Files
mautrix-telegram/pkg/gotd/telegram/uploader/small.go
T
2025-06-27 20:03:37 -07:00

67 lines
1.3 KiB
Go

package uploader
import (
"context"
"io"
"github.com/go-faster/errors"
"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
)
func (u *Uploader) smallLoop(ctx context.Context, h io.Writer, upload *Upload) error {
buf := u.pool.GetSize(u.partSize)
defer u.pool.Put(buf)
last := false
r := io.TeeReader(upload.from, h)
for {
n, err := io.ReadFull(r, buf.Buf)
switch {
case errors.Is(err, io.ErrUnexpectedEOF):
last = true
case errors.Is(err, io.EOF):
return nil
case err != nil:
return errors.Wrap(err, "read source")
}
read := buf.Buf[:n]
// Upload loop.
for {
r, err := u.rpc.UploadSaveFilePart(ctx, &tg.UploadSaveFilePartRequest{
FileID: upload.id,
FilePart: int(upload.sentParts.Load()) % partsLimit,
Bytes: read,
})
if flood, err := tgerr.FloodWait(ctx, err); err != nil {
if flood {
continue
}
return errors.Wrap(err, "send upload RPC")
}
// If Telegram returned false, it seems save is not successful, so we retry to send.
if !r {
continue
}
break
}
upload.sentParts.Inc()
if err := u.callback(ctx, upload.confirmSmall(n)); err != nil {
return errors.Wrap(err, "progress callback")
}
if last {
break
}
}
return nil
}