});
});
+router.get('/gettopo', (req, res) => {
+ var sys = require('sys')
+ var exec = require('child_process').exec;
+ var child;
+ child = exec("curl localhost:8080/topology", function(error, stdout, stderr) {
+ console.log("gettopo");
+ res.send(stdout);
+ });
+});
+
+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) {
+ console.log("controller started");
+ res.send(stdout);
+ });
+});
+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) {
+ console.log("controller stopped");
+ res.send(stdout);
+ });
+});
+
+router.get('/startvsorc', (req, res) => {
+ var sys = require('sys')
+ var exec = require('child_process').exec;
+ var child0;//needs a mkfifo named fifo to exist
+ var child1;
+ var child2;
+ var answer;
+ //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) {
+ console.log(stdout + stderr);
+ answer+=stdout;
+ });
+ child1 = 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) {
+ console.log(stdout + stderr);
+ answer+=stdout;
+ });
+ res.send(answer);
+});
+
+router.get('/stopvsorc', (req,res) =>{
+ var sys = require('sys')
+ var exec = require('child_process').exec;
+ var child;
+ child = exec("cd /home/pi && exec 3>&- && rm fifo aichivo", function(error, stdout, stderr) {
+ console.log(stdout);
+ res.send(stdout);
+ });//esto cierra el fifo, lo cual cierra el programa
+});
module.exports = router;