Print info for users to stderr when socket files are missing

[govpp.git] / api / stats.go

diff --git a/api/stats.go b/api/stats.go
index 9c3a16f..e254eae 100644 (file)
--- a/api/stats.go
+++ b/api/stats.go
@@ -1,3 +1,17 @@
+//  Copyright (c) 2019 Cisco and/or its affiliates.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at:
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
 package api
 
 // SystemStats represents global system statistics.
@@ -68,10 +82,24 @@ type ErrorCounter struct {
        Value       uint64
 }
 
+// BufferStats represents statistics per buffer pool.
+type BufferStats struct {
+       Buffer map[string]BufferPool
+}
+
+// BufferPool represents buffer pool.
+type BufferPool struct {
+       PoolName  string
+       Cached    float64
+       Used      float64
+       Available float64
+}
+
 // StatsProvider provides the methods for getting statistics.
 type StatsProvider interface {
        GetSystemStats() (*SystemStats, error)
        GetNodeStats() (*NodeStats, error)
        GetInterfaceStats() (*InterfaceStats, error)
        GetErrorStats(names ...string) (*ErrorStats, error)
+       GetBufferStats() (*BufferStats, error)
 }