Imported Upstream version 2.02.79upstream/2.02.79

1 files changed, 121 insertions, 0 deletions

diff --git a/lib/commands/toolcontext.h b/lib/commands/toolcontext.h
new file mode 100644
index 0000000..4628c7c
--- /dev/null
+++ b/lib/commands/toolcontext.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.  
+ * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
+ *
+ * You should have received a copy of the GNU Lesser 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
+ */
+
+#ifndef _LVM_TOOLCONTEXT_H
+#define _LVM_TOOLCONTEXT_H
+
+#include "dev-cache.h"
+
+#include <stdio.h>
+#include <limits.h>
+
+/*
+ * Config options that can be changed while commands are processed
+ */
+struct config_info {
+	int debug;
+	int verbose;
+	int test;
+	int syslog;
+	int activation;
+	int suffix;
+	int archive;		/* should we archive ? */
+	int backup;		/* should we backup ? */
+	int read_ahead;		/* DM_READ_AHEAD_NONE or _AUTO */
+	int udev_rules;
+	int udev_sync;
+	int cache_vgmetadata;
+	const char *msg_prefix;
+	const char *fmt_name;
+	uint64_t unit_factor;
+	int cmd_name;		/* Show command name? */
+	mode_t umask;
+	char unit_type;
+	char _padding[1];
+};
+
+struct config_tree;
+struct archive_params;
+struct backup_params;
+struct arg_values;
+
+/* FIXME Split into tool & library contexts */
+/* command-instance-related variables needed by library */
+struct cmd_context {
+	struct dm_pool *libmem;	/* For permanent config data */
+	struct dm_pool *mem;	/* Transient: Cleared between each command */
+
+	const struct format_type *fmt;	/* Current format to use by default */
+	struct format_type *fmt_backup;	/* Format to use for backups */
+
+	struct dm_list formats;	/* Available formats */
+	struct dm_list segtypes;	/* Available segment types */
+	const char *hostname;
+	const char *kernel_vsn;
+
+	unsigned rand_seed;
+	const char *cmd_line;
+	struct command *command;
+	char **argv;
+	struct arg_values *arg_values;
+	struct dm_list arg_value_groups;
+	unsigned is_long_lived:1;	/* Optimises persistent_filter handling */
+	unsigned handles_missing_pvs:1;
+	unsigned handles_unknown_segments:1;
+	unsigned partial_activation:1;
+	unsigned si_unit_consistency:1;
+	unsigned metadata_read_only:1;
+
+	unsigned independent_metadata_areas:1;	/* Active formats have MDAs outside PVs */
+
+	struct dev_filter *filter;
+	int dump_filter;	/* Dump filter when exiting? */
+
+	struct dm_list config_files;
+	int config_valid;
+	struct config_tree *cft;
+	struct config_tree *cft_override;
+	struct config_info default_settings;
+	struct config_info current_settings;
+
+	struct archive_params *archive_params;
+	struct backup_params *backup_params;
+	const char *stripe_filler;
+
+	/* List of defined tags */
+	struct dm_list tags;
+	int hosttags;
+
+	char system_dir[PATH_MAX];
+	char dev_dir[PATH_MAX];
+	char proc_dir[PATH_MAX];
+	char sysfs_dir[PATH_MAX]; /* FIXME Use global value instead. */
+};
+
+/*
+ * system_dir may be NULL to use the default value.
+ * The environment variable LVM_SYSTEM_DIR always takes precedence.
+ */
+struct cmd_context *create_toolcontext(unsigned is_long_lived,
+				       const char *system_dir);
+void destroy_toolcontext(struct cmd_context *cmd);
+int refresh_toolcontext(struct cmd_context *cmd);
+int refresh_filters(struct cmd_context *cmd);
+int config_files_changed(struct cmd_context *cmd);
+int init_lvmcache_orphans(struct cmd_context *cmd);
+
+struct format_type *get_format_by_name(struct cmd_context *cmd, const char *format);
+
+#endif