firefox扩展javascript中有nsiClientSocket吗？

Question

如何从firefox扩展中的javascript连接到端口？我能够打开端口并监听(服务器端套接字),但我想要连接到服务器的客户端套接字(在java中打开的端口).

Answer 1

您使用nsISocketTransportService.createTransport().这样的事情应该有效:

var transport = Components.classes["@mozilla.org/network/socket-transport-service;1"]
                          .getService(Components.interfaces.nsISocketTransportService)
                          .createTransport(null, 0, host, port, null);
var stream = transport.openOutputStream(0, 0, 0);
var data = "test";
stream.write(data, data.length);
stream.close();

所有连接事件都是异步发生的,因此为了监听您需要调用的传输事件transport.setEventSink():

Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
transport.setEventSink({
  onTransportStatus: function(transport, status, progress, progressMax)
  {
    ...
  },
  QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsITransportEventSync])
}, Services.tm.currentThread);

供参考:nsITransportEventSink,nsITransportEventSink状态代码