223 lines
7.0 KiB
Python
223 lines
7.0 KiB
Python
import threading, time, Queue, os, sys, shutil, random
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from util import user_dir, appdata_dir, print_error, print_msg
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from bitcoin import *
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import interface
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from blockchain import Blockchain
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DEFAULT_PORTS = {'t':'50001', 's':'50002', 'h':'8081', 'g':'8082'}
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DEFAULT_SERVERS = {
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'the9ull.homelinux.org': {'h': '8082', 't': '50001'},
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'electrum.coinwallet.me': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.dynaloop.net': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.koh.ms': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.novit.ro': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.stepkrav.pw': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'ecdsa.org': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.mooo.com': {'h': '8081', 't': '50001'},
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'electrum.bitcoins.sk': {'h': '8081', 's': '50002', 't': '50001', 'g': '8'},
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'electrum.no-ip.org': {'h': '80', 's': '50002', 't': '50001', 'g': '443'},
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'electrum.drollette.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'btc.it-zone.org': {'h': '80', 's': '110', 't': '50001', 'g': '443'},
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'electrum.yacoin.com': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'},
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'electrum.be': {'h': '8081', 's': '50002', 't': '50001', 'g': '8082'}
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}
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def filter_protocol(servers, p):
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l = []
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for k, protocols in servers.items():
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if p in protocols:
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l.append( ':'.join([k, protocols[p], p]) )
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return l
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class Network(threading.Thread):
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def __init__(self, config):
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threading.Thread.__init__(self)
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self.daemon = True
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self.config = config
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self.lock = threading.Lock()
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self.blockchain = Blockchain(config, self)
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self.interfaces = {}
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self.queue = Queue.Queue()
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self.default_server = self.config.get('server')
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self.disconnected_servers = []
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self.callbacks = {}
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self.servers = []
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self.banner = ''
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self.interface = None
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def register_callback(self, event, callback):
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with self.lock:
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if not self.callbacks.get(event):
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self.callbacks[event] = []
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self.callbacks[event].append(callback)
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def trigger_callback(self, event):
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with self.lock:
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callbacks = self.callbacks.get(event,[])[:]
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if callbacks:
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[callback() for callback in callbacks]
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def random_server(self):
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choice_list = []
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l = filter_protocol(self.get_servers(), 's')
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for s in l:
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if s in self.disconnected_servers or s in self.interfaces.keys():
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continue
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else:
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choice_list.append(s)
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if not choice_list: return
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server = random.choice( choice_list )
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return server
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def get_servers(self):
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if not self.servers:
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return DEFAULT_SERVERS
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else:
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return self.servers
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def start_interface(self, server):
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if server in self.interfaces.keys():
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return
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i = interface.Interface({'server':server})
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self.interfaces[server] = i
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i.start(self.queue)
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def start_random_interface(self):
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server = self.random_server()
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if server:
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self.start_interface(server)
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def start_interfaces(self):
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if self.default_server:
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self.start_interface(self.default_server)
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self.interface = self.interfaces[self.default_server]
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for i in range(8):
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self.start_random_interface()
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if not self.interface:
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self.interface = self.interfaces.values()[0]
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def start(self, wait=False):
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self.start_interfaces()
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threading.Thread.start(self)
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if wait:
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self.interface.connect_event.wait()
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return self.interface.is_connected
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def set_server(self, server, proxy):
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i = self.interface
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self.default_server = server
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self.start_interface(server)
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self.interface = self.interfaces[server]
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i.stop_subscriptions() # fixme: it should not stop all subscriptions, and send 'unsubscribe'
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self.trigger_callback('disconnecting') # for actively disconnecting
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def run(self):
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self.blockchain.start()
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with self.lock:
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self.running = True
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while self.is_running():
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i = self.queue.get()
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if i.is_connected:
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i.send([ ('blockchain.headers.subscribe',[])], self.on_header)
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if i == self.interface:
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i.send([('server.banner',[])], self.on_banner)
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i.send([('server.peers.subscribe',[])], self.on_peers)
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self.trigger_callback('connected')
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else:
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self.disconnected_servers.append(i.server)
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self.interfaces.pop(i.server)
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self.start_random_interface()
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if i == self.interface:
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if self.config.get('auto_cycle'):
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self.interface = random.choice(self.interfaces.values())
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self.config.set_key('server', self.interface.server, False)
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else:
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self.trigger_callback('disconnected')
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def on_header(self, i, result):
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self.blockchain.queue.put((i,result))
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def on_peers(self, i, r):
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if not r: return
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self.servers = self.parse_servers(r.get('result'))
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self.trigger_callback('peers')
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def on_banner(self, i, r):
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self.banner = r.get('result')
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self.trigger_callback('banner')
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def stop(self):
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with self.lock: self.running = False
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def is_running(self):
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with self.lock: return self.running
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def parse_servers(self, result):
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""" parse servers list into dict format"""
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from version import PROTOCOL_VERSION
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servers = {}
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for item in result:
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host = item[1]
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out = {}
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version = None
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pruning_level = '-'
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if len(item) > 2:
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for v in item[2]:
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if re.match("[stgh]\d*", v):
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protocol, port = v[0], v[1:]
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if port == '': port = DEFAULT_PORTS[protocol]
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out[protocol] = port
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elif re.match("v(.?)+", v):
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version = v[1:]
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elif re.match("p\d*", v):
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pruning_level = v[1:]
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if pruning_level == '': pruning_level = '0'
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try:
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is_recent = float(version)>=float(PROTOCOL_VERSION)
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except:
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is_recent = False
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if out and is_recent:
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out['pruning'] = pruning_level
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servers[host] = out
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return servers
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if __name__ == "__main__":
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import simple_config
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config = simple_config.SimpleConfig({'verbose':True, 'server':'ecdsa.org:50002:s'})
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network = Network(config)
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network.start()
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while 1:
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time.sleep(1)
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