重构python客户端,提升查询性能,兼容python2.x,3.x

This commit is contained in:
Koma 2018-10-04 11:39:49 +08:00
parent a2d250919d
commit 593aba66d8
5 changed files with 188 additions and 462 deletions

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@ -0,0 +1,49 @@
#-*- coding:utf-8 -*-
"""
" ip2region python seacher client module benchmark test file
"
" Autho: koma<komazhang@foxmail.com>
" Date : 2018-10-04
"""
import threading
import time
from ip2Region import Ip2Region
class BeachmarkThread(threading.Thread):
__searcher = None
__lock = None
def __init__(self, searcher, lock):
self.__searcher = searcher
self.__lock = lock
threading.Thread.__init__(self)
def run(self):
self.__lock.acquire()
try:
sTime = time.time() * 1000
data = self.__searcher.memorySearch("49.220.138.233")
eTime = time.time() * 1000
print("%s|%s in %5f millseconds" % (data["city_id"], data["region"].decode('utf-8'), eTime - sTime))
finally:
self.__lock.release()
if __name__ == "__main__":
threads = []
searcher = Ip2Region("/data/ip2region/data/ip2region.db")
lock = threading.Lock()
for i in range(10000):
t = BeachmarkThread(searcher, lock)
threads.append(t)
sTime = time.time() * 1000
for t in threads:
t.start()
for t in threads:
t.join()
eTime = time.time() * 1000
print("Beachmark done: %5f" % (eTime - sTime))

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@ -8,12 +8,17 @@
import struct, io, socket, sys
class Ip2Region(object):
__headerSip = []
__headerPtr = []
__f = None
__sPtr = 0
__indexLen = 0
__dbBinStr = ''
__INDEX_BLOCK_LENGTH = 12
__TOTAL_HEADER_LENGTH = 8192
__f = None
__headerSip = []
__headerPtr = []
__headerLen = 0
__indexSPtr = 0
__indexLPtr = 0
__indexCount = 0
__dbBinStr = ''
def __init__(self, dbfile):
self.initDatabase(dbfile)
@ -26,35 +31,30 @@ class Ip2Region(object):
if not ip.isdigit(): ip = self.ip2long(ip)
if self.__dbBinStr == '':
self.__dbBinStr = self.__f.read() #read all the contents in file
self.__sPtr = self.getLong(self.__dbBinStr, 0)
endPtr = self.getLong(self.__dbBinStr, 4)
self.__indexLen = endPtr - self.__sPtr
self.__dbBinStr = self.__f.read() #read all the contents in file
self.__indexSPtr = self.getLong(self.__dbBinStr, 0)
self.__indexLPtr = self.getLong(self.__dbBinStr, 4)
self.__indexCount = int((self.__indexLPtr - self.__indexSPtr)/self.__INDEX_BLOCK_LENGTH)+1
startPtr = self.__sPtr
indexLen = self.__indexLen
dbBinStr = self.__dbBinStr
l, h, mixPtr = (0, int(indexLen/12), 0)
l, h, dataPtr = (0, self.__indexCount, 0)
while l <= h:
m = int((l+h)/2)
ptr = startPtr + m*12
m = int((l+h) >> 1)
p = self.__indexSPtr + m*self.__INDEX_BLOCK_LENGTH
sip = self.getLong(self.__dbBinStr, p)
sip = self.getLong(dbBinStr, ptr)
eip = self.getLong(dbBinStr, ptr+4)
if ip >= sip:
if ip > eip:
l = m + 1
else:
mixPtr = self.getLong(dbBinStr, ptr+8)
break;
if ip < sip:
h = m -1
else:
h = m - 1
eip = self.getLong(self.__dbBinStr, p+4)
if ip > eip:
l = m + 1;
else:
dataPtr = self.getLong(self.__dbBinStr, p+8)
break
if mixPtr == 0: return "N2"
if dataPtr == 0: raise Exception("Data pointer not found")
return self.returnData(mixPtr)
return self.returnData(dataPtr)
def binarySearch(self, ip):
"""
@ -63,41 +63,34 @@ class Ip2Region(object):
"""
if not ip.isdigit(): ip = self.ip2long(ip)
if self.__indexLen < 1:
if self.__indexCount == 0:
self.__f.seek(0)
b = self.__f.read(8)
self.__sPtr = self.getLong(b, 0)
endPtr = self.getLong(b, 4)
self.__indexLen = endPtr - self.__sPtr
superBlock = self.__f.read(8)
self.__indexSPtr = self.getLong(superBlock, 0)
self.__indexLPtr = self.getLong(superBlock, 4)
self.__indexCount = int((self.__indexLPtr - self.__indexSPtr) / self.__INDEX_BLOCK_LENGTH) + 1
startPtr = self.__sPtr
indexLen = self.__indexLen
self.__f.seek(startPtr)
b = self.__f.read(indexLen+12)
l, h, mixPtr = (0, int(indexLen/12), 0)
l, h, dataPtr = (0, self.__indexCount, 0)
while l <= h:
m = int((l+h)/2)
ptr = startPtr + m*12
self.__f.seek(ptr)
m = int((l+h) >> 1)
p = m*self.__INDEX_BLOCK_LENGTH
b = self.__f.read(12)
sip = self.getLong(b, 0)
eip = self.getLong(b, 4)
if ip >= sip:
self.__f.seek(self.__indexSPtr+p)
buffer = self.__f.read(self.__INDEX_BLOCK_LENGTH)
sip = self.getLong(buffer, 0)
if ip < sip:
h = m - 1
else:
eip = self.getLong(buffer, 4)
if ip > eip:
l = m + 1
else:
mixPtr = self.getLong(b, 8)
break;
else:
h = m - 1
dataPtr = self.getLong(buffer, 8)
break
if mixPtr == 0: return "N2"
if dataPtr == 0: raise Exception("Data pointer not found")
return self.returnData(mixPtr)
return self.returnData(dataPtr)
def btreeSearch(self, ip):
"""
@ -107,82 +100,81 @@ class Ip2Region(object):
if not ip.isdigit(): ip = self.ip2long(ip)
if len(self.__headerSip) < 1:
headerLen = 0
#pass the super block
self.__f.seek(8)
#read the header block
b = self.__f.read(8192)
b = self.__f.read(self.__TOTAL_HEADER_LENGTH)
#parse the header block
sip = None
ptr = None
for i in range(0, len(b)-1, 8):
for i in range(0, len(b), 8):
sip = self.getLong(b, i)
ptr = self.getLong(b, i+4)
if ptr == 0:
break
self.__headerSip.append(sip)
self.__headerPtr.append(ptr)
headerLen += 1
self.__headerLen = headerLen
headerLen = len(self.__headerSip) - 1
l, h, sptr, eptr = (0, headerLen, 0, 0)
l, h, sptr, eptr = (0, self.__headerLen, 0, 0)
while l <= h:
m = int((l+h)/2)
m = int((l+h) >> 1)
if ip == self.__headerSip[m]:
if m > 0:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
else:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
break
if ip > self.__headerSip[m]:
if m == headerLen:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
elif ip < self.__headerSip[m+1]:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
l = m + 1
else:
if ip < self.__headerSip[m]:
if m == 0:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
break
elif ip > self.__headerSip[m-1]:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
break
h = m - 1
else:
if m == self.__headerLen - 1:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break
elif ip <= self.__headerSip[m+1]:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break
l = m + 1
if sptr == 0: return "N1"
if sptr == 0: raise Exception("Index pointer not found")
indexLen = eptr - sptr
self.__f.seek(sptr)
b = self.__f.read(indexLen + 12)
index = self.__f.read(indexLen + self.__INDEX_BLOCK_LENGTH)
l, h, mixPtr = (0, int(indexLen/12), 0)
l, h, dataPrt = (0, int(indexLen/self.__INDEX_BLOCK_LENGTH), 0)
while l <= h:
m = int((l+h)/2)
offset = m * 12
m = int((l+h) >> 1)
offset = int(m * self.__INDEX_BLOCK_LENGTH)
sip = self.getLong(index, offset)
if ip >= self.getLong(b, offset):
if ip > self.getLong(b, offset+4):
l = m + 1
else:
mixPtr = self.getLong(b, offset+8)
break;
else:
if ip < sip:
h = m - 1
else:
eip = self.getLong(index, offset+4)
if ip > eip:
l = m + 1;
else:
dataPrt = self.getLong(index, offset+8)
break
if mixPtr == 0: return "N2"
if dataPrt == 0: raise Exception("Data pointer not found")
return self.returnData(mixPtr)
return self.returnData(dataPrt)
def initDatabase(self, dbfile):
"""
@ -191,18 +183,18 @@ class Ip2Region(object):
"""
try:
self.__f = io.open(dbfile, "rb")
except IOError, e:
print "[Error]: ", e
except IOError as e:
print("[Error]: %s" % e)
sys.exit()
def returnData(self, dsptr):
def returnData(self, dataPtr):
"""
" get ip data from db file by data start ptr
" param: dsptr
"""
dataPtr = dsptr & 0x00FFFFFFL
dataLen = (dsptr >> 24) & 0xFF
dataLen = (dataPtr >> 24) & 0xFF
dataPtr = dataPtr & 0x00FFFFFF
self.__f.seek(dataPtr)
data = self.__f.read(dataLen)
@ -213,7 +205,6 @@ class Ip2Region(object):
def ip2long(self, ip):
_ip = socket.inet_aton(ip)
return struct.unpack("!L", _ip)[0]
def isip(self, ip):
@ -228,13 +219,14 @@ class Ip2Region(object):
return True
def getLong(self, b, offset):
if len( b[offset:offset+4] ) == 4:
if len(b[offset:offset+4]) == 4:
return struct.unpack('I', b[offset:offset+4])[0]
return 0
def close(self):
self.__headerSip = None
if self.__f != None:
self.__f.close()
self.__dbBinStr = None
self.__headerPtr = None
self.__f.close()
self.__f = None
self.__headerSip = None

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@ -6,72 +6,76 @@
" Date : 2015-11-06
"""
import struct, sys, os, time
from platform import python_version
from ip2Region import Ip2Region
def testSearch():
"""
" ip2region test function
"""
llen = len(sys.argv)
argLen = len(sys.argv)
version = python_version()
algorithms = ["binary", "b-tree", "memory"]
if llen < 2:
print "Usage: python testSearcher.py [ip2region db file] [alrogrithm]"
print "Algorithm: binary or b-tree"
if argLen < 2:
print("Usage: python testSearcher.py [ip2region db file] [alrogrithm]")
print("Algorithm: %s" % ", ".join(algorithms))
return 0
dbFile = sys.argv[1]
method = 1
algorithm = "b-tree"
dbFile = sys.argv[1]
if (not os.path.isfile(dbFile)) or (not os.path.exists(dbFile)):
print "[Error]: Specified db file is not exists."
print("[Error]: Specified db file is not exists.")
return 0
if llen > 2:
if argLen > 2:
algorithm = sys.argv[2]
if algorithm == "binary":
method = 2
elif algorithm == "memory":
method = 3
try:
algorithms.index(algorithm)
except Exception as e:
algorithm = "b-tree"
print "initializing %s..." % (algorithm)
print "+----------------------------------+"
print "| ip2region test program |"
print "| Author: chenxin619315@gmail.com. |"
print "| Type 'quit' to exit program |"
print "+----------------------------------+"
print("initializing %s..." % (algorithm))
print("+----------------------------------+")
print("| ip2region test program |")
print("| Author: chenxin619315@gmail.com. |")
print("| Type 'quit' to exit program |")
print("+----------------------------------+")
searcher = Ip2Region(dbFile);
searcher = Ip2Region(dbFile)
while True:
line = raw_input("ip2region>> ")
if version[:1] == "2":
line = raw_input("ip2region>> ")
else:
line = input("ip2region>> ")
line = line.strip()
if line == "":
print "[Error]: Invalid ip address."
print("[Error]: Invalid ip address.")
continue
if line == "quit":
print "[Info]: Thanks for your use, Bye."
print("[Info]: Thanks for your use, Bye.")
break
if not searcher.isip(line):
print "[Error]: Invalid ip address."
print("[Error]: Invalid ip address.")
continue
sTime = time.time() * 1000
if method == 1:
data = searcher.btreeSearch(line)
elif method == 2:
data = searcher.binarySearch(line)
else:
data = searcher.memorySearch(line)
eTime = time.time() * 1000
if isinstance(data, dict):
print "%s|%s in %f millseconds" % (data["city_id"], data["region"], eTime-sTime)
else:
print "[Error]: ", data
try:
sTime = time.time()*1000
if algorithm == "binary":
data = searcher.binarySearch(line)
elif algorithm == "memory":
data = searcher.memorySearch(line)
else:
data = searcher.btreeSearch(line)
eTime = time.time()*1000
print("%s|%s in %5f millseconds" % (data["city_id"], data["region"].decode('utf-8'), eTime - sTime))
except Exception as e:
print("[Error]: %s" % e)
searcher.close()

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@ -1,240 +0,0 @@
#-*- coding:utf-8 -*-
"""
" ip2region python seacher client module
"
" Author: koma<komazhang@foxmail.com>
" Date : 2015-11-06
"""
import struct, io, socket, sys
class Ip2Region(object):
__headerSip = []
__headerPtr = []
__f = None
__sPtr = 0
__indexLen = 0
__dbBinStr = ''
def __init__(self, dbfile):
self.initDatabase(dbfile)
def memorySearch(self, ip):
"""
" memory search method
" param: ip
"""
if not ip.isdigit(): ip = self.ip2long(ip)
if self.__dbBinStr == '':
self.__dbBinStr = self.__f.read() #read all the contents in file
self.__sPtr = self.getLong(self.__dbBinStr, 0)
endPtr = self.getLong(self.__dbBinStr, 4)
self.__indexLen = endPtr - self.__sPtr
startPtr = self.__sPtr
indexLen = self.__indexLen
dbBinStr = self.__dbBinStr
l, h, mixPtr = (0, int(indexLen/12), 0)
while l <= h:
m = int((l+h)/2)
ptr = startPtr + m*12
sip = self.getLong(dbBinStr, ptr)
eip = self.getLong(dbBinStr, ptr+4)
if ip >= sip:
if ip > eip:
l = m + 1
else:
mixPtr = self.getLong(dbBinStr, ptr+8)
break;
else:
h = m - 1
if mixPtr == 0: return "N2"
return self.returnData(mixPtr)
def binarySearch(self, ip):
"""
" binary search method
" param: ip
"""
if not ip.isdigit(): ip = self.ip2long(ip)
if self.__indexLen < 1:
self.__f.seek(0)
b = self.__f.read(8)
self.__sPtr = self.getLong(b, 0)
endPtr = self.getLong(b, 4)
self.__indexLen = endPtr - self.__sPtr
startPtr = self.__sPtr
indexLen = self.__indexLen
self.__f.seek(startPtr)
b = self.__f.read(indexLen+12)
l, h, mixPtr = (0, int(indexLen/12), 0)
while l <= h:
m = int((l+h)/2)
ptr = startPtr + m*12
self.__f.seek(ptr)
b = self.__f.read(12)
sip = self.getLong(b, 0)
eip = self.getLong(b, 4)
if ip >= sip:
if ip > eip:
l = m + 1
else:
mixPtr = self.getLong(b, 8)
break;
else:
h = m - 1
if mixPtr == 0: return "N2"
return self.returnData(mixPtr)
def btreeSearch(self, ip):
"""
" b-tree search method
" param: ip
"""
if not ip.isdigit(): ip = self.ip2long(ip)
if len(self.__headerSip) < 1:
#pass the super block
self.__f.seek(8)
#read the header block
b = self.__f.read(8192)
#parse the header block
sip = None
ptr = None
for i in range(0, len(b)-1, 8):
sip = self.getLong(b, i)
ptr = self.getLong(b, i+4)
if ptr == 0:
break
self.__headerSip.append(sip)
self.__headerPtr.append(ptr)
headerLen = len(self.__headerSip) - 1
l, h, sptr, eptr = (0, headerLen, 0, 0)
while l <= h:
m = int((l+h)/2)
if ip == self.__headerSip[m]:
if m > 0:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
else:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
if ip > self.__headerSip[m]:
if m == headerLen:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
elif ip < self.__headerSip[m+1]:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
l = m + 1
else:
if m == 0:
sptr = self.__headerPtr[m]
eptr = self.__headerPtr[m+1]
break;
elif ip > self.__headerSip[m-1]:
sptr = self.__headerPtr[m-1]
eptr = self.__headerPtr[m]
break;
h = m - 1
if sptr == 0: return "N1"
indexLen = eptr - sptr
self.__f.seek(sptr)
b = self.__f.read(indexLen + 12)
l, h, mixPtr = (0, int(indexLen/12), 0)
while l <= h:
m = int((l+h)/2)
offset = m * 12
if ip >= self.getLong(b, offset):
if ip > self.getLong(b, offset+4):
l = m + 1
else:
mixPtr = self.getLong(b, offset+8)
break;
else:
h = m - 1
if mixPtr == 0: return "N2"
return self.returnData(mixPtr)
def initDatabase(self, dbfile):
"""
" initialize the database for search
" param: dbFile
"""
try:
self.__f = io.open(dbfile, "rb")
except IOError as e:
print ("[Error]: ", e)
sys.exit()
def returnData(self, dsptr):
"""
" get ip data from db file by data start ptr
" param: dsptr
"""
dataPtr = dsptr & 0x00FFFFFF
dataLen = (dsptr >> 24) & 0xFF
self.__f.seek(dataPtr)
data = self.__f.read(dataLen)
return {
"city_id": self.getLong(data, 0),
"region" : data[4:]
}
def ip2long(self, ip):
_ip = socket.inet_aton(ip)
return struct.unpack("!L", _ip)[0]
def isip(self, ip):
p = ip.split(".")
if len(p) != 4 : return False
for pp in p:
if not pp.isdigit() : return False
if len(pp) > 3 : return False
if int(pp) > 255 : return False
return True
def getLong(self, b, offset):
if len( b[offset:offset+4] ) == 4:
return struct.unpack('I', b[offset:offset+4])[0]
return 0
def close(self):
self.__headerSip = None
self.__headerPtr = None
self.__f.close()
self.__f = None

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@ -1,79 +0,0 @@
#-*- coding:utf-8 -*-
"""
" ip2region python seacher client module
"
" Autho: koma<komazhang@foxmail.com>
" Date : 2015-11-06
"""
import struct, sys, os, time
from ip2Region import Ip2Region
def testSearch():
"""
" ip2region test function
"""
llen = len(sys.argv)
if llen < 2:
print ("Usage: python testSearcher.py [ip2region db file] [alrogrithm]")
print ("Algorithm: binary or b-tree")
return 0
dbFile = sys.argv[1]
method = 1
algorithm = "b-tree"
if (not os.path.isfile(dbFile)) or (not os.path.exists(dbFile)):
print ("[Error]: Specified db file is not exists.")
return 0
if llen > 2:
algorithm = sys.argv[2]
if algorithm == "binary":
method = 2
elif algorithm == "memory":
method = 3
print ("initializing %s..."% algorithm)
print ("+----------------------------------+")
print ("| ip2region test program |")
print ("| Author: chenxin619315@gmail.com. |")
print ("| Type 'quit' or 'exit' to exit program |")
print ("+----------------------------------+")
searcher = Ip2Region(dbFile);
while True:
line = input("ip2region>> ")
line = line.strip()
if line == "":
print ("[Error]: Invalid ip address.")
continue
if line == "quit" or line == "exit" :
print ("[Info]: Thanks for your use, Bye.")
break
if not searcher.isip(line):
print ("[Error]: Invalid ip address.")
continue
sTime = time.time() * 1000
if method == 1:
data = searcher.btreeSearch(line)
elif method == 2:
data = searcher.binarySearch(line)
else:
data = searcher.memorySearch(line)
eTime = time.time() * 1000
if isinstance(data, dict):
print ("%s|%s in %f millseconds" % (data["city_id"], data["region"].decode('utf-8'), eTime-sTime))
else:
print ("[Error]: ", data)
searcher.close()
if __name__ == "__main__":
testSearch()