example

author: Christian Grothoff <christian@grothoff.org> 2008-08-24 18:20:40 +0000
committer: Christian Grothoff <christian@grothoff.org> 2008-08-24 18:20:40 +0000
commit: 337922f27f5f7368e0f3cb674acacbb23736d2be (patch)
tree: 28dc1440a4625a6fc0e1787653ca1734e95dbfe2 /src/examples
parent: 9181dd0a072670d61a2e6839f23d7e33165ca089 (diff)
download: libmicrohttpd-337922f27f5f7368e0f3cb674acacbb23736d2be.tar.gz
libmicrohttpd-337922f27f5f7368e0f3cb674acacbb23736d2be.zip
2 files changed, 102 insertions, 1 deletions
diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am
index aed468b7..bd25184d 100644
--- a/src/examples/Makefile.am
+++ b/src/examples/Makefile.am
@@ -10,7 +10,8 @@ authorization_example \
 minimal_example \
 querystring_example \
 fileserver_example \
-fileserver_example_external_select
+fileserver_example_external_select \
+refuse_post_example
 if ENABLE_HTTPS
 noinst_PROGRAMS += https_server_example 
@@ -26,6 +27,11 @@ authorization_example_SOURCES = \
 authorization_example_LDADD = \
 $(top_builddir)/src/daemon/libmicrohttpd.la 
+refuse_post_example_SOURCES = \
+ refuse_post_example.c 
+refuse_post_example_LDADD = \
+ $(top_builddir)/src/daemon/libmicrohttpd.la 
 querystring_example_SOURCES = \
 querystring_example.c 
 querystring_example_LDADD = \
diff --git a/src/examples/refuse_post_example.c b/src/examples/refuse_post_example.c
new file mode 100644
index 00000000..5a2b1eb1
--- /dev/null
+++ b/src/examples/refuse_post_example.c
@@ -0,0 +1,95 @@
+/*
+     This file is part of libmicrohttpd
+     (C) 2007, 2008 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 refuse_post_example.c
+ * @brief example for how to refuse a POST request properly
+ * @author Christian Grothoff and Sebastian Gerhardt
+ */
+#include "platform.h"
+#include <microhttpd.h>
+const char* askpage = "<html><body>\n\
+                       Upload a file, please!<br>\n\
+                       <form action=\"/filepost\" method=\"post\" enctype=\"multipart/form-data\">\n\
+                       <input name=\"file\" type=\"file\">\n\
+                       <input type=\"submit\" value=\" Send \"></form>\n\
+                       </body></html>";
+#define BUSYPAGE "<html><head><title>Webserver busy</title></head><body>We are too busy to process POSTs right now.</body></html>"
+static int
+ahc_echo (void *cls,
+          struct MHD_Connection *connection,
+          const char *url,
+          const char *method,
+          const char *version,
+          const char *upload_data, unsigned int *upload_data_size, void **ptr)
+{
+  static int aptr;
+  const char *me = cls;
+  struct MHD_Response *response;
+  int ret;
+  if ((0 != strcmp (method, "GET")) && (0 != strcmp (method, "POST")))
+    return MHD_NO;              /* unexpected method */
+  
+  if (&aptr != *ptr)
+    {
+      *ptr = &aptr;
+      /* always to busy for POST requests */
+      if (0 == strcmp (method, "POST"))
+      {
+        response = MHD_create_response_from_data (strlen (BUSYPAGE),
+                                            (void *) BUSYPAGE, MHD_NO, MHD_NO);
+        ret = MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE, response);
+        MHD_destroy_response (response);
+        return ret;
+      }
+    }
+  *ptr = NULL;                  /* reset when done */
+  response = MHD_create_response_from_data (strlen (me),
+                                            (void *) me, MHD_NO, 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 != 3)
+    {
+      printf ("%s PORT SECONDS-TO-RUN\n", argv[0]);
+      return 1;
+    }
+  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
+                        atoi (argv[1]),
+                        NULL, NULL, &ahc_echo, (void *) askpage, MHD_OPTION_END);
+  if (d == NULL)
+    return 1;
+  sleep (atoi (argv[2]));
+  MHD_stop_daemon (d);
+  return 0;
+}
+/* end of refuse_post_example.c */
author	Christian Grothoff <christian@grothoff.org>	2008-08-24 18:20:40 +0000
committer	Christian Grothoff <christian@grothoff.org>	2008-08-24 18:20:40 +0000
commit	337922f27f5f7368e0f3cb674acacbb23736d2be (patch)
tree	28dc1440a4625a6fc0e1787653ca1734e95dbfe2 /src/examples
parent	9181dd0a072670d61a2e6839f23d7e33165ca089 (diff)
download	libmicrohttpd-337922f27f5f7368e0f3cb674acacbb23736d2be.tar.gz libmicrohttpd-337922f27f5f7368e0f3cb674acacbb23736d2be.zip

diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am index aed468b7..bd25184d 100644 --- a/src/examples/Makefile.am +++ b/src/examples/Makefile.am
@@ -10,7 +10,8 @@ authorization_example \
10	minimal_example \	10	minimal_example \
11	querystring_example \	11	querystring_example \
12	fileserver_example \	12	fileserver_example \
13	fileserver_example_external_select	13	fileserver_example_external_select \
		14	refuse_post_example
14		15
15	if ENABLE_HTTPS	16	if ENABLE_HTTPS
16	noinst_PROGRAMS += https_server_example	17	noinst_PROGRAMS += https_server_example
@@ -26,6 +27,11 @@ authorization_example_SOURCES = \
26	authorization_example_LDADD = \	27	authorization_example_LDADD = \
27	$(top_builddir)/src/daemon/libmicrohttpd.la	28	$(top_builddir)/src/daemon/libmicrohttpd.la
28		29
		30	refuse_post_example_SOURCES = \
		31	refuse_post_example.c
		32	refuse_post_example_LDADD = \
		33	$(top_builddir)/src/daemon/libmicrohttpd.la
		34
29	querystring_example_SOURCES = \	35	querystring_example_SOURCES = \
30	querystring_example.c	36	querystring_example.c
31	querystring_example_LDADD = \	37	querystring_example_LDADD = \


diff --git a/src/examples/refuse_post_example.c b/src/examples/refuse_post_example.c new file mode 100644 index 00000000..5a2b1eb1 --- /dev/null +++ b/src/examples/refuse_post_example.c
@@ -0,0 +1,95 @@
		1	/*
		2	This file is part of libmicrohttpd
		3	(C) 2007, 2008 Christian Grothoff (and other contributing authors)
		4
		5	This library is free software; you can redistribute it and/or
		6	modify it under the terms of the GNU Lesser General Public
		7	License as published by the Free Software Foundation; either
		8	version 2.1 of the License, or (at your option) any later version.
		9
		10	This library is distributed in the hope that it will be useful,
		11	but WITHOUT ANY WARRANTY; without even the implied warranty of
		12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		13	Lesser General Public License for more details.
		14
		15	You should have received a copy of the GNU Lesser General Public
		16	License along with this library; if not, write to the Free Software
		17	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
		18	*/
		19	/**
		20	* @file refuse_post_example.c
		21	* @brief example for how to refuse a POST request properly
		22	* @author Christian Grothoff and Sebastian Gerhardt
		23	*/
		24	#include "platform.h"
		25	#include <microhttpd.h>
		26
		27	const char* askpage = "<html><body>\n\
		28	Upload a file, please!<br>\n\
		29	<form action=\"/filepost\" method=\"post\" enctype=\"multipart/form-data\">\n\
		30	<input name=\"file\" type=\"file\">\n\
		31	<input type=\"submit\" value=\" Send \"></form>\n\
		32	</body></html>";
		33
		34	#define BUSYPAGE "<html><head><title>Webserver busy</title></head><body>We are too busy to process POSTs right now.</body></html>"
		35
		36	static int
		37	ahc_echo (void *cls,
		38	struct MHD_Connection *connection,
		39	const char *url,
		40	const char *method,
		41	const char *version,
		42	const char upload_data, unsigned int upload_data_size, void **ptr)
		43	{
		44	static int aptr;
		45	const char *me = cls;
		46	struct MHD_Response *response;
		47	int ret;
		48
		49	if ((0 != strcmp (method, "GET")) && (0 != strcmp (method, "POST")))
		50	return MHD_NO; /* unexpected method */
		51
		52	if (&aptr != *ptr)
		53	{
		54	*ptr = &aptr;
		55
		56	/* always to busy for POST requests */
		57	if (0 == strcmp (method, "POST"))
		58	{
		59	response = MHD_create_response_from_data (strlen (BUSYPAGE),
		60	(void *) BUSYPAGE, MHD_NO, MHD_NO);
		61	ret = MHD_queue_response (connection, MHD_HTTP_SERVICE_UNAVAILABLE, response);
		62	MHD_destroy_response (response);
		63	return ret;
		64	}
		65	}
		66
		67	ptr = NULL; / reset when done */
		68	response = MHD_create_response_from_data (strlen (me),
		69	(void *) me, MHD_NO, MHD_NO);
		70	ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
		71	MHD_destroy_response (response);
		72	return ret;
		73	}
		74
		75	int
		76	main (int argc, char const argv)
		77	{
		78	struct MHD_Daemon *d;
		79
		80	if (argc != 3)
		81	{
		82	printf ("%s PORT SECONDS-TO-RUN\n", argv[0]);
		83	return 1;
		84	}
		85	d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION \| MHD_USE_DEBUG,
		86	atoi (argv[1]),
		87	NULL, NULL, &ahc_echo, (void *) askpage, MHD_OPTION_END);
		88	if (d == NULL)
		89	return 1;
		90	sleep (atoi (argv[2]));
		91	MHD_stop_daemon (d);
		92	return 0;
		93	}
		94
		95	/* end of refuse_post_example.c */