#include <event2/event.h>
#include <event2/buffer.h>
#include <event2/http.h>
#include <Winsock2.h>
#include <stdlib.h>
#include <stdio.h>

int init_win_socket()
{
    WSADATA wsaData;
    if(WSAStartup(MAKEWORD(2,2) , &wsaData) != 0)
    {
        return -1;
    }
    return 0;
}

void generic_handler(struct evhttp_request *req, void *arg)
{
    struct evbuffer *buf = evbuffer_new();
    if(!buf)
    {
        puts("failed to create response buffer \n");
        return;
    }

    evbuffer_add_printf(buf, "Server Responsed. Requested: %s\n", evhttp_request_get_uri(req));
    evhttp_send_reply(req, HTTP_OK, "OK", buf);
    evbuffer_free(buf);
}

int main(int argc, char* argv[])
{
#ifdef WIN32
    init_win_socket();
#endif

    short          http_port = 8081;
    char          *http_addr = "127.0.0.1";

    struct event_base * base = event_base_new();

    struct evhttp * http_server = evhttp_new(base);
    if(!http_server)
    {
        return -1;
    }

    int ret = evhttp_bind_socket(http_server,http_addr,http_port);
    if(ret!=0)
    {
        return -1;
    }

    evhttp_set_gencb(http_server, generic_handler, NULL);

    printf("http server start OK! \n");

    event_base_dispatch(base);

    evhttp_free(http_server);

    WSACleanup();
    return 0;
}