self.sessions = []
threading.Thread.__init__(self)
self.daemon = True
+ self.request_queue = queue.Queue()
+ self.response_queue = queue.Queue()
def add_session(self, session):
with self.lock:
self.sessions.append(session)
+ def push_response(self, session, item):
+ self.response_queue.put((session,item))
+
+ def pop_response(self):
+ return self.response_queue.get()
+
+ def push_request(self, session, item):
+ self.request_queue.put((session,item))
+
+ def pop_request(self):
+ return self.request_queue.get()
+
def run(self):
if self.shared is None:
raise TypeError("self.shared not set in Processor")
# If session is still alive then re-add it back
# to our internal register
self.add_session(session)
- self.process(session)
+
+ session, request = self.pop_request()
+ self.process(session, request)
+
self.stop()
def stop(self):
pass
- def process(self, session):
- request = session.pop_request()
+ def process(self, session, request):
print "New request", request
- # Execute and when ready, you call
- # session.push_response(response)
+ # Do stuff...
+ # response = request
+ # When ready, you call
+ # self.push_response(session,response)
class Session:
self.address = address
self._stopped = False
self.lock = threading.Lock()
-
- self.request_queue = queue.Queue()
- self.response_queue = queue.Queue()
self.numblocks_sub = None
self.addresses_sub = {}
else:
return self._connection
- def push_request(self, item):
- self.request_queue.put(item)
-
- def pop_request(self):
- return self.request_queue.get()
-
- def push_response(self, item):
- self.response_queue.put(item)
-
- def pop_response(self):
- return self.response_queue.get()
-
def subscribe_to_numblocks(self,message_id):
with self.lock:
self.numblocks_sub = message_id
self.addresses_sub[address] = message_id,status
-class TcpClientResponder(threading.Thread):
+class TcpResponder(threading.Thread):
- def __init__(self, shared, session):
+ def __init__(self, shared, processor):
self.shared = shared
- self.session = session
+ self.processor = processor
threading.Thread.__init__(self)
def run(self):
- while not self.shared.stopped() or self.session.stopped():
- response = self.session.pop_response()
+ while not self.shared.stopped():
+ session,response = self.processor.pop_response()
raw_response = json.dumps(response)
# Possible race condition here by having session
# close connection?
# I assume Python connections are thread safe interfaces
- connection = self.session.connection()
+ connection = session.connection()
try:
connection.send(raw_response + "\n")
except:
- self.session.stop()
+ session.stop()
class TcpClientRequestor(threading.Thread):
- def __init__(self, shared, session):
+ def __init__(self, shared, processor, session):
self.shared = shared
+ self.processor = processor
self.message = ""
self.session = session
threading.Thread.__init__(self)
try:
command = json.loads(raw_command)
except:
- self.session.push_response(
+ self.processor.push_response(self.session,
{"error": "bad JSON", "request": raw_command})
return True
method = command['method']
except KeyError:
# Return an error JSON in response.
- self.session.push_response(
+ self.processor.push_response(self.session,
{"error": "syntax error", "request": raw_command})
else:
- self.session.push_request(command)
+ self.processor.push_request(self.session,command)
return True
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((self.host, self.port))
sock.listen(1)
+ responder = TcpResponder(self.shared, self.processor)
+ responder.start()
while not self.shared.stopped():
session = Session(*sock.accept())
- client_req = TcpClientRequestor(self.shared, session)
+ client_req = TcpClientRequestor(self.shared, self.processor, session)
client_req.start()
- client_res = TcpClientResponder(self.shared, session)
- client_res.start()
self.processor.add_session(session)
class Shared:
processor.shared = shared
processor.start()
# Create various transports we need
- transports = TcpServer(shared, processor, "176.31.24.241",50001),
+ transports = TcpServer(shared, processor, "ecdsa.org", 50002),
for server in transports:
server.start()
while not shared.stopped():