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authorDave Barach <dave@barachs.net>2018-06-06 10:52:08 -0400
committerFlorin Coras <florin.coras@gmail.com>2018-06-08 23:19:09 +0000
commita98c40305deedc58860722fb9710075028c8b9f8 (patch)
tree4485e999df9e2e8113395f7d3843d664c387fc01 /src/vppinfra/test_time_range.c
parentf12dad658d03030d1a61ba970e27c8f01763f2e0 (diff)
Time range support for vppinfra
Change-Id: I2356b1e05fd868b46b4d26ade760900a5739ca4d Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vppinfra/test_time_range.c')
-rw-r--r--src/vppinfra/test_time_range.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/vppinfra/test_time_range.c b/src/vppinfra/test_time_range.c
new file mode 100644
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+++ b/src/vppinfra/test_time_range.c
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+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vppinfra/time_range.h>
+
+static int
+test_time_range_main (unformat_input_t * input)
+{
+ clib_timebase_t _tb, *tb = &_tb;
+ clib_timebase_component_t _c, *cp = &_c;
+ clib_timebase_range_t *rp = 0;
+ clib_timebase_range_t *this_rp;
+ unformat_input_t _input2, *input2 = &_input2;
+ char *test_range_string;
+ f64 sunday_midnight;
+ f64 now, then;
+ f64 start_time, end_time;
+ f64 timezone_offset;
+
+ /* Init time base */
+ clib_timebase_init (tb, -5 /* EST */ , CLIB_TIMEBASE_DAYLIGHT_USA);
+
+ /* Set up summer time cache */
+ now = clib_timebase_now (tb);
+
+ /* Test it */
+ now = clib_timebase_now (tb);
+
+ /* show current time */
+ fformat (stdout, "Current time in UTC%f, US daylight time rules:\n",
+ tb->timezone_offset / 3600.0);
+ fformat (stdout, "%U", format_clib_timebase_time, now);
+
+ /* Test conversion to component structure */
+ clib_timebase_time_to_components (now, cp);
+ now = clib_timebase_components_to_time (cp);
+ fformat (stdout, " -> %U\n", format_clib_timebase_time, now);
+
+ /*
+ * test a few other dates, to verify summer time operation
+ * 2011: started sunday 3/13, ended sunday 11/6
+ */
+
+ fformat (stdout, "Test daylight time rules:\n");
+
+ memset (cp, 0, sizeof (*cp));
+
+ /* Just before DST starts */
+ cp->year = 2011;
+ cp->month = 2;
+ cp->day = 13;
+ cp->hour = 1;
+ cp->minute = 59;
+ cp->second = 59;
+ then = clib_timebase_components_to_time (cp);
+
+ timezone_offset = clib_timebase_summer_offset_fastpath (tb, then);
+
+ fformat (stdout, "%U should not be in DST, and it %s\n",
+ format_clib_timebase_time, then,
+ (timezone_offset != 0.0) ? "is" : "is not");
+
+ /* add two seconds */
+
+ then += 2.0;
+
+ timezone_offset = clib_timebase_summer_offset_fastpath (tb, then);
+
+ fformat (stdout, "%U should be in DST, and it %s\n",
+ format_clib_timebase_time, then,
+ (timezone_offset != 0.0) ? "is" : "is not");
+
+ /* Just before DST ends */
+ cp->year = 2011;
+ cp->month = 10;
+ cp->day = 6;
+ cp->hour = 1;
+ cp->minute = 59;
+ cp->second = 59;
+ then = clib_timebase_components_to_time (cp);
+
+ timezone_offset = clib_timebase_summer_offset_fastpath (tb, then);
+
+ fformat (stdout, "%U should be in DST, and it %s\n",
+ format_clib_timebase_time, then,
+ (timezone_offset != 0.0) ? "is" : "is not");
+
+ /* add two seconds. */
+
+ then += 2.0;
+
+ timezone_offset = clib_timebase_summer_offset_fastpath (tb, then);
+
+ fformat (stdout, "%U should not be in DST, and it %s\n",
+ format_clib_timebase_time, then,
+ (timezone_offset != 0.0) ? "is" : "is not");
+
+ /* Back to the future... */
+ clib_timebase_time_to_components (now, cp);
+
+ fformat (stdout, "Test time range calculations:\n");
+
+ /* Find previous Sunday midnight */
+ sunday_midnight = now = clib_timebase_find_sunday_midnight (now);
+
+ clib_timebase_time_to_components (now, cp);
+
+ fformat (stdout, "Sunday midnight: %U\n", format_clib_timebase_time, now);
+
+ test_range_string = "Mon 11 - 17 Tue 7 - 11 Wed - Fri 8 - 18";
+
+ unformat_init_string (input2, test_range_string,
+ strlen (test_range_string));
+
+ if (unformat (input2, "%U", unformat_clib_timebase_range_vector, &rp))
+ {
+ vec_foreach (this_rp, rp)
+ {
+ start_time = sunday_midnight + this_rp->start;
+ end_time = sunday_midnight + this_rp->end;
+ fformat (stdout, "range: %U - %U\n",
+ format_clib_timebase_time, start_time,
+ format_clib_timebase_time, end_time);
+ }
+ vec_free (rp);
+ }
+ else
+ {
+ fformat (stdout, "Time convert fail!\n");
+ }
+
+ unformat_free (input2);
+
+ return 0;
+}
+
+/*
+ * GDB callable function: vl - Return vector length of vector
+ */
+u32
+vl (void *p)
+{
+ return vec_len (p);
+}
+
+#ifdef CLIB_UNIX
+int
+main (int argc, char *argv[])
+{
+ unformat_input_t i;
+ int ret;
+
+ unformat_init_command_line (&i, argv);
+ ret = test_time_range_main (&i);
+ unformat_free (&i);
+
+ return ret;
+}
+#endif /* CLIB_UNIX */
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */