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forgejo/modules/log/init.go

53 lines
1.9 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package log
import (
"context"
"runtime"
"strings"
"sync/atomic"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/util/rotatingfilewriter"
)
var (
projectPackagePrefix string
processTraceDisabled atomic.Int64
)
func init() {
_, filename, _, _ := runtime.Caller(0)
projectPackagePrefix = strings.TrimSuffix(filename, "modules/log/init.go")
if projectPackagePrefix == filename {
// in case the source code file is moved, we can not trim the suffix, the code above should also be updated.
panic("unable to detect correct package prefix, please update file: " + filename)
}
rotatingfilewriter.ErrorPrintf = FallbackErrorf
process.Trace = func(start bool, pid process.IDType, description string, parentPID process.IDType, typ string) {
// the logger manager has its own mutex lock, so it's safe to use "Load" here
if processTraceDisabled.Load() != 0 {
return
}
if start && parentPID != "" {
Log(1, TRACE, "Start %s: %s (from %s) (%s)", NewColoredValue(pid, FgHiYellow), description, NewColoredValue(parentPID, FgYellow), NewColoredValue(typ, Reset))
} else if start {
Log(1, TRACE, "Start %s: %s (%s)", NewColoredValue(pid, FgHiYellow), description, NewColoredValue(typ, Reset))
} else {
Log(1, TRACE, "Done %s: %s", NewColoredValue(pid, FgHiYellow), NewColoredValue(description, Reset))
}
}
}
func newContext(parent context.Context, desc string) (ctx context.Context, cancel context.CancelFunc) {
// the "process manager" also calls "log.Trace()" to output logs, so if we want to create new contexts by the manager, we need to disable the trace temporarily
processTraceDisabled.Add(1)
defer processTraceDisabled.Add(-1)
ctx, _, cancel = process.GetManager().AddTypedContext(parent, desc, process.SystemProcessType, false)
return ctx, cancel
}