本文整理汇总了Python中channel.Channel.unicast方法的典型用法代码示例。如果您正苦于以下问题：Python Channel.unicast方法的具体用法？Python Channel.unicast怎么用？Python Channel.unicast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.unicast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: Process
# 需要导入模块: from channel import Channel [as 别名]
# 或者: from channel.Channel import unicast [as 别名]
class Process(multiprocessing.Process):
"""
This process could take arguments from command line and execute unicast/multicast actions.
It can also receive messages from its channel.
"""
def __init__(self, id, ordering):
super(Process, self).__init__() # call __init__ from multiprocessing.Process
self.id = id
# Read config from file
self.process_info, self.addr_dict = configreader.get_processes_info()
address = self.process_info[id]
ip, port = address[0], address[1]
print(ip, port)
# Init a socket
self.socket = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.socket.bind(address)
# Init channel
# Causal Order Channel
if ordering == 'causal':
print 'causal ordering'
self.channel = CausalOrderChannel(self, self.id, self.socket, self.process_info, self.addr_dict)
elif ordering == 'total':
print 'total ordering'
# Total Order Channel
if id == 1:
# Select process 1 to be the sequencer
self.channel = TotalOrderChannel(self, self.id, self.socket, self.process_info, self.addr_dict, True)
else:
self.channel = TotalOrderChannel(self, self.id, self.socket, self.process_info, self.addr_dict)
else:
# Regular channel
print 'no ordering'
self.channel = Channel(self, self.id, self.socket, self.process_info, self.addr_dict)
def run(self):
while True:
data, address = self.socket.recvfrom(4096)
self.channel.recv(data, address)
def unicast_receive(self, source, message):
print (message.receive_str())
def unicast(self, destination, message):
self.channel.unicast(message, destination)
def multicast(self, message):
self.channel.multicast(message)示例2: Client
# 需要导入模块: from channel import Channel [as 别名]
# 或者: from channel.Channel import unicast [as 别名]
class Client(multiprocessing.Process):
"""
a client sends requests to a server
"""
def __init__(self, client_id, serverID):
super(Client, self).__init__() # call __init__ from multiprocessing.Process
self.serverID = serverID - 1 # (0,9)
self.client_id = client_id
"""
Read config from file
process_info[id] = (ip, port)
addr_dict[(ip, port)] = id
"""
self.process_info, self.addr_dict = configreader.get_processes_info()
self.total_server = configreader.get_total_servers()
self.address = self.process_info[self.serverID+1]
self.ip, self.port = self.address[0], self.address[1]
self.batch_cmd = ''
self.client_id = client_id
self.reconnect_try = 0
"""
init TCP connect to server
"""
self.address = self.process_info[self.serverID+1]
self.ip, self.port = self.address[0], self.address[1]
for res in socket.getaddrinfo(self.ip, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
self.socket = socket.socket(af, socktype, proto) # build a socket
except socket.error as msg:
self.socket = None
continue
try:
self.socket.connect(sa) # connect to socket
except socket.error as msg:
self.socket.close()
self.socket = None
continue
break
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)
def socketTCP(self):
self.address = self.process_info[self.serverID+1]
self.ip, self.port = self.address[0], self.address[1]
for res in socket.getaddrinfo(self.ip, self.port, socket.AF_UNSPEC, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
self.socket = socket.socket(af, socktype, proto) # build a socket
except socket.error as msg:
self.socket = None
continue
try:
self.socket.connect(sa) # connect to socket
except socket.error as msg:
self.socket.close()
self.socket = None
continue
break
if self.socket is None:
print('could not open socket')
else:
print("successfully connected to server %d" % (self.serverID+1))
def channelSet(self):
self.channel = Channel(self, self.client_id, self.socket, self.process_info, self.addr_dict)
# sys.exit(1)
"""
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 KeyboardInterrupt:
print("CTRL C occured")
except:
print("Disconnected from server")
# ====
# choose another server if the connected server is crashed
# handle server crash: pick a server with higher id
# relaunch run()
# ====
#.........这里部分代码省略.........