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Revert "Handle LVM and RAID"

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This reverts commit 9cbb3b91f1.
This commit is contained in:
Michael Catanzaro
2020-11-06 09:52:00 -06:00
parent ea08151ae6
commit 30bf8d0418
6 changed files with 36 additions and 229 deletions
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8
include/glibtop/disk.h
View File

@@ -42,14 +42,6 @@ G_BEGIN_DECLS
typedef struct _glibtop_disk glibtop_disk;
struct _partition_info
{
char name[256];
char type[256];
char raid_num[256];
int max;
};
struct _glibtop_disk
{
guint64 xdisk_sectors_read [GLIBTOP_NDISK]; /* GLIBTOP_XDISK_SECTORS_READ */

192
sysdeps/linux/disk.c
View File

@@ -39,221 +39,35 @@ _glibtop_init_disk_s (glibtop *server)
/* Provides information about disk usage. */
// Linux kernel reports sectors by 512 bytes even for AF 4kn //
#define FILENAME "/proc/diskstats"
#define CMD_PIPE "lsblk --output NAME,TYPE -i -n | sed 's/`-//'|sed 's/|-//'|sed 's/|//'| sed -e 's/^[ \t]*//'|tr -s ' '"
#define FILENAME "/proc/diskstats" //kernel reports sectors by 512 bytes even for AF 4kn
#define STAT_BUFSIZ 81920
// Handle LVM and RAID //
void
find_primary_part (_partition_info *primary_part, const char *m)
{
int n = 0, tlvl = 0;
char name[256]="",type[256]="";
primary_part->max = 0;
//scan by tree level
//0 = disk (to lvl 0)
//0 = disk, 1 = part (to lvl 1)
//0 = disk, 1 = part, 2 = lvm or raid (to lvl 2)
//0 = disk, 1 = part, 2 = raid, 3 = lvm (to lvl 3)
while (sscanf(m, "%s %s", name, type) == 2)
{
if (tlvl == 0) {
if (strcmp (type, "disk") == 0) {
primary_part->max++;
}
else if ((strcmp (type, "part") == 0)){
tlvl = 1;
}
}
else if(tlvl == 1){
if (strcmp (type, "disk") == 0) {
n--;
tlvl = 0;
primary_part->max++;
}
else if ((strcmp (type, "part") == 0)) {
n--;
}
else if ((strcmp (type, "lvm") == 0)) {
tlvl = 2;
primary_part->max++;
}
else if ((strncmp (type, "raid", 4) == 0)) {
tlvl = 2;
primary_part->max++;
}
}
else if( tlvl == 2){
if (strcmp(type, "disk") == 0) {
n--;
tlvl = 0;
primary_part->max++;
}
else if ((strcmp (primary_part[n-1].type, "lvm") == 0) && (strcmp (type, "lvm") == 0)) {
n--;
}
else if ((strcmp (primary_part[n-1].type, "raid") == 0) && (strncmp (type, "raid", 4) == 0)) {
n--;
}
else if ((strcmp (primary_part[n-1].type, "lvm") == 0) && (strcmp (type, "part") == 0)) {
n--;
tlvl = 1;
}
else if ((strcmp (primary_part[n-1].type, "raid") == 0) && (strcmp (type, "part") == 0)) {
n--;
tlvl = 1;
}
else if ((strcmp (primary_part[n-1].type, "raid") == 0) && (strcmp (type, "lvm") == 0)){
tlvl = 3;
primary_part->max++;
}
}
else if (tlvl == 3) {
if (strcmp (type, "disk") == 0) {
n--;
tlvl = 0;
primary_part->max++;
}
else if ((strcmp (type, "lvm") == 0)) {
n--;
}
else if ((strncmp (type, "raid", 4) == 0)) {
n--;
tlvl = 2;
}
else if ((strcmp (type, "part") == 0)) {
n--;
tlvl = 1;
}
}
strcpy (primary_part[n].name, name);
strncpy (primary_part[n].type, type, 4);
if (strcmp (primary_part[n].type, "raid") == 0) {
strcpy (primary_part[n].raid_num, type + 4);
}
m = skip_line (m);
n++;
}
}
int
is_virtual_drive (_partition_info *primary_part, const char *p)
{
int i;
char name[256];
int test = 1;
sscanf (p, "%s", name);
if (*p) {
for (i=0; i<primary_part->max; i++) {
if (strcmp (primary_part[i].name, name) == 0) {
test = 0;
break;
}
}
}
else {
test = 0;
}
return test;
}
void
glibtop_get_disk_s (glibtop *server, glibtop_disk *buf)
{
_partition_info primary_part[GLIBTOP_NDISK];
char buffer [STAT_BUFSIZ], *p, map_buffer [STAT_BUFSIZ], *m;
char buffer [STAT_BUFSIZ], *p;
int i;
memset (buf, 0, sizeof (glibtop_disk));
file_to_buffer(server, buffer, sizeof buffer, FILENAME);
get_from_pipe (map_buffer, CMD_PIPE);
server->ndisk = GLIBTOP_NDISK;
/*
* GLOBAL
*/
p = buffer; /* "disk" */
m = map_buffer;
/*
* PER DISK
*/
find_primary_part (primary_part, m);
for (i = 0; i <= server->ndisk; i++) {
p = skip_multiple_token(p,2);
// skip if disk is the raw device
if (!is_virtual_drive (primary_part, p)) {
if(!check_alphanumeric_word(p)){
p = skip_line(p); /* move to ^ */
p = skip_multiple_token(p,2);

27
sysdeps/linux/glibtop_private.c
View File

@@ -57,20 +57,21 @@ skip_token (const char *p)
}
void
get_from_pipe (char *buffer, const char *cmd)
int
check_alphanumeric_word (const char *p)
{
FILE* fp;
long psize;
fp = popen (cmd, "r");
fseek (fp, 0, SEEK_END);
psize = ftell (fp);
fseek (fp, 0, SEEK_SET);
fread(buffer,1,psize,fp);
pclose (fp);
int test = 0;
p = next_token(p);
while (*p && !g_ascii_isspace(*p)) {
if(g_ascii_isalpha(*p)){
test = 0;
}else if(g_ascii_isdigit(*p)){
test = 1;
}
p++;
};
p = next_token(p);
return test;
}

4
sysdeps/linux/glibtop_private.h
View File

@@ -61,8 +61,8 @@ skip_line (const char *p)
return (char *) (*p ? p+1 : p);
}
void
get_from_pipe (char *buffer, const char *cmd)
int
check_alphanumeric_word (const char *p);
/*
* Smart strtoul which handles binary suffixes