Added cygwin support.
Patch by Cygwin Ports maintainer <yselkowitz@users.sourceforge.net>. See #578890.
This commit is contained in:
Benoît Dejean
324
sysdeps/cygwin/procopenfiles.c
Normal file
324
sysdeps/cygwin/procopenfiles.c
Normal file
@@ -0,0 +1,324 @@
|
||||
/* 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 Inet6SocketEntry
|
||||
{
|
||||
char host[GLIBTOP_OPEN_DEST_HOST_LEN + 1];
|
||||
int port;
|
||||
};
|
||||
|
||||
|
||||
static void
|
||||
inet6_socket_parser(GHashTable *dict, const char* line)
|
||||
{
|
||||
struct Inet6SocketEntry *se;
|
||||
int sock;
|
||||
struct in6_addr addr;
|
||||
|
||||
se = g_malloc0(sizeof *se);
|
||||
|
||||
if(sscanf(line, "%*d: %*s %8x%8x%8x%8x:%4x %*x %*x:%*x %*x:%*x %*d %*d %*d %d",
|
||||
&addr.s6_addr32[0], &addr.s6_addr32[1], &addr.s6_addr32[2],
|
||||
&addr.s6_addr32[3], &se->port, &sock) != 6)
|
||||
goto error;
|
||||
|
||||
if(!inet_ntop(AF_INET6, &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_inet6_sockets()
|
||||
{
|
||||
return get_all("/proc/net/tcp6", inet6_socket_parser);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
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 *inet6_sockets = NULL, *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 Inet6SocketEntry *i6se;
|
||||
struct InetSocketEntry *ise;
|
||||
struct LocalSocketEntry *lse;
|
||||
|
||||
if(!inet6_sockets) inet6_sockets = get_all_inet6_sockets();
|
||||
if(!inet_sockets) inet_sockets = get_all_inet_sockets();
|
||||
if(!local_sockets) local_sockets = get_all_local_sockets();
|
||||
|
||||
sockfd = atoi(tgt + 8);
|
||||
|
||||
i6se = g_hash_table_lookup(inet6_sockets,
|
||||
GINT_TO_POINTER(sockfd));
|
||||
|
||||
if(i6se) {
|
||||
entry.type = GLIBTOP_FILE_TYPE_INET6SOCKET;
|
||||
entry.info.sock.dest_port = i6se->port;
|
||||
g_strlcpy(entry.info.sock.dest_host, i6se->host,
|
||||
sizeof entry.info.sock.dest_host);
|
||||
goto found;
|
||||
}
|
||||
|
||||
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(inet6_sockets) g_hash_table_destroy(inet6_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);
|
||||
}
|
||||
Reference in New Issue
Block a user