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Add a shared memory variant of CefProcessMessage (fixes issue #3126)
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*`
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committed by
Marshall Greenblatt
parent
a931d49f3e
commit
81e892d19e
105
libcef_dll/cpptoc/shared_memory_region_cpptoc.cc
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105
libcef_dll/cpptoc/shared_memory_region_cpptoc.cc
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// Copyright (c) 2022 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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//
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// ---------------------------------------------------------------------------
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//
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// This file was generated by the CEF translator tool. If making changes by
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// hand only do so within the body of existing method and function
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// implementations. See the translator.README.txt file in the tools directory
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// for more information.
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//
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// $hash=b8c6bf91bf16cb696121e7d304c21fbcdc927ffd$
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//
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#include "libcef_dll/cpptoc/shared_memory_region_cpptoc.h"
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#include "libcef_dll/shutdown_checker.h"
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namespace {
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// MEMBER FUNCTIONS - Body may be edited by hand.
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int CEF_CALLBACK
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shared_memory_region_is_valid(struct _cef_shared_memory_region_t* self) {
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shutdown_checker::AssertNotShutdown();
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// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
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DCHECK(self);
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if (!self)
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return 0;
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// Execute
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bool _retval = CefSharedMemoryRegionCppToC::Get(self)->IsValid();
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// Return type: bool
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return _retval;
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}
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size_t CEF_CALLBACK
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shared_memory_region_size(struct _cef_shared_memory_region_t* self) {
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shutdown_checker::AssertNotShutdown();
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// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
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DCHECK(self);
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if (!self)
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return 0;
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// Execute
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size_t _retval = CefSharedMemoryRegionCppToC::Get(self)->Size();
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// Return type: simple
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return _retval;
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}
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const void* CEF_CALLBACK
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shared_memory_region_memory(struct _cef_shared_memory_region_t* self) {
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shutdown_checker::AssertNotShutdown();
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shutdown_checker::AssertNotShutdown();
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// AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
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DCHECK(self);
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if (!self)
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return 0;
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// Execute
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const void* _retval = CefSharedMemoryRegionCppToC::Get(self)->Memory();
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// Return type: simple
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return _retval;
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}
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} // namespace
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// CONSTRUCTOR - Do not edit by hand.
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CefSharedMemoryRegionCppToC::CefSharedMemoryRegionCppToC() {
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GetStruct()->is_valid = shared_memory_region_is_valid;
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GetStruct()->size = shared_memory_region_size;
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GetStruct()->memory = shared_memory_region_memory;
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}
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// DESTRUCTOR - Do not edit by hand.
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CefSharedMemoryRegionCppToC::~CefSharedMemoryRegionCppToC() {
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shutdown_checker::AssertNotShutdown();
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}
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template <>
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CefRefPtr<CefSharedMemoryRegion> CefCppToCRefCounted<
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CefSharedMemoryRegionCppToC,
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CefSharedMemoryRegion,
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cef_shared_memory_region_t>::UnwrapDerived(CefWrapperType type,
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cef_shared_memory_region_t* s) {
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NOTREACHED() << "Unexpected class type: " << type;
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return nullptr;
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}
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template <>
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CefWrapperType CefCppToCRefCounted<CefSharedMemoryRegionCppToC,
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CefSharedMemoryRegion,
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cef_shared_memory_region_t>::kWrapperType =
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WT_SHARED_MEMORY_REGION;
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