boinc/doc/prefs_impl.html

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<pre>
In database:
user.global_prefs: XML, within <lt;global_preferences> tags
may be empty; nonempty only if user has actually seen
always includes <lt;mod_time> element
includes <lt;source_project>, <lt;source_scheduler> elements if
prefs came from another project
user.project_prefs: XML, within <lt;project_preferences> tags
always present.
contains at least <lt;resource_share> element
In client:
global_prefs.xml (present ONLY if have obtained from a server)
same as user.global_prefs,
but the following is inserted at start:
<lt;source_project>
<lt;source_scheduler>
stored in memory:
in parsed form (as struct)
account_XXX.xml
same as user.project_prefs, but with the following added:
<lt;master_url>
<lt;authenticator>
stored in memory:
in PROJECT struct
master_url, authenticator, resource share parsed;
project_specific_prefs raw XML (with enclosing tags)
RPC request:
includes global_prefs.xml if it's there
RPC handling and reply:
always send project prefs
if request message includes global prefs
if missing in DB, or request copy is newer:
install in DB
else if DB copy is newer
include DB copy in reply
else
if present in DB, include in reply
handling of RPC reply
if includes global prefs
insert <lt;source_project>, <lt;source_scheduler> elements if missing
write to global_prefs.xml
parse into memory
project prefs
insert <lt;master_url>, <lt;authenticator> elements,
write to account_XXX.xml file
parse; update resource share, project_specific_prefs in PROJECT struct
</pre>