def setup_timeout(self, ID=0):
Time = time.time()
Times = struct.pack('d',Time)
if ID == 0: ID = random.getrandbits(32) # ID size in bits
ping.data_ping(self.socket,self.server[1],ID,Times)
msg = ping.read_ping(self.socket,self.timeout())
if not msg: raise Exception('PingServer::setup_timeout: no valid response from '+self.server[0])
addr,rID,data = msg['address'],msg['ID'],msg['payload']
log.debug("Addr=%s rID=%d Data=%d bytes"%(addr[0],rID,len(data)))
if len(data) == 0: raise Exception('PingServer::setup_timeout: null response from '+self.server[0])
if rID != ID: raise Exception('PingServer::setup_timeout: invalid response id from '+self.server[0])
if data != Times: raise Exception('PingServer::setup_timeout: invalid response data from '+self.server[0])
if addr[0] != self.server[1]: raise Exception('PingServer::setup_timeout: invalid response server from '+self.server[0])
delay = time.time() - Time
log.notice('echo delay: %.02fms'%(1000*delay))
def setup_block(self, ID = 0):
if ID == 0: ID = random.getrandbits(32) # ID size in bits
Fill = chr(random.getrandbits(8)) # repeated data
Filler = self.block_size * Fill
ping.data_ping(self.socket,self.server[1],ID,Filler)
msg = ping.read_ping(self.socket,self.timeout())
if not msg: raise Exception('PingServer::setup_block: no valid response from '+self.server[0])
addr,rID,data = msg['address'],msg['ID'],msg['payload']
log.debug("Addr=%s rID=%d Data=%d bytes"%(addr[0],rID,len(data)))
if len(data) == 0: raise Exception('PingServer::setup_block: null response from '+self.server[0])
if rID != ID: raise Exception('PingServer::setup_block: invalid response id from '+self.server[0])
if data != len(data)*Fill: raise Exception('PingServer::setup_block: invalid response data from '+self.server[0])
if addr[0] != self.server[1]: raise Exception('PingServer::setup_block: invalid response server from '+self.server[0])
self.block_size = len(data)
self.empty_block = self.null_block()
log.notice('echo length: %d bytes'%self.block_size)