зеркало из https://github.com/mozilla/gecko-dev.git
Bug 676404 - Migrate command APIs from Service to Clients engine. r=rnewman
This commit is contained in:
Gregory Szorc
Родитель
d8e2fcf0b9
Коммит
fa73fdc9a6
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@ -1294,7 +1294,7 @@ BookmarksTracker.prototype = {
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this._log.debug("Restore succeeded: wiping server and other clients.");
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Weave.Service.resetClient([this.name]);
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Weave.Service.wipeServer([this.name]);
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Weave.Service.prepCommand("wipeEngine", [this.name]);
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Clients.sendCommand("wipeEngine", [this.name]);
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break;
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case "bookmarks-restore-failed":
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this._log.debug("Tracking all items on failed import.");
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@ -107,41 +107,6 @@ ClientEngine.prototype = {
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return stats;
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},
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// Remove any commands for the local client and mark it for upload
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clearCommands: function clearCommands() {
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delete this.localCommands;
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this._tracker.addChangedID(this.localID);
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},
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// Send a command+args pair to each remote client
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sendCommand: function sendCommand(command, args) {
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// Helper to determine if the client already has this command
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let notDupe = function(other) other.command != command ||
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JSON.stringify(other.args) != JSON.stringify(args);
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// Package the command/args pair into an object
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let action = {
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command: command,
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args: args,
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};
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// Send the command to each remote client
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for (let [id, client] in Iterator(this._store._remoteClients)) {
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// Set the action to be a new commands array if none exists
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if (client.commands == null)
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client.commands = [action];
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// Add the new action if there are no duplicates
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else if (client.commands.every(notDupe))
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client.commands.push(action);
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// Must have been a dupe.. skip!
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else
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continue;
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this._log.trace("Client " + id + " got a new action: " + [command, args]);
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this._tracker.addChangedID(id);
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}
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},
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get localID() {
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// Generate a random GUID id we don't have one
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let localID = Svc.Prefs.get("client.GUID", "");
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@ -221,6 +186,147 @@ ClientEngine.prototype = {
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// Neither try again nor error; we're going to delete it.
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return SyncEngine.kRecoveryStrategy.ignore;
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},
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/**
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* A hash of valid commands that the client knows about. The key is a command
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* and the value is a hash containing information about the command such as
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* number of arguments and description.
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*/
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_commands: {
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resetAll: { args: 0, desc: "Clear temporary local data for all engines" },
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resetEngine: { args: 1, desc: "Clear temporary local data for engine" },
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wipeAll: { args: 0, desc: "Delete all client data for all engines" },
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wipeEngine: { args: 1, desc: "Delete all client data for engine" },
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logout: { args: 0, desc: "Log out client" }
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},
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/**
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* Remove any commands for the local client and mark it for upload.
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*/
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clearCommands: function clearCommands() {
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delete this.localCommands;
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this._tracker.addChangedID(this.localID);
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},
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/**
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* Sends a command+args pair to a specific client.
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*
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* @param command Command string
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* @param args Array of arguments/data for command
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* @param clientId Client to send command to
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*/
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_sendCommandToClient: function sendCommandToClient(command, args, clientId) {
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this._log.trace("Sending " + command + " to " + clientId);
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let client = this._store._remoteClients[clientId];
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if (!client) {
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throw new Error("Unknown remote client ID: '" + clientId + "'.");
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}
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// notDupe compares two commands and returns if they are not equal.
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let notDupe = function(other) {
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return other.command != command || !Utils.deepEquals(other.args, args);
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};
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let action = {
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command: command,
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args: args,
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};
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if (!client.commands) {
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client.commands = [action];
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}
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// Add the new action if there are no duplicates.
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else if (client.commands.every(notDupe)) {
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client.commands.push(action);
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}
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// It must be a dupe. Skip.
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else {
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return;
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}
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this._log.trace("Client " + clientId + " got a new action: " + [command, args]);
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this._tracker.addChangedID(clientId);
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},
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/**
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* Check if the local client has any remote commands and perform them.
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*
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* @return false to abort sync
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*/
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processIncomingCommands: function processIncomingCommands() {
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this._notify("clients:process-commands", "", function() {
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// Immediately clear out the commands as we've got them locally.
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this.clearCommands();
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// Process each command in order.
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for each ({command: command, args: args} in this.localCommands) {
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this._log.debug("Processing command: " + command + "(" + args + ")");
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let engines = [args[0]];
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switch (command) {
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case "resetAll":
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engines = null;
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// Fallthrough
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case "resetEngine":
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Weave.Service.resetClient(engines);
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break;
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case "wipeAll":
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engines = null;
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// Fallthrough
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case "wipeEngine":
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Weave.Service.wipeClient(engines);
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break;
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case "logout":
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Weave.Service.logout();
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return false;
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default:
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this._log.debug("Received an unknown command: " + command);
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break;
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}
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}
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return true;
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})();
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},
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/**
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* Validates and sends a command to a client or all clients.
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*
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* Calling this does not actually sync the command data to the server. If the
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* client already has the command/args pair, it won't receive a duplicate
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* command.
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*
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* @param command
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* Command to invoke on remote clients
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* @param args
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* Array of arguments to give to the command
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* @param clientId
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* Client ID to send command to. If undefined, send to all remote
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* clients.
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*/
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sendCommand: function sendCommand(command, args, clientId) {
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let commandData = this._commands[command];
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// Don't send commands that we don't know about.
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if (!commandData) {
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this._log.error("Unknown command to send: " + command);
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return;
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}
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// Don't send a command with the wrong number of arguments.
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else if (!args || args.length != commandData.args) {
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this._log.error("Expected " + commandData.args + " args for '" +
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command + "', but got " + args);
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return;
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}
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if (clientId) {
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this._sendCommandToClient(command, args, clientId);
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} else {
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for (let id in this._store._remoteClients) {
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this._sendCommandToClient(command, args, id);
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}
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}
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}
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};
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@ -1461,10 +1461,9 @@ WeaveSvc.prototype = {
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break;
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}
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// Process the incoming commands if we have any
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if (Clients.localCommands) {
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try {
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if (!(this.processCommands())) {
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if (!(Clients.processIncomingCommands())) {
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Status.sync = ABORT_SYNC_COMMAND;
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throw "aborting sync, process commands said so";
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}
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@ -1817,20 +1816,22 @@ WeaveSvc.prototype = {
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*/
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wipeRemote: function WeaveSvc_wipeRemote(engines)
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this._catch(this._notify("wipe-remote", "", function() {
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// Make sure stuff gets uploaded
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// Make sure stuff gets uploaded.
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this.resetClient(engines);
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// Clear out any server data
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// Clear out any server data.
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this.wipeServer(engines);
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// Only wipe the engines provided
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if (engines)
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engines.forEach(function(e) this.prepCommand("wipeEngine", [e]), this);
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// Tell the remote machines to wipe themselves
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else
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this.prepCommand("wipeAll", []);
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// Only wipe the engines provided.
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if (engines) {
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engines.forEach(function(e) Clients.sendCommand("wipeEngine", [e]), this);
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}
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// Tell the remote machines to wipe themselves.
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else {
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Clients.sendCommand("wipeAll", []);
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}
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// Make sure the changed clients get updated
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// Make sure the changed clients get updated.
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Clients.sync();
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}))(),
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@ -1871,104 +1872,16 @@ WeaveSvc.prototype = {
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engine.resetClient();
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}))(),
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/**
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* A hash of valid commands that the client knows about. The key is a command
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* and the value is a hash containing information about the command such as
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* number of arguments and description.
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*/
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_commands: [
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["resetAll", 0, "Clear temporary local data for all engines"],
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["resetEngine", 1, "Clear temporary local data for engine"],
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["wipeAll", 0, "Delete all client data for all engines"],
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["wipeEngine", 1, "Delete all client data for engine"],
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["logout", 0, "Log out client"],
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].reduce(function WeaveSvc__commands(commands, entry) {
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commands[entry[0]] = {};
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for (let [i, attr] in Iterator(["args", "desc"]))
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commands[entry[0]][attr] = entry[i + 1];
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return commands;
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}, {}),
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/**
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* Check if the local client has any remote commands and perform them.
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*
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* @return False to abort sync
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*/
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processCommands: function WeaveSvc_processCommands()
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this._notify("process-commands", "", function() {
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// Immediately clear out the commands as we've got them locally
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let commands = Clients.localCommands;
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Clients.clearCommands();
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// Process each command in order
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for each ({command: command, args: args} in commands) {
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this._log.debug("Processing command: " + command + "(" + args + ")");
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let engines = [args[0]];
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switch (command) {
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case "resetAll":
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engines = null;
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// Fallthrough
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case "resetEngine":
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this.resetClient(engines);
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break;
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case "wipeAll":
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engines = null;
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// Fallthrough
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case "wipeEngine":
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this.wipeClient(engines);
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break;
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case "logout":
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this.logout();
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return false;
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default:
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this._log.debug("Received an unknown command: " + command);
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break;
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}
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}
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return true;
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})(),
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/**
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* Prepare to send a command to each remote client. Calling this doesn't
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* actually sync the command data to the server. If the client already has
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* the command/args pair, it won't get a duplicate action.
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*
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* @param command
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* Command to invoke on remote clients
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* @param args
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* Array of arguments to give to the command
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*/
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prepCommand: function WeaveSvc_prepCommand(command, args) {
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let commandData = this._commands[command];
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// Don't send commands that we don't know about
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if (commandData == null) {
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this._log.error("Unknown command to send: " + command);
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return;
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}
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// Don't send a command with the wrong number of arguments
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else if (args == null || args.length != commandData.args) {
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this._log.error("Expected " + commandData.args + " args for '" +
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command + "', but got " + args);
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return;
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}
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// Send the command to all remote clients
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this._log.debug("Sending clients: " + [command, args, commandData.desc]);
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Clients.sendCommand(command, args);
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},
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/**
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* Fetch storage info from the server.
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*
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*
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* @param type
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* String specifying what info to fetch from the server. Must be one
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* of the INFO_* values. See Sync Storage Server API spec for details.
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* @param callback
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* Callback function with signature (error, data) where `data' is
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* the return value from the server already parsed as JSON.
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*
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*
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* @return RESTRequest instance representing the request, allowing callers
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* to cancel the request.
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*/
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@ -239,6 +239,198 @@ add_test(function test_client_name_change() {
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run_next_test();
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});
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add_test(function test_send_command() {
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_("Verifies _sendCommandToClient puts commands in the outbound queue.");
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let store = Clients._store;
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let tracker = Clients._tracker;
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let remoteId = Utils.makeGUID();
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let rec = new ClientsRec("clients", remoteId);
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store.create(rec);
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let remoteRecord = store.createRecord(remoteId, "clients");
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let action = "testCommand";
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let args = ["foo", "bar"];
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Clients._sendCommandToClient(action, args, remoteId);
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let newRecord = store._remoteClients[remoteId];
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do_check_neq(newRecord, undefined);
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do_check_eq(newRecord.commands.length, 1);
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let command = newRecord.commands[0];
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do_check_eq(command.command, action);
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do_check_eq(command.args.length, 2);
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do_check_eq(command.args, args);
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do_check_neq(tracker.changedIDs[remoteId], undefined);
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run_next_test();
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});
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add_test(function test_command_validation() {
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_("Verifies that command validation works properly.");
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let store = Clients._store;
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let testCommands = [
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["resetAll", [], true ],
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["resetAll", ["foo"], false],
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["resetEngine", ["tabs"], true ],
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["resetEngine", [], false],
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["wipeAll", [], true ],
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["wipeAll", ["foo"], false],
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["wipeEngine", ["tabs"], true ],
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["wipeEngine", [], false],
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["logout", [], true ],
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["logout", ["foo"], false],
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["__UNKNOWN__", [], false]
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];
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for each (let [action, args, expectedResult] in testCommands) {
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let remoteId = Utils.makeGUID();
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let rec = new ClientsRec("clients", remoteId);
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store.create(rec);
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store.createRecord(remoteId, "clients");
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Clients.sendCommand(action, args, remoteId);
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let newRecord = store._remoteClients[remoteId];
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do_check_neq(newRecord, undefined);
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if (expectedResult) {
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_("Ensuring command is sent: " + action);
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do_check_eq(newRecord.commands.length, 1);
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let command = newRecord.commands[0];
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do_check_eq(command.command, action);
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do_check_eq(command.args, args);
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do_check_neq(Clients._tracker, undefined);
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do_check_neq(Clients._tracker.changedIDs[remoteId], undefined);
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} else {
|
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_("Ensuring command is scrubbed: " + action);
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do_check_eq(newRecord.commands, undefined);
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|
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if (store._tracker) {
|
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do_check_eq(Clients._tracker[remoteId], undefined);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
run_next_test();
|
||||
});
|
||||
|
||||
add_test(function test_command_duplication() {
|
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_("Ensures duplicate commands are detected and not added");
|
||||
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let store = Clients._store;
|
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let remoteId = Utils.makeGUID();
|
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let rec = new ClientsRec("clients", remoteId);
|
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store.create(rec);
|
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store.createRecord(remoteId, "clients");
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let action = "resetAll";
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let args = [];
|
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Clients.sendCommand(action, args, remoteId);
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Clients.sendCommand(action, args, remoteId);
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let newRecord = store._remoteClients[remoteId];
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do_check_eq(newRecord.commands.length, 1);
|
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|
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_("Check variant args length");
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newRecord.commands = [];
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||||
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action = "resetEngine";
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Clients.sendCommand(action, [{ x: "foo" }], remoteId);
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Clients.sendCommand(action, [{ x: "bar" }], remoteId);
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_("Make sure we spot a real dupe argument.");
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Clients.sendCommand(action, [{ x: "bar" }], remoteId);
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do_check_eq(newRecord.commands.length, 2);
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run_next_test();
|
||||
});
|
||||
|
||||
add_test(function test_command_invalid_client() {
|
||||
_("Ensures invalid client IDs are caught");
|
||||
|
||||
let id = Utils.makeGUID();
|
||||
let error;
|
||||
|
||||
try {
|
||||
Clients.sendCommand("wipeAll", [], id);
|
||||
} catch (ex) {
|
||||
error = ex;
|
||||
}
|
||||
|
||||
do_check_eq(error.message.indexOf("Unknown remote client ID: "), 0);
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||||
|
||||
run_next_test();
|
||||
});
|
||||
|
||||
add_test(function test_command_sync() {
|
||||
_("Ensure that commands are synced across clients.");
|
||||
Svc.Prefs.set("clusterURL", "http://localhost:8080/");
|
||||
Svc.Prefs.set("username", "foo");
|
||||
|
||||
generateNewKeys();
|
||||
|
||||
let global = new ServerWBO('global',
|
||||
{engines: {clients: {version: Clients.version,
|
||||
syncID: Clients.syncID}}});
|
||||
let coll = new ServerCollection();
|
||||
let clientwbo = coll.wbos[Clients.localID] = new ServerWBO(Clients.localID);
|
||||
let server = httpd_setup({
|
||||
"/1.1/foo/storage/meta/global": global.handler(),
|
||||
"/1.1/foo/storage/clients": coll.handler()
|
||||
});
|
||||
let remoteId = Utils.makeGUID();
|
||||
let remotewbo = coll.wbos[remoteId] = new ServerWBO(remoteId);
|
||||
server.registerPathHandler(
|
||||
"/1.1/foo/storage/clients/" + Clients.localID, clientwbo.handler());
|
||||
server.registerPathHandler(
|
||||
"/1.1/foo/storage/clients/" + remoteId, remotewbo.handler());
|
||||
|
||||
_("Create remote client record");
|
||||
let rec = new ClientsRec("clients", remoteId);
|
||||
Clients._store.create(rec);
|
||||
let remoteRecord = Clients._store.createRecord(remoteId, "clients");
|
||||
Clients.sendCommand("wipeAll", []);
|
||||
|
||||
let clientRecord = Clients._store._remoteClients[remoteId];
|
||||
do_check_neq(clientRecord, undefined);
|
||||
do_check_eq(clientRecord.commands.length, 1);
|
||||
|
||||
try {
|
||||
Clients.sync();
|
||||
do_check_neq(clientwbo.payload, undefined);
|
||||
do_check_true(Clients.lastRecordUpload > 0);
|
||||
|
||||
do_check_neq(remotewbo.payload, undefined);
|
||||
|
||||
Svc.Prefs.set("client.GUID", remoteId);
|
||||
Clients._resetClient();
|
||||
do_check_eq(Clients.localID, remoteId);
|
||||
Clients.sync();
|
||||
do_check_neq(Clients.localCommands, undefined);
|
||||
do_check_eq(Clients.localCommands.length, 1);
|
||||
|
||||
let command = Clients.localCommands[0];
|
||||
do_check_eq(command.command, "wipeAll");
|
||||
do_check_eq(command.args.length, 0);
|
||||
|
||||
} finally {
|
||||
Svc.Prefs.resetBranch("");
|
||||
Records.clearCache();
|
||||
server.stop(run_next_test);
|
||||
}
|
||||
});
|
||||
|
||||
function run_test() {
|
||||
initTestLogging("Trace");
|
||||
Log4Moz.repository.getLogger("Sync.Engine.Clients").level = Log4Moz.Level.Trace;
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче