4. Main Server
==============

The Main Server Process initializes all components on startup using configuation from
XML Configuration file.

4.1. Program Logic
------------------

4.1.1. Initialization
~~~~~~~~~~~~~~~~~~~~~

* Setup Shared Memory Segments
* Disable Signals / Setup Termination Handling
* Setup Server Listening Socket / Poll for Server Socket Filedescriptor
* Load / Init StaticFS recursive Filesystem Snapshot for each Virtual Host
* Init AS Handler Process (Fork all Application Server Processes)
* Init Result Processor (Fork Result Processor Process)
* Setup Connection Handler Instance
* Drop System Privileges
* Enter Server Loop

Workflow diagram see: :doc:`Graphical-Workflows` Section 1.3.1.

4.1.2. Main Loop
~~~~~~~~~~~~~~~~

.. code-block:: text

   - While Static::RunServer is True
     - Check for Socket Accept Client (New Connection)
       - Add Client FD to Connection Handler
     - Process Clients with waiting data (Connection Handler Method)

Workflow diagram see: :doc:`Graphical-Workflows` Section 1.3.2.