From 2da8d6f2d152854a95713c4ca52f6b72242d39a5 Mon Sep 17 00:00:00 2001 From: Mike Taylor Date: Wed, 23 Oct 2002 13:32:57 +0000 Subject: [PATCH] Add ZOOM material; fix typos & formatting --- README.txt | 68 +++++++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 49 insertions(+), 19 deletions(-) diff --git a/README.txt b/README.txt index 27fd545..7dd6124 100644 --- a/README.txt +++ b/README.txt @@ -1,32 +1,42 @@ YAZ++ - A C++ library for YAZ -$Id: README.txt,v 1.10 2001-11-06 17:08:05 adam Exp $ +$Id: README.txt,v 1.11 2002-10-23 13:32:57 mike Exp $ -o Introduction + +Introduction +------------ YAZ++ is a C++ layer for YAZ and implements the ANSI Z39.50 -protocol for information retrieval (client - and server side). -YAZ homepage is: http://www.indexdata.dk/yaz/ +protocol for information retrieval (client and server side). +The YAZ homepage is: http://www.indexdata.dk/yaz/ YAZ++ uses the same license as YAZ - see LICENSE file for details. -o Overview + +Overview +-------- YAZ++ builds a programmers' library libyaz++.lib and a few example applications: + yaz-my-client basic client yaz-my-server basic server yaz-proxy not-so-basic proxy server Directory structure of the YAZ++ package: - -- src (C++ source) + -- src (C++ library and proxy source) + -- zoom (C++ source for ZOOM) -- include/yaz++ (C++ headers) + -- lib (compiled libraries) -- win (Windows build files) + -- doc (DocBook-format documentation) -o Installation, Unix -Make sure you have a C - and C++ compiler available. gcc and g++ works fine. +Installation, Unix +------------------ + +Make sure you have a C and C++ compiler available. gcc and g++ work fine. Before compilation can take place YAZ must be installed. It goes, roughly, like this: @@ -34,6 +44,9 @@ like this: $ cd yaz- $ ./configure $ make + $ su + # make install + $ ^D $ cd .. Then, build YAZ++: @@ -42,7 +55,9 @@ Then, build YAZ++: $ ./configure $ make -o Installation, Windows + +Installation, Windows +--------------------- YAZ++ for WIN32 should run on Windows 95/98/2K and Windows NT 4.0. Yaz++ was built using Microsoft Visual C++ 6.0. Other compilers @@ -55,46 +70,61 @@ those compilers. yazserver.dsp - builds yazmyserver.exe yazproxy.dsp - builds yazproxy.exe -o About the proxy.. + +About the proxy +--------------- For the proxy the actual target is determined in by the OtherInfo part of the InitRequest. We've defined an OID for this which we call -PROXY. OID is 1.2.840.10003.10.1000.81.1. +PROXY. The OID is 1.2.840.10003.10.1000.81.1. OtherInformation ::= [201] IMPLICIT SEQUENCE OF SEQUENCE{ - category [1] IMPLICIT InfoCategory OPTIONAL, + category [1] IMPLICIT InfoCategory OPTIONAL, information CHOICE{ - characterInfo [2] IMPLICIT InternationalString, - binaryInfo [3] IMPLICIT OCTET STRING, + characterInfo [2] IMPLICIT InternationalString, + binaryInfo [3] IMPLICIT OCTET STRING, externallyDefinedInfo [4] IMPLICIT EXTERNAL, - oid [5] IMPLICIT OBJECT IDENTIFIER}} + oid [5] IMPLICIT OBJECT IDENTIFIER}} -- InfoCategory ::= SEQUENCE{ - categoryTypeId [1] IMPLICIT OBJECT IDENTIFIER OPTIONAL, - categoryValue [2] IMPLICIT INTEGER} + categoryTypeId [1] IMPLICIT OBJECT IDENTIFIER OPTIONAL, + categoryValue [2] IMPLICIT INTEGER} The InfoCategory is present with categoryTypeId set to the PROXY OID and categoryValue set to 0. The information in OtherInformation uses characterInfo to represent the target using the form target[:port][/db]. -For the client that doesn't set the PROXY OtherInformation, a default +For clients that don't set the PROXY OtherInformation, a default target can be specified using option -t for proxy. Example: We start the proxy so that it listens on port 9000. The default - target is Bell Labs Library unless it is specified by a client in + target is Bell Labs Library unless it is overridden by a client in the InitRequest. $ ./yaz-proxy -t z3950.bell-labs.com/books @:9000 The client is started and talks to the proxy without specifying a target. Hence this client will talk to the Bell Labs server. + $ ./yaz-client localhost:9000 The client is started and it specifies the actual target itself. + $ ./yaz-client -p localhost:9000 bagel.indexdata.dk/gils For ZAP the equivalent would be proxy=localhost:9000 target=bagel.indexdata.dk/gils Simple, huh! + + +ZOOM-C++ +-------- + +The ZOOM library in this distribution implements the ZOOM C++ binding +described on the ZOOM web-site at + http://zoom.z3950.org/bind/cplusplus/index.html +It provides a simple but powerful API for constructing Z39.50 client +applications. See the documentation in doc/zoom.xml for much more +information. -- 1.7.10.4