bcarrella/cef
1
0
Fork 0
mirror of https://bitbucket.org/chromiumembedded/cef synced 2025-06-05 21:39:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

49
libcef/browser/frame_host_impl.cc
View File

@@ -13,6 +13,7 @@
#include "libcef/common/frame_util.h"
#include "libcef/common/net/url_util.h"
#include "libcef/common/process_message_impl.h"
#include "libcef/common/process_message_smr_impl.h"
#include "libcef/common/request_impl.h"
#include "libcef/common/string_util.h"
#include "libcef/common/task_runner_impl.h"
@@ -238,18 +239,31 @@ void CefFrameHostImpl::SendProcessMessage(
if (!message || !message->IsValid())
return;
// Invalidate the message object immediately by taking the argument list.
auto argument_list =
static_cast<CefProcessMessageImpl*>(message.get())->TakeArgumentList();
if (message->GetArgumentList() != nullptr) {
// Invalidate the message object immediately by taking the argument list.
auto argument_list =
static_cast<CefProcessMessageImpl*>(message.get())->TakeArgumentList();
SendToRenderFrame(__FUNCTION__,
base::BindOnce(
[](const CefString& name, base::ListValue argument_list,
const RenderFrameType& render_frame) {
render_frame->SendMessage(name,
std::move(argument_list));
},
message->GetName(), std::move(argument_list)));
SendToRenderFrame(
__FUNCTION__,
base::BindOnce(
[](const CefString& name, base::ListValue argument_list,
const RenderFrameType& render_frame) {
render_frame->SendMessage(name, std::move(argument_list));
},
message->GetName(), std::move(argument_list)));
} else {
auto region =
static_cast<CefProcessMessageSMRImpl*>(message.get())->TakeRegion();
SendToRenderFrame(
__FUNCTION__,
base::BindOnce(
[](const CefString& name, base::ReadOnlySharedMemoryRegion region,
const RenderFrameType& render_frame) {
render_frame->SendSharedMemoryRegion(name, std::move(region));
},
message->GetName(), std::move(region)));
}
}
void CefFrameHostImpl::SetFocused(bool focused) {
@@ -564,6 +578,19 @@ void CefFrameHostImpl::SendMessage(const std::string& name,
}
}
void CefFrameHostImpl::SendSharedMemoryRegion(
const std::string& name,
base::ReadOnlySharedMemoryRegion region) {
if (auto browser = GetBrowserHostBase()) {
if (auto client = browser->GetClient()) {
CefRefPtr<CefProcessMessage> message(
new CefProcessMessageSMRImpl(name, std::move(region)));
browser->GetClient()->OnProcessMessageReceived(browser.get(), this,
PID_RENDERER, message);
}
}
}
void CefFrameHostImpl::FrameAttached(
mojo::PendingRemote<cef::mojom::RenderFrame> render_frame_remote,
bool reattached) {