src/http/response/asset.c

Go to the documentation of this file.

#include <stdio.h>
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>

#include "class.h"
#include "stream.h"

#include "http/response.h"
#include "http/message.h"
#include "http/header.h"

#include "utils/memory.h"
#include "hash.h"

HttpResponse
httpResponseAsset(
                const char * fname,
                const char * mime,
                size_t       nmime,
                const char * match,
                size_t       nmatch)
{
        struct tm *  tmp;
        char         etag[200];
        size_t       netag;
        char         mtime[200];
        size_t       nmtime;
        struct stat  st;
        HttpResponse response;
        HttpMessage  message;
        int          handle;

        handle = open(fname, O_RDONLY);
        fstat(handle, &st);

        tmp    = localtime(&(st.st_mtime));
        netag  = strftime(etag, sizeof(etag), "%s", tmp);
        nmtime = strftime(mtime, sizeof(mtime), "%a, %d %b %Y %T %Z", tmp);

        if (netag == nmatch && 0 == memcmp(etag, match, netag)) {
                return httpResponse304(mime, nmime, etag, netag, mtime, nmtime);
        }

        response = new(HttpResponse, "HTTP/1.1", 200, "OK");
        message  = (HttpMessage)response;

        message->type   = HTTP_MESSAGE_PIPED;
        message->handle = new(Stream, STREAM_FD, handle);
        message->nbody  = st.st_size;

        hashAdd(message->header,
                        new(HttpHeader, CSTRA("Content-Type"), mime, nmime));
        hashAdd(message->header,
                        new(HttpHeader, CSTRA("ETag"), etag, netag));
        hashAdd(message->header,
                        new(HttpHeader, CSTRA("Last-Modified"), mtime, nmtime));

        return response;
}

// vim: set ts=4 sw=4: