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mcstat: Fix array of status strings

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More error checks are added at the same time.

Refs: #1223
Change-Id: I406066a6ba0853584d6e1820dde74721ce2682dd
This commit is contained in:
Masamichi Takagi
2018-11-26 10:20:57 +09:00
parent 1954aec0ea
commit 394a1ef3c5
2 changed files with 73 additions and 37 deletions
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2
ihk

Submodule ihk updated: 4a8e719fa0...f5ab8770a4

108
tools/mcstat/mcstat.c
View File

@ -14,6 +14,7 @@
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <errno.h>
#include <ihk/ihk_host_user.h>
#include <ihk/ihklib_private.h> // mcctrl_ioctl_getrusage_desc is defined here
@ -30,7 +31,7 @@
struct mckernel_rusage rbuf;
static void mcstatistics(int idx, int once, int delay, int count);
static void mcstatus(int idx, int delay, int count);
static int mcstatus(int idx, int delay, int count);
static void mcosusage(int idx, int once, int delay, int count);
static void
@ -42,6 +43,7 @@ usage()
int
main(int argc, char **argv)
{
int rc;
int opt;
int idx = 0; /* index of OS instance */
int sflag = 0; /* statistic option */
@ -73,14 +75,19 @@ main(int argc, char **argv)
}
}
if (sflag) {
mcstatus(idx, delay, count);
} else if (cflag) {
mcosusage(idx, once, delay, count);
} else {
mcstatistics(idx, once, delay, count);
}
return 0;
if (sflag) {
if ((rc = mcstatus(idx, delay, count)) < 0) {
goto out;
}
} else if (cflag) {
mcosusage(idx, once, delay, count);
} else {
mcstatistics(idx, once, delay, count);
}
rc = 0;
out:
return rc;
}
static int
@ -175,39 +182,68 @@ mcstatistics(int idx, int once, int delay, int count)
/* ihk_os_status enum is defined in ihk/linux/include/ihk/status.h */
static char *charstat[] = {
"None", /*IHK_OS_STATUS_NOT_BOOTED*/
"Booting", /*IHK_OS_STATUS_BOOTING*/
"Booted", /*IHK_OS_STATUS_BOOTED, OS booted and acked */
"Ready", /*IHK_OS_STATUS_READY, OS is ready and fully functional */
"Freezing", /*IHK_OS_STATUS_FREEZING, OS is freezing */
"Frozen", /*IHK_OS_STATUS_FROZEN, OS is frozen */
"Shutdown", /* IHK_OS_STATUS_SHUTDOWN, OS is shutting down */
"Stopped", /* IHK_OS_STATUS_STOPPED, OS stopped successfully */
"Panic", /* IHK_OS_STATUS_FAILED, OS panics or failed to boot */
"Hangup", /* IHK_OS_STATUS_HUNGUP, OS is hungup */
[IHK_OS_STATUS_NOT_BOOTED] = "None",
[IHK_OS_STATUS_BOOTING] = "Booting",
[IHK_OS_STATUS_BOOTED] = "Booted", /* OS booted and acked */
[IHK_OS_STATUS_READY] = "Ready", /* OS is ready and fully functional */
[IHK_OS_STATUS_RUNNING] = "Running", /* OS is running */
[IHK_OS_STATUS_FREEZING] = "Freezing", /* OS is freezing */
[IHK_OS_STATUS_FROZEN] = "Frozen", /* OS is frozen */
[IHK_OS_STATUS_SHUTDOWN] = "Shutdown", /* OS is shutting down */
[IHK_OS_STATUS_STOPPED] = "Stopped", /* OS stopped successfully */
[IHK_OS_STATUS_FAILED] = "Panic", /* OS panics or failed to boot */
[IHK_OS_STATUS_HUNGUP] = "Hangup", /* OS is hungup */
[IHK_OS_STATUS_COUNT] = NULL, /* End mark */
};
static void
/* Return value:
* Zero or positive: IHK_OS_STATUS value
* Negative: Error
*/
static int
mcstatus(int idx, int delay, int count)
{
int fd, rc;
int fd = -1, rc = 0;
for(;;) {
if ((fd = devopen(idx)) < 0) {
printf("Devide is not created\n");
} else {
rc = ioctl(fd, IHK_OS_STATUS, 0);
close(fd);
printf("McKernel status: ");
if (rc >= IHK_OS_STATUS_NOT_BOOTED && rc <= IHK_OS_STATUS_HUNGUP) {
printf("%s\n", charstat[rc]);
} else {
printf("ioctl error(IHK_OS_STATUS)\n");
}
for (;;) {
if ((fd = devopen(idx)) == -1) {
rc = -errno;
printf("Device not found\n");
goto next;
}
rc = ioctl(fd, IHK_OS_STATUS, 0);
if (rc == -1) {
rc = -errno;
printf("%s: error: IHK_OS_STATUS: %s\n",
__func__, strerror(-rc));
break;
}
close(fd);
fd = -1;
if (rc < 0 && rc >= IHK_OS_STATUS_COUNT) {
printf("%s: error: status (%d) out of range\n",
__func__, rc);
rc = -EINVAL;
break;
}
printf("McKernel status: %s\n",
charstat[rc] ? : "Unknown");
next:
if (count > 0 && --count == 0) {
break;
}
sleep(delay);
}
if (count > 0 && --count == 0) break;
sleep(delay);
}
if (fd != -1) {
close(fd);
}
return rc;
}
/* status is not contiguous numbers */