| package sarama |
| |
| // ApiVersionsResponseKey contains the APIs supported by the broker. |
| type ApiVersionsResponseKey struct { |
| // Version defines the protocol version to use for encode and decode |
| Version int16 |
| // ApiKey contains the API index. |
| ApiKey int16 |
| // MinVersion contains the minimum supported version, inclusive. |
| MinVersion int16 |
| // MaxVersion contains the maximum supported version, inclusive. |
| MaxVersion int16 |
| } |
| |
| func (a *ApiVersionsResponseKey) encode(pe packetEncoder, version int16) (err error) { |
| a.Version = version |
| pe.putInt16(a.ApiKey) |
| |
| pe.putInt16(a.MinVersion) |
| |
| pe.putInt16(a.MaxVersion) |
| |
| if version >= 3 { |
| pe.putEmptyTaggedFieldArray() |
| } |
| |
| return nil |
| } |
| |
| func (a *ApiVersionsResponseKey) decode(pd packetDecoder, version int16) (err error) { |
| a.Version = version |
| if a.ApiKey, err = pd.getInt16(); err != nil { |
| return err |
| } |
| |
| if a.MinVersion, err = pd.getInt16(); err != nil { |
| return err |
| } |
| |
| if a.MaxVersion, err = pd.getInt16(); err != nil { |
| return err |
| } |
| |
| if version >= 3 { |
| if _, err := pd.getEmptyTaggedFieldArray(); err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| type ApiVersionsResponse struct { |
| // Version defines the protocol version to use for encode and decode |
| Version int16 |
| // ErrorCode contains the top-level error code. |
| ErrorCode int16 |
| // ApiKeys contains the APIs supported by the broker. |
| ApiKeys []ApiVersionsResponseKey |
| // ThrottleTimeMs contains the duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota. |
| ThrottleTimeMs int32 |
| } |
| |
| func (r *ApiVersionsResponse) encode(pe packetEncoder) (err error) { |
| pe.putInt16(r.ErrorCode) |
| |
| if r.Version >= 3 { |
| pe.putCompactArrayLength(len(r.ApiKeys)) |
| } else { |
| if err := pe.putArrayLength(len(r.ApiKeys)); err != nil { |
| return err |
| } |
| } |
| for _, block := range r.ApiKeys { |
| if err := block.encode(pe, r.Version); err != nil { |
| return err |
| } |
| } |
| |
| if r.Version >= 1 { |
| pe.putInt32(r.ThrottleTimeMs) |
| } |
| |
| if r.Version >= 3 { |
| pe.putEmptyTaggedFieldArray() |
| } |
| |
| return nil |
| } |
| |
| func (r *ApiVersionsResponse) decode(pd packetDecoder, version int16) (err error) { |
| r.Version = version |
| if r.ErrorCode, err = pd.getInt16(); err != nil { |
| return err |
| } |
| |
| var numApiKeys int |
| if r.Version >= 3 { |
| numApiKeys, err = pd.getCompactArrayLength() |
| if err != nil { |
| return err |
| } |
| } else { |
| numApiKeys, err = pd.getArrayLength() |
| if err != nil { |
| return err |
| } |
| } |
| r.ApiKeys = make([]ApiVersionsResponseKey, numApiKeys) |
| for i := 0; i < numApiKeys; i++ { |
| var block ApiVersionsResponseKey |
| if err = block.decode(pd, r.Version); err != nil { |
| return err |
| } |
| r.ApiKeys[i] = block |
| } |
| |
| if r.Version >= 1 { |
| if r.ThrottleTimeMs, err = pd.getInt32(); err != nil { |
| return err |
| } |
| } |
| |
| if r.Version >= 3 { |
| if _, err = pd.getEmptyTaggedFieldArray(); err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| func (r *ApiVersionsResponse) key() int16 { |
| return 18 |
| } |
| |
| func (r *ApiVersionsResponse) version() int16 { |
| return r.Version |
| } |
| |
| func (r *ApiVersionsResponse) headerVersion() int16 { |
| // ApiVersionsResponse always includes a v0 header. |
| // See KIP-511 for details |
| return 0 |
| } |
| |
| func (r *ApiVersionsResponse) requiredVersion() KafkaVersion { |
| switch r.Version { |
| case 0: |
| return V0_10_0_0 |
| case 3: |
| return V2_4_0_0 |
| default: |
| return V0_10_0_0 |
| } |
| } |