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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/. */
/*
* To use try out this JS server socket implementation, just copy this file
* into the "components" directory of a Mozilla build. Then load the URL
* http://localhost:4444/ in the browser. You should see a page get loaded
* that was served up by this component :-)
*
* This code requires Mozilla 1.6 or better.
*/
const kTESTSERV_CONTRACTID = "@mozilla.org/network/test-serv;1";
const kTESTSERV_CID = Components.ID("{a741fcd5-9695-42e8-a7f7-14f9a29f8200}");
const nsISupports = Components.interfaces.nsISupports;
const nsIObserver = Components.interfaces.nsIObserver;
const nsIServerSocket = Components.interfaces.nsIServerSocket;
const nsIServerSocketListener = Components.interfaces.nsIServerSocketListener;
const nsITransport = Components.interfaces.nsITransport;
const nsIScriptableInputStream = Components.interfaces.nsIScriptableInputStream;
/** we'll listen on this port for HTTP requests **/
const kPORT = 4444;
function nsTestServ() { dump(">>> creating nsTestServ instance\n"); };
nsTestServ.prototype =
{
QueryInterface: function(iid)
{
if (iid.equals(nsIObserver) ||
iid.equals(nsIServerSocketListener) ||
iid.equals(nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
observe: function(subject, topic, data)
{
dump(">>> observe [" + topic + "]\n");
this.startListening();
},
/* this function is called when we receive a new connection */
onSocketAccepted: function(serverSocket, clientSocket)
{
dump(">>> accepted connection on "+clientSocket.host+":"+clientSocket.port+"\n");
var input = clientSocket.openInputStream(nsITransport.OPEN_BLOCKING, 0, 0);
var output = clientSocket.openOutputStream(nsITransport.OPEN_BLOCKING, 0, 0);
this.consumeInput(input);
const fixedResponse =
"HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\n\r\nFooooopy!!\r\n";
var response = fixedResponse + "\r\n" + new Date().toString() + "\r\n";
var n = output.write(response, response.length);
dump(">>> wrote "+n+" bytes\n");
input.close();
output.close();
},
onStopListening: function(serverSocket, status)
{
dump(">>> shutting down server socket\n");
},
startListening: function()
{
const SERVERSOCKET_CONTRACTID = "@mozilla.org/network/server-socket;1";
var socket = Components.classes[SERVERSOCKET_CONTRACTID].createInstance(nsIServerSocket);
socket.init(kPORT, true /* loopback only */, 5);
dump(">>> listening on port "+socket.port+"\n");
socket.asyncListen(this);
},
consumeInput: function(input)
{
/* use nsIScriptableInputStream to consume all of the data on the stream */
var sin = Components.classes["@mozilla.org/scriptableinputstream;1"]
.createInstance(nsIScriptableInputStream);
sin.init(input);
/* discard all data */
while (sin.available() > 0)
sin.read(512);
}
}
/**
* JS XPCOM component registration goop:
*
* We set ourselves up to observe the xpcom-startup category. This provides
* us with a starting point.
*/
var servModule = new Object();
servModule.registerSelf =
function (compMgr, fileSpec, location, type)
{
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.registerFactoryLocation(kTESTSERV_CID,
"nsTestServ",
kTESTSERV_CONTRACTID,
fileSpec,
location,
type);
const CATMAN_CONTRACTID = "@mozilla.org/categorymanager;1";
const nsICategoryManager = Components.interfaces.nsICategoryManager;
var catman = Components.classes[CATMAN_CONTRACTID].getService(nsICategoryManager);
catman.addCategoryEntry("xpcom-startup",
"TestServ",
kTESTSERV_CONTRACTID,
true,
true);
}
servModule.getClassObject =
function (compMgr, cid, iid)
{
if (!cid.equals(kTESTSERV_CID))
throw Components.results.NS_ERROR_NO_INTERFACE;
if (!iid.equals(Components.interfaces.nsIFactory))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
return servFactory;
}
servModule.canUnload =
function (compMgr)
{
dump(">>> unloading test serv.\n");
return true;
}
var servFactory = new Object();
servFactory.createInstance =
function (outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(nsIObserver) &&
!iid.equals(nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return TestServ;
}
function NSGetModule(compMgr, fileSpec)
{
return servModule;
}
var TestServ = new nsTestServ();
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