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-rw-r--r--misc-utils/lsblk.c648
1 files changed, 511 insertions, 137 deletions
diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c
index fae918b..30bd2ed 100644
--- a/misc-utils/lsblk.c
+++ b/misc-utils/lsblk.c
@@ -52,6 +52,8 @@
#include "fileutils.h"
#include "loopdev.h"
#include "buffer.h"
+#include "colors.h"
+#include "column-list-table.h"
#include "lsblk.h"
@@ -88,6 +90,8 @@ enum {
COL_LABEL,
COL_LOGSEC,
COL_MAJMIN,
+ COL_MAJ,
+ COL_MIN,
COL_MINIO,
COL_MODE,
COL_MODEL,
@@ -158,7 +162,7 @@ enum {
/* column names */
struct colinfo {
- const char *name; /* header */
+ const char * const name; /* header */
double whint; /* width hint (N < 1 is in percent of termwidth) */
int flags; /* SCOLS_FL_* */
const char *help;
@@ -166,21 +170,21 @@ struct colinfo {
};
/* columns descriptions */
-static struct colinfo infos[] = {
+static const struct colinfo infos[] = {
[COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
[COL_ID] = { "ID", 0.1, SCOLS_FL_NOEXTREMES, N_("udev ID (based on ID-LINK)") },
[COL_IDLINK] = { "ID-LINK", 0.1, SCOLS_FL_NOEXTREMES, N_("the shortest udev /dev/disk/by-id link name") },
[COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
[COL_DAX] = { "DAX", 1, SCOLS_FL_RIGHT, N_("dax-capable device"), COLTYPE_BOOL },
- [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
+ [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_DISKSEQ] = { "DISK-SEQ", 1, SCOLS_FL_RIGHT, N_("disk sequence number"), COLTYPE_NUM },
- [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE },
+ [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL },
- [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available"), COLTYPE_SIZE },
+ [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available for unprivileged users, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_FSROOTS] = { "FSROOTS", 0.1, SCOLS_FL_WRAP, N_("mounted filesystem roots") },
- [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size"), COLTYPE_SIZE },
+ [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") },
- [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used"), COLTYPE_SIZE },
+ [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_FSUSEPERC] = { "FSUSE%", 3, SCOLS_FL_RIGHT, N_("filesystem use percentage") },
[COL_FSVERSION] = { "FSVER", 0.1, SCOLS_FL_TRUNC, N_("filesystem version") },
[COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") },
@@ -190,6 +194,8 @@ static struct colinfo infos[] = {
[COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") },
[COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM },
[COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM },
+ [COL_MAJ] = { "MAJ", 3, 0, N_("major device number"), COLTYPE_SORTNUM },
+ [COL_MIN] = { "MIN", 3, 0, N_("minor device number"), COLTYPE_SORTNUM },
[COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM },
[COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") },
[COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
@@ -217,8 +223,8 @@ static struct colinfo infos[] = {
[COL_RQ_SIZE]= { "RQ-SIZE", 5, SCOLS_FL_RIGHT, N_("request queue size"), COLTYPE_NUM },
[COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
[COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") },
- [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE },
- [COL_START] = { "START", 5, SCOLS_FL_RIGHT, N_("partition start offset"), COLTYPE_NUM },
+ [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device, use <number> if --bytes is given"), COLTYPE_SIZE },
+ [COL_START] = { "START", 5, SCOLS_FL_RIGHT, N_("partition start offset (in 512-byte sectors)"), COLTYPE_NUM },
[COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") },
[COL_SUBSYS] = { "SUBSYSTEMS", 0.1, SCOLS_FL_NOEXTREMES, N_("de-duplicated chain of subsystems") },
[COL_TARGETS] = { "MOUNTPOINTS", 0.10, SCOLS_FL_WRAP | SCOLS_FL_NOEXTREMES, N_("all locations where device is mounted") },
@@ -227,17 +233,23 @@ static struct colinfo infos[] = {
[COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
[COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") },
[COL_VENDOR] = { "VENDOR", 0.1, SCOLS_FL_TRUNC, N_("device vendor") },
- [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE },
+ [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
[COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") },
- [COL_ZONE_SZ] = { "ZONE-SZ", 9, SCOLS_FL_RIGHT, N_("zone size"), COLTYPE_SIZE },
- [COL_ZONE_WGRAN] = { "ZONE-WGRAN", 10, SCOLS_FL_RIGHT, N_("zone write granularity"), COLTYPE_SIZE },
- [COL_ZONE_APP] = { "ZONE-APP", 11, SCOLS_FL_RIGHT, N_("zone append max bytes"), COLTYPE_SIZE },
+ [COL_ZONE_SZ] = { "ZONE-SZ", 9, SCOLS_FL_RIGHT, N_("zone size, use <number> if --bytes is given"), COLTYPE_SIZE },
+ [COL_ZONE_WGRAN] = { "ZONE-WGRAN", 10, SCOLS_FL_RIGHT, N_("zone write granularity, use <number> if --bytes is given"), COLTYPE_SIZE },
+ [COL_ZONE_APP] = { "ZONE-APP", 11, SCOLS_FL_RIGHT, N_("zone append max bytes, use <number> if --bytes is given"), COLTYPE_SIZE },
[COL_ZONE_NR] = { "ZONE-NR", 8, SCOLS_FL_RIGHT, N_("number of zones"), COLTYPE_NUM },
[COL_ZONE_OMAX] = { "ZONE-OMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of open zones"), COLTYPE_NUM },
[COL_ZONE_AMAX] = { "ZONE-AMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of active zones"), COLTYPE_NUM },
};
+/* "userdata" used by callback for libsmartcols filter */
+struct filler_data {
+ struct lsblk_device *dev;
+ struct lsblk_device *parent;
+};
+
struct lsblk *lsblk; /* global handler */
/*
@@ -324,7 +336,7 @@ static int get_column_id(int num)
}
/* Returns column description for the column sequential number */
-static struct colinfo *get_column_info(int num)
+static const struct colinfo *get_column_info(int num)
{
return &infos[ get_column_id(num) ];
}
@@ -334,12 +346,30 @@ static int column_name_to_id(const char *name, size_t namesz)
{
size_t i;
+ /* name as diplayed for users */
for (i = 0; i < ARRAY_SIZE(infos); i++) {
const char *cn = infos[i].name;
if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
return i;
}
+
+ /* name as used in expressions, JSON output etc. */
+ if (strnchr(name, namesz, '_')) {
+ char *buf = NULL;
+ size_t bufsz = 0;
+
+ for (i = 0; i < ARRAY_SIZE(infos); i++) {
+ if (scols_shellvar_name(infos[i].name, &buf, &bufsz) != 0)
+ continue;
+ if (!strncasecmp(name, buf, namesz) && !*(buf + namesz)) {
+ free(buf);
+ return i;
+ }
+ }
+ free(buf);
+ }
+
warnx(_("unknown column: %s"), name);
return -1;
}
@@ -597,7 +627,7 @@ static char *mk_dm_name(const char *name)
/* stores data to scols cell userdata (invisible and independent on output)
* to make the original values accessible for sort functions
*/
-static void set_sortdata_u64(struct libscols_line *ln, int col, uint64_t x)
+static void set_rawdata_u64(struct libscols_line *ln, int col, uint64_t x)
{
struct libscols_cell *ce = scols_line_get_cell(ln, col);
uint64_t *data;
@@ -625,22 +655,37 @@ static void str2u64(const char *str, uint64_t *data)
*data = num;
}
-static void unref_sortdata(struct libscols_table *tb)
+static void unref_line_rawdata(struct libscols_line *ln, struct libscols_table *tb)
+{
+ size_t i;
+
+ for (i = 0; i < ncolumns; i++) {
+ struct libscols_column *cl = scols_table_get_column(tb, i);
+ struct libscols_cell *ce;
+ void *data;
+
+ if (cl != lsblk->sort_col && !scols_column_has_data_func(cl))
+ continue;
+
+ ce = scols_line_get_column_cell(ln, cl);
+ data = scols_cell_get_userdata(ce);
+ free(data);
+ }
+}
+
+static void unref_table_rawdata(struct libscols_table *tb)
{
struct libscols_iter *itr;
struct libscols_line *ln;
- if (!tb || !lsblk->sort_col)
+ if (!tb || !lsblk->rawdata)
return;
+
itr = scols_new_iter(SCOLS_ITER_FORWARD);
if (!itr)
return;
- while (scols_table_next_line(tb, itr, &ln) == 0) {
- struct libscols_cell *ce = scols_line_get_column_cell(ln,
- lsblk->sort_col);
- void *data = scols_cell_get_userdata(ce);
- free(data);
- }
+ while (scols_table_next_line(tb, itr, &ln) == 0)
+ unref_line_rawdata(ln, tb);
scols_free_iter(itr);
}
@@ -735,21 +780,21 @@ static uint64_t device_get_discard_granularity(struct lsblk_device *dev)
}
static void device_read_bytes(struct lsblk_device *dev, char *path, char **str,
- uint64_t *sortdata)
+ uint64_t *rawdata)
{
uint64_t x;
if (lsblk->bytes) {
ul_path_read_string(dev->sysfs, str, path);
- if (sortdata)
- str2u64(*str, sortdata);
+ if (rawdata)
+ str2u64(*str, rawdata);
return;
}
if (ul_path_read_u64(dev->sysfs, &x, path) == 0) {
*str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sortdata)
- *sortdata = x;
+ if (rawdata)
+ *rawdata = x;
}
}
@@ -771,7 +816,7 @@ static void process_mq(struct lsblk_device *dev, char **str)
}
/*
- * Generates data (string) for column specified by column ID for specified device. If sortdata
+ * Generates data (string) for column specified by column ID for specified device. If rawdata
* is not NULL then returns number usable to sort the column if the data are available for the
* column.
*/
@@ -779,7 +824,8 @@ static char *device_get_data(
struct lsblk_device *dev, /* device */
struct lsblk_device *parent, /* device parent as defined in the tree */
int id, /* column ID (COL_*) */
- uint64_t *sortdata) /* returns sort data as number */
+ uint64_t *rawdata, /* returns sort data as number */
+ size_t *datasiz)
{
struct lsblk_devprop *prop = NULL;
char *str = NULL;
@@ -841,8 +887,18 @@ static char *device_get_data(
xasprintf(&str, "%u:%u", dev->maj, dev->min);
else
xasprintf(&str, "%3u:%-3u", dev->maj, dev->min);
- if (sortdata)
- *sortdata = makedev(dev->maj, dev->min);
+ if (rawdata)
+ *rawdata = makedev(dev->maj, dev->min);
+ break;
+ case COL_MAJ:
+ xasprintf(&str, "%u", dev->maj);
+ if (rawdata)
+ *rawdata = dev->maj;
+ break;
+ case COL_MIN:
+ xasprintf(&str, "%u", dev->min);
+ if (rawdata)
+ *rawdata = dev->min;
break;
case COL_FSTYPE:
prop = lsblk_device_get_properties(dev);
@@ -880,9 +936,9 @@ static char *device_get_data(
else
ul_buffer_append_string(&buf, mnt_fs_get_target(fs));
if (i + 1 < n)
- ul_buffer_append_data(&buf, "\n", 1);
+ ul_buffer_append_data(&buf, "\0", 1);
}
- str = ul_buffer_get_data(&buf, NULL, NULL);
+ str = ul_buffer_get_data(&buf, datasiz, NULL);
break;
}
case COL_FSROOTS:
@@ -898,9 +954,9 @@ static char *device_get_data(
continue;
ul_buffer_append_string(&buf, root ? root : "/");
if (i + 1 < n)
- ul_buffer_append_data(&buf, "\n", 1);
+ ul_buffer_append_data(&buf, "\0", 1);
}
- str = ul_buffer_get_data(&buf, NULL, NULL);
+ str = ul_buffer_get_data(&buf, datasiz, NULL);
break;
}
case COL_LABEL:
@@ -977,8 +1033,8 @@ static char *device_get_data(
break;
case COL_RA:
ul_path_read_string(dev->sysfs, &str, "queue/read_ahead_kb");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_RO:
str = xstrdup(is_readonly_device(dev) ? "1" : "0");
@@ -1031,13 +1087,13 @@ static char *device_get_data(
xasprintf(&str, "%ju", dev->size);
else
str = size_to_human_string(SIZE_SUFFIX_1LETTER, dev->size);
- if (sortdata)
- *sortdata = dev->size;
+ if (rawdata)
+ *rawdata = dev->size;
break;
case COL_START:
ul_path_read_string(dev->sysfs, &str, "start");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_STATE:
if (!device_is_partition(dev) && !dev->dm_name)
@@ -1050,36 +1106,36 @@ static char *device_get_data(
break;
case COL_ALIOFF:
ul_path_read_string(dev->sysfs, &str, "alignment_offset");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_MINIO:
ul_path_read_string(dev->sysfs, &str, "queue/minimum_io_size");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_OPTIO:
ul_path_read_string(dev->sysfs, &str, "queue/optimal_io_size");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_PHYSEC:
ul_path_read_string(dev->sysfs, &str, "queue/physical_block_size");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_LOGSEC:
ul_path_read_string(dev->sysfs, &str, "queue/logical_block_size");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_SCHED:
str = get_scheduler(dev);
break;
case COL_RQ_SIZE:
ul_path_read_string(dev->sysfs, &str, "queue/nr_requests");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_TYPE:
str = get_type(dev);
@@ -1106,23 +1162,23 @@ static char *device_get_data(
ul_path_read_string(dev->sysfs, &str, "discard_alignment");
if (!str)
str = xstrdup("0");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_DGRAN:
if (lsblk->bytes) {
ul_path_read_string(dev->sysfs, &str, "queue/discard_granularity");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
} else {
uint64_t x = device_get_discard_granularity(dev);
str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sortdata)
- *sortdata = x;
+ if (rawdata)
+ *rawdata = x;
}
break;
case COL_DMAX:
- device_read_bytes(dev, "queue/discard_max_bytes", &str, sortdata);
+ device_read_bytes(dev, "queue/discard_max_bytes", &str, rawdata);
break;
case COL_DZERO:
if (device_get_discard_granularity(dev) > 0)
@@ -1131,7 +1187,7 @@ static char *device_get_data(
str = xstrdup("0");
break;
case COL_WSAME:
- device_read_bytes(dev, "queue/write_same_max_bytes", &str, sortdata);
+ device_read_bytes(dev, "queue/write_same_max_bytes", &str, rawdata);
if (!str)
str = xstrdup("0");
break;
@@ -1148,35 +1204,35 @@ static char *device_get_data(
xasprintf(&str, "%ju", x);
else
str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sortdata)
- *sortdata = x;
+ if (rawdata)
+ *rawdata = x;
}
break;
}
case COL_ZONE_WGRAN:
- device_read_bytes(dev, "queue/zone_write_granularity", &str, sortdata);
+ device_read_bytes(dev, "queue/zone_write_granularity", &str, rawdata);
break;
case COL_ZONE_APP:
- device_read_bytes(dev, "queue/zone_append_max_bytes", &str, sortdata);
+ device_read_bytes(dev, "queue/zone_append_max_bytes", &str, rawdata);
break;
case COL_ZONE_NR:
ul_path_read_string(dev->sysfs, &str, "queue/nr_zones");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_ZONE_OMAX:
ul_path_read_string(dev->sysfs, &str, "queue/max_open_zones");
if (!str)
str = xstrdup("0");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_ZONE_AMAX:
ul_path_read_string(dev->sysfs, &str, "queue/max_active_zones");
if (!str)
str = xstrdup("0");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
case COL_DAX:
ul_path_read_string(dev->sysfs, &str, "queue/dax");
@@ -1186,14 +1242,58 @@ static char *device_get_data(
break;
case COL_DISKSEQ:
ul_path_read_string(dev->sysfs, &str, "diskseq");
- if (sortdata)
- str2u64(str, sortdata);
+ if (rawdata)
+ str2u64(str, rawdata);
break;
};
return str;
}
+static void device_fill_scols_cell(struct lsblk_device *dev,
+ struct lsblk_device *parent,
+ struct libscols_line *ln,
+ size_t colnum)
+{
+ struct libscols_cell *ce;
+ struct libscols_column *cl = scols_table_get_column(lsblk->table, colnum);
+ char *data;
+ size_t datasiz = 0;
+ int rc, id = get_column_id(colnum);
+
+ if (lsblk->sort_id == id || scols_column_has_data_func(cl)) {
+ uint64_t rawdata = (uint64_t) -1;
+
+ data = device_get_data(dev, parent, id, &rawdata, &datasiz);
+ if (data && rawdata != (uint64_t) -1)
+ set_rawdata_u64(ln, colnum, rawdata);
+ } else
+ data = device_get_data(dev, parent, id, NULL, &datasiz);
+
+ if (!data)
+ return;
+ DBG(DEV, ul_debugobj(dev, " refer data[%zu]=\"%s\"", colnum, data));
+ ce = scols_line_get_cell(ln, colnum);
+ if (!ce)
+ return;
+ rc = datasiz ? scols_cell_refer_memory(ce, data, datasiz + 1)
+ : scols_cell_refer_data(ce, data);
+ if (rc)
+ err(EXIT_FAILURE, _("failed to add output data"));
+}
+
+static int filter_filler_cb(
+ struct libscols_filter *fltr __attribute__((__unused__)),
+ struct libscols_line *ln,
+ size_t colnum,
+ void *userdata)
+{
+ struct filler_data *fid = (struct filler_data *) userdata;
+
+ device_fill_scols_cell(fid->dev, fid->parent, ln, colnum);
+ return 0;
+}
+
/*
* Adds data for all wanted columns about the device to the smartcols table
*/
@@ -1207,7 +1307,7 @@ static void device_to_scols(
struct libscols_line *ln;
struct lsblk_iter itr;
struct lsblk_device *child = NULL;
- int link_group = 0;
+ int link_group = 0, nocount = 0;
DBG(DEV, ul_debugobj(dev, "add '%s' to scols", dev->name));
@@ -1232,7 +1332,38 @@ static void device_to_scols(
dev->is_printed = 1;
- if (link_group) {
+ /* filter lines, smartcols filter can ask for data */
+ if (lsblk->filter) {
+ int status = 0;
+ struct filler_data fid = {
+ .dev = dev,
+ .parent = parent
+ };
+
+ scols_filter_set_filler_cb(lsblk->filter,
+ filter_filler_cb, (void *) &fid);
+
+ if (scols_line_apply_filter(ln, lsblk->filter, &status))
+ err(EXIT_FAILURE, _("failed to apply filter"));
+ if (status == 0) {
+ struct libscols_line *x = scols_line_get_parent(ln);
+
+ if (x)
+ scols_line_remove_child(x, ln);
+ unref_line_rawdata(ln, tab);
+ scols_table_remove_line(tab, ln);
+ ln = NULL;
+ }
+ }
+
+ /* read column specific data and set it to smartcols table line */
+ for (i = 0; ln && i < ncolumns; i++) {
+ if (scols_line_is_filled(ln, i))
+ continue;
+ device_fill_scols_cell(dev, parent, ln, i);
+ }
+
+ if (ln && link_group) {
struct lsblk_device *p;
struct libscols_line *gr = parent_line;
@@ -1253,24 +1384,9 @@ static void device_to_scols(
scols_line_link_group(ln, gr, 0);
}
- /* read column specific data and set it to smartcols table line */
- for (i = 0; i < ncolumns; i++) {
- char *data;
- int id = get_column_id(i);
-
- if (lsblk->sort_id != id)
- data = device_get_data(dev, parent, id, NULL);
- else {
- uint64_t sortdata = (uint64_t) -1;
-
- data = device_get_data(dev, parent, id, &sortdata);
- if (data && sortdata != (uint64_t) -1)
- set_sortdata_u64(ln, i, sortdata);
- }
- DBG(DEV, ul_debugobj(dev, " refer data[%zu]=\"%s\"", i, data));
- if (data && scols_line_refer_data(ln, i, data))
- err(EXIT_FAILURE, _("failed to add output data"));
- }
+ /* The same device could be printed more than once, don't use it in counter */
+ if (dev->scols_line)
+ nocount = 1;
dev->scols_line = ln;
@@ -1286,6 +1402,21 @@ static void device_to_scols(
DBG(DEV, ul_debugobj(dev, "%s <- child done", dev->name));
}
+ /* apply highligther */
+ if (ln && lsblk->hlighter) {
+ int status = 0;
+
+ if (scols_line_apply_filter(ln, lsblk->hlighter, &status) == 0
+ && status)
+ scols_line_set_color(ln, lsblk->hlighter_seq);
+ }
+
+ /* apply counters */
+ if (!nocount) {
+ for (i = 0; ln && i < lsblk->ncts; i++)
+ scols_line_apply_filter(ln, lsblk->ct_filters[i], NULL);
+ }
+
/* Let's be careful with number of open files */
ul_path_close_dirfd(dev->sysfs);
}
@@ -1917,7 +2048,7 @@ static void parse_includes(const char *str0)
}
/*
- * see set_sortdata_u64() and columns initialization in main()
+ * see set_rawdata_u64() and columns initialization in main()
*/
static int cmp_u64_cells(struct libscols_cell *a,
struct libscols_cell *b,
@@ -1935,6 +2066,13 @@ static int cmp_u64_cells(struct libscols_cell *a,
return *adata == *bdata ? 0 : *adata >= *bdata ? 1 : -1;
}
+static void *get_u64_cell(const struct libscols_column *cl __attribute__((__unused__)),
+ struct libscols_cell *ce,
+ void *data __attribute__((__unused__)))
+{
+ return scols_cell_get_userdata(ce);
+}
+
static void device_set_dedupkey(
struct lsblk_device *dev,
struct lsblk_device *parent,
@@ -1943,7 +2081,7 @@ static void device_set_dedupkey(
struct lsblk_iter itr;
struct lsblk_device *child = NULL;
- dev->dedupkey = device_get_data(dev, parent, id, NULL);
+ dev->dedupkey = device_get_data(dev, parent, id, NULL, NULL);
if (dev->dedupkey)
DBG(DEV, ul_debugobj(dev, "%s: de-duplication key: %s", dev->name, dev->dedupkey));
@@ -1972,10 +2110,193 @@ static void devtree_set_dedupkeys(struct lsblk_devtree *tr, int id)
device_set_dedupkey(dev, NULL, id);
}
+static struct libscols_filter *new_filter(const char *query)
+{
+ struct libscols_filter *f;
+
+ f = scols_new_filter(NULL);
+ if (!f)
+ err(EXIT_FAILURE, _("failed to allocate filter"));
+ if (query && scols_filter_parse_string(f, query) != 0)
+ errx(EXIT_FAILURE, _("failed to parse \"%s\": %s"), query,
+ scols_filter_get_errmsg(f));
+ return f;
+}
+
+static struct libscols_filter *new_counter_filter(const char *query)
+{
+ lsblk->ct_filters = xreallocarray(lsblk->ct_filters, lsblk->ncts + 1,
+ sizeof(struct libscols_filter *));
+
+ lsblk->ct_filters[lsblk->ncts] = new_filter(query);
+ lsblk->ncts++;
+
+ return lsblk->ct_filters[lsblk->ncts - 1];
+}
+
+static void set_counter_properties(const char *str0)
+{
+ struct libscols_filter *fltr = NULL;
+ struct libscols_counter *ct;
+ char *p, *str = xstrdup(str0);
+ char *name = NULL, *param = NULL, *func = NULL;
+
+ for (p = strtok(str, ":"); p != NULL; p = strtok((char *)0, ":")) {
+ if (!name)
+ name = p;
+ else if (!param)
+ param = p;
+ else if (!func)
+ func = p;
+ else
+ errx(EXIT_FAILURE, _("unexpected counter specification: %s"), str0);
+ }
+
+ if (!name)
+ errx(EXIT_FAILURE, _("counter not properly specified"));
+
+ /* use the latest counter filter (--ct-filter) or create empty */
+ if (lsblk->ncts)
+ fltr = lsblk->ct_filters[lsblk->ncts - 1];
+ else
+ fltr = new_counter_filter(NULL);
+
+ ct = scols_filter_new_counter(fltr);
+ if (!ct)
+ err(EXIT_FAILURE, _("failed to allocate counter"));
+
+ scols_counter_set_name(ct, name);
+ if (param)
+ scols_counter_set_param(ct, param);
+ if (func) {
+ int x;
+
+ if (strcmp(func, "max") == 0)
+ x = SCOLS_COUNTER_MAX;
+ else if (strcmp(func, "min") == 0)
+ x = SCOLS_COUNTER_MIN;
+ else if (strcmp(func, "sum") == 0)
+ x = SCOLS_COUNTER_SUM;
+ else if (strcmp(func, "count") == 0)
+ x = SCOLS_COUNTER_COUNT;
+ else
+ errx(EXIT_FAILURE, _("unsupported counter type: %s"), func);
+
+ scols_counter_set_func(ct, x);
+ }
+ free(str);
+}
+
+static void print_counters(void)
+{
+ struct libscols_iter *itr;
+ size_t i;
+
+ fputc('\n', stdout);
+ fputs(_("Summary:\n"), stdout);
+
+ itr = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr)
+ err(EXIT_FAILURE, _("failed to allocate iterator"));
+
+ for (i = 0; i < lsblk->ncts; i++) {
+ struct libscols_filter *fltr = lsblk->ct_filters[i];
+ struct libscols_counter *ct = NULL;
+
+ scols_reset_iter(itr, SCOLS_ITER_FORWARD);
+ while (scols_filter_next_counter(fltr, itr, &ct) == 0) {
+ printf("%16llu %s\n",
+ scols_counter_get_result(ct),
+ scols_counter_get_name(ct));
+ }
+ }
+
+ scols_free_iter(itr);
+}
+
+static void set_column_type(const struct colinfo *ci, struct libscols_column *cl, int fl)
+{
+ switch (ci->type) {
+ case COLTYPE_SIZE:
+ /* See init_scols_filter(), it may overwrite the type */
+ if (!lsblk->bytes)
+ break;
+ /* fallthrough */
+ case COLTYPE_NUM:
+ scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
+ scols_column_set_data_type(cl, SCOLS_DATA_U64);
+ return;
+ case COLTYPE_BOOL:
+ scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN);
+ scols_column_set_data_type(cl, SCOLS_DATA_BOOLEAN);
+ return;
+ default:
+ break;
+ }
+
+ /* default */
+ if (fl & SCOLS_FL_WRAP)
+ scols_column_set_json_type(cl, SCOLS_JSON_ARRAY_STRING);
+ else
+ scols_column_set_json_type(cl, SCOLS_JSON_STRING);
+
+ scols_column_set_data_type(cl, SCOLS_DATA_STRING);
+}
+
+static void init_scols_filter(struct libscols_table *tb, struct libscols_filter *f)
+{
+ struct libscols_iter *itr;
+ const char *name = NULL;
+ int nerrs = 0;
+
+ itr = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr)
+ err(EXIT_FAILURE, _("failed to allocate iterator"));
+
+ while (scols_filter_next_holder(f, itr, &name, 0) == 0) {
+ struct libscols_column *col = scols_table_get_column_by_name(tb, name);
+ int id = column_name_to_id(name, strlen(name));
+ const struct colinfo *ci = id >= 0 ? &infos[id] : NULL;
+
+ if (!ci) {
+ nerrs++;
+ continue; /* report all unknown columns */
+ }
+ if (!col) {
+ add_column(id);
+ col = scols_table_new_column(lsblk->table, ci->name,
+ ci->whint, SCOLS_FL_HIDDEN);
+ if (!col)
+ err(EXIT_FAILURE,_("failed to allocate output column"));
+
+ set_column_type(ci, col, ci->flags);
+ }
+
+ /* For sizes use rawdata (u64) rather than strings from table */
+ if (ci->type == COLTYPE_SIZE
+ && !lsblk->bytes
+ && !scols_column_has_data_func(col)) {
+
+ scols_column_set_data_type(col, SCOLS_DATA_U64);
+ scols_column_set_data_func(col, get_u64_cell, NULL);
+ lsblk->rawdata = 1;
+ }
+
+ scols_filter_assign_column(f, itr, name, col);
+ }
+
+ scols_free_iter(itr);
+
+ if (!nerrs)
+ return;
+
+ errx(EXIT_FAILURE, _("failed to initialize filter"));
+}
+
+
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
- size_t i;
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options] [<device> ...]\n"), program_invocation_short_name);
@@ -1992,6 +2313,10 @@ static void __attribute__((__noreturn__)) usage(void)
fputs(_(" -M, --merge group parents of sub-trees (usable for RAIDs, Multi-path)\n"), out);
fputs(_(" -O, --output-all output all columns\n"), out);
fputs(_(" -P, --pairs use key=\"value\" output format\n"), out);
+ fputs(_(" -Q, --filter <expr> print only lines maching the expression\n"), out);
+ fputs(_(" --highlight <expr> colorize lines maching the expression\n"), out);
+ fputs(_(" --ct-filter <expr> restrict the next counter\n"), out);
+ fputs(_(" --ct <name>[:<param>[:<func>]] define a custom counter\n"), out);
fputs(_(" -S, --scsi output info about SCSI devices\n"), out);
fputs(_(" -N, --nvme output info about NVMe devices\n"), out);
fputs(_(" -v, --virtio output info about virtio devices\n"), out);
@@ -2005,7 +2330,7 @@ static void __attribute__((__noreturn__)) usage(void)
fputs(_(" -l, --list use list format output\n"), out);
fputs(_(" -m, --perms output info about permissions\n"), out);
fputs(_(" -n, --noheadings don't print headings\n"), out);
- fputs(_(" -o, --output <list> output columns\n"), out);
+ fputs(_(" -o, --output <list> output columns (see --list-columns)\n"), out);
fputs(_(" -p, --paths print complete device path\n"), out);
fputs(_(" -r, --raw use raw output format\n"), out);
fputs(_(" -s, --inverse inverse dependencies\n"), out);
@@ -2015,15 +2340,40 @@ static void __attribute__((__noreturn__)) usage(void)
fputs(_(" -y, --shell use column names to be usable as shell variable identifiers\n"), out);
fputs(_(" -z, --zoned print zone related information\n"), out);
fputs(_(" --sysroot <dir> use specified directory as system root\n"), out);
+
fputs(USAGE_SEPARATOR, out);
- printf(USAGE_HELP_OPTIONS(22));
+ fputs(_(" -H, --list-columns list the available columns\n"), out);
+ fprintf(out, USAGE_HELP_OPTIONS(22));
- fprintf(out, USAGE_COLUMNS);
+ fprintf(out, USAGE_MAN_TAIL("lsblk(8)"));
- for (i = 0; i < ARRAY_SIZE(infos); i++)
- fprintf(out, " %12s %s\n", infos[i].name, _(infos[i].help));
+ exit(EXIT_SUCCESS);
+}
+
+
+static void __attribute__((__noreturn__)) list_colunms(void)
+{
+ size_t i;
+ struct libscols_table *tb = xcolumn_list_table_new("lsblk-columns", stdout,
+ lsblk->flags & LSBLK_RAW,
+ lsblk->flags & LSBLK_JSON);
+
+ for (i = 0; i < ARRAY_SIZE(infos); i++) {
+ const struct colinfo *ci = &infos[i];
+
+ xcolumn_list_table_append_line(tb, ci->name,
+ ci->type == COLTYPE_SIZE ? -1 :
+ ci->type == COLTYPE_NUM ? SCOLS_JSON_NUMBER :
+ ci->type == COLTYPE_BOOL ? SCOLS_JSON_BOOLEAN :
+ ci->flags & SCOLS_FL_WRAP ? SCOLS_JSON_ARRAY_STRING :
+ SCOLS_JSON_STRING,
+ ci->type == COLTYPE_SIZE ? "<string|number>" : NULL,
+ _(ci->help));
+ }
- printf(USAGE_MAN_TAIL("lsblk(8)"));
+
+ scols_print_table(tb);
+ scols_unref_table(tb);
exit(EXIT_SUCCESS);
}
@@ -2044,14 +2394,17 @@ int main(int argc, char *argv[])
.tree_id = COL_NAME
};
struct lsblk_devtree *tr = NULL;
- int c, status = EXIT_FAILURE;
+ int c, status = EXIT_FAILURE, collist = 0;
char *outarg = NULL;
size_t i;
unsigned int width = 0;
int force_tree = 0, has_tree_col = 0;
enum {
- OPT_SYSROOT = CHAR_MAX + 1
+ OPT_SYSROOT = CHAR_MAX + 1,
+ OPT_COUNTER_FILTER,
+ OPT_COUNTER,
+ OPT_HIGHLIGHT,
};
static const struct option longopts[] = {
@@ -2066,6 +2419,8 @@ int main(int argc, char *argv[])
{ "json", no_argument, NULL, 'J' },
{ "output", required_argument, NULL, 'o' },
{ "output-all", no_argument, NULL, 'O' },
+ { "filter", required_argument, NULL, 'Q' },
+ { "highlight", required_argument, NULL, OPT_HIGHLIGHT },
{ "merge", no_argument, NULL, 'M' },
{ "perms", no_argument, NULL, 'm' },
{ "noheadings", no_argument, NULL, 'n' },
@@ -2088,6 +2443,9 @@ int main(int argc, char *argv[])
{ "tree", optional_argument, NULL, 'T' },
{ "version", no_argument, NULL, 'V' },
{ "width", required_argument, NULL, 'w' },
+ { "ct-filter", required_argument, NULL, OPT_COUNTER_FILTER },
+ { "ct", required_argument, NULL, OPT_COUNTER },
+ { "list-columns", no_argument, NULL, 'H' },
{ NULL, 0, NULL, 0 },
};
@@ -2113,9 +2471,10 @@ int main(int argc, char *argv[])
lsblk = &_ls;
lsblk_init_debug();
+ scols_init_debug(0);
while((c = getopt_long(argc, argv,
- "AabdDzE:e:fhJlNnMmo:OpPiI:rstVvST::w:x:y",
+ "AabdDzE:e:fHhJlNnMmo:OpPQ:iI:rstVvST::w:x:y",
longopts, NULL)) != -1) {
err_exclusive_options(c, longopts, excl, excl_st);
@@ -2179,6 +2538,10 @@ int main(int argc, char *argv[])
lsblk->flags |= LSBLK_EXPORT;
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
break;
+ case 'Q':
+ lsblk->filter = new_filter(optarg);
+ lsblk->flags &= ~LSBLK_TREE; /* disable the default */
+ break;
case 'y':
lsblk->flags |= LSBLK_SHELLVAR;
break;
@@ -2287,6 +2650,19 @@ int main(int argc, char *argv[])
errtryhelp(EXIT_FAILURE);
break;
+ case OPT_COUNTER_FILTER:
+ new_counter_filter(optarg);
+ break;
+ case OPT_COUNTER:
+ set_counter_properties(optarg);
+ break;
+ case OPT_HIGHLIGHT:
+ lsblk->hlighter = new_filter(optarg);
+ break;
+
+ case 'H':
+ collist = 1;
+ break;
case 'h':
usage();
case 'V':
@@ -2296,6 +2672,9 @@ int main(int argc, char *argv[])
}
}
+ if (collist)
+ list_colunms(); /* print end exit */
+
if (force_tree)
lsblk->flags |= LSBLK_TREE;
@@ -2341,7 +2720,6 @@ int main(int argc, char *argv[])
}
lsblk_mnt_init();
- scols_init_debug(0);
ul_path_init_debug();
/*
@@ -2364,7 +2742,7 @@ int main(int argc, char *argv[])
}
for (i = 0; i < ncolumns; i++) {
- struct colinfo *ci = get_column_info(i);
+ const struct colinfo *ci = get_column_info(i);
struct libscols_column *cl;
int id = get_column_id(i), fl = ci->flags;
@@ -2397,6 +2775,7 @@ int main(int argc, char *argv[])
}
if (!lsblk->sort_col && lsblk->sort_id == id) {
lsblk->sort_col = cl;
+ lsblk->rawdata = 1;
scols_column_set_cmpfunc(cl,
ci->type == COLTYPE_NUM ? cmp_u64_cells :
ci->type == COLTYPE_SIZE ? cmp_u64_cells :
@@ -2404,36 +2783,23 @@ int main(int argc, char *argv[])
NULL);
}
/* multi-line cells (now used for MOUNTPOINTS) */
- if (fl & SCOLS_FL_WRAP) {
- scols_column_set_wrapfunc(cl,
- scols_wrapnl_chunksize,
- scols_wrapnl_nextchunk,
- NULL);
- scols_column_set_safechars(cl, "\n");
- }
+ if (fl & SCOLS_FL_WRAP)
+ scols_column_set_wrapfunc(cl, NULL, scols_wrapzero_nextchunk, NULL);
- if (lsblk->flags & LSBLK_JSON) {
- switch (ci->type) {
- case COLTYPE_SIZE:
- if (!lsblk->bytes)
- break;
- /* fallthrough */
- case COLTYPE_NUM:
- scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
- break;
- case COLTYPE_BOOL:
- scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN);
- break;
- default:
- if (fl & SCOLS_FL_WRAP)
- scols_column_set_json_type(cl, SCOLS_JSON_ARRAY_STRING);
- else
- scols_column_set_json_type(cl, SCOLS_JSON_STRING);
- break;
- }
- }
+ set_column_type(ci, cl, fl);
}
+ if (lsblk->filter)
+ init_scols_filter(lsblk->table, lsblk->filter);
+
+ if (lsblk->hlighter && colors_init(UL_COLORMODE_AUTO, "lsblk") > 0) {
+ lsblk->hlighter_seq = color_scheme_get_sequence("highlight-line", UL_COLOR_RED);
+ scols_table_enable_colors(lsblk->table, 1);
+ init_scols_filter(lsblk->table, lsblk->hlighter);
+ }
+ for (i = 0; i < lsblk->ncts; i++)
+ init_scols_filter(lsblk->table, lsblk->ct_filters[i]);
+
tr = lsblk_new_devtree();
if (!tr)
err(EXIT_FAILURE, _("failed to allocate device tree"));
@@ -2472,11 +2838,19 @@ int main(int argc, char *argv[])
scols_print_table(lsblk->table);
+ if (lsblk->ncts)
+ print_counters();
leave:
- if (lsblk->sort_col)
- unref_sortdata(lsblk->table);
+ if (lsblk->rawdata)
+ unref_table_rawdata(lsblk->table);
scols_unref_table(lsblk->table);
+ scols_unref_filter(lsblk->filter);
+ scols_unref_filter(lsblk->hlighter);
+
+ for (i = 0; i < lsblk->ncts; i++)
+ scols_unref_filter(lsblk->ct_filters[i]);
+ free(lsblk->ct_filters);
lsblk_mnt_deinit();
lsblk_properties_deinit();
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-05 22:55:27 +0000