Results: Extraction + Encoding, Decoding

lib/results.go

@@ -0,0 +1,46 @@
+package vegeta
+
+import (
+	"encoding/gob"
+	"io"
+	"sort"
+	"time"
+)
+
+// Result represents the metrics defined out of an http.Response
+// generated by each target hit
+type Result struct {
+	Code      uint16
+	Timestamp time.Time
+	Timing    time.Duration
+	BytesOut  uint64
+	BytesIn   uint64
+	Error     error
+}
+
+// Results is a slice of Result structs with encoding,
+// decoding and sorting behavior attached
+type Results []Result
+
+// WriteTo encodes the results and writes it to an io.Writer
+// returning an error in case of failure
+func (r Results) WriteTo(out io.Writer) error {
+	return gob.NewEncoder(out).Encode(r)
+}
+
+// ReadFrom reads data from an io.Reader and decodes it into a Results struct
+// returning an error in case of failure
+func (r *Results) ReadFrom(in io.Reader) error {
+	return gob.NewDecoder(in).Decode(r)
+}
+
+// Sort sorts Results by Timestamp in ascending order and returns
+// the sorted slice
+func (r Results) Sort() Results {
+	sort.Sort(r)
+	return r
+}
+
+func (r Results) Len() int           { return len(r) }
+func (r Results) Less(i, j int) bool { return r[i].Timestamp.Before(r[j].Timestamp) }
+func (r Results) Swap(i, j int)      { r[i], r[j] = r[j], r[i] }