another example

2026-09-25 04:09:31 +03:00 · 2008-04-20 22:59:49 +00:00
parent 0cfd955fd7
commit e4f1f8fc4a
2 changed files with 148 additions and 0 deletions
@@ -21,3 +21,9 @@ fileserver_example_SOURCES = \
 fileserver_example_LDADD = \
 $(top_builddir)/src/daemon/libmicrohttpd.la 

+
+fileserver_example_external_select_SOURCES = \
+ fileserver_example_external_select.c 
+fileserver_example_external_select_LDADD = \
+ $(top_builddir)/src/daemon/libmicrohttpd.la 
+
@@ -0,0 +1,142 @@
+/*
+     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 <microhttpd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifndef MINGW
+#include <unistd.h>
+#endif
+#include <string.h>
+#include <stdio.h>
+
+#define PAGE "<html><head><title>File not found</title></head><body>File not found</body></html>"
+
+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, "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;
+}