Question

os - windows server 2012

python - 2.7.11
该程序是用于在套接字上接收数据的服务器端代码但有时会抛出错误，我不知道它可能在哪里我附上了代码样本

import sys, socket, datetime, threading
import conf, work_with_DB, log
import subprocess

class socket_server():
    def __init__(self, ip, port):
    self.ip = ip
    self.port = port

    #asyncore.dispatcher.__init__(self)
    sys.setrecursionlimit(10000)
    # write to log
    log.logging('time %s' % datetime.datetime.now(), self.port)
    #log.logging('create socket on -> %s' % conf.LOCAL_server_ip[0])
    log.logging('create socket on -> %s:%d' % (self.ip, self.port),     self.port)

    #print 'create socket on -> %s' % conf.LOCAL_server_ip[0]
    print 'create socket on -> %s:%d' % (self.ip, self.port)

    self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    # write to log
    log.logging('bind to socket', self.port)
    print 'bind to socket'
    #sock.bind(conf.LOCAL_server_ip)
    self.sock.bind((self.ip, self.port))
    # write to log
    log.logging('listen socket...', self.port)
    print 'listen socket...'
    self.sock.listen(5)

def run(self):
    self.conn, self.addr = self.sock.accept()
    # write to log
    #log.logging('accept connection from -> ip=%s' % addr[0])
    log.logging('accept connection from -> %s:%s...time =%s' % (self.ip, self.port, datetime.datetime.now()), self.port)

    #print 'accept connection from -> ip= %s, port= %s...time= %s' % (addr[0], addr[1], now_time)
    print 'accept connection from -> %s:%s...time =%s' % (self.ip, self.port, datetime.datetime.now())

     while True:
        # receiving TCP-data
        self.query_from_MES = self.conn.recv(10000).strip()

        if not len(self.query_from_MES) == 0:
            # log.logging('receive from -> ip =%s, port =%s...time =%s' % (addr[0], addr[1], now_time))
            log.logging('receive from -> %s:%s...time =%s' % (self.ip, self.port, datetime.datetime.now()), self.port)

            print 'query -> %s' % (self.query_from_MES)
            log.logging('query -> %s' % (self.query_from_MES), self.port)

            flag = self.query_from_MES[0:3]

            print 'flag -> %s' % (flag)
            log.logging('flag -> %s' % (flag), self.port)

            if flag == 'REQ':
                answer = self.query_from_MES + work_with_DB.get_last_receiving_data(self.port)

                print 'request from -> %s:%s' % (self.ip, self.port)
                log.logging('request from -> %s:%s' % (self.ip, self.port), self.port)

                print 'sent to MES -> %s...time =%s' % (answer, datetime.datetime.now())
                log.logging('sent to MES -> %s...time =%s' % (answer, datetime.datetime.now()), self.port)

                # send answer to client
                self.conn.send(answer)
            else:
                answer = work_with_DB.upload_data(self.query_from_MES[0:4000], self.port)
                return_msg = self.query_from_MES[0:45] + answer

                print 'send data from %s:%s' % (self.ip, self.port)
                log.logging('send data from %s:%s...time =%s' % (self.ip, self.port, datetime.datetime.now()), self.port)

                print 'sent to MES -> %s...time =%s' % (return_msg, datetime.datetime.now())
                log.logging('sent to MES -> %s...time =%s' % (return_msg, datetime.datetime.now()), self.port)

                self.conn.send(return_msg)

                if answer[0:2] == conf._SEND_ERROR:
                    #print 'address =%s:%s...sleep 5 seconds...' % (self.ip, self.port)
                    #log.logging('address =%s:%s...sleep 5 seconds...' %     (self.ip, self.port))
                    #time.sleep(5)
                    #self.conn.settimeout(10)

                    print 'connection closed'
                    log.logging('connection closed', self.port)
                    self.conn.close()

                    #print 'socket closed'
                    #log.logging('socket closed')
                    #self.sock.close()
                    try:
                        self.run()
                        print 'restart server'
                        log.logging('restart server...', self.port)
                    except Exception as e:
                        # returns the name of the exception
                        print '__________EXCEPTION__________ %s :%s' %(type(e).__name__, e.message)
                       # returns the name of the exception
                        log.logging('__________EXCEPTION__________ %s :%s' % (type(e).__name__, e.message), self.port)

                        print 'START anew socket_server_9217'
                        log.logging('START anew socket_server_9217', self.port)
                        subprocess.Popen("socket_server_9217", shell=False)

        else:
            #print 'address =%s:%s...sleep 5 seconds...' % (self.ip, self.port)
            #log.logging('address =%s:%s...sleep 5 seconds...' % (self.ip, self.port))
            #time.sleep(5)
            #self.conn.settimeout(10)

            print 'connection closed'
            log.logging('connection closed', self.port)
            self.conn.close()

            #print 'socket closed'
            #log.logging('socket closed')
            #self.sock.close()

            try:
                self.run()
                print 'restart server'
                log.logging('restart server...', self.port)
            except Exception as e:
                # returns the name of the exception
                print '__________EXCEPTION__________ %s :%s' % (type(e).__name__, e.message)
                # returns the name of the exception
                log.logging('__________EXCEPTION__________ %s :%s' % (type(e).__name__, e.message), self.port)

                print 'START anew socket_server_9217'
                log.logging('START anew socket_server_9217', self.port)
                subprocess.Popen("socket_server_9217", shell=False)
s = socket_server(conf._IP, conf._PORT_9217)
s.run()

处理完成后退出代码-1073741819（0xC0000005）[python，socket]

0 个答案: