// components/mirroring/mojom/cast_message_channel.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 "components/mirroring/mojom/cast_message_channel.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 "components/mirroring/mojom/cast_message_channel.mojom-params-data.h" #include "components/mirroring/mojom/cast_message_channel.mojom-shared-message-ids.h" #include "components/mirroring/mojom/cast_message_channel.mojom-import-headers.h" #include "components/mirroring/mojom/cast_message_channel.mojom-test-utils.h" namespace mirroring::mojom { CastMessage::CastMessage() : message_namespace(), json_format_data() {} CastMessage::CastMessage( const std::string& message_namespace_in, const std::string& json_format_data_in) : message_namespace(std::move(message_namespace_in)), json_format_data(std::move(json_format_data_in)) {} CastMessage::~CastMessage() = default; size_t CastMessage::Hash(size_t seed) const { seed = mojo::internal::Hash(seed, this->message_namespace); seed = mojo::internal::Hash(seed, this->json_format_data); return seed; } void CastMessage::WriteIntoTrace( perfetto::TracedValue traced_context) const { [[maybe_unused]] auto dict = std::move(traced_context).WriteDictionary(); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem( "message_namespace"), this->message_namespace, #if BUILDFLAG(MOJO_TRACE_ENABLED) "" #else "" #endif // BUILDFLAG(MOJO_TRACE_ENABLED) ); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem( "json_format_data"), this->json_format_data, #if BUILDFLAG(MOJO_TRACE_ENABLED) "" #else "" #endif // BUILDFLAG(MOJO_TRACE_ENABLED) ); } bool CastMessage::Validate( const void* data, mojo::internal::ValidationContext* validation_context) { return Data_::Validate(data, validation_context); } // The declaration includes the definition on other builds. CastMessageChannel::IPCStableHashFunction CastMessageChannel::MessageToMethodInfo_(mojo::Message& message) { #if !BUILDFLAG(IS_FUCHSIA) switch (static_cast(message.name())) { case messages::CastMessageChannel::kOnMessage: { return &CastMessageChannel::OnMessage_Sym::IPCStableHash; } } #endif // !BUILDFLAG(IS_FUCHSIA) return nullptr; } const char* CastMessageChannel::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::CastMessageChannel::kOnMessage: return "Receive mirroring::mojom::CastMessageChannel::OnMessage"; } } else { switch (static_cast(message.name())) { case messages::CastMessageChannel::kOnMessage: return "Receive reply mirroring::mojom::CastMessageChannel::OnMessage"; } } 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 CastMessageChannel::OnMessage_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 = 0xa9ee6856; // IPCStableHash for mirroring::mojom::CastMessageChannel::OnMessage const uint32_t hash = kHash; base::debug::Alias(&hash); return hash; } # endif // !BUILDFLAG(IS_FUCHSIA) CastMessageChannelProxy::CastMessageChannelProxy(mojo::MessageReceiverWithResponder* receiver) : receiver_(receiver) { } void CastMessageChannelProxy::OnMessage( CastMessagePtr in_message) { #if BUILDFLAG(MOJO_TRACE_ENABLED) TRACE_EVENT1( "mojom", "Send mirroring::mojom::CastMessageChannel::OnMessage", "input_parameters", [&](perfetto::TracedValue context){ auto dict = std::move(context).WriteDictionary(); perfetto::WriteIntoTracedValueWithFallback( dict.AddItem("message"), in_message, ""); }); #endif const bool kExpectsResponse = false; 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::CastMessageChannel::kOnMessage), kFlags, estimated_payload_size); mojo::internal::MessageFragment< ::mirroring::mojom::internal::CastMessageChannel_OnMessage_Params_Data> params( message); params.Allocate(); mojo::internal::MessageFragment< typename decltype(params->message)::BaseType> message_fragment( params.message()); mojo::internal::Serialize<::mirroring::mojom::CastMessageDataView>( in_message, message_fragment); params->message.Set( message_fragment.is_null() ? nullptr : message_fragment.data()); MOJO_INTERNAL_CHECK_SERIALIZATION( mojo::internal::SendValidation::kDefault, !(params->message.is_null()), mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER, "null message in CastMessageChannel.OnMessage request"); #if defined(ENABLE_IPC_FUZZER) message.set_interface_name(CastMessageChannel::Name_); message.set_method_name("OnMessage"); #endif // This return value may be ignored as false implies the Connector has // encountered an error, which will be visible through other means. ::mojo::internal::SendMojoMessage(*receiver_, message); } // static bool CastMessageChannelStubDispatch::Accept( CastMessageChannel* impl, mojo::Message* message) { switch (static_cast(message->header()->name)) { case messages::CastMessageChannel::kOnMessage: { DCHECK(message->is_serialized()); internal::CastMessageChannel_OnMessage_Params_Data* params = reinterpret_cast( message->mutable_payload()); // Validation for CastMessageChannel.0 bool success = true; CastMessagePtr p_message{}; CastMessageChannel_OnMessage_ParamsDataView input_data_view(params, message); if (success && !input_data_view.ReadMessage(&p_message)) success = false; if (!success) { ReportValidationErrorForMessage( message, mojo::internal::VALIDATION_ERROR_DESERIALIZATION_FAILED, CastMessageChannel::Name_, 0, false); return false; } // A null |impl| means no implementation was bound. DCHECK(impl); impl->OnMessage( std::move(p_message)); return true; } } return false; } // static bool CastMessageChannelStubDispatch::AcceptWithResponder( CastMessageChannel* 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::CastMessageChannel::kOnMessage: { break; } } return false; } namespace { } // namespace static const mojo::internal::GenericValidationInfo kCastMessageChannelValidationInfo[] = { { &internal::CastMessageChannel_OnMessage_Params_Data::Validate, nullptr /* no response */}, }; bool CastMessageChannelRequestValidator::Accept(mojo::Message* message) { return mojo::internal::ValidateRequestGenericPacked( message, ::mirroring::mojom::CastMessageChannel::Name_, kCastMessageChannelValidationInfo); } } // mirroring::mojom namespace mojo { // static bool StructTraits<::mirroring::mojom::CastMessage::DataView, ::mirroring::mojom::CastMessagePtr>::Read( ::mirroring::mojom::CastMessage::DataView input, ::mirroring::mojom::CastMessagePtr* output) { bool success = true; ::mirroring::mojom::CastMessagePtr result(::mirroring::mojom::CastMessage::New()); if (success && !input.ReadMessageNamespace(&result->message_namespace)) success = false; if (success && !input.ReadJsonFormatData(&result->json_format_data)) success = false; *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 mirroring::mojom { void CastMessageChannelInterceptorForTesting::OnMessage(CastMessagePtr message) { GetForwardingInterface()->OnMessage( std::move(message) ); } CastMessageChannelAsyncWaiter::CastMessageChannelAsyncWaiter( CastMessageChannel* proxy) : proxy_(proxy) {} CastMessageChannelAsyncWaiter::~CastMessageChannelAsyncWaiter() = default; } // mirroring::mojom #if defined(__clang__) #pragma clang diagnostic pop #endif