Changeset 90238 in vbox for trunk/src/VBox/HostServices/DragAndDrop

Timestamp:

Jul 19, 2021 1:48:09 PM (4 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

145776

Message:

HGCM,HostServices: Extended VBOXHGCMSVCFNTABLE with client and call limits. Tried to pick reasonable values for all services. bugref:9379

File:

• trunk/src/VBox/HostServices/DragAndDrop/VBoxDragAndDropSvc.cpp (modified) (1 diff)

trunk/src/VBox/HostServices/DragAndDrop/VBoxDragAndDropSvc.cpp

@@ -181 +181 @@
 int DragAndDropService::init(VBOXHGCMSVCFNTABLE *pTable) RT_NOEXCEPT
 {
+    /* Legacy clients map to the root category. */
+    pTable->idxLegacyClientCategory = HGCM_CLIENT_CATEGORY_ROOT;
+
+    /* Limit to 255 clients (see also DragAndDropService::clientConnect). */
+    for (uintptr_t i = 0; i < RT_ELEMENTS(pTable->acMaxClients); i++)
+        pTable->acMaxClients[i] = UINT8_MAX;
+
+    /* Limit the number of concurrent calls to 256 (playing safe).  */
+    /** @todo Properly determin the max number of pending/concurrent calls for DnD. */
+    for (uintptr_t i = 0; i < RT_ELEMENTS(pTable->acMaxClients); i++)
+        pTable->acMaxCallsPerClient[i] = 256;
+
     /* Register functions. */
     pTable->pfnHostCall          = svcHostCall;