Jxck/manifest.json

## manifest.json
{
  "manifest_version": 2,
  "name": "Chrome Socket API Server",
  "description": "listen & accept for socket",
  "version": "0.1",
  "app": {
    "background": {
      "scripts": ["server.js"]
    }
  },
  "permissions": [
    "experimental",
    {
      "socket": [ "tcp-listen" ]
    }
  ]
}

## server.js
function string2ArrayBuffer(string, callback) {
  var blob = new Blob([string]);
  var f = new FileReader();
  f.onload = function(e) {
    callback(e.target.result);
  };
  f.readAsArrayBuffer(blob);
}

function arrayBuffer2String(buf, callback) {
  var blob = new Blob([new Uint8Array(buf)]);
  var f = new FileReader();
  f.onload = function(e) {
    callback(e.target.result);
  };
  f.readAsText(blob);
}

var responce = function(msg) {
  var sep = '\r\n';

  var body = [
    '<!DOCTYPE html>',
    '<html>',
    ' <head>',
    '   <title>Chrome Socket API Server</title>',
    ' </head>',
    '<body>',
    ' <h1>' + msg + '</h1>',
    '</body>',
    '</html>'
  ].join(sep);

  var header = [
    'HTTP/1.1 200 OK',
    'Server: chrome24',
    'Content-Length: ' + body.length,
    'Connection: Close',
    'Content-Type: text/html'
  ].join(sep);

  return header + sep + sep + body;
};

const socket = chrome.socket;
socket.create('tcp', {}, function onServerSocketCreate(socketInfo) {
  var socketId = socketInfo.socketId
    , address = '127.0.0.1'
    , port = 3000;


  socket.listen(socketId, address, port, function onListen(result) {
    console.assert(0 === result); // listen failed
    socket.getInfo(socketId, function(info) {
      console.log('server listening on http://localhost:' + info.localPort);
      // accept only one time
      socket.accept(socketId, function onServerSocketAccept(acceptInfo) {
        console.assert(0 === acceptInfo.resultCode);
        var acceptedSocketId = acceptInfo.socketId;
        console.log('acceptedSocketID', acceptedSocketId);

        socket.read(acceptedSocketId, function onRead(readInfo) {
          arrayBuffer2String(readInfo.data, function(str) {
            console.log('readInfo.data', str);
          });

          var responce_str = responce('hello');
          console.log(responce_str);

          string2ArrayBuffer(responce_str, function(buf) {
            // write to socket
            socket.write(acceptedSocketId, buf, function() {
              // dosen't work
              // socket.destroy(acceptedSocketId);
            });
          });
        });
      });
    });
  });
});
	{
	"manifest_version": 2,
	"name": "Chrome Socket API Server",
	"description": "listen & accept for socket",
	"version": "0.1",
	"app": {
	"background": {
	"scripts": ["server.js"]
	}
	},
	"permissions": [
	"experimental",
	{
	"socket": [ "tcp-listen" ]
	}
	]
	}
	function string2ArrayBuffer(string, callback) {
	var blob = new Blob([string]);
	var f = new FileReader();
	f.onload = function(e) {
	callback(e.target.result);
	};
	f.readAsArrayBuffer(blob);
	}

	function arrayBuffer2String(buf, callback) {
	var blob = new Blob([new Uint8Array(buf)]);
	var f = new FileReader();
	f.onload = function(e) {
	callback(e.target.result);
	};
	f.readAsText(blob);
	}

	var responce = function(msg) {
	var sep = '\r\n';

	var body = [
	'<!DOCTYPE html>',
	'<html>',
	' <head>',
	' <title>Chrome Socket API Server</title>',
	' </head>',
	'<body>',
	' <h1>' + msg + '</h1>',
	'</body>',
	'</html>'
	].join(sep);

	var header = [
	'HTTP/1.1 200 OK',
	'Server: chrome24',
	'Content-Length: ' + body.length,
	'Connection: Close',
	'Content-Type: text/html'
	].join(sep);

	return header + sep + sep + body;
	};

	const socket = chrome.socket;
	socket.create('tcp', {}, function onServerSocketCreate(socketInfo) {
	var socketId = socketInfo.socketId
	, address = '127.0.0.1'
	, port = 3000;


	socket.listen(socketId, address, port, function onListen(result) {
	console.assert(0 === result); // listen failed
	socket.getInfo(socketId, function(info) {
	console.log('server listening on http://localhost:' + info.localPort);
	// accept only one time
	socket.accept(socketId, function onServerSocketAccept(acceptInfo) {
	console.assert(0 === acceptInfo.resultCode);
	var acceptedSocketId = acceptInfo.socketId;
	console.log('acceptedSocketID', acceptedSocketId);

	socket.read(acceptedSocketId, function onRead(readInfo) {
	arrayBuffer2String(readInfo.data, function(str) {
	console.log('readInfo.data', str);
	});

	var responce_str = responce('hello');
	console.log(responce_str);

	string2ArrayBuffer(responce_str, function(buf) {
	// write to socket
	socket.write(acceptedSocketId, buf, function() {
	// dosen't work
	// socket.destroy(acceptedSocketId);
	});
	});
	});
	});
	});
	});
	});