Implement more heartbeat message stuff.

(This squashes multiple commits:

* Adds uptime monitoring support.
* Adds circuit counting code.
* Trivially tweaks the documentation.
* Trivial run_scheduled_events() code tweaking.
* Adds a status.h to export functions.
* Added bandwidth monitoring code.
* Added consensus presense detection code.
* Restricts the precision of the bandwidth output.
* Various fixes.
* Fixed style and spacing problems.
* Tidied up src/or/Makefile.am
* Couple of minor fixes on status.c functions.
* 'Implemented' client heartbeat support
)

1 files changed, 3 insertions, 0 deletions

diff --git a/src/or/main.h b/src/or/main.h
index 4e15d4dac..49ed5fea5 100644
--- a/src/or/main.h
+++ b/src/or/main.h
@@ -49,6 +49,9 @@ void directory_info_has_arrived(time_t now, int from_cache);
 void ip_address_changed(int at_interface);
 void dns_servers_relaunch_checks(void);
 
+long get_uptime(void);
+void get_traffic_stats(uint64_t *in, uint64_t *out);
+
 void control_signal_act(int the_signal);
 void handle_signals(int is_parent);