本文整理汇总了Python中memory.Memory.alloc方法的典型用法代码示例。如果您正苦于以下问题：Python Memory.alloc方法的具体用法？Python Memory.alloc怎么用？Python Memory.alloc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memory.Memory的用法示例。
在下文中一共展示了Memory.alloc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: Memory
# 需要导入模块: from memory import Memory [as 别名]
# 或者: from memory.Memory import alloc [as 别名]
from memory import Memory
m = Memory()
r = m.alloc("xyz", 14)
print r
print m
r = m.alloc("abc", 12)
print r
print m
r = m.read("xyz", 4, 5)
print r
print m
r = m.deleteFile("xyz")
print r
print m
r = m.deleteFile("abc")
print r
print m
示例2: set
# 需要导入模块: from memory import Memory [as 别名]
# 或者: from memory.Memory import alloc [as 别名]
class Server:
backlog = 5
# this set will serve as a filesystem index
files = set()
def __init__(self, port):
# creates server object
global blocksize, n_blocks
path = ".storage"
try:
os.makedirs(path)
except OSError as exception:
shutil.rmtree(path)
os.makedirs(path)
host = ""
self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.s.bind((host, port))
self.port = port
self.memory = Memory(n_blocks, blocksize)
print "Block size is", blocksize
print "Number of blocks is", n_blocks
def process_line(self, client):
# recv's until \n
recieved = ""
while True:
cur = client.recv(1)
if cur == "\n":
break
elif not cur:
return cur
else:
recieved += cur
return recieved
def listen(self):
# Handles initial client connections and thread creation
self.s.listen(self.backlog)
print "Listening on port", self.port
while True:
client, address = self.s.accept()
print "Received incoming connection from", address[0]
cmd = self.process_line(client)
thread = threading.Thread(target=self.handler, args=(cmd, client))
thread.start()
# the following functions implement the server functionality requested
def store(self, client, args):
thread = str(threading.current_thread().ident)
if len(args) != 3:
client.send("ERROR: INVALID COMMAND.\n")
print "[thread", thread + "] Sent: ERROR: INVALID COMMAND."
return
args[2] = int(args[2])
if args[1] in self.files:
client.send("ERROR: FILE EXISTS.\n")
print "[thread", thread + "] Sent: ERROR: FILE EXISTS."
data = client.recv(args[2]) # can we assume data will be sent regardless of error?
return
response = self.memory.alloc(args[1], args[2])
if not response[0]:
client.send("ERROR: INSUFFICIENT DISK SPACE.\n")
print "[thread", thread + "] Sent: ERROR: INSUFFICIENT DISK SPACE."
data = client.recv(args[2]) # can we assume data will be sent regardless of error?
return
# actually do the storing stuff
data = client.recv(args[2])
f = open(".storage/" + args[1], "w")
f.write(data)
self.files.add(args[1])
print "[thread", thread + "] Stored file '%s' (%s bytes; %s blocks; %s" % response, (
"cluster" if response[3] == 1 else "cluster"
) + ")"
print "[thread", thread + "] Simulated Clustered Disk Space Allocation:"
print self.memory
client.send("ACK\n")
print "[thread", thread + "] Sent: ACK"
def read(self, client, args):
thread = str(threading.current_thread().ident)
if len(args) != 4:
client.send("ERROR: INVALID COMMAND.\n")
print "[thread", thread + "] Sent: ERROR: INVALID COMMAND."
return
if args[1] not in self.files:
client.send("ERROR: NO SUCH FILE.\n")
print "[thread", thread + "] Sent: ERROR: NO SUCH FILE."
return
args[2] = int(args[2])
args[3] = int(args[3])
data = open(".storage/" + args[1], "r").read()
if args[2] + args[3] > len(data) or args[2] < 0 or args[3] < 0:
client.send("ERROR: INVALID BYTE RANGE.\n")
print "[thread", thread + "] Sent: ERROR: INVALID BYTE RANGE."
return
# TODO: (1) Memory dump / print output
result = "ACK " + str(args[3]) + "\n" + data[args[2] : args[2] + args[3]]
print "[thread", thread + "] Sent: ACK", args[3]
client.send(result)
response = self.memory.read(args[1], args[2], args[3])
#.........这里部分代码省略.........