Move the "is the network disabled?" functions out of router.c

Since this is completely core functionality, I'm putting it in
core/mainloop, even though it depends on feature/hibernate. We'll
have to sort that out in the future.

3 files changed, 43 insertions, 0 deletions

diff --git a/src/core/include.am b/src/core/include.am
index 21cad6dc24..64a593ca51 100644
--- a/src/core/include.am
+++ b/src/core/include.am
@@ -20,6 +20,7 @@ LIBTOR_APP_A_SOURCES = 				\
 	src/core/mainloop/connection.c		\
 	src/core/mainloop/cpuworker.c		\
 	src/core/mainloop/mainloop.c		\
+	src/core/mainloop/netstatus.c		\
 	src/core/mainloop/periodic.c		\
 	src/core/or/address_set.c		\
 	src/core/or/channel.c			\
@@ -187,6 +188,7 @@ noinst_HEADERS +=					\
 	src/core/mainloop/connection.h			\
 	src/core/mainloop/cpuworker.h			\
 	src/core/mainloop/mainloop.h			\
+	src/core/mainloop/netstatus.h			\
 	src/core/mainloop/periodic.h			\
 	src/core/or/addr_policy_st.h			\
 	src/core/or/address_set.h			\
diff --git a/src/core/mainloop/netstatus.c b/src/core/mainloop/netstatus.c
new file mode 100644
index 0000000000..f026474494
--- /dev/null
+++ b/src/core/mainloop/netstatus.c
@@ -0,0 +1,28 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "core/or/or.h"
+#include "core/mainloop/netstatus.h"
+#include "app/config/config.h"
+#include "feature/hibernate/hibernate.h"
+
+/** Return true iff our network is in some sense disabled or shutting down:
+ * either we're hibernating, entering hibernation, or the network is turned
+ * off with DisableNetwork. */
+int
+net_is_disabled(void)
+{
+  return get_options()->DisableNetwork || we_are_hibernating();
+}
+
+/** Return true iff our network is in some sense "completely disabled" either
+ * we're fully hibernating or the network is turned off with
+ * DisableNetwork. */
+int
+net_is_completely_disabled(void)
+{
+  return get_options()->DisableNetwork || we_are_fully_hibernating();
+}
diff --git a/src/core/mainloop/netstatus.h b/src/core/mainloop/netstatus.h
new file mode 100644
index 0000000000..e9310c2929
--- /dev/null
+++ b/src/core/mainloop/netstatus.h
@@ -0,0 +1,13 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef TOR_NETSTATUS_H
+#define TOR_NETSTATUS_H
+
+int net_is_disabled(void);
+int net_is_completely_disabled(void);
+
+#endif