import socket
import sys
import threading
import time
import log
import app

class tcp_param:
    def __init__(self):
        self.host = 'localhost'
        self.port = 56926
        self.buffsize = 128
        self.rd_data = ''
        self.wr_data = ''
        self.wr_stat = False

tcpserverParam = tcp_param()

class socket_server(threading.Thread):
    def __init__(self, threadID, name, counter):
        threading.Thread.__init__(self)
        self.threadID = threadID
        self.name = name
        self.counter = counter
        self.user_var = app.user_var
        self.tcpserverParam = tcpserverParam
        # 获取本地主机名
        self.tcpserverParam.host = '127.0.0.1'
        self.BUFSIZE = self.tcpserverParam .buffsize
        # 创建 socket 对象
        self.serversocket = socket.socket(
            socket.AF_INET, socket.SOCK_STREAM)
        # 绑定端口号
        self.serversocket.bind((self.tcpserverParam.host, self.tcpserverParam.port))
        self.exit_stat = False
        self.exit_ok = False
        self.log_file = log.log_file
        self.log_print = log.log_file

    def exit(self):
        self.exit_stat = True

    def run(self):
        # 设置最大连接数，超过后排队
        self.serversocket.listen(5)
        while self.exit_stat == False:
            try:
                print('waiting for connection...')
                self.serversocket.settimeout(10)
                clientsocket, addr = self.serversocket.accept()
                print(addr)
                self.serversocket.settimeout(300)
                self.user_var.socket_conn_stat = True
                while self.exit_stat == False:
                    if self.tcpserverParam.wr_stat == True:
                        try:
                            print('waiting for recv')
                            msg = clientsocket.recv(18).decode("ascii")
                            print(msg)
                            if msg == 'TCP:Give me string':
                                # time.sleep(2)
                                size = clientsocket.send(self.tcpserverParam.wr_data.encode("ascii"))
                                self.tcpserverParam.wr_stat = False
                                self.log_print.logger.info('tcpsend={0}'.format(size), stack_info=True)
                        except ConnectionResetError as e:
                            self.log_file.logger.error('socket连接: {0}'.format(e), exc_info=True,
                                                       stack_info=True)
                            break
                        except Exception as e:
                            self.log_file.logger.error('socket未知异常: {0}'.format(e), exc_info=True, stack_info=True)
                            break
                    time.sleep(0.1)
                clientsocket.close()
            except socket.error as e:
                print("客户端断开!")
            except ConnectionResetError as e:
                self.log_file.logger.error('socket连接: {0}'.format(e), exc_info=True, stack_info=True)
            except Exception as e:
                self.log_file.logger.error('socket未知异常: {0}'.format(e), exc_info=True, stack_info=True)
            self.user_var.socket_conn_stat = False
        print("socket进程结束!")