Client-Server String Processor

A client-server application that generates random strings, sends them to a server for processing, and logs the results. The server calculates a "weight" for each string based on specific rules.

Features

• Generates random strings with letters, digits, and spaces
• TCP communication between client and server
• Weight calculation rules:
  • 1000.00 if contains "aa" (case-insensitive)
  • (1.5*letters + 2*digits)/spaces otherwise
  • INF if no spaces

Requirements

• Python 3.x
• No external dependencies needed

Installation & Usage

1. Clone/Copy Files
   Ensure these files are in the same directory:

   main.py
   client.py
   server.py
   

2. Run the Application

python main.py --host 127.0.0.1 --port 65432 --num-chains 5

Replace 5, 127.0.0.1 and 65432 with desired values, to define host , port and number of chains

3. Arguments:
   • --host: Server IP (default: 127.0.0.1)
   • --port: Communication port (default: 65432)
   • --num-chains: Required. Number of strings to generate

File Structure

project/
├── chains.txt            # Generated strings
├── server_responses.txt  # Server's responses
├── client-server.log     # Execution logs
├── main.py               # Main script
├── client.py             # Client logic
└── server.py             # Server logic

Viewing Results

1. Generated Strings

   cat chains.txt

   Example output:

   xB7Jk l9jJq3HmZp8C v2RrT...
   

2. Server Responses

   cat server_responses.txt

   Example output:

   Message received, compute_weight = 22.38
   Message received, compute_weight = 1000.00
   

3. Execution Logs

   cat client-server.log

   Example log entries:

   2023-10-15 14:30:00,123 - INFO - Generating 5 chains...
   2023-10-15 14:30:01,456 - WARNING - Double 'a' rule detected >> 'AaBc12 3dEf...
   

Code Structure Highlights

Client Workflow

# Generate 100-character string with 3-5 spaces
def generate_random_string(self):
    length = random.randint(50, 100)
    # ... string generation logic ...

Server Calculation

def get_ponderation(self, chain: str) -> str:
    if any(pair in chain.lower() for pair in ["aa"]):
        return "1000.00"  # Special case
    # Normal calculation
    return f"{(letters*1.5 + numbers*2)/spaces:.2f}"

Notes

• The server handles one connection at a time
• All generated files are overwritten on each execution
• Processing time is logged for performance monitoring
• Use CTRL+C to terminate if needed