9 from utils import random_string, timestr, print_log
14 def __init__(self, config):
15 self.lock = threading.Lock()
20 print_log("Stopping Stratum")
29 class Processor(threading.Thread):
32 threading.Thread.__init__(self)
34 self.dispatcher = None
35 self.queue = queue.Queue()
37 def process(self, session, request):
40 def add_request(self, session, request):
41 self.queue.put((session, request))
43 def push_response(self, session, response):
44 #print "response", response
45 self.dispatcher.request_dispatcher.push_response(session, response)
51 while not self.shared.stopped():
53 request, session = self.queue.get(True, timeout=1)
57 self.process(request, session)
59 traceback.print_exc(file=sys.stdout)
66 def __init__(self, config):
67 self.shared = Shared(config)
68 self.request_dispatcher = RequestDispatcher(self.shared)
69 self.request_dispatcher.start()
70 self.response_dispatcher = \
71 ResponseDispatcher(self.shared, self.request_dispatcher)
72 self.response_dispatcher.start()
74 def register(self, prefix, processor):
75 processor.dispatcher = self
76 processor.shared = self.shared
78 self.request_dispatcher.processors[prefix] = processor
81 class RequestDispatcher(threading.Thread):
83 def __init__(self, shared):
85 threading.Thread.__init__(self)
87 self.request_queue = queue.Queue()
88 self.response_queue = queue.Queue()
89 self.lock = threading.Lock()
90 self.idlock = threading.Lock()
94 def push_response(self, session, item):
95 self.response_queue.put((session, item))
97 def pop_response(self):
98 return self.response_queue.get()
100 def push_request(self, session, item):
101 self.request_queue.put((session, item))
103 def pop_request(self):
104 return self.request_queue.get()
106 def get_session_by_address(self, address):
107 for x in self.sessions.values():
108 if x.address == address:
112 if self.shared is None:
113 raise TypeError("self.shared not set in Processor")
117 while not self.shared.stopped():
118 session, request = self.pop_request()
120 self.do_dispatch(session, request)
122 traceback.print_exc(file=sys.stdout)
124 if time.time() - lastgc > 60.0:
125 self.collect_garbage()
133 def do_dispatch(self, session, request):
134 """ dispatch request to the relevant processor """
136 method = request['method']
137 params = request.get('params', [])
138 suffix = method.split('.')[-1]
140 if session is not None:
141 if suffix == 'subscribe':
142 session.subscribe_to_service(method, params)
144 prefix = request['method'].split('.')[0]
146 p = self.processors[prefix]
148 print_log("error: no processor for", prefix)
151 p.add_request(session, request)
153 if method in ['server.version']:
155 session.version = params[0]
156 session.protocol_version = float(params[1])
161 def get_sessions(self):
163 r = self.sessions.values()
166 def add_session(self, session):
169 self.sessions[key] = session
171 def remove_session(self, session):
174 self.sessions.pop(key)
176 def collect_garbage(self):
178 for session in self.sessions.values():
179 if (now - session.time) > session.timeout:
186 def __init__(self, dispatcher):
187 self.dispatcher = dispatcher
188 self.bp = self.dispatcher.processors['blockchain']
189 self._stopped = False
190 self.lock = threading.Lock()
191 self.subscriptions = []
194 self.version = 'unknown'
195 self.protocol_version = 0.
196 self.time = time.time()
197 threading.Timer(2, self.info).start()
201 return self.name + self.address
204 # Debugging method. Doesn't need to be threadsafe.
206 for sub in self.subscriptions:
209 if method == 'blockchain.address.subscribe':
215 if self.subscriptions:
216 print_log("%4s" % self.name,
217 "%15s" % self.address,
219 "%3d" % len(self.subscriptions),
229 self.dispatcher.remove_session(self)
230 self.stop_subscriptions()
242 def subscribe_to_service(self, method, params):
246 if (method, params) not in self.subscriptions:
247 self.subscriptions.append((method,params))
248 self.bp.do_subscribe(method, params, self)
251 def stop_subscriptions(self):
253 s = self.subscriptions[:]
254 for method, params in s:
255 self.bp.do_unsubscribe(method, params, self)
257 self.subscriptions = []
260 class ResponseDispatcher(threading.Thread):
262 def __init__(self, shared, request_dispatcher):
264 self.request_dispatcher = request_dispatcher
265 threading.Thread.__init__(self)
269 while not self.shared.stopped():
270 session, response = self.request_dispatcher.pop_response()
271 session.send_response(response)