mirror of
https://github.com/Rain-kl/OpenFlare.git
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2b69f4d8d7
Result: {"status":"keep","total_issues":8,"eslint_errors":0,"eslint_problems":0,"eslint_warnings":0,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_total":0,"golint_test_usetesting":0,"golint_total":8,"golint_usestdlibvars":0,"golint_vetx_total":0,"golint_wastedassign":0,"measure_s":81,"tsc_errors":0,"vitest_failed":0,"vitest_total":126}
91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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// Package agent implements the OpenFlare agent protocol: node registration,
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// heartbeat processing, access-log ingestion, and related middleware.
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package agent
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import (
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"context"
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"log/slog"
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"net"
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"strings"
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"sync"
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pkggeoip "github.com/Rain-kl/Wavelet/pkg/geoip"
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)
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// 共享一个 GeoIP 服务实例:mmdb 打开(mmap + 解析元数据)成本不低,缺文件时还会
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// 同步下载,绝不能每个上报批次重建。maxminddb.Reader 并发安全,无需额外加锁。
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// 初始化失败不锁存:下一批上报会重试(与旧行为一致)。
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var (
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sharedAccessLogGeoMu sync.Mutex
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sharedAccessLogGeoInstance pkggeoip.Service
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)
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func sharedAccessLogGeoService(ctx context.Context) pkggeoip.Service {
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sharedAccessLogGeoMu.Lock()
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defer sharedAccessLogGeoMu.Unlock()
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if sharedAccessLogGeoInstance == nil {
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service, err := pkggeoip.NewMaxMindGeoIPServiceWithContext(ctx, "", "")
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if err != nil {
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slog.WarnContext(ctx, "initialize access log geo service failed", "error", err)
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return nil
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}
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sharedAccessLogGeoInstance = service
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}
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return sharedAccessLogGeoInstance
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}
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// resolveAccessLogRegion resolves the region name for an access-log remote address.
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// mmdb Lookup 本身是内存映射 trie 查找(微秒级),无需再建应用层 IP 缓存。
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// resolveAccessLogRegion resolves the region name for an access-log remote address.
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// mmdb Lookup 本身是内存映射 trie 查找(微秒级),无需再建应用层 IP 缓存。
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func resolveAccessLogRegion(ctx context.Context, rawIP string) string {
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normalizedIP := normalizeAccessLogIP(rawIP)
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if normalizedIP == "" {
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return ""
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}
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service := sharedAccessLogGeoService(ctx)
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if service == nil {
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return ""
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}
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info, err := service.GetGeoInfo(net.ParseIP(normalizedIP))
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if err != nil || info == nil {
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return ""
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}
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region := strings.TrimSpace(info.Name)
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if region == "" {
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region = strings.TrimSpace(info.ISOCode)
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}
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return region
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}
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func normalizeAccessLogIP(raw string) string {
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trimmed := strings.TrimSpace(raw)
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if trimmed == "" {
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return ""
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}
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if ip := net.ParseIP(trimmed); ip != nil {
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return ip.String()
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}
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trimmed = strings.TrimPrefix(trimmed, "[")
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trimmed = strings.TrimSuffix(trimmed, "]")
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if ip := net.ParseIP(trimmed); ip != nil {
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return ip.String()
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}
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host, _, err := net.SplitHostPort(strings.TrimSpace(raw))
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if err != nil {
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return ""
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}
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host = strings.TrimPrefix(host, "[")
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host = strings.TrimSuffix(host, "]")
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if ip := net.ParseIP(host); ip != nil {
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return ip.String()
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}
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return ""
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}
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