本文整理汇总了Python中channel.Channel.unicastTCP方法的典型用法代码示例。如果您正苦于以下问题：Python Channel.unicastTCP方法的具体用法？Python Channel.unicastTCP怎么用？Python Channel.unicastTCP使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类channel.Channel的用法示例。
在下文中一共展示了Channel.unicastTCP方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Client
# 需要导入模块: from channel import Channel [as 别名]
# 或者: from channel.Channel import unicastTCP [as 别名]
#.........这里部分代码省略.........
if self.socket is None:
print('could not open socket')
sys.exit(1)
"""
Init unicast channel
"""
print("client, no ordering")
# pass Client obj as arg to Channel
self.channel = Channel(self, self.client_id, self.socket, self.process_info, self.addr_dict)
"""
override run(), receiving message from server
"""
def run(self):
try:
while True:
data, address = self.socket.recvfrom(4096)
print("get server message: ", data, address)
# break if connected server crashed
if not data: break
self.channel.recv(data)
except:
print("run() Exceptions")
finally:
print("exit client thread")
if self.socket != None:
self.socket.close()
self.socket = None
with self.socket_status.get_lock():
self.socket_status.value = 0 # set socket_status to be not available
"""
handle 'delay'
addBatchCmd keeps adding commands
"""
def addBatchCmd(self):
print("addBatchCmd...")
try:
while True:
self.batch_cmd += input()
except:
pass
"""
handle 'delay'
executeBatchCmd execute each command line received during delay
"""
def executeBatchCmd(self):
print("executeBatchCmd...")
if (self.batch_cmd):
for cmd in self.batch_cmd.splitlines():
self.parseCommand(cmd)
self.batch_cmd = ''
"""
execute user commands from std-input
"""
def parseCommand(self, cmd):
print("parseCommand...")
socket_status = 0
with self.socket_status.get_lock():
socket_status = self.socket_status.value
if socket_status == 1: # if socket is still connected
serverID = 0
with self.server_id.get_lock():
serverID = self.server_id.value
print("serverID ", str(serverID))
cmd_args = cmd.split()
# write value to variable
if cmd_args[0] == "put" and len(cmd_args) == 3:
var_name, value = cmd_args[1], int(cmd_args[2])
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(serverID, message)
# get variable's value and print to stdout
elif cmd_args[0] == "get" and len(cmd_args) == 2:
var_name = cmd_args[1]
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(serverID, message)
# delay input to allow a batch of commands
elif cmd_args[0] == "delay" and len(cmd_args) == 2:
sleep_time = float(cmd_args[1])
t_batchCmd = multiprocessing.Process(target = self.addBatchCmd, args=())
t_batchCmd.start()
# wait until thread timeout
time.sleep(sleep_time / 1000.0)
t_batchCmd.terminate()
print("timeout")
self.executeBatchCmd()
# requests server to print all variables to stdout
elif cmd_args[0] == "dump" and len(cmd_args) == 1:
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(serverID, message)
else:
print("command not understood, enter new command:")
return 1 # return server available signal to main
else:
return 0 # return server crash signal to main示例2: Client
# 需要导入模块: from channel import Channel [as 别名]
# 或者: from channel.Channel import unicastTCP [as 别名]
#.........这里部分代码省略.........
# relaunch run()
# ====
finally:
print("exit client thread")
if self.socket != None: self.socket.close()
if (self.reconnect_try < self.total_server * 10):
print("Trying to connect to next server...")
self.reconnect_try += 1
self.serverID = (self.serverID + 1) % (self.total_server)
print("Trying to connect to next server %d" % (self.serverID+1))
self.socketTCP()
self.channelSet()
self.run()
else:
print("Hit maximum attempts, please enter 'exit'")
# except:
# ====
# choose another server if the connected server is crashed
# handle server crash: pick a server with higher id
# relaunch run()
# ====
# print("Disconnected from server")
# try:
# self.serverID = (self.serverID + 1) % self.total_server
# self.run()
# except:
# print("cannot connect to server")
"""
unicast_receive(int, Message)
"""
# def unicast_receive(self, source, message):
# print (message.receive_str())
"""
unicast(int, Message)
"""
def unicast(self, destination, message):
self.channel.unicast(message, destination)
"""
handle 'delay'
addBatchCmd keeps adding commands
"""
def addBatchCmd(self):
print("addBatchCmd...")
try:
while True:
self.batch_cmd += raw_input()
except:
print("timeout")
"""
handle 'delay'
executeBatchCmd execute each command line received during delay
"""
def executeBatchCmd(self):
print("executeBatchCmd...")
if (self.batch_cmd):
for cmd in self.batch_cmd.splitlines():
self.parseCommand(cmd)
self.batch_cmd = ''
"""
execute user commands from std-input
"""
def parseCommand(self, cmd):
cmd_args = cmd.split()
# write value to variable
if cmd_args[0] == "put" and len(cmd_args) == 3:
var_name, value = cmd_args[1], int(cmd_args[2])
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(self.serverID, message)
# get variable's value and print to stdout
elif cmd_args[0] == "get" and len(cmd_args) == 2:
var_name = cmd_args[1]
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(self.serverID, message)
# delay input to allow a batch of commands
elif cmd_args[0] == "delay" and len(cmd_args) == 2:
sleep_time = float(cmd_args[1])
# t_batchCmd = Thread(target = self.addBatchCmd, args=())
# t_batchCmd.start()
t_batchCmd = multiprocessing.Process(target=self.addBatchCmd, args=())
t_batchCmd.start()
# wait until thread timeout
time.sleep(sleep_time / 1000.0)
# t_batchCmd.join(sleep_time / 1000.0)
t_batchCmd.terminate()
self.executeBatchCmd()
# requests server to print all variables to stdout
elif cmd_args[0] == "dump" and len(cmd_args) == 1:
message = str(self.client_id) + " " + cmd
self.channel.unicastTCP(self.serverID, message)
else:
print("command not understood, enter new command:")