Imported Upstream version 2.2.1upstream/2.2.1

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