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

tests/test-interest.cpp

diff --git a/tests/test-interest.cpp b/tests/test-interest.cpp
index 0c2db34..eca8066 100644
--- a/tests/test-interest.cpp
+++ b/tests/test-interest.cpp
@@ -63,7 +63,7 @@
 
   BOOST_REQUIRE_EQUAL(i.getName().toUri(), "/local/ndn/prefix");
   BOOST_REQUIRE_EQUAL(i.getScope(), 1);
-  BOOST_REQUIRE_EQUAL(i.getInterestLifetime(), 1000);
+  BOOST_REQUIRE_EQUAL(i.getInterestLifetime(), time::milliseconds(1000));
   BOOST_REQUIRE_EQUAL(i.getMinSuffixComponents(), 1);
   BOOST_REQUIRE_EQUAL(i.getMaxSuffixComponents(), 1);
   BOOST_REQUIRE_EQUAL(i.getChildSelector(), 1);
@@ -83,7 +83,7 @@
 
   BOOST_REQUIRE_EQUAL(i.getName().toUri(), "/local/ndn/prefix");
   BOOST_REQUIRE_EQUAL(i.getScope(), 1);
-  BOOST_REQUIRE_EQUAL(i.getInterestLifetime(), 1000);
+  BOOST_REQUIRE_EQUAL(i.getInterestLifetime(), time::milliseconds(1000));
   BOOST_REQUIRE_EQUAL(i.getMinSuffixComponents(), 1);
   BOOST_REQUIRE_EQUAL(i.getMaxSuffixComponents(), 1);
   BOOST_REQUIRE_EQUAL(i.getChildSelector(), 1);
@@ -96,7 +96,7 @@
 {
   ndn::Interest i(ndn::Name("/local/ndn/prefix"));
   i.setScope(1);
-  i.setInterestLifetime(1000);
+  i.setInterestLifetime(time::milliseconds(1000));
   i.setMinSuffixComponents(1);
   i.setMaxSuffixComponents(1);
   i.setChildSelector(1);