зеркало из https://github.com/mozilla/gecko-dev.git
393 строки
11 KiB
C++
393 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "NfcMessageHandler.h"
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#include <binder/Parcel.h>
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#include "mozilla/dom/MozNDEFRecordBinding.h"
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#include "nsDebug.h"
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#include "NfcOptions.h"
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#include "mozilla/unused.h"
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#include <android/log.h>
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#define NMH_LOG(args...) __android_log_print(ANDROID_LOG_INFO, "NfcMessageHandler", args)
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#define NFCD_MAJOR_VERSION 1
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#define NFCD_MINOR_VERSION 22
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using namespace android;
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using namespace mozilla;
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using namespace mozilla::dom;
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bool
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NfcMessageHandler::Marshall(Parcel& aParcel, const CommandOptions& aOptions)
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{
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bool result;
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switch (aOptions.mType) {
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case NfcRequestType::ChangeRFState:
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result = ChangeRFStateRequest(aParcel, aOptions);
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break;
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case NfcRequestType::ReadNDEF:
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result = ReadNDEFRequest(aParcel, aOptions);
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break;
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case NfcRequestType::WriteNDEF:
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result = WriteNDEFRequest(aParcel, aOptions);
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break;
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case NfcRequestType::MakeReadOnly:
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result = MakeReadOnlyRequest(aParcel, aOptions);
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break;
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case NfcRequestType::Format:
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result = FormatRequest(aParcel, aOptions);
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break;
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case NfcRequestType::Transceive:
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result = TransceiveRequest(aParcel, aOptions);
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break;
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default:
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result = false;
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break;
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};
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return result;
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}
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bool
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NfcMessageHandler::Unmarshall(const Parcel& aParcel, EventOptions& aOptions)
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{
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mozilla::Unused << htonl(aParcel.readInt32()); // parcel size
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int32_t type = aParcel.readInt32();
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bool isNtf = type >> 31;
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int32_t msgType = type & ~(1 << 31);
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return isNtf ? ProcessNotification(msgType, aParcel, aOptions) :
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ProcessResponse(msgType, aParcel, aOptions);
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}
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bool
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NfcMessageHandler::ProcessResponse(int32_t aType, const Parcel& aParcel, EventOptions& aOptions)
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{
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bool result;
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aOptions.mRspType = static_cast<NfcResponseType>(aType);
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switch (aOptions.mRspType) {
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case NfcResponseType::ChangeRFStateRsp:
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result = ChangeRFStateResponse(aParcel, aOptions);
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break;
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case NfcResponseType::ReadNDEFRsp:
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result = ReadNDEFResponse(aParcel, aOptions);
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break;
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case NfcResponseType::WriteNDEFRsp: // Fall through.
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case NfcResponseType::MakeReadOnlyRsp:
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case NfcResponseType::FormatRsp:
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result = GeneralResponse(aParcel, aOptions);
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break;
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case NfcResponseType::TransceiveRsp:
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result = TransceiveResponse(aParcel, aOptions);
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break;
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default:
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result = false;
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}
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return result;
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}
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bool
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NfcMessageHandler::ProcessNotification(int32_t aType, const Parcel& aParcel, EventOptions& aOptions)
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{
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bool result;
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aOptions.mNtfType = static_cast<NfcNotificationType>(aType);
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switch (aOptions.mNtfType) {
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case NfcNotificationType::Initialized:
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result = InitializeNotification(aParcel, aOptions);
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break;
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case NfcNotificationType::TechDiscovered:
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result = TechDiscoveredNotification(aParcel, aOptions);
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break;
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case NfcNotificationType::TechLost:
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result = TechLostNotification(aParcel, aOptions);
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break;
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case NfcNotificationType::HciEventTransaction:
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result = HCIEventTransactionNotification(aParcel, aOptions);
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break;
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case NfcNotificationType::NdefReceived:
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result = NDEFReceivedNotification(aParcel, aOptions);
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break;
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default:
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result = false;
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break;
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}
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return result;
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}
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bool
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NfcMessageHandler::GeneralResponse(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mErrorCode = aParcel.readInt32();
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aOptions.mSessionId = aParcel.readInt32();
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NS_ENSURE_TRUE(!mRequestIdQueue.IsEmpty(), false);
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aOptions.mRequestId = mRequestIdQueue[0];
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mRequestIdQueue.RemoveElementAt(0);
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return true;
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}
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bool
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NfcMessageHandler::ChangeRFStateRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::ChangeRFState));
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aParcel.writeInt32(aOptions.mRfState);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::ChangeRFStateResponse(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mErrorCode = aParcel.readInt32();
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NS_ENSURE_TRUE(!mRequestIdQueue.IsEmpty(), false);
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aOptions.mRequestId = mRequestIdQueue[0];
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mRequestIdQueue.RemoveElementAt(0);
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aOptions.mRfState = aParcel.readInt32();
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return true;
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}
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bool
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NfcMessageHandler::ReadNDEFRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::ReadNDEF));
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aParcel.writeInt32(aOptions.mSessionId);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::ReadNDEFResponse(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mErrorCode = aParcel.readInt32();
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aOptions.mSessionId = aParcel.readInt32();
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NS_ENSURE_TRUE(!mRequestIdQueue.IsEmpty(), false);
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aOptions.mRequestId = mRequestIdQueue[0];
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mRequestIdQueue.RemoveElementAt(0);
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if (aOptions.mErrorCode == 0) {
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ReadNDEFMessage(aParcel, aOptions);
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}
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return true;
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}
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bool
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NfcMessageHandler::TransceiveRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::Transceive));
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aParcel.writeInt32(aOptions.mSessionId);
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aParcel.writeInt32(aOptions.mTechnology);
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uint32_t length = aOptions.mCommand.Length();
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aParcel.writeInt32(length);
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void* data = aParcel.writeInplace(length);
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memcpy(data, aOptions.mCommand.Elements(), length);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::TransceiveResponse(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mErrorCode = aParcel.readInt32();
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aOptions.mSessionId = aParcel.readInt32();
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NS_ENSURE_TRUE(!mRequestIdQueue.IsEmpty(), false);
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aOptions.mRequestId = mRequestIdQueue[0];
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mRequestIdQueue.RemoveElementAt(0);
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if (aOptions.mErrorCode == 0) {
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ReadTransceiveResponse(aParcel, aOptions);
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}
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return true;
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}
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bool
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NfcMessageHandler::WriteNDEFRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::WriteNDEF));
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aParcel.writeInt32(aOptions.mSessionId);
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aParcel.writeInt32(aOptions.mIsP2P);
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WriteNDEFMessage(aParcel, aOptions);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::MakeReadOnlyRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::MakeReadOnly));
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aParcel.writeInt32(aOptions.mSessionId);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::FormatRequest(Parcel& aParcel, const CommandOptions& aOptions)
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{
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aParcel.writeInt32(static_cast<int32_t>(NfcRequestType::Format));
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aParcel.writeInt32(aOptions.mSessionId);
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mRequestIdQueue.AppendElement(aOptions.mRequestId);
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return true;
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}
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bool
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NfcMessageHandler::InitializeNotification(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mStatus = aParcel.readInt32();
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aOptions.mMajorVersion = aParcel.readInt32();
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aOptions.mMinorVersion = aParcel.readInt32();
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if (aOptions.mMajorVersion != NFCD_MAJOR_VERSION ||
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aOptions.mMinorVersion != NFCD_MINOR_VERSION) {
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NMH_LOG("NFCD version mismatched. majorVersion: %d, minorVersion: %d",
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aOptions.mMajorVersion, aOptions.mMinorVersion);
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}
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return true;
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}
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bool
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NfcMessageHandler::TechDiscoveredNotification(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mSessionId = aParcel.readInt32();
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aOptions.mIsP2P = aParcel.readInt32();
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int32_t techCount = aParcel.readInt32();
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aOptions.mTechList.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(techCount)), techCount);
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int32_t idCount = aParcel.readInt32();
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aOptions.mTagId.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(idCount)), idCount);
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int32_t ndefMsgCount = aParcel.readInt32();
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if (ndefMsgCount != 0) {
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ReadNDEFMessage(aParcel, aOptions);
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}
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int32_t ndefInfo = aParcel.readInt32();
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if (ndefInfo) {
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aOptions.mTagType = aParcel.readInt32();
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aOptions.mMaxNDEFSize = aParcel.readInt32();
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aOptions.mIsReadOnly = aParcel.readInt32();
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aOptions.mIsFormatable = aParcel.readInt32();
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}
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return true;
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}
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bool
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NfcMessageHandler::TechLostNotification(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mSessionId = aParcel.readInt32();
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return true;
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}
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bool
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NfcMessageHandler::HCIEventTransactionNotification(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mOriginType = aParcel.readInt32();
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aOptions.mOriginIndex = aParcel.readInt32();
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int32_t aidLength = aParcel.readInt32();
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aOptions.mAid.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(aidLength)), aidLength);
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int32_t payloadLength = aParcel.readInt32();
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aOptions.mPayload.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(payloadLength)), payloadLength);
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return true;
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}
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bool
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NfcMessageHandler::NDEFReceivedNotification(const Parcel& aParcel, EventOptions& aOptions)
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{
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aOptions.mSessionId = aParcel.readInt32();
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int32_t ndefMsgCount = aParcel.readInt32();
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if (ndefMsgCount != 0) {
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ReadNDEFMessage(aParcel, aOptions);
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}
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return true;
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}
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bool
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NfcMessageHandler::ReadNDEFMessage(const Parcel& aParcel, EventOptions& aOptions)
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{
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int32_t recordCount = aParcel.readInt32();
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aOptions.mRecords.SetCapacity(recordCount);
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for (int i = 0; i < recordCount; i++) {
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int32_t tnf = aParcel.readInt32();
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NDEFRecordStruct record;
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record.mTnf = static_cast<TNF>(tnf);
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int32_t typeLength = aParcel.readInt32();
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record.mType.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(typeLength)), typeLength);
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int32_t idLength = aParcel.readInt32();
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record.mId.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(idLength)), idLength);
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int32_t payloadLength = aParcel.readInt32();
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record.mPayload.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(payloadLength)), payloadLength);
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aOptions.mRecords.AppendElement(record);
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}
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return true;
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}
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bool
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NfcMessageHandler::WriteNDEFMessage(Parcel& aParcel, const CommandOptions& aOptions)
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{
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int recordCount = aOptions.mRecords.Length();
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aParcel.writeInt32(recordCount);
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for (int i = 0; i < recordCount; i++) {
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const NDEFRecordStruct& record = aOptions.mRecords[i];
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aParcel.writeInt32(static_cast<int32_t>(record.mTnf));
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void* data;
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aParcel.writeInt32(record.mType.Length());
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data = aParcel.writeInplace(record.mType.Length());
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memcpy(data, record.mType.Elements(), record.mType.Length());
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aParcel.writeInt32(record.mId.Length());
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data = aParcel.writeInplace(record.mId.Length());
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memcpy(data, record.mId.Elements(), record.mId.Length());
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aParcel.writeInt32(record.mPayload.Length());
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data = aParcel.writeInplace(record.mPayload.Length());
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memcpy(data, record.mPayload.Elements(), record.mPayload.Length());
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}
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return true;
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}
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bool
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NfcMessageHandler::ReadTransceiveResponse(const Parcel& aParcel, EventOptions& aOptions)
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{
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uint32_t length = aParcel.readInt32();
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aOptions.mResponse.AppendElements(
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static_cast<const uint8_t*>(aParcel.readInplace(length)), length);
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return true;
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}
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