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):
self._stopped = False
def stop(self):
- print "Stopping Stratum"
+ print_log( "Stopping Stratum" )
with self.lock:
self._stopped = True
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
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 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)
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:
self.address = ''
self.name = ''
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.
break
else:
addr = None
- print timestr(), self.name, self.address, addr,\
- len(self.subscriptions), self.version
+
+ if self.subscriptions:
+ print_log( "%4s"%self.name, "%14s"%self.address, "%35s"%addr, "%3d"%len(self.subscriptions), self.version )
def stopped(self):
with self.lock:
def build_subdesc(method, params):
if method == "blockchain.numblocks.subscribe":
return method,
- elif method == "blockchain.address.subscribe":
+ elif method == "blockchain.headers.subscribe":
+ return method,
+ elif method in ["blockchain.address.subscribe"]:
if not params:
return None
else:
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
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')
# A notification
if internal_id is None: # and method is not None and params is not None:
- self.notification(method, params, response)
+ found = self.notification(method, params, response)
+ if not found and method == 'blockchain.address.subscribe':
+ self.request_dispatcher.push_request(None,{'method':method.replace('.subscribe', '.unsubscribe'), 'params':params, 'id':None})
+ pass
# 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 "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 )