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switch to slog.Logger for logging, for easier reuse of packages by external software

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we don't want external software to include internal details like mlog.
slog.Logger is/will be the standard.

we still have mlog for its helper functions, and its handler that logs in
concise logfmt used by mox.

packages that are not meant for reuse still pass around mlog.Log for
convenience.

we use golang.org/x/exp/slog because we also support the previous Go toolchain
version. with the next Go release, we'll switch to the builtin slog.
This commit is contained in:
Mechiel Lukkien
2023-12-05 13:35:58 +01:00
parent 56b2a9d980
commit 5b20cba50a
150 changed files with 5176 additions and 1898 deletions
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6
webmail/eventwriter.go
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@ -12,6 +12,8 @@ import (
"sync"
"time"
"golang.org/x/exp/slog"
"github.com/mjl-/mox/metrics"
"github.com/mjl-/mox/mlog"
)
@ -69,7 +71,7 @@ var waitGen = mathrand.New(mathrand.NewSource(time.Now().UnixNano()))
// Schedule an event for writing to the connection. If events get a delay, this
// function still returns immediately.
func (ew *eventWriter) xsendEvent(ctx context.Context, log *mlog.Log, name string, v any) {
func (ew *eventWriter) xsendEvent(ctx context.Context, log mlog.Log, name string, v any) {
if (ew.waitMin > 0 || ew.waitMax > 0) && ew.events == nil {
// First write on a connection with delay.
ew.events = make(chan struct {
@ -82,7 +84,7 @@ func (ew *eventWriter) xsendEvent(ctx context.Context, log *mlog.Log, name strin
defer func() {
x := recover() // Should not happen, but don't take program down if it does.
if x != nil {
log.WithContext(ctx).Error("writeEvent panic", mlog.Field("err", x))
log.WithContext(ctx).Error("writeEvent panic", slog.Any("err", x))
debug.PrintStack()
metrics.PanicInc(metrics.Webmailsendevent)
}