Added ReadOptions; Changed proto; Reimplemented Log(er)

debug/log/options.go

@@ -1,5 +1,7 @@
 package log
 
+import "time"
+
 // Option used by the logger
 type Option func(*Options)
 
@@ -22,3 +24,28 @@ func DefaultOptions() Options {
 		Size: DefaultSize,
 	}
 }
+
+// ReadOptions for querying the logs
+type ReadOptions struct {
+	// Since what time in past to return the logs
+	Since time.Time
+	// Count specifies number of logs to return
+	Count int
+}
+
+// ReadOption used for reading the logs
+type ReadOption func(*ReadOptions)
+
+// Since sets the time since which to return the log records
+func Since(s time.Time) ReadOption {
+	return func(o *ReadOptions) {
+		o.Since = s
+	}
+}
+
+// Count sets the number of log records to return
+func Count(c int) ReadOption {
+	return func(o *ReadOptions) {
+		o.Count = c
+	}
+}