git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@211539 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1538 lines
49 KiB
C
1538 lines
49 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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AST_THREADSTORAGE(sql_buf);
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AST_THREADSTORAGE(findtable_buf);
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AST_THREADSTORAGE(where_buf);
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AST_THREADSTORAGE(escapebuf_buf);
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#define RES_CONFIG_PGSQL_CONF "res_pgsql.conf"
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static PGconn *pgsqlConn = NULL;
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#define MAX_DB_OPTION_SIZE 64
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struct columns {
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char *name;
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char *type;
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int len;
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unsigned int notnull:1;
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unsigned int hasdefault:1;
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AST_LIST_ENTRY(columns) list;
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};
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struct tables {
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ast_rwlock_t lock;
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AST_LIST_HEAD_NOLOCK(psql_columns, columns) columns;
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AST_LIST_ENTRY(tables) list;
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char name[0];
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};
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static AST_LIST_HEAD_STATIC(psql_tables, tables);
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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 char *handle_cli_realtime_pgsql_cache(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
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static enum { RQ_WARN, RQ_CREATECLOSE, RQ_CREATECHAR } requirements;
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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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AST_CLI_DEFINE(handle_cli_realtime_pgsql_cache, "Shows cached tables within the PostgreSQL realtime driver"),
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};
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#define ESCAPE_STRING(buffer, stringname) \
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do { \
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int len; \
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if ((len = strlen(stringname)) > (ast_str_size(buffer) - 1) / 2) { \
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ast_str_make_space(&buffer, len * 2 + 1); \
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} \
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PQescapeStringConn(pgsqlConn, ast_str_buffer(buffer), stringname, len, &pgresult); \
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} while (0)
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static void destroy_table(struct tables *table)
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{
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struct columns *column;
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ast_rwlock_wrlock(&table->lock);
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while ((column = AST_LIST_REMOVE_HEAD(&table->columns, list))) {
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ast_free(column);
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}
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ast_rwlock_unlock(&table->lock);
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ast_rwlock_destroy(&table->lock);
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ast_free(table);
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}
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static struct tables *find_table(const char *tablename)
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{
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struct columns *column;
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struct tables *table;
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struct ast_str *sql = ast_str_thread_get(&findtable_buf, 330);
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char *pgerror;
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PGresult *result;
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char *fname, *ftype, *flen, *fnotnull, *fdef;
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int i, rows;
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AST_LIST_LOCK(&psql_tables);
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AST_LIST_TRAVERSE(&psql_tables, table, list) {
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if (!strcasecmp(table->name, tablename)) {
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ast_debug(1, "Found table in cache; now locking\n");
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ast_rwlock_rdlock(&table->lock);
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ast_debug(1, "Lock cached table; now returning\n");
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AST_LIST_UNLOCK(&psql_tables);
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return table;
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}
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}
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ast_debug(1, "Table '%s' not found in cache, querying now\n", tablename);
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/* Not found, scan the table */
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ast_str_set(&sql, 0, "SELECT a.attname, t.typname, a.attlen, a.attnotnull, d.adsrc, a.atttypmod FROM pg_class c, pg_type t, pg_attribute a LEFT OUTER JOIN pg_attrdef d ON a.atthasdef AND d.adrelid = a.attrelid AND d.adnum = a.attnum WHERE c.oid = a.attrelid AND a.atttypid = t.oid AND (a.attnum > 0) AND c.relname = '%s' ORDER BY c.relname, attnum", tablename);
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result = PQexec(pgsqlConn, ast_str_buffer(sql));
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ast_debug(1, "Query of table structure complete. Now retrieving results.\n");
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if (PQresultStatus(result) != PGRES_TUPLES_OK) {
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pgerror = PQresultErrorMessage(result);
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ast_log(LOG_ERROR, "Failed to query database columns: %s\n", pgerror);
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PQclear(result);
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AST_LIST_UNLOCK(&psql_tables);
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return NULL;
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}
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if (!(table = ast_calloc(1, sizeof(*table) + strlen(tablename) + 1))) {
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ast_log(LOG_ERROR, "Unable to allocate memory for new table structure\n");
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AST_LIST_UNLOCK(&psql_tables);
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return NULL;
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}
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strcpy(table->name, tablename); /* SAFE */
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ast_rwlock_init(&table->lock);
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AST_LIST_HEAD_INIT_NOLOCK(&table->columns);
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rows = PQntuples(result);
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for (i = 0; i < rows; i++) {
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fname = PQgetvalue(result, i, 0);
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ftype = PQgetvalue(result, i, 1);
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flen = PQgetvalue(result, i, 2);
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fnotnull = PQgetvalue(result, i, 3);
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fdef = PQgetvalue(result, i, 4);
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ast_verb(4, "Found column '%s' of type '%s'\n", fname, ftype);
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if (!(column = ast_calloc(1, sizeof(*column) + strlen(fname) + strlen(ftype) + 2))) {
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ast_log(LOG_ERROR, "Unable to allocate column element for %s, %s\n", tablename, fname);
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destroy_table(table);
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AST_LIST_UNLOCK(&psql_tables);
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return NULL;
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}
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if (strcmp(flen, "-1") == 0) {
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/* Some types, like chars, have the length stored in a different field */
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flen = PQgetvalue(result, i, 5);
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sscanf(flen, "%30d", &column->len);
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column->len -= 4;
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} else {
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sscanf(flen, "%30d", &column->len);
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}
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column->name = (char *)column + sizeof(*column);
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column->type = (char *)column + sizeof(*column) + strlen(fname) + 1;
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strcpy(column->name, fname);
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strcpy(column->type, ftype);
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if (*fnotnull == 't') {
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column->notnull = 1;
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} else {
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column->notnull = 0;
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}
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if (!ast_strlen_zero(fdef)) {
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column->hasdefault = 1;
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} else {
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column->hasdefault = 0;
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}
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AST_LIST_INSERT_TAIL(&table->columns, column, list);
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}
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PQclear(result);
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AST_LIST_INSERT_TAIL(&psql_tables, table, list);
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ast_rwlock_rdlock(&table->lock);
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AST_LIST_UNLOCK(&psql_tables);
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return table;
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}
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#define release_table(table) ast_rwlock_unlock(&(table)->lock);
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static struct columns *find_column(struct tables *t, const char *colname)
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{
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struct columns *column;
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/* Check that the column exists in the table */
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AST_LIST_TRAVERSE(&t->columns, column, list) {
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if (strcmp(column->name, colname) == 0) {
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return column;
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}
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}
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return NULL;
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}
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static struct ast_variable *realtime_pgsql(const char *database, const char *tablename, va_list ap)
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{
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PGresult *result = NULL;
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int num_rows = 0, pgresult;
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struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
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struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
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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 (!tablename) {
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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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ESCAPE_STRING(escapebuf, newval);
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if (pgresult) {
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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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ast_str_set(&sql, 0, "SELECT * FROM %s WHERE %s%s '%s'", tablename, newparam, op, ast_str_buffer(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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ESCAPE_STRING(escapebuf, newval);
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if (pgresult) {
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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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ast_str_append(&sql, 0, " AND %s%s '%s'", newparam, op, ast_str_buffer(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, ast_str_buffer(sql)))) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query '%s@%s'. Check debug for more info.\n", tablename, database);
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(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 '%s@%s'. Check debug for more info.\n", tablename, database);
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(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, ast_str_buffer(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@%s.\n", tablename, database);
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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, pgresult;
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struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
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struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
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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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ESCAPE_STRING(escapebuf, newval);
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if (pgresult) {
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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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ast_str_set(&sql, 0, "SELECT * FROM %s WHERE %s%s '%s'", table, newparam, op, ast_str_buffer(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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ESCAPE_STRING(escapebuf, newval);
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if (pgresult) {
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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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ast_str_append(&sql, 0, " AND %s%s '%s'", newparam, op, ast_str_buffer(escapebuf));
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}
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if (initfield) {
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ast_str_append(&sql, 0, " 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, ast_str_buffer(sql)))) {
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ast_log(LOG_WARNING,
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"PostgreSQL RealTime: Failed to query %s@%s. Check debug for more info.\n", table, database);
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(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 %s@%s. Check debug for more info.\n", table, database);
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ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(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));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, ast_str_buffer(sql));
|
|
|
|
if ((num_rows = PQntuples(result)) > 0) {
|
|
int numFields = PQnfields(result);
|
|
int i = 0;
|
|
int rowIndex = 0;
|
|
char **fieldnames = NULL;
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
|
|
|
|
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
PQclear(result);
|
|
return NULL;
|
|
}
|
|
for (i = 0; i < numFields; i++)
|
|
fieldnames[i] = PQfname(result, i);
|
|
|
|
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
|
|
var = NULL;
|
|
if (!(cat = ast_category_new("","",99999)))
|
|
continue;
|
|
for (i = 0; i < numFields; i++) {
|
|
stringp = PQgetvalue(result, rowIndex, i);
|
|
while (stringp) {
|
|
chunk = strsep(&stringp, ";");
|
|
if (!ast_strlen_zero(ast_strip(chunk))) {
|
|
if (initfield && !strcmp(initfield, fieldnames[i])) {
|
|
ast_category_rename(cat, chunk);
|
|
}
|
|
var = ast_variable_new(fieldnames[i], chunk, "");
|
|
ast_variable_append(cat, var);
|
|
}
|
|
}
|
|
}
|
|
ast_category_append(cfg, cat);
|
|
}
|
|
ast_free(fieldnames);
|
|
} else {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
|
|
}
|
|
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
PQclear(result);
|
|
|
|
return cfg;
|
|
}
|
|
|
|
static int update_pgsql(const char *database, const char *tablename, const char *keyfield,
|
|
const char *lookup, va_list ap)
|
|
{
|
|
PGresult *result = NULL;
|
|
int numrows = 0, pgresult;
|
|
const char *newparam, *newval;
|
|
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
|
|
struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
|
|
struct tables *table;
|
|
struct columns *column = NULL;
|
|
|
|
if (!tablename) {
|
|
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!(table = find_table(tablename))) {
|
|
ast_log(LOG_ERROR, "Table '%s' does not exist!!\n", tablename);
|
|
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 retrieval requires at least 1 parameter and 1 value to search on.\n");
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
release_table(table);
|
|
return -1;
|
|
}
|
|
|
|
/* Check that the column exists in the table */
|
|
AST_LIST_TRAVERSE(&table->columns, column, list) {
|
|
if (strcmp(column->name, newparam) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!column) {
|
|
ast_log(LOG_ERROR, "PostgreSQL RealTime: Updating on column '%s', but that column does not exist within the table '%s'!\n", newparam, tablename);
|
|
release_table(table);
|
|
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(escapebuf, newval);
|
|
if (pgresult) {
|
|
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
|
|
va_end(ap);
|
|
release_table(table);
|
|
return -1;
|
|
}
|
|
ast_str_set(&sql, 0, "UPDATE %s SET %s = '%s'", tablename, newparam, ast_str_buffer(escapebuf));
|
|
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
newval = va_arg(ap, const char *);
|
|
|
|
if (!find_column(table, newparam)) {
|
|
ast_log(LOG_WARNING, "Attempted to update column '%s' in table '%s', but column does not exist!\n", newparam, tablename);
|
|
continue;
|
|
}
|
|
|
|
ESCAPE_STRING(escapebuf, newval);
|
|
if (pgresult) {
|
|
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
|
|
va_end(ap);
|
|
release_table(table);
|
|
return -1;
|
|
}
|
|
|
|
ast_str_append(&sql, 0, ", %s = '%s'", newparam, ast_str_buffer(escapebuf));
|
|
}
|
|
va_end(ap);
|
|
release_table(table);
|
|
|
|
ESCAPE_STRING(escapebuf, lookup);
|
|
if (pgresult) {
|
|
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", lookup);
|
|
va_end(ap);
|
|
return -1;
|
|
}
|
|
|
|
ast_str_append(&sql, 0, " WHERE %s = '%s'", keyfield, ast_str_buffer(escapebuf));
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", ast_str_buffer(sql));
|
|
|
|
/* 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 -1;
|
|
}
|
|
|
|
if (!(result = PQexec(pgsqlConn, ast_str_buffer(sql)))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
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", ast_str_buffer(sql));
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
numrows = atoi(PQcmdTuples(result));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, tablename);
|
|
|
|
/* 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 int update2_pgsql(const char *database, const char *tablename, va_list ap)
|
|
{
|
|
PGresult *result = NULL;
|
|
int numrows = 0, pgresult, first = 1;
|
|
struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 16);
|
|
const char *newparam, *newval;
|
|
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
|
|
struct ast_str *where = ast_str_thread_get(&where_buf, 100);
|
|
struct tables *table;
|
|
|
|
if (!tablename) {
|
|
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!escapebuf || !sql || !where) {
|
|
/* Memory error, already handled */
|
|
return -1;
|
|
}
|
|
|
|
if (!(table = find_table(tablename))) {
|
|
ast_log(LOG_ERROR, "Table '%s' does not exist!!\n", tablename);
|
|
return -1;
|
|
}
|
|
|
|
ast_str_set(&sql, 0, "UPDATE %s SET ", tablename);
|
|
ast_str_set(&where, 0, "WHERE");
|
|
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
if (!find_column(table, newparam)) {
|
|
ast_log(LOG_ERROR, "Attempted to update based on criteria column '%s' (%s@%s), but that column does not exist!\n", newparam, tablename, database);
|
|
release_table(table);
|
|
return -1;
|
|
}
|
|
|
|
newval = va_arg(ap, const char *);
|
|
ESCAPE_STRING(escapebuf, newval);
|
|
if (pgresult) {
|
|
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
|
|
release_table(table);
|
|
ast_free(sql);
|
|
return -1;
|
|
}
|
|
ast_str_append(&where, 0, "%s %s='%s'", first ? "" : " AND", newparam, ast_str_buffer(escapebuf));
|
|
first = 0;
|
|
}
|
|
|
|
if (first) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Realtime update requires at least 1 parameter and 1 value to search on.\n");
|
|
if (pgsqlConn) {
|
|
PQfinish(pgsqlConn);
|
|
pgsqlConn = NULL;
|
|
}
|
|
release_table(table);
|
|
return -1;
|
|
}
|
|
|
|
/* Now retrieve the columns to update */
|
|
first = 1;
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
newval = va_arg(ap, const char *);
|
|
|
|
/* If the column is not within the table, then skip it */
|
|
if (!find_column(table, newparam)) {
|
|
ast_log(LOG_NOTICE, "Attempted to update column '%s' in table '%s@%s', but column does not exist!\n", newparam, tablename, database);
|
|
continue;
|
|
}
|
|
|
|
ESCAPE_STRING(escapebuf, newval);
|
|
if (pgresult) {
|
|
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
|
|
release_table(table);
|
|
ast_free(sql);
|
|
return -1;
|
|
}
|
|
|
|
ast_str_append(&sql, 0, "%s %s='%s'", first ? "" : ",", newparam, ast_str_buffer(escapebuf));
|
|
}
|
|
release_table(table);
|
|
|
|
ast_str_append(&sql, 0, " %s", ast_str_buffer(where));
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", ast_str_buffer(sql));
|
|
|
|
/* We now have our complete statement; connect to the server and execute it. */
|
|
ast_mutex_lock(&pgsql_lock);
|
|
if (!pgsql_reconnect(database)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
|
|
if (!(result = PQexec(pgsqlConn, ast_str_buffer(sql)))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
|
|
ast_debug(1, "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_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
|
|
ast_debug(1, "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_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, tablename);
|
|
|
|
/* 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 int store_pgsql(const char *database, const char *table, va_list ap)
|
|
{
|
|
PGresult *result = NULL;
|
|
Oid insertid;
|
|
struct ast_str *buf = ast_str_thread_get(&escapebuf_buf, 256);
|
|
struct ast_str *sql1 = ast_str_thread_get(&sql_buf, 256);
|
|
struct ast_str *sql2 = ast_str_thread_get(&where_buf, 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, ast_str_buffer(buf));
|
|
ESCAPE_STRING(buf, newval);
|
|
ast_str_set(&sql2, 0, ") VALUES ('%s'", ast_str_buffer(buf));
|
|
while ((newparam = va_arg(ap, const char *))) {
|
|
newval = va_arg(ap, const char *);
|
|
ESCAPE_STRING(buf, newparam);
|
|
ast_str_append(&sql1, 0, ", %s", ast_str_buffer(buf));
|
|
ESCAPE_STRING(buf, newval);
|
|
ast_str_append(&sql2, 0, ", '%s'", ast_str_buffer(buf));
|
|
}
|
|
va_end(ap);
|
|
ast_str_append(&sql1, 0, "%s)", ast_str_buffer(sql2));
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Insert SQL: %s\n", ast_str_buffer(sql1));
|
|
|
|
if (!(result = PQexec(pgsqlConn, ast_str_buffer(sql1)))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql1));
|
|
ast_debug(1, "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_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql1));
|
|
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
|
|
PQresultErrorMessage(result), PQresStatus(result_status));
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
insertid = PQoidValue(result);
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
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_thread_get(&sql_buf, 256);
|
|
struct ast_str *buf1 = ast_str_thread_get(&where_buf, 60), *buf2 = ast_str_thread_get(&escapebuf_buf, 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, ast_str_buffer(buf1), ast_str_buffer(buf2));
|
|
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'", ast_str_buffer(buf1), ast_str_buffer(buf2));
|
|
}
|
|
va_end(ap);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Delete SQL: %s\n", ast_str_buffer(sql));
|
|
|
|
if (!(result = PQexec(pgsqlConn, ast_str_buffer(sql)))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
|
|
ast_debug(1, "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_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
|
|
ast_debug(1, "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_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;
|
|
struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
|
|
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_str_set(&sql, 0, "SELECT category, var_name, var_val, cat_metric FROM %s "
|
|
"WHERE filename='%s' and commented=0"
|
|
"ORDER BY cat_metric DESC, var_metric ASC, category, var_name ", table, file);
|
|
|
|
ast_debug(1, "PostgreSQL RealTime: Static SQL: %s\n", ast_str_buffer(sql));
|
|
|
|
/* 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, ast_str_buffer(sql)))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: Failed to query '%s@%s'. Check debug for more info.\n", table, database);
|
|
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(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", ast_str_buffer(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 int require_pgsql(const char *database, const char *tablename, va_list ap)
|
|
{
|
|
struct columns *column;
|
|
struct tables *table = find_table(tablename);
|
|
char *elm;
|
|
int type, size, res = 0;
|
|
|
|
if (!table) {
|
|
ast_log(LOG_WARNING, "Table %s not found in database. This table should exist if you're using realtime.\n", tablename);
|
|
return -1;
|
|
}
|
|
|
|
while ((elm = va_arg(ap, char *))) {
|
|
type = va_arg(ap, require_type);
|
|
size = va_arg(ap, int);
|
|
AST_LIST_TRAVERSE(&table->columns, column, list) {
|
|
if (strcmp(column->name, elm) == 0) {
|
|
/* Char can hold anything, as long as it is large enough */
|
|
if ((strncmp(column->type, "char", 4) == 0 || strncmp(column->type, "varchar", 7) == 0 || strcmp(column->type, "bpchar") == 0)) {
|
|
if ((size > column->len) && column->len != -1) {
|
|
ast_log(LOG_WARNING, "Column '%s' should be at least %d long, but is only %d long.\n", column->name, size, column->len);
|
|
res = -1;
|
|
}
|
|
} else if (strncmp(column->type, "int", 3) == 0) {
|
|
int typesize = atoi(column->type + 3);
|
|
/* Integers can hold only other integers */
|
|
if ((type == RQ_INTEGER8 || type == RQ_UINTEGER8 ||
|
|
type == RQ_INTEGER4 || type == RQ_UINTEGER4 ||
|
|
type == RQ_INTEGER3 || type == RQ_UINTEGER3 ||
|
|
type == RQ_UINTEGER2) && typesize == 2) {
|
|
ast_log(LOG_WARNING, "Column '%s' may not be large enough for the required data length: %d\n", column->name, size);
|
|
res = -1;
|
|
} else if ((type == RQ_INTEGER8 || type == RQ_UINTEGER8 ||
|
|
type == RQ_UINTEGER4) && typesize == 4) {
|
|
ast_log(LOG_WARNING, "Column '%s' may not be large enough for the required data length: %d\n", column->name, size);
|
|
res = -1;
|
|
} else if (type == RQ_CHAR || type == RQ_DATETIME || type == RQ_FLOAT || type == RQ_DATE) {
|
|
ast_log(LOG_WARNING, "Column '%s' is of the incorrect type: (need %s(%d) but saw %s)\n",
|
|
column->name,
|
|
type == RQ_CHAR ? "char" :
|
|
type == RQ_DATETIME ? "datetime" :
|
|
type == RQ_DATE ? "date" :
|
|
type == RQ_FLOAT ? "float" :
|
|
"a rather stiff drink ",
|
|
size, column->type);
|
|
res = -1;
|
|
}
|
|
} else if (strncmp(column->type, "float", 5) == 0 && !ast_rq_is_int(type) && type != RQ_FLOAT) {
|
|
ast_log(LOG_WARNING, "Column %s cannot be a %s\n", column->name, column->type);
|
|
res = -1;
|
|
} else { /* There are other types that no module implements yet */
|
|
ast_log(LOG_WARNING, "Possibly unsupported column type '%s' on column '%s'\n", column->type, column->name);
|
|
res = -1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!column) {
|
|
if (requirements == RQ_WARN) {
|
|
ast_log(LOG_WARNING, "Table %s requires a column '%s' of size '%d', but no such column exists.\n", tablename, elm, size);
|
|
} else {
|
|
struct ast_str *sql = ast_str_create(100);
|
|
char fieldtype[15];
|
|
PGresult *result;
|
|
|
|
if (requirements == RQ_CREATECHAR || type == RQ_CHAR) {
|
|
/* Size is minimum length; make it at least 50% greater,
|
|
* just to be sure, because PostgreSQL doesn't support
|
|
* resizing columns. */
|
|
snprintf(fieldtype, sizeof(fieldtype), "CHAR(%d)",
|
|
size < 15 ? size * 2 :
|
|
(size * 3 / 2 > 255) ? 255 : size * 3 / 2);
|
|
} else if (type == RQ_INTEGER1 || type == RQ_UINTEGER1 || type == RQ_INTEGER2) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "INT2");
|
|
} else if (type == RQ_UINTEGER2 || type == RQ_INTEGER3 || type == RQ_UINTEGER3 || type == RQ_INTEGER4) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "INT4");
|
|
} else if (type == RQ_UINTEGER4 || type == RQ_INTEGER8) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "INT8");
|
|
} else if (type == RQ_UINTEGER8) {
|
|
/* No such type on PostgreSQL */
|
|
snprintf(fieldtype, sizeof(fieldtype), "CHAR(20)");
|
|
} else if (type == RQ_FLOAT) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "FLOAT8");
|
|
} else if (type == RQ_DATE) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "DATE");
|
|
} else if (type == RQ_DATETIME) {
|
|
snprintf(fieldtype, sizeof(fieldtype), "TIMESTAMP");
|
|
} else {
|
|
ast_log(LOG_ERROR, "Unrecognized request type %d\n", type);
|
|
ast_free(sql);
|
|
continue;
|
|
}
|
|
ast_str_set(&sql, 0, "ALTER TABLE %s ADD COLUMN %s %s", tablename, elm, fieldtype);
|
|
ast_debug(1, "About to lock pgsql_lock (running alter on table '%s' to add column '%s')\n", tablename, elm);
|
|
|
|
ast_mutex_lock(&pgsql_lock);
|
|
if (!pgsql_reconnect(database)) {
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_log(LOG_ERROR, "Unable to add column: %s\n", ast_str_buffer(sql));
|
|
ast_free(sql);
|
|
continue;
|
|
}
|
|
|
|
ast_debug(1, "About to run ALTER query on table '%s' to add column '%s'\n", tablename, elm);
|
|
result = PQexec(pgsqlConn, ast_str_buffer(sql));
|
|
ast_debug(1, "Finished running ALTER query on table '%s'\n", tablename);
|
|
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
|
|
ast_log(LOG_ERROR, "Unable to add column: %s\n", ast_str_buffer(sql));
|
|
}
|
|
PQclear(result);
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
|
|
ast_free(sql);
|
|
}
|
|
}
|
|
}
|
|
release_table(table);
|
|
return res;
|
|
}
|
|
|
|
static int unload_pgsql(const char *database, const char *tablename)
|
|
{
|
|
struct tables *cur;
|
|
ast_debug(2, "About to lock table cache list\n");
|
|
AST_LIST_LOCK(&psql_tables);
|
|
ast_debug(2, "About to traverse table cache list\n");
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&psql_tables, cur, list) {
|
|
if (strcmp(cur->name, tablename) == 0) {
|
|
ast_debug(2, "About to remove matching cache entry\n");
|
|
AST_LIST_REMOVE_CURRENT(list);
|
|
ast_debug(2, "About to destroy matching cache entry\n");
|
|
destroy_table(cur);
|
|
ast_debug(1, "Cache entry '%s@%s' destroyed\n", tablename, database);
|
|
break;
|
|
}
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END
|
|
AST_LIST_UNLOCK(&psql_tables);
|
|
ast_debug(2, "About to return\n");
|
|
return cur ? 0 : -1;
|
|
}
|
|
|
|
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,
|
|
.update2_func = update2_pgsql,
|
|
.require_func = require_pgsql,
|
|
.unload_func = unload_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, ARRAY_LEN(cli_realtime));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
struct tables *table;
|
|
/* 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, ARRAY_LEN(cli_realtime));
|
|
ast_config_engine_deregister(&pgsql_engine);
|
|
ast_verb(1, "PostgreSQL RealTime unloaded.\n");
|
|
|
|
/* Destroy cached table info */
|
|
AST_LIST_LOCK(&psql_tables);
|
|
while ((table = AST_LIST_REMOVE_HEAD(&psql_tables, list))) {
|
|
destroy_table(table);
|
|
}
|
|
AST_LIST_UNLOCK(&psql_tables);
|
|
|
|
/* 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 is_reload)
|
|
{
|
|
struct ast_config *config;
|
|
const char *s;
|
|
struct ast_flags config_flags = { is_reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
|
|
|
|
config = ast_config_load(RES_CONFIG_PGSQL_CONF, config_flags);
|
|
if (config == CONFIG_STATUS_FILEUNCHANGED) {
|
|
return 0;
|
|
}
|
|
|
|
if (config == CONFIG_STATUS_FILEMISSING || config == CONFIG_STATUS_FILEINVALID) {
|
|
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));
|
|
}
|
|
|
|
if (!(s = ast_variable_retrieve(config, "general", "requirements"))) {
|
|
ast_log(LOG_WARNING,
|
|
"PostgreSQL RealTime: no requirements setting found, using 'warn' as default.\n");
|
|
requirements = RQ_WARN;
|
|
} else if (!strcasecmp(s, "createclose")) {
|
|
requirements = RQ_CREATECLOSE;
|
|
} else if (!strcasecmp(s, "createchar")) {
|
|
requirements = RQ_CREATECHAR;
|
|
}
|
|
|
|
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)ast_str_size(connInfo), ast_str_buffer(connInfo));
|
|
pgsqlConn = PQconnectdb(ast_str_buffer(connInfo));
|
|
ast_debug(1, "%u connInfo=%s\n", (unsigned int)ast_str_size(connInfo), ast_str_buffer(connInfo));
|
|
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_cache(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct tables *cur;
|
|
int l, which;
|
|
char *ret = NULL;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "realtime show pgsql cache";
|
|
e->usage =
|
|
"Usage: realtime show pgsql cache [<table>]\n"
|
|
" Shows table cache for the PostgreSQL RealTime driver\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
if (a->argc != 4) {
|
|
return NULL;
|
|
}
|
|
l = strlen(a->word);
|
|
which = 0;
|
|
AST_LIST_LOCK(&psql_tables);
|
|
AST_LIST_TRAVERSE(&psql_tables, cur, list) {
|
|
if (!strncasecmp(a->word, cur->name, l) && ++which > a->n) {
|
|
ret = ast_strdup(cur->name);
|
|
break;
|
|
}
|
|
}
|
|
AST_LIST_UNLOCK(&psql_tables);
|
|
return ret;
|
|
}
|
|
|
|
if (a->argc == 4) {
|
|
/* List of tables */
|
|
AST_LIST_LOCK(&psql_tables);
|
|
AST_LIST_TRAVERSE(&psql_tables, cur, list) {
|
|
ast_cli(a->fd, "%s\n", cur->name);
|
|
}
|
|
AST_LIST_UNLOCK(&psql_tables);
|
|
} else if (a->argc == 5) {
|
|
/* List of columns */
|
|
if ((cur = find_table(a->argv[4]))) {
|
|
struct columns *col;
|
|
ast_cli(a->fd, "Columns for Table Cache '%s':\n", a->argv[4]);
|
|
ast_cli(a->fd, "%-20.20s %-20.20s %-3.3s %-8.8s\n", "Name", "Type", "Len", "Nullable");
|
|
AST_LIST_TRAVERSE(&cur->columns, col, list) {
|
|
ast_cli(a->fd, "%-20.20s %-20.20s %3d %-8.8s\n", col->name, col->type, col->len, col->notnull ? "NOT NULL" : "");
|
|
}
|
|
release_table(cur);
|
|
} else {
|
|
ast_cli(a->fd, "No such table '%s'\n", a->argv[4]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
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 ctimesec = time(NULL) - connect_time;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "realtime show pgsql status";
|
|
e->usage =
|
|
"Usage: realtime show pgsql status\n"
|
|
" Shows connection information for the PostgreSQL RealTime driver\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 4)
|
|
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 (ctimesec > 31536000)
|
|
ast_cli(a->fd, "%s%s for %d years, %d days, %d hours, %d minutes, %d seconds.\n",
|
|
status, credentials, ctimesec / 31536000, (ctimesec % 31536000) / 86400,
|
|
(ctimesec % 86400) / 3600, (ctimesec % 3600) / 60, ctimesec % 60);
|
|
else if (ctimesec > 86400)
|
|
ast_cli(a->fd, "%s%s for %d days, %d hours, %d minutes, %d seconds.\n", status,
|
|
credentials, ctimesec / 86400, (ctimesec % 86400) / 3600, (ctimesec % 3600) / 60,
|
|
ctimesec % 60);
|
|
else if (ctimesec > 3600)
|
|
ast_cli(a->fd, "%s%s for %d hours, %d minutes, %d seconds.\n", status, credentials,
|
|
ctimesec / 3600, (ctimesec % 3600) / 60, ctimesec % 60);
|
|
else if (ctimesec > 60)
|
|
ast_cli(a->fd, "%s%s for %d minutes, %d seconds.\n", status, credentials, ctimesec / 60,
|
|
ctimesec % 60);
|
|
else
|
|
ast_cli(a->fd, "%s%s for %d seconds.\n", status, credentials, ctimesec);
|
|
|
|
return CLI_SUCCESS;
|
|
} else {
|
|
return CLI_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
|
|
);
|