Split off OpenBSD code into a separate implementation
Move OpenBSD code into its own sysdeps directory. The changes from bsd/ were becoming to hard to maintain as a #ifdef tree. This is what's currently being distributed as part of OpenBSD ports.
This commit is contained in:
Jasper Lievisse Adriaanse
225
sysdeps/openbsd/procopenfiles.c
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225
sysdeps/openbsd/procopenfiles.c
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/* $OpenBSD: procopenfiles.c,v 1.2 2011/05/23 19:35:55 jasper Exp $ */
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/* Copyright (C) 1998-99 Martin Baulig
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Copyright (C) 2004 Nicol\ufffds Lichtmaier
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Copyright (C) 2007 Joe Marcus Clarke
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This file is part of LibGTop 1.0.
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Modified by Nicol\ufffds Lichtmaier to give a process open files.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/procopenfiles.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/un.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <stdlib.h>
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#include "glibtop_private.h"
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static const unsigned long _glibtop_sysdeps_proc_open_files =
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(1L << GLIBTOP_PROC_OPEN_FILES_NUMBER)|
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(1L << GLIBTOP_PROC_OPEN_FILES_TOTAL)|
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(1L << GLIBTOP_PROC_OPEN_FILES_SIZE);
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/* Init function. */
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void
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_glibtop_init_proc_open_files_s (glibtop *server)
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{
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server->sysdeps.proc_open_files = _glibtop_sysdeps_proc_open_files;
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}
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static GArray *
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parse_output(const char *output) {
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GArray *entries;
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char **lines;
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char *ftype = NULL;
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char *fname = NULL;
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guint i;
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guint len;
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int fd = -1;
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entries = g_array_new(FALSE, FALSE, sizeof(glibtop_open_files_entry));
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lines = g_strsplit(output, "\n", 0);
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len = g_strv_length(lines);
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for (i = 0; i < len && lines[i]; i++) {
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glibtop_open_files_entry entry = {0};
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if (strlen(lines[i]) < 2)
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continue;
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if (!g_str_has_prefix(lines[i], "f") &&
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!g_str_has_prefix(lines[i], "t") &&
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!g_str_has_prefix(lines[i], "n"))
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continue;
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if (g_str_has_prefix(lines[i], "f")) {
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if (!g_ascii_isdigit(*(lines[i] + 1)))
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i += 2;
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else
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fd = atoi(lines[i] + 1);
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continue;
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}
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if (g_str_has_prefix(lines[i], "t")) {
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ftype = lines[i];
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ftype++;
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continue;
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} else {
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fname = lines[i];
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fname++;
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}
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if (ftype == NULL || fname == NULL)
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continue;
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if (!strcmp(ftype, "unix")) {
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entry.type = GLIBTOP_FILE_TYPE_LOCALSOCKET;
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g_strlcpy(entry.info.localsock.name, fname,
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sizeof(entry.info.localsock.name));
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} else if (!strcmp(ftype, "PIPE")) {
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entry.type = GLIBTOP_FILE_TYPE_PIPE;
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} else if (!strcmp(ftype, "VREG") ||
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!strcmp(ftype, "GDIR") ||
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!strcmp(ftype, "GREG") ||
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!strcmp(ftype, "VCHR") ||
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!strcmp(ftype, "VBLK") ||
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!strcmp(ftype, "DIR") ||
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!strcmp(ftype, "LINK") ||
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!strcmp(ftype, "REG") ||
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!strcmp(ftype, "VDIR")) {
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entry.type = GLIBTOP_FILE_TYPE_FILE;
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g_strlcpy(entry.info.file.name, fname,
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sizeof(entry.info.file.name));
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} else if (!strcmp(ftype, "IPv4")) {
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char **hosts;
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char **remote_host;
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if (!strstr(fname, "->")) {
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remote_host = g_strsplit(fname, ":", 0);
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} else {
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hosts = g_strsplit(fname, "->", 0);
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if (g_strv_length(hosts) < 2) {
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g_strfreev(hosts);
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continue;
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}
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remote_host = g_strsplit(hosts[1], ":", 0);
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g_strfreev(hosts);
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}
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if (g_strv_length(remote_host) < 2) {
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g_strfreev(remote_host);
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continue;
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}
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entry.type = GLIBTOP_FILE_TYPE_INETSOCKET;
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if (!strcmp(remote_host[0], "*"))
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g_strlcpy(entry.info.sock.dest_host, "0.0.0.0",
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sizeof(entry.info.sock.dest_host));
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else
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g_strlcpy(entry.info.sock.dest_host,
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remote_host[0],
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sizeof(entry.info.sock.dest_host));
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entry.info.sock.dest_port = atoi(remote_host[1]);
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g_strfreev(remote_host);
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} else if (!strcmp(ftype, "IPv6")) {
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char **hosts;
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char **remote_host;
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if (!strstr(fname, "->")) {
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remote_host = g_strsplit(fname, ":", 0);
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} else {
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hosts = g_strsplit(fname, "->", 0);
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if (g_strv_length(hosts) < 2) {
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g_strfreev(hosts);
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continue;
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}
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remote_host = g_strsplit(hosts[1], "]", 0);
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g_strfreev(hosts);
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}
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if (g_strv_length(remote_host) < 2) {
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g_strfreev(remote_host);
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continue;
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}
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entry.type = GLIBTOP_FILE_TYPE_INET6SOCKET;
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if (!strcmp(remote_host[0], "*"))
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g_strlcpy(entry.info.sock.dest_host, "0.0.0.0",
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sizeof(entry.info.sock.dest_host));
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else
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g_strlcpy(entry.info.sock.dest_host,
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remote_host[0] + 1,
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sizeof(entry.info.sock.dest_host));
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entry.info.sock.dest_port = atoi(remote_host[1] + 1);
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g_strfreev(remote_host);
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} else
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continue;
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entry.fd = fd;
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fd = -1;
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ftype = NULL;
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fname = NULL;
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g_array_append_val(entries, entry);
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}
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g_strfreev(lines);
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return entries;
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}
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glibtop_open_files_entry *
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glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf, pid_t pid)
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{
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char *output;
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GArray *entries;
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memset(buf, 0, sizeof (glibtop_proc_open_files));
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output = execute_lsof(pid);
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if (output == NULL) return NULL;
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entries = parse_output(output);
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g_free(output);
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buf->flags = _glibtop_sysdeps_proc_open_files;
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buf->number = entries->len;
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buf->size = sizeof(glibtop_open_files_entry);
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buf->total = buf->number * buf->size;
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return (glibtop_open_files_entry*)g_array_free(entries, FALSE);
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}
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