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'use strict';
const common = require('../common');
const assert = require('assert');
const spawn = require('child_process').spawn;
const path = require('path');
const net = require('net');
var isDone = false;
var targetPath = path.resolve(common.fixturesDir, 'debug-target.js');
var child = spawn(process.execPath, ['--debug-brk=' + common.PORT, targetPath]);
child.stderr.on('data', function() {
child.emit('debug_start');
});
child.on('exit', function() {
assert(isDone);
console.log('ok');
});
child.once('debug_start', function() {
// delayed for some time until debug agent is ready
setTimeout(function() {
debug_client_connect();
}, 200);
});
function debug_client_connect() {
var msg = null;
var tmpBuf = '';
var conn = net.connect({port: common.PORT});
conn.setEncoding('utf8');
conn.on('data', function(data) {
tmpBuf += data;
parse();
});
function parse() {
if (!msg) {
msg = {
headers: null,
contentLength: 0
};
}
if (!msg.headers) {
var offset = tmpBuf.indexOf('\r\n\r\n');
if (offset < 0) return;
msg.headers = tmpBuf.substring(0, offset);
tmpBuf = tmpBuf.slice(offset + 4);
var matches = /Content-Length: (\d+)/.exec(msg.headers);
if (matches[1]) {
msg.contentLength = +(matches[1]);
}
}
if (msg.headers && Buffer.byteLength(tmpBuf) >= msg.contentLength) {
try {
var b = Buffer.from(tmpBuf);
var body = b.toString('utf8', 0, msg.contentLength);
tmpBuf = b.toString('utf8', msg.contentLength, b.length);
// get breakpoint list and check if it exists on line 0
if (!body.length) {
var req = JSON.stringify({'seq': 1, 'type': 'request',
'command': 'listbreakpoints'});
conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
return;
}
var obj = JSON.parse(body);
if (obj.type === 'response' && obj.command === 'listbreakpoints' &&
!obj.running) {
obj.body.breakpoints.forEach(function(bpoint) {
if (bpoint.line === 0) isDone = true;
});
}
var req = JSON.stringify({'seq': 100, 'type': 'request',
'command': 'disconnect'});
conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
} finally {
msg = null;
parse();
}
}
}
}
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