[GNUnet-SVN] [libmicrohttpd] 135/154: add ways for application to control corking for upgraded sockets

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ng0 pushed a commit to branch master
in repository libmicrohttpd.

commit 26368ac8f1a32f49eaffae77abcfc595c62802bd
Author: Christian Grothoff <address@hidden>
AuthorDate: Thu Aug 1 21:40:47 2019 +0200

    add ways for application to control corking for upgraded sockets
---
 src/include/microhttpd.h      | 12 +++++++++++-
 src/microhttpd/connection.c   |  2 +-
 src/microhttpd/response.c     | 38 ++++++++++++++++++++++++++++++++++++++
 src/microhttpd/test_upgrade.c |  2 ++
 4 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/src/include/microhttpd.h b/src/include/microhttpd.h
index c2fc90a4..00288696 100644
--- a/src/include/microhttpd.h
+++ b/src/include/microhttpd.h
@@ -3132,7 +3132,17 @@ enum MHD_UpgradeAction
    *
    * Takes no extra arguments.
    */
-  MHD_UPGRADE_ACTION_CLOSE = 0
+  MHD_UPGRADE_ACTION_CLOSE = 0,
+
+  /**
+   * Enable CORKing on the underlying socket.
+   */
+  MHD_UPGRADE_ACTION_CORK_ON = 1,
+
+  /**
+   * Disable CORKing on the underlying socket.
+   */
+  MHD_UPGRADE_ACTION_CORK_OFF = 2
 
 };
 
diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index 67ff6017..c2add01a 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -3181,7 +3181,7 @@ MHD_connection_handle_write (struct MHD_Connection 
*connection)
       return;
     case MHD_CONNECTION_HEADERS_SENDING:
       {
-        const size_t wb_ready  =connection->write_buffer_append_offset -
+        const size_t wb_ready = connection->write_buffer_append_offset -
           connection->write_buffer_send_offset;
 
         /* if the response body is not available, we use 
MHD_send_on_connection_() */
diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
index 7b98a45c..65ea7b09 100644
--- a/src/microhttpd/response.c
+++ b/src/microhttpd/response.c
@@ -825,6 +825,44 @@ MHD_upgrade_action (struct MHD_UpgradeResponseHandle *urh,
      * be moved to cleanup list by MHD_resume_connection(). */
     MHD_resume_connection (connection);
     return MHD_YES;
+  case MHD_UPGRADE_ACTION_CORK_ON:
+    if (connection->sk_cork_on)
+      return MHD_YES;
+#ifdef HTTPS_SUPPORT
+    if (0 != (daemon->options & MHD_USE_TLS) )
+      {
+        gnutls_record_cork (connection->tls_session);
+        connection->sk_cork_on = true;
+        return MHD_YES;
+      }
+    else
+#else
+      {
+        if (0 ==
+            MHD_socket_cork_ (connection->socket_fd,
+                              true))
+          connection->sk_cork_on = true;
+      }
+#endif
+  case MHD_UPGRADE_ACTION_CORK_OFF:
+    if (! connection->sk_cork_on)
+      return MHD_YES;
+#ifdef HTTPS_SUPPORT
+    if (0 != (daemon->options & MHD_USE_TLS) )
+      {
+        gnutls_record_uncork (connection->tls_session, 0);
+        connection->sk_cork_on = false;
+        return MHD_YES;
+      }
+    else
+#else
+      {
+        if (0 ==
+            MHD_socket_cork_ (connection->socket_fd,
+                              false))
+          connection->sk_cork_on = false;
+      }
+#endif
   default:
     /* we don't understand this one */
     return MHD_NO;
diff --git a/src/microhttpd/test_upgrade.c b/src/microhttpd/test_upgrade.c
index caf12e61..9135187c 100644
--- a/src/microhttpd/test_upgrade.c
+++ b/src/microhttpd/test_upgrade.c
@@ -685,6 +685,8 @@ run_usock (void *cls)
 {
   struct MHD_UpgradeResponseHandle *urh = cls;
 
+  MHD_upgrade_action (urh,
+                      MHD_UPGRADE_ACTION_CORK_OFF);
   send_all (usock,
             "Hello");
   recv_all (usock,

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