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/*
* 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.
*/
package com.google.services.firebase.directaccess.client.device.remote.service.adb.forwardingdaemon
import com.android.adblib.AdbChannel
import com.google.common.truth.Truth.assertThat
import java.nio.ByteBuffer
import java.nio.ByteOrder
internal fun createByteBuffer(
command: Int,
firstArg: Int = 0,
secondArg: Int = 0,
payloadSize: Int = 0,
payload: String? = null
): ByteBuffer {
val bufferSize = 24 + payloadSize
return ByteBuffer.allocate(bufferSize).apply {
order(ByteOrder.LITTLE_ENDIAN)
putInt(command)
putInt(firstArg)
putInt(secondArg)
putInt(payloadSize)
putInt(0) // crc - unused
putInt(0) // magic - unused
payload?.let { put(payload.toByteArray()) }
position(bufferSize)
flip()
}
}
suspend fun AdbChannel.assertCommand(vararg values: Int, payload: String? = null) {
val buffer = ByteBuffer.allocate(24).order(ByteOrder.LITTLE_ENDIAN)
readExactly(buffer)
// Read payload so that next assertCommand call will read the next command written to channel
val payloadBuffer = ByteBuffer.allocate(buffer.getInt(12)).order(ByteOrder.LITTLE_ENDIAN)
readExactly(payloadBuffer)
payload?.let { assertThat(String(payloadBuffer.array())).isEqualTo(it) }
values.forEachIndexed { index, value -> assertThat(buffer.getInt(index * 4)).isEqualTo(value) }
}
val String.hexLength: String
get() = String.format("%04X", length)
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