tupdate servers separately - electrum - Electrum Bitcoin wallet
 (HTM) git clone https://git.parazyd.org/electrum
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       ---
 (DIR) commit bbf64b675faae8da7d62e04ceaa6e260ca24c51a
 (DIR) parent 80a6706343bdfea87b573314281dc47514fc6c34
 (HTM) Author: thomasv <thomasv@gitorious>
       Date:   Wed,  8 Feb 2012 15:59:47 +0100
       
       update servers separately
       
       Diffstat:
         M client/interface.py                 |      40 ++++++++++++++++++++-----------
       
       1 file changed, 26 insertions(+), 14 deletions(-)
       ---
 (DIR) diff --git a/client/interface.py b/client/interface.py
       t@@ -25,8 +25,9 @@ import thread, traceback, sys, time
        
        class Interface:
            def __init__(self):
       -        self.servers = ['ecdsa.org','electrum.novit.ro']  # list of default servers
       -        self.host = random.choice( self.servers )         # random choice when the wallet is created
       +        self.default_servers = ['ecdsa.org','electrum.novit.ro']  # list of default servers
       +        self.host = random.choice( self.default_servers )         # random choice when the wallet is created
       +        self.servers = []                                         # actual list from IRC
                self.rtime = 0
                self.blocks = 0 
                self.message = ''
       t@@ -59,7 +60,8 @@ class Interface:
                t1 = time.time()
                request = repr ( (cmd, params) ) + "#"
                s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
       -        s.connect(( self.host, self.port))
       +        s.settimeout(2)
       +        s.connect(( self.host if cmd!='peers' else self.peers_server, self.port) )
                s.send( request )
                out = ''
                while 1:
       t@@ -79,7 +81,7 @@ class Interface:
                t1 = time.time()
                data = { 'method':method, 'id':'jsonrpc', 'params':params }
                data_json = json.dumps(data)
       -        host = 'http://%s:%d'%(self.host,self.port)
       +        host = 'http://%s:%d'%( self.host if cmd!='peers' else self.peers_server, self.port )
                req = urllib2.Request(host, data_json, {'content-type': 'application/json'})
                response_stream = urllib2.urlopen(req)
                response = json.loads( response_stream.read() )
       t@@ -116,9 +118,23 @@ class Interface:
                out = self.handler('session.update', [ self.session_id, addresses ] )
                return out
            
       -    def get_servers(self):
       -        out = self.handler('peers')
       -        self.servers = map( lambda x:x[1], out )
       +    def update_servers_thread(self):
       +        # if my server is not reachable, I should get the list from one of the default servers
       +        # requesting servers could be an independent process
       +        while True:
       +            for server in self.default_servers:
       +                try:
       +                    self.peers_server = server
       +                    out = self.handler('peers')
       +                    self.servers = map( lambda x:x[1], out )
       +                    # print "Received server list from %s" % self.peers_server, out
       +                    break
       +                except socket.timeout:
       +                    continue
       +                except socket.error:
       +                    continue
       +
       +            time.sleep(5*60)
        
            def poll_interval(self):
                return 15 if self.use_http() else 5
       t@@ -141,7 +157,7 @@ class Interface:
                else:
                    return False
        
       -    def update_thread(self, wallet):
       +    def update_wallet_thread(self, wallet):
                while True:
                    try:
                        self.is_connected = False
       t@@ -156,17 +172,12 @@ class Interface:
                        time.sleep(self.poll_interval())
                        continue
        
       -            get_servers_time = 0
                    while True:
                        try:
                            if self.is_connected and self.update_session:
                                self.update_session( wallet.all_addresses() )
                                self.update_session = False
        
       -                    if time.time() - get_servers_time > 5*60:
       -                        self.get_servers()
       -                    get_servers_time = time.time()
       -
                            # define a method to update the list
                            if self.update_wallet(wallet):
                                self.update_session( wallet.all_addresses() )
       t@@ -187,4 +198,5 @@ class Interface:
                        
        
            def start(self, wallet):
       -        thread.start_new_thread(self.update_thread, (wallet,))
       +        thread.start_new_thread(self.update_wallet_thread, (wallet,))
       +        thread.start_new_thread(self.update_servers_thread, ())