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302 lines
17 KiB
302 lines
17 KiB
4 years ago
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/***************************************************************************/
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/* */
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/* Project: OpenSLP - OpenSource implementation of Service Location */
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/* Protocol Version 2 */
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/* */
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/* File: slpd_database.h */
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/* */
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/* Abstract: Implements database abstraction. Currently a simple */
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/* double linked list (common/slp_database.c) is used for the */
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/* underlying storage. */
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/* */
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/*-------------------------------------------------------------------------*/
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/* */
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/* Please submit patches to http://www.openslp.org */
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/* */
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/*-------------------------------------------------------------------------*/
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/* */
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/* Copyright (C) 2000 Caldera Systems, Inc */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without */
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/* modification, are permitted provided that the following conditions are */
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/* met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the */
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/* distribution. */
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/* */
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/* Neither the name of Caldera Systems nor the names of its */
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/* contributors may be used to endorse or promote products derived */
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/* from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* `AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */
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/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CALDERA */
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/* SYSTEMS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */
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/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */
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/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/***************************************************************************/
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#ifndef SLPD_DATABASE_H_INCLUDED
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#define SLPD_DATABASE_H_INCLUDED
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#include "slpd.h"
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/*=========================================================================*/
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/* Common code includes */
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/*=========================================================================*/
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#include "slp_database.h"
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#define SLPDDATABASE_INITIAL_URLCOUNT 256
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#define SLPDDATABASE_INITIAL_SRVTYPELISTLEN 2048
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/*=========================================================================*/
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typedef struct _SLPDDatabase
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/*=========================================================================*/
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{
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SLPDatabase database;
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int urlcount;
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int srvtypelistlen;
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}SLPDDatabase;
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/*=========================================================================*/
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typedef struct _SLPDDatabaseSrvRqstResult
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/*=========================================================================*/
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{
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void* reserved;
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SLPUrlEntry** urlarray;
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int urlcount;
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}SLPDDatabaseSrvRqstResult;
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/*=========================================================================*/
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typedef struct _SLPDDatabaseSrvTypeRqstResult
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/*=========================================================================*/
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{
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void* reserved;
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char* srvtypelist;
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int srvtypelistlen;
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}SLPDDatabaseSrvTypeRqstResult;
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/*=========================================================================*/
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typedef struct _SLPDDatabaseAttrRqstResult
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/*=========================================================================*/
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{
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void* reserved;
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char* attrlist;
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int attrlistlen;
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SLPAuthBlock* autharray;
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int authcount;
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int ispartial;
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}SLPDDatabaseAttrRqstResult;
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/*=========================================================================*/
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void SLPDDatabaseAge(int seconds, int ageall);
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/* Ages the database entries and clears new and deleted entry lists */
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/* */
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/* seconds (IN) the number of seconds to age each entry by */
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/* */
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/* ageall (IN) age even entries with SLP_LIFETIME_MAXIMUM */
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/* */
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/* Returns - None */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseReg(SLPMessage msg, SLPBuffer buf);
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/* Add a service registration to the database */
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/* */
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/* msg (IN) SLPMessage of a SrvReg message as returned by */
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/* SLPMessageParse() */
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/* */
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/* buf (IN) Otherwise unreferenced buffer interpreted by the msg */
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/* structure */
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/* */
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/* Returns - Zero on success. Nonzero on error */
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/* */
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/* NOTE: All registrations are treated as fresh */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseDeReg(SLPMessage msg);
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/* Remove a service registration from the database */
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/* */
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/* msg - (IN) message interpreting an SrvDereg message */
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/* */
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/* Returns - Zero on success. Non-zero on failure */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseSrvRqstStart(SLPMessage msg,
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SLPDDatabaseSrvRqstResult** result);
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/* Find services in the database */
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/* */
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/* msg (IN) the SrvRqst to find. */
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/* */
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/* result (OUT) pointer result structure */
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/* */
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/* Returns - Zero on success. Non-zero on failure */
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/* */
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/* Note: Caller must pass *result to SLPDDatabaseSrvRqstEnd() to free */
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/*=========================================================================*/
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/*=========================================================================*/
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void SLPDDatabaseSrvRqstEnd(SLPDDatabaseSrvRqstResult* result);
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/* Release resources used to find services in the database */
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/* */
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/* result (IN) pointer result structure previously passed to */
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/* SLPDDatabaseSrvRqstStart */
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/* */
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/* Returns - None */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseSrvTypeRqstStart(SLPMessage msg,
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SLPDDatabaseSrvTypeRqstResult** result);
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/* Find service types in the database */
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/* */
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/* msg (IN) the SrvTypRqst to find. */
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/* */
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/* result (OUT) pointer result structure */
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/* */
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/* Returns - Zero on success. Non-zero on failure */
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/* */
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/* Note: Caller must pass *result to SLPDDatabaseSrvtypeRqstEnd() to */
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/* free */
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/*=========================================================================*/
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/*=========================================================================*/
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void SLPDDatabaseSrvTypeRqstEnd(SLPDDatabaseSrvTypeRqstResult* result);
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/* Release resources used to find service types in the database */
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/* */
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/* result (IN) pointer result structure previously passed to */
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/* SLPDDatabaseSrvTypeRqstStart */
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/* */
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/* Returns - None */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseAttrRqstStart(SLPMessage msg,
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SLPDDatabaseAttrRqstResult** result);
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/* Find attributes in the database */
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/* */
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/* msg (IN) the AttrRqst to find. */
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/* */
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/* result (OUT) pointer result structure */
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/* */
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/* Returns - Zero on success. Non-zero on failure */
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/* */
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/* Note: Caller must pass *result to SLPDDatabaseAttrRqstEnd() to */
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/* free */
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/*=========================================================================*/
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/*=========================================================================*/
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void SLPDDatabaseAttrRqstEnd(SLPDDatabaseAttrRqstResult* result);
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/* Release resources used to find attributes in the database */
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/* */
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/* result (IN) pointer result structure previously passed to */
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/* SLPDDatabaseSrvTypeRqstStart */
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/* */
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/* Returns - None */
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/*=========================================================================*/
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/*=========================================================================*/
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void* SLPDDatabaseEnumStart();
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/* Start an enumeration of the entire database */
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/* */
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/* Returns: An enumeration handle that is passed to subsequent calls to */
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/* SLPDDatabaseEnum(). Returns NULL on failure. Returned */
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/* enumeration handle (if not NULL) must be passed to */
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/* SLPDDatabaseEnumEnd() when you are done with it. */
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/*=========================================================================*/
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/*=========================================================================*/
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SLPMessage SLPDDatabaseEnum(void* eh, SLPMessage* msg, SLPBuffer* buf);
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/* Enumerate through all entries of the database */
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/* */
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/* eh (IN) pointer to opaque data that is used to maintain */
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/* enumerate entries. Pass in a pointer to NULL to start */
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/* enumeration. */
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/* */
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/* msg (OUT) pointer to the SrvReg message that discribes buf */
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/* */
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/* buf (OUT) pointer to the SrvReg message buffer */
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/* */
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/* returns: Pointer to enumerated entry or NULL if end of enumeration */
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/*=========================================================================*/
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/*=========================================================================*/
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void SLPDDatabaseEnumEnd(void* eh);
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/* End an enumeration started by SLPDDatabaseEnumStart() */
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/* */
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/* Parameters: eh (IN) The enumeration handle returned by */
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/* SLPDDatabaseEnumStart() */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseIsEmpty();
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/* Returns an boolean value indicating whether the database is empty */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseInit(const char* regfile);
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/* Initialize the database with registrations from a regfile. */
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/* */
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/* regfile (IN) the regfile to register. Pass in NULL for no regfile */
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/* */
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/* Returns - zero on success or non-zero on error. */
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/*=========================================================================*/
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/*=========================================================================*/
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int SLPDDatabaseReInit(const char* regfile);
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/* Re-initialize the database with changed registrations from a regfile. */
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/* */
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/* regfile (IN) the regfile to register. */
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/* */
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/* Returns - zero on success or non-zero on error. */
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/*=========================================================================*/
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#ifdef DEBUG
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/*=========================================================================*/
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void SLPDDatabaseDeinit(void);
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/* Cleans up all resources used by the database */
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/*=========================================================================*/
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/*=========================================================================*/
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void SLPDDatabaseDump(void);
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/* Dumps currently valid service registrations present with slpd */
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/*=========================================================================*/
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#endif
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#endif /* not defined SLPD_DATABASE_H_INCLUDED */
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