File not found

/* This file is part of libmicrohttpd (C) 2007, 2008 Christian Grothoff libmicrohttpd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. libmicrohttpd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with libmicrohttpd; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file fileserver_example_external_select.c * @brief minimal example for how to use libmicrohttpd to server files * @author Christian Grothoff */ #include "config.h" #include #include #include #include #ifndef MINGW #include #endif #include #include #define PAGE "File not foundFile not found" static int file_reader (void *cls, size_t pos, char *buf, int max) { FILE *file = cls; fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static int ahc_echo (void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *upload_data, const char *version, unsigned int *upload_data_size, void **ptr) { static int aptr; struct MHD_Response *response; int ret; FILE *file; struct stat buf; if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ file = fopen (&url[1], "r"); if (file == NULL) { response = MHD_create_response_from_data (strlen (PAGE), (void *) PAGE, MHD_NO, MHD_NO); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_destroy_response (response); } else { stat (&url[1], &buf); response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k page size */ &file_reader, file, (MHD_ContentReaderFreeCallback) & fclose); ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *d; time_t end; time_t t; struct timeval tv; fd_set rs; fd_set ws; fd_set es; int max; unsigned long long mhd_timeout; if (argc != 3) { printf ("%s PORT SECONDS-TO-RUN\n", argv[0]); return 1; } d = MHD_start_daemon (MHD_USE_DEBUG, atoi (argv[1]), NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END); if (d == NULL) return 1; end = time(NULL) + atoi (argv[2]); while ( (t = time(NULL)) < end) { tv.tv_sec = end - t; tv.tv_usec = 0; max = 0; FD_ZERO(&rs); FD_ZERO(&ws); FD_ZERO(&es); MHD_get_fdset(d, &rs, &ws, &es, &max); if (MHD_get_timeout(d, &mhd_timeout) == MHD_YES) { if (tv.tv_sec * 1000 < mhd_timeout) { tv.tv_sec = mhd_timeout / 1000; tv.tv_usec = (mhd_timout - (tv.tv_sec * 1000)) * 1000; } } SELECT(max+1, &rs, &ws, &es, &tv); MHD_run(d); } MHD_stop_daemon (d); return 0; }