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Share smartctl support between different platforms

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This commit is contained in:
Andrea Mazzoleni 2015-01-24 19:43:01 +01:00
parent 467bf0256b
commit f706da1cc6
4 changed files with 88 additions and 116 deletions
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63
cmdline/mingw.c
View file

@ -1843,15 +1843,8 @@ static int devsmart(const char* file, uint64_t* smart, char* serial)
{
char cmd[128];
FILE* f;
int inside;
unsigned i;
int ret;
*serial = 0;
for (i = 0; i < SMART_COUNT; ++i)
smart[i] = SMART_UNASSIGNED;
*serial = 0;
snprintf(cmd, sizeof(cmd), "smartctl-nc.exe -a %s", file);
f = popen(cmd, "r");
@ -1862,57 +1855,11 @@ static int devsmart(const char* file, uint64_t* smart, char* serial)
/* LCOV_EXCL_STOP */
}
inside = 0;
while (1) {
char buf[256];
char attr[64];
unsigned id;
uint64_t raw;
char* s;
s = fgets(buf, sizeof(buf), f);
if (s == 0)
break;
/* skip initial spaces */
while (isspace(*s))
++s;
if (*s == 0) {
inside = 0;
} else if (strncmp(s, "ID#", 3) == 0) {
inside = 1;
} else if (strncmp(s, "No Errors Logged", 16) == 0) {
smart[SMART_ERROR] = 0;
} else if (sscanf(s, "ATA Error Count: %" SCNu64, &raw) == 1) {
smart[SMART_ERROR] = raw;
} else if (sscanf(s, "Serial Number: %63s", serial) == 1) {
} else if (sscanf(s, "User Capacity: %63s", attr) == 1) {
smart[SMART_SIZE] = 0;
for (i = 0; attr[i]; ++i) {
if (isdigit(attr[i])) {
smart[SMART_SIZE] *= 10;
smart[SMART_SIZE] += attr[i] - '0';
}
}
} else if (inside) {
if (sscanf(s, "%u %*s %*s %*u %*u %*u %*s %*s %*s %" SCNu64, &id, &raw) != 2) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid smartctl line '%s'.\n", buf);
return -1;
/* LCOV_EXCL_STOP */
}
if (id >= 256) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid SMART id '%u'.\n", id);
return -1;
/* LCOV_EXCL_STOP */
}
smart[id] = raw;
}
if (smartctl_attribute(f, smart, serial) != 0) {
/* LCOV_EXCL_START */
pclose(f);
return -1;
/* LCOV_EXCL_STOP */
}
ret = pclose(f);

69
cmdline/support.c
View file

@ -394,4 +394,73 @@ char* strdup_nofail(const char* str)
return ptr;
}
/****************************************************************************/
/* smartctl */
int smartctl_attribute(FILE* f, uint64_t* smart, char* serial)
{
unsigned i;
int inside;
/* preclear attribute */
*serial = 0;
for (i = 0; i < SMART_COUNT; ++i)
smart[i] = SMART_UNASSIGNED;
/* read the file */
inside = 0;
while (1) {
char buf[256];
char attr[64];
unsigned id;
uint64_t raw;
char* s;
s = fgets(buf, sizeof(buf), f);
if (s == 0)
break;
/* skip initial spaces */
while (isspace(*s))
++s;
if (*s == 0) {
inside = 0;
} else if (strncmp(s, "ID#", 3) == 0) {
inside = 1;
} else if (strncmp(s, "No Errors Logged", 16) == 0) {
smart[SMART_ERROR] = 0;
} else if (sscanf(s, "ATA Error Count: %" SCNu64, &raw) == 1) {
smart[SMART_ERROR] = raw;
} else if (sscanf(s, "Serial Number: %63s", serial) == 1) {
} else if (sscanf(s, "User Capacity: %63s", attr) == 1) {
smart[SMART_SIZE] = 0;
for (i = 0; attr[i]; ++i) {
if (isdigit(attr[i])) {
smart[SMART_SIZE] *= 10;
smart[SMART_SIZE] += attr[i] - '0';
}
}
} else if (inside) {
if (sscanf(s, "%u %*s %*s %*u %*u %*u %*s %*s %*s %" SCNu64, &id, &raw) != 2) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid smartctl line '%s'.\n", buf);
return -1;
/* LCOV_EXCL_STOP */
}
if (id >= 256) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid SMART id '%u'.\n", id);
return -1;
/* LCOV_EXCL_STOP */
}
smart[id] = raw;
}
}
return 0;
}

9
cmdline/support.h
View file

@ -121,5 +121,14 @@ char* strdup_nofail(const char* str);
*/
void malloc_fail(size_t size);
/****************************************************************************/
/* smartctl */
/**
* Reads smartctl attributes from a stream.
* Returns -1 on error.
*/
int smartctl_attribute(FILE* f, uint64_t* smart, char* serial);
#endif

63
cmdline/unix.c
View file

@ -623,15 +623,8 @@ static int devsmart(dev_t device, uint64_t* smart, char* serial)
{
char cmd[128];
FILE* f;
int inside;
unsigned i;
int ret;
*serial = 0;
for (i = 0; i < SMART_COUNT; ++i)
smart[i] = SMART_UNASSIGNED;
*serial = 0;
snprintf(cmd, sizeof(cmd), "smartctl -a /dev/block/%u:%u", major(device), minor(device));
f = popen(cmd, "r");
@ -642,57 +635,11 @@ static int devsmart(dev_t device, uint64_t* smart, char* serial)
/* LCOV_EXCL_STOP */
}
inside = 0;
while (1) {
char buf[256];
char attr[64];
unsigned id;
uint64_t raw;
char* s;
s = fgets(buf, sizeof(buf), f);
if (s == 0)
break;
/* skip initial spaces */
while (isspace(*s))
++s;
if (*s == 0) {
inside = 0;
} else if (strncmp(s, "ID#", 3) == 0) {
inside = 1;
} else if (strncmp(s, "No Errors Logged", 16) == 0) {
smart[SMART_ERROR] = 0;
} else if (sscanf(s, "ATA Error Count: %" SCNu64, &raw) == 1) {
smart[SMART_ERROR] = raw;
} else if (sscanf(s, "Serial Number: %63s", serial) == 1) {
} else if (sscanf(s, "User Capacity: %63s", attr) == 1) {
smart[SMART_SIZE] = 0;
for (i = 0; attr[i]; ++i) {
if (isdigit(attr[i])) {
smart[SMART_SIZE] *= 10;
smart[SMART_SIZE] += attr[i] - '0';
}
}
} else if (inside) {
if (sscanf(s, "%u %*s %*s %*u %*u %*u %*s %*s %*s %" SCNu64, &id, &raw) != 2) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid smartctl line '%s'.\n", buf);
return -1;
/* LCOV_EXCL_STOP */
}
if (id >= 256) {
/* LCOV_EXCL_START */
fprintf(stderr, "Invalid SMART id '%u'.\n", id);
return -1;
/* LCOV_EXCL_STOP */
}
smart[id] = raw;
}
if (smartctl_attribute(f, smart, serial) != 0) {
/* LCOV_EXCL_START */
pclose(f);
return -1;
/* LCOV_EXCL_STOP */
}
ret = pclose(f);