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Merge pull request #1740 from ether/feature/add-cs-queue 

add a changeset queue
pull/1770/head
John McLear 2013-04-28 13:58:08 -07:00
parent 9f2bab2ba3 2c855de6f6
commit 2273cf9ed6
3 changed files with 60 additions and 66 deletions
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20
src/node/handler/PadMessageHandler.js
View File

@ -35,6 +35,7 @@ var messageLogger = log4js.getLogger("message");
var accessLogger = log4js.getLogger("access");
var _ = require('underscore');
var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks.js");
var channels = require("channels");
/**
* A associative array that saves informations about a session
@ -48,6 +49,11 @@ var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks.js");
*/
var sessioninfos = {};
/**
* A changeset queue per pad that is processed by handleUserChanges()
*/
var padChannels = new channels.channels(handleUserChanges);
/**
* Saves the Socket class we need to send and recieve data from the client
*/
@ -176,7 +182,7 @@ exports.handleMessage = function(client, message)
if (sessioninfos[client.id].readonly) {
messageLogger.warn("Dropped message, COLLABROOM for readonly pad");
} else if (message.data.type == "USER_CHANGES") {
handleUserChanges(client, message);
padChannels.emit(message.padId, {client: client, message: message});// add to pad queue
} else if (message.data.type == "USERINFO_UPDATE") {
handleUserInfoUpdate(client, message);
} else if (message.data.type == "CHAT_MESSAGE") {
@ -522,23 +528,26 @@ function handleUserInfoUpdate(client, message)
* @param client the client that send this message
* @param message the message from the client
*/
function handleUserChanges(client, message)
function handleUserChanges(data, cb)
{
var client = data.client
, message = data.message
// Make sure all required fields are present
if(message.data.baseRev == null)
{
messageLogger.warn("Dropped message, USER_CHANGES Message has no baseRev!");
return;
return cb();
}
if(message.data.apool == null)
{
messageLogger.warn("Dropped message, USER_CHANGES Message has no apool!");
return;
return cb();
}
if(message.data.changeset == null)
{
messageLogger.warn("Dropped message, USER_CHANGES Message has no changeset!");
return;
return cb();
}
//get all Vars we need
@ -679,6 +688,7 @@ function handleUserChanges(client, message)
}
], function(err)
{
cb();
ERR(err);
});
}

103
src/node/handler/SocketIORouter.js
View File

@ -48,88 +48,56 @@ exports.addComponent = function(moduleName, module)
/**
* sets the socket.io and adds event functions for routing
*/
exports.setSocketIO = function(_socket)
{
exports.setSocketIO = function(_socket) {
//save this socket internaly
socket = _socket;
socket.sockets.on('connection', function(client)
{
socket.sockets.on('connection', function(client) {
client.set('remoteAddress', client.handshake.address.address);
var clientAuthorized = false;
//wrap the original send function to log the messages
client._send = client.send;
client.send = function(message)
{
client.send = function(message) {
messageLogger.debug("to " + client.id + ": " + stringifyWithoutPassword(message));
client._send(message);
}
//tell all components about this connect
for(var i in components)
{
for(var i in components) {
components[i].handleConnect(client);
}
//try to handle the message of this client
function handleMessage(message)
{
if(message.component && components[message.component])
{
//check if component is registered in the components array
if(components[message.component])
{
messageLogger.debug("from " + client.id + ": " + stringifyWithoutPassword(message));
components[message.component].handleMessage(client, message);
}
}
else
{
messageLogger.error("Can't route the message:" + stringifyWithoutPassword(message));
}
}
}
client.on('message', function(message)
{
if(message.protocolVersion && message.protocolVersion != 2)
{
if(message.protocolVersion && message.protocolVersion != 2) {
messageLogger.warn("Protocolversion header is not correct:" + stringifyWithoutPassword(message));
return;
}
//client is authorized, everything ok
if(clientAuthorized)
{
handleMessage(message);
}
//try to authorize the client
else
{
//this message has everything to try an authorization
if(message.padId !== undefined && message.sessionID !== undefined && message.token !== undefined && message.password !== undefined)
{
securityManager.checkAccess (message.padId, message.sessionID, message.token, message.password, function(err, statusObject)
{
ERR(err);
//access was granted, mark the client as authorized and handle the message
if(statusObject.accessStatus == "grant")
{
clientAuthorized = true;
handleMessage(message);
if(clientAuthorized) {
handleMessage(client, message);
} else { //try to authorize the client
if(message.padId !== undefined && message.sessionID !== undefined && message.token !== undefined && message.password !== undefined) {
//this message has everything to try an authorization
securityManager.checkAccess (message.padId, message.sessionID, message.token, message.password,
function(err, statusObject) {
ERR(err);
//access was granted, mark the client as authorized and handle the message
if(statusObject.accessStatus == "grant") {
clientAuthorized = true;
handleMessage(client, message);
}
//no access, send the client a message that tell him why
else {
messageLogger.warn("Authentication try failed:" + stringifyWithoutPassword(message));
client.json.send({accessStatus: statusObject.accessStatus});
}
}
//no access, send the client a message that tell him why
else
{
messageLogger.warn("Authentication try failed:" + stringifyWithoutPassword(message));
client.json.send({accessStatus: statusObject.accessStatus});
}
});
}
//drop message
else
{
);
} else { //drop message
messageLogger.warn("Dropped message cause of bad permissions:" + stringifyWithoutPassword(message));
}
}
@ -146,6 +114,21 @@ exports.setSocketIO = function(_socket)
});
}
//try to handle the message of this client
function handleMessage(client, message)
{
if(message.component && components[message.component]) {
//check if component is registered in the components array
if(components[message.component]) {
messageLogger.debug("from " + client.id + ": " + stringifyWithoutPassword(message));
components[message.component].handleMessage(client, message);
}
} else {
messageLogger.error("Can't route the message:" + stringifyWithoutPassword(message));
}
}
//returns a stringified representation of a message, removes the password
//this ensures there are no passwords in the log
function stringifyWithoutPassword(message)

3
src/package.json
View File

@ -37,7 +37,8 @@
"underscore" : "1.3.1",
"unorm" : "1.0.0",
"languages4translatewiki" : "0.1.3",
"swagger-node-express" : "1.2.3"
"swagger-node-express" : "1.2.3",
"channels" : "0.0.x"
},
"bin": { "etherpad-lite": "./node/server.js" },
"devDependencies": {