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package ipmi
import (
"context"
"fmt"
)
// [DCMI specification v1.5]: 6.5.2 Get DCMI Sensor Info Command
type GetDCMISensorInfoRequest struct {
SensorType SensorType
EntityID EntityID
// 00h Retrieve information about all instances associated with Entity ID
// 01h - FFh Retrieve only the information about particular instance.
EntityInstance EntityInstance
EntityInstanceStart uint8
}
type GetDCMISensorInfoResponse struct {
TotalEntityInstances uint8
RecordsCount uint8
SDRRecordID []uint16
}
func (req *GetDCMISensorInfoRequest) Pack() []byte {
out := make([]byte, 5)
packUint8(GroupExtensionDCMI, out, 0)
packUint8(uint8(req.SensorType), out, 1)
packUint8(byte(req.EntityID), out, 2)
packUint8(byte(req.EntityInstance), out, 3)
packUint8(req.EntityInstanceStart, out, 4)
return out
}
func (req *GetDCMISensorInfoRequest) Command() Command {
return CommandGetDCMISensorInfo
}
func (res *GetDCMISensorInfoResponse) CompletionCodes() map[uint8]string {
return map[uint8]string{}
}
func (res *GetDCMISensorInfoResponse) Unpack(msg []byte) error {
if len(msg) < 3 {
return ErrUnpackedDataTooShortWith(len(msg), 3)
}
if err := CheckDCMIGroupExenstionMatch(msg[0]); err != nil {
return err
}
res.TotalEntityInstances = msg[1]
res.RecordsCount = msg[2]
if len(msg) < 3+int(res.RecordsCount)*2 {
return ErrUnpackedDataTooShortWith(len(msg), 3+int(res.RecordsCount)*2)
}
res.SDRRecordID = make([]uint16, res.RecordsCount)
for i := 0; i < int(res.RecordsCount); i++ {
res.SDRRecordID[i], _, _ = unpackUint16L(msg, 3+i*2)
}
return nil
}
func (res *GetDCMISensorInfoResponse) Format() string {
return "" +
fmt.Sprintf("Total entity instances : %d\n", res.TotalEntityInstances) +
fmt.Sprintf("Number of records : %d\n", res.RecordsCount) +
fmt.Sprintf("SDR Record ID : %v\n", res.SDRRecordID)
}
// GetDCMISensorInfo sends a DCMI "Get Power Reading" command.
// See [GetDCMISensorInfoRequest] for details.
func (c *Client) GetDCMISensorInfo(ctx context.Context, request *GetDCMISensorInfoRequest) (response *GetDCMISensorInfoResponse, err error) {
response = &GetDCMISensorInfoResponse{}
err = c.Exchange(ctx, request, response)
return
}
func (c *Client) GetDCMISensors(ctx context.Context, entityIDs ...EntityID) ([]*SDR, error) {
out := make([]*SDR, 0)
for _, entityID := range entityIDs {
request := &GetDCMISensorInfoRequest{
SensorType: SensorTypeTemperature,
EntityID: entityID,
EntityInstance: 0x00,
EntityInstanceStart: 0,
}
response := &GetDCMISensorInfoResponse{}
if err := c.Exchange(ctx, request, response); err != nil {
return nil, err
}
for _, recordID := range response.SDRRecordID {
sdr, err := c.GetSDREnhanced(ctx, recordID)
if err != nil {
return nil, fmt.Errorf("GetSDRDetail failed for recordID (%#02x), err: %w", recordID, err)
}
out = append(out, sdr)
}
}
return out, nil
}
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