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bufio: Add ReadBufferSize and ReadPacketSize

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世界 2024-08-18 09:14:52 +08:00
parent ed6cde73f7
commit e33b1d67d5
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1 changed files with 39 additions and 0 deletions
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39
common/bufio/io.go
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@ -25,6 +25,45 @@ func ReadPacket(reader N.PacketReader, buffer *buf.Buffer) (n int, addr net.Addr
return
}
func ReadBufferSize(reader io.Reader, bufferSize int) (buffer *buf.Buffer, err error) {
readWaiter, isReadWaiter := CreateReadWaiter(reader)
if isReadWaiter {
readWaiter.InitializeReadWaiter(N.ReadWaitOptions{
MTU: bufferSize,
})
return readWaiter.WaitReadBuffer()
}
buffer = buf.NewSize(bufferSize)
if extendedReader, isExtendedReader := reader.(N.ExtendedReader); isExtendedReader {
err = extendedReader.ReadBuffer(buffer)
} else {
_, err = buffer.ReadOnceFrom(reader)
}
if err != nil {
buffer.Release()
buffer = nil
}
return
}
func ReadPacketSize(reader N.PacketReader, packetSize int) (buffer *buf.Buffer, destination M.Socksaddr, err error) {
readWaiter, isReadWaiter := CreatePacketReadWaiter(reader)
if isReadWaiter {
readWaiter.InitializeReadWaiter(N.ReadWaitOptions{
MTU: packetSize,
})
buffer, destination, err = readWaiter.WaitReadPacket()
return
}
buffer = buf.NewSize(packetSize)
destination, err = reader.ReadPacket(buffer)
if err != nil {
buffer.Release()
buffer = nil
}
return
}
func Write(writer io.Writer, data []byte) (n int, err error) {
if extendedWriter, isExtended := writer.(N.ExtendedWriter); isExtended {
return WriteBuffer(extendedWriter, buf.As(data))