func InitStartupMessage(m *Message, params map[string]string) {
buf := bytes.NewBuffer(make([]byte, 0, 1024))
// Protocol V3 header
// TODO: make this configurable. maybe.
buf.Write([]byte{0x00, 0x03, 0x00, 0x00})
for name, value := range params {
WriteCString(buf, name)
WriteCString(buf, value)
}
buf.Write([]byte{'\000'})
m.InitFromBytes(MsgTypeFirst, buf.Bytes())
}
func InitDataRow(m *Message, encodedData [][]byte) {
dataSize := 0
for _, colVal := range encodedData {
dataSize += len(colVal)
}
msgBytes := make([]byte, 0, 2+dataSize)
buf := bytes.NewBuffer(msgBytes)
colCount := int16(len(encodedData))
WriteInt16(buf, colCount)
for _, colVal := range encodedData {
buf.Write(colVal)
}
m.InitFromBytes(MsgDataRowD, buf.Bytes())
}