[#74] apemanager: Generate protobufs for apemanager service

* Generate protobufs.
* Make marshallers, unmarshallers, json-encoders etc.
* Create message encoding/decoding unit-tests.

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

apemanager/types.go

@@ -0,0 +1,244 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
+)
+
+type TargetType uint32
+
+const (
+	TargetTypeUndefined TargetType = iota
+	TargetTypeNamespace
+	TargetTypeContainer
+	TargetTypeUser
+	TargetTypeGroup
+)
+
+type ChainTarget struct {
+	targeType TargetType
+
+	name string
+}
+
+func (ct *ChainTarget) SetTargetType(targeType TargetType) {
+	ct.targeType = targeType
+}
+
+func (ct *ChainTarget) SetName(name string) {
+	ct.name = name
+}
+
+func (ct *ChainTarget) GetTargetType() TargetType {
+	if ct != nil {
+		return ct.targeType
+	}
+
+	return 0
+}
+
+func (ct *ChainTarget) GetName() string {
+	if ct != nil {
+		return ct.name
+	}
+
+	return ""
+}
+
+type AddChainRequest struct {
+	body *AddChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *AddChainRequest) SetBody(body *AddChainRequestBody) {
+	r.body = body
+}
+
+func (r *AddChainRequest) GetBody() *AddChainRequestBody {
+	return r.body
+}
+
+type chainKind interface {
+	isChainKind()
+}
+
+type Chain struct {
+	kind chainKind
+}
+
+func (c *Chain) SetKind(kind chainKind) {
+	c.kind = kind
+}
+
+func (c *Chain) GetKind() chainKind {
+	return c.kind
+}
+
+type ChainRaw struct {
+	Raw []byte
+}
+
+func (*ChainRaw) isChainKind() {}
+
+func (c *ChainRaw) SetRaw(raw []byte) {
+	c.Raw = raw
+}
+
+func (c *ChainRaw) GetRaw() []byte {
+	return c.Raw
+}
+
+type AddChainRequestBody struct {
+	target *ChainTarget
+
+	chain *Chain
+}
+
+func (rb *AddChainRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *AddChainRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+func (rb *AddChainRequestBody) SetChain(chain *Chain) {
+	rb.chain = chain
+}
+
+func (rb *AddChainRequestBody) GetChain() *Chain {
+	return rb.chain
+}
+
+type AddChainResponse struct {
+	body *AddChainResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *AddChainResponse) SetBody(body *AddChainResponseBody) {
+	r.body = body
+}
+
+func (r *AddChainResponse) GetBody() *AddChainResponseBody {
+	return r.body
+}
+
+type AddChainResponseBody struct {
+	chainID []byte
+}
+
+func (rb *AddChainResponseBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *AddChainResponseBody) GetChainID() []byte {
+	return rb.chainID
+}
+
+type RemoveChainRequest struct {
+	body *RemoveChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *RemoveChainRequest) SetBody(body *RemoveChainRequestBody) {
+	r.body = body
+}
+
+func (r *RemoveChainRequest) GetBody() *RemoveChainRequestBody {
+	return r.body
+}
+
+type RemoveChainRequestBody struct {
+	target *ChainTarget
+
+	chainID []byte
+}
+
+func (rb *RemoveChainRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *RemoveChainRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+func (rb *RemoveChainRequestBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *RemoveChainRequestBody) GetChainID() []byte {
+	return rb.chainID
+}
+
+type RemoveChainResponse struct {
+	body *RemoveChainResponseBody
+
+	session.ResponseHeaders
+}
+
+type RemoveChainResponseBody struct {
+}
+
+func (r *RemoveChainResponse) SetBody(body *RemoveChainResponseBody) {
+	r.body = body
+}
+
+func (r *RemoveChainResponse) GetBody() *RemoveChainResponseBody {
+	return r.body
+}
+
+type ListChainsRequest struct {
+	body *ListChainsRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsRequest) SetBody(body *ListChainsRequestBody) {
+	r.body = body
+}
+
+func (r *ListChainsRequest) GetBody() *ListChainsRequestBody {
+	return r.body
+}
+
+type ListChainsRequestBody struct {
+	target *ChainTarget
+}
+
+func (rb *ListChainsRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *ListChainsRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+type ListChainsResponse struct {
+	body *ListChainsResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *ListChainsResponse) SetBody(body *ListChainsResponseBody) {
+	r.body = body
+}
+
+func (r *ListChainsResponse) GetBody() *ListChainsResponseBody {
+	return r.body
+}
+
+type ListChainsResponseBody struct {
+	chains []*Chain
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsResponseBody) SetChains(chains []*Chain) {
+	r.chains = chains
+}
+
+func (r *ListChainsResponseBody) GetChains() []*Chain {
+	return r.chains
+}