fix
[electrum-server.git] / server.py
old mode 100644 (file)
new mode 100755 (executable)
index e009f9b..27881b1
--- a/server.py
+++ b/server.py
@@ -22,31 +22,41 @@ Todo:
 """
 
 
-import time, socket, operator, thread, ast, sys
+import time, socket, operator, thread, ast, sys,re
 import psycopg2, binascii
-import bitcoinrpc
+import bitcoin
 
 from Abe.abe import hash_to_address, decode_check_address
 from Abe.DataStore import DataStore as Datastore_class
 from Abe import DataStore, readconf, BCDataStream,  deserialize, util, base58
 
+import ConfigParser
+
+config = ConfigParser.ConfigParser()
+# set some defaults, which will be overwritten by the config file
+config.add_section('server')
+config.set('server','banner', 'Welcome to Electrum!')
+config.set('server', 'host', 'ecdsa.org')
+config.set('server', 'port', 50000)
+config.set('server', 'password', '')
+config.add_section('database')
+config.set('database', 'type', 'psycopg2')
+config.set('database', 'database', 'abe')
+
 try:
     f = open('/etc/electrum.conf','r')
-    data = f.read()
+    config.readfp(f)
     f.close()
-    HOST, PORT, SERVER_MESSAGE = ast.literal_eval(data)
 except:
-    print "could not read /etc/electrum.conf"
-    SERVER_MESSAGE = "Welcome to Electrum"
-    HOST = 'ecdsa.org'
-    PORT = 50000
-
-
+    print "Could not read electrum.conf. I will use the dafault values."
 
+stopping = False
+block_number = -1
 sessions = {}
 sessions_last_time = {}
 dblock = thread.allocate_lock()
 
+peer_list = {}
 
 class MyStore(Datastore_class):
 
@@ -268,8 +278,8 @@ class MyStore(Datastore_class):
 
 
 def send_tx(tx):
-    import bitcoinrpc
-    conn = bitcoinrpc.connect_to_local()
+    import bitcoin
+    conn = bitcoin.connect_to_local()
     try:
         v = conn.importtransaction(tx)
     except:
@@ -278,15 +288,17 @@ def send_tx(tx):
 
 
 def listen_thread(store):
-
     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-    s.bind((HOST, PORT))
+    s.bind((config.get('server','host'), config.getint('server','port')))
     s.listen(1)
-    while True:
+    while not stopping:
         conn, addr = s.accept()
         thread.start_new_thread(client_thread, (addr, conn,))
 
+def random_string(N):
+    import random, string
+    return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
 
 def client_thread(ipaddr,conn):
     #print "client thread", ipaddr
@@ -309,11 +321,9 @@ def client_thread(ipaddr,conn):
             return
 
         if cmd=='b':
-            out = "%d"%store.get_block_number(1)
-
+            out = "%d"%block_number
         elif cmd=='session':
-            import random, string
-            session_id = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(10))
+            session_id = random_string(10)
             try:
                 addresses = ast.literal_eval(data)
             except:
@@ -326,7 +336,7 @@ def client_thread(ipaddr,conn):
             sessions[session_id] = {}
             for a in addresses:
                 sessions[session_id][a] = ''
-            out = repr( (session_id, SERVER_MESSAGE) )
+            out = repr( (session_id, config.get('server','banner')) )
             sessions_last_time[session_id] = time.time()
 
         elif cmd=='poll': 
@@ -344,7 +354,7 @@ def client_thread(ipaddr,conn):
                     if last_status != status:
                         sessions[session_id][addr] = status
                         ret[addr] = status
-                out = repr( (store.get_block_number(1), ret ) )
+                out = repr( (block_number, ret ) )
 
         elif cmd == 'h': 
             # history
@@ -353,11 +363,25 @@ def client_thread(ipaddr,conn):
             out = repr(h)
 
         elif cmd == 'load': 
-            out = repr( len(sessions) )
+            if config.get('server','password') == data:
+                out = repr( len(sessions) )
+            else:
+                out = 'wrong password'
 
         elif cmd =='tx':        
-            # transaction
             out = send_tx(data)
+
+        elif cmd == 'stop':
+            global stopping
+            if config.get('server','password') == data:
+                stopping = True
+                out = 'ok'
+            else:
+                out = 'wrong password'
+
+        elif cmd == 'peers':
+            out = repr(peer_list.values())
+
         else:
             out = None
 
@@ -377,7 +401,7 @@ ds = BCDataStream.BCDataStream()
 
 def memorypool_update(store):
 
-    conn = bitcoinrpc.connect_to_local()
+    conn = bitcoin.connect_to_local()
     try:
         v = conn.getmemorypool()
     except:
@@ -401,7 +425,7 @@ def memorypool_update(store):
 
 
 def clean_session_thread():
-    while 1:
+    while not stopping:
         time.sleep(30)
         t = time.time()
         for k,t0 in sessions_last_time.items():
@@ -411,6 +435,48 @@ def clean_session_thread():
                 sessions_last_time.pop(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 '+config.get('server','host')+' '+NICK+' bla :'+NICK+'\n') 
+            s.send('NICK '+NICK+'\n')
+            s.send('JOIN #electrum\n')
+            t = 0
+            while not stopping:
+                line = s.recv(2048)
+                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')
+                    try:
+                        k2 = line.index('366')
+                    except:
+                        continue
+                    for item in line[k+1:k2]:
+                        if item[0:2] == 'E_':
+                            s.send('USERHOST %s\n'%item)
+                elif '302' in line: # answer to /userhost
+                    k = line.index('302')
+                    m = re.match( "^:(.*?)=\+~(.*?)@(.*?)$", line[k+2] )
+                    if m:
+                        name = m.group(1)
+                        host = m.group(2)
+                        ip = m.group(3)
+                        peer_list[name] = (ip,host)
+                elif time.time() - t > 5*60:
+                    s.send('NAMES #electrum\n')
+                    t = time.time()
+        except:
+            traceback.print_exc(file=sys.stdout)
+        finally:
+            s.close()
+
 
 import traceback
 
@@ -418,10 +484,16 @@ import traceback
 if __name__ == '__main__':
 
     if len(sys.argv)>1:
-        request = sys.argv[1]
-        request += "#"
+        cmd = sys.argv[1]
+        if cmd == 'load':
+            request = "('load','%s')#"%config.get('server','password')
+        elif cmd == 'peers':
+            request = "('peers','')#"
+        elif cmd == 'stop':
+            request = "('stop','%s')#"%config.get('server','password')
+
         s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
-        s.connect(( HOST, PORT))
+        s.connect((config.get('server','host'), config.getint('server','port')))
         s.send( request )
         out = ''
         while 1:
@@ -436,21 +508,24 @@ if __name__ == '__main__':
     print "starting Electrum server"
     conf = DataStore.CONFIG_DEFAULTS
     args, argv = readconf.parse_argv( [], conf)
-    args.dbtype='psycopg2'
-    args.connect_args = {"database":"abe"}
+    args.dbtype= config.get('database','type')
+    args.connect_args = {'database' : config.get('database','database') }
     store = MyStore(args)
 
     thread.start_new_thread(listen_thread, (store,))
     thread.start_new_thread(clean_session_thread, ())
+    thread.start_new_thread(irc_thread, ())
 
-    while True:
+    while not stopping:
         try:
             dblock.acquire()
             store.catch_up()
             memorypool_update(store)
+            block_number = store.get_block_number(1)
             dblock.release()
         except:
             traceback.print_exc(file=sys.stdout)
-            print "continuing..."
         time.sleep(10)
 
+    print "server stopped"
+