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/* $Id: ncbi_connector.c,v 6.7 2002/08/13 19:29:49 lavr Exp $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Anton Lavrentiev
*
* File Description:
* This is generally not for the public use.
* Implementation of functions of meta-connector.
*
*/
#include "ncbi_priv.h"
#include <connect/ncbi_connector.h>
/* Standard logging message
*/
#define METACONN_LOG(level, descr) \
CORE_LOGF(level, \
("%s (connector \"%s\", error \"%s\")", \
descr, (*meta->get_type)(meta->c_get_type), \
IO_StatusStr(status)))
extern EIO_Status METACONN_Remove
(SMetaConnector* meta,
CONNECTOR connector)
{
if (connector) {
CONNECTOR x_conn;
for (x_conn = meta->list; x_conn; x_conn = x_conn->next)
if (x_conn == connector)
break;
if (!x_conn) {
EIO_Status status = eIO_Unknown;
METACONN_LOG(eLOG_Error,
"[METACONN_Remove] Connector is not in connection");
return status;
}
}
while (meta->list) {
CONNECTOR victim = meta->list;
meta->list = victim->next;
victim->meta = 0;
victim->next = 0;
if (victim->destroy)
victim->destroy(victim);
if (victim == connector)
break;
}
return eIO_Success;
}
extern EIO_Status METACONN_Add
(SMetaConnector* meta,
CONNECTOR connector)
{
assert(connector && meta);
if (connector->next || !connector->setup) {
EIO_Status status = eIO_Unknown;
METACONN_LOG(eLOG_Error,
"[METACONN_Add] Input connector is in use/uninitable");
return status;
}
connector->setup(meta, connector);
connector->meta = meta;
connector->next = meta->list;
meta->list = connector;
return eIO_Success;
}
/*
* --------------------------------------------------------------------------
* $Log: ncbi_connector.c,v $
* Revision 6.7 2002/08/13 19:29:49 lavr
* Log moved to end
*
* Revision 6.6 2002/04/26 16:31:06 lavr
* Minor style changes in call-by-pointer functions
*
* Revision 6.5 2002/03/22 22:17:29 lavr
* No <stdlib.h> needed in here, removed
*
* Revision 6.4 2001/03/02 20:07:56 lavr
* Typo fixed
*
* Revision 6.3 2001/01/25 16:57:08 lavr
* METACONN_Remove revoked call to free() with connector:
* connector's DESTROY method is now (back) responsible to call free().
*
* Revision 6.2 2001/01/12 23:51:38 lavr
* Message logging modified for use LOG facility only
*
* Revision 6.1 2000/12/29 17:49:29 lavr
* Initial revision
*
* ==========================================================================
*/
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