Exemplo n.º 1
0
def sendControlMessage(stage, s_conf, msg):
    drainSocketIncoming(s_conf)
    ntries = 8
    while True:
        if ntries <= 0:
            sys.stderr.write('%s: cannot configure tested process\n' \
                    % (stage,))
            raise ControlTimeoutError('timeout waiting for control response')
        ntries -= 1
        s_conf.sendto(msg, ('127.0.0.1', NMON_CTL_PORT))
        s_conf.settimeout(1.0)
        try:
            resp, respaddr = s_conf.recvfrom(65535)
            print 'resplen =', len(resp)
            print 'respaddr =', respaddr
            hexdump(resp)
            if resp[0:8] != 'MMCS.ACR':
                print 'Weird response (bad signature), ignoring'
                continue
            if resp[8:50] != msg[8:50]:
                print 'Weird response (not to my request), ignoring'
                continue
            break
        except Exception, e:
            print 'Exception', e
Exemplo n.º 2
0
def waitForDataMessage(stage, s_data, cookie):
    drainSocketIncoming(s_data)
    ntries = 8
    while True:
        if ntries <= 0:
            sys.stderr.write('%s: timeout' % (stage,))
            raise RuntimeError('test failed')
        ntries -= 1
        s_data.settimeout(5.0)
        msg, msgaddr = s_data.recvfrom(65535)
        print 'msglen = ', len(msg)
        print 'msgaddr =', msgaddr
        hexdump(msg[0:54])
        if not msg.startswith('MMCS.NAG'):
            print 'Unknown message, retrying'
            continue
        if len(msg) < 54:
            print 'Too short message, retrying'
            continue
        rck = struct.unpack('>L', msg[38:42])[0]
        if rck != cookie:
            print 'Invalid cookie (wanted %s, see %s), retrying' \
                    % (cookie, rck,)
            continue
        return msg
Exemplo n.º 3
0
def sendControlMessage(stage, s_conf, msg):
    drainSocketIncoming(s_conf)
    ntries = 5
    while True:
        if ntries <= 0:
            sys.stderr.write('FATAL: %s: cannot configure tested process\n' \
                    % (stage,))
            raise RuntimeError('test failed')
        ntries -= 1
        s_conf.sendto(msg, ('127.0.0.1', NMON_CTL_PORT))
        s_conf.settimeout(2.0)
        try:
            resp, respaddr = s_conf.recvfrom(65535)
            print 'resplen =', len(resp)
            print 'respaddr =', respaddr
            hexdump(resp)
            if resp[0:8] != 'MMCS.ACR':
                print 'Weird response, ignoring'
                continue
            break
        except Exception, e:
            print 'Exception', e