"refactor(common): 重构序列化工具包，将serialize重命名为utils并添加bitset组件"

common/utils/go-jsonrpc/metrics/metrics.go

@@ -0,0 +1,45 @@
+package metrics
+
+import (
+	"go.opencensus.io/stats"
+	"go.opencensus.io/stats/view"
+	"go.opencensus.io/tag"
+)
+
+// Global Tags
+var (
+	RPCMethod, _ = tag.NewKey("method")
+)
+
+// Measures
+var (
+	RPCInvalidMethod = stats.Int64("rpc/invalid_method", "Total number of invalid RPC methods called", stats.UnitDimensionless)
+	RPCRequestError  = stats.Int64("rpc/request_error", "Total number of request errors handled", stats.UnitDimensionless)
+	RPCResponseError = stats.Int64("rpc/response_error", "Total number of responses errors handled", stats.UnitDimensionless)
+)
+
+var (
+	// All RPC related metrics should at the very least tag the RPCMethod
+	RPCInvalidMethodView = &view.View{
+		Measure:     RPCInvalidMethod,
+		Aggregation: view.Count(),
+		TagKeys:     []tag.Key{RPCMethod},
+	}
+	RPCRequestErrorView = &view.View{
+		Measure:     RPCRequestError,
+		Aggregation: view.Count(),
+		TagKeys:     []tag.Key{RPCMethod},
+	}
+	RPCResponseErrorView = &view.View{
+		Measure:     RPCResponseError,
+		Aggregation: view.Count(),
+		TagKeys:     []tag.Key{RPCMethod},
+	}
+)
+
+// DefaultViews is an array of OpenCensus views for metric gathering purposes
+var DefaultViews = []*view.View{
+	RPCInvalidMethodView,
+	RPCRequestErrorView,
+	RPCResponseErrorView,
+}