[gnunet] branch master updated: introduce new TIME helper functions

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new d44f867e7 introduce new TIME helper functions
d44f867e7 is described below

commit d44f867e71e13be3970e8803e0ae238e8d3ed7ee
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Fri Jul 23 20:07:44 2021 +0200

    introduce new TIME helper functions
---
 src/include/gnunet_time_lib.h | 42 ++++++++++++++++++++++++++++++++++++++++--
 src/util/time.c               | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/src/include/gnunet_time_lib.h b/src/include/gnunet_time_lib.h
index b9e87fcbe..bddf5c6bf 100644
--- a/src/include/gnunet_time_lib.h
+++ b/src/include/gnunet_time_lib.h
@@ -529,6 +529,44 @@ struct GNUNET_TIME_AbsoluteNBO
 GNUNET_TIME_absolute_hton (struct GNUNET_TIME_Absolute a);
 
 
+/**
+ * Convert milliseconds after the UNIX epoch to absolute time.
+ *
+ * @param ms_after_epoch millisecond timestamp to convert
+ * @return converted time value
+ */
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_absolute_from_ms (uint64_t ms_after_epoch);
+
+
+/**
+ * Test if @a abs is never.
+ *
+ * @return true if it is.
+ */
+bool
+GNUNET_TIME_absolute_is_never (struct GNUNET_TIME_Absolute abs);
+
+
+/**
+ * Test if @a rel is forever.
+ *
+ * @return true if it is.
+ */
+bool
+GNUNET_TIME_relative_is_forever (struct GNUNET_TIME_Relative rel);
+
+
+/**
+ * Convert seconds after the UNIX epoch to absolute time.
+ *
+ * @param s_after_epoch seconds after epoch to convert
+ * @return converted time value
+ */
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_absolute_from_s (uint64_t s_after_epoch);
+
+
 /**
  * Convert absolute time from network byte order.
  *
@@ -609,8 +647,8 @@ struct GNUNET_CONFIGURATION_Handle;
  * @return monotonically increasing time
  */
 struct GNUNET_TIME_Absolute
-GNUNET_TIME_absolute_get_monotonic (const struct
-                                    GNUNET_CONFIGURATION_Handle *cfg);
+GNUNET_TIME_absolute_get_monotonic (
+  const struct GNUNET_CONFIGURATION_Handle *cfg);
 
 
 #if 0                           /* keep Emacsens' auto-indent happy */
diff --git a/src/util/time.c b/src/util/time.c
index 456ee660b..15a4160e2 100644
--- a/src/util/time.c
+++ b/src/util/time.c
@@ -470,6 +470,47 @@ GNUNET_TIME_absolute_hton (struct GNUNET_TIME_Absolute a)
 }
 
 
+bool
+GNUNET_TIME_absolute_is_never (struct GNUNET_TIME_Absolute abs)
+{
+  return abs.abs_value_us == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
+}
+
+
+bool
+GNUNET_TIME_relative_is_forever (struct GNUNET_TIME_Relative rel)
+{
+  return rel.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us;
+}
+
+
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_absolute_from_ms (uint64_t ms_after_epoch)
+{
+  struct GNUNET_TIME_Absolute ret;
+
+  ret.abs_value_us = GNUNET_TIME_UNIT_MILLISECONDS.rel_value_us
+                     * ms_after_epoch;
+  if (ret.abs_value_us / GNUNET_TIME_UNIT_MILLISECONDS.rel_value_us !=
+      ms_after_epoch)
+    ret = GNUNET_TIME_UNIT_FOREVER_ABS;
+  return ret;
+}
+
+
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_absolute_from_s (uint64_t s_after_epoch)
+{
+  struct GNUNET_TIME_Absolute ret;
+
+  ret.abs_value_us = GNUNET_TIME_UNIT_SECONDS.rel_value_us * s_after_epoch;
+  if (ret.abs_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us !=
+      s_after_epoch)
+    ret = GNUNET_TIME_UNIT_FOREVER_ABS;
+  return ret;
+}
+
+
 struct GNUNET_TIME_Absolute
 GNUNET_TIME_absolute_ntoh (struct GNUNET_TIME_AbsoluteNBO a)
 {

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