Fix file input replay speed

Author: buger

Makefile

@@ -44,7 +44,7 @@ drun:
 	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-dummy=0 --output-http="http://localhost:9000" --input-raw :9000 --input-http :9000 --verbose --debug --middleware "./examples/middleware/echo.sh"
 
 drun-2:
-	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-http :9001 --output-dummy=0
+	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-file ./fixtures/requests.gor --output-dummy=0
 
 drecord:
 	docker run -v `pwd`:$(SOURCE_PATH) -t -i gor go run $(SOURCE) --input-dummy=0 --output-file=requests.gor --verbose --debug

input_file.go

@@ -61,15 +61,18 @@ func (i *FileInput) emit() {
 		buf := scanner.Bytes()
 		meta := payloadMeta(buf)
 
-		if meta[0][0] == RequestPayload && lastTime != 0 {
+		if meta[0][0] == RequestPayload {
 			ts, _ := strconv.ParseInt(string(meta[2]), 10, 64)
-			timeDiff := ts - lastTime
 
-			if i.speedFactor != 1 {
-				timeDiff = int64(float64(timeDiff) / i.speedFactor)
-			}
+			if lastTime != 0 {
+				timeDiff := ts - lastTime
+
+				if i.speedFactor != 1 {
+					timeDiff = int64(float64(timeDiff) / i.speedFactor)
+				}
 
-			time.Sleep(time.Duration(timeDiff))
+				time.Sleep(time.Duration(timeDiff))
+			}
 
 			lastTime = ts
 		}