update interface.py
This commit is contained in:
ThomasV
420
lib/interface.py
420
lib/interface.py
@@ -33,7 +33,8 @@ DEFAULT_TIMEOUT = 5
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proxy_modes = ['socks4', 'socks5', 'http']
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from util import parse_json
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import util
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def cert_verify_hostname(s):
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# hostname verification (disabled)
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@@ -48,15 +49,11 @@ def cert_verify_hostname(s):
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class Interface(threading.Thread):
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def __init__(self, server, config = None):
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threading.Thread.__init__(self)
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self.daemon = True
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self.config = config if config is not None else SimpleConfig()
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self.connect_event = threading.Event()
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self.subscriptions = {}
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self.lock = threading.Lock()
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self.rtime = 0
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@@ -65,8 +62,6 @@ class Interface(threading.Thread):
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self.poll_interval = 1
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self.debug = False # dump network messages. can be changed at runtime using the console
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#json
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self.message_id = 0
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self.unanswered_requests = {}
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@@ -91,36 +86,31 @@ class Interface(threading.Thread):
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self.proxy_mode = proxy_modes.index(self.proxy["mode"]) + 1
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def process_response(self, c):
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# uncomment to debug
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if self.debug:
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print_error( "<--",c )
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msg_id = c.get('id')
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error = c.get('error')
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result = c.get('result')
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if error:
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print_error("received error:", c)
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if msg_id is not None:
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with self.lock:
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method, params, callback = self.unanswered_requests.pop(msg_id)
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callback(self,{'method':method, 'params':params, 'error':error, 'id':msg_id})
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#queue.put((self,{'method':method, 'params':params, 'error':error, 'id':_id}))
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return
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if msg_id is not None:
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with self.lock:
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method, params, callback = self.unanswered_requests.pop(msg_id)
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result = c.get('result')
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with self.lock:
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method, params, _id, queue = self.unanswered_requests.pop(msg_id)
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if queue is None:
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queue = self.response_queue
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else:
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queue = self.response_queue
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# notification
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method = c.get('method')
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params = c.get('params')
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_id = None
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if method == 'blockchain.numblocks.subscribe':
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result = params[0]
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@@ -135,138 +125,16 @@ class Interface(threading.Thread):
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result = params[1]
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params = [addr]
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with self.lock:
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for k,v in self.subscriptions.items():
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if (method, params) in v:
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callback = k
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break
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else:
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print_error( "received unexpected notification", method, params)
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print_error( self.subscriptions )
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return
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callback(self, {'method':method, 'params':params, 'result':result, 'id':msg_id})
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queue.put((self, {'method':method, 'params':params, 'result':result, 'id':_id}))
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def on_version(self, i, result):
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self.server_version = result
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def start_http(self):
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self.session_id = None
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self.is_connected = True
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self.connection_msg = ('https' if self.use_ssl else 'http') + '://%s:%d'%( self.host, self.port )
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try:
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self.poll()
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except Exception:
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print_error("http init session failed")
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self.is_connected = False
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return
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if self.session_id:
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print_error('http session:',self.session_id)
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self.is_connected = True
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else:
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self.is_connected = False
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def run_http(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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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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except socket.error:
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break
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except Exception:
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traceback.print_exc(file=sys.stdout)
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break
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self.is_connected = False
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def poll(self):
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self.send([], None)
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def send_http(self, messages, callback):
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import urllib2, json, time, cookielib
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print_error( "send_http", messages )
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if self.proxy:
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socks.setdefaultproxy(self.proxy_mode, self.proxy["host"], int(self.proxy["port"]) )
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socks.wrapmodule(urllib2)
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cj = cookielib.CookieJar()
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opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
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urllib2.install_opener(opener)
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t1 = time.time()
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data = []
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ids = []
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for m in messages:
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method, params = m
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if type(params) != type([]): params = [params]
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data.append( { 'method':method, 'id':self.message_id, 'params':params } )
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self.unanswered_requests[self.message_id] = method, params, callback
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ids.append(self.message_id)
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self.message_id += 1
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if data:
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data_json = json.dumps(data)
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else:
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# poll with GET
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data_json = None
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headers = {'content-type': 'application/json'}
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if self.session_id:
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headers['cookie'] = 'SESSION=%s'%self.session_id
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try:
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req = urllib2.Request(self.connection_msg, data_json, headers)
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response_stream = urllib2.urlopen(req, timeout=DEFAULT_TIMEOUT)
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except Exception:
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return
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for index, cookie in enumerate(cj):
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if cookie.name=='SESSION':
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self.session_id = cookie.value
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response = response_stream.read()
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self.bytes_received += len(response)
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if response:
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response = json.loads( response )
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if type(response) is not type([]):
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self.process_response(response)
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else:
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for item in response:
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self.process_response(item)
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if response:
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self.poll_interval = 1
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else:
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if self.poll_interval < 15:
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self.poll_interval += 1
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#print self.poll_interval, response
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self.rtime = time.time() - t1
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self.is_connected = True
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return ids
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def start_tcp(self):
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self.connection_msg = self.host + ':%d' % self.port
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if self.proxy is not None:
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socks.setdefaultproxy(self.proxy_mode, self.proxy["host"], int(self.proxy["port"]))
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socket.socket = socks.socksocket
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# prevent dns leaks, see http://stackoverflow.com/questions/13184205/dns-over-proxy
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@@ -276,7 +144,6 @@ class Interface(threading.Thread):
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if self.use_ssl:
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cert_path = os.path.join( self.config.path, 'certs', self.host)
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if not os.path.exists(cert_path):
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is_new = True
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# get server certificate.
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@@ -387,133 +254,45 @@ class Interface(threading.Thread):
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self.s = s
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self.is_connected = True
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print_error("connected to", self.host, self.port)
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self.pipe = util.SocketPipe(s)
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def run_tcp(self):
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try:
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#if self.use_ssl: self.s.do_handshake()
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message = ''
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while self.is_connected:
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try:
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timeout = False
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msg = self.s.recv(1024)
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except socket.timeout:
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timeout = True
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except ssl.SSLError:
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timeout = True
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except socket.error, err:
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if err.errno == 60:
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timeout = True
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elif err.errno in [11, 10035]:
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print_error("socket errno", err.errno)
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time.sleep(0.1)
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continue
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else:
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traceback.print_exc(file=sys.stdout)
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raise
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if timeout:
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# ping the server with server.version, as a real ping does not exist yet
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self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])], self.on_version)
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continue
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message += msg
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self.bytes_received += len(msg)
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if msg == '':
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self.is_connected = False
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while True:
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response, message = parse_json(message)
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if response is None:
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break
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self.process_response(response)
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except Exception:
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traceback.print_exc(file=sys.stdout)
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t = time.time()
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while self.is_connected:
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# ping the server with server.version
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if time.time() - t > 60:
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self.send_request({'method':'server.version', 'params':[ELECTRUM_VERSION, PROTOCOL_VERSION]})
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t = time.time()
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try:
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response = self.pipe.get()
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except util.timeout:
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continue
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if response is None:
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break
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self.process_response(response)
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self.is_connected = False
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print_error("exit interface", self.server)
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def send_tcp(self, messages, callback):
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"""return the ids of the requests that we sent"""
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out = ''
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ids = []
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for m in messages:
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method, params = m
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request = json.dumps( { 'id':self.message_id, 'method':method, 'params':params } )
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self.unanswered_requests[self.message_id] = method, params, callback
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ids.append(self.message_id)
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if self.debug:
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print_error("-->", request)
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def send_request(self, request, queue=None):
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_id = request.get('id')
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method = request.get('method')
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params = request.get('params')
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with self.lock:
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self.pipe.send({'id':self.message_id, 'method':method, 'params':params})
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self.unanswered_requests[self.message_id] = method, params, _id, queue
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self.message_id += 1
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out += request + '\n'
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while out:
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try:
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sent = self.s.send( out )
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out = out[sent:]
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except socket.error,e:
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if e[0] in (errno.EWOULDBLOCK,errno.EAGAIN):
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print_error( "EAGAIN: retrying")
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time.sleep(0.1)
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continue
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else:
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traceback.print_exc(file=sys.stdout)
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# this happens when we get disconnected
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print_error( "Not connected, cannot send" )
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return None
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return ids
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if self.debug:
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print_error("-->", request)
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def start_interface(self):
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if self.protocol in 'st':
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self.start_tcp()
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elif self.protocol in 'gh':
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self.start_http()
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self.connect_event.set()
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def stop_subscriptions(self):
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for callback in self.subscriptions.keys():
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callback(self, None)
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self.subscriptions = {}
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def send(self, messages, callback):
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sub = []
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for message in messages:
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m, v = message
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if m[-10:] == '.subscribe':
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sub.append(message)
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if sub:
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with self.lock:
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if self.subscriptions.get(callback) is None:
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self.subscriptions[callback] = []
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for message in sub:
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if message not in self.subscriptions[callback]:
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self.subscriptions[callback].append(message)
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if not self.is_connected:
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print_error("interface: trying to send while not connected")
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return
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if self.protocol in 'st':
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with self.lock:
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out = self.send_tcp(messages, callback)
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else:
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# do not use lock, http is synchronous
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out = self.send_http(messages, callback)
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return out
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def parse_proxy_options(self, s):
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if type(s) == type({}): return s # fixme: type should be fixed
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if type(s) != type(""): return None
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@@ -533,43 +312,34 @@ class Interface(threading.Thread):
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proxy["port"] = "8080" if proxy["mode"] == "http" else "1080"
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return proxy
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def stop(self):
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if self.is_connected and self.protocol in 'st' and self.s:
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self.s.shutdown(socket.SHUT_RDWR)
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self.s.close()
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self.is_connected = False
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def is_up_to_date(self):
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return self.unanswered_requests == {}
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def start(self, queue = None, wait = False):
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def start(self, response_queue, wait = False):
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if not self.server:
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return
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self.queue = queue if queue else Queue.Queue()
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self.response_queue = response_queue
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threading.Thread.start(self)
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if wait:
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self.connect_event.wait()
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def run(self):
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self.start_interface()
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if self.is_connected:
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self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])], self.on_version)
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self.send_request({'method':'server.version', 'params':[ELECTRUM_VERSION, PROTOCOL_VERSION]})
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self.change_status()
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self.run_tcp() if self.protocol in 'st' else self.run_http()
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self.change_status()
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def change_status(self):
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#print "change status", self.server, self.is_connected
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self.queue.put(self)
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# print_error( "change status", self.server, self.is_connected)
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self.response_queue.put((self, None))
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def synchronous_get(self, requests, timeout=100000000):
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queue = Queue.Queue()
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@@ -588,6 +358,112 @@ class Interface(threading.Thread):
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return out
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class HTTP_Interface(Interface):
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def send_request(self, request, queue=None):
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import urllib2, json, time, cookielib
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print_error( "send_http", messages )
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|
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if self.proxy:
|
||||
socks.setdefaultproxy(self.proxy_mode, self.proxy["host"], int(self.proxy["port"]) )
|
||||
socks.wrapmodule(urllib2)
|
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|
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cj = cookielib.CookieJar()
|
||||
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
|
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urllib2.install_opener(opener)
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t1 = time.time()
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|
||||
data = []
|
||||
ids = []
|
||||
for m in messages:
|
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method, params = m
|
||||
if type(params) != type([]): params = [params]
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data.append( { 'method':method, 'id':self.message_id, 'params':params } )
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||||
self.unanswered_requests[self.message_id] = method, params, callback
|
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ids.append(self.message_id)
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self.message_id += 1
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||||
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if data:
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||||
data_json = json.dumps(data)
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||||
else:
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||||
# poll with GET
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||||
data_json = None
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||||
|
||||
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||||
headers = {'content-type': 'application/json'}
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||||
if self.session_id:
|
||||
headers['cookie'] = 'SESSION=%s'%self.session_id
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|
||||
try:
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req = urllib2.Request(self.connection_msg, data_json, headers)
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||||
response_stream = urllib2.urlopen(req, timeout=DEFAULT_TIMEOUT)
|
||||
except Exception:
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return
|
||||
|
||||
for index, cookie in enumerate(cj):
|
||||
if cookie.name=='SESSION':
|
||||
self.session_id = cookie.value
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||||
|
||||
response = response_stream.read()
|
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self.bytes_received += len(response)
|
||||
if response:
|
||||
response = json.loads( response )
|
||||
if type(response) is not type([]):
|
||||
self.process_response(response)
|
||||
else:
|
||||
for item in response:
|
||||
self.process_response(item)
|
||||
if response:
|
||||
self.poll_interval = 1
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||||
else:
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if self.poll_interval < 15:
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||||
self.poll_interval += 1
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||||
#print self.poll_interval, response
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||||
self.rtime = time.time() - t1
|
||||
self.is_connected = True
|
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return ids
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||||
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||||
def poll(self):
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||||
self.send([], None)
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||||
|
||||
def start_http(self):
|
||||
self.session_id = None
|
||||
self.is_connected = True
|
||||
self.connection_msg = ('https' if self.use_ssl else 'http') + '://%s:%d'%( self.host, self.port )
|
||||
try:
|
||||
self.poll()
|
||||
except Exception:
|
||||
print_error("http init session failed")
|
||||
self.is_connected = False
|
||||
return
|
||||
|
||||
if self.session_id:
|
||||
print_error('http session:',self.session_id)
|
||||
self.is_connected = True
|
||||
else:
|
||||
self.is_connected = False
|
||||
|
||||
def run_http(self):
|
||||
self.is_connected = True
|
||||
while self.is_connected:
|
||||
try:
|
||||
if self.session_id:
|
||||
self.poll()
|
||||
time.sleep(self.poll_interval)
|
||||
except socket.gaierror:
|
||||
break
|
||||
except socket.error:
|
||||
break
|
||||
except Exception:
|
||||
traceback.print_exc(file=sys.stdout)
|
||||
break
|
||||
|
||||
self.is_connected = False
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
def check_cert(host, cert):
|
||||
|
||||
Reference in New Issue
Block a user