1 files changed, 119 insertions, 0 deletions
diff --git a/src/examples/fileserver_example.c b/src/examples/fileserver_example.c
new file mode 100644
index 00000000..8f5223ab
--- /dev/null
+++ b/src/examples/fileserver_example.c
@@ -0,0 +1,119 @@
+/*
+     This file is part of libmicrohttpd
+     Copyright (C) 2007 Christian Grothoff (and other contributing authors)
+
+     This library is free software; you can redistribute it and/or
+     modify it under the terms of the GNU Lesser General Public
+     License as published by the Free Software Foundation; either
+     version 2.1 of the License, or (at your option) any later version.
+
+     This library 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
+     Lesser General Public License for more details.
+
+     You should have received a copy of the GNU Lesser General Public
+     License along with this library; if not, write to the Free Software
+     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/**
+ * @file fileserver_example.c
+ * @brief minimal example for how to use libmicrohttpd to serve files
+ * @author Christian Grothoff
+ */
+
+#include "platform.h"
+#include <microhttpd.h>
+#include <unistd.h>
+
+#define PAGE "<html><head><title>File not found</title></head><body>File not found</body></html>"
+
+static ssize_t
+file_reader (void *cls, uint64_t pos, char *buf, size_t max)
+{
+  FILE *file = cls;
+
+  (void)  fseek (file, pos, SEEK_SET);
+  return fread (buf, 1, max, file);
+}
+
+static void
+free_callback (void *cls)
+{
+  FILE *file = cls;
+  fclose (file);
+}
+
+static int
+ahc_echo (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 **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 */
+  if (0 == stat (&url[1], &buf))
+    file = fopen (&url[1], "rb");
+  else
+    file = NULL;
+  if (file == NULL)
+    {
+      response = MHD_create_response_from_buffer (strlen (PAGE),
+						  (void *) PAGE,
+						  MHD_RESPMEM_PERSISTENT);
+      ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response);
+      MHD_destroy_response (response);
+    }
+  else
+    {
+      response = MHD_create_response_from_callback (buf.st_size, 32 * 1024,     /* 32k page size */
+                                                    &file_reader,
+                                                    file,
+                                                    &free_callback);
+      if (response == NULL)
+	{
+	  fclose (file);
+	  return MHD_NO;
+	}
+      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;
+
+  if (argc != 2)
+    {
+      printf ("%s PORT\n", argv[0]);
+      return 1;
+    }
+  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
+                        atoi (argv[1]),
+                        NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END);
+  if (d == NULL)
+    return 1;
+  (void) getc (stdin);
+  MHD_stop_daemon (d);
+  return 0;
+}