X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=sysdb%2Fstore.go;h=73fe0b530c73cdf5d194c2d7de0dc8b8ecf5c8de;hb=948da971a7ef9e3a075aa7b56cedb1d99c73e98b;hp=4a71428386aaea69bee4d7a7c834a2ca5484ea86;hpb=37f82acfc6dfc00b16b6886cf533efe6a18fb001;p=sysdb%2Fgo.git

diff --git a/sysdb/store.go b/sysdb/store.go
index 4a71428..73fe0b5 100644
--- a/sysdb/store.go
+++ b/sysdb/store.go
@@ -40,6 +40,9 @@ const jsonTime = `"2006-01-02 15:04:05 -0700"`
 // sequence of decimal numbers with a unit suffix).
 type Duration time.Duration
 
+// Common durations. All values greater than or equal to a day are not exact
+// values but subject to daylight savings time changes, leap years, etc. They
+// are available mostly for providing human readable display formats.
 const (
 	Second = Duration(1000000000)
 	Minute = 60 * Second
@@ -49,8 +52,8 @@ const (
 	Year   = Duration(3652425 * 24 * 60 * 60 * 100000)
 )
 
-// MarshalJSON implements the json.Marshaler interface. The time is a quoted
-// string in the SysDB JSON format.
+// MarshalJSON implements the json.Marshaler interface. The duration is a
+// quoted string in the SysDB JSON format.
 func (d Duration) MarshalJSON() ([]byte, error) {
 	if d == 0 {
 		return []byte(`"0s"`), nil
@@ -177,6 +180,8 @@ func (d Duration) String() string { return time.Duration(d).String() }
 // (YYYY-MM-DD hh:mm:ss +-zzzz).
 type Time time.Time
 
+// MarshalJSON implements the json.Marshaler interface. The time is a quoted
+// string in the SysDB JSON format.
 func (t Time) MarshalJSON() ([]byte, error) {
 	return []byte(time.Time(t).Format(jsonTime)), nil
 }
@@ -211,6 +216,7 @@ type Attribute struct {
 // A Metric describes a metric known to SysDB.
 type Metric struct {
 	Name           string      `json:"name"`
+	Timeseries     bool        `json:"timeseries"`
 	LastUpdate     Time        `json:"last_update"`
 	UpdateInterval Duration    `json:"update_interval"`
 	Backends       []string    `json:"backends"`
@@ -240,7 +246,7 @@ type Host struct {
 // A DataPoint describes a datum at a certain point of time.
 type DataPoint struct {
 	Timestamp Time    `json:"timestamp"`
-	Value     float64 `json:"value"`
+	Value     float64 `json:"value,string"`
 }
 
 // A Timeseries describes a sequence of data-points.