feat: create a network payload meter

pkg/payloadmeter/go.mod

@@ -0,0 +1,27 @@
+module github.com/SigNoz/signoz-otel-collector/pkg/payloadmeter
+
+go 1.23.4
+
+require (
+	github.com/SigNoz/signoz-otel-collector v0.111.19
+	github.com/stretchr/testify v1.10.0
+	go.opentelemetry.io/collector/pdata v1.22.0
+	go.uber.org/zap v1.27.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/net v0.29.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/grpc v1.68.1 // indirect
+	google.golang.org/protobuf v1.35.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

pkg/payloadmeter/go.sum

@@ -0,0 +1,87 @@
+github.com/SigNoz/signoz-otel-collector v0.111.19 h1:7UIlialWaMuh8H+MfYWMEcywOjsPhtiGnzgwqYGRdgc=
+github.com/SigNoz/signoz-otel-collector v0.111.19/go.mod h1:C0Vm0hVwuqQCAG10hRhBYPFNIkeqMuuymVOZv2jnpVk=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
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+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
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pkg/payloadmeter/json.go

@@ -0,0 +1,77 @@
+package payloadmeter
+
+import (
+	"encoding/json"
+	"go.opentelemetry.io/collector/pdata/plog"
+	"go.opentelemetry.io/collector/pdata/pmetric"
+	"go.opentelemetry.io/collector/pdata/ptrace"
+
+	"go.uber.org/zap"
+)
+
+type JsonSizer struct {
+	Logger *zap.Logger
+}
+
+func NewJSONSizer(logger *zap.Logger) *JsonSizer {
+	return &JsonSizer{
+		Logger: logger,
+	}
+}
+
+func (sizer *JsonSizer) GetSize(data any) int {
+	switch v := data.(type) {
+	case ptrace.Traces:
+		// Calculate size for traces
+		return sizer.calculateTracesSize(v)
+	case pmetric.Metrics:
+		// Calculate size for metrics
+		return sizer.calculateMetricsSize(v)
+	case plog.Logs:
+		// Calculate size for logs
+		return sizer.calculateLogsSize(v)
+	case map[string]any:
+		// Calculate size for map[string]any
+		return sizer.calculateMapStringAnySize(v)
+	default:
+		sizer.Logger.Error("unknown type, setting size to 0", zap.Any("obj", v))
+		return 0 // Or handle unexpected type
+	}
+}
+
+func (sizer *JsonSizer) calculateTracesSize(traces ptrace.Traces) int {
+	bytes, err := (&ptrace.JSONMarshaler{}).MarshalTraces(traces)
+	if err != nil {
+		sizer.Logger.Error("cannot marshal object, setting size to 0", zap.Any("obj", traces))
+		return 0
+	}
+	return len(bytes)
+}
+
+func (sizer *JsonSizer) calculateMetricsSize(metrics pmetric.Metrics) int {
+	bytes, err := (&pmetric.JSONMarshaler{}).MarshalMetrics(metrics)
+	if err != nil {
+		sizer.Logger.Error("cannot marshal object, setting size to 0", zap.Any("obj", metrics))
+		return 0
+	}
+	return len(bytes)
+}
+
+func (sizer *JsonSizer) calculateLogsSize(logs plog.Logs) int {
+	bytes, err := (&plog.JSONMarshaler{}).MarshalLogs(logs)
+	if err != nil {
+		sizer.Logger.Error("cannot marshal object, setting size to 0", zap.Any("obj", logs))
+		return 0
+	}
+
+	return len(bytes)
+}
+
+func (sizer *JsonSizer) calculateMapStringAnySize(raw map[string]any) int {
+	bytes, err := json.Marshal(raw)
+	if err != nil {
+		sizer.Logger.Error("cannot marshal object, setting size to 0", zap.Any("obj", raw))
+		return 0
+	}
+	return len(bytes)
+}

pkg/metering/meter.go → pkg/payloadmeter/meter.go

@@ -1,24 +1,23 @@
-package metering
+package payloadmeter
 
 import (
 	"go.opentelemetry.io/collector/pdata/plog"
 	"go.opentelemetry.io/collector/pdata/pmetric"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 )
 
-// Meter is an interface that receives telemetry data and
-// calculates billable metrics.
 type Meter[T ptrace.Traces | pmetric.Metrics | plog.Logs] interface {
 	// Calculates size of the telemetry data in bytes.
-	Size(T) int
+	Size(T, Decoding) int
 	// Calculates count of the telemetry data.
-	Count(T) int
+	Count(T, Decoding) int
 }
 
 // Sizer is an interface that calculates the size of different
 // data structures
 type Sizer interface {
-	SizeOfMapStringAny(map[string]any) int
+	GetSize(data any) int
+	//Encoding() Serialization
 }
 
 // Calculates billable metrics for logs.
@@ -35,3 +34,23 @@ type Traces interface {
 type Metrics interface {
 	Meter[pmetric.Metrics]
 }
+
+type Serialization struct {
+	name string
+}
+
+var (
+	Json  = Serialization{name: "json"}
+	Proto = Serialization{name: "proto"}
+)
+
+type Decoding struct {
+	name string
+}
+
+var (
+	// Otlp how upstream calculation size
+	Otlp = Decoding{name: "otlp"}
+	// Signoz custom calculation of size for signoz, used in billing, does the deep calculation
+	Signoz = Decoding{name: "signoz"}
+)

pkg/payloadmeter/proto.go

@@ -0,0 +1,55 @@
+package payloadmeter
+
+import (
+	"go.opentelemetry.io/collector/pdata/plog"
+	"go.opentelemetry.io/collector/pdata/pmetric"
+	"go.opentelemetry.io/collector/pdata/ptrace"
+
+	"go.uber.org/zap"
+)
+
+type ProtoSizer struct {
+	Logger *zap.Logger
+}
+
+func NewProtoSizer(logger *zap.Logger) *ProtoSizer {
+	return &ProtoSizer{
+		Logger: logger,
+	}
+}
+
+func (sizer *ProtoSizer) GetSize(data any) int {
+	switch v := data.(type) {
+	case ptrace.Traces:
+		// Calculate size for traces
+		return sizer.calculateTracesSize(v)
+	case pmetric.Metrics:
+		// Calculate size for metrics
+		return sizer.calculateMetricsSize(v)
+	case plog.Logs:
+		// Calculate size for logs
+		return sizer.calculateLogsSize(v)
+	case map[string]any:
+		// Calculate size for map[string]any
+		return sizer.calculateMapStringAnySize(v)
+	default:
+		sizer.Logger.Error("unknown type, setting size to 0", zap.Any("obj", v))
+		return 0 // Or handle unexpected type
+	}
+}
+
+func (sizer *ProtoSizer) calculateTracesSize(traces ptrace.Traces) int {
+	return 0
+}
+
+func (sizer *ProtoSizer) calculateMetricsSize(metrics pmetric.Metrics) int {
+	return 0
+}
+
+func (sizer *ProtoSizer) calculateLogsSize(logs plog.Logs) int {
+	return 0
+}
+
+func (sizer *ProtoSizer) calculateMapStringAnySize(raw map[string]any) int {
+	return 0
+}