graph LR
Core_Engine["Core Engine"]
Configuration_Manager["Configuration Manager"]
Network_Event_Management["Network & Event Management"]
Protocol_Processing_Modules["Protocol Processing Modules"]
Upstream_Proxy_Load_Balancing["Upstream Proxy & Load Balancing"]
Shared_Data_Caching["Shared Data & Caching"]
Extensibility_Framework["Extensibility Framework"]
Core_Engine -- "Initializes and manages" --> Configuration_Manager
Core_Engine -- "Initializes and manages" --> Shared_Data_Caching
Core_Engine -- "Initializes and manages" --> Extensibility_Framework
Core_Engine -- "Orchestrates" --> Network_Event_Management
Configuration_Manager -- "Provides configuration to" --> Core_Engine
Configuration_Manager -- "Provides configuration to" --> Protocol_Processing_Modules
Configuration_Manager -- "Interacts with" --> Extensibility_Framework
Network_Event_Management -- "Dispatches incoming connections/data to" --> Protocol_Processing_Modules
Network_Event_Management -- "Facilitates connections for" --> Upstream_Proxy_Load_Balancing
Network_Event_Management -- "Receives events from" --> Core_Engine
Protocol_Processing_Modules -- "Returns processed responses/data to" --> Network_Event_Management
Protocol_Processing_Modules -- "Forwards client requests to" --> Upstream_Proxy_Load_Balancing
Protocol_Processing_Modules -- "Accesses" --> Shared_Data_Caching
Protocol_Processing_Modules -- "Utilizes" --> Extensibility_Framework
Protocol_Processing_Modules -- "Receives settings from" --> Configuration_Manager
Upstream_Proxy_Load_Balancing -- "Returns backend responses to" --> Protocol_Processing_Modules
Upstream_Proxy_Load_Balancing -- "Connects via" --> Network_Event_Management
Shared_Data_Caching -- "Accessed by" --> Protocol_Processing_Modules
Extensibility_Framework -- "Utilized by" --> Protocol_Processing_Modules
Extensibility_Framework -- "Interacts with" --> Configuration_Manager
click Core_Engine href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Core_Engine.md" "Details"
click Configuration_Manager href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Configuration_Manager.md" "Details"
click Network_Event_Management href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Network_Event_Management.md" "Details"
click Protocol_Processing_Modules href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Protocol_Processing_Modules.md" "Details"
click Upstream_Proxy_Load_Balancing href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Upstream_Proxy_Load_Balancing.md" "Details"
click Shared_Data_Caching href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Shared_Data_Caching.md" "Details"
click Extensibility_Framework href "https://github.com/CodeBoarding/GeneratedOnBoardings/blob/main/nginx/Extensibility_Framework.md" "Details"
Abstract overview of NGINX components and their relationships.
Core Engine [Expand]
The central orchestrator responsible for NGINX's lifecycle, including process management (master-worker model), signal handling, and managing the main event loop. It initializes and oversees other core components.
Related Classes/Methods: None
Configuration Manager [Expand]
Handles the parsing, validation, and loading of the NGINX configuration file (nginx.conf). It translates directives into internal data structures and provides configuration data to other modules.
Related Classes/Methods: None
Network & Event Management [Expand]
Manages low-level network operations, including accepting new connections, handling non-blocking I/O (e.g., epoll, kqueue), and dispatching network events to appropriate handlers.
Related Classes/Methods: None
Protocol Processing Modules [Expand]
A collection of modules (e.g., HTTP, Stream, Mail) responsible for handling specific network protocols. They manage connection lifecycles, parse requests/responses, and apply various processing filters and directives.
Related Classes/Methods: None
Upstream Proxy & Load Balancing [Expand]
Manages communication with backend servers (upstreams). This component handles load balancing, health checks, and connection pooling for various proxy protocols.
Related Classes/Methods: None
Shared Data & Caching [Expand]
Provides mechanisms for inter-process communication and shared data storage, primarily used by worker processes for caching, session state, and rate limiting.
Related Classes/Methods: None
Extensibility Framework [Expand]
Defines the interfaces and mechanisms that allow NGINX's functionality to be extended through dynamic or static modules, providing hooks for various processing phases.
Related Classes/Methods: None