| KYSDK-DBUS-WEBSOCKET(1) | User Commands | KYSDK-DBUS-WEBSOCKET(1) |
NAME
kysdk-dbus-websocket - KYLIN SDK D-Bus to WebSocket Bridge
SYNOPSIS
kysdk-dbus-websocket
DESCRIPTION
kysdk-dbus-websocket is a background service that provides a bridge between D-Bus system services and WebSocket connections. This service enables JavaScript applications to access KYLIN SDK D-Bus interfaces through WebSocket connections, facilitating web-based interaction with system-level functionality.
The service acts as a proxy that translates WebSocket messages to D-Bus method calls and signals, allowing web applications to interact with native system services without direct D-Bus access.
FEATURES
- D-Bus to WebSocket Bridge
- Translates between D-Bus protocol and WebSocket protocol
- JavaScript Interface
- Provides web-based access to D-Bus services for JavaScript applications
- Automatic Startup
- Configured to start automatically with the desktop session
- Background Operation
- Runs silently in the background without user interface
AUTOSTART CONFIGURATION
The service is configured to start automatically with the desktop environment:
- Desktop Entry
- Installed as a hidden desktop application (NoDisplay=true)
- Startup Delay
- Configured with a 15-second delay (X-MATE_Autostart-Delay=15)
- Execution Path
- /usr/bin/kysdk-dbus-websocket
FILES
- /usr/bin/kysdk-dbus-websocket
- Main executable file
- /etc/xdg/autostart/kysdk-dbus-websocket.desktop
- Autostart desktop entry file
- ~/.config/autostart/kysdk-dbus-websocket.desktop
- User-specific autostart configuration (if customized)
FUNCTIONALITY
- WebSocket Server
- Listens for WebSocket connections on a configured port
- D-Bus Proxy
- Forwards WebSocket requests to appropriate D-Bus services
- Signal Broadcasting
- Broadcasts D-Bus signals to connected WebSocket clients
- JSON Protocol
- Uses JSON formatting for message exchange between WebSocket clients and D-Bus services
SUPPORTED INTERFACES
The service typically bridges common KYLIN SDK D-Bus interfaces including: - System information services - Hardware monitoring services - Network management services - Power management services - Process management services
NETWORK CONFIGURATION
- WebSocket Port
- Listens on a predefined port (typically configured in the application)
- Local Access
- Usually restricted to localhost connections for security
- Protocol Support
- Supports standard WebSocket protocol with JSON message format
SECURITY
- Access Restrictions
- Limited to localhost connections to prevent remote exploitation
- Privilege Level
- Runs with user privileges, not system privileges
- Interface Filtering
- May implement filtering to restrict accessible D-Bus interfaces
DEPENDENCIES
- D-Bus
- For communication with system services
- WebSocket Library
- For WebSocket protocol implementation
- Desktop Environment
- For autostart functionality (MATE/GNOME/KDE)
MONITORING
- Process Status
- Can be monitored through standard process management tools
- Connection Tracking
- May provide connection statistics and client tracking
- Log Output
- Outputs to standard logging facilities
TROUBLESHOOTING
- Service Status
- Check if the process is running with "ps aux | grep kysdk-dbus-websocket"
- Manual Start
- Can be started manually by running "/usr/bin/kysdk-dbus-websocket"
- Log Files
- Check system logs or desktop environment logs for error messages
ENVIRONMENT
- DISPLAY
- Requires X11 display for desktop session integration
- DBUS_SESSION_BUS_ADDRESS
- Needs access to session D-Bus for service communication
- HOME
- Uses home directory for potential configuration files
AUTHOR
KylinSoft Co., Ltd.
COPYRIGHT
Copyright (C) 2023-2025, KylinSoft Co., Ltd.
This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
SEE ALSO
| 2025 | Version 1.0 |