In -depth understanding of the core principle of the JNR UnixSocket framework

In -depth understanding of the core principle of the JNR UnixSocket framework JNR UnixSocket is an open source library based on the Java language, which is used to realize local socket communication on the UNIX operating system.This article will explore the core principles of the JNR UnixSocket framework, including its working methods, main components, and how to use Java code examples. 1. JNR UnixSocket working method JNR UnixSocket uses JNI (Java Native Interface) to interact with the local C library to create and manage local socket communication on the UNIX operating system. 2. JNR UnixSocket Main component (1) UnixSocketChannel: It is the core component of the JNR UnixSocket framework, which is responsible for creating and managing the Unix socket channel.It provides methods for sending and receiving data, as well as settings such as putting options. (2) UnixSocketaddress: It indicates the address of a Unix socket that specifies the path or abstract name space.It provides a way to obtain and set the socket address. (3) UnixSocketlibrary: It is a local C -library interface packaging class of the JNR UnixSocket framework.It interacts with JNI and provides a Java interface related to the function and data structure related to the UNIX jet word. 3. Use Java code example The following is a simple Java code example, which shows how to use the JNR UnixSocket framework for the use of the use: import jnr.unixsocket.UnixSocketAddress; import jnr.unixsocket.UnixSocketChannel; public class UnixSocketExample { public static void main(String[] args) throws Exception { UnixSocketAddress address = new UnixSocketAddress("/path/to/unix/socket"); UnixSocketChannel channel = UnixSocketChannel.open(address); // Send data to socket channel.write(java.nio.ByteBuffer.wrap("Hello, UnixSocket!".getBytes())); // Receive data from the socket java.nio.ByteBuffer buffer = java.nio.ByteBuffer.allocate(1024); channel.read(buffer); // Convert the received data to string and output buffer.flip(); byte[] bytes = new byte[buffer.remaining()]; buffer.get(bytes); String receivedData = new String(bytes); System.out.println("Received data: " + receivedData); // Close the collaboration channel channel channel.close(); } } In the above example, we first created a UNIXSOCKETADDRSS object to specify the path of the UNIX socket.Then, we use this address to create a UnixSocketChannel object and open the connection to the unix socket. Next, we send data to the socket by calling the WRITE method of UnixSocketChannel.Then, we create a Bytebuffer object to receive data read from the socket, and call the read method of UnixSocketChannel for reading. Finally, we convert the received data to string and output to the console.Finally, we shut down the collapse channel to release resources. Summarize: The JNR UnixSocket framework is a Java library that implements local socket communication on the UNIX operating system.This article introduces the core principles of the JNR UnixSocket framework, including its working method, main components, and examples of using Java code.By in -depth understanding of the JNR UnixSocket framework, we can better use the Unix socket to implement local communication in the Java application.