freebsd-dev/usr.bin/procstat/procstat_files.c
Robert Watson 5a246d2912 Add 'COMM' column to a few more output modes of procstat(1). The only
one it's missing from is the VM display, where there's really not room,
and the file output display is looking quite cramped.
2007-12-10 20:55:43 +00:00

307 lines
6.8 KiB
C

/*-
* Copyright (c) 2007 Robert N. M. Watson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/un.h>
#include <sys/user.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <err.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
static const char *
protocol_to_string(int domain, int type, int protocol)
{
switch (domain) {
case AF_INET:
case AF_INET6:
switch (protocol) {
case IPPROTO_TCP:
return ("TCP");
case IPPROTO_UDP:
return ("UDP");
case IPPROTO_ICMP:
return ("ICM");
case IPPROTO_RAW:
return ("RAW");
case IPPROTO_SCTP:
return ("SCT");
case IPPROTO_DIVERT:
return ("IPD");
default:
return ("IP?");
}
case AF_LOCAL:
switch (type) {
case SOCK_STREAM:
return ("UDS");
case SOCK_DGRAM:
return ("UDD");
default:
return ("UD?");
}
default:
return ("?");
}
}
static void
addr_to_string(struct sockaddr_storage *ss, char *buffer, int buflen)
{
char buffer2[INET6_ADDRSTRLEN];
struct sockaddr_in6 *sin6;
struct sockaddr_in *sin;
struct sockaddr_un *sun;
switch (ss->ss_family) {
case AF_LOCAL:
sun = (struct sockaddr_un *)ss;
if (strlen(sun->sun_path) == 0)
strlcpy(buffer, "-", buflen);
else
strlcpy(buffer, sun->sun_path, buflen);
break;
case AF_INET:
sin = (struct sockaddr_in *)ss;
snprintf(buffer, buflen, "%s:%d", inet_ntoa(sin->sin_addr),
ntohs(sin->sin_port));
break;
case AF_INET6:
sin6 = (struct sockaddr_in6 *)ss;
if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer2,
sizeof(buffer2)) != NULL)
snprintf(buffer, buflen, "%s.%d", buffer2,
ntohs(sin6->sin6_port));
else
strlcpy(buffer, "-", sizeof(buffer));
break;
default:
strlcpy(buffer, "", buflen);
break;
}
}
static void
print_address(struct sockaddr_storage *ss)
{
char addr[PATH_MAX];
addr_to_string(ss, addr, sizeof(addr));
printf("%s", addr);
}
void
procstat_files(pid_t pid, struct kinfo_proc *kipp)
{
struct kinfo_file *freep, *kif;
int error, i, name[4];
const char *str;
size_t len;
if (!hflag)
printf("%5s %-16s %3s %1s %1s %-8s %3s %7s %-3s %-12s\n",
"PID", "COMM", "FD", "T", "V", "FLAGS", "REF", "OFFSET",
"PRO", "NAME");
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = KERN_PROC_FILEDESC;
name[3] = pid;
error = sysctl(name, 4, NULL, &len, NULL, 0);
if (error < 0 && errno != ESRCH && errno != EPERM) {
warn("sysctl: kern.proc.filedesc: %d", pid);
return;
}
if (error < 0)
return;
freep = kif = malloc(len);
if (kif == NULL)
err(-1, "malloc");
if (sysctl(name, 4, kif, &len, NULL, 0) < 0) {
warn("sysctl: kern.proc.filedesc %d", pid);
free(freep);
return;
}
for (i = 0; i < len / sizeof(*kif); i++, kif++) {
if (kif->kf_structsize != sizeof(*kif))
errx(-1, "kinfo_file mismatch");
printf("%5d ", pid);
printf("%-16s ", kipp->ki_comm);
printf("%3d ", kif->kf_fd);
switch (kif->kf_type) {
case KF_TYPE_VNODE:
str = "v";
break;
case KF_TYPE_SOCKET:
str = "s";
break;
case KF_TYPE_PIPE:
str = "p";
break;
case KF_TYPE_FIFO:
str = "f";
break;
case KF_TYPE_KQUEUE:
str = "k";
break;
case KF_TYPE_CRYPTO:
str = "c";
break;
case KF_TYPE_MQUEUE:
str = "m";
break;
case KF_TYPE_NONE:
case KF_TYPE_UNKNOWN:
default:
str = "?";
break;
}
printf("%1s ", str);
str = "-";
if (kif->kf_type == KF_TYPE_VNODE) {
switch (kif->kf_vnode_type) {
case KF_VTYPE_VREG:
str = "r";
break;
case KF_VTYPE_VDIR:
str = "d";
break;
case KF_VTYPE_VBLK:
str = "b";
break;
case KF_VTYPE_VCHR:
str = "c";
break;
case KF_VTYPE_VLNK:
str = "l";
break;
case KF_VTYPE_VSOCK:
str = "s";
break;
case KF_VTYPE_VFIFO:
str = "f";
break;
case KF_VTYPE_VBAD:
str = "x";
break;
case KF_VTYPE_VNON:
case KF_VTYPE_UNKNOWN:
default:
str = "?";
break;
}
}
printf("%1s ", str);
printf("%s", kif->kf_flags & KF_FLAG_READ ? "r" : "-");
printf("%s", kif->kf_flags & KF_FLAG_WRITE ? "w" : "-");
printf("%s", kif->kf_flags & KF_FLAG_APPEND ? "a" : "-");
printf("%s", kif->kf_flags & KF_FLAG_ASYNC ? "s" : "-");
printf("%s", kif->kf_flags & KF_FLAG_FSYNC ? "f" : "-");
printf("%s", kif->kf_flags & KF_FLAG_NONBLOCK ? "n" : "-");
printf("%s", kif->kf_flags & KF_FLAG_DIRECT ? "d" : "-");
printf("%s ", kif->kf_flags & KF_FLAG_HASLOCK ? "l" : "-");
printf("%3d ", kif->kf_ref_count);
printf("%7jd ", (intmax_t)kif->kf_offset);
switch (kif->kf_type) {
case KF_TYPE_VNODE:
case KF_TYPE_FIFO:
printf("%-3s ", "-");
printf("%-18s", kif->kf_path);
break;
case KF_TYPE_SOCKET:
printf("%-3s ",
protocol_to_string(kif->kf_sock_domain,
kif->kf_sock_type, kif->kf_sock_protocol));
/*
* While generally we like to print two addresses,
* local and peer, for sockets, it turns out to be
* more useful to print the first non-nul address for
* local sockets, as typically they aren't bound and
* connected, and the path strings can get long.
*/
if (kif->kf_sock_domain == AF_LOCAL) {
struct sockaddr_un *sun =
(struct sockaddr_un *)&kif->kf_sa_local;
if (sun->sun_path[0] != 0)
print_address(&kif->kf_sa_local);
else
print_address(&kif->kf_sa_peer);
} else {
print_address(&kif->kf_sa_local);
printf(" ");
print_address(&kif->kf_sa_peer);
}
break;
default:
printf("%-3s ", "-");
printf("%-18s", "-");
}
printf("\n");
}
free(freep);
}