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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>

#define PORT 8080
#define MAXLINE 1024

void handle_client(int client_socket);

int main() {
    int server_socket, client_socket;
    struct sockaddr_in server_address, client_address;
    socklen_t client_address_len = sizeof(client_address);

    // Create socket
    server_socket = socket(AF_INET, SOCK_STREAM, 0);
    if (server_socket < 0) {
        perror("Error creating socket");
        exit(EXIT_FAILURE);
    }

    // Set up server address
    memset(&server_address, 0, sizeof(server_address));
    server_address.sin_family = AF_INET;
    server_address.sin_addr.s_addr = htonl(INADDR_ANY);
    server_address.sin_port = htons(PORT);

    // Bind the socket
    if (bind(server_socket, (struct sockaddr *)&server_address, sizeof(server_address)) < 0) {
        perror("Error binding socket");
        exit(EXIT_FAILURE);
    }

    // Listen for incoming connections
    if (listen(server_socket, 10) < 0) {
        perror("Error listening for connections");
        exit(EXIT_FAILURE);
    }

    printf("Server listening on port %d...\n", PORT);

    while (1) {
        // Accept a connection
        client_socket = accept(server_socket, (struct sockaddr *)&client_address, &client_address_len);
        if (client_socket < 0) {
            perror("Error accepting connection");
            exit(EXIT_FAILURE);
        }

        // Handle the client request in a separate function
        handle_client(client_socket);
    }

    close(server_socket);
    return 0;
}

void handle_client(int client_socket) {
    char buffer[MAXLINE];
    ssize_t n;

    // Receive the request from the client
    n = recv(client_socket, buffer, sizeof(buffer), 0);
    if (n < 0) {
        perror("Error reading from socket");
        exit(EXIT_FAILURE);
    }

    // Print the received request
    printf("Received request:\n%s\n", buffer);

    // Simple response for GET request
    const char *response = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n<html><body><h1>Hello, World!</h1></body></html>";
    
    // Send the response back to the client
    n = send(client_socket, response, strlen(response), 0);
    if (n < 0) {
        perror("Error writing to socket");
        exit(EXIT_FAILURE);
    }

    // Close the client socket
    close(client_socket);
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>

#define PORT 8080
#define MAXLINE 1024

int main() {
    int client_socket;
    struct sockaddr_in server_address;
    char request[MAXLINE];
    ssize_t n;

    // Create socket
    client_socket = socket(AF_INET, SOCK_STREAM, 0);
    if (client_socket < 0) {
        perror("Error creating socket");
        exit(EXIT_FAILURE);
    }

    // Set up server address
    memset(&server_address, 0, sizeof(server_address));
    server_address.sin_family = AF_INET;
    server_address.sin_port = htons(PORT);
    inet_pton(AF_INET, "127.0.0.1", &server_address.sin_addr);

    // Connect to the server
    if (connect(client_socket, (struct sockaddr *)&server_address, sizeof(server_address)) < 0) {
        perror("Error connecting to server");
        exit(EXIT_FAILURE);
    }

    // Create a simple GET request
    const char *get_request = "GET / HTTP/1.1\r\nHost: localhost\r\n\r\n";

    // Send the GET request to the server
    n = send(client_socket, get_request, strlen(get_request), 0);
    if (n < 0) {
        perror("Error writing to socket");
        exit(EXIT_FAILURE);
    }

    // Receive and print the response from the server
    while ((n = recv(client_socket, request, sizeof(request), 0)) > 0) {
        write(STDOUT_FILENO, request, n);
    }

    // Close the socket
    close(client_socket);

    return 0;
}

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