11 self.lock = threading.Lock()
15 print "Stopping Stratum"
24 class Processor(threading.Thread):
27 threading.Thread.__init__(self)
29 self.dispatcher = None
31 def process(self, request):
34 def push_response(self, response):
35 self.dispatcher.request_dispatcher.push_response(response)
42 self.shared = Shared()
43 self.request_dispatcher = RequestDispatcher(self.shared)
44 self.request_dispatcher.start()
45 self.response_dispatcher = ResponseDispatcher(self.shared, self.request_dispatcher)
46 self.response_dispatcher.start()
48 def register(self, prefix, processor):
49 processor.dispatcher = self
50 processor.shared = self.shared
52 self.request_dispatcher.processors[prefix] = processor
56 class RequestDispatcher(threading.Thread):
58 def __init__(self, shared):
60 threading.Thread.__init__(self)
62 self.request_queue = queue.Queue()
63 self.response_queue = queue.Queue()
64 self.internal_ids = {}
66 self.lock = threading.Lock()
70 def push_response(self, item):
71 self.response_queue.put(item)
73 def pop_response(self):
74 return self.response_queue.get()
76 def push_request(self, session, item):
77 self.request_queue.put((session,item))
79 def pop_request(self):
80 return self.request_queue.get()
82 def get_session_id(self, internal_id):
84 return self.internal_ids.pop(internal_id)
86 def store_session_id(self, session, msgid):
88 self.internal_ids[self.internal_id] = session, msgid
94 if self.shared is None:
95 raise TypeError("self.shared not set in Processor")
96 while not self.shared.stopped():
97 session, request = self.pop_request()
98 self.process(session, request)
105 def process(self, session, request):
106 method = request['method']
107 params = request.get('params',[])
109 suffix = method.split('.')[-1]
110 if suffix == 'subscribe':
111 session.subscribe_to_service(method, params)
113 # store session and id locally
114 request['id'] = self.store_session_id(session, request['id'])
116 # dispatch request to the relevant module..
117 prefix = request['method'].split('.')[0]
119 p = self.processors[prefix]
121 print "error: no processor for", prefix
126 traceback.print_exc(file=sys.stdout)
129 def add_session(self, session):
131 self.sessions.append(session)
133 def collect_garbage(self):
134 # Deep copy entire sessions list and blank it
135 # This is done to minimise lock contention
137 sessions = self.sessions[:]
139 for session in sessions:
140 if not session.stopped():
141 # If session is still alive then re-add it back
142 # to our internal register
143 self.add_session(session)
149 self._stopped = False
150 self.lock = threading.Lock()
151 self.subscriptions = []
157 def subscribe_to_service(self, method, params):
159 self.subscriptions.append((method, params))
162 class ResponseDispatcher(threading.Thread):
164 def __init__(self, shared, processor):
166 self.processor = processor
167 threading.Thread.__init__(self)
171 while not self.shared.stopped():
172 response = self.processor.pop_response()
173 #print "pop response", response
174 internal_id = response.get('id')
175 params = response.get('params',[])
177 method = response['method']
179 print "no method", response
183 session, message_id = self.processor.get_session_id(internal_id)
184 response['id'] = message_id
185 session.send_response(response)
188 for session in self.processor.sessions:
189 if not session.stopped():
190 if (method,params) in session.subscriptions:
191 session.send_response(response)