revert pruning flag for default servers (too much complexity)
[electrum-nvc.git] / lib / interface.py
index c843679..d7235a0 100644 (file)
 import random, socket, ast, re, ssl
 import threading, traceback, sys, time, json, Queue
 
-from version import ELECTRUM_VERSION
+from version import ELECTRUM_VERSION, PROTOCOL_VERSION
 from util import print_error
 
 
 DEFAULT_TIMEOUT = 5
 DEFAULT_SERVERS = [ 
+    #'electrum.bitcoins.sk:50001:t',
+    #'uncle-enzo.info:50001:t',
+    #'electrum.bitfoo.org:50001:t',
+    #'webbtc.net:50001:t',
+    'electrum.bitcoin.cz:50001:t',
     'electrum.novit.ro:50001:t', 
+    'electrum.be:50001:t',
+    'electrum.bysh.me:50001:t',
     'electrum.pdmc.net:50001:t',
-    'ecdsa.org:50001:t',
-    'electrum.bitcoins.sk:50001:t',
-    'uncle-enzo.info:50001:t',
-    'electrum.bytesized-hosting.com:50001:t',
-    'electrum.bitcoin.cz:50001:t',
-    'electrum.bitfoo.org:50001:t'
+    'electrum.no-ip.org:50001:t',
+    'ecdsa.org:50001:t'
     ]
 
 proxy_modes = ['socks4', 'socks5', 'http']
@@ -75,19 +78,54 @@ class Interface(threading.Thread):
     def queue_json_response(self, c):
 
         # uncomment to debug
-        # print "<--",c
+        # print_error( "<--",c )
 
         msg_id = c.get('id')
         error = c.get('error')
         
         if error:
             print_error("received error:", c)
+            if msg_id is not None:
+                with self.lock: 
+                    method, params, channel = self.unanswered_requests.pop(msg_id)
+                response_queue = self.responses[channel]
+                response_queue.put({'method':method, 'params':params, 'error':error, 'id':msg_id})
+
             return
 
         if msg_id is not None:
             with self.lock: 
                 method, params, channel = self.unanswered_requests.pop(msg_id)
             result = c.get('result')
+
+            if method == 'server.version':
+                self.server_version = result
+
+            elif method == 'server.peers.subscribe':
+                servers = {}
+                for item in result:
+                    s = []
+                    host = item[1]
+                    ports = []
+                    version = None
+                    pruning = False
+                    if len(item) > 2:
+                        for v in item[2]:
+                            if re.match("[stgh]\d+", v):
+                                ports.append((v[0], v[1:]))
+                            elif re.match("v(.?)+", v):
+                                version = v[1:]
+                            elif v == 'p':
+                                pruning = True
+                    try: 
+                        is_recent = float(version)>=float(PROTOCOL_VERSION)
+                    except:
+                        is_recent = False
+                    if ports and is_recent:
+                        servers[host] = {'ports':ports, 'pruning':pruning}
+                self.servers = servers
+                self.trigger_callback('peers')
+
         else:
             # notification: find the channel(s)
             method = c.get('method')
@@ -165,7 +203,7 @@ class Interface(threading.Thread):
         
         if self.proxy:
             import socks
-            socks.setdefaultproxy(proxy_modes.index(self.proxy["mode"]), self.proxy["host"], int(self.proxy["port"]) )
+            socks.setdefaultproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
             socks.wrapmodule(urllib2)
 
         cj = cookielib.CookieJar()
@@ -234,7 +272,7 @@ class Interface(threading.Thread):
             self.connection_msg += " using proxy %s:%s:%s"%(self.proxy.get('mode'), self.proxy.get('host'), self.proxy.get('port'))
             import socks
             s = socks.socksocket()
-            s.setproxy(proxy_modes.index(self.proxy["mode"]), self.proxy["host"], int(self.proxy["port"]) )
+            s.setproxy(proxy_modes.index(self.proxy["mode"]) + 1, self.proxy["host"], int(self.proxy["port"]) )
 
         if self.use_ssl:
             s = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_SSLv23)
@@ -267,7 +305,7 @@ class Interface(threading.Thread):
 
                 if timeout:
                     # ping the server with server.version, as a real ping does not exist yet
-                    self.send([('server.version', [ELECTRUM_VERSION])])
+                    self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
                     continue
 
                 out += msg
@@ -315,6 +353,8 @@ class Interface(threading.Thread):
 
 
     def __init__(self, config=None, loop=False):
+        self.server = None
+        self.proxy = None
 
         if config is None:
             from simple_config import SimpleConfig
@@ -333,7 +373,7 @@ class Interface(threading.Thread):
         self.callbacks = {}
         self.lock = threading.Lock()
 
-        self.servers = [] # actual list from IRC
+        self.servers = {} # actual list from IRC
         self.rtime = 0
         self.bytes_received = 0
 
@@ -362,7 +402,7 @@ class Interface(threading.Thread):
 
         self.connect_event.set()
         if self.is_connected:
-            self.send([('server.version', [ELECTRUM_VERSION])])
+            self.send([('server.version', [ELECTRUM_VERSION, PROTOCOL_VERSION])])
             self.trigger_callback('connected')
         else:
             self.trigger_callback('notconnected')
@@ -400,7 +440,9 @@ class Interface(threading.Thread):
             with self.lock:
                 if self.subscriptions.get(channel) is None: 
                     self.subscriptions[channel] = []
-                self.subscriptions[channel] += sub
+                for message in sub:
+                    if message not in self.subscriptions[channel]:
+                        self.subscriptions[channel].append(message)
 
         if self.protocol in 'st':
             with self.lock:
@@ -448,12 +490,39 @@ class Interface(threading.Thread):
             print "changing server:", server, proxy
             self.server = server
             self.proxy = proxy
-            if self.protocol in 'st':
+            if self.protocol in 'st' and self.s:
                 self.s.shutdown(socket.SHUT_RDWR)
                 self.s.close()
             self.is_connected = False  # this exits the polling loop
             self.trigger_callback('disconnecting') # for actively disconnecting
 
+    def stop(self):
+        if self.protocol in 'st' and self.s:
+            self.s.shutdown(socket.SHUT_RDWR)
+            self.s.close()
+
+
+    def get_servers_list(self):
+        plist = {}
+        if not self.servers:
+            servers_list = {}
+            for x in DEFAULT_SERVERS:
+                h,port,protocol = x.split(':')
+                servers_list[h] = {'ports':[(protocol,port)]}
+        else:
+            servers_list = self.servers
+        
+        for _host, v in servers_list.items():
+            pp = v['ports']
+            z = {}
+            for item2 in pp:
+                _protocol, _port = item2
+                z[_protocol] = _port
+            plist[_host] = z
+                
+        return plist, servers_list
+
+
     def is_empty(self, channel):
         q = self.responses.get(channel)
         if q: