15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/perftimer.h" 77d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/strings/string_number_conversions.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/ppp_messaging.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/proxy/ppapi_proxy_test.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/proxy/serialized_var.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/ppapi_globals.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/var.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/var_tracker.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ppapi { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace proxy { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::WaitableEvent handle_message_called(false, false); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void HandleMessage(PP_Instance /* instance */, PP_Var message_data) { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StringVar* string_var = StringVar::FromPPVar(message_data); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(string_var); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Retrieve the string to make sure the proxy can't "optimize away" sending 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the actual contents of the string (e.g., by doing a lazy retrieve or 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // something). Note that this test is for performance only, and assumes 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // other tests check for correctness. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string s = string_var->value(); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do something simple with the string so the compiler won't complain. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (s.length() > 0) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s[0] = 'a'; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(message_data); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) handle_message_called.Signal(); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PPP_Messaging ppp_messaging_mock = { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &HandleMessage 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PppMessagingPerfTest : public TwoWayTest { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PppMessagingPerfTest() : TwoWayTest(TwoWayTest::TEST_PPP_INTERFACE) { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) plugin().RegisterTestInterface(PPP_MESSAGING_INTERFACE, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &ppp_messaging_mock); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests the performance of sending strings through the proxy. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(PppMessagingPerfTest, StringPerformance) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Grab the host-side proxy of ppp_messaging. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const PPP_Messaging* ppp_messaging = static_cast<const PPP_Messaging*>( 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host().host_dispatcher()->GetProxiedInterface( 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PPP_MESSAGING_INTERFACE)); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const PP_Instance kTestInstance = pp_instance(); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int seed = 123; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int string_count = 1000; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_string_size = 1000000; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CommandLine* command_line = CommandLine::ForCurrentProcess(); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command_line) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command_line->HasSwitch("seed")) { 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringToInt(command_line->GetSwitchValueASCII("seed"), 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &seed); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command_line->HasSwitch("string_count")) { 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringToInt(command_line->GetSwitchValueASCII("string_count"), 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &string_count); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command_line->HasSwitch("max_string_size")) { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::StringToInt(command_line->GetSwitchValueASCII("max_string_size"), 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &max_string_size); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) srand(seed); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PerfTimeLogger logger("PppMessagingPerfTest.StringPerformance"); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < string_count; ++i) { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string test_string(rand() % max_string_size, 'a'); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_Var host_string = StringVar::StringToPPVar(test_string); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ppp_messaging->HandleMessage(kTestInstance, host_string); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) handle_message_called.Wait(); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(host_string); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace proxy 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ppapi 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 89