Docs InternalFastCGI » History » Revision 10
Revision 9 (Anonymous, 2007-12-17 14:26) → Revision 10/11 (stbuehler, 2009-02-17 10:15)
h1. [[TracNav(DocsToc)]] <pre> #!rst ================= FastCGI Internals ================= {{>toc}} --------------- Module: fastcgi --------------- h2. .. contents:: Table of Contents Description =========== h3. States ------ The FastCGI state machine currently consists of six states, each of which is visited in turn as a connection is processed. * init :init: prepare for a connection * connect :connect: wait for a connection * prepwrite :prepwrite: build the request * write :write: write the request to the network * read :read: read the response from network and push it to the write queue * close :close: terminate the connection h3. Delays ------ The connect, write, and read states may need to wait for an fdevent. The delays are represented by loops in the state diagram below. !internal-fastcgi-states.png! </pre> <pre> #!graphviz digraph fcgistate { init -> connect -> prepwrite -> write -> read -> close write -> write read -> read connect -> connect } </pre>