added JSON and WS client, re organized tests, new classes for easier api tests

1 files changed, 112 insertions, 0 deletions

diff --git a/module/remote/wsbackend/AsyncHandler.py b/module/remote/wsbackend/AsyncHandler.py
new file mode 100644
index 000000000..a8382a211
--- /dev/null
+++ b/module/remote/wsbackend/AsyncHandler.py
@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+###############################################################################
+#   Copyright(c) 2008-2012 pyLoad Team
+#   http://www.pyload.org
+#
+#   This file is part of pyLoad.
+#   pyLoad is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU Affero General Public License as
+#   published by the Free Software Foundation, either version 3 of the
+#   License, or (at your option) any later version.
+#
+#   Subjected to the terms and conditions in LICENSE
+#
+#   @author: RaNaN
+###############################################################################
+
+from Queue import Queue
+from threading import Lock
+
+from mod_pywebsocket.msgutil import receive_message
+
+from module.utils import lock
+from AbstractHandler import AbstractHandler
+
+class Mode:
+    STANDBY = 1
+    RUNNING = 2
+
+class AsyncHandler(AbstractHandler):
+    """
+        Handler that provides asynchronous information about server status, running downloads, occurred events.
+
+        Progress information are continuous and will be pushed in a fixed interval when available.
+        After connect you have to login and can set the interval by sending the json command ["setInterval", xy].
+        To start receiving updates call "start", afterwards no more incoming messages will be accept!
+    """
+
+    PATH = "/async"
+    COMMAND = "start"
+
+    PROGRESS_INTERVAL = 1
+    STATUS_INTERVAL  = 60
+
+    def __init__(self, api):
+        AbstractHandler.__init__(self, api)
+        self.clients = []
+        self.lock = Lock()
+
+    @lock
+    def on_open(self, req):
+        req.queue = Queue()
+        req.interval = self.PROGRESS_INTERVAL
+        req.mode = Mode.STANDBY
+        self.clients.append(req)
+
+    @lock
+    def on_close(self, req):
+        self.clients.remove(req)
+
+    @lock
+    def add_event(self, event):
+        for req in self.clients:
+            req.queue.put(event)
+
+    def transfer_data(self, req):
+        while True:
+
+            if req.mode == Mode.STANDBY:
+                try:
+                    line = receive_message(req)
+                except TypeError, e: # connection closed
+                    self.log.debug("WS Error: %s" % e)
+                    return self.passive_closing_handshake(req)
+
+                self.mode_standby(line, req)
+            else:
+                if self.mode_running(req):
+                    return self.passive_closing_handshake(req)
+
+    def mode_standby(self, msg, req):
+        """ accepts calls  before pushing updates """
+        func, args, kwargs = self.handle_call(msg, req)
+        if not func:
+            return # Result was already sent
+
+        if func == 'login':
+            user =  self.api.checkAuth(*args, **kwargs)
+            if user:
+                req.api = self.api.withUserContext(user.uid)
+                return self.send_result(req, self.OK, True)
+
+            else:
+                return self.send_result(req, self.FORBIDDEN, "Forbidden")
+
+        elif func == 'logout':
+            req.api = None
+            return self.send_result(req, self.OK, True)
+
+        else:
+            if not req.api:
+                return self.send_result(req, self.FORBIDDEN, "Forbidden")
+            if func == "setInterval":
+                req.interval = args[0]
+            elif func == self.COMMAND:
+                req.mode = Mode.RUNNING
+
+
+    def mode_running(self, req):
+        """  Listen for events, closes socket when returning True """
+        self.send_result(req, "update", "test")
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