aboutsummaryrefslogtreecommitdiffstats
path: root/phpBB/phpbb/console/command/cron/run.php
blob: dea6493007321a4da2815c5624942d0faff8d42d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

namespace phpbb\console\command\cron;

use phpbb\exception\runtime_exception;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Output\OutputInterface;

class run extends \phpbb\console\command\command
{
	/** @var \phpbb\cron\manager */
	protected $cron_manager;

	/** @var \phpbb\lock\db */
	protected $lock_db;

	/**
	* Construct method
	*
	* @param \phpbb\user $user The user object (used to get language information)
	* @param \phpbb\cron\manager $cron_manager The cron manager containing
	*		the cron tasks to be executed.
	* @param \phpbb\lock\db $lock_db The lock for accessing database.
	*/
	public function __construct(\phpbb\user $user, \phpbb\cron\manager $cron_manager, \phpbb\lock\db $lock_db)
	{
		$this->cron_manager = $cron_manager;
		$this->lock_db = $lock_db;
		parent::__construct($user);
	}

	/**
	* Sets the command name and description
	*
	* @return null
	*/
	protected function configure()
	{
		$this
			->setName('cron:run')
			->setDescription($this->user->lang('CLI_DESCRIPTION_CRON_RUN'))
			->setHelp($this->user->lang('CLI_HELP_CRON_RUN'))
			->addArgument('name', InputArgument::OPTIONAL, $this->user->lang('CLI_DESCRIPTION_CRON_RUN_ARGUMENT_1'))
		;
	}

	/**
	* Executes the command cron:run.
	*
	* Tries to acquire the cron lock, then if no argument has been given runs all ready cron tasks.
	* If the cron lock can not be obtained, an error message is printed
	*		and the exit status is set to 1.
	* If the verbose option is specified, each start of a task is printed.
	*		Otherwise there is no output.
	* If an argument is given to the command, only the task whose name matches the
	*		argument will be started. If verbose option is specified,
	*		an info message containing the name of the task is printed.
	* If no task matches the argument given, an error message is printed
	*		and the exit status is set to 2.
	*
	* @param InputInterface $input The input stream used to get the argument and verboe option.
	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
	*
	* @return int 0 if all is ok, 1 if a lock error occured and 2 if no task matching the argument was found.
	*/
	protected function execute(InputInterface $input, OutputInterface $output)
	{
		if ($this->lock_db->acquire())
		{
			$task_name = $input->getArgument('name');
			if ($task_name)
			{
				$exit_status = $this->run_one($input, $output, $task_name);
			}
			else
			{
				$exit_status = $this->run_all($input, $output);
			}

			$this->lock_db->release();
			return $exit_status;
		}
		else
		{
			throw new runtime_exception('CRON_LOCK_ERROR', array(), null, 1);
		}
	}

	/**
	* Executes all ready cron tasks.
	*
	* If verbose mode is set, an info message will be printed if there is no task to
	*		be run, or else for each starting task.
	*
	* @see execute
	* @param InputInterface $input The input stream used to get the argument and verbose option.
	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
	* @return int 0
	*/
	protected function run_all(InputInterface $input, OutputInterface $output)
	{
		$run_tasks = $this->cron_manager->find_all_ready_tasks();

		if ($run_tasks)
		{
			foreach ($run_tasks as $task)
			{
				if ($input->getOption('verbose'))
				{
					$output->writeln('<info>' . $this->user->lang('RUNNING_TASK', $task->get_name()) . '</info>');
				}

				$task->run();
			}
		}
		else
		{
			if ($input->getOption('verbose'))
			{
				$output->writeln('<info>' . $this->user->lang('CRON_NO_TASK') . '</info>');
			}
		}

		return 0;
	}

	/**
	* Executes a given cron task, if it is ready.
	*
	* If there is a task whose name matches $task_name, it is run and 0 is returned.
	*		and if verbose mode is set, print an info message with the name of the task.
	* If there is no task matching $task_name, the function prints an error message
	*		and returns with status 2.
	*
	* @see execute
	* @param string $task_name The name of the task that should be run.
	* @param InputInterface $input The input stream used to get the argument and verbose option.
	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
	* @return int 0 if all is well, 2 if no task matches $task_name.
	*/
	protected function run_one(InputInterface $input, OutputInterface $output, $task_name)
	{
		$task = $this->cron_manager->find_task($task_name);
		if ($task)
		{
			if ($input->getOption('verbose'))
			{
				$output->writeln('<info>' . $this->user->lang('RUNNING_TASK', $task_name) . '</info>');
			}

			$task->run();
			return 0;
		}
		else
		{
			throw new runtime_exception('CRON_NO_SUCH_TASK', array( $task_name), null, 2);
		}
	}
}