additional testcase and auto-repeat processing on accept

src/daemon/Makefile.am

@@ -38,9 +38,11 @@ check_PROGRAMS = \
   daemontest_get \
   daemontest_post \
   daemontest_put \
+  daemontest_large_put \
   daemontest_get11 \
   daemontest_post11 \
   daemontest_put11 \
+  daemontest_large_put11 \
   daemontest_long_header
 
 TESTS = $(check_PROGRAMS)
@@ -86,6 +88,19 @@ daemontest_put11_LDADD = \
   $(top_builddir)/src/daemon/libmicrohttpd.la \
   @LIBCURL@ 
 
+
+daemontest_large_put_SOURCES = \
+  daemontest_large_put.c
+daemontest_large_put_LDADD = \
+  $(top_builddir)/src/daemon/libmicrohttpd.la \
+  @LIBCURL@ 
+
+daemontest_large_put11_SOURCES = \
+  daemontest_large_put.c
+daemontest_large_put11_LDADD = \
+  $(top_builddir)/src/daemon/libmicrohttpd.la \
+  @LIBCURL@ 
+
 daemontest_long_header_SOURCES = \
   daemontest_long_header.c
 daemontest_long_header_LDADD = \

src/daemon/daemon.c

@@ -429,6 +429,7 @@ MHD_select (struct MHD_Daemon *daemon, int may_block)
   unsigned long long ltimeout;
   int ds;
   time_t now;
+  int go_again;
 
   timeout.tv_sec = 0;
   timeout.tv_usec = 0;
@@ -436,78 +437,87 @@ MHD_select (struct MHD_Daemon *daemon, int may_block)
     abort ();
   if (daemon->shutdown == MHD_YES)
     return MHD_NO;
-  FD_ZERO (&rs);
-  FD_ZERO (&ws);
-  FD_ZERO (&es);
-  max = 0;
+  go_again = MHD_YES;
+  while (go_again == MHD_YES)
+    {
+      go_again = MHD_NO;
+      FD_ZERO (&rs);
+      FD_ZERO (&ws);
+      FD_ZERO (&es);
+      max = 0;
 
-  if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION))
-    {
-      /* single-threaded, go over everything */
-      if (MHD_NO == MHD_get_fdset (daemon, &rs, &ws, &es, &max))
-        return MHD_NO;
-    }
-  else
-    {
-      /* accept only, have one thread per connection */
-      max = daemon->socket_fd;
-      if (max == -1)
-        return MHD_NO;
-      FD_SET (max, &rs);
-    }
-  if (may_block == MHD_NO)
-    {
-      timeout.tv_usec = 0;
-      timeout.tv_sec = 0;
-    }
-  else
-    {
-      /* ltimeout is in ms */
-      if (MHD_YES == MHD_get_timeout (daemon, &ltimeout))
+      if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION))
         {
-          timeout.tv_usec = (ltimeout % 1000) * 1000 * 1000;
-          timeout.tv_sec = ltimeout / 1000;
-          may_block = MHD_NO;
+          /* single-threaded, go over everything */
+          if (MHD_NO == MHD_get_fdset (daemon, &rs, &ws, &es, &max))
+            return MHD_NO;
         }
-    }
-  num_ready = SELECT (max + 1,
-                      &rs, &ws, &es, may_block == MHD_NO ? &timeout : NULL);
-  if (daemon->shutdown == MHD_YES)
-    return MHD_NO;
-  if (num_ready < 0)
-    {
-      if (errno == EINTR)
-        return MHD_YES;
-      MHD_DLOG (daemon, "Select failed: %s\n", STRERROR (errno));
-      return MHD_NO;
-    }
-  ds = daemon->socket_fd;
-  if (ds == -1)
-    return MHD_YES;
-  if (FD_ISSET (ds, &rs))
-    MHD_accept_connection (daemon);
-  if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION))
-    {
-      /* do not have a thread per connection, process all connections now */
-      now = time (NULL);
-      pos = daemon->connections;
-      while (pos != NULL)
+      else
         {
-          ds = pos->socket_fd;
-          if (ds != -1)
+          /* accept only, have one thread per connection */
+          max = daemon->socket_fd;
+          if (max == -1)
+            return MHD_NO;
+          FD_SET (max, &rs);
+        }
+      if (may_block == MHD_NO)
+        {
+          timeout.tv_usec = 0;
+          timeout.tv_sec = 0;
+        }
+      else
+        {
+          /* ltimeout is in ms */
+          if (MHD_YES == MHD_get_timeout (daemon, &ltimeout))
             {
-              if (FD_ISSET (ds, &rs))
+              timeout.tv_usec = (ltimeout % 1000) * 1000 * 1000;
+              timeout.tv_sec = ltimeout / 1000;
+              may_block = MHD_NO;
+            }
+        }
+      num_ready = SELECT (max + 1,
+                          &rs, &ws, &es,
+                          may_block == MHD_NO ? &timeout : NULL);
+      if (daemon->shutdown == MHD_YES)
+        return MHD_NO;
+      if (num_ready < 0)
+        {
+          if (errno == EINTR)
+            return MHD_YES;
+          MHD_DLOG (daemon, "Select failed: %s\n", STRERROR (errno));
+          return MHD_NO;
+        }
+      ds = daemon->socket_fd;
+      if (ds == -1)
+        return MHD_YES;
+      if (FD_ISSET (ds, &rs))
+        {
+          MHD_accept_connection (daemon);
+          go_again = MHD_YES;
+        }
+      if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION))
+        {
+          /* do not have a thread per connection, process all connections now */
+          now = time (NULL);
+          pos = daemon->connections;
+          while (pos != NULL)
+            {
+              ds = pos->socket_fd;
+              if (ds != -1)
                 {
-                  pos->last_activity = now;
-                  MHD_connection_handle_read (pos);
+                  if (FD_ISSET (ds, &rs))
+                    {
+                      pos->last_activity = now;
+                      MHD_connection_handle_read (pos);
+                    }
+                  if (FD_ISSET (ds, &ws))
+                    {
+                      pos->last_activity = now;
+                      MHD_connection_handle_write (pos);
+                    }
                 }
-              if (FD_ISSET (ds, &ws))
-                {
-                  pos->last_activity = now;
-                  MHD_connection_handle_write (pos);
-                }
+              pos = pos->next;
             }
-          pos = pos->next;
         }
     }
   return MHD_YES;

src/daemon/daemontest_get.c

@@ -120,19 +120,11 @@ testInternalGet ()
       return 2;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 4;
-    }
-
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 8;
-    }
   MHD_stop_daemon (d);
-
+  if (cbc.pos != strlen ("/hello_world"))
+    return 4;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 8;
   return 0;
 }
 
@@ -177,18 +169,11 @@ testMultithreadedGet ()
       return 32;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 64;
-    }
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 128;
-    }
   MHD_stop_daemon (d);
-
+  if (cbc.pos != strlen ("/hello_world"))
+    return 64;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 128;
   return 0;
 }
 

src/daemon/daemontest_large_put.c

@@ -0,0 +1,388 @@
+/*
+     This file is part of libmicrohttpd
+     (C) 2007 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 daemontest_put.c
+ * @brief  Testcase for libmicrohttpd PUT operations
+ * @author Christian Grothoff
+ */
+
+#include "config.h"
+#include <curl/curl.h>
+#include <microhttpd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#ifndef WINDOWS
+#include <unistd.h>
+#endif
+
+static int oneone;
+
+/**
+ * Do not make this much larger since we will hit the
+ * MHD default buffer limit and the test code is not
+ * written for incremental upload processing...
+ */
+#define PUT_SIZE (512 * 1024)
+
+static char *put_buffer;
+
+struct CBC
+{
+  char *buf;
+  size_t pos;
+  size_t size;
+};
+
+static size_t
+putBuffer (void *stream, size_t size, size_t nmemb, void *ptr)
+{
+  unsigned int *pos = ptr;
+  unsigned int wrt;
+
+  wrt = size * nmemb;
+  if (wrt > PUT_SIZE - (*pos))
+    wrt = PUT_SIZE - (*pos);
+  memcpy (stream, &put_buffer[*pos], wrt);
+  (*pos) += wrt;
+  return wrt;
+}
+
+static size_t
+copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
+{
+  struct CBC *cbc = ctx;
+
+  if (cbc->pos + size * nmemb > cbc->size)
+    return 0;                   /* overflow */
+  memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
+  cbc->pos += size * nmemb;
+  return size * nmemb;
+}
+
+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)
+{
+  int *done = cls;
+  struct MHD_Response *response;
+  int ret;
+
+  if (0 != strcmp ("PUT", method))
+    return MHD_NO;              /* unexpected method */
+  if ((*done) == 0)
+    {
+      if (*upload_data_size != PUT_SIZE)
+        return MHD_YES;         /* not yet ready */
+      if (0 == memcmp (upload_data, put_buffer, PUT_SIZE))
+        {
+          *upload_data_size = 0;
+        }
+      else
+        {
+          printf ("Invalid upload data!\n");
+          return MHD_NO;
+        }
+      *done = 1;
+      return MHD_YES;
+    }
+  response = MHD_create_response_from_data (strlen (url),
+                                            (void *) url, MHD_NO, MHD_YES);
+  ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
+  MHD_destroy_response (response);
+  return ret;
+}
+
+
+static int
+testInternalPut ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  unsigned int pos = 0;
+  int done_flag = 0;
+  CURLcode errornum;
+  char buf[2048];
+
+  cbc.buf = buf;
+  cbc.size = 2048;
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY | MHD_USE_DEBUG,
+                        1080,
+                        NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END);
+  if (d == NULL)
+    return 1;
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1080/hello_world");
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
+  curl_easy_setopt (c, CURLOPT_READDATA, &pos);
+  curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
+  curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L);
+  // NOTE: use of CONNECTTIMEOUT without also
+  //   setting NOSIGNAL results in really weird
+  //   crashes on my system!
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+    {
+      fprintf (stderr,
+               "curl_easy_perform failed: `%s'\n",
+               curl_easy_strerror (errornum));
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 2;
+    }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != strlen ("/hello_world"))
+    return 4;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 8;
+  return 0;
+}
+
+static int
+testMultithreadedPut ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  unsigned int pos = 0;
+  int done_flag = 0;
+  CURLcode errornum;
+  char buf[2048];
+
+  cbc.buf = buf;
+  cbc.size = 2048;
+  cbc.pos = 0;
+  d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
+                        1081,
+                        NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END);
+  if (d == NULL)
+    {
+      free (cbc.buf);
+      return 16;
+    }
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1081/hello_world");
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
+  curl_easy_setopt (c, CURLOPT_READDATA, &pos);
+  curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
+  curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L);
+  // NOTE: use of CONNECTTIMEOUT without also
+  //   setting NOSIGNAL results in really weird
+  //   crashes on my system!
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
+  if (CURLE_OK != (errornum = curl_easy_perform (c)))
+    {
+      fprintf (stderr,
+               "curl_easy_perform failed: `%s'\n",
+               curl_easy_strerror (errornum));
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 32;
+    }
+  curl_easy_cleanup (c);
+  MHD_stop_daemon (d);
+  if (cbc.pos != strlen ("/hello_world"))
+    return 64;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 128;
+  return 0;
+}
+
+
+static int
+testExternalPut ()
+{
+  struct MHD_Daemon *d;
+  CURL *c;
+  struct CBC cbc;
+  CURLM *multi;
+  CURLMcode mret;
+  fd_set rs;
+  fd_set ws;
+  fd_set es;
+  int max;
+  int running;
+  struct CURLMsg *msg;
+  time_t start;
+  struct timeval tv;
+  unsigned int pos = 0;
+  int done_flag = 0;
+  char buf[2048];
+
+  cbc.buf = buf;
+  cbc.size = 2048;
+  cbc.pos = 0;
+  multi = NULL;
+  d = MHD_start_daemon (MHD_USE_DEBUG,
+                        1082,
+                        NULL, NULL, &ahc_echo, &done_flag, MHD_OPTION_END);
+  if (d == NULL)
+    return 256;
+  c = curl_easy_init ();
+  curl_easy_setopt (c, CURLOPT_URL, "http://localhost:1082/hello_world");
+  curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, &copyBuffer);
+  curl_easy_setopt (c, CURLOPT_WRITEDATA, &cbc);
+  curl_easy_setopt (c, CURLOPT_READFUNCTION, &putBuffer);
+  curl_easy_setopt (c, CURLOPT_READDATA, &pos);
+  curl_easy_setopt (c, CURLOPT_UPLOAD, 1L);
+  curl_easy_setopt (c, CURLOPT_INFILESIZE, (long) PUT_SIZE);
+  curl_easy_setopt (c, CURLOPT_FAILONERROR, 1);
+  curl_easy_setopt (c, CURLOPT_TIMEOUT, 150L);
+  if (oneone)
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+  else
+    curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+  curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L);
+  // NOTE: use of CONNECTTIMEOUT without also
+  //   setting NOSIGNAL results in really weird
+  //   crashes on my system!
+  curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1);
+
+
+  multi = curl_multi_init ();
+  if (multi == NULL)
+    {
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 512;
+    }
+  mret = curl_multi_add_handle (multi, c);
+  if (mret != CURLM_OK)
+    {
+      curl_multi_cleanup (multi);
+      curl_easy_cleanup (c);
+      MHD_stop_daemon (d);
+      return 1024;
+    }
+  start = time (NULL);
+  while ((time (NULL) - start < 5) && (multi != NULL))
+    {
+      max = 0;
+      FD_ZERO (&rs);
+      FD_ZERO (&ws);
+      FD_ZERO (&es);
+      curl_multi_perform (multi, &running);
+      mret = curl_multi_fdset (multi, &rs, &ws, &es, &max);
+      if (mret != CURLM_OK)
+        {
+          curl_multi_remove_handle (multi, c);
+          curl_multi_cleanup (multi);
+          curl_easy_cleanup (c);
+          MHD_stop_daemon (d);
+          return 2048;
+        }
+      if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &max))
+        {
+          curl_multi_remove_handle (multi, c);
+          curl_multi_cleanup (multi);
+          curl_easy_cleanup (c);
+          MHD_stop_daemon (d);
+          return 4096;
+        }
+      tv.tv_sec = 0;
+      tv.tv_usec = 1000;
+      select (max + 1, &rs, &ws, &es, &tv);
+      curl_multi_perform (multi, &running);
+      if (running == 0)
+        {
+          msg = curl_multi_info_read (multi, &running);
+          if (msg == NULL)
+            break;
+          if (msg->msg == CURLMSG_DONE)
+            {
+              if (msg->data.result != CURLE_OK)
+                printf ("%s failed at %s:%d: `%s'\n",
+                        "curl_multi_perform",
+                        __FILE__,
+                        __LINE__, curl_easy_strerror (msg->data.result));
+              curl_multi_remove_handle (multi, c);
+              curl_multi_cleanup (multi);
+              curl_easy_cleanup (c);
+              c = NULL;
+              multi = NULL;
+            }
+        }
+      MHD_run (d);
+    }
+  if (multi != NULL)
+    {
+      curl_multi_remove_handle (multi, c);
+      curl_easy_cleanup (c);
+      curl_multi_cleanup (multi);
+    }
+  MHD_stop_daemon (d);
+  if (cbc.pos != strlen ("/hello_world"))
+    return 64;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 128;
+  return 0;
+}
+
+
+
+int
+main (int argc, char *const *argv)
+{
+  unsigned int errorCount = 0;
+
+  oneone = NULL != strstr (argv[0], "11");
+  if (0 != curl_global_init (CURL_GLOBAL_WIN32))
+    return 2;
+  put_buffer = malloc (PUT_SIZE);
+  memset (put_buffer, 1, PUT_SIZE);
+  if (0)
+    {
+      errorCount += testInternalPut ();
+      errorCount += testMultithreadedPut ();
+    }
+  errorCount += testExternalPut ();
+  free (put_buffer);
+  if (errorCount != 0)
+    fprintf (stderr, "Error (code: %u)\n", errorCount);
+  curl_global_cleanup ();
+  return errorCount != 0;       /* 0 == pass */
+}

src/daemon/daemontest_post.c

@@ -142,19 +142,11 @@ testInternalPost ()
       return 2;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 4;
-    }
-
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 8;
-    }
   MHD_stop_daemon (d);
-
+  if (cbc.pos != strlen ("/hello_world"))
+    return 4;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 8;
   return 0;
 }
 
@@ -202,18 +194,11 @@ testMultithreadedPost ()
       return 32;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 64;
-    }
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 128;
-    }
   MHD_stop_daemon (d);
-
+  if (cbc.pos != strlen ("/hello_world"))
+    return 64;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 128;
   return 0;
 }
 

src/daemon/daemontest_put.c

@@ -156,19 +156,11 @@ testInternalPut ()
       return 2;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 4;
-    }
-
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 8;
-    }
   MHD_stop_daemon (d);
-
+  if (cbc.pos != strlen ("/hello_world"))
+    return 4;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 8;
   return 0;
 }
 
@@ -220,17 +212,11 @@ testMultithreadedPut ()
       return 32;
     }
   curl_easy_cleanup (c);
-  if (cbc.pos != strlen ("/hello_world"))
-    {
-      MHD_stop_daemon (d);
-      return 64;
-    }
-  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
-    {
-      MHD_stop_daemon (d);
-      return 128;
-    }
   MHD_stop_daemon (d);
+  if (cbc.pos != strlen ("/hello_world"))
+    return 64;
+  if (0 != strncmp ("/hello_world", cbc.buf, strlen ("/hello_world")))
+    return 128;
 
   return 0;
 }