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@@ -0,0 +1,117 @@
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+import socket
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+import threading
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+import json
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+
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+class TcpServer:
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+ def __init__(self):
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+ self.port=2233#设置端口
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+ self.HEAD_LEN=8
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+ self.tcpServerSocket=socket.socket()#创建socket对象
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+ hostname= socket.gethostname()#获取本地主机名
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+ sysinfo = socket.gethostbyname_ex(hostname)
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+ hostip=sysinfo[2][2]
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+ self.tcpServerSocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)#让端口可以复用
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+ self.tcpServerSocket.bind((hostip,self.port))#将地址与套接字绑定,且套接字要求是从未被绑定过的
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+ self.tcpServerSocket.listen(5)#代办事件中排队等待connect的最大数目
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+
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+ def set_receive_listener(self,receive_listener):
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+ self.receive_listener = receive_listener
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+ def server(self):
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+ while True:
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+ print("等待连接")
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+ self.clientSocket, addr = self.tcpServerSocket.accept()
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+ print ('连接地址:', addr)
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+ if self.connected_listener:
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+ self.connected_listener()
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+ while True:
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+ try:
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+ head_data=self.clientSocket.recv(self.HEAD_LEN)
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+ if not len(head_data)==8:
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+ print("bad package!head_data len:",head_data)
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+ self.restart()
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+ return
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+ body_len = self.get_length_from_head_data(head_data)
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+ body_data = self.clientSocket.recv(body_len)
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+ if not body_len==len(body_data):
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+ print("bad package!body_len:",body_len)
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+ self.restart()
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+ return
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+ data_type = self.get_type_from_head_data(head_data)
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+
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+ if data_type == 1:#test/json data
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+ text = body_data.decode()
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+ print(text)
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+ if not text:
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+ break
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+ if self.receive_listener:
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+ self.receive_listener(text)
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+ elif data_type == 2:#image data
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+ pass
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+
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+ except ConnectionResetError:
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+ print("ConnectionResetError!")
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+ self.restart()
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+ return
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+
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+
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+ self.clientSocket.close() # 关闭连接
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+ self.tcpServerSocket.close()
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+
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+ def get_length_from_head_data(self,head_data):
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+ if(not len(head_data)==8):
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+ return
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+ ch1 = head_data[4] & 0x00FF;
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+ ch2 = head_data[5] & 0x00FF;
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+ ch3 = head_data[6] & 0x00FF;
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+ ch4 = head_data[7] & 0x00FF;
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+ return ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + (ch4 << 0));
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+
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+ def get_type_from_head_data(self,head_data):
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+ if(not len(head_data)==8):
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+ return
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+ ch1 = head_data[0] & 0x00FF;
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+ ch2 = head_data[1] & 0x00FF;
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+ ch3 = head_data[2] & 0x00FF;
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+ ch4 = head_data[3] & 0x00FF;
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+ return ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + (ch4 << 0));
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+
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+
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+ def start(self):
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+ self.server_threading = threading.Thread(target=self.server, args=())
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+ self.server_threading.start()
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+
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+ def restart(self):
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+ self.start()
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+
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+ def send_data(self, data):
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+ try:
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+ self.clientSocket.send(data)
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+ except ConnectionResetError:
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+ print("ConnectionResetError!")
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+ self.restart()
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+ def send_img(self, bytes_data):
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+ data = self.wrapper_data(2,bytes_data)
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+ self.send_data(data)
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+
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+ def send_text(self, text):
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+ data = self.wrapper_data(1,text.encode())
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+ self.send_data(data)
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+
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+ def wrapper_data(self,data_type,body_data):
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+
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+ print("data_type:",data_type)
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+ print("body_data len:",len(body_data))
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+
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+
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+ type_bytes=data_type.to_bytes(4,'big')
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+ print("type_bytes:",type_bytes)
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+ body_len = len(body_data)
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+
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+ body_len_bytes = body_len.to_bytes(4,'big')
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+ print("body_len_bytes:",body_len_bytes)
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+
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+ head_data = type_bytes + body_len_bytes
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+ print("head_data:",head_data)
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+
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+ data = head_data+body_data
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+ return data
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