go-waku/waku/v2/metrics/metrics.go

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package metrics
import (
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
var (
Messages = stats.Int64("messages", "Number of messages received", stats.UnitDimensionless)
StoreMessages = stats.Int64("store_messages", "Number of historical messages", stats.UnitDimensionless)
FilterSubscriptions = stats.Int64("filter_subscriptions", "Number of filter subscriptions", stats.UnitDimensionless)
Errors = stats.Int64("errors", "Number of errors", stats.UnitDimensionless)
)
var (
KeyType, _ = tag.NewKey("type")
KeyStoreErrorType, _ = tag.NewKey("store_error_type")
)
var (
MessageTypeView = &view.View{
Name: "messages",
Measure: Messages,
Description: "The distribution of the messages received",
Aggregation: view.Count(),
TagKeys: []tag.Key{KeyType},
}
StoreMessageTypeView = &view.View{
Name: "store_messages",
Measure: StoreMessages,
Description: "The distribution of the store protocol messages",
Aggregation: view.LastValue(),
TagKeys: []tag.Key{KeyType},
}
FilterSubscriptionsView = &view.View{
Name: "filter_subscriptions",
Measure: FilterSubscriptions,
Description: "The number of content filter subscriptions",
Aggregation: view.LastValue(),
}
StoreErrorTypesView = &view.View{
Name: "store_errors",
Measure: Errors,
Description: "The distribution of the store protocol errors",
Aggregation: view.Count(),
TagKeys: []tag.Key{KeyType},
}
)