mtp/ffs/MtpDeviceInfo.cpp

/*
 * Copyright (C) 2010 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.
 */

#define LOG_TAG "MtpDeviceInfo"

#include "MtpDebug.h"
#include "MtpDataPacket.h"
#include "MtpDeviceInfo.h"
#include "MtpStringBuffer.h"

MtpDeviceInfo::MtpDeviceInfo()
	:	mStandardVersion(0),
		mVendorExtensionID(0),
		mVendorExtensionVersion(0),
		mVendorExtensionDesc(NULL),
		mFunctionalMode(0),
		mOperations(NULL),
		mEvents(NULL),
		mDeviceProperties(NULL),
		mCaptureFormats(NULL),
		mPlaybackFormats(NULL),
		mManufacturer(NULL),
		mModel(NULL),
		mVersion(NULL),
		mSerial(NULL)
{
}

MtpDeviceInfo::~MtpDeviceInfo() {
	if (mVendorExtensionDesc)
		free(mVendorExtensionDesc);
	delete mOperations;
	delete mEvents;
	delete mDeviceProperties;
	delete mCaptureFormats;
	delete mPlaybackFormats;
	if (mManufacturer)
		free(mManufacturer);
	if (mModel)
		free(mModel);
	if (mVersion)
		free(mVersion);
	if (mSerial)
		free(mSerial);
}

bool MtpDeviceInfo::read(MtpDataPacket& packet) {
	MtpStringBuffer string;

	// read the device info
	if (!packet.getUInt16(mStandardVersion)) return false;
	if (!packet.getUInt32(mVendorExtensionID)) return false;
	if (!packet.getUInt16(mVendorExtensionVersion)) return false;

	if (!packet.getString(string)) return false;
	mVendorExtensionDesc = strdup((const char *)string);
	if (!mVendorExtensionDesc) return false;

	if (!packet.getUInt16(mFunctionalMode)) return false;
	mOperations = packet.getAUInt16();
	if (!mOperations) return false;
	mEvents = packet.getAUInt16();
	if (!mEvents) return false;
	mDeviceProperties = packet.getAUInt16();
	if (!mDeviceProperties) return false;
	mCaptureFormats = packet.getAUInt16();
	if (!mCaptureFormats) return false;
	mPlaybackFormats = packet.getAUInt16();
	if (!mCaptureFormats) return false;

	if (!packet.getString(string)) return false;
	mManufacturer = strdup((const char *)string);
	if (!mManufacturer) return false;
	if (!packet.getString(string)) return false;
	mModel = strdup((const char *)string);
	if (!mModel) return false;
	if (!packet.getString(string)) return false;
	mVersion = strdup((const char *)string);
	if (!mVersion) return false;
	if (!packet.getString(string)) return false;
	mSerial = strdup((const char *)string);
	if (!mSerial) return false;

	return true;
}

void MtpDeviceInfo::print() {
	ALOGV("Device Info:\n\tmStandardVersion: %d\n\tmVendorExtensionID: %d\n\tmVendorExtensionVersiony: %d\n",
			mStandardVersion, mVendorExtensionID, mVendorExtensionVersion);
	ALOGV("\tmVendorExtensionDesc: %s\n\tmFunctionalMode: %d\n\tmManufacturer: %s\n\tmModel: %s\n\tmVersion: %s\n\tmSerial: %s\n",
			mVendorExtensionDesc, mFunctionalMode, mManufacturer, mModel, mVersion, mSerial);
}