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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 {
+ Arg,
+ RetVal,
+ types,
+ generateActorSpec,
+} = require("resource://devtools/shared/protocol.js");
+
+types.addDictType("AllocationsRecordingOptions", {
+ // The probability we sample any given allocation when recording
+ // allocations. Must be between 0.0 and 1.0. Defaults to 1.0, or sampling
+ // every allocation.
+ probability: "number",
+
+ // The maximum number of of allocation events to keep in the allocations
+ // log. If new allocations arrive, when we are already at capacity, the oldest
+ // allocation event is lost. This number must fit in a 32 bit signed integer.
+ maxLogLength: "number",
+});
+
+const memorySpec = generateActorSpec({
+ typeName: "memory",
+
+ /**
+ * The set of unsolicited events the MemoryActor emits that will be sent over
+ * the RDP (by protocol.js).
+ */
+ events: {
+ // Same format as the data passed to the
+ // `Debugger.Memory.prototype.onGarbageCollection` hook. See
+ // `js/src/doc/Debugger/Debugger.Memory.md` for documentation.
+ "garbage-collection": {
+ type: "garbage-collection",
+ data: Arg(0, "json"),
+ },
+
+ // Same data as the data from `getAllocations` -- only fired if
+ // `autoDrain` set during `startRecordingAllocations`.
+ allocations: {
+ type: "allocations",
+ data: Arg(0, "json"),
+ },
+ },
+
+ methods: {
+ attach: {
+ request: {},
+ response: {
+ type: RetVal("string"),
+ },
+ },
+ detach: {
+ request: {},
+ response: {
+ type: RetVal("string"),
+ },
+ },
+ getState: {
+ response: {
+ state: RetVal(0, "string"),
+ },
+ },
+ takeCensus: {
+ request: {},
+ response: RetVal("json"),
+ },
+ startRecordingAllocations: {
+ request: {
+ options: Arg(0, "nullable:AllocationsRecordingOptions"),
+ },
+ response: {
+ // Accept `nullable` in the case of server Gecko <= 37, handled on the front
+ value: RetVal(0, "nullable:number"),
+ },
+ },
+ stopRecordingAllocations: {
+ request: {},
+ response: {
+ // Accept `nullable` in the case of server Gecko <= 37, handled on the front
+ value: RetVal(0, "nullable:number"),
+ },
+ },
+ getAllocationsSettings: {
+ request: {},
+ response: {
+ options: RetVal(0, "json"),
+ },
+ },
+ getAllocations: {
+ request: {},
+ response: RetVal("json"),
+ },
+ forceGarbageCollection: {
+ request: {},
+ response: {},
+ },
+ forceCycleCollection: {
+ request: {},
+ response: {},
+ },
+ measure: {
+ request: {},
+ response: RetVal("json"),
+ },
+ residentUnique: {
+ request: {},
+ response: { value: RetVal("number") },
+ },
+ saveHeapSnapshot: {
+ request: {
+ boundaries: Arg(0, "nullable:json"),
+ },
+ response: {
+ snapshotId: RetVal("string"),
+ },
+ },
+ },
+});
+
+exports.memorySpec = memorySpec;