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feature: support non-standard unix socket (#5724)

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* Add support for custom MySQL unix-socket

* NULL must be lowercase!

* Naive edit of html/install.php

* fixup

* Refactor dbConnect
Use it everywhere

* $config needs to be global
Don't need to set $database_link

* small cleanups
This commit is contained in:
Tony Murray
2017-04-06 16:02:37 -05:00
committed by Neil Lathwood
parent 66d9d54f73
commit b1a414e785
15 changed files with 196 additions and 129 deletions
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52
includes/dbFacile.php
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@@ -17,6 +17,58 @@
* 3. Oh, and dbFetchAll() is now dbFetchRows()
*/
use LibreNMS\Exceptions\DatabaseConnectException;
/**
* Connect to the database.
* Will use global $config variables if they are not sent: db_host, db_user, db_pass, db_name, db_port, db_socket
*
* @param string $host
* @param string $user
* @param string $password
* @param string $database
* @param string $port
* @param string $socket
* @return mysqli
* @throws DatabaseConnectException
*/
function dbConnect($host = null, $user = '', $password = '', $database = '', $port = null, $socket = null)
{
global $config, $database_link;
$host = empty($host) ? $config['db_host'] : $host;
$user = empty($user) ? $config['db_user'] : $user;
$password = empty($password) ? $config['db_pass'] : $password;
$database = empty($database) ? $config['db_name'] : $database;
$port = empty($port) ? $config['db_port'] : $port;
$socket = empty($socket) ? $config['db_socket'] : $socket;
$database_link = mysqli_connect('p:' . $host, $user, $password, null, $port, $socket);
if ($database_link === false) {
$error = mysqli_connect_error();
if ($error == 'No such file or directory') {
$error = 'Could not connect to ' . $host;
}
throw new DatabaseConnectException($error);
}
$database_db = mysqli_select_db($database_link, $config['db_name']);
if (!$database_db) {
$db_create_sql = "CREATE DATABASE " . $config['db_name'] . " CHARACTER SET utf8 COLLATE utf8_unicode_ci";
mysqli_query($database_link, $db_create_sql);
$database_db = mysqli_select_db($database_link, $config['db_name']);
}
if (!$database_db) {
throw new DatabaseConnectException("Could not select database: $database. " . mysqli_error($database_link));
}
dbQuery("SET NAMES 'utf8'");
dbQuery("SET CHARACTER SET 'utf8'");
dbQuery("SET COLLATION_CONNECTION = 'utf8_unicode_ci'");
return $database_link;
}
/*
* Performs a query using the given string.
* Used by the other _query functions.