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/*
Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
This file is part of gluster-block.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
# include "common.h"
enum JsonResponseFormat
jsonResponseFormatParse(const char *opt)
{
int i;
if (!opt) {
return GB_JSON_MAX;
}
if (strlen (opt) < 2 || opt[0] != '-' || opt[1] != '-') {
/*json option is not given*/
return GB_JSON_NONE;
}
for (i = 0; i < GB_JSON_MAX; i++) {
if (!strcmp(opt, JsonResponseFormatLookup[i])) {
return i;
}
}
return i;
}
ssize_t
glusterBlockParseSize(const char *dom, char *value)
{
char *postfix;
char *tmp;
ssize_t sizef;
if (!value)
return -1;
sizef = strtod(value, &postfix);
if (sizef < 0) {
LOG(dom, GB_LOG_ERROR, "%s", "size cannot be negative number");
return -1;
}
tmp = postfix;
if (*postfix == ' ') {
tmp = tmp + 1;
}
switch (*tmp) {
case 'Y':
sizef *= 1024;
/* fall through */
case 'Z':
sizef *= 1024;
/* fall through */
case 'E':
sizef *= 1024;
/* fall through */
case 'P':
sizef *= 1024;
/* fall through */
case 'T':
sizef *= 1024;
/* fall through */
case 'G':
sizef *= 1024;
/* fall through */
case 'M':
sizef *= 1024;
/* fall through */
case 'K':
case 'k':
sizef *= 1024;
/* fall through */
case 'B':
case 'b':
case '\0':
return sizef;
break;
default:
LOG(dom, GB_LOG_ERROR, "%s",
"You may use k/K, M, G or T suffixes for kilobytes, "
"megabytes, gigabytes and terabytes.");
return -1;
}
}
char *
glusterBlockFormatSize(const char *dom, size_t bytes)
{
char *buf;
size_t i = 0;
size_t rem = 0;
const char* units[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"};
while (bytes >= 1024) {
rem = (bytes % 1024);
bytes /= 1024;
i++;
}
if (GB_ASPRINTF(&buf, "%.1f %s", (float)bytes + (float)rem / 1024.0, units[i]) < 0) {
LOG(dom, GB_LOG_ERROR, "%s", "glusterBlockFormatSize() failed");
buf = NULL;
}
return buf;
}
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