blob: c1c5446560146292ee8d26cda9c09ccd71440df2 [file] [log] [blame]
/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.HeapSnapshotDiffProxy = class HeapSnapshotDiffProxy extends WI.Object
{
constructor(snapshotDiffObjectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories)
{
super();
this._proxyObjectId = snapshotDiffObjectId;
console.assert(snapshot1 instanceof WI.HeapSnapshotProxy);
console.assert(snapshot2 instanceof WI.HeapSnapshotProxy);
this._snapshot1 = snapshot1;
this._snapshot2 = snapshot2;
this._totalSize = totalSize;
this._totalObjectCount = totalObjectCount;
this._categories = Map.fromObject(categories);
}
// Static
static deserialize(objectId, serializedSnapshotDiff)
{
let {snapshot1: serializedSnapshot1, snapshot2: serializedSnapshot2, totalSize, totalObjectCount, categories} = serializedSnapshotDiff;
// FIXME: The objectId for these snapshots is the snapshotDiff's objectId. Currently these
// snapshots are only used for static data so the proxing doesn't matter. However,
// should we serialize the objectId with the snapshot so we have the right objectId?
let snapshot1 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot1);
let snapshot2 = WI.HeapSnapshotProxy.deserialize(objectId, serializedSnapshot2);
return new WI.HeapSnapshotDiffProxy(objectId, snapshot1, snapshot2, totalSize, totalObjectCount, categories);
}
// Public
get snapshot1() { return this._snapshot1; }
get snapshot2() { return this._snapshot2; }
get totalSize() { return this._totalSize; }
get totalObjectCount() { return this._totalObjectCount; }
get categories() { return this._categories; }
get invalid() { return this._snapshot1.invalid || this._snapshot2.invalid; }
updateForCollectionEvent(event)
{
console.assert(!this.invalid);
if (!event.data.affectedSnapshots.includes(this._snapshot2._identifier))
return;
this.update(() => {
this.dispatchEventToListeners(WI.HeapSnapshotProxy.Event.CollectedNodes, event.data);
});
}
allocationBucketCounts(bucketSizes, callback)
{
console.assert(!this.invalid);
WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "allocationBucketCounts", bucketSizes, callback);
}
instancesWithClassName(className, callback)
{
console.assert(!this.invalid);
WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "instancesWithClassName", className, (serializedNodes) => {
callback(serializedNodes.map(WI.HeapSnapshotNodeProxy.deserialize.bind(null, this._proxyObjectId)));
});
}
update(callback)
{
console.assert(!this.invalid);
WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "update", ({liveSize, categories}) => {
this._categories = Map.fromObject(categories);
callback();
});
}
nodeWithIdentifier(nodeIdentifier, callback)
{
console.assert(!this.invalid);
WI.HeapSnapshotWorkerProxy.singleton().callMethod(this._proxyObjectId, "nodeWithIdentifier", nodeIdentifier, (serializedNode) => {
callback(WI.HeapSnapshotNodeProxy.deserialize(this._proxyObjectId, serializedNode));
});
}
};