[GNUnet-SVN] [libmicrohttpd] GNU libmicrohttpd branch master updated. 71f2285bff70ac45ecf846de203016322997f995

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- Log -----------------------------------------------------------------
commit 71f2285bff70ac45ecf846de203016322997f995
Author: Christian Grothoff <address@hidden>
Date:   Mon Oct 17 15:34:42 2016 +0200

    implement early thread-termination for upgraded HTTP connections logic

-----------------------------------------------------------------------

Summary of changes:
 src/microhttpd/daemon.c       | 24 ++++++++++++++++--------
 src/microhttpd/response.c     | 41 +++++++++++++++++++++++++++++++++--------
 src/microhttpd/test_upgrade.c |  5 -----
 3 files changed, 49 insertions(+), 21 deletions(-)

diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index b76d74e..952498a 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -1281,13 +1281,6 @@ thread_main_connection_upgrade (struct MHD_Connection 
*con)
 #endif
   /* end HTTPS */
 #endif
-
-  /* Here, we need to block until the application
-     signals us that it is done with the socket */
-  MHD_semaphore_down (con->upgrade_sem);
-  MHD_semaphore_destroy (con->upgrade_sem);
-  con->upgrade_sem = NULL;
-  MHD_cleanup_upgraded_connection_ (con);
 }
 
 
@@ -1533,7 +1526,22 @@ thread_main_handle_connection (void *data)
       if (MHD_CONNECTION_UPGRADE == con->state)
         {
           thread_main_connection_upgrade (con);
-          break;
+#if HTTPS_SUPPORT
+          if (0 != (daemon->options & MHD_USE_TLS) )
+            break;
+#endif
+
+          /* skip usual clean up EXCEPT for the completion
+             notification (which must be done in this thread)! */
+          if ( (NULL != daemon->notify_completed) &&
+               (MHD_YES == con->client_aware) )
+            daemon->notify_completed (daemon->notify_completed_cls,
+                                      con,
+                                      &con->client_context,
+                                      MHD_REQUEST_TERMINATED_COMPLETED_OK);
+          con->client_aware = MHD_NO;
+
+          return (MHD_THRD_RTRN_TYPE_) 0;
         }
     }
   if (MHD_CONNECTION_IN_CLEANUP != con->state)
diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
index f00766e..f774907 100644
--- a/src/microhttpd/response.c
+++ b/src/microhttpd/response.c
@@ -642,14 +642,6 @@ MHD_upgrade_action (struct MHD_UpgradeResponseHandle *urh,
                   SHUT_RDWR);
       }
 #endif
-    /* Application is done with this connection, tear it down! */
-    if (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION) )
-      {
-        /* need to signal the thread that we are done */
-        MHD_semaphore_up (connection->upgrade_sem);
-        /* connection and urh cleanup will be done in connection's thread */
-        return MHD_YES;
-      }
 #if HTTPS_SUPPORT
     if (0 != (daemon->options & MHD_USE_TLS) )
       {
@@ -659,6 +651,39 @@ MHD_upgrade_action (struct MHD_UpgradeResponseHandle *urh,
         return MHD_YES;
       }
 #endif
+    /* Application is done with this connection, tear it down! */
+    if (0 != (daemon->options & MHD_USE_THREAD_PER_CONNECTION) )
+      {
+        /* need to finish connection clean up */
+        MHD_cleanup_upgraded_connection_ (connection);
+        if (MHD_CONNECTION_IN_CLEANUP != connection->state)
+          {
+#if DEBUG_CLOSE
+#ifdef HAVE_MESSAGES
+            MHD_DLOG (connection->daemon,
+                      _("Processing thread terminating. Closing 
connection\n"));
+#endif
+#endif
+            if (MHD_CONNECTION_CLOSED != connection->state)
+              MHD_connection_close_ (connection,
+                                     MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN);
+            connection->idle_handler (connection);
+          }
+        if (NULL != connection->response)
+          {
+            MHD_destroy_response (connection->response);
+            connection->response = NULL;
+          }
+
+        if (MHD_INVALID_SOCKET != connection->socket_fd)
+          {
+            shutdown (connection->socket_fd,
+                      SHUT_WR);
+            MHD_socket_close_chk_ (connection->socket_fd);
+            connection->socket_fd = MHD_INVALID_SOCKET;
+          }
+        return MHD_YES;
+      }
     /* 'upgraded' resources are not needed anymore - cleanup now */
     MHD_cleanup_upgraded_connection_ (connection);
     return MHD_YES;
diff --git a/src/microhttpd/test_upgrade.c b/src/microhttpd/test_upgrade.c
index 3d47f81..68f5c2b 100644
--- a/src/microhttpd/test_upgrade.c
+++ b/src/microhttpd/test_upgrade.c
@@ -104,8 +104,6 @@ main (int argc,
   int error_count = 0;
 
   /* try external select */
-#if 0
-
   error_count += test_upgrade (0,
                                0);
 #ifdef EPOLL_SUPPORT
@@ -122,9 +120,6 @@ main (int argc,
   /* Test different event loops, with and without thread pool */
   error_count += test_upgrade (MHD_USE_SELECT_INTERNALLY,
                                0);
-
-#endif
-
   error_count += test_upgrade (MHD_USE_SELECT_INTERNALLY,
                                2);
 #ifdef HAVE_POLL


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