ceph-csi/vendor/google.golang.org/grpc/trace.go
dependabot[bot] b8ab1c8bd8 rebase: bump google.golang.org/grpc from 1.61.1 to 1.62.0
Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.61.1 to 1.62.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.61.1...v1.62.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2024-03-06 13:51:38 +00:00

144 lines
3.4 KiB
Go

/*
*
* Copyright 2015 gRPC authors.
*
* 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 grpc
import (
"bytes"
"fmt"
"io"
"net"
"strings"
"sync"
"time"
)
// EnableTracing controls whether to trace RPCs using the golang.org/x/net/trace package.
// This should only be set before any RPCs are sent or received by this program.
var EnableTracing bool
// methodFamily returns the trace family for the given method.
// It turns "/pkg.Service/GetFoo" into "pkg.Service".
func methodFamily(m string) string {
m = strings.TrimPrefix(m, "/") // remove leading slash
if i := strings.Index(m, "/"); i >= 0 {
m = m[:i] // remove everything from second slash
}
return m
}
// traceEventLog mirrors golang.org/x/net/trace.EventLog.
//
// It exists in order to avoid importing x/net/trace on grpcnotrace builds.
type traceEventLog interface {
Printf(format string, a ...any)
Errorf(format string, a ...any)
Finish()
}
// traceLog mirrors golang.org/x/net/trace.Trace.
//
// It exists in order to avoid importing x/net/trace on grpcnotrace builds.
type traceLog interface {
LazyLog(x fmt.Stringer, sensitive bool)
LazyPrintf(format string, a ...any)
SetError()
SetRecycler(f func(any))
SetTraceInfo(traceID, spanID uint64)
SetMaxEvents(m int)
Finish()
}
// traceInfo contains tracing information for an RPC.
type traceInfo struct {
tr traceLog
firstLine firstLine
}
// firstLine is the first line of an RPC trace.
// It may be mutated after construction; remoteAddr specifically may change
// during client-side use.
type firstLine struct {
mu sync.Mutex
client bool // whether this is a client (outgoing) RPC
remoteAddr net.Addr
deadline time.Duration // may be zero
}
func (f *firstLine) SetRemoteAddr(addr net.Addr) {
f.mu.Lock()
f.remoteAddr = addr
f.mu.Unlock()
}
func (f *firstLine) String() string {
f.mu.Lock()
defer f.mu.Unlock()
var line bytes.Buffer
io.WriteString(&line, "RPC: ")
if f.client {
io.WriteString(&line, "to")
} else {
io.WriteString(&line, "from")
}
fmt.Fprintf(&line, " %v deadline:", f.remoteAddr)
if f.deadline != 0 {
fmt.Fprint(&line, f.deadline)
} else {
io.WriteString(&line, "none")
}
return line.String()
}
const truncateSize = 100
func truncate(x string, l int) string {
if l > len(x) {
return x
}
return x[:l]
}
// payload represents an RPC request or response payload.
type payload struct {
sent bool // whether this is an outgoing payload
msg any // e.g. a proto.Message
// TODO(dsymonds): add stringifying info to codec, and limit how much we hold here?
}
func (p payload) String() string {
if p.sent {
return truncate(fmt.Sprintf("sent: %v", p.msg), truncateSize)
}
return truncate(fmt.Sprintf("recv: %v", p.msg), truncateSize)
}
type fmtStringer struct {
format string
a []any
}
func (f *fmtStringer) String() string {
return fmt.Sprintf(f.format, f.a...)
}
type stringer string
func (s stringer) String() string { return string(s) }