hasanisaeed · October 22, 2024 08:19
diff --git a/server.c b/server.c
 #include <stdlib.h>
 #include <stdio.h>
 #include <WinSock2.h>

 // 1:
 void init_sock()
 {
    WSADATA wsaData;
    WSAStartup(MAKEWORD(2, 2), &wsaData);
 }

 // 2:
 SOCKET create_listen_socket(const char *ip, int port)
 {

    SOCKET listen_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

    struct sockaddr_in socket_address;

    socket_address.sin_family = AF_INET;
    socket_address.sin_addr.s_addr = inet_addr(ip);
    socket_address.sin_port = htons(port);

    bind(listen_socket, (SOCKADDR *)&socket_address, sizeof(socket_address));

    listen(listen_socket, SOMAXCONN);

    printf(">> Server is running on %s:%d\n", ip, port);
    return listen_socket;
 }

 void handle_client(SOCKET client_socket)
 {

    char buf[4096];
    int buflen = 4096;

    int result = recv(client_socket, buf, buflen, 0);

    if (result > 0)
    {
        char method[15], uri[255], version[16];

        sscanf(buf, "%s %s %s", method, uri, version);
        
        printf("Method: %s\n", method);
        printf("URL: %s\n", uri);
        printf("Version: %s\n", version);

        if (strcmp(uri, "/") == 0)
        {
            char *message = "HTTP/1.1 200 Ok \r\n"
                            "Content-Type: text/html\r\n"
                            "\r\n"
                            "<html><body><h1> Hi </h1></body></html>";
            printf("message: %s\n", message);
            send(client_socket, message, strlen(message), 0);
        }
    }
 }

 // 3:
 void accept_clients(SOCKET listen_socket)
 {

    SOCKET client_socket;

    while (1)
    {
        client_socket = accept(listen_socket, NULL, NULL);

        handle_client(client_socket);

        shutdown(client_socket, SD_SEND);

        closesocket(client_socket);
    }
 }

 int main()
 {

    // 1)
    init_sock();

    // 2) set socket
    SOCKET listen_socket = create_listen_socket("127.0.0.1", 8000);
   
    // 3) listen for clients
    accept_clients(listen_socket);

    // 4)
    closesocket(listen_socket);
    
    return 0;
 }
	#include <stdlib.h>
	#include <stdio.h>
	#include <WinSock2.h>

	// 1:
	void init_sock()
	{
	WSADATA wsaData;
	WSAStartup(MAKEWORD(2, 2), &wsaData);
	}

	// 2:
	SOCKET create_listen_socket(const char *ip, int port)
	{

	SOCKET listen_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

	struct sockaddr_in socket_address;

	socket_address.sin_family = AF_INET;
	socket_address.sin_addr.s_addr = inet_addr(ip);
	socket_address.sin_port = htons(port);

	bind(listen_socket, (SOCKADDR *)&socket_address, sizeof(socket_address));

	listen(listen_socket, SOMAXCONN);

	printf(">> Server is running on %s:%d\n", ip, port);
	return listen_socket;
	}

	void handle_client(SOCKET client_socket)
	{

	char buf[4096];
	int buflen = 4096;

	int result = recv(client_socket, buf, buflen, 0);

	if (result > 0)
	{
	char method[15], uri[255], version[16];

	sscanf(buf, "%s %s %s", method, uri, version);

	printf("Method: %s\n", method);
	printf("URL: %s\n", uri);
	printf("Version: %s\n", version);

	if (strcmp(uri, "/") == 0)
	{
	char *message = "HTTP/1.1 200 Ok \r\n"
	"Content-Type: text/html\r\n"
	"\r\n"
	"<html><body><h1> Hi </h1></body></html>";
	printf("message: %s\n", message);
	send(client_socket, message, strlen(message), 0);
	}
	}
	}

	// 3:
	void accept_clients(SOCKET listen_socket)
	{

	SOCKET client_socket;

	while (1)
	{
	client_socket = accept(listen_socket, NULL, NULL);

	handle_client(client_socket);

	shutdown(client_socket, SD_SEND);

	closesocket(client_socket);
	}
	}

	int main()
	{

	// 1)
	init_sock();

	// 2) set socket
	SOCKET listen_socket = create_listen_socket("127.0.0.1", 8000);

	// 3) listen for clients
	accept_clients(listen_socket);

	// 4)
	closesocket(listen_socket);

	return 0;
	}