mirror of
git://sourceware.org/git/lvm2.git
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346 lines
8.2 KiB
C
346 lines
8.2 KiB
C
/*
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* Copyright (C) 2001 Sistina Software
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*
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* This LVM library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This LVM library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this LVM library; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA
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*
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*/
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#include <sys/types.h>
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#include <string.h>
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#include "metadata.h"
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#include "dbg_malloc.h"
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#include "log.h"
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#include "display.h"
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#define SIZE_BUF 128
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char *display_size(unsigned long long size, size_len_t sl)
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{
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int s;
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ulong byte = 1024 * 1024 * 1024;
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char *size_buf = NULL;
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char *size_str[][2] = {
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{"Terabyte", "TB"},
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{"Gigabyte", "GB"},
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{"Megabyte", "MB"},
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{"Kilobyte", "KB"},
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{"", ""}
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};
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if (!(size_buf = dbg_malloc(SIZE_BUF))) {
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log_error("no memory for size display buffer");
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return NULL;
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}
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if (size == 0LL)
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sprintf(size_buf, "0");
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else {
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s = 0;
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while (size_str[s] && size < byte)
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s++, byte /= 1024;
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snprintf(size_buf, SIZE_BUF - 1,
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"%.2f %s", (float) size / byte, size_str[s][sl]);
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}
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/* Caller to deallocate */
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return size_buf;
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}
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/*
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* FIXME: this function is badly named, it doesn't display the data it
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* creates a new uuid string with -'s in it. It would be better if
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* the destination was passed in as well. EJT
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*/
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char *display_uuid(char *uuidstr) {
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int i, j;
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char *uuid;
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if ((!uuidstr) || !(uuid = dbg_malloc(NAME_LEN))) {
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log_error("no memory for uuid display buffer");
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return NULL;
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}
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memset(uuid, 0, NAME_LEN);
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i = 6;
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memcpy(uuid, uuidstr, i);
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uuidstr += i;
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for (j = 0; j < 6; j++) {
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uuid[i++] = '-';
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memcpy(&uuid[i], uuidstr, 4);
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uuidstr += 4;
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i += 4;
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}
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memcpy(&uuid[i], uuidstr, 2);
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/* Caller must free */
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return uuid;
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}
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void pvdisplay_colons(struct physical_volume *pv)
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{
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char *uuid;
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if (!pv)
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return;
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uuid = display_uuid(pv->id.uuid);
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log_print("%s:%s:%llu:-1:%u:%u:-1:%llu:%u:%u:%u:%s",
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pv->dev->name,
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pv->vg_name,
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pv->size,
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/* FIXME pv->pv_number, Derive or remove? */
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pv->status, /* FIXME Support old or new format here? */
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pv->status & ALLOCATED_PV, /* FIXME Remove? */
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/* FIXME pv->lv_cur, Remove? */
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pv->pe_size / 2,
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pv->pe_count,
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pv->pe_count - pv->pe_allocated,
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pv->pe_allocated,
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*uuid ? uuid : "none");
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dbg_free(uuid);
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return;
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}
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void pvdisplay_full(struct physical_volume * pv)
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{
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char *uuid;
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char *size, *size1; /*, *size2; */
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uint64_t pe_free;
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if (!pv)
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return;
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uuid = display_uuid(pv->id.uuid);
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log_print("--- %sPhysical volume ---", pv->pe_size ? "" : "NEW ");
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log_print("PV Name %s", pv->dev->name);
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log_print("VG Name %s", pv->vg_name);
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size = display_size(pv->size / 2, SIZE_SHORT);
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if (pv->pe_size && pv->pe_count) {
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size1 = display_size((pv->size - pv->pe_count * pv->pe_size)
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/ 2, SIZE_SHORT);
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/******** FIXME display LVM on-disk data size
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size2 = display_size(pv->size / 2, SIZE_SHORT);
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********/
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log_print("PV Size %s"
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" / not usable %s", /* [LVM: %s]", */
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size, size1); /* , size2); */
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dbg_free(size1);
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/* dbg_free(size2); */
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} else
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log_print("PV Size %s", size);
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dbg_free(size);
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/*********FIXME Anything use this?
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log_print("PV# %u", pv->pv_number);
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**********/
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log_print("PV Status %savailable",
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(pv->status & ACTIVE) ? "" : "NOT ");
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pe_free = pv->pe_count - pv->pe_allocated;
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if (pv->pe_count && (pv->status & ALLOCATED_PV))
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log_print("Allocatable yes %s",
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(!pe_free && pv->pe_count) ? "(but full)" : "");
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else
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log_print("Allocatable NO");
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/*********FIXME
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log_print("Cur LV %u", pv->lv_cur);
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*********/
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log_print("PE Size (KByte) %llu", pv->pe_size / 2);
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log_print("Total PE %u", pv->pe_count);
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log_print("Free PE %llu", pe_free);
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log_print("Allocated PE %u", pv->pe_allocated);
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#ifdef LVM_FUTURE
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printf("Stale PE %u", pv->pe_stale);
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#endif
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log_print("PV UUID %s", *uuid ? uuid : "none");
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log_print(" ");
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dbg_free(uuid);
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return;
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}
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void pv_display_short(struct physical_volume *pv)
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{
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if (!pv)
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return;
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log_print("PV Name %s ", pv->dev->name);
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/* FIXME pv->pv_number); */
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log_print("PV Status %savailable / %sallocatable",
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(pv->status & ACTIVE) ? "" : "NOT ",
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(pv->status & ALLOCATED_PV) ? "" : "NOT ");
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log_print("Total PE / Free PE %u / %u",
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pv->pe_count, pv->pe_count - pv->pe_allocated);
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return;
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}
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#if 0
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/******** FIXME
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void pv_display_pe(pv_t * pv, pe_disk_t * pe)
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{
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int p;
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for (p = 0; p < pv->pe_total; p++)
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printf("pe#: %4d vg: %s lv: %d le: %d\n",
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p, pv->vg_name, pe[p].lv_num, pe[p].le_num);
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return;
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}
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*******/
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void pv_display_pe_text(pv_t * pv, pe_disk_t * pe, lv_disk_t * lvs)
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{
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int flag = 0;
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int lv_num_last = 0;
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int p = 0;
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int pe_free = 0;
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int *pe_this_count = NULL;
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int pt = 0;
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int pt_count = 0;
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lv_disk_t *lv;
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char *lv_name_this = NULL;
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char *lv_names = NULL;
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char *lv_names_sav = NULL;
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pe_disk_t *pe_this = NULL;
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if ((pe_this = dbg_malloc(pv->pe_total * sizeof (pe_disk_t))) == NULL) {
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log_error("pe_this allocation failed");
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goto pv_display_pe_text_out;
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}
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if ((pe_this_count = dbg_malloc(pv->pe_total * sizeof (int))) == NULL) {
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log_error("pe_this_count allocation failed");
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goto pv_display_pe_text_out;
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}
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memset(pe_this, 0, pv->pe_total * sizeof (pe_disk_t));
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memset(pe_this_count, 0, pv->pe_total * sizeof (int));
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/* get PE and LE summaries */
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pt_count = 0;
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for (p = pt_count; p < pv->pe_total; p++) {
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if (pe[p].lv_num != 0) {
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flag = 0;
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for (pt = 0; pt < pt_count; pt++) {
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if (pe_this[pt].lv_num == pe[p].lv_num) {
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flag = 1;
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break;
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}
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}
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if (flag == 0) {
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pe_this[pt_count].lv_num = pe[p].lv_num;
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for (pt = 0; pt < pv->pe_total; pt++)
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if (pe_this[pt_count].lv_num ==
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pe[pt].lv_num)
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pe_this_count[pt_count]++;
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pt_count++;
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}
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}
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}
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lv = lvs;
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printf(" --- Distribution of physical volume ---\n"
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" LV Name LE of LV PE for LV\n");
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for (pt = 0; pt < pt_count; pt++) {
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printf(" %-25s ", lv->lv_name);
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if (strlen(lv->lv_name) > 25)
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printf("\n ");
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printf("%-8u %-8d\n",
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lv->lv_allocated_le,
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pe_this_count[pt]);
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if (pe_this[pt].lv_num > lv_num_last) {
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lv_num_last = pe_this[pt].lv_num;
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lv_names_sav = lv_names;
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if ((lv_names = dbg_realloc(lv_names,
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lv_num_last * NAME_LEN)) ==
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NULL) {
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log_error("realloc error in %s [line %d]",
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__FILE__, __LINE__);
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goto pv_display_pe_text_out;
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} else
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lv_names_sav = NULL;
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}
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strcpy(&lv_names[(pe_this[pt].lv_num - 1) * NAME_LEN],
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lv->lv_name);
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lv++;
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}
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printf("\n --- Physical extents ---\n"
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" PE LV LE Disk sector\n");
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pe_free = -1;
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for (p = 0; p < pv->pe_total; p++) {
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if (pe[p].lv_num != 0) {
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if (pe_free > -1) {
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pv_display_pe_free(pe_free, p);
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pe_free = -1;
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}
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lv_name_this = &lv_names[(pe[p].lv_num - 1) * NAME_LEN];
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printf(" %05d %-25s ", p, lv_name_this);
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if (strlen(lv_name_this) > 25)
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printf("\n ");
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printf("%05d %ld\n", pe[p].le_num,
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get_pe_offset(p, pv));
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} else if (pe_free == -1)
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pe_free = p;
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}
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if (pe_free > 0)
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pv_display_pe_free(pe_free, p);
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pv_display_pe_text_out:
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if (lv_names != NULL)
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dbg_free(lv_names);
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else if (lv_names_sav != NULL)
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dbg_free(lv_names_sav);
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if (pe_this != NULL)
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dbg_free(pe_this);
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if (pe_this_count != NULL)
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dbg_free(pe_this_count);
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return;
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}
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void pv_display_pe_free(int pe_free, int p)
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{
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printf(" %05d free\n", pe_free);
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if (p - pe_free > 1)
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printf(" .....\n %05d free\n", p - 1);
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return;
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}
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#endif
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