Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
Bartleby Related Questions Icon

Related questions

Question

 Using TKinter, display the Dictionary in the Dictionary Based Object streamed in question #4.

question #4:

import socket
import json

def receive_co2_data(host, port):
    """
    Connects to a CO2 data server at the specified host and port,
    receives and prints the CO2 data fields, and gracefully closes
    the connection.
    
    Args:
    - host (str): The hostname or IP address of the server.
    - port (int): The port number to connect to.
    """
    # Initialize socket
    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    try:
        # Connect to server
        client_socket.connect((host, port))
        print(f"Connected to {host}:{port}")

        # Receive and print the CO2 data fields
        buffer = ""
        while True:
            data = client_socket.recv(1024).decode()
            if not data:
                break

            # Buffer data and split into JSON-encoded objects
            buffer += data
            objects = buffer.split("\n")
            buffer = objects.pop()

            # Parse and print each object
            for obj in objects:
                try:
                    field_data = json.loads(obj)
                    print(field_data)
                except json.JSONDecodeError:
                    pass

        print("Connection closed")

    except ConnectionRefusedError:
        print(f"Error: connection to {host}:{port} refused")
    except OSError as e:
        print(f"Error: {e}")
    finally:
        # Close the socket
        client_socket.close()

if __name__ == "__main__":
    host = input("Enter server hostname or IP address: ")
    port = int(input("Enter server port number: "))
    receive_co2_data(host, port)

Expert Solution
Check Mark
Knowledge Booster
Background pattern image
Computer Science
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education