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zeekay
765c3d0aa1
Module path, package names, and identifiers de-branded to native/proto/compress/ pool/tracing. Server wire-protocol strings preserved. Vendored codec surface used by hanzo-ds/go (proto + compress).
40 lines
1.7 KiB
Go
40 lines
1.7 KiB
Go
package proto
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//go:generate go run github.com/dmarkham/enumer -type ServerCode -trimprefix ServerCode -output server_code_enum.go
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// ServerCode is sent by server to client.
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type ServerCode byte
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// Possible server codes.
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const (
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ServerCodeHello ServerCode = 0 // Server part of "handshake"
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ServerCodeData ServerCode = 1 // data block (can be compressed)
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ServerCodeException ServerCode = 2 // runtime exception
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ServerCodeProgress ServerCode = 3 // query execution progress (bytes, lines)
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ServerCodePong ServerCode = 4 // ping response (ClientPing)
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ServerCodeEndOfStream ServerCode = 5 // all packets were transmitted
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ServerCodeProfile ServerCode = 6 // profiling info
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ServerCodeTotals ServerCode = 7 // packet with total values (can be compressed)
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ServerCodeExtremes ServerCode = 8 // packet with minimums and maximums (can be compressed)
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ServerCodeTablesStatus ServerCode = 9 // response to TablesStatus
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ServerCodeLog ServerCode = 10 // query execution system log
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ServerCodeTableColumns ServerCode = 11 // columns description
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ServerPartUUIDs ServerCode = 12 // list of unique parts ids.
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ServerReadTaskRequest ServerCode = 13 // String (UUID) describes a request for which next task is needed
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ServerProfileEvents ServerCode = 14 // Packet with profile events from server
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ServerCodeSSHChallenge ServerCode = 18 // return challenge for SSH signature signing
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)
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// Encode to buffer.
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func (c ServerCode) Encode(b *Buffer) { b.PutByte(byte(c)) }
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// Compressible reports whether message can be compressed.
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func (c ServerCode) Compressible() bool {
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switch c {
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case ServerCodeData, ServerCodeTotals, ServerCodeExtremes:
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return true
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default:
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return false
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}
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}
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