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*`
2025-06-05 21:39:12 +02:00 · 2022-07-04 09:49:15 +00:00
parent a931d49f3e
commit 81e892d19e
55 changed files with 4025 additions and 1132 deletions
--- a/tests/ceftests/message_router_harness_unittest.cc
+++ b/tests/ceftests/message_router_harness_unittest.cc
@@ -0,0 +1,81 @@
+// Copyright (c) 2022 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "tests/ceftests/message_router_unittest_utils.h"
+
+namespace {
+
+// Used to verify that the test harness (bound functions) behave correctly.
+class HarnessTestHandler : public SingleLoadTestHandler {
+ public:
+  HarnessTestHandler(bool test_success) : test_success_(test_success) {}
+
+  std::string GetMainHTML() override {
+    std::string html;
+    if (test_success_) {
+      // All assertions should pass.
+      html =
+          "<html><body><script>\n"
+          "var fail_ct = 0;\n"
+          "try { window.mrtAssertTotalCount(" LINESTR
+          ",0); } catch (e) { fail_ct++; }\n"
+          "try { window.mrtAssertBrowserCount(" LINESTR
+          ",0); } catch (e) { fail_ct++; }\n"
+          "try { window.mrtAssertContextCount(" LINESTR
+          ",0); } catch (e) { fail_ct++; }\n"
+          "window.mrtNotify('' + (fail_ct == 0));"
+          "</script></body></html>";
+    } else {
+      // All assertions should fail.
+      html =
+          "<html><body><script>\n"
+          "var fail_ct = 0;\n"
+          "try { window.mrtAssertTotalCount(" LINESTR
+          ",1); } catch (e) { fail_ct++; }\n"
+          "try { window.mrtAssertBrowserCount(" LINESTR
+          ",1); } catch (e) { fail_ct++; }\n"
+          "try { window.mrtAssertContextCount(" LINESTR
+          ",1); } catch (e) { fail_ct++; }\n"
+          "window.mrtNotify('' + (fail_ct == 3));"
+          "</script></body></html>";
+    }
+    return html;
+  }
+
+  void OnNotify(CefRefPtr<CefBrowser> browser,
+                CefRefPtr<CefFrame> frame,
+                const std::string& message) override {
+    AssertMainBrowser(browser);
+    AssertMainFrame(frame);
+
+    got_done_.yes();
+    EXPECT_STREQ("true", message.c_str());
+    DestroyTest();
+  }
+
+  void DestroyTest() override {
+    EXPECT_TRUE(got_done_);
+    TestHandler::DestroyTest();
+  }
+
+ private:
+  const bool test_success_;
+  TrackCallback got_done_;
+};
+
+}  // namespace
+
+// Verify that the test harness works with successful assertions.
+TEST(MessageRouterTest, HarnessSuccess) {
+  CefRefPtr<HarnessTestHandler> handler = new HarnessTestHandler(true);
+  handler->ExecuteTest();
+  ReleaseAndWaitForDestructor(handler);
+}
+
+// Verify that the test harness works with failed assertions.
+TEST(MessageRouterTest, HarnessFailure) {
+  CefRefPtr<HarnessTestHandler> handler = new HarnessTestHandler(false);
+  handler->ExecuteTest();
+  ReleaseAndWaitForDestructor(handler);
+}