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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-02-21 15:53:40 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-02-21 15:53:40 +0100
commit349cfa7acb95abe865209a28e417ec74b56f9bba (patch)
treead65334821b587c4ecdd461be84c94305ffdb888 /status.h
Imported Upstream version 2.2.1upstream/2.2.1
Diffstat (limited to 'status.h')
-rw-r--r--status.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/status.h b/status.h
new file mode 100644
index 0000000..0bdad4e
--- /dev/null
+++ b/status.h
@@ -0,0 +1,95 @@
+/*
+ * 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) 2002-2010 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
+ */
+
+#ifndef STATUS_H
+#define STATUS_H
+
+#include "interval.h"
+
+/*
+ * virtual function interface for status output
+ */
+struct virtual_output {
+ void *arg;
+ unsigned int flags_default;
+ void (*func) (void *arg, const unsigned int flags, const char *str);
+};
+
+static inline void
+virtual_output_print (const struct virtual_output *vo, const unsigned int flags, const char *str)
+{
+ (*vo->func) (vo->arg, flags, str);
+}
+
+/*
+ * printf-style interface for inputting/outputting status info
+ */
+
+struct status_output
+{
+# define STATUS_OUTPUT_READ (1<<0)
+# define STATUS_OUTPUT_WRITE (1<<1)
+ unsigned int flags;
+
+ char *filename;
+ int fd;
+ int msglevel;
+ const struct virtual_output *vout;
+
+ struct buffer read_buf;
+
+ struct event_timeout et;
+
+ bool errors;
+};
+
+struct status_output *status_open (const char *filename,
+ const int refresh_freq,
+ const int msglevel,
+ const struct virtual_output *vout,
+ const unsigned int flags);
+
+bool status_trigger_tv (struct status_output *so, struct timeval *tv);
+bool status_trigger (struct status_output *so);
+void status_reset (struct status_output *so);
+void status_flush (struct status_output *so);
+bool status_close (struct status_output *so);
+void status_printf (struct status_output *so, const char *format, ...)
+#ifdef __GNUC__
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+ ;
+
+bool status_read (struct status_output *so, struct buffer *buf);
+
+static inline unsigned int
+status_rw_flags (const struct status_output *so)
+{
+ if (so)
+ return so->flags;
+ else
+ return 0;
+}
+
+#endif