path: root/sys-fs/device-mapper/files/device-mapper-1.02.22-export-format-r1.diff

diff -Nur device-mapper.1.02.22.orig/dmsetup/dmsetup.c device-mapper.1.02.22/dmsetup/dmsetup.c
--- device-mapper.1.02.22.orig/dmsetup/dmsetup.c	2007-10-09 09:51:48.000000000 -0400
+++ device-mapper.1.02.22/dmsetup/dmsetup.c	2007-10-09 09:52:02.000000000 -0400
@@ -107,6 +107,7 @@
 enum {
 	READ_ONLY = 0,
 	COLS_ARG,
+	EXPORT_ARG,
 	EXEC_ARG,
 	FORCE_ARG,
 	GID_ARG,
@@ -137,7 +138,8 @@
 	DR_TASK = 1,
 	DR_INFO = 2,
 	DR_DEPS = 4,
-	DR_TREE = 8	/* Complete dependency tree required */
+	DR_TREE = 8,	/* Complete dependency tree required */
+	DR_TABLE = 0x10, /* table is required, not just info */
 } report_type_t;
 
 static int _switches[NUM_SWITCHES];
@@ -1105,8 +1107,13 @@
 			name = argv[1];
 	}
 
-	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
-		return 0;
+	if (_report_type & DR_TABLE ) {
+		if (!(dmt = dm_task_create(DM_DEVICE_TABLE)))
+			return 0;
+	} else {
+		if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
+			return 0;
+	}
 
 	if (!_set_task_device(dmt, name, 0))
 		goto out;
@@ -1570,6 +1577,16 @@
 	return dm_report_field_uint32(rh, field, &value);
 }
 
+static int _int_disp(struct dm_report *rh,
+		      struct dm_pool *mem __attribute((unused)),
+		      struct dm_report_field *field, const void *data,
+		      void *private __attribute((unused)))
+{
+	const int value = *(const int *)data;
+
+	return dm_report_field_int(rh, field, &value);
+}
+
 static int _dm_name_disp(struct dm_report *rh,
 			 struct dm_pool *mem __attribute((unused)),
 			 struct dm_report_field *field, const void *data,
@@ -1611,6 +1628,66 @@
 	return dm_report_field_string(rh, field, &s);
 }
 
+static int _dm_info_cleartext_status_disp(struct dm_report *rh,
+					 struct dm_pool *mem __attribute((unused)),
+					 struct dm_report_field *field, const void *data,
+					 void *private __attribute((unused)))
+{
+	const char *buf = "NOTPRESENT";
+	const struct dm_info *info = data;
+
+	if (info->exists) {
+		if (info->suspended)
+			buf = "SUSPENDED";
+		else
+			buf = info->read_only ? " READONLY" : "ACTIVE";
+	}
+		
+	return dm_report_field_string(rh, field, &buf);
+}
+
+static int _dm_info_target_types_disp(struct dm_report *rh,
+					 struct dm_pool *mem __attribute((unused)),
+					 struct dm_report_field *field, const void *data,
+					 void *private __attribute((unused)))
+{
+	char buf[1024];
+	char *dest = buf;
+	int remains = sizeof(buf);
+	int written;
+	const char *s = buf;
+	struct dm_task *dmt = (struct dm_task *) data;
+	void *next = NULL;
+	uint64_t start, length;
+	char *target_type = NULL;
+	char *params;
+
+
+	buf[0] = '\0';
+	
+	next = dm_get_next_target(dmt, next, &start, &length,
+				  &target_type, &params);
+	if (target_type) {
+		written = snprintf(dest, remains, "%s", target_type);
+		dest += written;
+		remains -= written;
+
+		while (remains > 0 && next) {
+			next = dm_get_next_target(dmt, next, &start, &length,
+						  &target_type, &params);
+			if (target_type) {
+				written = snprintf(dest, remains, ",%s", target_type);
+				dest += written;
+				remains -= written;
+			}
+		}
+	}
+
+	buf[sizeof(buf)-1] = '\0';
+	
+	return dm_report_field_string(rh, field, &s);
+}
+
 static int _dm_info_devno_disp(struct dm_report *rh, struct dm_pool *mem,
 			       struct dm_report_field *field, const void *data,
 			       void *private)
@@ -1834,11 +1911,12 @@
 	{ DR_INFO, "Mapped Device Information", "", _info_get_obj },
 	{ DR_DEPS, "Mapped Device Relationship Information", "", _deps_get_obj },
 	{ DR_TREE, "Mapped Device Relationship Information", "", _tree_get_obj },
+	{ DR_TABLE, "Mapped Device Table", "", _task_get_obj },
 	{ 0, "", "", NULL },
 };
 
 /* Column definitions */
-#define OFFSET_OF(strct, field) ((unsigned int) &((struct strct *)NULL)->field)
+#define OFFSET_OF(strct, field) ((unsigned long) &((struct strct *)NULL)->field)
 #define STR (DM_REPORT_FIELD_TYPE_STRING)
 #define NUM (DM_REPORT_FIELD_TYPE_NUMBER)
 #define FIELD_O(type, strct, sorttype, head, field, width, func, id, desc) {DR_ ## type, sorttype, OFFSET_OF(strct, field), width, id, head, &_ ## func ## _disp, desc},
@@ -1849,6 +1927,7 @@
 FIELD_F(TASK, STR, "Name", 16, dm_name, "name", "Name of mapped device.")
 FIELD_F(TASK, STR, "UUID", 32, dm_uuid, "uuid", "Unique (optional) identifier for mapped device.")
 FIELD_F(INFO, STR, "Stat", 4, dm_info_status, "attr", "(L)ive, (I)nactive, (s)uspended, (r)ead-only, read-(w)rite.")
+FIELD_F(INFO, STR, "State", 1, dm_info_cleartext_status, "status", "State as cleartext.")
 FIELD_F(INFO, STR, "DevNo", 5, dm_info_devno, "devno", "Device major and minor numbers")
 FIELD_O(INFO, dm_info, NUM, "Maj", major, 3, int32, "major", "Block device major number.")
 FIELD_O(INFO, dm_info, NUM, "Min", minor, 3, int32, "minor", "Block device minor number.")
@@ -1856,6 +1935,11 @@
 FIELD_O(INFO, dm_info, NUM, "Targ", target_count, 4, int32, "segments", "Number of segments in live table, if present.")
 FIELD_O(INFO, dm_info, NUM, "Event", event_nr, 6, uint32, "events", "Number of most recent event.")
 
+FIELD_O(INFO, dm_info, NUM, "RO", read_only, 2, int, "read_only", "Read only.")
+FIELD_O(INFO, dm_info, NUM, "Ex", exists, 2, int, "exists", "Exists.")
+FIELD_O(INFO, dm_info, NUM, "Susp", suspended, 4, int, "suspended", "Suspended.")
+FIELD_O(INFO, dm_info, NUM, "tab_live", live_table, 8, int, "table_live", "Live table.")
+FIELD_O(INFO, dm_info, NUM, "tab_inact", inactive_table, 9, int, "table_inactive", "Inactive table.")
 FIELD_O(DEPS, dm_deps, NUM, "#Devs", count, 5, int32, "device_count", "Number of devices used by this one.")
 FIELD_F(TREE, STR, "DevNames", 8, dm_deps_names, "devs_used", "List of names of mapped devices used by this one.")
 FIELD_F(DEPS, STR, "DevNos", 6, dm_deps, "devnos_used", "List of device numbers of devices used by this one.")
@@ -1863,6 +1947,7 @@
 FIELD_F(TREE, NUM, "#Refs", 5, dm_tree_parents_count, "device_ref_count", "Number of mapped devices referencing this one.")
 FIELD_F(TREE, STR, "RefNames", 8, dm_tree_parents_names, "names_using_dev", "List of names of mapped devices using this one.")
 FIELD_F(TREE, STR, "RefDevNos", 9, dm_tree_parents_devs, "devnos_using_dev", "List of device numbers of mapped devices using this one.")
+FIELD_F(TABLE, STR, "Targettypes", 32, dm_info_target_types, "target_types", "Used target types.")
 {0, 0, 0, 0, "", "", NULL, NULL},
 /* *INDENT-ON* */
 };
@@ -1873,13 +1958,15 @@
 #undef FIELD_F
 
 static const char *default_report_options = "name,major,minor,attr,open,segments,events,uuid";
+static const char *default_export_options = "name,major,minor,status,read_only,exists,suspended,table_live,table_inactive,open,segments,events,uuid,target_types";
 
 static int _report_init(struct command *c)
 {
-	char *options = (char *) default_report_options;
+	char *default_options = (char *) default_report_options;
+	char *options;
 	const char *keys = "";
 	const char *separator = " ";
-	int aligned = 1, headings = 1, buffered = 1;
+	int aligned = 1, headings = 1, buffered = 1, export = 0;
 	uint32_t flags = 0;
 	size_t len = 0;
 	int r = 0;
@@ -1894,6 +1981,15 @@
 	if (_switches[UNBUFFERED_ARG])
 		buffered = 0;
 
+	if (_switches[EXPORT_ARG]) {
+		default_options = (char *) default_export_options;
+		separator = "\n";
+		aligned = 0;
+		headings = 0;
+		export = 1;
+	}
+
+	options = default_options;
 	if (_switches[OPTIONS_ARG] && _string_args[OPTIONS_ARG]) {
 		if (*_string_args[OPTIONS_ARG] != '+')
 			options = _string_args[OPTIONS_ARG];
@@ -1936,6 +2032,9 @@
 	if (headings)
 		flags |= DM_REPORT_OUTPUT_HEADINGS;
 
+	if (export)
+		flags |= DM_REPORT_OUTPUT_EXPORT;
+
 	if (!(_report = dm_report_init(&_report_type,
 				       _report_types, _report_fields,
 				       options, separator, flags, keys, NULL)))
@@ -2010,7 +2109,8 @@
 	fprintf(out, "Usage:\n\n");
 	fprintf(out, "dmsetup [--version] [-v|--verbose [-v|--verbose ...]]\n"
 		"        [-r|--readonly] [--noopencount] [--nolockfs]\n"
-		"        [-c|-C|--columns] [-o <fields>] [-O|--sort <sort_fields>]\n"
+		"        [-c|-C|--columns] [-e|--export]\n"
+		"        [-o <fields>] [-O|--sort <sort_fields>]\n"
 		"        [--noheadings] [--separator <separator>]\n\n");
 	for (i = 0; _commands[i].name; i++)
 		fprintf(out, "\t%s %s\n", _commands[i].name, _commands[i].help);
@@ -2354,6 +2454,7 @@
 	static struct option long_options[] = {
 		{"readonly", 0, &ind, READ_ONLY},
 		{"columns", 0, &ind, COLS_ARG},
+		{"export", 0, &ind, EXPORT_ARG},
 		{"exec", 1, &ind, EXEC_ARG},
 		{"force", 0, &ind, FORCE_ARG},
 		{"gid", 1, &ind, GID_ARG},
@@ -2431,12 +2532,16 @@
 
 	optarg = 0;
 	optind = OPTIND_INIT;
-	while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCfGj:m:Mno:O:ru:Uv",
+	while ((ind = -1, c = GETOPTLONG_FN(*argc, *argv, "cCefGj:m:Mno:O:ru:Uv",
 					    long_options, NULL)) != -1) {
 		if (c == ':' || c == '?')
 			return 0;
 		if (c == 'c' || c == 'C' || ind == COLS_ARG)
 			_switches[COLS_ARG]++;
+		if (c == 'e' || ind == EXPORT_ARG) {
+			_switches[EXPORT_ARG]++;
+			_switches[COLS_ARG]++;
+		}
 		if (c == 'f' || ind == FORCE_ARG)
 			_switches[FORCE_ARG]++;
 		if (c == 'r' || ind == READ_ONLY)
diff -Nur device-mapper.1.02.22.orig/lib/libdevmapper.h device-mapper.1.02.22/lib/libdevmapper.h
--- device-mapper.1.02.22.orig/lib/libdevmapper.h	2007-10-09 09:51:48.000000000 -0400
+++ device-mapper.1.02.22/lib/libdevmapper.h	2007-10-09 09:52:02.000000000 -0400
@@ -715,6 +715,7 @@
 #define DM_REPORT_OUTPUT_ALIGNED	0x00000001
 #define DM_REPORT_OUTPUT_BUFFERED	0x00000002
 #define DM_REPORT_OUTPUT_HEADINGS	0x00000004
+#define DM_REPORT_OUTPUT_EXPORT		0x00000008
 
 struct dm_report *dm_report_init(uint32_t *report_types,
 				 const struct dm_report_object_type *types,
diff -Nur device-mapper.1.02.22.orig/lib/libdm-report.c device-mapper.1.02.22/lib/libdm-report.c
--- device-mapper.1.02.22.orig/lib/libdm-report.c	2007-10-09 09:51:48.000000000 -0400
+++ device-mapper.1.02.22/lib/libdm-report.c	2007-10-09 09:52:24.000000000 -0400
@@ -13,6 +13,7 @@
  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <ctype.h>
 #include "libdevmapper.h"
 #include "list.h"
 #include "log.h"
@@ -776,6 +777,8 @@
 	char buf[4096];
 	int32_t width;
 	uint32_t align;
+	const char *fname;
+	char tmp_char;
 
 	if (list_empty(&rh->rows))
 		return 1;
@@ -800,6 +803,25 @@
 			if (field->props->flags & FLD_HIDDEN)
 				continue;
 
+			if (rh->flags & DM_REPORT_OUTPUT_EXPORT) {
+				fname = rh->fields[field->props->field_num].id;
+				if (!dm_pool_grow_object(rh->mem, "DM_", strlen("DM_"))) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+				while (fname && fname[0]) {
+					tmp_char = toupper(fname[0]);
+					if (!dm_pool_grow_object(rh->mem, &tmp_char, 1)) {
+						log_error("dm_report: Unable to extend output line");
+						goto bad;
+					}
+					fname++;
+				}
+				if (!dm_pool_grow_object(rh->mem, "=", strlen("="))) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+			}
 			repstr = field->report_string;
 			width = field->props->width;
 			if (!(rh->flags & DM_REPORT_OUTPUT_ALIGNED)) {