myxce/src/worker

Cross-Platform Xcecd Process

This is a cross-platform process manager implementation in C that supports both Linux and Windows platforms. The xcecd provides the following features:

• Sending status to the remote controller module at port 6789 and receive job requests
• Maintains a configurable thread pool for request processing
• Periodically collects and updates system resource status
• Manages child processes spawned from received commands
• Caches job status information
• Uses Unix Domain Sockets for communication between the main process and worker processes

Building

Prerequisites

• C compiler with C11 support
• Windows: Visual Studio
• Linux: GCC and development tools

Build Instructions

On Linux

make

On Windows

nmake

Configuration

The xcecd can be configured through the following parameters in main.c:

• thread_pool_size: Number of threads in the thread pool (default: 4)
• resource_update_interval: Interval for updating system resource status in seconds (default: 1)
• job_status_update_interval: Interval for updating job status in seconds (default: 1)
• port: Port number to listen on (default: 7869)
• acct_file_path: Path to the accounting file (default: /tmp/xcecd.acct)
• log_file_path: Path to the log file (default: /tmp/xcecd.log)
• domain_sock_path: Path to the Unix Domain Socket file (default: /tmp/xcecd.sock)
• remote_host: Remote server address (default: lchen02)
• remote_port: Remote server port (default: 6789)
• update_interval: Interval for sending status updates to the remote server (default: 1 second)

Usage

Starting the Xcecd

On Windows:

xcecd.exe

On Linux:

./xcecd

Features

1. Cross-Platform Support

   • Works on both Windows and Linux
   • Abstracts platform-specific implementations

2. Thread Pool

   • Configurable number of worker threads
   • Efficient request handling

3. System Monitoring

   • CPU usage monitoring
   • Memory usage monitoring
   • Disk space monitoring

4. Process Management

   • Spawns child processes for received commands
   • Tracks process status
   • Manages process lifecycle

5. Network Communication

   • TCP socket-based communication
   • Simple text-based protocol

6. Unix Domain Socket Communication

   • Uses Unix Domain Sockets for communication between the main process and worker processes

Architecture

The xcecd is composed of several key components:

• Main Process: Coordinates all components and manages the lifecycle
• Thread Pool: Handles concurrent request processing
• System Monitor: Collects and updates system resource information
• Process Manager: Manages child processes and their status
• Network Handler: Handles network communication and request receiving
• Resource Sync: Synchronizes and aggregates resource collection thread, system monitor, and job information

Contributing

Feel free to submit issues and enhancement requests!