/*
- * Copyright (c) 2005 Zmanda, Inc. All Rights Reserved.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License version 2.1 as
- * published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but
+ * Copyright (c) 2007,2008,2009 Zmanda, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * Contact information: Zmanda Inc., 505 N Mathlida Ave, Suite 120
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
* Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
*/
#include <device.h>
+/* Unlike other Device classes, this class is implemented across multiple source
+ * files, so its class declaration is placed in a header file.
+ */
+
/*
* Type checking and casting macros
*/
+
#define TYPE_TAPE_DEVICE (tape_device_get_type())
#define TAPE_DEVICE(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), tape_device_get_type(), TapeDevice)
#define TAPE_DEVICE_CONST(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), tape_device_get_type(), TapeDevice const)
#define TAPE_DEVICE_CLASS(klass) G_TYPE_CHECK_CLASS_CAST((klass), tape_device_get_type(), TapeDeviceClass)
#define IS_TAPE_DEVICE(obj) G_TYPE_CHECK_INSTANCE_TYPE((obj), tape_device_get_type ())
-
#define TAPE_DEVICE_GET_CLASS(obj) G_TYPE_INSTANCE_GET_CLASS((obj), tape_device_get_type(), TapeDeviceClass)
+GType tape_device_get_type (void);
/*
* Main object structure
/* It should go without saying that all this stuff is
* look-but-don't-touch. */
- guint min_block_size, max_block_size, fixed_block_size, read_block_size;
- FeatureSupportFlags fsf, bsf, fsr, bsr, eom, bsf_after_eom;
+
+ /* characteristics of the device */
+ gboolean fsf, bsf, fsr, bsr, eom, bsf_after_eom, broken_gmt_online;
+ gboolean nonblocking_open, fsf_after_filemark;
int final_filemarks;
- gboolean compression;
+
/* 0 if we opened with O_RDWR; error otherwise. */
gboolean write_open_errno;
- gboolean first_file; /* Is this the first file in append mode? */
int fd;
TapeDevicePrivate * private;
DeviceClass __parent__;
};
+/* Tape device properties. These properties do not exist on non-linear
+ devices. */
+extern DevicePropertyBase device_property_broken_gmt_online;
+#define PROPERTY_BROKEN_GMT_ONLINE (device_property_broken_gmt_online.ID)
-/*
- * Public methods
- */
-GType tape_device_get_type (void);
-Device* tape_device_factory (char * type,
- char * name);
-void tape_device_register (void);
+extern DevicePropertyBase device_property_fsf;
+#define PROPERTY_FSF (device_property_fsf.ID)
+
+extern DevicePropertyBase device_property_fsf_after_filemark;
+#define PROPERTY_FSF_AFTER_FILEMARK (device_property_fsf_after_filemark.ID)
+
+extern DevicePropertyBase device_property_bsf;
+#define PROPERTY_BSF (device_property_bsf.ID)
+
+extern DevicePropertyBase device_property_fsr;
+#define PROPERTY_FSR (device_property_fsr.ID)
+
+extern DevicePropertyBase device_property_bsr;
+#define PROPERTY_BSR (device_property_bsr.ID)
+
+/* Is EOM supported? Must be able to read file number afterwards as
+ well. */
+extern DevicePropertyBase device_property_eom;
+#define PROPERTY_EOM (device_property_eom.ID)
+
+/* Is it necessary to perform a BSF after EOM? */
+extern DevicePropertyBase device_property_bsf_after_eom;
+#define PROPERTY_BSF_AFTER_EOM (device_property_bsf_after_eom.ID)
+
+/* Should the device be opened with O_NONBLOCK */
+extern DevicePropertyBase device_property_nonblocking_open;
+#define PROPERTY_NONBLOCKING_OPEN (device_property_nonblocking_open.ID)
+
+/* How many filemarks to write at EOD? (Default is 2).
+ * This property is a G_TYPE_UINT, but can only really be set to 1 or 2. */
+extern DevicePropertyBase device_property_final_filemarks;
+#define PROPERTY_FINAL_FILEMARKS (device_property_final_filemarks.ID)
+
+/* useful callback for tape ops */
+void tape_device_set_capabilities(TapeDevice *self,
+ gboolean fsf, PropertySurety fsf_surety, PropertySource fsf_source,
+ gboolean fsf_after_filemark, PropertySurety faf_surety, PropertySource faf_source,
+ gboolean bsf, PropertySurety bsf_surety, PropertySource bsf_source,
+ gboolean fsr, PropertySurety fsr_surety, PropertySource fsr_source,
+ gboolean bsr, PropertySurety bsr_surety, PropertySource bsr_source,
+ gboolean eom, PropertySurety eom_surety, PropertySource eom_source,
+ gboolean bsf_after_eom, PropertySurety bae_surety, PropertySource bae_source,
+ guint final_filemarks, PropertySurety ff_surety, PropertySource ff_source);
#endif