2011-01-27 08:24:56 +00:00
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Code flow
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=========
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2011-01-26 11:23:40 +00:00
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2011-01-27 08:24:56 +00:00
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[X] Command line processing (Command line option can override the place of the
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configuration file)
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[X] Configuration file processing (Command line options override configuration
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global values like modules directory, log destination)
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2011-01-26 11:23:40 +00:00
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[ ] Create logger thread
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[ ] Start logging according to configuration
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[ ] Load modules
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[ ] Load module file
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[ ] Run initialization function to...
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[ ] Register extensions
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[ ] Create special interfaces
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[ ] Register to hooks
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[ ] Create interfaces
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[ ] Create listener thread and sockets
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[ ] Create stream processing threads
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[ ] Associate stream processing threads with sockets
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[ ] Assign extensions to stream processing threads
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[ ] Process extension configuration directives
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[ ] Start socket thread
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When new connection arrives
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[ ] Create peer object
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[ ] Associate with corresponding stream interface
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2011-01-27 08:24:56 +00:00
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[ ] Run main loop
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[ ] Socket thread
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[ ] New connections
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[ ] Run "before-accept" hook
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[ ] Create client object unless connection is dropped in
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"before-accept"
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[ ] Run "after-accept" hooks
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[ ] Install "always-install" extensions on client
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[ ] Wait for remote XML Stream to start
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[ ] Assign client to correct interface
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[ ] Old connections
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[ ] Run "layer-accept" hooks
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[ ] Run "before-interface" hooks
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[ ] Pass to assigned interface
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[ ] Run "after-interface" hooks
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[ ] Logging thread
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[ ] Process received lines one by one. Errors first, info next, debug
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last
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[ ] Interface threads
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[ ] Receive data from socket thread
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[ ] Run "before-process" hooks
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[ ] Process stream
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[ ] Run "after-process" hooks
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[ ] Run "before-send" hooks
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[ ] Send packet to destination if packet is finished
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[ ] Run "after-send" hooks
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During the connection additional extensions can be installed on the client,
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like the layer-tls module's TLS encryptions extension.
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Authentication
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==============
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When a client requests authentication, client credentials get through the
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authentication module(s) associated with the interface. This authentication
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module must always check the jid via an user storage module, and if necessary,
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it should get the password (or any other credentials like a X509 certificate's
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Common Name field, or a Kerberos principal name) from this storage module,
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either.
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