diff options
Diffstat (limited to 'sysdeps/linux/procopenfiles.c')
| -rw-r--r-- | sysdeps/linux/procopenfiles.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/sysdeps/linux/procopenfiles.c b/sysdeps/linux/procopenfiles.c deleted file mode 100644 index 6aa37c4c..00000000 --- a/sysdeps/linux/procopenfiles.c +++ /dev/null @@ -1,268 +0,0 @@ -/* Copyright (C) 1998-99 Martin Baulig - Copyright (C) 2004 Nicolás Lichtmaier - This file is part of LibGTop 1.0. - - Modified by Nicolás Lichtmaier to give a process open files. - - Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. - - LibGTop is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - LibGTop is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - You should have received a copy of the GNU General Public License - along with LibGTop; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <config.h> -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/procopenfiles.h> -#include <sys/types.h> -#include <dirent.h> -#include <string.h> -#include <stdio.h> -#include <arpa/inet.h> - -#include "glibtop_private.h" - -static const unsigned long _glibtop_sysdeps_proc_open_files = -(1L << GLIBTOP_PROC_OPEN_FILES_NUMBER)| -(1L << GLIBTOP_PROC_OPEN_FILES_TOTAL)| -(1L << GLIBTOP_PROC_OPEN_FILES_SIZE); - -/* Init function. */ - -void -_glibtop_init_proc_open_files_s (glibtop *server) -{ - server->sysdeps.proc_open_files = _glibtop_sysdeps_proc_open_files; -} - - - -typedef void (*LineParser)(GHashTable *dict, const char *line); - - -static void -parse_file(const char *filename, LineParser parser, GHashTable *dict) -{ - FILE *f; - char *line = NULL; - size_t size = 0; - - f = fopen(filename, "r"); - - if(!f) { - g_warning("Cannot open '%s'", filename); - return; - } - - - /* skip the first line */ - if (getline(&line, &size, f) == -1) - goto eof; - - while (getline(&line, &size, f) != -1) - parser(dict, line); - - eof: - free(line); - fclose(f); -} - - -static GHashTable* -get_all(const char *filename, LineParser parser) -{ - GHashTable *dict; - - dict = g_hash_table_new_full(g_direct_hash, g_direct_equal, - NULL, g_free); - - parse_file(filename, parser, dict); - - return dict; -} - - - - - -struct InetSocketEntry -{ - char host[GLIBTOP_OPEN_DEST_HOST_LEN + 1]; - int port; -}; - - -static void -inet_socket_parser(GHashTable *dict, const char* line) -{ - struct InetSocketEntry *se; - int sock; - unsigned addr; - - se = g_malloc0(sizeof *se); - - if(sscanf(line, "%*d: %*x:%*x %8x:%4x %*x %*x:%*x %*x:%*x %*d %*d %*d %d", - &addr, &se->port, &sock) != 3) - goto error; - - if(!inet_ntop(AF_INET, &addr, se->host, sizeof se->host)) - goto error; - - g_hash_table_insert(dict, GINT_TO_POINTER(sock), se); - return; - - error: - g_free(se); -} - - -static inline GHashTable * -get_all_inet_sockets() -{ - return get_all("/proc/net/tcp", inet_socket_parser); -} - - - - - -struct LocalSocketEntry -{ - char name[GLIBTOP_OPEN_DEST_HOST_LEN + 1]; -}; - - -static void -local_socket_parser(GHashTable *dict, const char *line) -{ - int sock; - struct LocalSocketEntry *use; - char *p; - - use = g_malloc0(sizeof *use); - - /* dfaf1640: 00000003 00000000 00000000 0001 03 6457 /dev/log */ - p = skip_multiple_token(line, 6); - - sock = strtoul(p, &p, 10); - g_strlcpy(use->name, p, sizeof use->name); - g_strstrip(use->name); - g_hash_table_insert(dict, GINT_TO_POINTER(sock), use); -} - - -static inline GHashTable * -get_all_local_sockets() -{ - return get_all("/proc/net/unix", local_socket_parser); -} - - - -/* Provides detailed information about a process' open files */ - -glibtop_open_files_entry * -glibtop_get_proc_open_files_s (glibtop *server, glibtop_proc_open_files *buf, pid_t pid) -{ - char fn [BUFSIZ]; - GArray *entries; - GHashTable *inet_sockets = NULL, *local_sockets = NULL; - struct dirent *direntry; - DIR *dir; - - memset (buf, 0, sizeof (glibtop_proc_open_files)); - - sprintf (fn, "/proc/%d/fd", pid); - - dir = opendir (fn); - if (!dir) return NULL; - - entries = g_array_new(FALSE, FALSE, sizeof(glibtop_open_files_entry)); - - while((direntry = readdir(dir))) { - char tgt [BUFSIZ]; - glibtop_open_files_entry entry = {0}; - - if(direntry->d_name[0] == '.') - continue; - - g_snprintf(fn, sizeof fn, "/proc/%d/fd/%s", - pid, direntry->d_name); - - if (!safe_readlink(fn, tgt, sizeof tgt)) - continue; - - entry.fd = atoi(direntry->d_name); - - if(g_str_has_prefix(tgt, "socket:[")) - { - int sockfd; - struct InetSocketEntry *ise; - struct LocalSocketEntry *lse; - - if(!inet_sockets) inet_sockets = get_all_inet_sockets(); - if(!local_sockets) local_sockets = get_all_local_sockets(); - - sockfd = atoi(tgt + 8); - - ise = g_hash_table_lookup(inet_sockets, - GINT_TO_POINTER(sockfd)); - - if(ise) { - entry.type = GLIBTOP_FILE_TYPE_INETSOCKET; - entry.info.sock.dest_port = ise->port; - g_strlcpy(entry.info.sock.dest_host, ise->host, - sizeof entry.info.sock.dest_host); - goto found; - } - - lse = g_hash_table_lookup(local_sockets, - GINT_TO_POINTER(sockfd)); - - if(lse) { - entry.type = GLIBTOP_FILE_TYPE_LOCALSOCKET; - g_strlcpy(entry.info.localsock.name, lse->name, - sizeof entry.info.localsock.name); - goto found; - } - - found: - (void)0; /* kills warning */ - } - else if(g_str_has_prefix(tgt, "pipe:[")) - { - entry.type = GLIBTOP_FILE_TYPE_PIPE; - } - else - { - entry.type = GLIBTOP_FILE_TYPE_FILE; - g_strlcpy(entry.info.file.name, tgt, sizeof entry.info.file.name); - } - - g_array_append_val(entries, entry); - } - - closedir (dir); - - if(inet_sockets) g_hash_table_destroy(inet_sockets); - if(local_sockets) g_hash_table_destroy(local_sockets); - - buf->flags = _glibtop_sysdeps_proc_open_files; - buf->number = entries->len; - buf->size = sizeof(glibtop_open_files_entry); - buf->total = buf->number * buf->size; - - return (glibtop_open_files_entry*)g_array_free(entries, FALSE); -} |