1#include <iostream>
2#include <sys/socket.h>
3#include <arpa/inet.h>
4#include <unistd.h>
5
6int main() {
7    // Create a socket
8    int sock = socket(AF_INET, SOCK_STREAM, 0);
9    if (sock == -1) {
10        std::cerr << "Failed to create socket" << std::endl;
11        return 1;
12    }
13
14    // Socket address structure
15    sockaddr_in address;
16    address.sin_family = AF_INET;
17    address.sin_port = htons(8080);
18    if (inet_pton(AF_INET, "127.0.0.1", &(address.sin_addr)) == -1) {
19        std::cerr << "Failed to set address" << std::endl;
20        return 1;
21    }
22
23    // Connect to the server
24    if (connect(sock, (struct sockaddr *)&address, sizeof(address)) == -1) {
25        std::cerr << "Failed to connect to server" << std::endl;
26        return 1;
27    }
28
29    // Send data
30    const char *message = "Hello, server!";
31    if (send(sock, message, strlen(message), 0) == -1) {
32        std::cerr << "Failed to send data" << std::endl;
33        return 1;
34    }
35
36    // Receive data
37    char buffer[1024] = {0};
38    if (recv(sock, buffer, 1024, 0) == -1) {
39        std::cerr << "Failed to receive data" << std::endl;
40        return 1;
41    }
42    std::cout << "Server response: " << buffer << std::endl;
43
44    // Close the socket
45    close(sock);
46
47    return 0;
48}