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util: use more consistent and explicit naming for BR/BW

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This commit is contained in:
Roman Khimov 2019-08-28 13:24:06 +03:00
parent ad2cd15c6c
commit 672668b9fb
2 changed files with 29 additions and 30 deletions
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27
pkg/util/binaryWriter.go
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@ -14,25 +14,24 @@ type BinWriter struct {
Err error
}
// Write writes into the underlying io.Writer from an object v in LE format
func (w *BinWriter) Write(v interface{}) {
// WriteLE writes into the underlying io.Writer from an object v in little-endian format
func (w *BinWriter) WriteLE(v interface{}) {
if w.Err != nil {
return
}
w.Err = binary.Write(w.W, binary.LittleEndian, v)
}
// WriteBigEnd writes into the underlying io.Writer from an object v in BE format
// Only used for IP and PORT. Additional method makes the default LittleEndian case clean
func (w *BinWriter) WriteBigEnd(v interface{}) {
// WriteBE writes into the underlying io.Writer from an object v in big-endian format
func (w *BinWriter) WriteBE(v interface{}) {
if w.Err != nil {
return
}
w.Err = binary.Write(w.W, binary.BigEndian, v)
}
// VarUint writes a uint64 into the underlying writer
func (w *BinWriter) VarUint(val uint64) {
// WriteVarUint writes a uint64 into the underlying writer using variable-length encoding
func (w *BinWriter) WriteVarUint(val uint64) {
if val < 0 {
w.Err = errors.New("value out of range")
return
@ -63,13 +62,13 @@ func (w *BinWriter) VarUint(val uint64) {
}
// VarBytes writes a variable length byte array into the underlying io.Writer
func (w *BinWriter) VarBytes(b []byte) {
w.VarUint(uint64(len(b)))
w.Write(b)
// WriteBytes writes a variable length byte array into the underlying io.Writer
func (w *BinWriter) WriteBytes(b []byte) {
w.WriteVarUint(uint64(len(b)))
w.WriteLE(b)
}
//VarString casts the string as a byte slice and calls VarBytes
func (w *BinWriter) VarString(s string) {
w.VarBytes([]byte(s))
// WriteString writes a variable length string into the underlying io.Writer
func (w *BinWriter) WriteString(s string) {
w.WriteBytes([]byte(s))
}