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1/*
2 This file is part of libmicrohttpd
3 (C) 2007 Christian Grothoff
4
5 libmicrohttpd is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 option) any later version.
9
10 libmicrohttpd is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with libmicrohttpd; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
19*/
20
21/**
22 * @file fileserver_example.c
23 * @brief minimal example for how to use libmicrohttpd to server files
24 * @author Christian Grothoff
25 */
26
27#include "config.h"
28#include <microhttpd.h>
29#include <stdlib.h>
30#include <sys/types.h>
31#include <sys/stat.h>
32#ifndef MINGW
33#include <unistd.h>
34#endif
35#include <string.h>
36#include <stdio.h>
37
38#define PAGE "<html><head><title>File not found</title></head><body>File not found</body></html>"
39
40static int file_reader(void * cls,
41 size_t pos,
42 char * buf,
43 int max) {
44 FILE * file = cls;
45
46 fseek(file, pos, SEEK_SET);
47 return fread(buf,
48 1,
49 max,
50 file);
51}
52
53static int ahc_echo(void * cls,
54 struct MHD_Connection * connection,
55 const char * url,
56 const char * method,
57 const char * upload_data,
58 const char * version,
59 unsigned int * upload_data_size) {
60 struct MHD_Response * response;
61 int ret;
62 FILE * file;
63 struct stat buf;
64
65 if (0 != strcmp(method, "GET"))
66 return MHD_NO; /* unexpected method */
67 file = fopen(&url[1], "r");
68 if (file == NULL) {
69 response = MHD_create_response_from_data(strlen(PAGE),
70 (void*) PAGE,
71 MHD_NO,
72 MHD_NO);
73 ret = MHD_queue_response(connection,
74 MHD_HTTP_NOT_FOUND,
75 response);
76 MHD_destroy_response(response);
77 } else {
78 stat(&url[1],
79 &buf);
80 response = MHD_create_response_from_callback(buf.st_size,
81 &file_reader,
82 file,
83 (MHD_ContentReaderFreeCallback) &fclose);
84 ret = MHD_queue_response(connection,
85 MHD_HTTP_OK,
86 response);
87 MHD_destroy_response(response);
88 }
89 return ret;
90}
91
92int main(int argc,
93 char * const * argv) {
94 struct MHD_Daemon * d;
95
96 if (argc != 3) {
97 printf("%s PORT SECONDS-TO-RUN\n",
98 argv[0]);
99 return 1;
100 }
101 d = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
102 atoi(argv[1]),
103 NULL,
104 NULL,
105 &ahc_echo,
106 PAGE,
107 MHD_OPTION_END);
108 if (d == NULL)
109 return 1;
110 sleep(atoi(argv[2]));
111 MHD_stop_daemon(d);
112 return 0;
113}
114