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/*
* Copyright (C) 2014 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 android.app;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Parcelable;
import android.util.Slog;
import java.io.IOException;
/**
* System private API for passing profiler settings.
*
* {@hide}
*/
public class ProfilerInfo implements Parcelable {
private static final String TAG = "ProfilerInfo";
/* Name of profile output file. */
public final String profileFile;
/* File descriptor for profile output file, can be null. */
public ParcelFileDescriptor profileFd;
/* Indicates sample profiling when nonzero, interval in microseconds. */
public final int samplingInterval;
/* Automatically stop the profiler when the app goes idle. */
public final boolean autoStopProfiler;
/*
* Indicates whether to stream the profiling info to the out file continuously.
*/
public final boolean streamingOutput;
/**
* Denotes an agent (and its parameters) to attach for profiling.
*/
public final String agent;
public ProfilerInfo(String filename, ParcelFileDescriptor fd, int interval, boolean autoStop,
boolean streaming, String agent) {
profileFile = filename;
profileFd = fd;
samplingInterval = interval;
autoStopProfiler = autoStop;
streamingOutput = streaming;
this.agent = agent;
}
public ProfilerInfo(ProfilerInfo in) {
profileFile = in.profileFile;
profileFd = in.profileFd;
samplingInterval = in.samplingInterval;
autoStopProfiler = in.autoStopProfiler;
streamingOutput = in.streamingOutput;
agent = in.agent;
}
/**
* Close profileFd, if it is open. The field will be null after a call to this function.
*/
public void closeFd() {
if (profileFd != null) {
try {
profileFd.close();
} catch (IOException e) {
Slog.w(TAG, "Failure closing profile fd", e);
}
profileFd = null;
}
}
@Override
public int describeContents() {
if (profileFd != null) {
return profileFd.describeContents();
} else {
return 0;
}
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeString(profileFile);
if (profileFd != null) {
out.writeInt(1);
profileFd.writeToParcel(out, flags);
} else {
out.writeInt(0);
}
out.writeInt(samplingInterval);
out.writeInt(autoStopProfiler ? 1 : 0);
out.writeInt(streamingOutput ? 1 : 0);
out.writeString(agent);
}
public static final Parcelable.Creator<ProfilerInfo> CREATOR =
new Parcelable.Creator<ProfilerInfo>() {
@Override
public ProfilerInfo createFromParcel(Parcel in) {
return new ProfilerInfo(in);
}
@Override
public ProfilerInfo[] newArray(int size) {
return new ProfilerInfo[size];
}
};
private ProfilerInfo(Parcel in) {
profileFile = in.readString();
profileFd = in.readInt() != 0 ? ParcelFileDescriptor.CREATOR.createFromParcel(in) : null;
samplingInterval = in.readInt();
autoStopProfiler = in.readInt() != 0;
streamingOutput = in.readInt() != 0;
agent = in.readString();
}
}
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