[#276] Merge repo with frostfs-api-go

Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

api/status/types.go

@@ -0,0 +1,124 @@
+package status
+
+// Detail represents structure of NeoFS API V2-compatible status detail message.
+type Detail struct {
+	id uint32
+
+	val []byte
+}
+
+// ID returns identifier of the Detail.
+func (x *Detail) ID() uint32 {
+	if x != nil {
+		return x.id
+	}
+
+	return 0
+}
+
+// SetID sets identifier of the Detail.
+func (x *Detail) SetID(id uint32) {
+	x.id = id
+}
+
+// Value returns value of the Detail.
+func (x *Detail) Value() []byte {
+	if x != nil {
+		return x.val
+	}
+
+	return nil
+}
+
+// SetValue sets value of the Detail.
+func (x *Detail) SetValue(val []byte) {
+	x.val = val
+}
+
+// Code represents NeoFS API V2-compatible status code.
+type Code uint32
+
+// EqualNumber checks if the numerical Code equals num.
+func (x Code) EqualNumber(num uint32) bool {
+	return uint32(x) == num
+}
+
+// Status represents structure of NeoFS API V2-compatible status return message.
+type Status struct {
+	code Code
+
+	msg string
+
+	details []Detail
+}
+
+// Code returns code of the Status.
+func (x *Status) Code() Code {
+	if x != nil {
+		return x.code
+	}
+
+	return 0
+}
+
+// SetCode sets code of the Status.
+func (x *Status) SetCode(code Code) {
+	x.code = code
+}
+
+// Message sets message of the Status.
+func (x *Status) Message() string {
+	if x != nil {
+		return x.msg
+	}
+
+	return ""
+}
+
+// SetMessage sets message of the Status.
+func (x *Status) SetMessage(msg string) {
+	x.msg = msg
+}
+
+// NumberOfParameters returns number of network parameters.
+func (x *Status) NumberOfDetails() int {
+	if x != nil {
+		return len(x.details)
+	}
+
+	return 0
+}
+
+// IterateDetails iterates over details of the Status.
+// Breaks iteration on f's true return.
+//
+// Handler must not be nil.
+func (x *Status) IterateDetails(f func(*Detail) bool) {
+	if x != nil {
+		for i := range x.details {
+			if f(&x.details[i]) {
+				break
+			}
+		}
+	}
+}
+
+// ResetDetails empties the detail list.
+func (x *Status) ResetDetails() {
+	if x != nil {
+		x.details = x.details[:0]
+	}
+}
+
+// AppendDetails appends the list of details to the Status.
+func (x *Status) AppendDetails(ds ...Detail) {
+	if x != nil {
+		x.details = append(x.details, ds...)
+	}
+}
+
+// SetStatusDetails sets Detail list of the Status.
+func SetStatusDetails(dst *Status, ds []Detail) {
+	dst.ResetDetails()
+	dst.AppendDetails(ds...)
+}