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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
// StatsProvider provides methods for retrieving statistics.
type StatsProvider interface {
GetSystemStats(*SystemStats) error
GetNodeStats(*NodeStats) error
GetInterfaceStats(*InterfaceStats) error
GetErrorStats(*ErrorStats) error
GetBufferStats(*BufferStats) error
}
// SystemStats represents global system statistics.
type SystemStats struct {
VectorRate uint64
NumWorkerThreads uint64
VectorRatePerWorker []uint64
InputRate uint64
LastUpdate uint64
LastStatsClear uint64
Heartbeat uint64
}
// 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+
Rx InterfaceCounterCombined
Tx InterfaceCounterCombined
RxErrors uint64
TxErrors uint64
RxUnicast InterfaceCounterCombined
RxMulticast InterfaceCounterCombined
RxBroadcast InterfaceCounterCombined
TxUnicast InterfaceCounterCombined
TxMulticast InterfaceCounterCombined
TxBroadcast InterfaceCounterCombined
Drops uint64
Punts uint64
IP4 uint64
IP6 uint64
RxNoBuf uint64
RxMiss uint64
Mpls uint64
}
// InterfaceCounterCombined defines combined counters for interfaces.
type InterfaceCounterCombined struct {
Packets uint64
Bytes 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
}
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