Linux通信程序是指在Linux操作系统上运行的用于实现进程间通信(IPC)的应用程序。进程间通信是操作系统中多个进程之间交换信息的方式,这对于多任务处理和协作非常重要。
原因:
解决方法:
原因:
解决方法:
服务器端代码:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define PORT 8080
#define BUFFER_SIZE 1024
int main() {
int server_fd, new_socket;
struct sockaddr_in address;
int addrlen = sizeof(address);
char buffer[BUFFER_SIZE] = {0};
// 创建套接字
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
// 绑定套接字
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
// 监听连接
if (listen(server_fd, 3) < 0) {
perror("listen");
exit(EXIT_FAILURE);
}
// 接受连接
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t*)&addrlen)) < 0) {
perror("accept");
exit(EXIT_FAILURE);
}
// 读取数据
read(new_socket, buffer, BUFFER_SIZE);
printf("Received: %s\n", buffer);
// 发送响应
send(new_socket, "Hello from server", strlen("Hello from server"), 0);
printf("Hello message sent\n");
return 0;
}
客户端代码:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#define PORT 8080
#define BUFFER_SIZE 1024
int main() {
int sock = 0;
struct sockaddr_in serv_addr;
char buffer[BUFFER_SIZE] = {0};
// 创建套接字
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
printf("\n Socket creation error \n");
return -1;
}
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(PORT);
// 将IP地址从字符串转换为网络地址结构
if (inet_pton(AF_INET, "127.0.0.1", &serv_addr.sin_addr) <= 0) {
printf("\nInvalid address/ Address not supported \n");
return -1;
}
// 连接到服务器
if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
printf("\nConnection Failed \n");
return -1;
}
// 发送数据
send(sock, "Hello from client", strlen("Hello from client"), 0);
printf("Hello message sent\n");
// 接收响应
read(sock, buffer, BUFFER_SIZE);
printf("Received: %s\n", buffer);
return 0;
}
通过以上内容,您可以了解Linux通信程序的基础概念、优势、类型、应用场景以及常见问题的解决方法。希望这些信息对您有所帮助。
没有搜到相关的文章