X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=processor.py;h=314f4c5a8f6c6aa67436638080e5ccfa0bf698cd;hb=d223e00705d7b12d833490a345907dae0ae460c4;hp=40054082f3b24eacdeefa6aade193be4a9e2a1e7;hpb=ec5f0c1796f754a1831c48daadae4c24b81d430b;p=electrum-server.git diff --git a/processor.py b/processor.py index 4005408..314f4c5 100644 --- a/processor.py +++ b/processor.py @@ -13,14 +13,24 @@ def timestr(): return time.strftime("[%d/%m/%Y-%H:%M:%S]") +print_lock = threading.Lock() +def print_log(*args): + args = [str(item) for item in args] + with print_lock: + sys.stderr.write(timestr() + " " + " ".join(args) + "\n") + sys.stderr.flush() + + + class Shared: - def __init__(self): + def __init__(self, config): self.lock = threading.Lock() self._stopped = False + self.config = config def stop(self): - print "Stopping Stratum" + print_log( "Stopping Stratum" ) with self.lock: self._stopped = True @@ -35,20 +45,34 @@ class Processor(threading.Thread): threading.Thread.__init__(self) self.daemon = True self.dispatcher = None + self.queue = queue.Queue() def process(self, request): pass + def add_request(self, request): + self.queue.put(request) + def push_response(self, response): - print "response", response + #print "response", response self.dispatcher.request_dispatcher.push_response(response) + def run(self): + while not self.shared.stopped(): + request = self.queue.get(10000000000) + try: + self.process(request) + except: + traceback.print_exc(file=sys.stdout) + + print_log( "processor terminating") + class Dispatcher: - def __init__(self): - self.shared = Shared() + def __init__(self, config): + self.shared = Shared(config) self.request_dispatcher = RequestDispatcher(self.shared) self.request_dispatcher.start() self.response_dispatcher = \ @@ -89,6 +113,11 @@ class RequestDispatcher(threading.Thread): def pop_request(self): return self.request_queue.get() + def get_session_by_address(self, address): + for x in self.sessions: + if x.address == address: + return x + def get_session_id(self, internal_id): with self.lock: return self.internal_ids.pop(internal_id) @@ -105,39 +134,56 @@ class RequestDispatcher(threading.Thread): raise TypeError("self.shared not set in Processor") while not self.shared.stopped(): session, request = self.pop_request() - self.process(session, request) + try: + self.do_dispatch(session, request) + except: + traceback.print_exc(file=sys.stdout) + self.stop() def stop(self): pass - def process(self, session, request): + def do_dispatch(self, session, request): + """ dispatch request to the relevant processor """ + method = request['method'] params = request.get('params',[]) - suffix = method.split('.')[-1] - if suffix == 'subscribe': - session.subscribe_to_service(method, params) + + if session is not None: + is_new = session.protocol_version >= 0.5 + if suffix == 'subscribe': + session.subscribe_to_service(method, params) # store session and id locally request['id'] = self.store_session_id(session, request['id']) - # dispatch request to the relevant module.. prefix = request['method'].split('.')[0] try: p = self.processors[prefix] except: - print "error: no processor for", prefix + print_log( "error: no processor for", prefix) return - try: - p.process(request) - except: - traceback.print_exc(file=sys.stdout) + + p.add_request(request) if method in ['server.version']: session.version = params[0] + try: + session.protocol_version = float(params[1]) + except: + pass + #if session.protocol_version < 0.6: + # print_log("stopping session from old client", session.protocol_version) + # session.stop() + + def get_sessions(self): + with self.lock: + r = self.sessions[:] + return r def add_session(self, session): with self.lock: @@ -164,20 +210,24 @@ class Session: self.subscriptions = [] self.address = '' self.name = '' - #threading.Timer(2, self.info).start() + self.version = 'unknown' + self.protocol_version = 0. + self.time = time.time() + threading.Timer(2, self.info).start() # Debugging method. Doesn't need to be threadsafe. def info(self): for sub in self.subscriptions: - print sub - method, params = sub + #print sub + method = sub[0] if method == 'blockchain.address.subscribe': - addr = params[0] + addr = sub[1] break else: addr = None - print (timestr(), self.name, self.address, addr, - len(self.subscriptions), self.version) + + if self.subscriptions: + print_log( "%4s"%self.name, "%15s"%self.address, "%35s"%addr, "%3d"%len(self.subscriptions), self.version ) def stopped(self): with self.lock: @@ -186,14 +236,17 @@ class Session: def subscribe_to_service(self, method, params): subdesc = self.build_subdesc(method, params) with self.lock: - self.subscriptions.append(subdesc) + if subdesc is not None: + self.subscriptions.append(subdesc) # subdesc = A subscription description @staticmethod def build_subdesc(method, params): if method == "blockchain.numblocks.subscribe": return method, - elif method == "blockchain.address.get_history": + elif method == "blockchain.headers.subscribe": + return method, + elif method in ["blockchain.address.subscribe"]: if not params: return None else: @@ -208,9 +261,9 @@ class Session: class ResponseDispatcher(threading.Thread): - def __init__(self, shared, processor): + def __init__(self, shared, request_dispatcher): self.shared = shared - self.processor = processor + self.request_dispatcher = request_dispatcher threading.Thread.__init__(self) self.daemon = True @@ -219,31 +272,42 @@ class ResponseDispatcher(threading.Thread): self.update() def update(self): - response = self.processor.pop_response() + response = self.request_dispatcher.pop_response() #print "pop response", response internal_id = response.get('id') method = response.get('method') params = response.get('params') # A notification - if internal_id is None and method is not None and params is not None: - self.notification(method, params, response) + if internal_id is None: # and method is not None and params is not None: + found = self.notification(method, params, response) + if not found and method == 'blockchain.address.subscribe': + params2 = [self.shared.config.get('server','password')] + params + self.request_dispatcher.push_request(None,{'method':method.replace('.subscribe', '.unsubscribe'), 'params':params2, 'id':None}) + # A response - elif internal_id is not None and method is None and params is None: + elif internal_id is not None: self.send_response(internal_id, response) else: - print "no method", response + print_log( "no method", response) def notification(self, method, params, response): subdesc = Session.build_subdesc(method, params) - for session in self.processor.sessions: + found = False + for session in self.request_dispatcher.sessions: if session.stopped(): continue if session.contains_subscription(subdesc): session.send_response(response) + found = True + # if not found: print_log( "no subscriber for", subdesc) + return found def send_response(self, internal_id, response): - session, message_id = self.processor.get_session_id(internal_id) - response['id'] = message_id - session.send_response(response) + session, message_id = self.request_dispatcher.get_session_id(internal_id) + if session: + response['id'] = message_id + session.send_response(response) + #else: + # print_log( "send_response: no session", message_id, internal_id, response )