mirror of https://github.com/jackc/pgx.git
35 lines
701 B
Go
35 lines
701 B
Go
package pqx
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import (
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"encoding/binary"
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"io"
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)
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const (
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protocolVersionNumber = 196608 // 3.0
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)
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type startupMsg struct {
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options map[string] string
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}
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func newStartupMsg() *startupMsg {
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return &startupMsg{map[string] string{}}
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}
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func (self *startupMsg) WriteTo(w io.Writer) (n int64, err error) {
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buf := make([]byte, 8, 128)
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binary.BigEndian.PutUint32(buf[4:8], uint32(protocolVersionNumber))
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for key, value := range self.options {
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buf = append(buf, key...)
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buf = append(buf, 0)
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buf = append(buf, value...)
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buf = append(buf, 0)
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}
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buf = append(buf, ("\000")...)
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binary.BigEndian.PutUint32(buf[0:4], uint32(len(buf)))
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var n32 int
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n32, err = w.Write(buf)
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return int64(n32), err
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} |