Parent child and additional changes

Author: goelakash

parent-child/child.js

@@ -0,0 +1,5 @@
+var num = process.argv[2];
+console.log("Child process "+num+" started.");
+process.on('exit',function(){
+	console.log("Process "+num+" ended.");
+});

parent-child/parent.js

@@ -0,0 +1,17 @@
+var child_process = require("child_process");
+
+for(var i=0;i<3;i++){
+	// var child = child_process.exec("node child.js "+i,function(err,stdout){
+	// 	if(err)
+	// 		console.log(err);
+	// 	else
+	// 		console.log(stdout);
+	// });
+
+	var child = child_process.spawn("node",['child.js',i]);
+	child.stdout.on('data',function(stdout){
+		console.log(stdout.toString());
+	})
+
+};
+

server-client/client.js

@@ -0,0 +1,48 @@
+var http = require("http");
+
+var options = {
+	'host':'127.0.0.1',
+	'port':'1234',
+	'path':'/new.txt'
+}
+
+var callback = function(response){
+
+	var data = "";
+
+	response.on('data',function(val){
+		data+=val;
+	});
+	response.on('end',function(){
+		console.log(data);
+	});
+};
+
+var req = http.request(options,callback);
+req.end();
+
+// var http = require('http');
+
+// // Options to be used by request
+// var options = {
+//    host: 'localhost',
+//    port: '1234',
+//    path: '/new.txt'
+// };
+
+// // Callback function is used to deal with response
+// var callback = function(response){
+//    // Continuously update stream with data
+//    var body = '';
+//    response.on('data', function(data) {
+//       body += data;
+//    });
+
+//    response.on('end', function() {
+//       // Data received completely.
+//       console.log(body);
+//    });
+// }
+// // Make a request to the server
+// var req = http.request(options, callback);
+// req.end();

server-client/server.js

@@ -0,0 +1,28 @@
+var http = require("http");
+var url = require("url");
+var fs = require("fs");
+
+
+http.createServer(function(req,res){
+	var path = url.parse(req.url).pathname;
+	path = path.substr(1);
+	console.log("pathname requested: "+path);
+	fs.readFile(path,function(err,data){
+		if(err)
+		{
+			console.log(err.stack);
+			res.writeHead(404,{'Content-Type':'text/html'});
+		}
+		else
+		{
+			console.log(data.toString());
+			res.writeHead(200,{'Content-Type':'text/html'});
+			// res.writeHead(path);
+			res.write(data.toString());
+		}
+		res.end();
+	})
+
+}).listen(1234);
+
+console.log("Server @ 1234...");