LiveProfiler::useXhprofSample() - Code Metrics - Inspection of "Merge branch 'master' of https://github.com/badoo/..." - badoo/liveprof - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f9c32c...284b26 )

by Shagiakhmetov

created 2019-02-26 11:51 UTC

LiveProfiler::useXhprofSample() A

↳ Parent: Project

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	23
ccs	0
cts	12
cp	0
rs	9.552
c	0
b	0
f	0
cc	2
nc	2
nop	0
crap	6

<?php

/**
 * @maintainer Timur Shagiakhmetov <[email protected]>
 */

namespace Badoo\LiveProfiler;

use Doctrine\DBAL\Connection;
use Doctrine\DBAL\DBALException;
use Psr\Log\LoggerInterface;

class LiveProfiler
{
    CONST MODE_DB = 'db';

    CONST MODE_FILES = 'files';


    /** @var LiveProfiler */
    protected static $instance;
    /** @var string */
    protected $mode = self::MODE_DB;
    /** @var string */
    protected $path = '';
    /** @var Connection */
    protected $Conn;
    /** @var LoggerInterface */
    protected $Logger;
    /** @var DataPackerInterface */
    protected $DataPacker;
    /** @var string */
    protected $connection_string;
    /** @var string */
    protected $app;
    /** @var string */
    protected $label;
    /** @var string */
    protected $datetime;
    /** @var int */
    protected $divider = 1000;
    /** @var int */
    protected $total_divider = 10000;
    /** @var callable callback to start profiling */
    protected $start_callback;
    /** @var callable callback to end profiling */
    protected $end_callback;
    /** @var bool */
    protected $is_enabled = false;
    /** @var array */
    protected $last_profile_data = [];

    /**
     * LiveProfiler constructor.
     * @param string $connection_string_or_path
     * @param string $mode
     */
    public function __construct($connection_string_or_path = '', $mode = self::MODE_DB)
    {
        $this->mode = $mode;

        $this->app = 'Default';
        $this->label = $this->getAutoLabel();
        $this->datetime = date('Y-m-d H:i:s');

        $this->detectProfiler();
        $this->Logger = new Logger();
        $this->DataPacker = new DataPacker();

        if ($mode === self::MODE_DB) {
            $this->connection_string = $connection_string_or_path ?: getenv('LIVE_PROFILER_CONNECTION_URL');
        } else {
            $this->setPath($connection_string_or_path ?: getenv('LIVE_PROFILER_PATH'));
        }
    }

    public static function getInstance($connection_string = '', $mode = self::MODE_DB)
    {
        if (self::$instance === null) {
            self::$instance = new static($connection_string, $mode);
        }

        return self::$instance;
    }

    public function start()
    {
        if ($this->is_enabled) {
            return true;
        }

        if (null === $this->start_callback) {
            return true;
        }

        if ($this->needToStart($this->divider)) {
            $this->is_enabled = true;
        } elseif ($this->needToStart($this->total_divider)) {
            $this->is_enabled = true;
            $this->label = 'All';
        }

        if ($this->is_enabled) {
            register_shutdown_function([$this, 'end']);
            call_user_func($this->start_callback);
        }

        return true;
    }

    /**
     * @return bool
     */
    public function end()
    {
        if (!$this->is_enabled) {
            return true;
        }

        $this->is_enabled = false;

        if (null === $this->end_callback) {
            return true;
        }

        $data = call_user_func($this->end_callback);
        if (!is_array($data)) {
            $this->Logger->warning('Invalid profiler data: ' . var_export($data, true));
            return false;
        }

        $this->last_profile_data = $data;
        $result = $this->save($this->app, $this->label, $this->datetime, $data);

        if (!$result) {
            $this->Logger->warning('Can\'t insert profile data');
        }

        return $result;
    }

    public function detectProfiler()
    {
        if (function_exists('xhprof_enable')) {
            return $this->useXhprof();
        }

        if (function_exists('tideways_xhprof_enable')) {
            return $this->useTidyWays();
        }

        if (function_exists('uprofiler_enable')) {
            return $this->useUprofiler();
        }

        return false;
    }

    public function useXhprof()
    {
        if ($this->is_enabled) {
            $this->Logger->warning('can\'t change profiler after profiling started');
            return false;
        }

        $this->start_callback = function () {
            xhprof_enable(XHPROF_FLAGS_MEMORY | XHPROF_FLAGS_CPU);
        };

        $this->end_callback = function () {
            return xhprof_disable();
        };

        return true;
    }

    public function useXhprofSample()
    {
        if ($this->is_enabled) {
            $this->Logger->warning('can\'t change profiler after profiling started');
            return false;
        }

        ini_set('xhprof.sampling_interval',100000);
        ini_set('xhprof.sampling_depth',200);

        $this->start_callback = function () {
            define('XHPROF_SAMPLING_BEGIN', microtime(true));
            xhprof_sample_enable();
        };

        $this->end_callback = function () {
            $sampling_data = xhprof_sample_disable();

            return $this->convertSampleDataToCommonFormat($sampling_data);
        };

        return true;
    }

    protected function convertSampleDataToCommonFormat(array $sampling_data)
    {
        $result_data = [
            'main()' => [
                'ct' => 1,
                'wt' => 0,
            ]
        ];
        $prev_time = XHPROF_SAMPLING_BEGIN;
        $prev_callstack = null;
        foreach ($sampling_data as $time => $callstack) {
            $wt = (int)(($time - $prev_time) * 1000000);
            $functions = explode('==>', $callstack);
            $prev_i = 0;
            $func_cnt = count($functions);
            for ($i = 1; $i < $func_cnt; $i++) {
                $key = $functions[$prev_i] . '==>' . $functions[$i];

                if (!isset($result_data[$key])) {
                    $result_data[$key] = [
                        'ct' => 0,
                        'wt' => 0,
                    ];
                }

                $result_data[$key]['wt'] += $wt;
                if ($i === $func_cnt - 1) {
                    if ($callstack !== $prev_callstack) {
                        $result_data[$key]['ct']++;
                    }
                    $result_data['main()']['wt'] += $wt;
                }
            }

            $prev_time = $time;
            $prev_callstack = $callstack;
        }

        return $result_data;
    }

    public function useTidyWays()
    {
        if ($this->is_enabled) {
            $this->Logger->warning('can\'t change profiler after profiling started');
            return false;
        }

        $this->start_callback = function () {
            tideways_xhprof_enable(TIDEWAYS_XHPROF_FLAGS_MEMORY | TIDEWAYS_XHPROF_FLAGS_CPU);
        };

        $this->end_callback = function () {
            return tideways_xhprof_disable();
        };

        return true;
    }

    public function useUprofiler()
    {
        if ($this->is_enabled) {
            $this->Logger->warning('can\'t change profiler after profiling started');
            return false;
        }

        $this->start_callback = function () {
            uprofiler_enable(UPROFILER_FLAGS_CPU | UPROFILER_FLAGS_MEMORY);
        };

        $this->end_callback = function () {
            return uprofiler_disable();
        };

        return true;
    }

    /**
     * @return bool
     */
    public function reset()
    {
        if ($this->is_enabled) {
            call_user_func($this->end_callback);
            $this->is_enabled = false;
        }

        return true;
    }

    /**
     * @param string $mode
     * @return $this
     */
    public function setMode($mode)
    {
        $this->mode = $mode;
        return $this;
    }

    /**
     * @return string
     */
    public function getMode()
    {
        return $this->mode;
    }

    /**
     * @param string $path
     * @return $this
     */
    public function setPath($path)
    {
        if (!is_dir($path)) {
            $this->Logger->error('Directory ' . $path . ' does not exists');
        }

        $this->path = $path;
        return $this;
    }

    /**
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     * @param string $app
     * @return $this
     */
    public function setApp($app)
    {
        $this->app = $app;
        return $this;
    }

    /**
     * @return string
     */
    public function getApp()
    {
        return $this->app;
    }

    /**
     * @param string $label
     * @return $this
     */
    public function setLabel($label)
    {
        $this->label = $label;
        return $this;
    }

    /**
     * @return string
     */
    public function getLabel()
    {
        return $this->label;
    }

    /**
     * @param string $datetime
     * @return $this
     */
    public function setDateTime($datetime)
    {
        $this->datetime = $datetime;
        return $this;
    }

    /**
     * @return string
     */
    public function getDateTime()
    {
        return $this->datetime;
    }

    /**
     * @param int $divider
     * @return $this
     */
    public function setDivider($divider)
    {
        $this->divider = $divider;
        return $this;
    }

    /**
     * @param int $total_divider
     * @return $this
     */
    public function setTotalDivider($total_divider)
    {
        $this->total_divider = $total_divider;
        return $this;
    }

    /**
     * @param \Closure $start_callback
     * @return $this
     */
    public function setStartCallback(\Closure $start_callback)
    {
        $this->start_callback = $start_callback;
        return $this;
    }

    /**
     * @param \Closure $end_callback
     * @return $this
     */
    public function setEndCallback(\Closure $end_callback)
    {
        $this->end_callback = $end_callback;
        return $this;
    }

    /**
     * @param LoggerInterface $Logger
     * @return $this
     */
    public function setLogger(LoggerInterface $Logger)
    {
        $this->Logger = $Logger;
        return $this;
    }

    /**
     * @param DataPackerInterface $DataPacker
     * @return $this
     */
    public function setDataPacker($DataPacker)
    {
        $this->DataPacker = $DataPacker;
        return $this;
    }

    /**
     * @return array
     */
    public function getLastProfileData()
    {
        return $this->last_profile_data;
    }

    /**
     * @return Connection
     * @throws DBALException
     */
    protected function getConnection()
    {
        if (null === $this->Conn) {
            $config = new \Doctrine\DBAL\Configuration();
            $connectionParams = ['url' => $this->connection_string];
            $this->Conn = \Doctrine\DBAL\DriverManager::getConnection($connectionParams, $config);
        }

        return $this->Conn;
    }

    /**
     * @param Connection $Conn
     * @return $this
     */
    public function setConnection(Connection $Conn)
    {
        $this->Conn = $Conn;
        return $this;
    }

    /**
     * @param string $connection_string
     * @return $this
     */
    public function setConnectionString($connection_string)
    {
        $this->connection_string = $connection_string;
        return $this;
    }

    /**
     * @param string $app
     * @param string $label
     * @param string $datetime
     * @param array $data
     * @return bool
     */
    protected function save($app, $label, $datetime, $data)
    {
        if ($this->mode === self::MODE_DB) {
            return $this->saveToDB($app, $label, $datetime, $data);
        }

        return $this->saveToFile($app, $label, $datetime, $data);
    }

    /**
     * @param string $app
     * @param string $label
     * @param string $datetime
     * @param array $data
     * @return bool
     */
    protected function saveToDB($app, $label, $datetime, $data)
    {
        $packed_data = $this->DataPacker->pack($data);

        try {
            return (bool)$this->getConnection()->insert(
                'details',
                [
                    'app' => $app,
                    'label' => $label,
                    'perfdata' => $packed_data,
                    'timestamp' => $datetime
                ]
            );
        } catch (DBALException $Ex) {
            $this->Logger->error('Error in insertion profile data: ' . $Ex->getMessage());
            return false;
        }
    }

    /**
     * @param string $app
     * @param string $label
     * @param string $datetime
     * @param array $data
     * @return bool
     */
    private function saveToFile($app, $label, $datetime, $data)
    {
        $path = sprintf('%s/%s/%s', $this->path, $app, base64_encode($label));

        if (!is_dir($path) && !mkdir($path, 0755, true) && !is_dir($path)) {
            $this->Logger->error('Directory "'. $path .'" was not created');
            return false;
        }

        $filename = sprintf('%s/%s.json', $path, strtotime($datetime));
        $packed_data = $this->DataPacker->pack($data);
        return (bool)file_put_contents($filename, $packed_data);
    }

    /**
     * @throws DBALException
     */
    public function createTable()
    {
        $driver_name = $this->getConnection()->getDriver()->getName();
        $sql_path = __DIR__ . '/../../../bin/install_data/' . $driver_name . '/source.sql';
        if (!file_exists($sql_path)) {
            $this->Logger->error('Invalid sql path:' . $sql_path);
            return false;
        }

        $sql = file_get_contents($sql_path);

        $this->getConnection()->exec($sql);
        return true;
    }

    /**
     * @return string
     */
    protected function getAutoLabel()
    {
        if (!empty($_SERVER['REQUEST_URI'])) {
            $label = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
            return $label ?: $_SERVER['REQUEST_URI'];
        }

        return $_SERVER['SCRIPT_NAME'];
    }

    /**
     * @param int $divider
     * @return bool
     */
    protected function needToStart($divider)
    {
        return mt_rand(1, $divider) === 1;
    }
}


1		<?php
2
3		/**
4		* @maintainer Timur Shagiakhmetov <[email protected]>
5		*/
6
7		namespace Badoo\LiveProfiler;
8
9		use Doctrine\DBAL\Connection;
10		use Doctrine\DBAL\DBALException;
11		use Psr\Log\LoggerInterface;
12
13		class LiveProfiler
14		{
15		CONST MODE_DB = 'db';
		0 ignored issues – show Coding Style introduced 2019-02-18 19:23 UTC by Report Bug Copy Issue Report As per coding-style, PHP keywords should be in lowercase; expected `const`, but found `CONST`. Loading history...
16		CONST MODE_FILES = 'files';
		0 ignored issues – show Coding Style introduced 2019-02-18 19:23 UTC by Report Bug Copy Issue Report As per coding-style, PHP keywords should be in lowercase; expected `const`, but found `CONST`. Loading history...
17
18		/** @var LiveProfiler */
19		protected static $instance;
20		/** @var string */
21		protected $mode = self::MODE_DB;
22		/** @var string */
23		protected $path = '';
24		/** @var Connection */
25		protected $Conn;
26		/** @var LoggerInterface */
27		protected $Logger;
28		/** @var DataPackerInterface */
29		protected $DataPacker;
30		/** @var string */
31		protected $connection_string;
32		/** @var string */
33		protected $app;
34		/** @var string */
35		protected $label;
36		/** @var string */
37		protected $datetime;
38		/** @var int */
39		protected $divider = 1000;
40		/** @var int */
41		protected $total_divider = 10000;
42		/** @var callable callback to start profiling */
43		protected $start_callback;
44		/** @var callable callback to end profiling */
45		protected $end_callback;
46		/** @var bool */
47		protected $is_enabled = false;
48		/** @var array */
49		protected $last_profile_data = [];
50
51		/**
52		* LiveProfiler constructor.
53		* @param string $connection_string_or_path
54		* @param string $mode
55		*/
56	16	public function __construct($connection_string_or_path = '', $mode = self::MODE_DB)
57		{
58	16	$this->mode = $mode;
59
60	16	$this->app = 'Default';
61	16	$this->label = $this->getAutoLabel();
62	16	$this->datetime = date('Y-m-d H:i:s');
63
64	16	$this->detectProfiler();
65	16	$this->Logger = new Logger();
66	16	$this->DataPacker = new DataPacker();
67
68	16	if ($mode === self::MODE_DB) {
69	15	$this->connection_string = $connection_string_or_path ?: getenv('LIVE_PROFILER_CONNECTION_URL');
70	15	} else {
71	1	$this->setPath($connection_string_or_path ?: getenv('LIVE_PROFILER_PATH'));
72		}
73	16	}
74
75	1	public static function getInstance($connection_string = '', $mode = self::MODE_DB)
76		{
77	1	if (self::$instance === null) {
78	1	self::$instance = new static($connection_string, $mode);
79	1	}
80
81	1	return self::$instance;
82		}
83
84	7	public function start()
85		{
86	7	if ($this->is_enabled) {
87	1	return true;
88		}
89
90	6	if (null === $this->start_callback) {
91	1	return true;
92		}
93
94	5	if ($this->needToStart($this->divider)) {
95	4	$this->is_enabled = true;
96	5	} elseif ($this->needToStart($this->total_divider)) {
97	1	$this->is_enabled = true;
98	1	$this->label = 'All';
99	1	}
100
101	5	if ($this->is_enabled) {
102	5	register_shutdown_function([$this, 'end']);
103	5	call_user_func($this->start_callback);
104	5	}
105
106	5	return true;
107		}
108
109		/**
110		* @return bool
111		*/
112	6	public function end()
113		{
114	6	if (!$this->is_enabled) {
115	1	return true;
116		}
117
118	5	$this->is_enabled = false;
119
120	5	if (null === $this->end_callback) {
121	1	return true;
122		}
123
124	4	$data = call_user_func($this->end_callback);
125	4	if (!is_array($data)) {
126	1	$this->Logger->warning('Invalid profiler data: ' . var_export($data, true));
127	1	return false;
128		}
129
130	3	$this->last_profile_data = $data;
131	3	$result = $this->save($this->app, $this->label, $this->datetime, $data);
132
133	3	if (!$result) {
134	2	$this->Logger->warning('Can\'t insert profile data');
135	2	}
136
137	3	return $result;
138		}
139
140	17	public function detectProfiler()
141	1	{
142	17	if (function_exists('xhprof_enable')) {
143		return $this->useXhprof();
144		}
145
146	17	if (function_exists('tideways_xhprof_enable')) {
147		return $this->useTidyWays();
148		}
149
150	17	if (function_exists('uprofiler_enable')) {
151		return $this->useUprofiler();
152		}
153
154	17	return false;
155		}
156
157	3	public function useXhprof()
158		{
159	2	if ($this->is_enabled) {
160	1	$this->Logger->warning('can\'t change profiler after profiling started');
161	3	return false;
162		}
163
164		$this->start_callback = function () {
165		xhprof_enable(XHPROF_FLAGS_MEMORY \| XHPROF_FLAGS_CPU);
166		};
167
168		$this->end_callback = function () {
169		return xhprof_disable();
170		};
171
172	1	return true;
173		}
174
175		public function useXhprofSample()
176		{
177		if ($this->is_enabled) {
178		$this->Logger->warning('can\'t change profiler after profiling started');
179		return false;
180		}
181
182		ini_set('xhprof.sampling_interval',100000);
183		ini_set('xhprof.sampling_depth',200);
184
185		$this->start_callback = function () {
186		define('XHPROF_SAMPLING_BEGIN', microtime(true));
187		xhprof_sample_enable();
188		};
189
190		$this->end_callback = function () {
191		$sampling_data = xhprof_sample_disable();
192
193		return $this->convertSampleDataToCommonFormat($sampling_data);
194		};
195
196		return true;
197		}
198
199	1	protected function convertSampleDataToCommonFormat(array $sampling_data)
200		{
201		$result_data = [
202		'main()' => [
203	1	'ct' => 1,
204	1	'wt' => 0,
205		]
206	1	];
207	1	$prev_time = XHPROF_SAMPLING_BEGIN;
208	1	$prev_callstack = null;
209	1	foreach ($sampling_data as $time => $callstack) {
210	1	$wt = (int)(($time - $prev_time) * 1000000);
211	1	$functions = explode('==>', $callstack);
212	1	$prev_i = 0;
213	1	$func_cnt = count($functions);
214	1	for ($i = 1; $i < $func_cnt; $i++) {
215	1	$key = $functions[$prev_i] . '==>' . $functions[$i];
216
217	1	if (!isset($result_data[$key])) {
218	1	$result_data[$key] = [
219	1	'ct' => 0,
220	1	'wt' => 0,
221		];
222	1	}
223
224	1	$result_data[$key]['wt'] += $wt;
225	1	if ($i === $func_cnt - 1) {
226	1	if ($callstack !== $prev_callstack) {
227	1	$result_data[$key]['ct']++;
228	1	}
229	1	$result_data['main()']['wt'] += $wt;
230	1	}
231	1	}
232
233	1	$prev_time = $time;
234	1	$prev_callstack = $callstack;
235	1	}
236
237	1	return $result_data;
238		}
239
240	2	public function useTidyWays()
241		{
242	2	if ($this->is_enabled) {
243	1	$this->Logger->warning('can\'t change profiler after profiling started');
244	1	return false;
245		}
246
247		$this->start_callback = function () {
248		tideways_xhprof_enable(TIDEWAYS_XHPROF_FLAGS_MEMORY \| TIDEWAYS_XHPROF_FLAGS_CPU);
249		};
250
251		$this->end_callback = function () {
252		return tideways_xhprof_disable();
253		};
254
255	1	return true;
256		}
257
258	2	public function useUprofiler()
259		{
260	2	if ($this->is_enabled) {
261	1	$this->Logger->warning('can\'t change profiler after profiling started');
262	1	return false;
263		}
264
265		$this->start_callback = function () {
266		uprofiler_enable(UPROFILER_FLAGS_CPU \| UPROFILER_FLAGS_MEMORY);
267		};
268
269		$this->end_callback = function () {
270		return uprofiler_disable();
271		};
272
273	1	return true;
274		}
275
276		/**
277		* @return bool
278		*/
279	1	public function reset()
280		{
281	1	if ($this->is_enabled) {
282	1	call_user_func($this->end_callback);
283	1	$this->is_enabled = false;
284	1	}
285
286	1	return true;
287		}
288
289		/**
290		* @param string $mode
291		* @return $this
292		*/
293	1	public function setMode($mode)
294		{
295	1	$this->mode = $mode;
296	1	return $this;
297		}
298
299		/**
300		* @return string
301		*/
302	1	public function getMode()
303		{
304	1	return $this->mode;
305		}
306
307		/**
308		* @param string $path
309		* @return $this
310		*/
311	2	public function setPath($path)
312		{
313	2	if (!is_dir($path)) {
314	1	$this->Logger->error('Directory ' . $path . ' does not exists');
315	1	}
316
317	2	$this->path = $path;
318	2	return $this;
319		}
320
321		/**
322		* @return string
323		*/
324	1	public function getPath()
325		{
326	1	return $this->path;
327		}
328
329		/**
330		* @param string $app
331		* @return $this
332		*/
333	1	public function setApp($app)
334		{
335	1	$this->app = $app;
336	1	return $this;
337		}
338
339		/**
340		* @return string
341		*/
342	1	public function getApp()
343		{
344	1	return $this->app;
345		}
346
347		/**
348		* @param string $label
349		* @return $this
350		*/
351	1	public function setLabel($label)
352		{
353	1	$this->label = $label;
354	1	return $this;
355		}
356
357		/**
358		* @return string
359		*/
360	1	public function getLabel()
361		{
362	1	return $this->label;
363		}
364
365		/**
366		* @param string $datetime
367		* @return $this
368		*/
369	1	public function setDateTime($datetime)
370		{
371	1	$this->datetime = $datetime;
372	1	return $this;
373		}
374
375		/**
376		* @return string
377		*/
378	1	public function getDateTime()
379		{
380	1	return $this->datetime;
381		}
382
383		/**
384		* @param int $divider
385		* @return $this
386		*/
387	5	public function setDivider($divider)
388		{
389	5	$this->divider = $divider;
390	5	return $this;
391		}
392
393		/**
394		* @param int $total_divider
395		* @return $this
396		*/
397	2	public function setTotalDivider($total_divider)
398		{
399	2	$this->total_divider = $total_divider;
400	2	return $this;
401		}
402
403		/**
404		* @param \Closure $start_callback
405		* @return $this
406		*/
407	5	public function setStartCallback(\Closure $start_callback)
408		{
409	5	$this->start_callback = $start_callback;
410	5	return $this;
411		}
412
413		/**
414		* @param \Closure $end_callback
415		* @return $this
416		*/
417	5	public function setEndCallback(\Closure $end_callback)
418		{
419	5	$this->end_callback = $end_callback;
420	5	return $this;
421		}
422
423		/**
424		* @param LoggerInterface $Logger
425		* @return $this
426		*/
427	8	public function setLogger(LoggerInterface $Logger)
428		{
429	8	$this->Logger = $Logger;
430	8	return $this;
431		}
432
433		/**
434		* @param DataPackerInterface $DataPacker
435		* @return $this
436		*/
437	2	public function setDataPacker($DataPacker)
438		{
439	2	$this->DataPacker = $DataPacker;
440	2	return $this;
441		}
442
443		/**
444		* @return array
445		*/
446	1	public function getLastProfileData()
447		{
448	1	return $this->last_profile_data;
449		}
450
451		/**
452		* @return Connection
453		* @throws DBALException
454		*/
455	3	protected function getConnection()
456		{
457	3	if (null === $this->Conn) {
458	3	$config = new \Doctrine\DBAL\Configuration();
459	3	$connectionParams = ['url' => $this->connection_string];
460	3	$this->Conn = \Doctrine\DBAL\DriverManager::getConnection($connectionParams, $config);
461	3	}
462
463	3	return $this->Conn;
464		}
465
466		/**
467		* @param Connection $Conn
468		* @return $this
469		*/
470	1	public function setConnection(Connection $Conn)
471		{
472	1	$this->Conn = $Conn;
473	1	return $this;
474		}
475
476		/**
477		* @param string $connection_string
478		* @return $this
479		*/
480	1	public function setConnectionString($connection_string)
481		{
482	1	$this->connection_string = $connection_string;
483	1	return $this;
484		}
485
486		/**
487		* @param string $app
488		* @param string $label
489		* @param string $datetime
490		* @param array $data
491		* @return bool
492		*/
493	1	protected function save($app, $label, $datetime, $data)
494		{
495	1	if ($this->mode === self::MODE_DB) {
496	1	return $this->saveToDB($app, $label, $datetime, $data);
497		}
498
499		return $this->saveToFile($app, $label, $datetime, $data);
500		}
501
502		/**
503		* @param string $app
504		* @param string $label
505		* @param string $datetime
506		* @param array $data
507		* @return bool
508		*/
509	1	protected function saveToDB($app, $label, $datetime, $data)
510		{
511	1	$packed_data = $this->DataPacker->pack($data);
512
513		try {
514	1	return (bool)$this->getConnection()->insert(
515	1	'details',
516		[
517	1	'app' => $app,
518	1	'label' => $label,
519	1	'perfdata' => $packed_data,
520		'timestamp' => $datetime
521	1	]
522	1	);
523		} catch (DBALException $Ex) {
524		$this->Logger->error('Error in insertion profile data: ' . $Ex->getMessage());
525		return false;
526		}
527		}
528
529		/**
530		* @param string $app
531		* @param string $label
532		* @param string $datetime
533		* @param array $data
534		* @return bool
535		*/
536	1	private function saveToFile($app, $label, $datetime, $data)
537		{
538	1	$path = sprintf('%s/%s/%s', $this->path, $app, base64_encode($label));
539
540	1	if (!is_dir($path) && !mkdir($path, 0755, true) && !is_dir($path)) {
541		$this->Logger->error('Directory "'. $path .'" was not created');
542		return false;
543		}
544
545	1	$filename = sprintf('%s/%s.json', $path, strtotime($datetime));
546	1	$packed_data = $this->DataPacker->pack($data);
547	1	return (bool)file_put_contents($filename, $packed_data);
548		}
549
550		/**
551		* @throws DBALException
552		*/
553	3	public function createTable()
554		{
555	3	$driver_name = $this->getConnection()->getDriver()->getName();
556	3	$sql_path = __DIR__ . '/../../../bin/install_data/' . $driver_name . '/source.sql';
557	3	if (!file_exists($sql_path)) {
558	1	$this->Logger->error('Invalid sql path:' . $sql_path);
559	1	return false;
560		}
561
562	2	$sql = file_get_contents($sql_path);
563
564	2	$this->getConnection()->exec($sql);
565	2	return true;
566		}
567
568		/**
569		* @return string
570		*/
571	16	protected function getAutoLabel()
572		{
573	16	if (!empty($_SERVER['REQUEST_URI'])) {
574	15	$label = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
575	15	return $label ?: $_SERVER['REQUEST_URI'];
576		}
577
578	1	return $_SERVER['SCRIPT_NAME'];
579		}
580
581		/**
582		* @param int $divider
583		* @return bool
584		*/
585	5	protected function needToStart($divider)
586		{
587	5	return mt_rand(1, $divider) === 1;
588		}
589		}
590

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