How to implement swoole coroutine
Swoole4 provides a powerful CSP coroutine programming model for the PHP language. Users can create a coroutine through the go function to achieve concurrent execution. The go() function is used to create a coroutine; Co::yield() causes the current coroutine to give up the CPU; Co::resume() can resume the execution of a certain coroutine.
Dec 10, 2019 pm 04:20 PM
Is Swoole written in c?
The bottom layer of swoole is written in C language. The swoole series of functions can be understood as the API provided by swoole to php. PHP calls the swoole's API through the swoole series of functions to start the swoole service, register callback functions, etc., and swoole's event driver executes the corresponding callback function.
Dec 10, 2019 pm 04:01 PM
What is swoole used for?
Swoole is an asynchronous multi-threaded server written in C language and supports PHP language. Its functions include asynchronous TCP/UDP network client, asynchronous MySQL, asynchronous Redis, database connection pool, AsyncTask, message queue, millisecond timer, asynchronous file Reading and writing, asynchronous DNS queries, etc.
Dec 10, 2019 pm 03:38 PM
How to restart swoole
How to restart swoole: You can restart smoothly through $swoole->reload(), or \swoole_process::kill($master_pid,SIGUSR1), or directly kill -USR1 master_pid.
Dec 10, 2019 pm 03:20 PM
How swoole resides in the process
In swoole, we can use the process daemon to continuously restart the process to achieve a permanent process. Swoole's process management module provides the function of inter-process communication, which can realize the automatic restart function of child processes.
Dec 10, 2019 pm 01:58 PM
How to install swoole
swoole installation: 1. PECL installation, first use the "apt-get install libpcre3 libpcre3-dev" command to install dependent packages. 2. Use the "pecl install swoole" command to install swoole. 3. Modify the PHP configuration php.in.
Dec 10, 2019 pm 01:43 PM
What is swoole developed with?
The swoole has two parts. One is a PHP extension, developed in C, which is the core. The other is a framework, like Yii, TP, and Laravel, which is written in PHP code.
Dec 10, 2019 am 09:44 AM
Is swoole a framework?
swoole is the framework. The swoole has two parts. One is a PHP extension, developed in C, which is the core. The other is a framework, like Yii, TP, and Laravel, which is written in PHP code. The swoole framework, like the PHP framework, is suitable for web development.
Dec 10, 2019 am 09:35 AM
What does swoole use to save fd?
fd is the file descriptor of the tcp connection, which is the unique identifier of the client in swoole_server; use apc/redis/memcache/swoole_table to save the value of fd.
Dec 09, 2019 am 11:21 AM
What problems is swoole used to solve in PHP?
PHP does have many limitations, such as Unix system programming, network communication programming, and asynchronous io, which most PHPers do not understand. There is indeed no such thing in the PHP world. The Swoole open source project was born to make up for PHP's shortcomings in these aspects.
Dec 09, 2019 am 11:14 AM
What is swoole used for?
Swoole can be widely used in the Internet, mobile communications, enterprise software, online games, Internet of Things, Internet of Vehicles, smart homes and other fields. Using PHP+Swoole as the network communication framework can greatly improve the efficiency of the enterprise IT R&D team and focus more on developing innovative products.
Dec 09, 2019 am 11:06 AM
How to enable swoole coroutine
Swoole uses coroutine: use go() (abbreviation of \Swoole\Coroutine::create()) to create a coroutine; in the callback function of go(), add the code that the coroutine needs to execute. Note that this is non-blocking code.
Dec 09, 2019 am 11:01 AM
Why can't swoole replace nginx?
Swoole cannot replace common HTTP servers such as Apache and Nginx. Management still requires nginx, which cannot replace nginx. If your service is large enough to require HTTP/WebSocket reverse proxy, of course Nginx's reverse proxy is more professional.
Dec 09, 2019 am 10:44 AM
How to shut down the swoole daemon
How to shut down the swoole daemon: First step, change the daemon in the code to 0; Step two: Find the pid of this port number (the port my code listens to is 9503) and get the PID; Step three: Kill To kill this process, command: kill -9 186691.
Dec 09, 2019 am 10:28 AM
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