controller and vsorc data viewers done

[VSoRC/.git] / src / routes / index.js

diff --git a/src/routes/index.js b/src/routes/index.js
index 7a36b4fd2d57d28b2be1c6042b582fc245a36fc0..e0eb75b40f2428f723b1d5d0f136b907f361a3d2 100644 (file)
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -71,6 +71,43 @@ router.get('/gettopo', (req, res) => {
   });
 });
 
+router.get('/pingall', (req, res) => {
+  var sys = require('sys')
+  var exec = require('child_process').exec;
+  var child;
+  child = exec("echo pingall > fifo", function(error, stdout, stderr) {
+    console.log("pingall");
+    res.send(stdout);
+  });
+});
+router.get('/placement', (req, res) => {
+  var sys = require('sys')
+  var exec = require('child_process').exec;
+  var child;
+  child = exec("echo placement > fifo", function(error, stdout, stderr) {
+    console.log("placement");
+    res.send(stdout);
+  });
+});
+
+router.get('/getvsorcdata', (req, res) => {
+  var sys = require('sys')
+  var exec = require('child_process').exec;
+  var child;
+  child = exec("cd /home/pi && cat aichivo 2>&1", function(error, stdout, stderr) {
+    console.log("getting vsorc data");
+    res.send(stdout);
+  });
+});
+router.get('/getcontrollerdata', (req, res) => {
+  var sys = require('sys')
+  var exec = require('child_process').exec;
+  var child;
+  child = exec("cd /home/pi && cat controllerout 2>&1", function(error, stdout, stderr) {
+    console.log("getting controller data");
+    res.send(stdout);
+  });
+});
 router.get('/listswitch', (req, res) => {
   var sys = require('sys')
   var exec = require('child_process').exec;
@@ -78,7 +115,16 @@ router.get('/listswitch', (req, res) => {
   child = exec("curl localhost:8080/data?list=switches", function(error, stdout, stderr) {
     console.log("listswitch");
     console.log(stdout);
-    let value = JSON.parse(stdout)
+    let value = '';
+    try {
+      value = JSON.parse(stdout)
+    }
+    catch(error) {
+      console.error(error);
+      console.log("no response from server");
+      // expected output: ReferenceError: nonExistentFunction is not defined
+      // Note - error messages will vary depending on browser
+    }
 
     res.send(value);
   });
@@ -103,7 +149,9 @@ router.get('/startcontroller', (req, res) => {
   var sys = require('sys')
   var exec = require('child_process').exec;
   var child;
-  child = exec("cd /home/pi/ryu && setsid $(cat /home/pi/ryu/ejecutarcontroller.sh | grep sudo) >/dev/null 2>&1 < /dev/null &", function(error, stdout, stderr) {
+  //cd /home/pi && setsid $(cat /home/pi/ejecutarcontroller.sh | grep sudo) >/dev/null 2>&1 < /dev/null &
+  //cd /home/pi && ./ejecutarcontroller.sh > /dev/null 2>&1 < /dev/null &  //comando anterior
+  child = exec("cd /home/pi && rm controllerout && touch controllerout && ./ejecutarcontroller.sh > controllerout 2>&1 &", function(error, stdout, stderr) {
     console.log("controller started");
     res.send(stdout);
   });
@@ -113,7 +161,7 @@ router.get('/stopcontroller', (req, res) => {
   var sys = require('sys')
   var exec = require('child_process').exec;
   var child;
-  child = exec("sudo kill $(ps aux | grep python | grep ryu | awk {'print $2'})", function(error, stdout, stderr) {
+  child = exec("cd /home/pi && rm controllerout && sudo kill $(ps aux | grep python | grep ryu | awk {'print $2'})", function(error, stdout, stderr) {
     console.log("controller stopped");
     res.send(stdout);
   });
@@ -125,17 +173,25 @@ router.get('/startvsorc', (req, res) => {
   var child0;//needs a mkfifo named fifo to exist
   var child1;
   var child2;
+  var child3;
   var answer;
+  request = JSON.parse(req.query.topology)
+  console.log("Topology is : \n"+ request);
   //controlar que solo se haga un arranque por vez y agregar el exec 3>fifo
-  child0 = exec("cd /home/pi && mkfifo fifo && touch aichivo", function(error, stdout, stderr) {
+  child0 = exec("cd /home/pi && echo \""+request+"\" > data", function(error, stdout, stderr) {
+    console.log(stdout + stderr);
+    answer+=stdout;
+  });
+  child1 = exec("cd /home/pi && mkfifo fifo && rm aichivo && touch aichivo", function(error, stdout, stderr) {
     console.log(stdout + stderr);
     answer+=stdout;
   });
-  child1 = exec("exec 3>fifo", function(error, stdout, stderr) {
+  child2 = exec("exec 3>fifo", function(error, stdout, stderr) {
     console.log(stdout + stderr);
     answer+=stdout;
-  });//add disown?
-  child2 = exec("cd /home/pi && cat fifo | sudo ./clusterGRE.py > aichivo 2>&1 &", function(error, stdout, stderr) {
+  });
+  //child3 uses tail so it can read from fifo even after a EOF
+  child3 = exec("cd /home/pi && tail -n +1 -f fifo | sudo ./clusterGRE.py > aichivo 2>&1 &", function(error, stdout, stderr) {
     console.log(stdout + stderr);
     answer+=stdout;
   });
@@ -149,23 +205,25 @@ router.get('/stopvsorc', (req,res) =>{
   var child2;
   var child3;
   var payload
-  child1 = exec("cd /home/pi && exec 3>&- && rm fifo aichivo", function(error, stdout, stderr) {
+  console.log("erasing...");
+  child1 = exec("cd /home/pi && exec 3>&- && rm fifo && rm aichivo", function(error, stdout, stderr) {
     console.log(stdout);
-    console.log("rm done");
-    payload+="rm done\n\n"+stdout;
 
+    payload+="rm done\n\n"+stdout;
   });//esto cierra el fifo, lo cual cierra el programa
 
   //sudo kill $(ps aux | grep GRE| grep sudo|awk {'print $2'}) && cd /home/pi && ./multissh.sh sudo -E mn -c; sudo -E mn -c
+  console.log("killing all...");
   child2 = exec("sudo kill $(ps aux | grep GRE| grep sudo|awk {'print $2'})", function(error, stdout, stderr) {
     console.log(stdout);
-    console.log("killed");
     payload+="killed\n\n"+stdout;
   });
+  console.log("Multisshing and cleaning...");
   child3 = exec("cd /home/pi && ./multissh.sh sudo -E mn -c; sudo -E mn -c", function(error, stdout, stderr) {
     console.log(stdout);
     console.log("multisshed");
     payload+="Multisshed\n\n"+stdout;
+
   });
   res.send(payload);
 });