gecko-dev/devtools/server/child.js
Alexandre Poirot 348726a264 Bug 1220458 - Resolves ActorRegistry.registerActor only once actor is registered in the child processes. r=jryans
--HG--
rename : devtools/server/tests/mochitest/test_registerActor.html => devtools/server/tests/browser/browser_register_actor.js
2015-11-19 09:51:21 -08:00

119 lines
3.9 KiB
JavaScript

/* 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";
try {
var chromeGlobal = this;
// Encapsulate in its own scope to allows loading this frame script
// more than once.
(function () {
let Cu = Components.utils;
let { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
const DevToolsUtils = require("devtools/shared/DevToolsUtils");
const { dumpn } = DevToolsUtils;
const { DebuggerServer, ActorPool } = require("devtools/server/main");
// Note that this frame script may be evaluated in non-e10s build
// In such case, DebuggerServer is already going to be initialized.
if (!DebuggerServer.initialized) {
DebuggerServer.init();
DebuggerServer.isInChildProcess = true;
}
// In case of apps being loaded in parent process, DebuggerServer is already
// initialized, but child specific actors are not registered.
// Otherwise, for apps in child process, we need to load actors the first
// time we load child.js
DebuggerServer.addChildActors();
let connections = new Map();
let onConnect = DevToolsUtils.makeInfallible(function (msg) {
removeMessageListener("debug:connect", onConnect);
let mm = msg.target;
let prefix = msg.data.prefix;
let conn = DebuggerServer.connectToParent(prefix, mm);
conn.parentMessageManager = mm;
connections.set(prefix, conn);
let actor = new DebuggerServer.ContentActor(conn, chromeGlobal, prefix);
let actorPool = new ActorPool(conn);
actorPool.addActor(actor);
conn.addActorPool(actorPool);
sendAsyncMessage("debug:actor", {actor: actor.form(), prefix: prefix});
});
addMessageListener("debug:connect", onConnect);
// Allows executing module setup helper from the parent process.
// See also: DebuggerServer.setupInChild()
let onSetupInChild = DevToolsUtils.makeInfallible(msg => {
let { module, setupChild, args } = msg.data;
let m, fn;
try {
m = require(module);
if (!setupChild in m) {
dumpn("ERROR: module '" + module + "' does not export '" +
setupChild + "'");
return false;
}
m[setupChild].apply(m, args);
} catch(e) {
let error_msg = "exception during actor module setup running in the child process: ";
DevToolsUtils.reportException(error_msg + e);
dumpn("ERROR: " + error_msg + " \n\t module: '" + module +
"' \n\t setupChild: '" + setupChild + "'\n" +
DevToolsUtils.safeErrorString(e));
return false;
}
if (msg.data.id) {
// Send a message back to know when it is processed
sendAsyncMessage("debug:setup-in-child-response",
{id: msg.data.id});
}
return true;
});
addMessageListener("debug:setup-in-child", onSetupInChild);
let onDisconnect = DevToolsUtils.makeInfallible(function (msg) {
removeMessageListener("debug:disconnect", onDisconnect);
// Call DebuggerServerConnection.close to destroy all child actors
// (It should end up calling DebuggerServerConnection.onClosed
// that would actually cleanup all actor pools)
let prefix = msg.data.prefix;
let conn = connections.get(prefix);
if (conn) {
conn.close();
connections.delete(prefix);
}
});
addMessageListener("debug:disconnect", onDisconnect);
let onInspect = DevToolsUtils.makeInfallible(function(msg) {
// Store the node to be inspected in a global variable
// (gInspectingNode). Later we'll fetch this variable again using
// the findInspectingNode request over the remote debugging
// protocol.
let inspector = require("devtools/server/actors/inspector");
inspector.setInspectingNode(msg.objects.node);
});
addMessageListener("debug:inspect", onInspect);
})();
} catch(e) {
dump("Exception in app child process: " + e + "\n");
}