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Add a shared memory variant of CefProcessMessage (fixes issue #3126)

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CefSharedProcessMessageBuilder supports creation of a CefProcessMessage
backed by a CefSharedMemoryRegion.

Performance tests comparing the existing ArgumentList approach and the new
SharedMemoryRegion approach have been added to cefclient at
http://tests/ipc_performance.

CefMessageRouter has been updated to use SharedMemoryRegion as transport
for larger message payloads. The threshold is configurable via
|CefMessageRouterConfig.message_size_threshold|.

To test:
run `ceftests --gtest_filter=SendSharedProcessMessageTest.*:SharedProcessMessageTest.*:MessageRouterTest.Threshold*`
This commit is contained in:
Nik Pavlov
2022-07-04 09:49:15 +00:00
committed by Marshall Greenblatt
parent a931d49f3e
commit 81e892d19e
55 changed files with 4025 additions and 1132 deletions
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23
libcef_dll/cpptoc/process_message_cpptoc.cc
View File

@ -9,11 +9,12 @@
// implementations. See the translator.README.txt file in the tools directory
// for more information.
//
// $hash=b63f665e68e4dc6269c3e88b81068190ea90abb3$
// $hash=5d331596c0425f145a19d8de6a866841d9ed8a87$
//
#include "libcef_dll/cpptoc/process_message_cpptoc.h"
#include "libcef_dll/cpptoc/list_value_cpptoc.h"
#include "libcef_dll/cpptoc/shared_memory_region_cpptoc.h"
#include "libcef_dll/shutdown_checker.h"
// GLOBAL FUNCTIONS - Body may be edited by hand.
@ -127,6 +128,24 @@ process_message_get_argument_list(struct _cef_process_message_t* self) {
return CefListValueCppToC::Wrap(_retval);
}
struct _cef_shared_memory_region_t* CEF_CALLBACK
process_message_get_shared_memory_region(struct _cef_process_message_t* self) {
shutdown_checker::AssertNotShutdown();
// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
DCHECK(self);
if (!self)
return NULL;
// Execute
CefRefPtr<CefSharedMemoryRegion> _retval =
CefProcessMessageCppToC::Get(self)->GetSharedMemoryRegion();
// Return type: refptr_same
return CefSharedMemoryRegionCppToC::Wrap(_retval);
}
} // namespace
// CONSTRUCTOR - Do not edit by hand.
@ -137,6 +156,8 @@ CefProcessMessageCppToC::CefProcessMessageCppToC() {
GetStruct()->copy = process_message_copy;
GetStruct()->get_name = process_message_get_name;
GetStruct()->get_argument_list = process_message_get_argument_list;
GetStruct()->get_shared_memory_region =
process_message_get_shared_memory_region;
}
// DESTRUCTOR - Do not edit by hand.