diff options
Diffstat (limited to 'routes/routes.js')
| -rw-r--r-- | routes/routes.js | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/routes/routes.js b/routes/routes.js new file mode 100644 index 0000000..ca07fba --- /dev/null +++ b/routes/routes.js @@ -0,0 +1,172 @@ +module.exports = function(express,app,fs,os,io,PythonShell,scriptPath){ + console.log("Server started!!! "); + + var router = express.Router(); + var pyEnv = '/usr/bin/python' + + router.get('/',function(req,res,next){ + res.render('index',{host:app.get('host'),title:'Ngspice Simulator'}); + + }); + + io.on('connection', function (socket) { + socketID = getSocketID(socket); + var plot_allv_file = '/tmp/plot_allv_'+socketID.toLowerCase()+'.txt' + var plot_alli_file = '/tmp/plot_alli_'+socketID.toLowerCase()+'.txt' + var fileName = '/tmp/'+socketID+'.cir.out'; + socket.emit('loadingPage', 'User with socket ID '+socket.id+' is Connected'); + + socket.on('user', function (data) { + console.log('Socket ID : '+data['socketID']); + }); + + socket.on('netlist',function(netlistContent){ + console.log('Server : '+netlistContent); + // socket.emit('serverMessage','Recived message for client '+socketID); + fs.writeFile(fileName, netlistContent, function (err) { + if (err){ + return console.log(err); + } + console.log('File is stored at '+fileName); + fs.exists(fileName, function(exists) { + if (exists) { + addPlotDetails(fileName); + executeNgspiceNetlist(fileName); + + } + }); + }); + + + }); + + socket.on('disconnect',function(){ + console.log("Client "+socketID+" disconnected"); + fs.exists(fileName, function(exists) { + if (exists) { + //Deleting ngspice file + deleteNetlistFile(fileName); + } + }); + + fs.exists(plot_allv_file, function(exists) { + // console.log("Check Plot allv "+plot_allv_file) + if (exists) { + console.log("Check Plot allv files") + //Deleting plot allv file + deleteNetlistFile(plot_allv_file); + } + }); + + fs.exists(plot_alli_file, function(exists) { + // console.log("Check Plot alli "+plot_alli_file) + if (exists) { + console.log("Check Plot alli files") + //Deleting plot alli file + deleteNetlistFile(plot_alli_file); + } + }); + + }); + + function addPlotDetails(fileName) + { + + //Adding Plot component in a file + sed('-i', 'run', 'run \n print allv > /tmp/plot_allv_'+socketID+'.txt \n print alli > /tmp/plot_alli_'+socketID+'.txt', fileName); + + } + + function executeNgspiceNetlist(fileName) + { + fs.exists(fileName, function(exists) { + if (exists) { + exec('ngspice '+fileName, function(code, stdout, stderr) { + console.log('Exit code:', code); + console.log('Program output:', stdout); + console.log('Program stderr:', stderr); + + if(stderr){ + switch(stderr){ + case (stderr.match(/Error/) || stderr.match(/error/)||{}).input: + console.log("Error in executing ngspice netlist"); + socket.emit('clearPlot','clearPlot'); + socket.emit('serverMessage',{"stderr":stderr,"stdout":stdout}); + + break; + default: + parsePlotData() + break; + } + + } + else{ + parsePlotData() + } + + }); + } + }); + + } + + function parsePlotData(){ + console.log("Ngspice netlist executed successfully "+fileName); + // console.log("Allv :"+plot_allv_file) + //socket.emit('serverMessage','Ngspice netlist executed successfully: '); + //var analysisInfo = grep('.tran|.dc|.ac', fileName); //Not reliable + var analysisInfo = getAnalysisInfo(fileName); + console.log("Analysis :"+analysisInfo) + var options = { + mode: 'json', + pythonPath: pyEnv, + pythonOptions: ['-u'], + scriptPath: scriptPath, + args: [analysisInfo, plot_allv_file, plot_alli_file] + }; + + PythonShell.run('parser.py', options, function (err, results) { + if (err) throw err; + // results is an array consisting of messages collected during execution + // console.log('results: %j', results); + var resultString = results[0]; + // console.log(resultString); + //Emitting Data Points to client + socket.emit('plotData',resultString); + + }); + } + + function getSocketID(socket){ + socketID = socket.id; + //Removing first two char i.e '/#' from socket id + socketID = socketID.substring(2); + console.log("Return :"+socketID) + return socketID; + } + + function deleteNetlistFile(fileName){ + console.log("Delete File "+fileName) + fs.unlink(fileName, function(err){ + if (err) return console.log("Error while deleting ngspice file :"+err); + console.log("success"); + }); + + } + + function getAnalysisInfo(fileName){ + var analysisType; + fs.readFileSync(fileName).toString().split('\n').forEach(function (line) { + line = line.trim(); + if(line.startsWith(".ac")||line.startsWith(".tran")||line.startsWith(".dc")){ + analysisType = line; + } + + }); + return analysisType; + } + + }); + + app.use('/',router); +}
\ No newline at end of file |