commit aa0e7dad62bf078ca122bb7b91c03a74825b9433
author Alexander Afanasyev <alexander.afanasyev@ucla.edu> Mon Mar 17 14:37:33 2014 -0700
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> Tue Mar 18 16:19:53 2014 -0700
tree 3be0c32ca2f5b89c99525b2901ea61183b7131a9
parent 6e0c5a5e470795fa0f743366bfd400809ba1a001

all: Refactoring work with time using boost::chrono

Now the library has two clocks: time::steady_clock and
time::system_clock, following (boost|std)::chrono.  In addition to
standard now() method, the library contains several helpers to convert
to/from UnixTimestamp (microsecond resolution) and IsoString (optional
microsecond resolution).  The IsoString conversions use
boost::posix_time routines, since boost::chrono supports extended IO
support only starting boost version 1.52 (Boost Chrono V2).

This commit breaks compatibility with previous API.  All time-related
Data/Interest calls must explicitly use time units to specify
FreshnessPeriod/InterestLifetime.

Brief usage/conversion guide:

- creation of time units does not support double/float types.  If
  necessary to create time unit from double, ``ndn::duration<double>`` (for
  seconds) needs to be used instead.  In some cases, this would also
  require ``ndn::duration_cast``, if the target is not ``ndn::nanoseconds``.
- ndn::getNow, ndn::ndn_getNowMilliseconds, ndn::time::now are all
  removed in favor of the now() method in a specific clock:

    * time::system_clock::now();
    * time::steady_clock::now();

- When necessary to convert system_clock::TimePoint to unix timestamp,
  ``time::toUnixTimestamp`` can be used.  This method return number of
  milliseconds since UNIX epoch as ``ndn::time::milliseconds`` type.
  Use count() method to obtain number as an integral value.

Change-Id: Icd688bc6766e008d60c3d2888173627874526e47
Refs: #1152

src/face.hpp

diff --git a/src/face.hpp b/src/face.hpp
index fcd9bd0..4cb4c67 100644
--- a/src/face.hpp
+++ b/src/face.hpp
@@ -17,6 +17,7 @@
 
 #include "management/controller.hpp"
 
+#include "util/scheduler.hpp"
 #include "detail/registered-prefix.hpp"
 #include "detail/pending-interest.hpp"
 
@@ -192,7 +193,8 @@
    * call this from an main event loop, you may want to catch and log/disregard all exceptions.
    */
   void 
-  processEvents(Milliseconds timeout = 0, bool keepThread = false);
+  processEvents(const time::milliseconds& timeout = time::milliseconds::zero(),
+                bool keepThread = false);
 
   void 
   shutdown();
@@ -241,9 +243,9 @@
 private:
   shared_ptr<boost::asio::io_service> m_ioService;
   shared_ptr<boost::asio::io_service::work> m_ioServiceWork; // needed if thread needs to be preserved
-  shared_ptr<boost::asio::deadline_timer> m_pitTimeoutCheckTimer;
+  shared_ptr<monotonic_deadline_timer> m_pitTimeoutCheckTimer;
   bool m_pitTimeoutCheckTimerActive;
-  shared_ptr<boost::asio::deadline_timer> m_processEventsTimeoutTimer;
+  shared_ptr<monotonic_deadline_timer> m_processEventsTimeoutTimer;
   
   shared_ptr<Transport> m_transport;