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108 lines
3.2 KiB
108 lines
3.2 KiB
4 months ago
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import hashlib
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import json
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import selectors
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import socket
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import threading
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from time import sleep
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import select
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# from entity.Letter import Letter
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# def main():
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# # 用户输入各种数据填充letter字段
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# # 获取用户的公私钥对进行签名
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# # 使用对方的公钥进行加密
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# # 发送信件
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# pass
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#
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#
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# def sendLetter(letter: Letter, target="192.168.195.162:8426"):
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# # 向目标ip和端口发送指定的信件
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# pass
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class recver():
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def __init__(self):
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self.file_name = ""
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self.flle_size = 0
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self.file_sha256 = ""
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self.addr = ("", 0)
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self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.server.bind(('127.0.0.1', 8425))
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self.server.listen(10)
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def recver_thread(self):
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while True:
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conn, addr = self.server.accept()
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data = conn.recv(10240)
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msg = json.loads(data.decode())
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if int(msg['flag']) == 0:
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print("\nhaved received data:"+msg["data"]+"\n")
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elif int(msg['flag']) == 1:
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self.recv_file(msg['data'])
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else:
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print("Error")
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def send_thread(self, conn):
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while True:
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flag: int = int(input(""))
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if flag == 0:
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data = input("Enter data to send: ")
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msg = {"flag": 0, "data": data}
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msg = json.dumps(msg).encode("utf-8")
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self.send_data(conn, msg)
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elif flag == 1:
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file_name = input("Enter file name to send: ")
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self.send_file(conn, file_name)
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else:
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print("Error,plesae enter 0 to send data, or 1 to send file.")
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def send_data(self, conn, data):
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conn.sendall(data)
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def send_file(self, conn, file_name):
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data = "dawwaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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msg = {"flag": 1, "data": data}
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msg = json.dumps(msg).encode("utf-8")
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conn.sendall(msg)
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def recv_data(self, conn):
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con, addr = conn.accept()
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data = con.recv(1024)
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if not data:
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return None
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# print(data.decode())
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return data.decode()
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def main(self):
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while True:
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try:
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client = socket.socket() # 定义协议类型,相当于生命socket类型,同时生成socket连接对象
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client.connect(('127.0.0.1', 8424))
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print("Connected to recver.")
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print("if you want to send data, enter 0, if you want to send file, enter 1.")
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sleep(1)
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break
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except socket.error:
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print("Waiting for recver...")
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# 加入线程
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threading.Thread(target=self.recver_thread, ).start()
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threading.Thread(target=self.send_thread, args=(client,)).start()
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def run(self):
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threading.Thread(target=self.main).start()
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def recv_file(self, data):
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with open("3.txt", 'wb') as file:
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print("Receiving file data...")
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file.write(data) # 写入数据到文件
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print("File received successfully.")
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# test
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if __name__ == '__main__':
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a = recver()
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a.run()
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