diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/analyze/analyze-calendar.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/analyze/analyze-calendar.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/analyze/analyze-calendar.c b/src/analyze/analyze-calendar.c new file mode 100644 index 0000000..952fe95 --- /dev/null +++ b/src/analyze/analyze-calendar.c @@ -0,0 +1,146 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "analyze.h" +#include "analyze-calendar.h" +#include "calendarspec.h" +#include "format-table.h" +#include "terminal-util.h" + +static int test_calendar_one(usec_t n, const char *p) { + _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL; + _cleanup_(table_unrefp) Table *table = NULL; + _cleanup_free_ char *t = NULL; + TableCell *cell; + int r; + + r = calendar_spec_from_string(p, &spec); + if (r < 0) { + log_error_errno(r, "Failed to parse calendar specification '%s': %m", p); + time_parsing_hint(p, /* calendar= */ false, /* timestamp= */ true, /* timespan= */ true); + return r; + } + + r = calendar_spec_to_string(spec, &t); + if (r < 0) + return log_error_errno(r, "Failed to format calendar specification '%s': %m", p); + + table = table_new("name", "value"); + if (!table) + return log_oom(); + + table_set_header(table, false); + + assert_se(cell = table_get_cell(table, 0, 0)); + r = table_set_ellipsize_percent(table, cell, 100); + if (r < 0) + return r; + + r = table_set_align_percent(table, cell, 100); + if (r < 0) + return r; + + assert_se(cell = table_get_cell(table, 0, 1)); + r = table_set_ellipsize_percent(table, cell, 100); + if (r < 0) + return r; + + if (!streq(t, p)) { + r = table_add_many(table, + TABLE_STRING, "Original form:", + TABLE_STRING, p); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_STRING, "Normalized form:", + TABLE_STRING, t); + if (r < 0) + return table_log_add_error(r); + + for (unsigned i = 0; i < arg_iterations; i++) { + usec_t next; + + r = calendar_spec_next_usec(spec, n, &next); + if (r == -ENOENT) { + if (i == 0) { + r = table_add_many(table, + TABLE_STRING, "Next elapse:", + TABLE_STRING, "never", + TABLE_SET_COLOR, ansi_highlight_yellow()); + if (r < 0) + return table_log_add_error(r); + } + break; + } + if (r < 0) + return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p); + + if (i == 0) { + r = table_add_many(table, + TABLE_STRING, "Next elapse:", + TABLE_TIMESTAMP, next, + TABLE_SET_COLOR, ansi_highlight_blue()); + if (r < 0) + return table_log_add_error(r); + } else { + int k = DECIMAL_STR_WIDTH(i + 1); + + if (k < 8) + k = 8 - k; + else + k = 0; + + r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1); + if (r < 0) + return table_log_add_error(r); + + r = table_add_many(table, + TABLE_TIMESTAMP, next, + TABLE_SET_COLOR, ansi_highlight_blue()); + if (r < 0) + return table_log_add_error(r); + } + + if (!in_utc_timezone()) { + r = table_add_many(table, + TABLE_STRING, "(in UTC):", + TABLE_TIMESTAMP_UTC, next); + if (r < 0) + return table_log_add_error(r); + } + + r = table_add_many(table, + TABLE_STRING, "From now:", + TABLE_TIMESTAMP_RELATIVE, next); + if (r < 0) + return table_log_add_error(r); + + n = next; + } + + return table_print(table, NULL); +} + +int verb_calendar(int argc, char *argv[], void *userdata) { + int r = 0; + usec_t n; + + if (arg_base_time != USEC_INFINITY) + n = arg_base_time; + else + n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */ + + STRV_FOREACH(p, strv_skip(argv, 1)) { + int k; + + k = test_calendar_one(n, *p); + if (r == 0 && k < 0) + r = k; + + if (p[1]) + putchar('\n'); + } + + return r; +} |