/
srv.go
201 lines (186 loc) · 4.21 KB
/
srv.go
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package logger
import (
"context"
"os"
"github.com/powerpuffpenguin/webpc/logger"
"github.com/powerpuffpenguin/webpc/m/helper"
"github.com/powerpuffpenguin/webpc/single/logger/db"
grpc_logger "github.com/powerpuffpenguin/webpc/protocol/logger"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"google.golang.org/grpc/codes"
)
type server struct {
grpc_logger.UnimplementedLoggerServer
helper.Helper
}
func (s server) Level(ctx context.Context, req *grpc_logger.LevelRequest) (resp *grpc_logger.LevelResponse, e error) {
TAG := `logger Level`
file, e := logger.Logger.FileLevel().MarshalText()
if e != nil {
if ce := logger.Logger.Check(zap.ErrorLevel, TAG); ce != nil {
ce.Write()
}
return
}
console, e := logger.Logger.ConsoleLevel().MarshalText()
if e != nil {
if ce := logger.Logger.Check(zap.ErrorLevel, TAG); ce != nil {
ce.Write()
}
return
}
resp = &grpc_logger.LevelResponse{
File: string(file),
Console: string(console),
}
return
}
var emptySetLevelResponse grpc_logger.SetLevelResponse
func (s server) SetLevel(ctx context.Context, req *grpc_logger.SetLevelRequest) (resp *grpc_logger.SetLevelResponse, e error) {
TAG := `logger SetLevel`
var (
at zap.AtomicLevel
level zapcore.Level
)
e = level.UnmarshalText([]byte(req.Level))
if e != nil {
if ce := logger.Logger.Check(zap.WarnLevel, TAG); ce != nil {
ce.Write(
zap.String(`tag`, req.Tag),
zap.String(`level`, req.Level),
)
}
return
}
switch req.Tag {
case `file`:
at = logger.Logger.FileLevel()
case `console`:
at = logger.Logger.ConsoleLevel()
default:
e = s.Error(codes.InvalidArgument, `not support tag`)
}
if e != nil {
if ce := logger.Logger.Check(zap.WarnLevel, TAG); ce != nil {
ce.Write(
zap.String(`tag`, req.Tag),
zap.String(`level`, req.Level),
)
}
return
}
at.SetLevel(level)
resp = &emptySetLevelResponse
if ce := logger.Logger.Check(zap.InfoLevel, TAG); ce != nil {
ce.Write(
zap.String(`tag`, req.Tag),
zap.String(`level`, req.Level),
)
}
return
}
func (s server) Attach(req *grpc_logger.AttachRequest, stream grpc_logger.Logger_AttachServer) (e error) {
// TAG := `logger Atach`
ctx := stream.Context()
var respose grpc_logger.AttachResponse
e = stream.Send(&respose)
if e != nil {
return
}
done := ctx.Done()
listener := logger.NewSnapshotListener(done)
logger.AddListener(listener)
var (
working = true
ch = listener.Channel()
data []byte
)
for working {
select {
case <-done:
working = false
e = ctx.Err()
case data = <-ch:
if len(data) > 0 {
respose.Data = data
e = stream.Send(&respose)
if e != nil {
working = false
}
}
}
}
logger.RemoveListener(listener)
return
}
var emptyListResponse grpc_logger.ListResponse
func (s server) List(ctx context.Context, req *grpc_logger.ListRequest) (resp *grpc_logger.ListResponse, e error) {
TAG := `logger List`
filesystem := db.DefaultFilesystem()
stat, e := filesystem.Stat()
if e != nil {
if ce := logger.Logger.Check(zap.WarnLevel, TAG); ce != nil {
ce.Write(
zap.Error(e),
)
}
return
}
s.SetHTTPCacheMaxAge(ctx, 60)
modtime := stat.ModTime()
e = s.ServeMessage(ctx, modtime,
func(nobody bool) error {
if nobody {
resp = &emptyListResponse
return nil
}
names, e := filesystem.List()
if e != nil {
return e
}
if len(names) == 0 {
resp = &emptyListResponse
} else {
resp = &grpc_logger.ListResponse{
Names: names,
}
}
return nil
},
)
return
}
func (s server) Download(req *grpc_logger.DownloadRequest, stream grpc_logger.Logger_DownloadServer) (e error) {
// TAG := `logger Download`
if req.Name == `` {
e = s.Error(codes.InvalidArgument, `name not supported empty`)
return
}
ctx := stream.Context()
// open file
filename, allowed := db.DefaultFilesystem().Get(req.Name)
if !allowed {
e = s.Error(codes.InvalidArgument, `Illegal name`)
return
}
f, e := os.Open(filename)
if e != nil {
e = s.ToHTTPError(req.Name, e)
return
}
defer f.Close()
stat, e := f.Stat()
if e != nil {
e = s.ToHTTPError(req.Name, e)
return
}
s.SetHTTPCacheMaxAge(ctx, 0)
modtime := stat.ModTime()
e = s.ServeContent(stream,
`application/octet-stream`,
modtime,
f,
)
return
}