コード例 #1
0
def hover(event):
    global moves

    canvas = event.widget
    ids = canvas.find_overlapping(event.x - 2, event.y - 2, event.x + 2, event.y + 2)
    for id in ids:
        host = Host.ovaltohost.get(canvas.items.get(id))
        if host:
            time.sleep(TF * 0.1)
            text = '%s:%s (%s files)' % (
                host.addr, host.port, host.files)
            if hasattr(host, 'kb'):
                other = host.counts.get('other', 0)
                pong = host.counts.get('pong', 0)
                query = host.counts.get('query', 0)
                text = '%s:%s (%s files, %s kb)\n' % (
                    host.addr, host.port, host.files, host.kb) + \
                    '%d messages (%d queries, %d pongs)' % (
                    other + pong + query, query, pong)
            canvas.itemconfig(info, text=text)
            canvas.tkraise(info)
            host.flash('pink')
            moves = 5
            break
    else:
        if moves > 0:
            moves = moves - 1
            if moves == 0:
                canvas.itemconfig(info, text='')
                canvas.tkraise(info)
コード例 #2
0
def click(event):
    canvas = event.widget
    ids = canvas.find_overlapping(event.x - 2, event.y - 2, event.x + 2, event.y + 2)
    for id in ids:
        host = Host.ovaltohost.get(canvas.items.get(id))
        if host:
            try: host.conn.query(TESTKEY, ttl=2)
            except (IOError, AttributeError): pass
            time.sleep(TF * 0.1)
            host.flash('red')
            break
コード例 #3
0
def check():
    global newcenter, nthreads
    showthreads()

    while workqueue and nthreads < MAXTHREADS:
        (src, host, port) = workqueue.pop(0)
        conn = gnut.ThrConn(host, port)
        try:
            conn.setDaemon(1)
            conn.start()
        except:
            # print 'threading error', sys.exc_info()
            workqueue.insert(0, (src, host, port))
            # print 'think', nthreads
            # nthreads = len(threading.enumerate()) - 1
            # print 'actual', nthreads
            # print 'threads:', threading.enumerate()
            break
        # nthreads = nthreads + 1
        src.attempttime = time.time()
        src.init(conn)
        # print 'spawn', src
    canvas.update()

    for host in hosts.values():
        if host.state in (Host.DROPPED, Host.REFUSED): continue
        if newcenter: break

        if host.conn and host.conn.messages:
            for msg in host.conn.messages:
                if isinstance(msg, gnut.Query) and msg.key == TESTKEY:
                    host.flash('red')
                    canvas.itemconfig(info, text=
                        'query echo from %s' % host.addr)
                    canvas.tkraise(info)
            if host.conn.isAlive():
                messages = host.conn.get(1)
            else:
                messages = filter(lambda msg: isinstance(msg, gnut.Pong),
                                  host.conn.get())[:10]
                host.conn.messages = []
                                  
            if messages:
                for msg in messages:
                    if isinstance(msg, gnut.Pong):
                        host.count('pong')
                        if msg.addr in ['127.0.0.1', '0.0.0.0']: continue
                        src = hosts.get(msg.addr)
                        if src:
                            src.resize(msg.files)
                            src.join(host)
                        else:
                            src = Host(canvas, msg.addr, msg.files, host)
                            src.kb = msg.kb
                            src.port = msg.port
                            top.arrange()
                            hosts[msg.addr] = src
                            workqueue.append((src, msg.addr, msg.port))
                    elif isinstance(msg, gnut.Query):
                        host.count('query')
                        if msg.key == TESTKEY:
                            host.flash('red')
                            canvas.itemconfig(info, text=
                                'query echo from %s' % host.addr)
                            canvas.tkraise(info)
                        host.gotquery(msg.key)
                        if msg.key and 32 <= ord(msg.key[0]) < 127:
                            key = string.join(string.split(msg.key, '\x00'), '')
                            querylist.append(key)
                            text = string.join(querylist[-60:], '\n')
                            canvas.itemconfig(queries, text=text)
                    else:
                        host.count('other')
                canvas.update()
                time.sleep(TF * 0.05)

        if host.state == Host.CONNECTING:
            if host.conn.connected:
                nthreads = nthreads + 1
                showthreads()
                host.connecttime = time.time()
                host.connect()
                try: host.conn.ping(ttl=2)
                except IOError: pass

        if host.conn and not host.conn.isAlive() and not host.conn.messages:
            # print 'terminated', host
            if host.state == Host.CONNECTED:
                host.drop()
            elif host.conn.error:
                errmsg = string.lower(host.conn.error[1].args[-1])
                if host.state == Host.CONNECTING:
                    if string.find(errmsg, 'refused') >= 0:
                        host.refuse()
                    else:
                        host.delete()
                        del hosts[host.conn.host]
            nthreads = nthreads - 1

    if nthreads > MAXTHREADS - 5:
        def cmptime(a, b, now=time.time()):
            at = a.__dict__.get('attempttime', now)
            bt = a.__dict__.get('attempttime', now)
            return cmp(at, bt)

        h = filter(lambda h: h.conn and h.conn.isAlive() and
                             not h.conn.opening and not h.conn.closing,
                   hosts.values())
        h.sort(cmptime)
        for old in h[:nthreads - (MAXTHREADS - 5)]:
            print 'killing off', old, old.conn.incollect, old.conn.inselect, \
                old.conn.looping, old.conn.loopcount, old.conn.opening
            old.conn.close()

    if newcenter:
        recenter(newcenter)
        newcenter = None

    lock = 0
    canvas.tk.createtimerhandler(timestep * TF, check)