进程间的通信系统代码实现界面python

以下是一个使用Python实现的进程间通信的简单界面，包括了管道通信和消息队列通信的示例代码。

import tkinter as tk
import os
import time
import threading
import queue
import sysv_ipc

# 定义消息队列的消息结构
class MsgBuf(ctypes.Structure):
    _fields_ = [("mtype", ctypes.c_long), ("mtext", ctypes.c_char * 1024)]

# 创建消息队列
msgq_key = 0x1234
msgq = sysv_ipc.MessageQueue(msgq_key, sysv_ipc.IPC_CREAT)

# 定义管道的读写文件描述符
r_fd, w_fd = os.pipe()

# 定义全局变量
msg = ''
pipe_msg = ''

# 定义一个队列，用于从线程中获取消息
msg_queue = queue.Queue()

# 定义线程，用于接收管道消息
def pipe_thread():
    global pipe_msg
    while True:
        pipe_msg = os.read(r_fd, 1024).decode()
        msg_queue.put('pipe')

# 定义线程，用于接收消息队列消息
def msgq_thread():
    global msg
    while True:
        msg_buf, msg_type = msgq.receive()
        msg = msg_buf.decode()
        msg_queue.put('msgq')

# 启动线程
t1 = threading.Thread(target=pipe_thread)
t1.setDaemon(True)
t1.start()

t2 = threading.Thread(target=msgq_thread)
t2.setDaemon(True)
t2.start()

# 定义GUI界面
class App:
    def __init__(self, master):
        self.master = master
        master.title("进程间通信示例")

        # 管道通信示例
        self.pipe_label = tk.Label(master, text="管道通信示例")
        self.pipe_label.grid(row=0, column=0)

        self.pipe_send_button = tk.Button(master, text="发送消息", command=self.pipe_send)
        self.pipe_send_button.grid(row=1, column=0)

        self.pipe_recv_label = tk.Label(master, text="接收到的消息：")
        self.pipe_recv_label.grid(row=2, column=0)

        self.pipe_recv_text = tk.Text(master, height=1, width=30)
        self.pipe_recv_text.grid(row=3, column=0)

        # 消息队列通信示例
        self.msgq_label = tk.Label(master, text="消息队列通信示例")
        self.msgq_label.grid(row=0, column=1)

        self.msgq_send_button = tk.Button(master, text="发送消息", command=self.msgq_send)
        self.msgq_send_button.grid(row=1, column=1)

        self.msgq_recv_label = tk.Label(master, text="接收到的消息：")
        self.msgq_recv_label.grid(row=2, column=1)

        self.msgq_recv_text = tk.Text(master, height=1, width=30)
        self.msgq_recv_text.grid(row=3, column=1)

        # 定时更新界面
        self.update_clock()

    # 发送管道消息
    def pipe_send(self):
        msg = "Hello, pipe!"
        os.write(w_fd, msg.encode())

    # 发送消息队列消息
    def msgq_send(self):
        msg = "Hello, msgq!"
        msgq.send(msg.encode(), True)

    # 更新界面
    def update_clock(self):
        try:
            msg_type = msg_queue.get_nowait()
            if msg_type == 'pipe':
                self.pipe_recv_text.delete(1.0, tk.END)
                self.pipe_recv_text.insert(tk.END, pipe_msg)
            elif msg_type == 'msgq':
                self.msgq_recv_text.delete(1.0, tk.END)
                self.msgq_recv_text.insert(tk.END, msg)
        except queue.Empty:
            pass
        self.master.after(100, self.update_clock)

# 启动GUI界面
root = tk.Tk()
app = App(root)
root.mainloop()

以上代码中，使用了Python的Tkinter库实现了一个简单的GUI界面，包括了管道通信和消息队列通信的示例代码。在GUI界面中，用户可以点击“发送消息”按钮向管道或者消息队列发送消息，并且实时显示接收到的消息。程序中使用了两个线程分别用于接收管道消息和消息队列消息，消息接收后通过一个队列传递给主线程进行更新界面。