From 9b290690e4fab932c67b52ab8db0aa6415ac13f2 Mon Sep 17 00:00:00 2001 From: Mike Taylor Date: Tue, 17 Jan 2006 09:26:44 +0000 Subject: [PATCH] More information. --- doc/classes | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/doc/classes b/doc/classes index 61f5cbf..5c99ce2 100644 --- a/doc/classes +++ b/doc/classes @@ -1,4 +1,4 @@ -$Id: classes,v 1.3 2006-01-16 15:22:56 mike Exp $ +$Id: classes,v 1.4 2006-01-17 09:26:44 mike Exp $ A Hitch-Hiker's Guide to the YP2 Classes @@ -72,23 +72,32 @@ documented separately. Very, very briefly, though: - frontend_net: receives incoming Z39.50 and SRW PSUs - log: writes log messages - multi: fans out searches to multiple back-ends -- session_shared: ### no idea -- not used in sample configs -- template: ### no idea -- not used in sample configs +- session_shared: global sharing of cached result-sets +- template: NOT TO BE USED: just a template source file for new filters - virt_db: chooses which server/db to use based on database name - z3950_client: forwards PDUs to a nominated Z39.50 server ### What is "filter_dl.cpp"? It's to do with dynamic loading, but in what way and to what extent does it function as a filter? +See the file "filters" for more information. + + yp2::Package ------------ -### +Represents a package on its way through the series of filters that +make up a route. This is essentially a Z39.50 or SRU APDU together +with information about where it came from, which is modified as it +passes through the various filters. + yp2::Pipe --------- -### +This class provides a compatibility layer so that we have an IPC +mechanism that works the same under Unix and Windows. It's not +particularly exciting. yp2::Router and yp2::RouterChain -- 1.7.10.4