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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/time.h>
#include <errno.h>
#include "lastcomm.h"
/* ARGSUSED1 */
static void
skip_group(ea_file_t *ef, uint_t nobjs)
{
ea_object_t curr_obj;
if (ea_previous_object(ef, &curr_obj) == -1) {
(void) fprintf(stderr, gettext("lastcomm: "
"corrupted exacct file\n"));
exit(1);
}
}
static int
ok(int argc, char *argv[], int index, uid_t uid, dev_t tty, char *command)
{
int j;
for (j = index; j < argc; j++)
if (strcmp(getname(uid), argv[j]) &&
strcmp(getdev(tty), argv[j]) &&
strncmp(command, argv[j], fldsiz(acct, ac_comm)))
break;
return (j == argc);
}
static void
disp_group(ea_file_t *ef, uint_t nobjs, int argc, char *argv[], int index)
{
uint_t i;
char *command = NULL;
double cpu_usr_secs = 0.;
double cpu_usr_nsecs = 0.;
double cpu_sys_secs = 0.;
double cpu_sys_nsecs = 0.;
double totalsecs;
dev_t tty = 0;
major_t tty_major = 0;
minor_t tty_minor = 0;
uid_t uid = 0;
time_t time = 0;
uint32_t flag = 0;
for (i = 0; i < nobjs; i++) {
ea_object_t curr_obj;
if (ea_get_object(ef, &curr_obj) == -1) {
(void) fprintf(stderr, gettext("lastcomm: "
"corrupted exacct file\n"));
exit(1);
}
switch (curr_obj.eo_catalog) {
case EXT_STRING | EXC_DEFAULT | EXD_PROC_COMMAND:
command = curr_obj.eo_item.ei_string;
break;
case EXT_UINT32 | EXC_DEFAULT | EXD_PROC_UID:
uid = curr_obj.eo_item.ei_uint32;
break;
case EXT_UINT64 | EXC_DEFAULT | EXD_PROC_CPU_SYS_SEC:
cpu_sys_secs = curr_obj.eo_item.ei_uint64;
break;
case EXT_UINT64 | EXC_DEFAULT | EXD_PROC_CPU_USER_SEC:
cpu_usr_secs = curr_obj.eo_item.ei_uint64;
break;
case EXT_UINT64 | EXC_DEFAULT | EXD_PROC_CPU_SYS_NSEC:
cpu_sys_nsecs = curr_obj.eo_item.ei_uint64;
break;
case EXT_UINT64 | EXC_DEFAULT | EXD_PROC_CPU_USER_NSEC:
cpu_usr_nsecs = curr_obj.eo_item.ei_uint64;
break;
case EXT_UINT32 | EXC_DEFAULT | EXD_PROC_TTY_MAJOR:
tty_major = curr_obj.eo_item.ei_uint32;
break;
case EXT_UINT32 | EXC_DEFAULT | EXD_PROC_TTY_MINOR:
tty_minor = curr_obj.eo_item.ei_uint32;
break;
case EXT_UINT32 | EXC_DEFAULT | EXD_PROC_ACCT_FLAGS:
flag = curr_obj.eo_item.ei_uint32;
break;
case EXT_UINT64 | EXC_DEFAULT | EXD_PROC_START_SEC:
time = (uint32_t)curr_obj.eo_item.ei_uint64;
break;
default:
break;
}
if (curr_obj.eo_type == EO_GROUP)
disp_group(ef, curr_obj.eo_group.eg_nobjs,
argc, argv, index);
}
if (command == NULL) {
(void) fprintf(stderr, gettext("lastcomm: "
"corrupted exacct file\n"));
exit(1);
}
/*
* If a 64-bit kernel returns a major or minor value that would exceed
* the capacity of a 32-bit dev_t (and these also become visible in the
* filesystem), then the 32-bit makedev may be inaccurate and return
* NODEV. When this occurs, we can remedy the problem by providing
* either a function which returns "dev64_t"'s or by providing an LP64
* version of lastcomm.
*/
tty = makedev(tty_major, tty_minor);
/*
* If this record doesn't match the optional arguments, go on to the
* next record.
*/
if (argc > index && !ok(argc, argv, index, uid, tty, command))
return;
totalsecs =
cpu_usr_secs + cpu_usr_nsecs / NANOSEC +
cpu_sys_secs + cpu_sys_nsecs / NANOSEC;
(void) printf("%-*.*s %s %-*s %-*s %6.2f secs %.16s\n",
fldsiz(acct, ac_comm), fldsiz(acct, ac_comm), command,
flagbits(flag), NMAX, getname(uid), LMAX, getdev(tty),
totalsecs, ctime(&time));
}
int
lc_exacct(char *filename, int argc, char *argv[], int index)
{
ea_file_t ef;
ea_object_t curr_obj;
if (ea_open(&ef, filename, EXACCT_CREATOR,
EO_TAIL | EO_VALID_HDR, O_RDONLY, 0) < 0) {
switch (ea_error()) {
case EXR_CORRUPT_FILE:
(void) fprintf(stderr, gettext("lastcomm: "
"exacct file corrupted\n"));
break;
case EXR_SYSCALL_FAIL:
(void) fprintf(stderr, gettext("lastcomm: "
"cannot open %s: %s\n"), filename,
strerror(errno));
break;
default:
break;
}
return (1);
}
while (ea_previous_object(&ef, &curr_obj) != -1) {
if (ea_get_object(&ef, &curr_obj) == -1) {
(void) fprintf(stderr, gettext("lastcomm: "
"exacct file corrupted\n"));
exit(1);
}
/*
* lc_exacct(), in parsing the extended process accounting file,
* has knowledge of the fact that process records are top-level
* records.
*/
if ((curr_obj.eo_catalog & EXT_TYPE_MASK) == EXT_GROUP) {
if (curr_obj.eo_catalog ==
(EXT_GROUP | EXC_DEFAULT | EXD_GROUP_PROC))
disp_group(&ef, curr_obj.eo_group.eg_nobjs,
argc, argv, index);
else
skip_group(&ef, curr_obj.eo_group.eg_nobjs);
}
/*
* Back up to the head of the object we just consumed.
*/
if (ea_previous_object(&ef, &curr_obj) == -1) {
if (ea_error() == EXR_EOF)
break;
(void) fprintf(stderr, gettext("lastcomm: "
"exacct file corrupted\n"));
exit(1);
}
}
if (ea_error() != EXR_EOF) {
(void) fprintf(stderr, gettext("lastcomm: "
"exacct file corrupted\n"));
exit(1);
}
(void) ea_close(&ef);
return (0);
}
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