wallet synchronizer thread
This commit is contained in:
ThomasV
@@ -17,8 +17,8 @@
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import random, socket, ast
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import thread, threading, traceback, sys, time, json, Queue
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import random, socket, ast, re
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import threading, traceback, sys, time, json, Queue
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DEFAULT_TIMEOUT = 5
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DEFAULT_SERVERS = ['ecdsa.org:50001:t'] # ['electrum.bitcoins.sk','ecdsa.org','electrum.novit.ro'] # list of default servers
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@@ -33,8 +33,10 @@ def old_to_new(s):
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return s
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class Interface:
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class Interface(threading.Thread):
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def __init__(self, host, port):
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threading.Thread.__init__(self)
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self.daemon = True
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self.host = host
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self.port = port
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@@ -98,7 +100,6 @@ class Interface:
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def start_session(self, addresses, version):
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#print "Starting new session: %s:%d"%(self.host,self.port)
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self.start()
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self.send([('server.version', [version]), ('server.banner',[]), ('blockchain.numblocks.subscribe',[]), ('server.peers.subscribe',[])])
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self.subscribe(addresses)
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@@ -106,13 +107,15 @@ class Interface:
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class PollingInterface(Interface):
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""" non-persistent connection. synchronous calls"""
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def __init__(self, host, port):
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Interface.__init__(self, host, port)
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self.session_id = None
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def get_history(self, address):
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self.send([('blockchain.address.get_history', [address] )])
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def poll(self):
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self.send([('session.poll', [])])
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pass
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#if is_new or wallet.remote_url:
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# self.was_updated = True
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# is_new = wallet.synchronize()
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@@ -122,10 +125,12 @@ class PollingInterface(Interface):
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#else:
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# return False
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def poll_thread(self):
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def run(self):
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self.is_connected = True
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while self.is_connected:
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try:
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self.poll()
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if self.session_id:
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self.poll()
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time.sleep(self.poll_interval)
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except socket.gaierror:
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break
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@@ -136,7 +141,7 @@ class PollingInterface(Interface):
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break
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self.is_connected = False
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self.responses.put(None)
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self.poke()
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@@ -148,7 +153,9 @@ class NativeInterface(PollingInterface):
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def start_session(self, addresses, version):
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self.send([('session.new', [ version, addresses ])] )
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self.send([('server.peers.subscribe',[])])
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thread.start_new_thread(self.poll_thread, ())
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def poll(self):
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self.send([('session.poll', [])])
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def send(self, messages):
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import time
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@@ -211,13 +218,8 @@ class NativeInterface(PollingInterface):
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class HttpInterface(PollingInterface):
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def start(self):
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self.session_id = None
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thread.start_new_thread(self.poll_thread, ())
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def poll(self):
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if self.session_id:
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self.send( [] )
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self.send([])
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def send(self, messages):
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import urllib2, json, time, cookielib
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@@ -278,13 +280,25 @@ class HttpInterface(PollingInterface):
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class AsynchronousInterface(Interface):
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"""json-rpc over persistent TCP connection, asynchronous"""
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def listen_thread(self):
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def __init__(self, host, port):
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Interface.__init__(self, host, port)
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self.s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
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self.s.settimeout(5)
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self.s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
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try:
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self.s.connect(( self.host, self.port))
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self.is_connected = True
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except:
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self.is_connected = False
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print "not connected"
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def run(self):
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try:
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out = ''
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while self.is_connected:
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try: msg = self.s.recv(1024)
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except socket.timeout: continue
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except socket.timeout:
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continue
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out += msg
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if msg == '':
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self.is_connected = False
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@@ -316,31 +330,149 @@ class AsynchronousInterface(Interface):
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def get_history(self, addr):
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self.send([('blockchain.address.get_history', [addr])])
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def start(self):
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self.s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
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self.s.settimeout(5)
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self.s.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
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self.s.connect(( self.host, self.port))
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thread.start_new_thread(self.listen_thread, ())
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class WalletSynchronizer(threading.Thread):
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def __init__(self, wallet, loop=False):
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threading.Thread.__init__(self)
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self.daemon = True
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self.wallet = wallet
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self.loop = loop
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self.start_interface()
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def loop_interfaces_thread(wallet):
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while True:
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def handle_response(self, r):
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if r is None:
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return
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method = r['method']
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params = r['params']
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result = r['result']
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if method == 'server.banner':
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self.wallet.banner = result
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self.wallet.was_updated = True
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elif method == 'session.poll':
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# native poll
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blocks, changed_addresses = result
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if blocks == -1: raise BaseException("session not found")
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self.wallet.blocks = int(blocks)
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if changed_addresses:
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self.wallet.was_updated = True
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for addr, status in changed_addresses.items():
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self.wallet.receive_status_callback(addr, status)
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elif method == 'server.peers.subscribe':
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servers = []
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for item in result:
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s = []
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host = item[1]
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if len(item)>2:
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for v in item[2]:
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if re.match("[thn]\d+",v):
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s.append(host+":"+v[1:]+":"+v[0])
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#if not s:
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# s.append(host+":50000:n")
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#else:
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# s.append(host+":50000:n")
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servers = servers + s
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self.interface.servers = servers
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elif method == 'blockchain.address.subscribe':
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addr = params[-1]
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self.wallet.receive_status_callback(addr, result)
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elif method == 'blockchain.address.get_history':
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addr = params[0]
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self.wallet.receive_history_callback(addr, result)
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self.wallet.was_updated = True
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elif method == 'blockchain.transaction.broadcast':
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self.wallet.tx_result = result
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self.wallet.tx_event.set()
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elif method == 'blockchain.numblocks.subscribe':
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self.wallet.blocks = result
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elif method == 'server.version':
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pass
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else:
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print "unknown message:", method, params, result
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def start_interface(self):
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try:
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wallet.start_interface()
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wallet.run()
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except socket.error:
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print "socket error"
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wallet.interface.is_connected = False
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time.sleep(5)
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host, port, protocol = self.wallet.server.split(':')
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port = int(port)
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except:
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traceback.print_exc(file=sys.stdout)
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wallet.interface.is_connected = False
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time.sleep(5)
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continue
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self.wallet.pick_random_server()
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host, port, protocol = self.wallet.server.split(':')
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port = int(port)
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#print protocol, host, port
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if protocol == 'n':
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InterfaceClass = NativeInterface
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elif protocol == 't':
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InterfaceClass = AsynchronousInterface
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elif protocol == 'h':
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InterfaceClass = HttpInterface
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else:
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print "unknown protocol"
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InterfaceClass = NativeInterface
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self.interface = InterfaceClass(host, port)
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self.wallet.interface = self.interface
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with self.wallet.lock:
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self.wallet.addresses_waiting_for_status = []
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self.wallet.addresses_waiting_for_history = []
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addresses = self.wallet.all_addresses()
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version = self.wallet.electrum_version
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for addr in addresses:
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self.wallet.addresses_waiting_for_status.append(addr)
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try:
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self.interface.start()
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self.interface.start_session(addresses,version)
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except:
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self.interface.is_connected = False
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def run(self):
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import socket, time
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while True:
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try:
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while self.interface.is_connected:
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new_addresses = self.wallet.synchronize()
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if new_addresses:
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self.interface.subscribe(new_addresses)
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for addr in new_addresses:
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with self.wallet.lock:
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self.wallet.addresses_waiting_for_status.append(addr)
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if self.wallet.is_up_to_date():
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self.wallet.up_to_date = True
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self.wallet.up_to_date_event.set()
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else:
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self.wallet.up_to_date = False
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response = self.interface.responses.get(True,100000000000) # workaround so that it can be keyboard interrupted
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self.handle_response(response)
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except socket.error:
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print "socket error"
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wallet.interface.is_connected = False
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if self.loop:
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time.sleep(5)
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self.start_interface()
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continue
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else:
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break
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