mirror of
https://github.com/thiagoralves/OpenPLC.git
synced 2025-05-08 16:19:07 +08:00
176 lines
3.7 KiB
JavaScript
176 lines
3.7 KiB
JavaScript
var express = require("express");
|
|
var multer = require('multer');
|
|
var app = express();
|
|
var upload = multer({ dest: './ladder_files/'});
|
|
var spawn = require('child_process').spawn;
|
|
var openplc = spawn('./OPLC_starter');
|
|
|
|
var plcRunning = true;
|
|
|
|
app.use(multer({ dest: './ladder_files/',
|
|
rename: function (fieldname, filename)
|
|
{
|
|
return filename;
|
|
},
|
|
onFileUploadStart: function (file)
|
|
{
|
|
console.log(file.originalname + ' is starting ...');
|
|
},
|
|
onFileUploadComplete: function (file)
|
|
{
|
|
console.log(file.fieldname + ' uploaded to ' + file.path);
|
|
console.log('finishing old program...');
|
|
openplc.kill('SIGTERM');
|
|
plcRunning = false;
|
|
compileLadder(file.originalname);
|
|
}
|
|
}));
|
|
|
|
app.get('/',function(req,res)
|
|
{
|
|
showMainPage(req,res);
|
|
});
|
|
|
|
app.get('/run',function(req,res)
|
|
{
|
|
if (plcRunning == false)
|
|
{
|
|
console.log('Starting OpenPLC Software...');
|
|
openplc = spawn('./OPLC_starter');
|
|
plcRunning = true;
|
|
}
|
|
showMainPage(req,res);
|
|
});
|
|
|
|
app.get('/stop',function(req,res)
|
|
{
|
|
if (plcRunning == true)
|
|
{
|
|
console.log('Stopping OpenPLC Software...');
|
|
openplc.kill('SIGTERM');
|
|
plcRunning = false;
|
|
}
|
|
showMainPage(req,res);
|
|
});
|
|
|
|
app.post('/api/upload',function(req,res)
|
|
{
|
|
upload(req,res,function(err)
|
|
{
|
|
if(err)
|
|
{
|
|
return res.end("Error uploading file.");
|
|
}
|
|
showMainPage(req,res);
|
|
});
|
|
});
|
|
|
|
app.listen(8080,function()
|
|
{
|
|
console.log("Working on port 8080");
|
|
});
|
|
|
|
function showMainPage(req,res)
|
|
{
|
|
var htmlString = '\
|
|
<!DOCTYPE html>\
|
|
<html>\
|
|
<head>\
|
|
<style>\
|
|
body {background-color:lightgray}\
|
|
h1 {color:Black}\
|
|
p {color:black}\
|
|
</style>\
|
|
</head>\
|
|
<body>\
|
|
<center><h1>OpenPLC Server</h1></center>';
|
|
if (plcRunning == true)
|
|
{
|
|
htmlString += '<p>Current PLC Status: <font color = "green">Running</font></p>';
|
|
}
|
|
else
|
|
{
|
|
htmlString += '<p>Current PLC Status: <font color = "red">Stopped</font></p>';
|
|
}
|
|
htmlString += '\
|
|
<button type="button" onclick="location.href=\'run\';">Run</button>\
|
|
<button type="button" onclick="location.href=\'stop\';">Stop</button>\
|
|
<br><br><br>\
|
|
<p>Change Ladder diagram:</p>\
|
|
<form id = "uploadForm"\
|
|
enctype = "multipart/form-data"\
|
|
action = "/api/upload"\
|
|
method = "post">\
|
|
<input type="file" name="ladderDiagram" accept=".ld">\
|
|
<input type="submit" value="Upload Ladder" name="submit">\
|
|
</form>\
|
|
</body>\
|
|
</html>';
|
|
|
|
res.send(htmlString);
|
|
}
|
|
|
|
function compileLadder(fileName)
|
|
{
|
|
console.log('compiling ladder diagram...');
|
|
var compiler = spawn('./OPLC_Compiler', ['./ladder_files/' + fileName]);
|
|
|
|
compiler.stdout.on('data', function(data)
|
|
{
|
|
console.log('OPLC_Compiler: ' + data);
|
|
});
|
|
compiler.on('close', function(code)
|
|
{
|
|
if (code != 0)
|
|
{
|
|
console.log('Error compiling ladder diagram');
|
|
}
|
|
else
|
|
{
|
|
console.log('OPLC_Compiler exit code: ' + code);
|
|
moveFiles();
|
|
}
|
|
});
|
|
}
|
|
|
|
function moveFiles()
|
|
{
|
|
console.log('moving files...');
|
|
var copier = spawn('mv', ['-f', 'ladder.cpp', './core/ladder.cpp']);
|
|
copier.on('close', function(code)
|
|
{
|
|
if (code != 0)
|
|
{
|
|
console.log('error moving files');
|
|
}
|
|
else
|
|
{
|
|
compileOpenPLC();
|
|
}
|
|
});
|
|
}
|
|
|
|
function compileOpenPLC()
|
|
{
|
|
console.log('compiling OpenPLC...');
|
|
|
|
var exec = require('child_process').exec;
|
|
exec('g++ -pthread ./core/*.cpp -o ./core/openplc', function(error, stdout, stderr)
|
|
{
|
|
console.log('stdout: ' + stdout);
|
|
console.log('stderr: ' + stderr);
|
|
if (error !== null)
|
|
{
|
|
console.log('exec error: ' + error);
|
|
console.log('error compiling OpenPLC. Please check your ladder diagram');
|
|
}
|
|
else
|
|
{
|
|
console.log('compiled without errors');
|
|
console.log('Starting OpenPLC Software...');
|
|
openplc = spawn('./OPLC_starter');
|
|
plcRunning = true;
|
|
}
|
|
});
|
|
}
|