blob: dce225e6c522bbb24540a40a04e8032fac45cefb [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.HeapSnapshotProxy = class HeapSnapshotProxy extends WI.Object
{
constructor(snapshotObjectId, identifier, title, totalSize, totalObjectCount, liveSize, categories)
{
super();
this._proxyObjectId = snapshotObjectId;
this._identifier = identifier;
this._title = title;
this._totalSize = totalSize;
this._totalObjectCount = totalObjectCount;
this._liveSize = liveSize;
this._categories = Map.fromObject(categories);
console.assert(!this.invalid);
if (!WI.HeapSnapshotProxy.ValidSnapshotProxies)
WI.HeapSnapshotProxy.ValidSnapshotProxies = [];
WI.HeapSnapshotProxy.ValidSnapshotProxies.push(this);
}
// Static
static deserialize(objectId, serializedSnapshot)
{
let {identifier, title, totalSize, totalObjectCount, liveSize, categories} = serializedSnapshot;
return new WI.HeapSnapshotProxy(objectId, identifier, title, totalSize, totalObjectCount, liveSize, categories);
}
static invalidateSnapshotProxies()
{
if (!WI.HeapSnapshotProxy.ValidSnapshotProxies)
return;
for (let snapshotProxy of WI.HeapSnapshotProxy.ValidSnapshotProxies)
snapshotProxy._invalidate();
WI.HeapSnapshotProxy.ValidSnapshotProxies = null;
}
// Public
get proxyObjectId() { return this._proxyObjectId; }
get identifier() { return this._identifier; }
get title() { return this._title; }
get totalSize() { return this._totalSize; }
get totalObjectCount() { return this._totalObjectCount; }
get liveSize() { return this._liveSize; }
get categories() { return this._categories; }
get invalid() { return this._proxyObjectId === 0; }
updateForCollectionEvent(event)
{
console.assert(!this.invalid);
if (!event.data.affectedSnapshots.includes(this._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._liveSize = liveSize;
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));
});
}
// Private
_invalidate()
{
this._proxyObjectId = 0;
this._liveSize = 0;
this.dispatchEventToListeners(WI.HeapSnapshotProxy.Event.Invalidated);
}
};
WI.HeapSnapshotProxy.Event = {
CollectedNodes: "heap-snapshot-proxy-collected-nodes",
Invalidated: "heap-snapshot-proxy-invalidated",
};