) {
|
|
ast_cli(fd, "%s%s for %d minutes, %d seconds.\n", status, status2, ctime / 60,
|
|
ctime % 60);
|
|
} else {
|
|
ast_cli(fd, "%s%s for %d seconds.\n", status, status2, ctime);
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
} else {
|
|
return RESULT_FAILURE;
|
|
}
|
|
}
|
|
|
|
/* needs usecount semantics defined */
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "PostgreSQL RealTime Configuration Driver",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload
|
|
);
|