From: Martin Mares <mj@ucw.cz>
Date: Tue, 27 Dec 2011 18:28:52 +0000 (+0100)
Subject: RRD now keeps also 1-hour minima and maxima
X-Git-Tag: v1.0~3
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=354d5d16749203f37a51631244ea416597b3e51c;p=arexx.git

RRD now keeps also 1-hour minima and maxima
---

diff --git a/arexxd.c b/arexxd.c
index 68e08d3..faedc5e 100644
--- a/arexxd.c
+++ b/arexxd.c
@@ -112,7 +112,7 @@ static void arg_push(const char *fmt, ...)
 	arg_pos += len;
 }
 
-static void rrd_point(time_t t, int id, double val)
+static void rrd_point(time_t t, int id, double val, char *unit)
 {
 	char rr_name[256];
 	snprintf(rr_name, sizeof(rr_name), "sensor-%d.rrd", id);
@@ -127,9 +127,16 @@ static void rrd_point(time_t t, int id, double val)
 		arg_push("%d", (int) time(NULL) - 28*86400);
 		arg_push("--step");
 		arg_push("60");
-		arg_push("DS:temp:GAUGE:300:0:10000");		// Anything over 10 kW is considered a ghost
+		if (!strcmp(unit, "%RH"))
+			arg_push("DS:rh:GAUGE:300:0:100");
+		else if (!strcmp(unit, "ppm"))
+			arg_push("DS:ppm:GAUGE:300:0:1000000");
+		else
+			arg_push("DS:temp:GAUGE:300:-200:200");
 		arg_push("RRA:AVERAGE:0.25:1:20160");		// Last 14 days with full resolution
 		arg_push("RRA:AVERAGE:0.25:60:88800");		// Last 10 years with 1h resolution
+		arg_push("RRA:MIN:0.25:60:88800");		// including minima and maxima
+		arg_push("RRA:MAX:0.25:60:88800");
 		rrd_create(arg_cnt, arg_ptr);
 		if (rrd_test_error()) {
 			log_error("rrd_create on %s failed: %s", rr_name, rrd_get_error());
@@ -162,7 +169,7 @@ static void cooked_point(time_t t, int id, double val, char *unit, int q)
 	}
 
 	data_point_counter++;
-	rrd_point(t, id, val);
+	rrd_point(t, id, val, unit);
 }
 
 static void raw_point(int t, int id, int raw, int q)