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Refactored main class, improved a few things here and there. Looks polished enough

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Netkas 2023-06-18 17:17:13 -04:00
parent 75c6062a3e
commit 411898af2a
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14 changed files with 351 additions and 300 deletions
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7
.idea/runConfigurations/Exception_Test.xml generated Normal file
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@ -0,0 +1,7 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Exception Test" type="PhpLocalRunConfigurationType" factoryName="PHP Console" path="$PROJECT_DIR$/tests/exception_test.php" scriptParameters="--log-level debug">
<method v="2">
<option name="RunConfigurationTask" enabled="true" run_configuration_name="Install" run_configuration_type="MAKEFILE_TARGET_RUN_CONFIGURATION" />
</method>
</configuration>
</component>

5
.idea/runConfigurations/Redis_Server_Test.xml generated Normal file
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@ -0,0 +1,5 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Redis Server Test" type="PhpLocalRunConfigurationType" factoryName="PHP Console" path="$PROJECT_DIR$/tests/redis_server.php" scriptParameters="--log-level debug">
<method v="2" />
</configuration>
</component>

18
.idea/runConfigurations/Worker_Test.xml generated Normal file
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@ -0,0 +1,18 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Worker Test" type="PhpLocalRunConfigurationType" factoryName="PHP Console" path="$PROJECT_DIR$/tests/worker.php" scriptParameters="--log-level debug">
<CommandLine>
<envs>
<env name="TAMER_WORKER" value="true" />
<env name="TAMER_WORKER_CHANNEL" value="0" />
<env name="TAMER_WORKER_DATABASE" value="0" />
<env name="TAMER_WORKER_HOST" value="127.0.0.1" />
<env name="TAMER_WORKER_ID" value="test" />
<env name="TAMER_WORKER_PASSWORD" value="" />
<env name="TAMER_WORKER_PORT" value="6379" />
</envs>
</CommandLine>
<method v="2">
<option name="RunConfigurationTask" enabled="true" run_configuration_name="Install" run_configuration_type="MAKEFILE_TARGET_RUN_CONFIGURATION" />
</method>
</configuration>
</component>

5
CHANGELOG.md
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@ -5,10 +5,9 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [1.0.2] - Unreleased
## [2.0.0] - Unreleased
### Added
- Added non-blocking mode for supervisor
Major rewrite
## [1.0.1] - 2022-02-28

33
README.md
View file

@ -76,7 +76,7 @@ This README will contain documentation on how to effectively use TamerLib in you
* [Implementing a client](#implementing-a-client)
* [Implementing a worker](#implementing-a-worker)
* [Implementing a node](#implementing-a-node)
* [Handling Exceptions](#handling-exceptions)
* [Job and Error Handling](#job-and-error-handling)
* [Methods](#methods)
* [Global Methods](#global-methods)
* [initialize](#initialize)
@ -376,6 +376,9 @@ client. In this example, we will implement a worker that implements the followin
A worker does not require to a server configuration, as the server configuration is obtained by the parent process once
the file is executed as a worker, see the documentation for the functions used in this example for more information.
Usually at the `run()` method, if you are running it indefinitely the worker will only exit once the parent process has
terminated, if the worker gets closed unexpectedly, the parent process will restart the worker.
- [`initialize`](#initialize)
- [`addFunction`](#addfunction)
- [`run`](#run)
@ -405,12 +408,31 @@ functionality should be implemented in the worker script. See [Implementing a wo
details on how to implement a worker script.
## Handling Exceptions
## Job and Error Handling
When waiting for a Job to complete, it is possible that the job will throw an exception, this exception will be caught
and re-thrown onto the client side of the application. This means that you can catch exceptions thrown by the worker
and handle them accordingly.
Jobs in TamerLib are managed as follows:
1. Only a client can delete a job once it has received its results.
2. A worker can delete a job if the job has no return channel to go to. This is determined by the client that's
listening for job completion when you run wait(), which allows a callback to be triggered each time a job is
immediately completed.
Error handling in TamerLib is achieved through job statuses:
1. If a return channel is provided, the job's status will be set to either "success" or "failure".
2. If the status is "success", the client will unserialize the returned results and return them.
3. If the status is "failure", the client will unserialize the exception and return that instead.
This mechanism ensures that your application has robust, clear information about the status of each job and can handle
any exceptions that are thrown during the execution of a job.
These robust error handling capabilities enable you to build applications with TamerLib that can reliably manage a wide
range of tasks in parallel while using the traditional exception handling mechanisms that you are already familiar with.
```php
$job = \TamerLib\tm::do('throw_exception');
try
@ -441,6 +463,13 @@ catch(\SmtpException $e)
> available in the global namespace of the client application or the same packages must be imported in the client
> and worker application. If the exception cannot be unserialized a generic `\Exception` will be thrown instead.
Most of TamerLib's static methods are capable of throwing exceptions but usually it will be a `\RuntimeException` or
`\InvalidArgumentException` if the method is called with invalid parameters. Crucial methods such as `initialize()` and
`run()` will throw a `\TamerLib\Exceptions\TamerException` if the method if there is an error with the TamerLib system
itself.
# Methods
TamerLib provides static methods that can be used to interact with the TamerLib system, these methods are often only

6
project.json
View file

@ -41,12 +41,6 @@
"source_type": "remote",
"source": "nosial/libs.log=latest@n64"
},
{
"name": "com.opis.closure",
"version": "latest",
"source_type": "remote",
"source": "opis/closure=latest@composer"
},
{
"name": "com.symfony.process",
"version": "latest",

1
src/TamerLib/Classes/JobManager.php
View file

@ -724,6 +724,7 @@
if($job_id !== false && $this->claimJob($job_id[1], $worker_id))
{
Log::debug(Utilities::getName(), sprintf('Claimed job & received job %s', $job_id[1]));
return new JobPacket($this->getClient()->hGetAll($job_id[1]));
}

6
src/TamerLib/Classes/Utilities.php
View file

@ -1,6 +1,8 @@
<?php /** @noinspection PhpMissingFieldTypeInspection */
<?php
namespace TamerLib\Classes;
/** @noinspection PhpMissingFieldTypeInspection */
namespace TamerLib\Classes;
use Exception;
use Symfony\Component\Process\Process;

291
src/TamerLib/tm.php
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@ -1,5 +1,6 @@
<?php
/** @noinspection PhpUnused */
/** @noinspection PhpMissingFieldTypeInspection */
namespace TamerLib;
@ -19,6 +20,7 @@
use TamerLib\Exceptions\JobManagerException;
use TamerLib\Exceptions\JobNotFoundException;
use TamerLib\Exceptions\ServerException;
use TamerLib\Exceptions\TamerException;
use TamerLib\Exceptions\TimeoutException;
use TamerLib\Exceptions\WorkerFailedException;
use TamerLib\Objects\JobPacket;
@ -80,7 +82,7 @@
/**
* Appends the job ID to the watch list
*
* @param int $job_id
* @param int $job_id The job ID to add to the watch list
* @return void
*/
private static function addToWatchlist(int $job_id): void
@ -94,7 +96,7 @@
/**
* Removes the job ID from the watch list
*
* @param int $job_id
* @param int $job_id The job ID to remove from the watch list
* @return void
*/
private static function removeFromWatchlist(int $job_id): void
@ -105,6 +107,34 @@
}
}
/**
* Executes a job and returns the result to the server
*
* @param JobPacket $job_packet
* @return void
* @throws ConnectionException
* @throws JobManagerException
*/
private static function executeJob(JobPacket $job_packet): void
{
try
{
if(!isset(self::$function_pointers[$job_packet->getPayload()]))
{
Log::warning(Utilities::getName(), sprintf('Job %s requested function \'%s\' which does not exist, rejecting job.', $job_packet->getId(), $job_packet->getPayload()));
self::$job_manager->rejectJob($job_packet);
return;
}
$result = call_user_func_array(self::$function_pointers[$job_packet->getPayload()], unserialize($job_packet->getParameters(), ['allowed_classes'=>true]));
self::$job_manager->returnJob($job_packet, $result);
}
catch(Exception $e)
{
self::$job_manager->returnException($job_packet, $e);
}
}
/**
* GLOBAL FUNCTIONS
*/
@ -126,13 +156,13 @@
* if the parent process is a client process, otherwise an exception will be thrown because the worker will
* have no server to connect to if it is not initialized by a client.
*
* @param string|null $mode
* @param ServerConfiguration|null $server_config
* @param string $mode The mode to initialize Tamer in, must be one of the TamerMode constants
* @param ServerConfiguration|null $server_config Optional. The server configuration to use, if null is provided
* then a server will be initialized with default parameters.
* @throws ServerException If the server fails to initialize
* @return void
* @throws ServerException
* @throws Exception
*/
public static function initialize(?string $mode, ?ServerConfiguration $server_config=null): void
public static function initialize(string $mode, ?ServerConfiguration $server_config=null): void
{
if(self::$mode !== null)
{
@ -185,8 +215,16 @@
if($mode === TamerMode::CLIENT)
{
self::$supervisor = new WorkerSupervisor(self::$server_configuration);
try
{
self::$return_channel = sprintf('rch%s', random_int(100000000, 999999999));
}
catch(Exception $e)
{
throw new RuntimeException(sprintf('Bad environment, failed to generate random integer. (%s)', $e->getMessage()), $e);
}
}
self::$job_manager = new JobManager(self::$server_configuration);
}
@ -195,25 +233,36 @@
* Shuts down all workers
*
* @return void
* @noinspection PhpUnused
*/
public static function shutdown(): void
{
// Do nothing if Tamer is not initialized
if(self::$mode === null)
{
return;
}
if(self::$mode === TamerMode::CLIENT && self::$supervisor !== null)
{
self::$supervisor->stopAll();
}
// Close all subprocesses
self::$supervisor?->stopAll();
self::$server?->stop();
self::$job_manager?->disconnect();
// Clear all static variables
self::$mode = null;
self::$server_configuration = null;
self::$server = null;
self::$watching_jobs = [];
self::$supervisor = null;
self::$job_manager = null;
self::$worker_configuration = null;
self::$function_pointers = [];
self::$return_channel = null;
}
/**
* Returns the current mode Tamer is running in
*
* @return string
* @return string The current mode Tamer is running in
*/
public static function getMode(): string
{
@ -223,7 +272,8 @@
/**
* Monitors all internal processes
*
* @param int $timeout
* @param int $timeout The timeout in seconds to monitor for, if -1 is provided then the monitor will run
* for one iteration and then return. If 0 is provided then the monitor will run forever.
* @return void
*/
public static function monitor(int $timeout=0): void
@ -271,11 +321,12 @@
* Spawns a worker process by their count, if the path is null then a generic sub process will be spawned
* that will only be capable of executing closures.
*
* @param int $count
* @param string|null $path
* @param int $channel
* @param int $count The number of workers to spawn (defaults to 8)
* @param string|null $path The path to the worker file to spawn, if null is provided then a generic worker
* will be spawned that can only execute closures (unimplemented)
* @param int $channel The channel to spawn the workers on (defaults to 0)
* @throws WorkerFailedException If the worker fails to spawn
* @return void
* @throws WorkerFailedException
*/
public static function createWorker(int $count=8, ?string $path=null, int $channel=0): void
{
@ -299,12 +350,12 @@
/**
* Preforms a function call against a worker in the background, returns the Job ID to keep track of the job status.
*
* @param string $function
* @param array $arguments
* @param int $channel
* @return int
* @param string $function The function to call
* @param array $arguments The arguments to pass to the function
* @param int $channel The channel to preform the function call on (defaults to 0)
* @return int The Job ID of the function call
*/
public static function do(string $function, array $arguments, int $channel=0): int
public static function do(string $function, array $arguments=[], int $channel=0): int
{
if(self::$mode !== TamerMode::CLIENT)
{
@ -321,9 +372,13 @@
{
self::$job_manager->pushJob($job_packet);
}
catcH(Exception $e)
catch(ConnectionException $e)
{
throw new RuntimeException('do() failed, failed to push job to the server', 0, $e);
throw new RuntimeException('do() failed, failed to connect to the server', 0, $e);
}
catch(JobManagerException $e)
{
throw new RuntimeException('do() failed, failed to push the job to the server', 0, $e);
}
self::addToWatchlist($job_packet->getId());
@ -334,13 +389,12 @@
* Sends a function call to a worker in the background, but once the job is completed it will be forgotten and
* the result will not be returned, this also means that the job will not be added to the watchlist.
*
* @param string $function
* @param array $arguments
* @param int $channel
* @param string $function The function to call
* @param array $arguments The arguments to pass to the function
* @param int $channel The channel to preform the function call on (defaults to 0)
* @return void
* @noinspection PhpUnused
*/
public static function dof(string $function, array $arguments, int $channel=0): void
public static function dof(string $function, array $arguments=[], int $channel=0): void
{
if(self::$mode !== TamerMode::CLIENT)
{
@ -360,20 +414,22 @@
{
throw new RuntimeException('dof() failed, failed to push job to the server', 0, $e);
}
self::addToWatchlist($job_packet->getId());
}
/**
* Waits for all the dispatched jobs to complete, this is a blocking function and will not return until all the
* jobs have completed. If a timeout is specified, the function will return after the timeout has been reached.
*
* @param callable $callback
* @param int $timeout
* @param callable $callback A callback function that will be called after each iteration of the wait loop
* @param int $timeout The timeout in seconds, if 0 is provided then the function will block until all the jobs
* have completed, if -1 is provided then the function run for one iteration and return
* @return void
* @throws ServerException
* @throws Throwable
* @throws TimeoutException
* @throws JobManagerException If the JobManager throws an exception
* @throws TamerException If the Tamer throws an exception
* @throws TimeoutException If the timeout is reached
* @throws ConnectionException If the client fails to connect to the server
* @throws Exception If a job fails
* @throws Throwable If a job fails
*/
public static function wait(callable $callback, int $timeout=0): void
{
@ -388,15 +444,19 @@
self::monitor(-1);
if(count(self::$watching_jobs) === 0)
{
Log::debug(Utilities::getName(), 'No jobs to wait for, returning');
return;
}
Log::debug(Utilities::getName(), 'Waiting for jobs to complete');
$job_packet = self::$job_manager->listenReturnChannel(self::$return_channel);
if(in_array($job_packet->getId(), self::$watching_jobs))
if(!in_array($job_packet->getId(), self::$watching_jobs))
{
Log::debug(Utilities::getName(), sprintf('Job \'%s\' has returned, but is not in the watchlist', $job_packet->getId()));
self::$job_manager->dropJob($job_packet->getId());
continue;
}
self::removeFromWatchlist($job_packet->getId());
self::$job_manager->dropJob($job_packet->getId());
@ -404,19 +464,9 @@
{
$return_value = $job_packet->getReturnValue();
if($return_value === null)
{
$return_value = null;
}
else
if($return_value !== null)
{
$return_value = unserialize($return_value, ['allowed_classes' => true]);
if($return_value === false)
{
Log::error(Utilities::getName(), 'Failed to unserialize return value, return value was dropped');
$return_value = null;
}
}
$callback($job_packet->getId(), $return_value);
@ -438,18 +488,13 @@
throw $e;
}
throw new ServerException('wait() failed, job returned with an exception');
/** @noinspection ThrowRawExceptionInspection */
throw new Exception(sprintf('wait() failed, job \'%s\' failed with an unknown exception', $job_packet->getId()));
}
}
else
{
Log::debug(Utilities::getName(), sprintf('Job \'%s\' returned with an unexpected status of \'%s\'', $job_packet->getId(), $job_packet->getStatus()));
throw new ServerException('wait() failed, job returned with an unexpected status of \'' . $job_packet->getStatus() . '\'');
}
}
else
{
Log::debug(Utilities::getName(), sprintf('Job \'%s\' has returned, but is not in the watchlist', $job_packet->getId()));
throw new TamerException(sprintf('wait() failed, job \'%s\' returned with an unknown status \'%s\'', $job_packet->getId(), $job_packet->getStatus()));
}
if ($timeout < 0)
@ -462,38 +507,36 @@
throw new TimeoutException('wait() timed out');
}
usleep(10);
usleep(1000);
}
}
/**
* Waits for a job to complete, returns the result of the job.
*
* @param JobPacket|int $job_id
* @param int $timeout
* @return mixed
* @throws JobNotFoundException
* @throws ServerException
* @throws TimeoutException
* @throws Throwable
* @param int $job_id The ID of the job to wait for
* @param int $timeout The timeout in seconds, if 0 is provided then the function will block until all the jobs
* have completed, if -1 is provided then the function run for one iteration and return
* @throws ConnectionException If the client fails to connect to the server
* @throws JobManagerException If the JobManager throws an exception
* @throws JobNotFoundException If the job is not found
* @throws TimeoutException If the timeout is reached
* @throws Throwable If the job fails
* @throws Exception If the job fails
* @return mixed The return value of the job
*/
public static function waitFor(JobPacket|int $job_id, int $timeout=0): mixed
public static function waitFor(int $job_id, int $timeout=0): mixed
{
if(self::$mode !== TamerMode::CLIENT)
{
throw new RuntimeException(sprintf('Attempting to waitFor() in \'%s\' mode, only clients can preform waitFor().', self::$mode));
}
if($job_id instanceof JobPacket)
{
$job_id = $job_id->getId();
}
$time_start = time();
while(true)
{
self::monitor(-1);
switch(self::$job_manager->getJobStatus($job_id))
{
case JobStatus::FINISHED:
@ -524,18 +567,18 @@
/**
* Preforms a do() call on a waitFor() call all in one function.
*
* @param string $function
* @param array $arguments
* @param int $channel
* @param int $timeout
* @return mixed
* @throws JobNotFoundException
* @throws ServerException
* @throws Throwable
* @throws TimeoutException
* @noinspection PhpUnused
* @param string $function The function to call
* @param array $arguments The arguments to pass to the function
* @param int $channel The channel to use
* @param int $timeout The timeout in seconds, if 0 is provided then the function will block until all the jobs
* @throws ConnectionException If the client fails to connect to the server
* @throws JobManagerException If the JobManager throws an exception
* @throws JobNotFoundException If the job is not found
* @throws TimeoutException If the timeout is reached
* @throws Throwable If the job fails
* @return mixed The return value of the job
*/
public static function doWait(string $function, array $arguments, int $channel=0, int $timeout=0): mixed
public static function doWait(string $function, array $arguments=[], int $channel=0, int $timeout=0): mixed
{
return self::waitFor(self::do($function, $arguments, $channel), $timeout);
}
@ -545,7 +588,6 @@
* Clears the watchlist, this will remove all jobs from the watchlist.
*
* @return void
* @noinspection PhpUnused
*/
public static function clear(): void
{
@ -564,7 +606,7 @@
* @param array $arguments
* @return int
*/
public static function __callStatic(string $name, array $arguments)
public static function __callStatic(string $name, array $arguments=[])
{
return self::do($name, $arguments);
}
@ -574,8 +616,12 @@
*/
/**
* @param string $function
* @param callable $callback
* Registers a new function to be called by the worker, this function will be called when the worker receives
* a job with the same name as the function. Internally this function uses call_user_func_array() to call the
* function.
*
* @param string $function The name of the function to register
* @param callable $callback The callback to call when the function is called
* @return void
*/
public static function addFunction(string $function, callable $callback): void
@ -599,9 +645,11 @@
}
/**
* @param string $function
* Removes a function from the worker, this function will no longer be called when a job with the same name
* is received.
*
* @param string $function The name of the function to remove
* @return void
* @noinspection PhpUnused
*/
public static function removeFunction(string $function): void
{
@ -610,12 +658,18 @@
throw new RuntimeException(sprintf('Attempting to removeFunction() in \'%s\' mode, only workers can preform removeFunction().', self::$mode));
}
if(!isset(self::$function_pointers[$function]))
{
throw new InvalidArgumentException(sprintf('Attempting to removeFunction() with a function name of \'%s\', this function does not exist.', $function));
}
unset(self::$function_pointers[$function]);
}
/**
* @return array
* @noinspection PhpUnused
* Returns an array of all the registered functions.
*
* @return array An array of all the registered functions
*/
public static function getFunctions(): array
{
@ -628,15 +682,17 @@
}
/**
* @param int|array $channel
* @param int $timeout
* Runs the worker, this function will block and listen for incoming jobs, if a job is received then the
* job will be processed and optionally returned back to the client via a return channel.
*
* @param int|array $channel The channel to listen on, if an array is provided then the worker will listen on
* @param int $timeout The timeout in seconds, if 0 is provided then the function will block until a job is received
* @param bool $ignore_errors If set to true then the worker will not throw exceptions, instead it will log the
* error and continue to run.
* @throws ConnectionException If the client fails to connect to the server
* @return void
* @throws ConnectionException
* @throws JobManagerException
* @throws JobNotFoundException
* @throws ServerException
*/
public static function run(int|array $channel=0, int $timeout=0): void
public static function run(int|array $channel=0, int $timeout=0, bool $ignore_errors=false): void
{
if(self::$mode !== TamerMode::WORKER)
{
@ -651,7 +707,7 @@
try
{
$job_packet = self::$job_manager->listenForJob(self::$worker_configuration->getWorkerId(), $channel, $timeout);
break;
self::executeJob($job_packet);
}
catch(TimeoutException $e)
{
@ -661,8 +717,7 @@
/** @noinspection PhpRedundantCatchClauseInspection */
catch(RedisException $e)
{
// TODO: There has to be a better way to do this.
if(strtolower($e->getMessage()) === 'redis server went away')
if($ignore_errors === false && strtolower($e->getMessage()) === 'redis server went away')
{
if($error_time === null)
{
@ -670,35 +725,25 @@
}
else if((time() - $error_time) >= 5)
{
throw new ServerException('Redis server went away, and did not come back.');
throw new ConnectionException('Redis server went away, and did not come back.');
}
}
}
catch(Exception $e)
{
Log::error(Utilities::getName(), sprintf('Worker %s encountered an error while listening for jobs: %s', self::$worker_configuration->getWorkerId(), $e->getMessage()), $e);
unset($e);
}
if($timeout === -1)
{
return;
}
if((time() - $start_time) >= $timeout)
{
return;
}
}
Log::debug(Utilities::getName(), sprintf('Worker %s received job %s', self::$worker_configuration->getWorkerId(), $job_packet->getId()));
if(!isset(self::$function_pointers[$job_packet->getPayload()]))
{
Log::warning(Utilities::getName(), sprintf('Job %s requested function \'%s\' which does not exist, rejecting job.', $job_packet->getId(), $job_packet->getPayload()));
self::$job_manager->rejectJob($job_packet);
}
try
{
$result = call_user_func_array(self::$function_pointers[$job_packet->getPayload()], unserialize($job_packet->getParameters(), ['allowed_classes'=>true]));
self::$job_manager->returnJob($job_packet, $result);
}
catch(Exception $e)
{
self::$job_manager->returnException($job_packet, $e);
}
}
}

73
tests/ExampleClass.php
View file

@ -3,57 +3,44 @@
class ExampleClass
{
/**
* @var array
* Sleeps for the given number of seconds, plus a random number of seconds between 0 and 100.
*
* @param int $seconds
* @return int
* @throws Exception
*/
private $data;
/**
* ExampleClass constructor.
*/
public function __construct()
public function sleep(int $seconds=1): int
{
$this->data = [];
sleep($seconds);
return random_int(0, 100) + $seconds;
}
/**
* Sets a value in the data array
* Calculates pi using the Leibniz formula.
*
* @param int $iterations
* @return float
*/
public function pi(int $iterations): float
{
$pi = 0;
$sign = 1;
for ($i = 0; $i < $iterations; $i++)
{
$pi += $sign / (2 * $i + 1);
$sign *= -1;
}
return $pi * 4;
}
/**
* Throws an exception.
*
* @param string $key
* @param mixed $value
* @return void
* @throws Exception
*/
public function set(string $key, mixed $value): void
public function throwException(): void
{
$this->data[$key] = $value;
}
/**
* Gets a value from the data array
*
* @param string $key
* @return mixed
*/
public function get(string $key): mixed
{
return $this->data[$key];
}
/**
* Checks if a key exists in the data array
*
* @param string $key
* @return bool
*/
public function exists(string $key): bool
{
return isset($this->data[$key]);
}
/**
* @return void
*/
public function clear(): void
{
$this->data = [];
throw new Exception('This is an exception.');
}
}

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tests/exception_test.php Normal file
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<?php
// Import everything
require 'ncc';
require __DIR__ . DIRECTORY_SEPARATOR . 'ExampleClass.php';
import('net.nosial.tamerlib');
// Initialize TamerLib
\TamerLib\tm::initialize(\TamerLib\Enums\TamerMode::CLIENT);
// Start 8 workers.
\TamerLib\tm::createWorker(8, __DIR__ . DIRECTORY_SEPARATOR . 'worker.php');
// Throw an exception, this be thrown in the client.
echo \TamerLib\tm::doWait('throwException');

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tests/jobs_test.php Normal file
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<?php
// Import everything
require 'ncc';
require __DIR__ . DIRECTORY_SEPARATOR . 'ExampleClass.php';
import('net.nosial.tamerlib');
// Initialize TamerLib
\TamerLib\tm::initialize(\TamerLib\Enums\TamerMode::CLIENT);
// Start 8 workers.
\TamerLib\tm::createWorker(12, __DIR__ . DIRECTORY_SEPARATOR . 'worker.php');
// For testing purposes
$total_sleep = 0;
// Run 5 sleep jobs
for($i = 0; $i < 5; $i++)
{
$sleep_time = random_int(1, 5);
\TamerLib\tm::sleep($sleep_time);
$total_sleep += $sleep_time;
}
// Run 30 pi jobs
for($i = 0; $i < 30; $i++)
{
\TamerLib\tm::pi(50);
}
// Wait for all the jobs to complete
$start_time = time();
\TamerLib\tm::wait(static function($job_id, $return){
echo sprintf('Job %s completed with return value %s.', $job_id, $return) . PHP_EOL;
});
// Script ends here once all the jobs are complete.
echo sprintf('Total sleep time: %s seconds.', $total_sleep) . PHP_EOL;
echo sprintf('Total execution time: %s seconds.', time() - $start_time) . PHP_EOL;

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tests/tamer_standalone.php
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<?php
use LogLib\Log;
use TamerLib\Enums\TamerMode;
use TamerLib\Objects\ServerConfiguration;
use TamerLib\tm;
require 'ncc';
import('net.nosial.tamerlib');
// Start as client mode, if no configuration is passed on then
// Tamer will spawn its own Redis server and use it.
tm::initialize(TamerMode::CLIENT);
tm::createWorker(20, __DIR__ . DIRECTORY_SEPARATOR . 'worker.php');
$total_sleep = 0;
$start_time = time();
$jobs = [];
// Start doing programming!
// Loop 2 times, each time we will do a sleep job
for($i = 0; $i <= 2; $i++)
{
$sleep_time = random_int(5, 10);
$total_sleep += $sleep_time;
/** @noinspection PhpUndefinedMethodInspection */
$job_id = tm::sleep($sleep_time);
// Log the result
print(sprintf('Created task %s', $job_id) . PHP_EOL);
$jobs[$job_id] = null;
}
// Loop 200 times, each time we will do a Pi calculation job
for($i = 0; $i < 200; $i++)
{
$iterations = random_int(100000, 1000000);
/** @noinspection PhpUndefinedMethodInspection */
$job_id = tm::calculate_pi($iterations);
// Log the result
print(sprintf('Created task %s', $job_id) . PHP_EOL);
$jobs[$job_id] = null;
}
print('Waiting for jobs to finish...' . PHP_EOL);
// Wait for all jobs to finish
tm::wait(static function ($job_id, $result) use (&$jobs) {
print(sprintf('Job %s finished with result %s', $job_id, $result) . PHP_EOL);
$jobs[$job_id] = $result;
});
// Finally do some fancy calling
var_dump($jobs);
print(sprintf('Total sleep time: %s', $total_sleep) . PHP_EOL);
print(sprintf('Total execution time: %s', time() - $start_time) . PHP_EOL);

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tests/worker.php
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<?php
// Import everything
require 'ncc';
require __DIR__ . DIRECTORY_SEPARATOR . 'ExampleClass.php';
import('net.nosial.tamerlib');
// Initialize as a worker, will fail if the process is executed directly
// Initialize TamerLib
\TamerLib\tm::initialize(\TamerLib\Enums\TamerMode::WORKER);
// Callback Examples
\TamerLib\tm::addFunction('sleep', function($sleep_time){
sleep($sleep_time);
return $sleep_time;
});
\TamerLib\tm::addFunction('calculate_pi', function($iterations){
$pi = 0;
$sign = 1;
for($i = 0; $i < $iterations; $i++)
{
$pi += $sign * (1 / (2 * $i + 1));
$sign *= -1;
}
return $pi * 4;
});
// Function pointer examples
// Register the functions
$example_class = new ExampleClass();
\TamerLib\tm::addFunction('getValue', [$example_class, 'get']);
\TamerLib\tm::addFunction('setValue', [$example_class, 'set']);
\TamerLib\tm::addFunction('valueExists', [$example_class, 'exists']);
\TamerLib\tm::addFunction('clearValues', [$example_class, 'clear']);
\TamerLib\tm::addFunction('sleep', [$example_class, 'sleep']);
\TamerLib\tm::addFunction('pi', [$example_class, 'pi']);
\TamerLib\tm::addFunction('throwException', [$example_class, 'throwException']);
// Run forest, run!
while (true)
{
try
{
// Run the worker
\TamerLib\tm::run();
}
catch(Exception $e)
{
print($e->getMessage() . PHP_EOL);
}
}