wp

storage/storage.go

@@ -1,6 +1,8 @@
 package storage
 
-const (
+import "gordenko.dev/dima/qb"
+
+var (
 
 	//PageNoSize    = 4
 
@@ -15,18 +17,106 @@ const (
 	prevPageIdx       = DataPageSize - 12
 
 	// index page
-	IndexPageSize         = 1024
-	IndexPageFooterSize   = 7
+	IndexPageSize       = 1024
+	IndexPageFooterSize = 7
+	//indexPageIncSize     = IndexPageIncSize
+	indexCRC32Idx         = IndexPageSize - 4
+	indexRecordsCountIdx  = IndexPageSize - 6
+	isZeroLevelIdx        = IndexPageSize - 7
 	indexRecordSize       = 8
 	maxRecordsOnIndexPage = (IndexPageSize - IndexPageFooterSize) / indexRecordSize
 
-	//indexPageIncSize     = IndexPageIncSize
-	indexCRC32Idx        = IndexPageSize - 4
-	indexRecordsCountIdx = IndexPageSize - 6
-	isZeroLevelIdx       = IndexPageSize - 7
-
 	// timestampSize  = 4
 	// pairSize       = timestampSize + PageNoSize
 	// indexFooterIdx = indexRecordsQtyIdx
 	// dataFooterIdx  = timestampsSizeIdx
 )
+
+type IndexRecord struct {
+	Timestamp uint32
+	PageNo    uint32
+}
+
+// TASKS FROM WORKER
+
+type MetricAdd struct {
+	MetricID   uint32
+	MetricType qb.MetricType
+	FracDigits byte
+	ResultCh   chan struct{}
+}
+
+type MetricDelete struct {
+	MetricID       uint32
+	FreeIndexPages []uint32
+	FreeDataPages  []uint32
+	ResultCh       chan struct{}
+}
+
+type MeasuresAppendWithGrow struct {
+	MetricID               uint32
+	LastPageNo             uint32
+	TimestampsRewindOffset int // offset on 1st page
+	Timestamps             []byte
+	ValuesRewindOffset     int // offset on 1st page
+	Values                 []byte
+	DataPages              []DataPayload
+	TailTimestamps         []byte // data level tail
+	TailValues             []byte // data level tail
+	IndexLevelTails        []IndexLevelTail
+	ResultCode             byte
+	WrittenCount           int
+	ResultCh               chan struct{}
+}
+
+type MeasuresAppend struct {
+	MetricID               uint32
+	TimestampsRewindOffset int // offset on 1st page
+	Timestamps             []byte
+	ValuesRewindOffset     int // offset on 1st page
+	Values                 []byte
+	ResultCode             byte
+	WrittenCount           int
+	ResultCh               chan struct{}
+}
+
+type MeasuresDelete struct {
+	MetricID       uint32
+	FreeIndexPages []uint32
+	FreeDataPages  []uint32
+	ResultCh       chan struct{}
+}
+
+// WRITE RESULTS
+
+// результат
+type MeasuresAppendCommited struct {
+	MetricID     uint32
+	ResultCode   byte
+	WrittenCount int
+	ResultCh     chan struct{}
+}
+
+type MeasuresAppendWithGrowCommited struct {
+	MetricID     uint32
+	LastPageNo   uint32
+	Index        []IndexLevelTail
+	ResultCode   byte
+	WrittenCount int
+	ResultCh     chan struct{}
+}
+
+type MeasuresDeleteCommited struct {
+	MetricID uint32
+	ResultCh chan struct{}
+}
+
+type MetricAddCommited struct {
+	MetricID uint32
+	ResultCh chan struct{}
+}
+
+type MetricDeleteCommited struct {
+	MetricID uint32
+	ResultCh chan struct{}
+}