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// 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.
type SystemStats struct {
VectorRate float64
InputRate float64
LastUpdate float64
LastStatsClear float64
Heartbeat float64
}
// NodeStats represents per node statistics.
type NodeStats struct {
Nodes []NodeCounters
}
// NodeCounters represents node counters.
type NodeCounters struct {
NodeIndex uint32
NodeName string // requires VPP 19.04+
Clocks uint64
Vectors uint64
Calls uint64
Suspends uint64
}
// InterfaceStats represents per interface statistics.
type InterfaceStats struct {
Interfaces []InterfaceCounters
}
// InterfaceCounters represents interface counters.
type InterfaceCounters struct {
InterfaceIndex uint32
InterfaceName string // requires VPP 19.04+
RxPackets uint64
RxBytes uint64
RxErrors uint64
TxPackets uint64
TxBytes uint64
TxErrors uint64
RxUnicast [2]uint64 // packets[0], bytes[1]
RxMulticast [2]uint64 // packets[0], bytes[1]
RxBroadcast [2]uint64 // packets[0], bytes[1]
TxUnicastMiss [2]uint64 // packets[0], bytes[1]
TxMulticast [2]uint64 // packets[0], bytes[1]
TxBroadcast [2]uint64 // packets[0], bytes[1]
Drops uint64
Punts uint64
IP4 uint64
IP6 uint64
RxNoBuf uint64
RxMiss uint64
}
// ErrorStats represents statistics per error counter.
type ErrorStats struct {
Errors []ErrorCounter
}
// ErrorCounter represents error counter.
type ErrorCounter struct {
CounterName string
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)
}
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