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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
commitd213c4e5576e2fd601679e0d7b2fb1262b807111 (patch)
tree5f0cc82bd0f11fb13b385417604d04c751245a92 /src/openvpn/mstats.h
parent79c8d3ef7a938f86472e549ef64e1fb820dc80c4 (diff)
parent8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 (diff)
Merge tag 'upstream/2.3_rc1'
Upstream version 2.3_rc1
Diffstat (limited to 'src/openvpn/mstats.h')
-rw-r--r--src/openvpn/mstats.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/openvpn/mstats.h b/src/openvpn/mstats.h
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+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single TCP/UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2002-2011 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Maintain usage stats in a memory-mapped file
+ */
+
+#if !defined(OPENVPN_MEMSTATS_H) && defined(ENABLE_MEMSTATS)
+#define OPENVPN_MEMSTATS_H
+
+#include "basic.h"
+
+/* this struct is mapped to the file */
+struct mmap_stats {
+ counter_type link_read_bytes; /* counter_type can be assumed to be a uint64_t */
+ counter_type link_write_bytes;
+ int n_clients;
+
+# define MSTATS_UNDEF 0
+# define MSTATS_ACTIVE 1
+# define MSTATS_EXPIRED 2
+ int state;
+};
+
+extern volatile struct mmap_stats *mmap_stats; /* GLOBAL */
+
+void mstats_open(const char *fn);
+void mstats_close(void);
+
+#endif