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69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
1 year ago
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package client
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import (
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"github.com/starainrt/go-mysql/utils"
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)
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func (c *Conn) writeCommand(command byte) error {
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c.ResetSequence()
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return c.WritePacket([]byte{
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0x01, //1 bytes long
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0x00,
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0x00,
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0x00, //sequence
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command,
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})
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}
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func (c *Conn) writeCommandBuf(command byte, arg []byte) error {
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c.ResetSequence()
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length := len(arg) + 1
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data := utils.ByteSliceGet(length + 4)
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data.B[4] = command
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copy(data.B[5:], arg)
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err := c.WritePacket(data.B)
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utils.ByteSlicePut(data)
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return err
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}
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func (c *Conn) writeCommandStr(command byte, arg string) error {
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return c.writeCommandBuf(command, utils.StringToByteSlice(arg))
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}
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func (c *Conn) writeCommandUint32(command byte, arg uint32) error {
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c.ResetSequence()
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return c.WritePacket([]byte{
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0x05, //5 bytes long
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0x00,
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0x00,
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0x00, //sequence
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command,
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byte(arg),
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byte(arg >> 8),
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byte(arg >> 16),
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byte(arg >> 24),
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})
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}
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func (c *Conn) writeCommandStrStr(command byte, arg1 string, arg2 string) error {
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c.ResetSequence()
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data := make([]byte, 4, 6+len(arg1)+len(arg2))
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data = append(data, command)
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data = append(data, arg1...)
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data = append(data, 0)
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data = append(data, arg2...)
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return c.WritePacket(data)
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}
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