1 files changed, 133 insertions, 0 deletions
diff --git a/vpp-userdemo/ui/backend/server.js b/vpp-userdemo/ui/backend/server.js
new file mode 100644
index 0000000..3523708
--- /dev/null
+++ b/vpp-userdemo/ui/backend/server.js
@@ -0,0 +1,133 @@
+// =========================================================================
+// ==================== get the packages we need ===========================
+// =========================================================================
+var express       = require('express');
+var app           = express();
+var v1            = new express.Router(); 
+var bodyParser    = require('body-parser');
+var ip            = require('ip');
+var fs            = require('fs');
+var path          = require('path');
+var fs            = require('fs');
+var untildify     = require('untildify');
+var Client        = require('ssh2').Client;
+var conn          = new Client();
+var PATH          = untildify('~/');
+var winston       = require('winston');
+var exec          = require('child_process').exec;
+// ===========================================================================
+// ================== Initialize the logging system ==========================
+// ===========================================================================
+var logger = new (winston.Logger)({
+  transports: [
+    new (winston.transports.File)({
+      name: 'info-file',
+      filename: 'node-info.log',
+      level: 'info'
+    }),
+    new (winston.transports.File)({
+      name: 'error-file',
+      filename: 'node-error.log',
+      level: 'error'
+    })
+  ]
+});
+// ==========================================================================
+// ====================== start the webserver  ==============================
+// ==========================================================================
+var server = app.listen(5000, ip.address(), function() {
+  console.log('Server running at http://'+ip.address()+':'+5000);
+  logger.log('info', 'Server running at http://'+ip.address()+':'+5000);
+});
+// ===========================================================================
+// ================ Initialize express dependencies ==========================
+// ===========================================================================
+app.use(bodyParser.urlencoded({extended: false}));
+app.use(bodyParser.json());
+app.use(express.static(__dirname + '/../dist.prod'));
+// Removing Angular's annoying # from the URL
+app.get('/', function(req, res) {
+  res.sendFile(path.join(__dirname + '/../dist.prod/html/index.html'));
+});
+// ===========================================================================
+// ================= Initialize the API routes ===============================
+// ===========================================================================
+app.use('/api/v1', v1);
+
+var TUTORIALS_PATH  = __dirname+'/../../tutorials';
+var CMDS_REGEXP     = /CMD\+=\("(.*)"\)/gmi;
+var INSTR_REGEXP    = /INSTR\+=\("(.*)"\)/gmi;
+var C1_IP_REGEXP    = /C1_IP="(.*)"/gmi;
+var C1_GW_REGEXP    = /C1_GW="(.*)"/gmi;
+var C2_IP_REGEXP    = /C2_IP="(.*)"/gmi;
+var C2_GW_REGEXP    = /C2_GW="(.*)"/gmi;
+
+
+function grabTutorials(req, res, next){
+  
+  var TUTORIALS     = [];
+  fs.readdir(TUTORIALS_PATH, function(err, data) {
+    if (err) {
+     return console.log(err);
+   }
+else
+   for(var x = 0; x < data.length; x++){
+      if(data[x].match(/^[^.]+$|.*\.sh/g)){
+        TUTORIALS.push(data[x]);
+      }
+    }
+    logger.log('info', 'Tutorials are sent to the client');
+    res.send(TUTORIALS);
+  });
+}
+
+function grabFile(req, res, next){
+
+  fs.readFile(TUTORIALS_PATH+'/'+req.params.tutorial, 'utf8', function (err,data) {
+    if (err) {
+      return console.log(err);
+    }
+    var CMD          = '';
+    var commands     = [];
+    var INSTR        = '';
+    var instructions = [];
+    var IP1          = '';
+    var IP2          = '';
+    var GW1          = '';
+    var GW2          = '';
+
+    CMD   = data.match(CMDS_REGEXP);
+    INSTR = data.match(INSTR_REGEXP);
+    IP1   = data.match(C1_IP_REGEXP);
+    IP2   = data.match(C2_IP_REGEXP);
+    GW1   = data.match(C1_GW_REGEXP);
+    GW2   = data.match(C2_GW_REGEXP);
+
+    IP1   = IP1[0].replace('C1_IP="', "").replace('"', "");
+    IP2   = IP2[0].replace('C2_IP="', "").replace('"', "");
+    GW1   = GW1[0].replace('C1_GW="', "").replace('"', "");
+    GW2   = GW2[0].replace('C2_GW="', "").replace('"', "");
+
+    for(var x = 0; x < INSTR.length; x++){
+      commands.push(CMD[x].replace('CMD+=("', "").replace('")', ""));
+      instructions.push(INSTR[x].replace('INSTR+=("', "").replace('")', ""));
+    }
+    exec('/vagrant/netns.sh '+IP1+' '+GW1+' '+IP2+' '+GW2, function(error, stdout, stderr) {
+      res.send({commands: commands, instructions: instructions});
+    });
+  });
+}
+
+function runCommand(req, res, next){
+  //Removing the out of bounds error
+  if(req.body.command == ''){req.body.command = ' '}
+  exec(req.body.command, function(error, stdout, stderr) {
+    if(stderr){res.send(stderr)}
+    else if(stdout){res.send(stdout)}
+    else{res.send(error)}
+  });
+}
+
+v1.get('/tutorials', grabTutorials);
+v1.get('/file/:tutorial', grabFile);
+v1.post('/command', runCommand);