import ConfigParser
from json import dumps, loads
import urllib
-
+import threading
config = ConfigParser.ConfigParser()
# set some defaults, which will be overwritten by the config file
password = config.get('server','password')
-
stopping = False
-block_number = -1
sessions = {}
-sessions_sub_numblocks = {} # sessions that have subscribed to the service
-
-m_sessions = [{}] # served by http
-
-peer_list = {}
-
-wallets = {} # for ultra-light clients such as bccapi
-
-from Queue import Queue
-input_queue = Queue()
-output_queue = Queue()
-
import random, string
return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
-
-
-def cmd_stop(_,__,pw):
- global stopping
- if password == pw:
- stopping = True
- return 'ok'
- else:
- return 'wrong password'
-
-def cmd_load(_,__,pw):
- if password == pw:
- return repr( len(sessions) )
- else:
- return 'wrong password'
-
-
-
def modified_addresses(a_session):
sessions[session_id]['last_time'] = time.time()
ret, addresses = modified_addresses(session)
if ret: sessions[session_id]['addresses'] = addresses
- return repr( (block_number,ret))
-
-
-def poll_session_json(session_id, message_id):
- session = m_sessions[0].get(session_id)
- if session is None:
- raise BaseException("session not found %s"%session_id)
- else:
- m_sessions[0][session_id]['last_time'] = time.time()
- out = []
- ret, addresses = modified_addresses(session)
- if ret:
- m_sessions[0][session_id]['addresses'] = addresses
- for addr in ret:
- msg_id, status = addresses[addr]
- out.append( { 'id':msg_id, 'result':status } )
-
- msg_id, last_nb = session.get('numblocks')
- if last_nb:
- if last_nb != block_number:
- m_sessions[0][session_id]['numblocks'] = msg_id, block_number
- out.append( {'id':msg_id, 'result':block_number} )
-
- return out
-
-
-def do_update_address(addr):
- # an address was involved in a transaction; we check if it was subscribed to in a session
- # the address can be subscribed in several sessions; the cache should ensure that we don't do redundant requests
-
- for session_id in sessions.keys():
- session = sessions[session_id]
- if session.get('type') != 'persistent': continue
- addresses = session['addresses'].keys()
-
- if addr in addresses:
- status = store.get_status( addr )
- message_id, last_status = session['addresses'][addr]
- if last_status != status:
- #print "sending new status for %s:"%addr, status
- send_status(session_id,message_id,addr,status)
- sessions[session_id]['addresses'][addr] = (message_id,status)
-
-
-
-def send_numblocks(session_id):
- message_id = sessions_sub_numblocks[session_id]
- out = json.dumps( {'id':message_id, 'result':block_number} )
- output_queue.put((session_id, out))
-
-def send_status(session_id, message_id, address, status):
- out = json.dumps( { 'id':message_id, 'result':status } )
- output_queue.put((session_id, out))
-
-def address_get_history_json(_,message_id,address):
- return store.get_history(address)
+ return repr( (store.block_number,ret))
-def subscribe_to_numblocks(session_id, message_id):
- sessions_sub_numblocks[session_id] = message_id
- send_numblocks(session_id)
-
-def subscribe_to_numblocks_json(session_id, message_id):
- global m_sessions
- m_sessions[0][session_id]['numblocks'] = message_id,block_number
- return block_number
-
-def subscribe_to_address(session_id, message_id, address):
- status = store.get_status(address)
- sessions[session_id]['addresses'][address] = (message_id, status)
- sessions[session_id]['last_time'] = time.time()
- send_status(session_id, message_id, address, status)
-
-def add_address_to_session_json(session_id, message_id, address):
- global m_sessions
- sessions = m_sessions[0]
- status = store.get_status(address)
- sessions[session_id]['addresses'][address] = (message_id, status)
- sessions[session_id]['last_time'] = time.time()
- m_sessions[0] = sessions
- return status
def add_address_to_session(session_id, address):
status = store.get_status(address)
sessions[session_id]['last_time'] = time.time()
return status
+
def new_session(version, addresses):
session_id = random_string(10)
sessions[session_id] = { 'addresses':{}, 'version':version }
return out
-def client_version_json(session_id, _, version):
- global m_sessions
- sessions = m_sessions[0]
- sessions[session_id]['version'] = version
- m_sessions[0] = sessions
-
-def create_session_json(_, __):
- sessions = m_sessions[0]
- session_id = random_string(10)
- print "creating session", session_id
- sessions[session_id] = { 'addresses':{}, 'numblocks':('','') }
- sessions[session_id]['last_time'] = time.time()
- m_sessions[0] = sessions
- return session_id
-
-
-
-def get_banner(_,__):
- return config.get('server','banner').replace('\\n','\n')
-
def update_session(session_id,addresses):
- """deprecated in 0.42"""
+ """deprecated in 0.42, wad replaced by add_address_to_session"""
sessions[session_id]['addresses'] = {}
for a in addresses:
sessions[session_id]['addresses'][a] = ''
sessions[session_id]['last_time'] = time.time()
return 'ok'
+
def native_server_thread():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
out = poll_session(data)
elif cmd == 'h':
- # history
address = data
out = repr( store.get_history( address ) )
- elif cmd == 'load':
- out = cmd_load(None,None,data)
-
elif cmd =='tx':
out = store.send_tx(data)
print timestr(), "sent tx:", ipaddr, out
- elif cmd == 'stop':
- out = cmd_stop(data)
-
elif cmd == 'peers':
- out = repr(peer_list.values())
+ out = repr(irc.get_peers())
else:
out = None
return out
-
-####################################################################
-
-def tcp_server_thread():
- thread.start_new_thread(process_input_queue, ())
- thread.start_new_thread(process_output_queue, ())
-
- s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
- s.bind((config.get('server','host'), 50001))
- s.listen(1)
+def clean_session_thread():
while not stopping:
- conn, addr = s.accept()
- try:
- thread.start_new_thread(tcp_client_thread, (addr, conn,))
- except:
- # can't start new thread if there is no memory..
- traceback.print_exc(file=sys.stdout)
-
-
-def close_session(session_id):
- #print "lost connection", session_id
- sessions.pop(session_id)
- if session_id in sessions_sub_numblocks:
- sessions_sub_numblocks.pop(session_id)
-
-
-# one thread per client. put requests in a queue.
-def tcp_client_thread(ipaddr,conn):
- """ use a persistent connection. put commands in a queue."""
-
- print timestr(), "TCP session", ipaddr
- global sessions
+ time.sleep(30)
+ t = time.time()
+ for k,s in sessions.items():
+ if s.get('type') == 'persistent': continue
+ t0 = s['last_time']
+ if t - t0 > 5*60:
+ sessions.pop(k)
+ print "lost session", k
+
- session_id = random_string(10)
- sessions[session_id] = { 'conn':conn, 'addresses':{}, 'version':'unknown', 'type':'persistent' }
+####################################################################
- ipaddr = ipaddr[0]
- msg = ''
- while not stopping:
- try:
- d = conn.recv(1024)
- except socket.error:
- d = ''
- if not d:
- close_session(session_id)
- break
-
- msg += d
- while True:
- s = msg.find('\n')
- if s ==-1:
- break
- else:
- c = msg[0:s].strip()
- msg = msg[s+1:]
- if c == 'quit':
- conn.close()
- close_session(session_id)
- return
- try:
- c = json.loads(c)
- except:
- print "json error", repr(c)
- continue
- try:
- message_id = c.get('id')
- method = c.get('method')
- params = c.get('params')
- except:
- print "syntax error", repr(c), ipaddr
- continue
-
- # add to queue
- input_queue.put((session_id, message_id, method, params))
-
-
-
-# read commands from the input queue. perform requests, etc. this should be called from the main thread.
-def process_input_queue():
- while not stopping:
- session_id, message_id, method, data = input_queue.get()
- if session_id not in sessions.keys():
- continue
- out = None
- if method == 'address.subscribe':
- address = data[0]
- subscribe_to_address(session_id,message_id,address)
- elif method == 'numblocks.subscribe':
- subscribe_to_numblocks(session_id,message_id)
+from processor import Shared, Processor, Dispatcher
+from stratum_http import HttpServer
+from stratum import TcpServer
+
+class AbeProcessor(Processor):
+ def process(self,request):
+ message_id = request['id']
+ method = request['method']
+ params = request.get('params',[])
+ #print request
+
+ result = ''
+ if method == 'numblocks.subscribe':
+ result = store.block_number
+ elif method == 'address.subscribe':
+ address = params[0]
+ store.watch_address(address)
+ status = store.get_status(address)
+ result = status
elif method == 'client.version':
- sessions[session_id]['version'] = data[0]
+ #session.version = params[0]
+ pass
elif method == 'server.banner':
- out = { 'result':config.get('server','banner').replace('\\n','\n') }
+ result = config.get('server','banner').replace('\\n','\n')
elif method == 'server.peers':
- out = { 'result':peer_list.values() }
+ result = irc.get_peers()
elif method == 'address.get_history':
- address = data[0]
- out = { 'result':store.get_history( address ) }
+ address = params[0]
+ result = store.get_history( address )
elif method == 'transaction.broadcast':
- txo = store.send_tx(data[0])
+ txo = store.send_tx(params[0])
print "sent tx:", txo
- out = {'result':txo }
+ result = txo
else:
- print "unknown command", method
- if out:
- out['id'] = message_id
- out = json.dumps( out )
- output_queue.put((session_id, out))
+ print "unknown method", request
-# this is a separate thread
-def process_output_queue():
- while not stopping:
- session_id, out = output_queue.get()
- session = sessions.get(session_id)
- if session:
- try:
- conn = session.get('conn')
- conn.send(out+'\n')
- except:
- close_session(session_id)
-
+ if result!='':
+ response = { 'id':message_id, 'method':method, 'params':params, 'result':result }
+ self.push_response(response)
+
+ def get_status(self,addr):
+ return store.get_status(addr)
+class Irc(threading.Thread):
+
+ def __init__(self, processor):
+ self.processor = processor
+ threading.Thread.__init__(self)
+ self.daemon = True
+ self.peers = {}
+
+ def get_peers(self):
+ return self.peers.values()
+
+ def run(self):
+ NICK = 'E_'+random_string(10)
+ while not self.processor.shared.stopped():
+ try:
+ s = socket.socket()
+ s.connect(('irc.freenode.net', 6667))
+ s.send('USER electrum 0 * :'+config.get('server','host')+' '+config.get('server','ircname')+'\n')
+ s.send('NICK '+NICK+'\n')
+ s.send('JOIN #electrum\n')
+ sf = s.makefile('r', 0)
+ t = 0
+ while not self.processor.shared.stopped():
+ line = sf.readline()
+ line = line.rstrip('\r\n')
+ line = line.split()
+ if line[0]=='PING':
+ s.send('PONG '+line[1]+'\n')
+ elif '353' in line: # answer to /names
+ k = line.index('353')
+ for item in line[k+1:]:
+ if item[0:2] == 'E_':
+ s.send('WHO %s\n'%item)
+ elif '352' in line: # answer to /who
+ # warning: this is a horrible hack which apparently works
+ k = line.index('352')
+ ip = line[k+4]
+ ip = socket.gethostbyname(ip)
+ name = line[k+6]
+ host = line[k+9]
+ self.peers[name] = (ip,host)
+ if time.time() - t > 5*60:
+ self.processor.push_response({'method':'server.peers', 'result':[self.get_peers()]})
+ s.send('NAMES #electrum\n')
+ t = time.time()
+ self.peers = {}
+ except:
+ traceback.print_exc(file=sys.stdout)
+ finally:
+ sf.close()
+ s.close()
-def clean_session_thread():
- while not stopping:
- time.sleep(30)
- t = time.time()
- for k,s in sessions.items():
- if s.get('type') == 'persistent': continue
- t0 = s['last_time']
- if t - t0 > 5*60:
- sessions.pop(k)
- print "lost session", k
-
-def irc_thread():
- global peer_list
- NICK = 'E_'+random_string(10)
- while not stopping:
- try:
- s = socket.socket()
- s.connect(('irc.freenode.net', 6667))
- s.send('USER electrum 0 * :'+config.get('server','host')+' '+config.get('server','ircname')+'\n')
- s.send('NICK '+NICK+'\n')
- s.send('JOIN #electrum\n')
- sf = s.makefile('r', 0)
- t = 0
- while not stopping:
- line = sf.readline()
- line = line.rstrip('\r\n')
- line = line.split()
- if line[0]=='PING':
- s.send('PONG '+line[1]+'\n')
- elif '353' in line: # answer to /names
- k = line.index('353')
- for item in line[k+1:]:
- if item[0:2] == 'E_':
- s.send('WHO %s\n'%item)
- elif '352' in line: # answer to /who
- # warning: this is a horrible hack which apparently works
- k = line.index('352')
- ip = line[k+4]
- ip = socket.gethostbyname(ip)
- name = line[k+6]
- host = line[k+9]
- peer_list[name] = (ip,host)
- if time.time() - t > 5*60:
- s.send('NAMES #electrum\n')
- t = time.time()
- peer_list = {}
- except:
- traceback.print_exc(file=sys.stdout)
- finally:
- sf.close()
- s.close()
-
-
-def get_peers_json(_,__):
- return peer_list.values()
-
-def http_server_thread():
- # see http://code.google.com/p/jsonrpclib/
- from SocketServer import ThreadingMixIn
- from StratumJSONRPCServer import StratumJSONRPCServer
- class StratumThreadedJSONRPCServer(ThreadingMixIn, StratumJSONRPCServer): pass
- server = StratumThreadedJSONRPCServer(( config.get('server','host'), 8081))
- server.register_function(get_peers_json, 'server.peers')
- server.register_function(cmd_stop, 'stop')
- server.register_function(cmd_load, 'load')
- server.register_function(get_banner, 'server.banner')
- server.register_function(lambda a,b,c: store.send_tx(c), 'transaction.broadcast')
- server.register_function(address_get_history_json, 'address.get_history')
- server.register_function(add_address_to_session_json, 'address.subscribe')
- server.register_function(subscribe_to_numblocks_json, 'numblocks.subscribe')
- server.register_function(client_version_json, 'client.version')
- server.register_function(create_session_json, 'session.create') # internal message (not part of protocol)
- server.register_function(poll_session_json, 'session.poll') # internal message (not part of protocol)
- server.serve_forever()
if __name__ == '__main__':
# backend
store = abe_backend.AbeStore(config)
- # supported protocols
+ # old protocol
thread.start_new_thread(native_server_thread, ())
- thread.start_new_thread(tcp_server_thread, ())
- thread.start_new_thread(http_server_thread, ())
thread.start_new_thread(clean_session_thread, ())
- if (config.get('server','irc') == 'yes' ):
- thread.start_new_thread(irc_thread, ())
+ processor = AbeProcessor()
+ shared = Shared()
+ # Bind shared to processor since constructor is user defined
+ processor.shared = shared
+ processor.start()
+ # dispatcher
+ dispatcher = Dispatcher(shared, processor)
+ dispatcher.start()
+ # Create various transports we need
+ transports = [ TcpServer(shared, processor, "ecdsa.org",50001),
+ HttpServer(shared, processor, "ecdsa.org",8081)
+ ]
+ for server in transports:
+ server.start()
- print "starting Electrum server"
- old_block_number = None
- while not stopping:
- block_number = store.main_iteration()
+ if (config.get('server','irc') == 'yes' ):
+ irc = Irc(processor)
+ irc.start()
- if block_number != old_block_number:
- old_block_number = block_number
- for session_id in sessions_sub_numblocks.keys():
- send_numblocks(session_id)
- while True:
- try:
- addr = store.address_queue.get(False)
- except:
- break
- do_update_address(addr)
- time.sleep(10)
+ print "starting Electrum server"
+ store.run(processor)
print "server stopped"