|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of the Tidal/WampWatch package. |
|
5
|
|
|
* (c) 2016 Timo Michna <timomichna/yahoo.de> |
|
6
|
|
|
* |
|
7
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
8
|
|
|
* file that was distributed with this source code. |
|
9
|
|
|
* |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Tidal\WampWatch; |
|
13
|
|
|
|
|
14
|
|
|
use Evenement\EventEmitterTrait; |
|
15
|
|
|
use React\Promise\Promise; |
|
16
|
|
|
use Tidal\WampWatch\ClientSessionInterface as ClientSession; |
|
17
|
|
|
use Tidal\WampWatch\Subscription\Collection as SubscriptionCollection; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Description of MonitorTrait. |
|
21
|
|
|
* |
|
22
|
|
|
* @author Timo |
|
23
|
|
|
*/ |
|
24
|
|
|
trait MonitorTrait |
|
25
|
|
|
{ |
|
26
|
|
|
use EventEmitterTrait; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* The monitor's WAMP client session. |
|
30
|
|
|
* |
|
31
|
|
|
* @var ClientSession |
|
32
|
|
|
*/ |
|
33
|
|
|
protected $session; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* if the monitor is running. |
|
37
|
|
|
* |
|
38
|
|
|
* @var bool |
|
39
|
|
|
*/ |
|
40
|
|
|
protected $isRunning = false; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* @var SubscriptionCollection collection for meta subscriptions |
|
44
|
|
|
*/ |
|
45
|
|
|
protected $metaSubscriptionCollection; |
|
46
|
|
|
|
|
47
|
|
|
/** |
|
48
|
|
|
* @var string |
|
49
|
|
|
*/ |
|
50
|
|
|
protected $initialCallProcedure; |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* @var callable |
|
54
|
|
|
*/ |
|
55
|
|
|
protected $initialCallCallback; |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @var bool |
|
59
|
|
|
*/ |
|
60
|
|
|
protected $initialCallDone = false; |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @param ClientSession $session |
|
64
|
|
|
*/ |
|
65
|
|
|
protected function setClientSession(ClientSession $session) |
|
66
|
|
|
{ |
|
67
|
|
|
$this->session = $session; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* Start the monitor. |
|
72
|
|
|
* |
|
73
|
|
|
* @return bool |
|
74
|
|
|
*/ |
|
75
|
|
|
public function start() |
|
76
|
|
|
{ |
|
77
|
|
|
$this->getMetaSubscriptionCollection()->subscribe()->done(function () { |
|
78
|
|
|
$this->checkStarted(); |
|
79
|
|
|
}); |
|
80
|
|
|
$this->callInitialProcedure()->done(function () { |
|
81
|
|
|
$this->checkStarted(); |
|
82
|
|
|
}); |
|
83
|
|
|
|
|
84
|
|
|
return true; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* Stop the monitor. |
|
89
|
|
|
* Returns boolean if the monitor could be started. |
|
90
|
|
|
* |
|
91
|
|
|
* @return bool |
|
92
|
|
|
*/ |
|
93
|
|
|
public function stop() |
|
94
|
|
|
{ |
|
95
|
|
|
if (!$this->isRunning()) { |
|
96
|
|
|
return false; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
$this->getMetaSubscriptionCollection()->unsubscribe(); |
|
100
|
|
|
|
|
101
|
|
|
$this->isRunning = false; |
|
102
|
|
|
$this->emit('stop', [$this]); |
|
103
|
|
|
|
|
104
|
|
|
return true; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
protected function getList() |
|
108
|
|
|
{ |
|
109
|
|
|
return []; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Get the monitor's WAMP client session. |
|
114
|
|
|
* |
|
115
|
|
|
* @return ClientSession |
|
116
|
|
|
*/ |
|
117
|
|
|
public function getServerSession() |
|
118
|
|
|
{ |
|
119
|
|
|
return $this->session; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* Get the monitor's running state. |
|
124
|
|
|
* |
|
125
|
|
|
* @return bool |
|
126
|
|
|
*/ |
|
127
|
|
|
public function isRunning() |
|
128
|
|
|
{ |
|
129
|
|
|
return $this->isRunning; |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* @param \Tidal\WampWatch\Subscription\Collection $collection |
|
134
|
|
|
*/ |
|
135
|
|
|
public function setMetaSubscriptionCollection(SubscriptionCollection $collection) |
|
136
|
|
|
{ |
|
137
|
|
|
$this->metaSubscriptionCollection = $collection; |
|
138
|
|
|
} |
|
139
|
|
|
|
|
140
|
|
|
/** |
|
141
|
|
|
* @return \Tidal\WampWatch\Subscription\Collection |
|
142
|
|
|
*/ |
|
143
|
|
|
public function getMetaSubscriptionCollection() |
|
144
|
|
|
{ |
|
145
|
|
|
return isset($this->metaSubscriptionCollection) |
|
146
|
|
|
? $this->metaSubscriptionCollection |
|
147
|
|
|
: $this->metaSubscriptionCollection = new SubscriptionCollection($this->session); |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
protected function setInitialCall($pocedure, callable $callback) |
|
151
|
|
|
{ |
|
152
|
|
|
$this->initialCallProcedure = (string) $pocedure; |
|
153
|
|
|
$this->initialCallCallback = $callback; |
|
154
|
|
|
} |
|
155
|
|
|
|
|
156
|
|
|
/** |
|
157
|
|
|
* @return \React\Promise\Promise |
|
158
|
|
|
*/ |
|
159
|
|
|
protected function callInitialProcedure() |
|
160
|
|
|
{ |
|
161
|
|
|
if (!isset($this->initialCallProcedure) || !isset($this->initialCallCallback)) { |
|
162
|
|
|
$this->initialCallDone = true; |
|
163
|
|
|
$resolver = function (callable $resolve) { |
|
164
|
|
|
$resolve(); |
|
165
|
|
|
}; |
|
166
|
|
|
|
|
167
|
|
|
return new Promise($resolver); |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
|
|
return $this->session->call($this->initialCallProcedure, [])->then(function ($res) { |
|
171
|
|
|
$this->initialCallDone = true; |
|
172
|
|
|
$cb = $this->initialCallCallback; |
|
173
|
|
|
$cb($res); |
|
174
|
|
|
|
|
175
|
|
|
return $res; |
|
176
|
|
|
}); |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/** |
|
180
|
|
|
* Checks if all necessary subscriptions and calls have been responded to. |
|
181
|
|
|
*/ |
|
182
|
|
|
protected function checkStarted() |
|
183
|
|
|
{ |
|
184
|
|
|
if ($this->isMetaSubscribed() && |
|
185
|
|
|
$this->initialCallDone && |
|
186
|
|
|
!$this->isRunning() |
|
187
|
|
|
) { |
|
188
|
|
|
$this->isRunning = true; |
|
189
|
|
|
$this->emit('start', [$this->getList()]); |
|
190
|
|
|
} |
|
191
|
|
|
} |
|
192
|
|
|
|
|
193
|
|
|
protected function isMetaSubscribed() |
|
194
|
|
|
{ |
|
195
|
|
|
if (!$this->getMetaSubscriptionCollection()->hasSubscription()) { |
|
196
|
|
|
return true; |
|
197
|
|
|
} |
|
198
|
|
|
|
|
199
|
|
|
return $this->getMetaSubscriptionCollection()->isSubscribed(); |
|
200
|
|
|
} |
|
201
|
|
|
} |
|
202
|
|
|
|
tidal /
WampWatch
