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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 com.android.loganalysis.item;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* Contains a list of processes and how much memory they are using. Generated from parsing
* compact mem info file. Refer to CompactMemInfoParser for more details.
*/
public class CompactMemInfoItem implements IItem {
/** Constants for JSON output */
public static final String PID_JSON_KEY = "pid";
public static final String NAME_JSON_KEY = "name";
public static final String PSS_JSON_KEY = "pss";
public static final String SWAP_JSON_KEY = "swap";
public static final String TYPE_JSON_KEY = "type";
public static final String ACTIVITIES_JSON_KEY = "activities";
public static final String PROCESSES_JSON_KEY = "processes";
public static final String LOST_RAM_JSON_KEY = "lostRam";
public static final String TOTAL_ZRAM_JSON_KEY = "totalZram";
public static final String FREE_SWAP_ZRAM_JSON_KEY = "freeSwapZram";
public static final String FREE_RAM_JSON_KEY = "freeRam";
public static final String TUNING_LEVEL_JSON_KEY = "tuningLevel";
/** Constants for attributes HashMap */
private static final String NAME_ATTR_KEY = "name";
private static final String PSS_ATTR_KEY = "pss";
private static final String SWAP_ATTR_KEY = "swap";
private static final String TYPE_ATTR_KEY = "type";
private static final String ACTIVITIES_ATTR_KEY = "activities";
private Map<Integer, Map<String, Object>> mPids = new HashMap<Integer, Map<String, Object>>();
private long mFreeRam;
private long mFreeSwapZram;
private long mLostRam;
private long mTotalZram;
private long mTuningLevel;
@Override
public IItem merge(IItem other) throws ConflictingItemException {
throw new ConflictingItemException("Compact meminfo items cannot be merged");
}
@Override
public boolean isConsistent(IItem other) {
return false;
}
@Override
public JSONObject toJson() {
JSONObject object = new JSONObject();
JSONArray processes = new JSONArray();
// Add processes and their attributes
for(int pid : getPids()) {
JSONObject proc = new JSONObject();
try {
proc.put(PID_JSON_KEY, pid);
proc.put(NAME_JSON_KEY, getName(pid));
proc.put(PSS_JSON_KEY, getPss(pid));
proc.put(SWAP_JSON_KEY, getSwap(pid));
proc.put(TYPE_JSON_KEY, getType(pid));
proc.put(ACTIVITIES_JSON_KEY, hasActivities(pid));
processes.put(proc);
} catch (JSONException e) {
// ignore
}
}
try {
object.put(PROCESSES_JSON_KEY, processes);
// Add the additional non-process field
object.put(LOST_RAM_JSON_KEY, getLostRam());
object.put(TOTAL_ZRAM_JSON_KEY, getTotalZram());
object.put(FREE_SWAP_ZRAM_JSON_KEY, getFreeSwapZram());
object.put(FREE_RAM_JSON_KEY, getFreeRam());
object.put(TUNING_LEVEL_JSON_KEY, getTuningLevel());
} catch (JSONException e) {
// ignore
}
return object;
}
/**
* Get the list of pids of the processes that were added so far.
* @return
*/
public Set<Integer> getPids() {
return mPids.keySet();
}
private Map<String, Object> get(int pid) {
return mPids.get(pid);
}
/**
* Adds a process to the list stored in this item.
*/
public void addPid(int pid, String name, String type, long pss, long swap, boolean activities) {
Map<String, Object> attributes = new HashMap<String, Object>();
attributes.put(NAME_ATTR_KEY, name);
attributes.put(TYPE_ATTR_KEY, type);
attributes.put(PSS_ATTR_KEY, pss);
attributes.put(SWAP_ATTR_KEY, swap);
attributes.put(ACTIVITIES_ATTR_KEY, activities);
mPids.put(pid, attributes);
}
/**
* Returns the name of the process with a given pid.
*/
public String getName(int pid) {
return (String)get(pid).get(NAME_ATTR_KEY);
}
/**
* Return pss of the process with a given name.
*/
public long getPss(int pid) {
return (Long)get(pid).get(PSS_ATTR_KEY);
}
/**
* Return swap memory of the process with a given name.
*/
public long getSwap(int pid) {
return (Long)get(pid).get(SWAP_ATTR_KEY);
}
/**
* Returns the type of the process with a given pid. Some possible types are native, cached,
* foreground and etc.
*/
public String getType(int pid) {
return (String)get(pid).get(TYPE_ATTR_KEY);
}
/**
* Returns true if a process has any activities assosiated with it. False otherwise.
*/
public boolean hasActivities(int pid) {
return (Boolean)get(pid).get(ACTIVITIES_ATTR_KEY);
}
/**
* Sets the lost RAM field
*/
public void setLostRam(long lostRam) {
mLostRam = lostRam;
}
/**
* Returns the lost RAM field
*/
public long getLostRam() {
return mLostRam;
}
/** Sets the free RAM field */
public void setFreeRam(long freeRam) {
mFreeRam = freeRam;
}
/** Returns the free RAM field */
public long getFreeRam() {
return mFreeRam;
}
/** Sets the total ZRAM field */
public void setTotalZram(long totalZram) {
mTotalZram = totalZram;
}
/** Returns the total ZRAM field */
public long getTotalZram() {
return mTotalZram;
}
/** Sets the free swap ZRAM field */
public void setFreeSwapZram(long freeSwapZram) {
mFreeSwapZram = freeSwapZram;
}
/** Returns the free swap ZRAM field */
public long getFreeSwapZram() {
return mFreeSwapZram;
}
/** Sets the tuning level field */
public void setTuningLevel(long tuningLevel) {
mTuningLevel = tuningLevel;
}
/** Returns the tuning level field */
public long getTuningLevel() {
return mTuningLevel;
}
}
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