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# -*- coding: utf-8 -*- # @Author: Wang chunsheng email:2192138785@qq.com # @Date: 2020-05-21 12:33:30 # @Last Modified by: Wang chunsheng email:2192138785@qq.com # @Last Modified time: 2020-05-21 14:27:51 # -*- coding: UTF-8 -*- # ------------------------------------------------------------------------------ # 改为继承指定文件夹里的模块 -- by Tommy 2017-5-11 # 新增LOAD_TYPE，可以动态加载包，不需要每次都重启ppython服务 -- by Tommy 2017-9-22 # ------------------------------------------------------------------------------- import sys import time import threading import socket import importlib import php_python REQUEST_MIN_LEN = 10 #合法的request消息包最小长度 TIMEOUT = 180 #socket处理时间180秒 LOAD_TYPE = 0 #0为默认的，只导入一次，若包文件有改动，需重启ppython服务。1为动态加载，每次都会reload这个包，此时不需要重启ppython服务 pc_dict = {} #预编译字典，key:调用模块、函数、参数字符串，值是编译对象 global_env = {} #global环境变量 def index(bytes, c, pos=0): """ 查找c字符在bytes中的位置(从0开始)，找不到返回-1 pos: 查找起始位置 """ for i in range(len(bytes)): if (i <= pos): continue if bytes[i] == c: return i break else: return -1 def z_encode(p): """ encode param from python data """ if p == None: #None->PHP中的NULL return "N;" elif isinstance(p, int): #int->PHP整形 return "i:%d;" % p elif isinstance(p, str): #String->PHP字符串 p_bytes = p.encode(php_python.CHARSET); ret = 's:%d:"' % len(p_bytes) ret = ret.encode(php_python.CHARSET) ret = ret + p_bytes + '";'.encode(php_python.CHARSET) ret = str(ret, php_python.CHARSET) return ret elif isinstance(p, bool): #boolean->PHP布尔 b=1 if p else 0 return 'b:%d;' % b elif isinstance(p, float): #float->PHP浮点 return 'd:%r;' % p elif isinstance(p, list) or isinstance(p, tuple): #list,tuple->PHP数组(下标int) s='' for pos,i in enumerate(p): s+=z_encode(pos) s+=z_encode(i) return "a:%d:{%s}" % (len(p),s) elif isinstance(p, dict): #字典->PHP数组(下标str) s='' for key in p: s+=z_encode(key) s+=z_encode(p[key]) return "a:%d:{%s}" % (len(p),s) else: #其余->PHP中的NULL return "N;" def z_decode(p): """ decode php param from string to python p: bytes """ if p[0]==0x4e: #NULL 0x4e-'N' return None,p[2:] elif p[0]==0x62: #bool 0x62-'b' if p[2] == 0x30: # 0x30-'0' return False,p[4:] else: return True,p[4:] elif p[0]==0x69: #int 0x69-'i' i = index(p, 0x3b, 1) # 0x3b-';' return int(p[2:i]),p[i+1:] elif p[0]==0x64: #double 0x64-'d' i = index(p, 0x3b, 1) # 0x3b-';' return float(p[2:i]),p[i+1:] elif p[0]==0x73: #string 0x73-'s' len_end = index(p, 0x3a, 2) # 0x3a-':' str_len = int(p[2:len_end]) end = len_end + 1 + str_len + 2 v = p[(len_end + 2) : (len_end + 2 + str_len)] return str(v, php_python.CHARSET), p[end+1:] elif p[0]==0x61: #array 0x61-'a' list_=[] #数组 dict_={} #字典 flag=True #类型，true-元组 false-字典 second = index(p, 0x3a, 2) # 0x3a-":" num = int(p[2:second]) #元素数量 pp = p[second+2:] #所有元素 for i in range(num): key,pp=z_decode(pp) #key解析 if (i == 0): #判断第一个元素key是否int 0 if (not isinstance(key, int)) or (key != 0): flag = False val,pp=z_decode(pp) #value解析 list_.append(val) dict_[key]=val return (list_, pp[2:]) if flag else (dict_, pp[2:]) else: return p,'' def parse_php_req(p): """ 解析PHP请求消息 返回：元组（模块名，函数名，入参list） """ print('全部',p) while p: v,p=z_decode(p) #v：值 p：bytes(每次z_decode计算偏移量) params = v modul_func = params[1] #第一个元素是调用模块和函数名 print("模块和函数名:%s" % modul_func,params,params[0]) print("参数:%s" % params[2:]) pos = modul_func.find("::") modul = modul_func[:pos] #模块名 func = modul_func[pos+2:] #函数名 return params[0],modul, func, params[2:] class ProcessThread(threading.Thread): """ preThread 处理线程 """ def __init__(self, socket): threading.Thread.__init__(self) #客户socket self._socket = socket def run(self): #--------------------------------------------------- # 1.接收消息 #--------------------------------------------------- try: self._socket.settimeout(TIMEOUT) #设置socket超时时间 firstbuf = self._socket.recv(16 * 1024) #接收第一个消息包(bytes) if len(firstbuf) < REQUEST_MIN_LEN: #不够消息最小长度 print ("非法包，小于最小长度: %s" % firstbuf) self._socket.close() return firstComma = index(firstbuf, 0x2c) #查找第一个","分割符 print('查找第一个',firstComma,firstbuf,firstbuf[0:firstComma]) totalLen = int(firstbuf[0:firstComma]) #消息包总长度 print("消息长度:%d" % totalLen,firstbuf) reqMsg = firstbuf[firstComma+1:] print(reqMsg) while (len(reqMsg) < totalLen): reqMsg = reqMsg + self._socket.recv(16 * 1024) #调试 #print ("请求包：%s" % reqMsg) except Exception as e: print ('接收消息异常', e) self._socket.close() return #--------------------------------------------------- # 2.调用模块、函数检查，预编译。 #--------------------------------------------------- #从消息包中解析出模块名、函数名、入参list addons,modul, func, params = parse_php_req(reqMsg) sys.path.append(addons) #检查模块、函数是否存在 if (modul not in pc_dict): #预编译字典中没有此编译模块 #检查模块、函数是否存在 try: tommy = modul.find(".") #将模块名和子模块分开 modulname = modul[tommy+2:] #指定子模块 callMod = __import__ (modul,fromlist = (modulname,)) #根据module名，反射出module pc_dict[modul] = callMod #预编译字典缓存此模块 except Exception as e: print ('模块不存在:%s' % modul) self._socket.sendall(("F" + "module '%s' is not exist or there is an error in your .py file!" % modul).encode(php_python.CHARSET)) #异常 self._socket.close() return else: callMod = pc_dict[modul] #从预编译字典中获得模块对象 if (LOAD_TYPE == 1): print('reload module') callMod = importlib.reload(callMod) # 重新载入模块 try: callMethod = getattr(callMod, func) except Excep