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trace.go
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trace.go
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//
// MinIO Object Storage (c) 2021 MinIO, Inc.
//
// 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 madmin
import (
"math/bits"
"net/http"
"time"
)
//go:generate stringer -type=TraceType -trimprefix=Trace $GOFILE
// TraceType indicates the type of the tracing Info
type TraceType uint64
const (
// TraceOS tracing (Golang os package calls)
TraceOS TraceType = 1 << iota
// TraceStorage tracing (MinIO Storage Layer)
TraceStorage
// TraceS3 provides tracing of S3 API calls
TraceS3
// TraceInternal tracing internal (.minio.sys/...) HTTP calls
TraceInternal
// TraceScanner will trace scan operations.
TraceScanner
// TraceDecommission will trace decommission operations.
TraceDecommission
// TraceHealing will trace healing operations.
TraceHealing
// TraceBatchReplication will trace batch replication operations.
TraceBatchReplication
// TraceRebalance will trace rebalance operations
TraceRebalance
// TraceReplicationResync will trace replication resync operations.
TraceReplicationResync
// Add more here...
// TraceAll contains all valid trace modes.
// This *must* be the last entry.
TraceAll TraceType = (1 << iota) - 1
)
// Contains returns whether all flags in other is present in t.
func (t TraceType) Contains(other TraceType) bool {
return t&other == other
}
// Overlaps returns whether any flags in t overlaps with other.
func (t TraceType) Overlaps(other TraceType) bool {
return t&other != 0
}
// SingleType returns whether t has a single type set.
func (t TraceType) SingleType() bool {
// Include
return bits.OnesCount64(uint64(t)) == 1
}
// Merge will merge other into t.
func (t *TraceType) Merge(other TraceType) {
*t = *t | other
}
// SetIf will add other if b is true.
func (t *TraceType) SetIf(b bool, other TraceType) {
if b {
*t = *t | other
}
}
// Mask returns the trace type as uint32.
func (t TraceType) Mask() uint64 {
return uint64(t)
}
// TraceInfo - represents a trace record, additionally
// also reports errors if any while listening on trace.
type TraceInfo struct {
TraceType TraceType `json:"type"`
NodeName string `json:"nodename"`
FuncName string `json:"funcname"`
Time time.Time `json:"time"`
Path string `json:"path"`
Duration time.Duration `json:"dur"`
Message string `json:"msg,omitempty"`
Error string `json:"error,omitempty"`
HTTP *TraceHTTPStats `json:"http,omitempty"`
HealResult *HealResultItem `json:"healResult,omitempty"`
}
// Mask returns the trace type as uint32.
func (t TraceInfo) Mask() uint64 {
return t.TraceType.Mask()
}
// traceInfoLegacy - represents a trace record, additionally
// also reports errors if any while listening on trace.
// For minio versions before July 2022.
type traceInfoLegacy struct {
TraceInfo
ReqInfo *TraceRequestInfo `json:"request"`
RespInfo *TraceResponseInfo `json:"response"`
CallStats *TraceCallStats `json:"stats"`
StorageStats *struct {
Path string `json:"path"`
Duration time.Duration `json:"duration"`
} `json:"storageStats"`
OSStats *struct {
Path string `json:"path"`
Duration time.Duration `json:"duration"`
} `json:"osStats"`
}
type TraceHTTPStats struct {
ReqInfo TraceRequestInfo `json:"request"`
RespInfo TraceResponseInfo `json:"response"`
CallStats TraceCallStats `json:"stats"`
}
// TraceCallStats records request stats
type TraceCallStats struct {
InputBytes int `json:"inputbytes"`
OutputBytes int `json:"outputbytes"`
// Deprecated: Use TraceInfo.Duration (June 2022)
Latency time.Duration `json:"latency"`
TimeToFirstByte time.Duration `json:"timetofirstbyte"`
}
// TraceRequestInfo represents trace of http request
type TraceRequestInfo struct {
Time time.Time `json:"time"`
Proto string `json:"proto"`
Method string `json:"method"`
Path string `json:"path,omitempty"`
RawQuery string `json:"rawquery,omitempty"`
Headers http.Header `json:"headers,omitempty"`
Body []byte `json:"body,omitempty"`
Client string `json:"client"`
}
// TraceResponseInfo represents trace of http request
type TraceResponseInfo struct {
Time time.Time `json:"time"`
Headers http.Header `json:"headers,omitempty"`
Body []byte `json:"body,omitempty"`
StatusCode int `json:"statuscode,omitempty"`
}