// services/tracing/public/mojom/traced_process.mojom.cc is auto generated by mojom_bindings_generator.py, do not edit // Copyright 2013 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #if defined(__clang__) #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-private-field" #endif #include "services/tracing/public/mojom/traced_process.mojom.h" #include #include #include #include "base/debug/alias.h" #include "base/notreached.h" #include "base/run_loop.h" #include "base/strings/string_number_conversions.h" #include "base/task/thread_pool/thread_pool_instance.h" #include "base/trace_event/trace_event.h" #include "base/trace_event/typed_macros.h" #include "mojo/public/cpp/bindings/lib/default_construct_tag_internal.h" #include "mojo/public/cpp/bindings/lib/generated_code_util.h" #include "mojo/public/cpp/bindings/lib/message_internal.h" #include "mojo/public/cpp/bindings/lib/proxy_to_responder.h" #include "mojo/public/cpp/bindings/lib/send_message_helper.h" #include "mojo/public/cpp/bindings/lib/serialization.h" #include "mojo/public/cpp/bindings/lib/unserialized_message_context.h" #include "mojo/public/cpp/bindings/lib/validate_params.h" #include "mojo/public/cpp/bindings/lib/validation_errors.h" #include "mojo/public/cpp/bindings/mojo_buildflags.h" #include "mojo/public/cpp/bindings/urgent_message_scope.h" #include "mojo/public/interfaces/bindings/interface_control_messages.mojom.h" #include "third_party/perfetto/include/perfetto/tracing/traced_value.h" #include "services/tracing/public/mojom/traced_process.mojom-params-data.h" #include "services/tracing/public/mojom/traced_process.mojom-shared-message-ids.h" #include "services/tracing/public/mojom/traced_process.mojom-import-headers.h" #include "services/tracing/public/mojom/traced_process.mojom-test-utils.h" namespace tracing::mojom { ConnectToTracingRequest::ConnectToTracingRequest() : perfetto_service() {} ConnectToTracingRequest::ConnectToTracingRequest( ::mojo::PendingRemote<::tracing::mojom::PerfettoService> perfetto_service_in) : perfetto_service(std::move(perfetto_service_in)) {} ConnectToTracingRequest::~ConnectToTracingRequest() = default; void ConnectToTracingRequest::WriteIntoTrace( perfetto::TracedValue traced_context) const { [[maybe_unused]] auto dict = std::move(traced_context).WriteDictionary(); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem( "perfetto_service"), this->perfetto_service, #if BUILDFLAG(MOJO_TRACE_ENABLED) ">" #else "" #endif // BUILDFLAG(MOJO_TRACE_ENABLED) ); } bool ConnectToTracingRequest::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { return Data_::Validate(data, validation_context); } // The declaration includes the definition on other builds. TracedProcess::IPCStableHashFunction TracedProcess::MessageToMethodInfo_(mojo::Message& message) { #if !BUILDFLAG(IS_FUCHSIA) switch (static_cast(message.name())) { case messages::TracedProcess::kConnectToTracingService: { return &TracedProcess::ConnectToTracingService_Sym::IPCStableHash; } } #endif // !BUILDFLAG(IS_FUCHSIA) return nullptr; } const char* TracedProcess::MessageToMethodName_(mojo::Message& message) { #if BUILDFLAG(MOJO_TRACE_ENABLED) bool is_response = message.has_flag(mojo::Message::kFlagIsResponse); if (!is_response) { switch (static_cast(message.name())) { case messages::TracedProcess::kConnectToTracingService: return "Receive tracing::mojom::TracedProcess::ConnectToTracingService"; } } else { switch (static_cast(message.name())) { case messages::TracedProcess::kConnectToTracingService: return "Receive reply tracing::mojom::TracedProcess::ConnectToTracingService"; } } return "Receive unknown mojo message"; #else bool is_response = message.has_flag(mojo::Message::kFlagIsResponse); if (is_response) { return "Receive mojo reply"; } else { return "Receive mojo message"; } #endif // BUILDFLAG(MOJO_TRACE_ENABLED) } #if !BUILDFLAG(IS_FUCHSIA) uint32_t TracedProcess::ConnectToTracingService_Sym::IPCStableHash() { // This method's address is used for identifying the mojo method name after // symbolization. So each IPCStableHash should have a unique address. // We cannot use NO_CODE_FOLDING() here - it relies on the uniqueness of // __LINE__ value, which is not unique across different mojo modules. // The code below is very similar to NO_CODE_FOLDING, but it uses a unique // hash instead of __LINE__. static constexpr uint32_t kHash = 0xef28ed59; // IPCStableHash for tracing::mojom::TracedProcess::ConnectToTracingService const uint32_t hash = kHash; base::debug::Alias(&hash); return hash; } # endif // !BUILDFLAG(IS_FUCHSIA) class TracedProcess_ConnectToTracingService_ForwardToCallback : public mojo::MessageReceiver { public: TracedProcess_ConnectToTracingService_ForwardToCallback( TracedProcess::ConnectToTracingServiceCallback callback ) : callback_(std::move(callback)) { } TracedProcess_ConnectToTracingService_ForwardToCallback(const TracedProcess_ConnectToTracingService_ForwardToCallback&) = delete; TracedProcess_ConnectToTracingService_ForwardToCallback& operator=(const TracedProcess_ConnectToTracingService_ForwardToCallback&) = delete; bool Accept(mojo::Message* message) override; private: TracedProcess::ConnectToTracingServiceCallback callback_; }; TracedProcessProxy::TracedProcessProxy(mojo::MessageReceiverWithResponder* receiver) : receiver_(receiver) { } void TracedProcessProxy::ConnectToTracingService( ConnectToTracingRequestPtr in_request, ConnectToTracingServiceCallback callback) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT1( "mojom", "Send tracing::mojom::TracedProcess::ConnectToTracingService", "input_parameters", [&](perfetto::TracedValue context){ auto dict = std::move(context).WriteDictionary(); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem("request"), in_request, ""); }); #endif const bool kExpectsResponse = true; const bool kIsSync = false; const bool kAllowInterrupt = true; const bool is_urgent = false; const uint32_t kFlags = ((kExpectsResponse) ? mojo::Message::kFlagExpectsResponse : 0) | ((kIsSync) ? mojo::Message::kFlagIsSync : 0) | ((kAllowInterrupt) ? 0 : mojo::Message::kFlagNoInterrupt) | ((is_urgent) ? mojo::Message::kFlagIsUrgent : 0); const size_t estimated_payload_size = 0; mojo::Message message( std::to_underlying(messages::TracedProcess::kConnectToTracingService), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::tracing::mojom::internal::TracedProcess_ConnectToTracingService_Params_Data> params( message); params.Allocate(); mojo::internal::MessageFragment< typename decltype(params->request)::BaseType> request_fragment( params.message()); mojo::internal::Serialize<::tracing::mojom::ConnectToTracingRequestDataView>( in_request, request_fragment); params->request.Set( request_fragment.is_null() ? nullptr : request_fragment.data()); MOJO_INTERNAL_CHECK_SERIALIZATION( mojo::internal::SendValidation::kDefault, !(params->request.is_null()), mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, "null request in TracedProcess.ConnectToTracingService request"); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(TracedProcess::Name_); message.set_method_name("ConnectToTracingService"); #endif std::unique_ptr responder( new TracedProcess_ConnectToTracingService_ForwardToCallback( std::move(callback))); ::mojo::internal::SendMojoMessage(*receiver_, message, std::move(responder)); } class TracedProcess_ConnectToTracingService_ProxyToResponder : public ::mojo::internal::ProxyToResponder { public: static TracedProcess::ConnectToTracingServiceCallback CreateCallback( ::mojo::Message& message, std::unique_ptr responder) { std::unique_ptr proxy( new TracedProcess_ConnectToTracingService_ProxyToResponder( message, std::move(responder))); return base::BindOnce(&TracedProcess_ConnectToTracingService_ProxyToResponder::Run, std::move(proxy)); } ~TracedProcess_ConnectToTracingService_ProxyToResponder() { #if DCHECK_IS_ON() if (responder_) { // If we're being destroyed without being run, we want to ensure the // binding endpoint has been closed. This checks for that asynchronously. // We pass a bound generated callback to handle the response so that any // resulting DCHECK stack will have useful interface type information. // Instantiate a ScopedFizzleBlockShutdownTasks to allow this request to // fizzle if this happens after shutdown and the endpoint is bound to a // BLOCK_SHUTDOWN sequence. base::ThreadPoolInstance::ScopedFizzleBlockShutdownTasks fizzler; responder_->IsConnectedAsync(base::BindOnce(&OnIsConnectedComplete)); } #endif } private: TracedProcess_ConnectToTracingService_ProxyToResponder( ::mojo::Message& message, std::unique_ptr responder) : ::mojo::internal::ProxyToResponder(message, std::move(responder)) { } #if DCHECK_IS_ON() static void OnIsConnectedComplete(bool connected) { DCHECK(!connected) << "TracedProcess::ConnectToTracingServiceCallback was destroyed without " << "first either being run or its corresponding binding being closed. " << "It is an error to drop response callbacks which still correspond " << "to an open interface pipe."; } #endif void Run( ); }; bool TracedProcess_ConnectToTracingService_ForwardToCallback::Accept( mojo::Message* message) { DCHECK(message->is_serialized()); internal::TracedProcess_ConnectToTracingService_ResponseParams_Data* params = reinterpret_cast< internal::TracedProcess_ConnectToTracingService_ResponseParams_Data*>( message->mutable_payload()); // Validation for TracedProcess.0 bool success = true; TracedProcess_ConnectToTracingService_ResponseParamsDataView input_data_view(params, message); if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, TracedProcess::Name_, 0, true); return false; } if (!callback_.is_null()) { std::move(callback_).Run(); } return true; } void TracedProcess_ConnectToTracingService_ProxyToResponder::Run( ) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT0("mojom", "Send reply tracing::mojom::TracedProcess::ConnectToTracingService"); #endif const uint32_t kFlags = mojo::Message::kFlagIsResponse | ((is_sync_) ? mojo::Message::kFlagIsSync : 0) | ((true) ? 0 : mojo::Message::kFlagNoInterrupt) | ((false) ? mojo::Message::kFlagIsUrgent : 0); const size_t estimated_payload_size = 0; mojo::Message message( std::to_underlying(messages::TracedProcess::kConnectToTracingService), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::tracing::mojom::internal::TracedProcess_ConnectToTracingService_ResponseParams_Data> params( message); params.Allocate(); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(TracedProcess::Name_); message.set_method_name("ConnectToTracingService"); #endif message.set_request_id(request_id_); message.set_trace_nonce(trace_nonce_); ::mojo::internal::SendMojoMessage(*responder_, message); // SendMojoMessage() fails silently if the responder connection is closed, // or if the message is malformed. // // TODO(darin): If Accept() returns false due to a malformed message, that // may be good reason to close the connection. However, we don't have a // way to do that from here. We should add a way. responder_ = nullptr; } // static bool TracedProcessStubDispatch::Accept( TracedProcess* impl, mojo::Message* message) { switch (static_cast(message->header()->name)) { case messages::TracedProcess::kConnectToTracingService: { break; } } return false; } // static bool TracedProcessStubDispatch::AcceptWithResponder( TracedProcess* impl, mojo::Message* message, std::unique_ptr responder) { [[maybe_unused]] const bool message_is_sync = message->has_flag(mojo::Message::kFlagIsSync); [[maybe_unused]] const uint64_t request_id = message->request_id(); switch (static_cast(message->header()->name)) { case messages::TracedProcess::kConnectToTracingService: { internal::TracedProcess_ConnectToTracingService_Params_Data* params = reinterpret_cast< internal::TracedProcess_ConnectToTracingService_Params_Data*>( message->mutable_payload()); // Validation for TracedProcess.0 bool success = true; ConnectToTracingRequestPtr p_request{}; TracedProcess_ConnectToTracingService_ParamsDataView input_data_view(params, message); if (success && !input_data_view.ReadRequest(&p_request)) success = false; if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, TracedProcess::Name_, 0, false); return false; } auto callback = TracedProcess_ConnectToTracingService_ProxyToResponder::CreateCallback( *message, std::move(responder)); // A null |impl| means no implementation was bound. DCHECK(impl); impl->ConnectToTracingService( std::move(p_request), std::move(callback)); return true; } } return false; } namespace { } // namespace static const mojo::internal::GenericValidationInfo kTracedProcessValidationInfo[] = { { &internal::TracedProcess_ConnectToTracingService_Params_Data::Validate, &internal::TracedProcess_ConnectToTracingService_ResponseParams_Data::Validate}, }; bool TracedProcessRequestValidator::Accept(mojo::Message* message) { return mojo::internal::ValidateRequestGenericPacked( message, ::tracing::mojom::TracedProcess::Name_, kTracedProcessValidationInfo); } bool TracedProcessResponseValidator::Accept(mojo::Message* message) { return mojo::internal::ValidateResponseGenericPacked( message, ::tracing::mojom::TracedProcess::Name_, kTracedProcessValidationInfo); } } // tracing::mojom namespace mojo { // static bool StructTraits<::tracing::mojom::ConnectToTracingRequest::DataView, ::tracing::mojom::ConnectToTracingRequestPtr>::Read( ::tracing::mojom::ConnectToTracingRequest::DataView input, ::tracing::mojom::ConnectToTracingRequestPtr* output) { bool success = true; ::tracing::mojom::ConnectToTracingRequestPtr result(::tracing::mojom::ConnectToTracingRequest::New()); if (success) { result->perfetto_service = input.TakePerfettoServiceperfetto_service)>(); } *output = std::move(result); return success; } } // namespace mojo // Symbols declared in the -test-utils.h header are defined here instead of a // separate .cc file to save compile time. namespace tracing::mojom { void TracedProcessInterceptorForTesting::ConnectToTracingService(ConnectToTracingRequestPtr request, ConnectToTracingServiceCallback callback) { GetForwardingInterface()->ConnectToTracingService( std::move(request) , std::move(callback)); } TracedProcessAsyncWaiter::TracedProcessAsyncWaiter( TracedProcess* proxy) : proxy_(proxy) {} TracedProcessAsyncWaiter::~TracedProcessAsyncWaiter() = default; void TracedProcessAsyncWaiter::ConnectToTracingService( ConnectToTracingRequestPtr request) { base::RunLoop loop; proxy_->ConnectToTracingService( std::move(request), base::BindOnce( [](base::RunLoop* loop) { loop->Quit(); }, &loop)); loop.Run(); } } // tracing::mojom #if defined(__clang__) #pragma clang diagnostic pop #endif