From 4c4daf01786561ef26bef5956be13cea23942bc4 Mon Sep 17 00:00:00 2001
From: Chris Chua <chris.sirhc@gmail.com>
Date: Sun, 17 Oct 2010 18:54:55 +0800
Subject: Simple options available now. Documentation later.

---
 index.js            |  4 +++
 node-mjpeg-proxy.js | 71 ++++++++++++++++++++++++++---------------------------
 2 files changed, 39 insertions(+), 36 deletions(-)
 create mode 100644 index.js

diff --git a/index.js b/index.js
new file mode 100644
index 0000000..5284ba9
--- /dev/null
+++ b/index.js
@@ -0,0 +1,4 @@
+exports.Proxy = require('./node-mjpeg-proxy').Proxy;
+exports.createProxy = function (srcURL, options) {
+  return new exports.Proxy(srcURL, options || {});
+};
diff --git a/node-mjpeg-proxy.js b/node-mjpeg-proxy.js
index a0365d9..831ef55 100644
--- a/node-mjpeg-proxy.js
+++ b/node-mjpeg-proxy.js
@@ -1,50 +1,49 @@
 /**************************
 TODO:
-x. better passing of the headers
-2. Make in modular
-3. Write it modular so it can be dynamically set for cam creds
+1. Make it work with existing HTTP servers and listen to resource URLs
 **************************/
 
 var http = require('http'),
 sys = require('sys'),
 url = require('url');
 
-var feedurl = "http://192.168.0.196:8080/videofeed";
-feedurl = url.parse(feedurl);
+Proxy = exports.Proxy = function (srcURL, options) {
+  if (!srcURL) throw new Error("Please provide a source feed URL");
+  srcURL = url.parse(srcURL);
 
-// port of the cam
-var cam = http.createClient(feedurl.port, feedurl.hostname);
-var audienceClients = [];
+  var srcClient = http.createClient(srcURL.port || 80, srcURL.hostname);
 
-var testServer = http.createServer();
-testServer.listen(5080, "0.0.0.0");
-sys.puts('Server started on port 5080');
+  var audienceServer = options.audienceServer || http.createServer();
+  var audienceServerPort = options.port || 5080;
+  var audienceClients = [];
 
-// Starting the stream on the cam
-var request = cam.request('GET', feedurl.pathname +
-  (feedurl.search ? feedurl.search : ""),
-  {'host': feedurl.hostname});
-request.end();
-request.on('response', function (srcResponse) {
-
-  /** Setup server listener **/
-  testServer.on('request', function (req, res) {
-    /** Replicate the header from the source **/
-    res.writeHead(200, srcResponse.headers);
-    /** Push the client into the client list **/
-    audienceClients.push(res);
-    /** Clean up connections when they're dead **/
-    res.socket.on('close', function () {
-      audienceClients.splice(audienceClients.indexOf(res), 1);
+  // Starting the stream on from the source
+  var request = srcClient.request('GET', srcURL.pathname +
+  (srcURL.search ? srcURL.search : ""),
+  {'host': srcURL.hostname});
+  request.end();
+  request.on('response', function (srcResponse) {
+    /** Setup Audience server listener **/
+    audienceServer.on('request', function (req, res) {
+      /** Replicate the header from the source **/
+      res.writeHead(200, srcResponse.headers);
+      /** Push the client into the client list **/
+      audienceClients.push(res);
+      /** Clean up connections when they're dead **/
+      res.socket.on('close', function () {
+        audienceClients.splice(audienceClients.indexOf(res), 1);
+      });
     });
-  });
+    audienceServer.listen(audienceServerPort);
+    sys.puts('node-mjpeg-proxy server started on port 5080');
 
-  /** Send data to relevant clients **/
-  srcResponse.setEncoding('binary');
-  srcResponse.on('data', function (chunk) {
-    var i;
-    for (i = audienceClients.length; i--;) {
-      audienceClients[i].write(chunk, 'binary');
-    }
+    /** Send data to relevant clients **/
+    srcResponse.setEncoding('binary');
+    srcResponse.on('data', function (chunk) {
+      var i;
+      for (i = audienceClients.length; i--;) {
+        audienceClients[i].write(chunk, 'binary');
+      }
+    });
   });
-});
+};
-- 
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