From: Nathanael P Wilson <Nathanael.P.Wilson@aexp.com>
Date: Thu, 1 Sep 2022 23:21:45 +0000 (-0700)
Subject: Add epoch type to start and end times
X-Git-Tag: v12.7.2~14^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=45c2383dac3b0738c9f0409c7d2fc2b1e7192cce;p=sysstat

Add epoch type to start and end times
---

diff --git a/sa.h b/sa.h
index 4c21283..a301b75 100644
--- a/sa.h
+++ b/sa.h
@@ -1358,6 +1358,8 @@ struct tstamp {
 	int tm_min;
 	int tm_hour;
 	int use;
+	int use_epoch;
+	time_t epoch;
 };
 
 /* Structure for items in list */
diff --git a/sa_common.c b/sa_common.c
index 3525100..4de72b5 100644
--- a/sa_common.c
+++ b/sa_common.c
@@ -643,6 +643,35 @@ int decode_timestamp(char timestamp[], struct tstamp *tse)
 	return 0;
 }
 
+/*
+ ***************************************************************************
+ * Use time stamp to fill tstamp structure.
+ *
+ * IN:
+ * @timestamp	Timestamp to decode (format: seconds since Januray 1st 1970 00:00:00 UTC).
+ *
+ * OUT:
+ * @tse		Structure containing the decoded timestamp.
+ *
+ * RETURNS:
+ * 0
+ ***************************************************************************
+ */
+int decode_epoch(char timestamp[], struct tstamp *tse)
+{
+	time_t epoch_time = atol(timestamp);
+	tse->epoch = epoch_time;
+	tse->use_epoch = TRUE;
+
+	struct tm *given_time = localtime(&epoch_time);
+	tse->tm_sec  = given_time->tm_sec;
+	tse->tm_min  = given_time->tm_min;
+	tse->tm_hour = given_time->tm_hour;
+	tse->use = TRUE;
+
+	return 0;
+}
+
 /*
  ***************************************************************************
  * Compare two timestamps.
@@ -699,7 +728,7 @@ int datecmp(struct tm *rectime, struct tstamp *tse, int cross_day)
 int parse_timestamp(char *argv[], int *opt, struct tstamp *tse,
 		    const char *def_timestamp)
 {
-	char timestamp[9];
+	char timestamp[11];
 
 	if (argv[++(*opt)]) {
 		switch (strlen(argv[*opt])) {
@@ -714,6 +743,12 @@ int parse_timestamp(char *argv[], int *opt, struct tstamp *tse,
 				strncpy(timestamp, argv[(*opt)++], 8);
 				break;
 
+			case 10:
+				strncpy(timestamp, argv[(*opt)++], 10);
+				timestamp[10] = '\0';
+				return decode_epoch(timestamp, tse);
+				break;
+
 			default:
 				strncpy(timestamp, def_timestamp, 8);
 				break;