fix: add benchmarks for securityviolationsprocessor

internal/collector/securityviolationsprocessor/processor_bench_test.go

@@ -0,0 +1,78 @@
+// Copyright (c) F5, Inc.
+//
+// This source code is licensed under the Apache License, Version 2.0 license found in the
+// LICENSE file in the root directory of this source tree.
+
+package securityviolationsprocessor
+
+import (
+	"context"
+	"testing"
+
+	"go.opentelemetry.io/collector/consumer/consumertest"
+	"go.opentelemetry.io/collector/pdata/plog"
+	"go.opentelemetry.io/collector/processor/processortest"
+)
+
+//nolint:lll // long test string kept for readability
+const (
+	sampleAppProtectSyslog = `<130>Aug 22 03:28:35 ip-172-16-0-213 ASM:N/A,80,127.0.0.1,false,GET,nms_app_protect_default_policy,HTTP,blocked,0,N/A,N/A::N/A,{High Accuracy Signatures;Cross Site Scripting Signatures}::{High Accuracy Signatures; Cross Site Scripting Signatures},56064,N/A,5377540117854870581,N/A,5,1-localhost:1-/,N/A,REJECTED,SECURITY_WAF_VIOLATION,Illegal meta character in URL::Attack signature detected::Violation Rating Threat detected::Bot Client Detected,<?xml version='1.0' encoding='UTF-8'?><BAD_MSG><violation_masks><block>414000000200c00-3a03030c30000072-8000000000000000-0</block><alarm>475f0ffcbbd0fea-befbf35cb000007e-f400000000000000-0</alarm><learn>0-0-0-0</learn><staging>0-0-0-0</staging></violation_masks><request-violations><violation><viol_index>42</viol_index><viol_name>VIOL_ATTACK_SIGNATURE</viol_name><context>url</context><sig_data><sig_id>200000099</sig_id><blocking_mask>3</blocking_mask><kw_data><buffer>Lzw+PHNjcmlwdD4=</buffer><offset>3</offset><length>7</length></kw_data></sig_data><sig_data><sig_id>200000093</sig_id><blocking_mask>3</blocking_mask><kw_data><buffer>Lzw+PHNjcmlwdD4=</buffer><offset>4</offset><length>7</length></kw_data></sig_data></violation><violation><viol_index>26</viol_index><viol_name>VIOL_URL_METACHAR</viol_name><uri>Lzw+PHNjcmlwdD4=</uri><metachar_index>60</metachar_index><wildcard_entity>*</wildcard_entity><staging>0</staging></violation><violation><viol_index>26</viol_index><viol_name>VIOL_URL_METACHAR</viol_name><uri>Lzw+PHNjcmlwdD4=</uri><metachar_index>62</metachar_index><wildcard_entity>*</wildcard_entity><staging>0</staging></violation><violation><viol_index>122</viol_index><viol_name>VIOL_BOT_CLIENT</viol_name></violation><violation><viol_index>93</viol_index><viol_name>VIOL_RATING_THREAT</viol_name></violation></request-violations></BAD_MSG>,curl,HTTP Library,N/A,N/A,Untrusted Bot,N/A,N/A,HTTP/1.1,/<><script>,GET /<><script> HTTP/1.1\\r\\nHost: localhost\\r\\nUser-Agent: curl/7.81.0\\r\\nAccept: */*\\r\\n\\r\\n`
+)
+
+//nolint:lll,revive // long test string kept for readability
+func generateSecurityViolationLogs(numRecords int, message string) plog.Logs {
+	logs := plog.NewLogs()
+	rl := logs.ResourceLogs().AppendEmpty()
+	sl := rl.ScopeLogs().AppendEmpty()
+
+	for range numRecords {
+		lr := sl.LogRecords().AppendEmpty()
+		lr.Body().SetStr(message)
+	}
+
+	return logs
+}
+
+func newBenchmarkProcessor() *securityViolationsProcessor {
+	settings := processortest.NewNopSettings(processortest.NopType)
+	return newSecurityViolationsProcessor(consumertest.NewNop(), settings)
+}
+
+func BenchmarkSecurityViolationsProcessor(b *testing.B) {
+	benchmarks := []struct {
+		name       string
+		message    string
+		numRecords int
+	}{
+		{name: "AppProtect_100", message: sampleAppProtectSyslog, numRecords: 100},
+		{name: "AppProtect_1000", message: sampleAppProtectSyslog, numRecords: 1000},
+	}
+
+	for _, bm := range benchmarks {
+		b.Run(bm.name, func(b *testing.B) {
+			p := newBenchmarkProcessor()
+			logs := generateSecurityViolationLogs(bm.numRecords, bm.message)
+
+			b.ReportAllocs()
+			b.ResetTimer()
+			for range b.N {
+				_ = p.ConsumeLogs(context.Background(), logs)
+			}
+		})
+	}
+}
+
+func BenchmarkSecurityViolationsProcessor_Concurrent(b *testing.B) {
+	p := newBenchmarkProcessor()
+	logs := generateSecurityViolationLogs(200, sampleAppProtectSyslog)
+
+	b.ReportAllocs()
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			logsCopy := plog.NewLogs()
+			logs.CopyTo(logsCopy)
+			_ = p.ConsumeLogs(context.Background(), logsCopy)
+		}
+	})
+}