From 28777911fbc881156aaae1c60fc478cb436ba3c3 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Thu, 14 Jan 2021 19:06:49 +0300
Subject: [PATCH] [#311] services/control: Define NetmapSnapshot rpc

Add NetmapSnapshot rpc to ControlService protobuf definition. Recompile
proto files. Add required method to server structure.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 .../control/server/netmap_snapshot.go         |  12 ++++++
 pkg/services/control/service.go               |  35 ++++++++++++++++++
 pkg/services/control/service.pb.go            | Bin 26570 -> 47957 bytes
 pkg/services/control/service.proto            |  31 ++++++++++++++++
 4 files changed, 78 insertions(+)
 create mode 100644 pkg/services/control/server/netmap_snapshot.go

diff --git a/pkg/services/control/server/netmap_snapshot.go b/pkg/services/control/server/netmap_snapshot.go
new file mode 100644
index 000000000..6643da14a
--- /dev/null
+++ b/pkg/services/control/server/netmap_snapshot.go
@@ -0,0 +1,12 @@
+package control
+
+import (
+	"context"
+
+	"github.com/nspcc-dev/neofs-node/pkg/services/control"
+)
+
+// NetmapSnapshot reads network map snapshot from Netmap storage.
+func (s *Server) NetmapSnapshot(ctx context.Context, req *control.NetmapSnapshotRequest) (*control.NetmapSnapshotResponse, error) {
+	panic("implement me")
+}
diff --git a/pkg/services/control/service.go b/pkg/services/control/service.go
index 874acfe48..4cde4be0d 100644
--- a/pkg/services/control/service.go
+++ b/pkg/services/control/service.go
@@ -58,3 +58,38 @@ func (m *HealthCheckResponse) ReadSignedData(buf []byte) ([]byte, error) {
 func (m *HealthCheckResponse) SignedDataSize() int {
 	return m.GetBody().Size()
 }
+
+// SetBody sets get netmap snapshot request body.
+func (m *NetmapSnapshotRequest) SetBody(v *NetmapSnapshotRequest_Body) {
+	if m != nil {
+		m.Body = v
+	}
+}
+
+// SetSignature sets signature of the netmap snapshot request body.
+func (m *NetmapSnapshotRequest) SetSignature(body *Signature) {
+	if m != nil {
+		m.Signature = body
+	}
+}
+
+// SetNetmap sets structure of the current network map.
+func (m *NetmapSnapshotResponse_Body) SetNetmap(v *Netmap) {
+	if m != nil {
+		m.Netmap = v
+	}
+}
+
+// SetBody sets get netmap snapshot response body.
+func (m *NetmapSnapshotResponse) SetBody(v *NetmapSnapshotResponse_Body) {
+	if m != nil {
+		m.Body = v
+	}
+}
+
+// SetSignature sets signature of the get netmap snapshot response body.
+func (m *NetmapSnapshotResponse) SetSignature(v *Signature) {
+	if m != nil {
+		m.Signature = v
+	}
+}
diff --git a/pkg/services/control/service.pb.go b/pkg/services/control/service.pb.go
index f5810bea928db0c8f84c3d4358f8e708a8165ab8..2186fc1e31dba4c106234a1f96794ec90ceacebf 100644
GIT binary patch
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diff --git a/pkg/services/control/service.proto b/pkg/services/control/service.proto
index 74e4aa381..39c508cb7 100644
--- a/pkg/services/control/service.proto
+++ b/pkg/services/control/service.proto
@@ -10,6 +10,9 @@ option go_package = "github.com/nspcc-dev/neofs-node/pkg/services/control";
 service ControlService {
     // Performs health check of the storage node.
     rpc HealthCheck (HealthCheckRequest) returns (HealthCheckResponse);
+
+    // Returns network map snapshot of the current NeoFS epoch.
+    rpc NetmapSnapshot (NetmapSnapshotRequest) returns (NetmapSnapshotResponse);
 }
 
 // Health check request.
@@ -39,3 +42,31 @@ message HealthCheckResponse {
     // Body signature.
     Signature signature = 2;
 }
+
+// Get netmap snapshot request.
+message NetmapSnapshotRequest {
+    // Get netmap snapshot request body.
+    message Body {
+    }
+
+    // Body of get netmap snapshot request message.
+    Body body = 1;
+
+    // Body signature.
+    Signature signature = 2;
+}
+
+// Get netmap snapshot request.
+message NetmapSnapshotResponse {
+    // Get netmap snapshot response body
+    message Body {
+        // Structure of the requested network map.
+        Netmap netmap = 1 [json_name = "netmap"];
+    }
+
+    // Body of get netmap snapshot response message.
+    Body body = 1;
+
+    // Body signature.
+    Signature signature = 2;
+}