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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {
immutableUpdate,
reportException,
assert,
} = require("resource://devtools/shared/DevToolsUtils.js");
const {
snapshotState: states,
actions,
} = require("resource://devtools/client/memory/constants.js");
const {
L10N,
openFilePicker,
createSnapshot,
} = require("resource://devtools/client/memory/utils.js");
const {
selectSnapshot,
computeSnapshotData,
readSnapshot,
} = require("resource://devtools/client/memory/actions/snapshot.js");
const VALID_EXPORT_STATES = [states.SAVED, states.READ];
exports.pickFileAndExportSnapshot = function (snapshot) {
return async function ({ dispatch, getState }) {
const outputFile = await openFilePicker({
title: L10N.getFormatStr("snapshot.io.save.window"),
defaultName: PathUtils.filename(snapshot.path),
filters: [[L10N.getFormatStr("snapshot.io.filter"), "*.fxsnapshot"]],
mode: "save",
});
if (!outputFile) {
return;
}
await dispatch(exportSnapshot(snapshot, outputFile.path));
};
};
const exportSnapshot = (exports.exportSnapshot = function (snapshot, dest) {
return async function ({ dispatch, getState }) {
dispatch({ type: actions.EXPORT_SNAPSHOT_START, snapshot });
assert(
VALID_EXPORT_STATES.includes(snapshot.state),
`Snapshot is in invalid state for exporting: ${snapshot.state}`
);
try {
await IOUtils.copy(snapshot.path, dest);
} catch (error) {
reportException("exportSnapshot", error);
dispatch({ type: actions.EXPORT_SNAPSHOT_ERROR, snapshot, error });
}
dispatch({ type: actions.EXPORT_SNAPSHOT_END, snapshot });
};
});
exports.pickFileAndImportSnapshotAndCensus = function (heapWorker) {
return async function ({ dispatch, getState }) {
const input = await openFilePicker({
title: L10N.getFormatStr("snapshot.io.import.window"),
filters: [[L10N.getFormatStr("snapshot.io.filter"), "*.fxsnapshot"]],
mode: "open",
});
if (!input) {
return;
}
await dispatch(importSnapshotAndCensus(heapWorker, input.path));
};
};
const importSnapshotAndCensus = function (heapWorker, path) {
return async function ({ dispatch, getState }) {
const snapshot = immutableUpdate(createSnapshot(getState()), {
path,
state: states.IMPORTING,
imported: true,
});
const id = snapshot.id;
dispatch({ type: actions.IMPORT_SNAPSHOT_START, snapshot });
dispatch(selectSnapshot(snapshot.id));
try {
await dispatch(readSnapshot(heapWorker, id));
await dispatch(computeSnapshotData(heapWorker, id));
} catch (error) {
reportException("importSnapshot", error);
dispatch({ type: actions.IMPORT_SNAPSHOT_ERROR, error, id });
}
dispatch({ type: actions.IMPORT_SNAPSHOT_END, id });
};
};
exports.importSnapshotAndCensus = importSnapshotAndCensus;
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