/*
 * Copyright (c) 1998,1999,2000
 *	Traakan, Inc., Los Altos, CA
 *	All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Project:  NDMJOB
 * Ident:    $Id: $
 *
 * Description:
 *
 */


#include "ndmagents.h"


#ifndef NDMOS_OPTION_NO_CONTROL_AGENT


int
ndmca_op_init_labels (struct ndm_session *sess)
{
	struct ndm_control_agent *ca = &sess->control_acb;
	struct ndm_job_param *	job = &ca->job;
	struct ndm_media_table *mtab = &job->media_tab;
	int			n_media = mtab->n_media;
	struct ndmmedia *	me;
	int			rc, i, errors;

	ca->tape_mode = NDMP9_TAPE_RDWR_MODE;
	ca->is_label_op = 1;

	if (n_media <= 0) {
		ndmalogf (sess, 0, 0, "No media entries in table");
		return -1;
	}

	errors = 0;
	for (i = 0; i < n_media; i++) {
		me = &mtab->media[i];

		if (me->valid_label)
			continue;

		ndmalogf (sess, 0, 0, "media #%d missing a label", i+1);
		errors++;
	}
	if (errors)
		return -1;

	rc = ndmca_op_robot_startup (sess, 1);
	if (rc) return rc;	/* already tattled */

	rc = ndmca_connect_tape_agent (sess);
	if (rc) {
		ndmconn_destruct (sess->plumb.tape);
		return rc;	/* already tattled */
	}

	for (i = 0; i < n_media; i++) {
		ca->cur_media_ix = i;

		me = &mtab->media[i];

		rc = ndmca_media_load_current (sess);
		if (rc) {
			/* already tattled */
			continue;
		}

		rc = ndmca_media_write_label (sess, 'm', me->label);
		if (rc) {
			ndmalogf (sess, 0, 0, "failed label write");
		}

		ndmca_media_write_filemarks(sess);
		ndmca_media_unload_current (sess);
	}

	return rc;
}

int
ndmca_op_list_labels (struct ndm_session *sess)
{
	struct ndm_control_agent *ca = &sess->control_acb;
	struct ndm_job_param *	job = &ca->job;
	struct ndm_media_table *mtab = &job->media_tab;
	int			n_media;
	char			labbuf[NDMMEDIA_LABEL_MAX];
	char			buf[200];
	struct ndmmedia *	me;
	int			rc, i;

	ca->tape_mode = NDMP9_TAPE_READ_MODE;
	ca->is_label_op = 1;

	rc = ndmca_op_robot_startup (sess, 0);
	if (rc) return rc;	/* already tattled */

	if (job->media_tab.n_media == 0) {
		if (job->have_robot) {
			rc = ndmca_robot_synthesize_media (sess);
			if (rc) return rc;	/* already tattled */
		} else {
			/*
			 * No fixup. Should be done by now.
			 * See ndma_job_auto_adjust()
			 */
		}
	}

	if ((rc = ndmca_connect_tape_agent (sess)) != 0) {
		ndmconn_destruct (sess->plumb.tape);
		return rc;	/* already tattled */
	}

	n_media = mtab->n_media;

	for (i = 0; i < n_media; i++) {
		ca->cur_media_ix = i;

		me = &mtab->media[i];

		rc = ndmca_media_load_current (sess);
		if (rc) {
			/* already tattled */
			continue;
		}

		rc = ndmca_media_read_label (sess, labbuf);
		if (rc == 'm' || rc == 'V') {
			strcpy (me->label, labbuf);
			me->valid_label = 1;
			ndmmedia_to_str (me, buf);
			ndmalogf (sess, "ME", 0, "%s", buf);
		} else {
			ndmalogf (sess, 0, 0, "failed label read");
		}
		ndmca_media_unload_current (sess);
	}

	return rc;
}

#endif /* !NDMOS_OPTION_NO_CONTROL_AGENT */