Files
libmicrohttpd/doc/examples/responseheaders.c
T

117 lines
2.3 KiB
C

#include <platform.h>
#include <microhttpd.h>
#include <time.h>
#define PORT 8888
#define FILENAME "picture.png"
#define MIMETYPE "image/png"
long
get_file_size (const char *filename)
{
FILE *fp;
fp = fopen (filename, "rb");
if (fp)
{
long size;
if ((0 != fseek (fp, 0, SEEK_END)) || (-1 == (size = ftell (fp))))
size = 0;
fclose (fp);
return size;
}
else
return 0;
}
int
answer_to_connection (void *cls, struct MHD_Connection *connection,
const char *url, const char *method,
const char *version, const char *upload_data,
size_t *upload_data_size, void **con_cls)
{
unsigned char *buffer = NULL;
struct MHD_Response *response;
long size;
FILE *fp;
int ret = 0;
if (0 != strcmp (method, "GET"))
return MHD_NO;
size = get_file_size (FILENAME);
if (size != 0)
{
fp = fopen (FILENAME, "rb");
if (fp)
{
buffer = malloc (size);
if (buffer)
if (size == fread (buffer, 1, size, fp))
ret = 1;
fclose (fp);
}
}
if (!ret)
{
const char *errorstr =
"<html><body>An internal server error has occured!\
</body></html>";
if (buffer)
free (buffer);
response =
MHD_create_response_from_data (strlen (errorstr), (void *) errorstr,
MHD_NO, MHD_NO);
if (response)
{
ret =
MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR,
response);
MHD_destroy_response (response);
return MHD_YES;
}
else
return MHD_NO;
}
response =
MHD_create_response_from_data (size, (void *) buffer, MHD_YES, MHD_NO);
MHD_add_response_header (response, "Content-Type", MIMETYPE);
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
return ret;
}
int
main ()
{
struct MHD_Daemon *daemon;
daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL,
&answer_to_connection, NULL, MHD_OPTION_END);
if (NULL == daemon)
return 1;
getchar ();
MHD_stop_daemon (daemon);
return 0;
}