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electrum-bitcoinprivate
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Make is_connected into a member function. No change in logic.

This commit is contained in:
Neil Booth 2015-05-05 14:53:07 +09:00
parent 5e2e82d516
commit 9cf2eff16b
3 changed files with 25 additions and 26 deletions
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33
lib/interface.py
View File

@ -37,10 +37,10 @@ def Interface(server, config = None):
exposed API is:
- Inherits everything from threading.Thread.
- Member functions start(), send_request(), stop()
- Member variables is_connected, server.
- Member functions start(), send_request(), stop(), is_connected()
- Member variable server.
"is_connected" is currently racy. "server" is constant for the object's lifetime and hence
"is_connected()" is currently racy. "server" is constant for the object's lifetime and hence
synchronization is unnecessary.
"""
host, port, protocol = server.split(':')
@ -56,7 +56,7 @@ class TcpInterface(threading.Thread):
self.daemon = True
self.config = config if config is not None else SimpleConfig()
self.lock = threading.Lock()
self.is_connected = False
self.connected = False
self.debug = False # dump network messages. can be changed at runtime using the console
self.message_id = 0
self.unanswered_requests = {}
@ -260,16 +260,19 @@ class TcpInterface(threading.Thread):
self.print_error("-->", r)
except socket.error, e:
self.print_error("socked error:", e)
self.is_connected = False
self.connected = False
return
self.unanswered_requests[self.message_id] = method, params, _id, queue
self.message_id += 1
def is_connected(self):
return self.connected
def stop(self):
if self.is_connected and self.protocol in 'st' and self.s:
if self.connected and self.protocol in 'st' and self.s:
self.s.shutdown(socket.SHUT_RDWR)
self.s.close()
self.is_connected = False
self.connected = False
self.print_error("stopped")
def start(self, response_queue):
@ -281,23 +284,23 @@ class TcpInterface(threading.Thread):
if self.s:
self.pipe = util.SocketPipe(self.s)
self.s.settimeout(2)
self.is_connected = True
self.connected = True
self.print_error("connected")
self.change_status()
if not self.is_connected:
if not self.connected:
return
# ping timer
ping_time = 0
# request timer
request_time = False
while self.is_connected:
while self.connected:
# ping the server with server.version
if time.time() - ping_time > 60:
if self.is_ping:
self.print_error("ping timeout")
self.is_connected = False
self.connected = False
break
else:
self.send_request({'method':'server.version', 'params':[ELECTRUM_VERSION, PROTOCOL_VERSION]})
@ -313,11 +316,11 @@ class TcpInterface(threading.Thread):
else:
if time.time() - request_time > 10:
self.print_error("request timeout", len(self.unanswered_requests))
self.is_connected = False
self.connected = False
break
continue
if response is None:
self.is_connected = False
self.connected = False
break
if request_time is not False:
self.print_error("stopping timer")
@ -326,16 +329,12 @@ class TcpInterface(threading.Thread):
self.change_status()
def change_status(self):
# print_error( "change status", self.server, self.is_connected)
self.response_queue.put((self, None))
def check_cert(host, cert):
try:
x = x509.X509()

14
lib/network.py
View File

@ -206,7 +206,7 @@ class Network(util.DaemonThread):
self.notify('status')
def is_connected(self):
return self.interface and self.interface.is_connected
return self.interface and self.interface.is_connected()
def send_subscriptions(self):
for addr in self.addresses:
@ -322,7 +322,7 @@ class Network(util.DaemonThread):
return
if auto_connect:
if not self.interface.is_connected:
if not self.interface.is_connected():
self.switch_to_random_interface()
else:
if self.server_is_lagging():
@ -335,7 +335,7 @@ class Network(util.DaemonThread):
def switch_to_random_interface(self):
while self.interfaces:
i = random.choice(self.interfaces.values())
if i.is_connected:
if i.is_connected():
self.switch_to_interface(i)
break
else:
@ -356,14 +356,14 @@ class Network(util.DaemonThread):
def set_server(self, server):
if self.default_server == server and self.interface.is_connected:
if self.default_server == server and self.interface.is_connected():
return
if self.protocol != deserialize_server(server)[2]:
return
# stop the interface in order to terminate subscriptions
if self.interface.is_connected:
if self.interface.is_connected():
self.stop_interface()
# notify gui
@ -474,7 +474,7 @@ class Network(util.DaemonThread):
self.print_error('network: retrying connections')
self.disconnected_servers = set([])
nodes_retry_time = now
if not self.interface.is_connected:
if not self.interface.is_connected():
if self.config.get('auto_cycle'):
if self.interfaces:
self.switch_to_random_interface()
@ -500,7 +500,7 @@ class Network(util.DaemonThread):
if i.server in self.pending_servers:
self.pending_servers.remove(i.server)
if i.is_connected:
if i.is_connected():
self.add_interface(i)
self.add_recent_server(i)
i.send_request({'method':'blockchain.headers.subscribe','params':[]})

4
scripts/util.py
View File

@ -10,7 +10,7 @@ def get_peers():
q = Queue.Queue()
interface.start(q)
i, r = q.get()
if not interface.is_connected:
if not interface.is_connected():
raise BaseException("not connected")
# 2. get list of peers
interface.send_request({'id':0, 'method':'server.peers.subscribe','params':[]})
@ -41,7 +41,7 @@ def send_request(peers, request):
continue
if i.server in peers:
peers.remove(i.server)
if i.is_connected:
if i.is_connected():
reached_servers.append(i)
else:
print "Connection failed:", i.server