重构python客户端，提升查询性能，兼容python2.x,3.x
This commit is contained in:
Koma
parent
1701f49e45
commit
a584ef9caf
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@ -0,0 +1,49 @@
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#-*- coding:utf-8 -*-
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"""
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" ip2region python seacher client module benchmark test file
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"
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" Autho: koma<komazhang@foxmail.com>
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" Date : 2018-10-04
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"""
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import threading
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import time
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from ip2Region import Ip2Region
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class BeachmarkThread(threading.Thread):
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__searcher = None
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__lock = None
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def __init__(self, searcher, lock):
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self.__searcher = searcher
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self.__lock = lock
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threading.Thread.__init__(self)
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def run(self):
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self.__lock.acquire()
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try:
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sTime = time.time() * 1000
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data = self.__searcher.memorySearch("49.220.138.233")
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eTime = time.time() * 1000
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print("%s|%s in %5f millseconds" % (data["city_id"], data["region"].decode('utf-8'), eTime - sTime))
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finally:
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self.__lock.release()
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if __name__ == "__main__":
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threads = []
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searcher = Ip2Region("/data/ip2region/data/ip2region.db")
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lock = threading.Lock()
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for i in range(10000):
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t = BeachmarkThread(searcher, lock)
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threads.append(t)
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sTime = time.time() * 1000
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for t in threads:
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t.start()
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for t in threads:
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t.join()
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eTime = time.time() * 1000
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print("Beachmark done: %5f" % (eTime - sTime))
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@ -8,11 +8,16 @@
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import struct, io, socket, sys
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class Ip2Region(object):
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__INDEX_BLOCK_LENGTH = 12
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__TOTAL_HEADER_LENGTH = 8192
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__f = None
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__headerSip = []
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__headerPtr = []
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__f = None
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__sPtr = 0
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__indexLen = 0
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__headerLen = 0
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__indexSPtr = 0
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__indexLPtr = 0
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__indexCount = 0
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__dbBinStr = ''
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def __init__(self, dbfile):
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@ -27,34 +32,29 @@ class Ip2Region(object):
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if self.__dbBinStr == '':
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self.__dbBinStr = self.__f.read() #read all the contents in file
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self.__sPtr = self.getLong(self.__dbBinStr, 0)
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endPtr = self.getLong(self.__dbBinStr, 4)
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self.__indexLen = endPtr - self.__sPtr
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self.__indexSPtr = self.getLong(self.__dbBinStr, 0)
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self.__indexLPtr = self.getLong(self.__dbBinStr, 4)
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self.__indexCount = int((self.__indexLPtr - self.__indexSPtr)/self.__INDEX_BLOCK_LENGTH)+1
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startPtr = self.__sPtr
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indexLen = self.__indexLen
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dbBinStr = self.__dbBinStr
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l, h, mixPtr = (0, int(indexLen/12), 0)
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l, h, dataPtr = (0, self.__indexCount, 0)
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while l <= h:
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m = int((l+h)/2)
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ptr = startPtr + m*12
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m = int((l+h) >> 1)
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p = self.__indexSPtr + m*self.__INDEX_BLOCK_LENGTH
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sip = self.getLong(self.__dbBinStr, p)
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sip = self.getLong(dbBinStr, ptr)
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eip = self.getLong(dbBinStr, ptr+4)
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if ip >= sip:
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if ip < sip:
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h = m -1
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else:
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eip = self.getLong(self.__dbBinStr, p+4)
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if ip > eip:
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l = m + 1
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l = m + 1;
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else:
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mixPtr = self.getLong(dbBinStr, ptr+8)
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break;
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else:
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h = m - 1
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dataPtr = self.getLong(self.__dbBinStr, p+8)
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break
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if mixPtr == 0: return "N2"
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if dataPtr == 0: raise Exception("Data pointer not found")
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return self.returnData(mixPtr)
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return self.returnData(dataPtr)
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def binarySearch(self, ip):
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"""
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@ -63,41 +63,34 @@ class Ip2Region(object):
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"""
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if not ip.isdigit(): ip = self.ip2long(ip)
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if self.__indexLen < 1:
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if self.__indexCount == 0:
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self.__f.seek(0)
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b = self.__f.read(8)
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self.__sPtr = self.getLong(b, 0)
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endPtr = self.getLong(b, 4)
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self.__indexLen = endPtr - self.__sPtr
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superBlock = self.__f.read(8)
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self.__indexSPtr = self.getLong(superBlock, 0)
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self.__indexLPtr = self.getLong(superBlock, 4)
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self.__indexCount = int((self.__indexLPtr - self.__indexSPtr) / self.__INDEX_BLOCK_LENGTH) + 1
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startPtr = self.__sPtr
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indexLen = self.__indexLen
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self.__f.seek(startPtr)
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b = self.__f.read(indexLen+12)
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l, h, mixPtr = (0, int(indexLen/12), 0)
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l, h, dataPtr = (0, self.__indexCount, 0)
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while l <= h:
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m = int((l+h)/2)
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ptr = startPtr + m*12
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self.__f.seek(ptr)
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m = int((l+h) >> 1)
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p = m*self.__INDEX_BLOCK_LENGTH
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b = self.__f.read(12)
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sip = self.getLong(b, 0)
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eip = self.getLong(b, 4)
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if ip >= sip:
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self.__f.seek(self.__indexSPtr+p)
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buffer = self.__f.read(self.__INDEX_BLOCK_LENGTH)
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sip = self.getLong(buffer, 0)
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if ip < sip:
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h = m - 1
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else:
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eip = self.getLong(buffer, 4)
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if ip > eip:
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l = m + 1
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else:
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mixPtr = self.getLong(b, 8)
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break;
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else:
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h = m - 1
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dataPtr = self.getLong(buffer, 8)
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break
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if mixPtr == 0: return "N2"
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if dataPtr == 0: raise Exception("Data pointer not found")
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return self.returnData(mixPtr)
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return self.returnData(dataPtr)
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def btreeSearch(self, ip):
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"""
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@ -107,82 +100,81 @@ class Ip2Region(object):
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if not ip.isdigit(): ip = self.ip2long(ip)
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if len(self.__headerSip) < 1:
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headerLen = 0
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#pass the super block
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self.__f.seek(8)
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#read the header block
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b = self.__f.read(8192)
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b = self.__f.read(self.__TOTAL_HEADER_LENGTH)
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#parse the header block
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sip = None
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ptr = None
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for i in range(0, len(b)-1, 8):
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for i in range(0, len(b), 8):
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sip = self.getLong(b, i)
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ptr = self.getLong(b, i+4)
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if ptr == 0:
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break
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self.__headerSip.append(sip)
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self.__headerPtr.append(ptr)
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headerLen += 1
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self.__headerLen = headerLen
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headerLen = len(self.__headerSip) - 1
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l, h, sptr, eptr = (0, headerLen, 0, 0)
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l, h, sptr, eptr = (0, self.__headerLen, 0, 0)
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while l <= h:
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m = int((l+h)/2)
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m = int((l+h) >> 1)
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if ip == self.__headerSip[m]:
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if m > 0:
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sptr = self.__headerPtr[m-1]
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eptr = self.__headerPtr[m]
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break;
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else:
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sptr = self.__headerPtr[m]
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eptr = self.__headerPtr[m+1]
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break;
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break
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if ip > self.__headerSip[m]:
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if m == headerLen:
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sptr = self.__headerPtr[m-1]
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eptr = self.__headerPtr[m]
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break;
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elif ip < self.__headerSip[m+1]:
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sptr = self.__headerPtr[m]
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eptr = self.__headerPtr[m+1]
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break;
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l = m + 1
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else:
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if ip < self.__headerSip[m]:
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if m == 0:
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sptr = self.__headerPtr[m]
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eptr = self.__headerPtr[m+1]
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break;
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break
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elif ip > self.__headerSip[m-1]:
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sptr = self.__headerPtr[m-1]
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eptr = self.__headerPtr[m]
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break;
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break
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h = m - 1
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else:
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if m == self.__headerLen - 1:
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sptr = self.__headerPtr[m-1]
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eptr = self.__headerPtr[m]
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break
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elif ip <= self.__headerSip[m+1]:
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sptr = self.__headerPtr[m]
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eptr = self.__headerPtr[m+1]
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break
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l = m + 1
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if sptr == 0: return "N1"
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if sptr == 0: raise Exception("Index pointer not found")
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indexLen = eptr - sptr
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self.__f.seek(sptr)
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b = self.__f.read(indexLen + 12)
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index = self.__f.read(indexLen + self.__INDEX_BLOCK_LENGTH)
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l, h, mixPtr = (0, int(indexLen/12), 0)
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l, h, dataPrt = (0, int(indexLen/self.__INDEX_BLOCK_LENGTH), 0)
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while l <= h:
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m = int((l+h)/2)
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offset = m * 12
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m = int((l+h) >> 1)
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offset = int(m * self.__INDEX_BLOCK_LENGTH)
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sip = self.getLong(index, offset)
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if ip >= self.getLong(b, offset):
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if ip > self.getLong(b, offset+4):
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l = m + 1
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else:
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mixPtr = self.getLong(b, offset+8)
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break;
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else:
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if ip < sip:
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h = m - 1
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else:
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eip = self.getLong(index, offset+4)
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if ip > eip:
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l = m + 1;
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else:
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dataPrt = self.getLong(index, offset+8)
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break
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if mixPtr == 0: return "N2"
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if dataPrt == 0: raise Exception("Data pointer not found")
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return self.returnData(mixPtr)
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return self.returnData(dataPrt)
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def initDatabase(self, dbfile):
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"""
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@ -191,17 +183,17 @@ class Ip2Region(object):
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"""
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try:
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self.__f = io.open(dbfile, "rb")
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except IOError, e:
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print "[Error]: ", e
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except IOError as e:
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print("[Error]: %s" % e)
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sys.exit()
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def returnData(self, dsptr):
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def returnData(self, dataPtr):
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"""
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" get ip data from db file by data start ptr
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" param: dsptr
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"""
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dataPtr = dsptr & 0x00FFFFFFL
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dataLen = (dsptr >> 24) & 0xFF
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dataLen = (dataPtr >> 24) & 0xFF
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dataPtr = dataPtr & 0x00FFFFFF
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self.__f.seek(dataPtr)
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data = self.__f.read(dataLen)
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@ -213,7 +205,6 @@ class Ip2Region(object):
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def ip2long(self, ip):
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_ip = socket.inet_aton(ip)
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return struct.unpack("!L", _ip)[0]
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def isip(self, ip):
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@ -228,13 +219,14 @@ class Ip2Region(object):
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return True
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def getLong(self, b, offset):
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if len( b[offset:offset+4] ) == 4:
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if len(b[offset:offset+4]) == 4:
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return struct.unpack('I', b[offset:offset+4])[0]
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return 0
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def close(self):
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self.__headerSip = None
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self.__headerPtr = None
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if self.__f != None:
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self.__f.close()
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self.__f = None
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self.__dbBinStr = None
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self.__headerPtr = None
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self.__headerSip = None
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@ -6,72 +6,76 @@
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" Date : 2015-11-06
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"""
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import struct, sys, os, time
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from platform import python_version
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from ip2Region import Ip2Region
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def testSearch():
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"""
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" ip2region test function
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"""
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llen = len(sys.argv)
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argLen = len(sys.argv)
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version = python_version()
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algorithms = ["binary", "b-tree", "memory"]
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if llen < 2:
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print "Usage: python testSearcher.py [ip2region db file] [alrogrithm]"
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print "Algorithm: binary or b-tree"
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if argLen < 2:
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print("Usage: python testSearcher.py [ip2region db file] [alrogrithm]")
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print("Algorithm: %s" % ", ".join(algorithms))
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return 0
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dbFile = sys.argv[1]
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method = 1
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algorithm = "b-tree"
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if (not os.path.isfile(dbFile)) or (not os.path.exists(dbFile)):
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print "[Error]: Specified db file is not exists."
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print("[Error]: Specified db file is not exists.")
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return 0
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if llen > 2:
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if argLen > 2:
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algorithm = sys.argv[2]
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if algorithm == "binary":
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method = 2
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elif algorithm == "memory":
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method = 3
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try:
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algorithms.index(algorithm)
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except Exception as e:
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algorithm = "b-tree"
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print "initializing %s..." % (algorithm)
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print "+----------------------------------+"
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print "| ip2region test program |"
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print "| Author: chenxin619315@gmail.com. |"
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print "| Type 'quit' to exit program |"
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print "+----------------------------------+"
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print("initializing %s..." % (algorithm))
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print("+----------------------------------+")
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print("| ip2region test program |")
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print("| Author: chenxin619315@gmail.com. |")
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print("| Type 'quit' to exit program |")
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print("+----------------------------------+")
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searcher = Ip2Region(dbFile);
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searcher = Ip2Region(dbFile)
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while True:
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if version[:1] == "2":
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line = raw_input("ip2region>> ")
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else:
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line = input("ip2region>> ")
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line = line.strip()
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if line == "":
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print "[Error]: Invalid ip address."
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print("[Error]: Invalid ip address.")
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continue
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if line == "quit":
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print "[Info]: Thanks for your use, Bye."
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print("[Info]: Thanks for your use, Bye.")
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break
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if not searcher.isip(line):
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print "[Error]: Invalid ip address."
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print("[Error]: Invalid ip address.")
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continue
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sTime = time.time() * 1000
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if method == 1:
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data = searcher.btreeSearch(line)
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elif method == 2:
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try:
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sTime = time.time()*1000
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if algorithm == "binary":
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data = searcher.binarySearch(line)
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else:
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elif algorithm == "memory":
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data = searcher.memorySearch(line)
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eTime = time.time() * 1000
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if isinstance(data, dict):
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print "%s|%s in %f millseconds" % (data["city_id"], data["region"], eTime-sTime)
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else:
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print "[Error]: ", data
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data = searcher.btreeSearch(line)
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eTime = time.time()*1000
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print("%s|%s in %5f millseconds" % (data["city_id"], data["region"].decode('utf-8'), eTime - sTime))
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except Exception as e:
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print("[Error]: %s" % e)
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searcher.close()
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@ -1,240 +0,0 @@
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#-*- coding:utf-8 -*-
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"""
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" ip2region python seacher client module
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"
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" Author: koma<komazhang@foxmail.com>
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" Date : 2015-11-06
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"""
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import struct, io, socket, sys
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class Ip2Region(object):
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__headerSip = []
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__headerPtr = []
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__f = None
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__sPtr = 0
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__indexLen = 0
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__dbBinStr = ''
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def __init__(self, dbfile):
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self.initDatabase(dbfile)
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def memorySearch(self, ip):
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"""
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" memory search method
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" param: ip
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"""
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if not ip.isdigit(): ip = self.ip2long(ip)
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if self.__dbBinStr == '':
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self.__dbBinStr = self.__f.read() #read all the contents in file
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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
|
||||
|
|
@ -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()
|
||||
Loading…
Reference in New Issue