| /* |
| * Copyright (C) 2023 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "chre_host/pigweed/hal_channel_output.h" |
| |
| #include <cstdint> |
| |
| #include "chre/event.h" |
| #include "chre/util/pigweed/rpc_common.h" |
| #include "chre_host/host_protocol_host.h" |
| #include "chre_host/log.h" |
| #include "chre_host/socket_client.h" |
| #include "pw_rpc/channel.h" |
| #include "pw_span/span.h" |
| |
| namespace android::chre { |
| |
| using ::flatbuffers::FlatBufferBuilder; |
| |
| size_t HalChannelOutput::MaximumTransmissionUnit() { |
| return mMaxMessageLen > kFlatBufferPadding |
| ? mMaxMessageLen - kFlatBufferPadding |
| : 0; |
| } |
| |
| pw::Status HalChannelOutput::Send(pw::span<const std::byte> buffer) { |
| if (buffer.size() > 0) { |
| FlatBufferBuilder builder(buffer.size() + kFlatBufferPadding); |
| |
| HostProtocolHost::encodeNanoappMessage( |
| builder, mServerNanoappId, CHRE_MESSAGE_TYPE_RPC, mHostEndpointId, |
| buffer.data(), buffer.size()); |
| |
| if (!mSocketClient.sendMessage(builder.GetBufferPointer(), |
| builder.GetSize())) { |
| LOGE("Failed to send message"); |
| return PW_STATUS_UNKNOWN; |
| } |
| } |
| |
| return PW_STATUS_OK; |
| } |
| |
| } // namespace android::chre |