|
1
|
|
|
<?php |
|
2
|
|
|
namespace Kwkm\MkLiveStatusClient; |
|
3
|
|
|
|
|
4
|
|
|
use \RuntimeException; |
|
5
|
|
|
|
|
6
|
|
|
/** |
|
7
|
|
|
* Class Client |
|
8
|
|
|
* |
|
9
|
|
|
* @package Kwkm\MkLiveStatusClient |
|
10
|
|
|
* @author Takehiro Kawakami <[email protected]> |
|
11
|
|
|
* @license MIT |
|
12
|
|
|
*/ |
|
13
|
|
|
class Client |
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* 設定 |
|
17
|
|
|
* @var Configuration |
|
18
|
|
|
* @link http://php.net/manual/en/function.socket-set-option.php |
|
19
|
|
|
*/ |
|
20
|
|
|
protected $config; |
|
21
|
|
|
|
|
22
|
|
|
/** |
|
23
|
|
|
* ソケットのリソース |
|
24
|
|
|
* @var resource |
|
25
|
|
|
*/ |
|
26
|
|
|
protected $socket = null; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* コンストラクタ |
|
30
|
|
|
* |
|
31
|
|
|
* @param Configuration $conf |
|
32
|
|
|
* @throw \BadFunctionCallException |
|
33
|
|
|
* @throw \InvalidArgumentException |
|
34
|
|
|
*/ |
|
35
|
|
|
public function __construct(Configuration $conf) |
|
36
|
|
|
{ |
|
37
|
|
|
$this->config = $conf; |
|
38
|
|
|
|
|
39
|
|
|
$this->reset(); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Lqlの実行 |
|
44
|
|
|
* |
|
45
|
|
|
* @param \Kwkm\MkLiveStatusClient\LqlAbstract $lql |
|
46
|
|
|
* @return array |
|
47
|
|
|
* @throw \RuntimeException |
|
48
|
|
|
*/ |
|
49
|
|
|
public function execute(LqlAbstract $lql) |
|
50
|
|
|
{ |
|
51
|
|
|
$result = $this->executeRequest($lql->build()); |
|
52
|
|
|
|
|
53
|
|
|
$this->verifyStatusCode($result); |
|
54
|
|
|
|
|
55
|
|
|
$response = utf8_encode($result['response']); |
|
56
|
|
|
|
|
57
|
|
|
if (is_null($response)) { |
|
58
|
|
|
throw new RuntimeException("The response was invalid."); |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
return $response; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* リクエストの発行 |
|
66
|
|
|
* @param $query |
|
67
|
|
|
* @return array |
|
68
|
|
|
*/ |
|
69
|
|
|
private function executeRequest($query) |
|
70
|
|
|
{ |
|
71
|
|
|
$this->openSocket(); |
|
72
|
|
|
socket_write($this->socket, $query); |
|
73
|
|
|
// Read 16 bytes to get the status code and body size |
|
74
|
|
|
$header = $this->readSocket(16); |
|
75
|
|
|
$status = substr($header, 0, 3); |
|
76
|
|
|
$length = intval(trim(substr($header, 4, 11))); |
|
77
|
|
|
$response = $this->readSocket($length); |
|
78
|
|
|
$this->closeSocket(); |
|
79
|
|
|
|
|
80
|
|
|
return array( |
|
81
|
|
|
'status' => $status, |
|
82
|
|
|
'length' => $length, |
|
83
|
|
|
'response' => $response, |
|
84
|
|
|
); |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* ステータスコードの確認 |
|
89
|
|
|
* @param $response |
|
90
|
|
|
*/ |
|
91
|
|
|
private function verifyStatusCode($response) |
|
92
|
|
|
{ |
|
93
|
|
|
// Check for errors. A 200 response means request was OK. |
|
94
|
|
|
// Any other response is a failure. |
|
95
|
|
|
if ($response['status'] != "200") { |
|
96
|
|
|
throw new RuntimeException( |
|
97
|
|
|
"Error response from Nagios MK Livestatus: " . $response['status'], |
|
98
|
|
|
(int) $response['status'] |
|
99
|
|
|
); |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* リセット処理 |
|
105
|
|
|
*/ |
|
106
|
|
|
public function reset() |
|
107
|
|
|
{ |
|
108
|
|
|
$this->closeSocket(); |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* 接続の開始 |
|
113
|
|
|
* |
|
114
|
|
|
* @throw \RuntimeException |
|
115
|
|
|
*/ |
|
116
|
|
|
protected function openSocket() |
|
117
|
|
|
{ |
|
118
|
|
|
if (!is_null($this->socket)) { |
|
119
|
|
|
// Assume socket still good and continue |
|
120
|
|
|
return; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
switch ($this->config->socketType) { |
|
124
|
|
|
case 'unix': |
|
125
|
|
|
$this->openUnixSocket(); |
|
126
|
|
|
break; |
|
127
|
|
|
case 'tcp': |
|
128
|
|
|
$this->openTcpSocket(); |
|
129
|
|
|
break; |
|
130
|
|
|
} |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* Unixソケットの接続を開始 |
|
135
|
|
|
*/ |
|
136
|
|
|
private function openUnixSocket() |
|
137
|
|
|
{ |
|
138
|
|
|
$this->socket = socket_create(AF_UNIX, SOCK_STREAM, 0); |
|
139
|
|
|
if (!$this->socket) { |
|
140
|
|
|
$this->socket = null; |
|
141
|
|
|
throw new RuntimeException("Could not create socket."); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
if (false === socket_connect($this->socket, $this->config->socketPath)) { |
|
145
|
|
|
$this->closeSocket(); |
|
146
|
|
|
throw new RuntimeException("Unable to connect to socket."); |
|
147
|
|
|
} |
|
148
|
|
|
|
|
149
|
|
|
$this->setSocketTimeout(); |
|
150
|
|
|
} |
|
151
|
|
|
|
|
152
|
|
|
/** |
|
153
|
|
|
* Tcpソケットの接続を開始 |
|
154
|
|
|
*/ |
|
155
|
|
|
private function openTcpSocket() |
|
156
|
|
|
{ |
|
157
|
|
|
$this->socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); |
|
158
|
|
|
if (!$this->socket) { |
|
159
|
|
|
$this->socket = null; |
|
160
|
|
|
throw new RuntimeException("Could not create socket."); |
|
161
|
|
|
} |
|
162
|
|
|
|
|
163
|
|
|
if (false === socket_connect($this->socket, $this->config->socketAddress, $this->config->socketPort)) { |
|
164
|
|
|
$this->closeSocket(); |
|
165
|
|
|
throw new RuntimeException("Unable to connect to socket."); |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
socket_set_option($this->socket, SOL_TCP, TCP_NODELAY, 1); |
|
169
|
|
|
|
|
170
|
|
|
$this->setSocketTimeout(); |
|
171
|
|
|
} |
|
172
|
|
|
|
|
173
|
|
|
/** |
|
174
|
|
|
* ソケットタイムアウトの設定 |
|
175
|
|
|
*/ |
|
176
|
|
|
private function setSocketTimeout() |
|
177
|
|
|
{ |
|
178
|
|
|
if (count($this->config->socketTimeout) !== 0) { |
|
179
|
|
|
socket_set_option($this->socket, SOCK_STREAM, SO_RCVTIMEO, $this->config->socketTimeout); |
|
180
|
|
|
socket_set_option($this->socket, SOCK_STREAM, SO_SNDTIMEO, $this->config->socketTimeout); |
|
181
|
|
|
} |
|
182
|
|
|
} |
|
183
|
|
|
|
|
184
|
|
|
/** |
|
185
|
|
|
* 接続の切断 |
|
186
|
|
|
*/ |
|
187
|
|
|
protected function closeSocket() |
|
188
|
|
|
{ |
|
189
|
|
|
if (is_resource($this->socket)) { |
|
190
|
|
|
socket_close($this->socket); |
|
191
|
|
|
} |
|
192
|
|
|
$this->socket = null; |
|
193
|
|
|
} |
|
194
|
|
|
|
|
195
|
|
|
/** |
|
196
|
|
|
* ソケットの読み出し |
|
197
|
|
|
* |
|
198
|
|
|
* @param integer $length |
|
199
|
|
|
* @return string |
|
200
|
|
|
* @throw \RuntimeException |
|
201
|
|
|
*/ |
|
202
|
|
|
protected function readSocket($length) |
|
203
|
|
|
{ |
|
204
|
|
|
$offset = 0; |
|
205
|
|
|
$socketData = ""; |
|
206
|
|
|
while ($offset < $length) { |
|
207
|
|
|
if (false === ($data = socket_read($this->socket, $length - $offset))) { |
|
208
|
|
|
throw new RuntimeException( |
|
209
|
|
|
"Problem reading from socket: " |
|
210
|
|
|
. socket_strerror(socket_last_error($this->socket)) |
|
211
|
|
|
); |
|
212
|
|
|
} |
|
213
|
|
|
$dataLen = strlen($data); |
|
214
|
|
|
$offset += $dataLen; |
|
215
|
|
|
$socketData .= $data; |
|
216
|
|
|
if ($dataLen == 0) { |
|
217
|
|
|
break; |
|
218
|
|
|
} |
|
219
|
|
|
} |
|
220
|
|
|
|
|
221
|
|
|
return $socketData; |
|
222
|
|
|
} |
|
223
|
|
|
} |
|
224
|
|
|
|
kwkm /
MkLiveStatusClient
