flysand7/webserver.c

## webserver.c

#include<stdbool.h>
#include<stdio.h>

#define WIN32_LEAN_AND_MEAN
#include<Winsock2.h>
#include<Ws2tcpip.h>

#define nil ((void *)0)
#define kb 1024

char response[] =
"HTTP/1.1 200 OK\r\n\
\r\n\
<!DOCTYPE html><html>\
  <head><title>Hello, Web</title></head>\
  <body>\
    <h1>My webserver</h1>\
    <p>Simple text</p>\
  </body>\
</html>";

int main(void) {

  WSADATA wsaData;
  WSAStartup(MAKEWORD(2,2), &wsaData);

  SOCKET listenSocket;
  {
    ADDRINFOA *serverAddr;
    ADDRINFOA serverHints = {
      .ai_flags    = AI_PASSIVE,
      .ai_family   = AF_INET,
      .ai_socktype = SOCK_STREAM,
      .ai_protocol = IPPROTO_TCP,
    };

    getaddrinfo(nil, "80", &serverHints, &serverAddr);
    listenSocket = socket(serverAddr->ai_family,
                                 serverAddr->ai_socktype,
                                 serverAddr->ai_protocol);
    bind(listenSocket, serverAddr->ai_addr,  (int)serverAddr->ai_addrlen);
    freeaddrinfo(serverAddr);
  }

  printf("Listening... Connect on http://localhost:80\n");
  listen(listenSocket, SOMAXCONN);

  while(true) {
    SOCKET clientSocket = accept(listenSocket, nil, nil);

    char buffer[4*kb];
    int received = recv(clientSocket, buffer, sizeof buffer, 0);
    if(received > 0) {
      send(clientSocket, response, sizeof response, 0);
    }

    shutdown(clientSocket, SD_SEND);
  }

  return 0;
}

	#include<stdbool.h>
	#include<stdio.h>

	#define WIN32_LEAN_AND_MEAN
	#include<Winsock2.h>
	#include<Ws2tcpip.h>

	#define nil ((void *)0)
	#define kb 1024

	char response[] =
	"HTTP/1.1 200 OK\r\n\
	\r\n\
	<!DOCTYPE html><html>\
	<head><title>Hello, Web</title></head>\
	<body>\
	<h1>My webserver</h1>\
	<p>Simple text</p>\
	</body>\
	</html>";

	int main(void) {

	WSADATA wsaData;
	WSAStartup(MAKEWORD(2,2), &wsaData);

	SOCKET listenSocket;
	{
	ADDRINFOA *serverAddr;
	ADDRINFOA serverHints = {
	.ai_flags = AI_PASSIVE,
	.ai_family = AF_INET,
	.ai_socktype = SOCK_STREAM,
	.ai_protocol = IPPROTO_TCP,
	};

	getaddrinfo(nil, "80", &serverHints, &serverAddr);
	listenSocket = socket(serverAddr->ai_family,
	serverAddr->ai_socktype,
	serverAddr->ai_protocol);
	bind(listenSocket, serverAddr->ai_addr, (int)serverAddr->ai_addrlen);
	freeaddrinfo(serverAddr);
	}

	printf("Listening... Connect on http://localhost:80\n");
	listen(listenSocket, SOMAXCONN);

	while(true) {
	SOCKET clientSocket = accept(listenSocket, nil, nil);

	char buffer[4*kb];
	int received = recv(clientSocket, buffer, sizeof buffer, 0);
	if(received > 0) {
	send(clientSocket, response, sizeof response, 0);
	}

	shutdown(clientSocket, SD_SEND);
	}

	return 0;
	}