chore: 初始提交 Fonu 1.0.2

- 公网反代:Nginx 状态卡片(版本 / 运行状态 / 配置校验 / 端口监听)
- 部署设置第一、二梯队(HTTPS 开关、安全头、限流、连接数、仅中国大陆 IP)
- 隧道检测兼容 frps v0.68 / v0.71(V2 与旧版端点)
- 恢复被清空的 internal/frp/store.go、internal/api/ddns_handler.go、web/src/views/DdnsView.vue
This commit is contained in:
2026-09-23 09:40:59 +08:00
commit 278f8267b7
333 changed files with 53562 additions and 0 deletions
+328
View File
@@ -0,0 +1,328 @@
package traffic
import (
"bufio"
"context"
"database/sql"
"io"
"os"
"sort"
"strings"
"sync"
"time"
"github.com/fonu/fonu/internal/logstore"
"github.com/fonu/fonu/internal/notify"
"github.com/fonu/fonu/internal/proxy"
)
const (
rateWindow = 5 * time.Second
activeWindow = 65 * time.Second
persistInterval = 30 * time.Second
maxSamplesPerHost = 256
)
type RuleTraffic struct {
RuleID int64 `json:"rule_id"`
UploadTotal int64 `json:"upload_total"`
DownloadTotal int64 `json:"download_total"`
UploadRate float64 `json:"upload_rate"`
DownloadRate float64 `json:"download_rate"`
Connections int `json:"connections"`
}
type ClientConn struct {
IP string `json:"ip"`
LastSeen string `json:"last_seen"`
}
type Collector struct {
path string
store *Store
notify *notify.Service
mu sync.RWMutex
hosts map[string]*hostState
}
type hostState struct {
uploadTotal int64
downloadTotal int64
clients map[string]time.Time
samples []sample
}
type sample struct {
at time.Time
up int64
down int64
}
func NewCollector(db *sql.DB, accessLogPath string, notifySvc *notify.Service) *Collector {
return &Collector{
path: accessLogPath,
store: NewStore(db),
notify: notifySvc,
hosts: map[string]*hostState{},
}
}
func (c *Collector) Start(ctx context.Context) {
if totals, err := c.store.LoadTotals(ctx); err == nil {
c.mu.Lock()
for host, t := range totals {
st := c.ensureHost(host)
st.uploadTotal = t.Upload
st.downloadTotal = t.Download
}
c.mu.Unlock()
}
go c.tailLoop(ctx)
go c.persistLoop(ctx)
}
func (c *Collector) tailLoop(ctx context.Context) {
offset := c.logOffset()
for {
if ctx.Err() != nil {
return
}
offset = c.readFrom(offset)
time.Sleep(500 * time.Millisecond)
}
}
func (c *Collector) logOffset() int64 {
info, err := os.Stat(c.path)
if err != nil {
return 0
}
return info.Size()
}
func (c *Collector) readFrom(offset int64) int64 {
file, err := os.Open(c.path)
if err != nil {
return offset
}
defer file.Close()
info, err := file.Stat()
if err != nil {
return offset
}
if info.Size() < offset {
offset = 0
}
if _, err := file.Seek(offset, 0); err != nil {
return offset
}
reader := bufio.NewReader(file)
for {
line, err := reader.ReadString('\n')
if len(line) > 0 {
c.ingestLine(strings.TrimRight(line, "\r\n"), true)
}
if err != nil {
if err == io.EOF {
pos, seekErr := file.Seek(0, io.SeekCurrent)
if seekErr == nil {
return pos
}
return info.Size()
}
return offset
}
}
}
func (c *Collector) persistLoop(ctx context.Context) {
ticker := time.NewTicker(persistInterval)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
_ = c.persist(context.Background())
return
case <-ticker.C:
_ = c.persist(ctx)
}
}
}
func (c *Collector) persist(ctx context.Context) error {
c.mu.RLock()
snapshot := make(map[string]hostTotals, len(c.hosts))
for host, st := range c.hosts {
snapshot[host] = hostTotals{Upload: st.uploadTotal, Download: st.downloadTotal}
}
c.mu.RUnlock()
return c.store.SaveTotals(ctx, snapshot)
}
func (c *Collector) ingestLine(line string, trackLive bool) {
entry, ok := logstore.ParseAccess(line)
if !ok || entry.Domain == "" {
return
}
host := EndpointKey(entry.Domain, entry.ServerPort)
up := entry.RequestLength
down := entry.BytesSent
if up == 0 && down == 0 && !trackLive {
return
}
now := time.Now()
c.mu.Lock()
st := c.ensureHost(host)
st.uploadTotal += up
st.downloadTotal += down
if trackLive {
if up > 0 || down > 0 {
st.samples = append(st.samples, sample{at: now, up: up, down: down})
if len(st.samples) > maxSamplesPerHost {
st.samples = st.samples[len(st.samples)-maxSamplesPerHost:]
}
}
if entry.ClientIP != "" && entry.ClientIP != "-" {
st.clients[entry.ClientIP] = now
if c.notify != nil {
c.notify.RecordAccessHit(context.Background(), entry.ClientIP)
}
}
c.pruneHost(st, now)
}
c.mu.Unlock()
}
func (c *Collector) ensureHost(host string) *hostState {
st, ok := c.hosts[host]
if !ok {
st = &hostState{clients: map[string]time.Time{}}
c.hosts[host] = st
}
return st
}
func (c *Collector) pruneHost(st *hostState, now time.Time) {
cutoff := now.Add(-rateWindow)
for i := 0; i < len(st.samples); {
if st.samples[i].at.Before(cutoff) {
st.samples = append(st.samples[:i], st.samples[i+1:]...)
continue
}
i++
}
activeCutoff := now.Add(-activeWindow)
for ip, seen := range st.clients {
if seen.Before(activeCutoff) {
delete(st.clients, ip)
}
}
}
func (c *Collector) aggregateEndpoints(endpoints []proxy.Endpoint, now time.Time) (uploadTotal, downloadTotal int64, uploadRate, downloadRate float64, connections int) {
c.mu.RLock()
defer c.mu.RUnlock()
var upSamples, downSamples int64
var oldest time.Time
clientSet := map[string]time.Time{}
for _, ep := range endpoints {
key := EndpointKey(ep.Hostname, ep.Port)
st, ok := c.hosts[key]
if !ok {
continue
}
uploadTotal += st.uploadTotal
downloadTotal += st.downloadTotal
cutoff := now.Add(-rateWindow)
for _, s := range st.samples {
if s.at.Before(cutoff) {
continue
}
upSamples += s.up
downSamples += s.down
if oldest.IsZero() || s.at.Before(oldest) {
oldest = s.at
}
}
activeCutoff := now.Add(-activeWindow)
for ip, seen := range st.clients {
if seen.Before(activeCutoff) {
continue
}
if prev, ok := clientSet[ip]; !ok || seen.After(prev) {
clientSet[ip] = seen
}
}
}
span := now.Sub(oldest).Seconds()
if span < 0.5 {
span = 0.5
}
if upSamples > 0 {
uploadRate = float64(upSamples) / span
}
if downSamples > 0 {
downloadRate = float64(downSamples) / span
}
connections = len(clientSet)
return uploadTotal, downloadTotal, uploadRate, downloadRate, connections
}
func (c *Collector) SnapshotForRules(rules []proxy.Rule) []RuleTraffic {
now := time.Now()
out := make([]RuleTraffic, 0, len(rules))
for _, rule := range rules {
endpoints := rule.Endpoints()
up, down, upRate, downRate, conns := c.aggregateEndpoints(endpoints, now)
out = append(out, RuleTraffic{
RuleID: rule.ID,
UploadTotal: up,
DownloadTotal: down,
UploadRate: upRate,
DownloadRate: downRate,
Connections: conns,
})
}
return out
}
func (c *Collector) ClientsForRule(rule proxy.Rule) []ClientConn {
now := time.Now()
activeCutoff := now.Add(-activeWindow)
clientSet := map[string]time.Time{}
c.mu.RLock()
for _, ep := range rule.Endpoints() {
key := EndpointKey(ep.Hostname, ep.Port)
st, ok := c.hosts[key]
if !ok {
continue
}
for ip, seen := range st.clients {
if seen.Before(activeCutoff) {
continue
}
if prev, ok := clientSet[ip]; !ok || seen.After(prev) {
clientSet[ip] = seen
}
}
}
c.mu.RUnlock()
out := make([]ClientConn, 0, len(clientSet))
for ip, seen := range clientSet {
out = append(out, ClientConn{IP: ip, LastSeen: seen.UTC().Format(time.RFC3339)})
}
sort.Slice(out, func(i, j int) bool {
return out[i].LastSeen > out[j].LastSeen
})
return out
}
+53
View File
@@ -0,0 +1,53 @@
package traffic
import (
"testing"
"time"
"github.com/fonu/fonu/internal/proxy"
)
func TestCollectorAttributesConnectionsByHostAndPort(t *testing.T) {
c := NewCollector(nil, "", nil)
now := time.Now()
line6893 := "2026-09-17T08:30:00+08:00 xxx.com 6893 GET /login 200 0.010 218.88.23.20 192.168.8.3:6893 100 200"
line8443 := "2026-09-17T08:30:01+08:00 xxx.com 8443 GET / 200 0.010 218.88.23.20 192.168.8.3:8443 100 200"
c.ingestLine(line6893, true)
c.ingestLine(line8443, true)
rules := []proxy.Rule{
{
ID: 1,
ListenPort: 6893,
Hosts: []proxy.Host{{Hostname: "xxx.com"}},
},
{
ID: 2,
ListenPort: 8443,
Hosts: []proxy.Host{{Hostname: "xxx.com"}},
},
}
stats := c.SnapshotForRules(rules)
if len(stats) != 2 {
t.Fatalf("expected 2 stats, got %d", len(stats))
}
byID := map[int64]RuleTraffic{}
for _, s := range stats {
byID[s.RuleID] = s
}
if byID[1].Connections != 1 {
t.Fatalf("rule 6893 connections=%d want 1", byID[1].Connections)
}
if byID[2].Connections != 1 {
t.Fatalf("rule 8443 connections=%d want 1", byID[2].Connections)
}
_ = now
}
func TestEndpointKeyIncludesPort(t *testing.T) {
if got := EndpointKey("XXX.com", 6893); got != "xxx.com:6893" {
t.Fatalf("got %q", got)
}
}
+17
View File
@@ -0,0 +1,17 @@
package traffic
import (
"fmt"
"strings"
)
func EndpointKey(host string, port int) string {
host = strings.ToLower(strings.TrimSpace(host))
if i := strings.Index(host, ":"); i > 0 {
host = host[:i]
}
if port <= 0 {
return host
}
return fmt.Sprintf("%s:%d", host, port)
}
+63
View File
@@ -0,0 +1,63 @@
package traffic
import (
"context"
"database/sql"
"strings"
"time"
)
type Store struct {
db *sql.DB
}
func NewStore(db *sql.DB) *Store {
return &Store{db: db}
}
func (s *Store) LoadTotals(ctx context.Context) (map[string]hostTotals, error) {
rows, err := s.db.QueryContext(ctx, `SELECT host, upload_bytes, download_bytes FROM proxy_traffic`)
if err != nil {
return nil, err
}
defer rows.Close()
out := map[string]hostTotals{}
for rows.Next() {
var host string
var up, down int64
if err := rows.Scan(&host, &up, &down); err != nil {
return nil, err
}
key := strings.ToLower(strings.TrimSpace(host))
out[key] = hostTotals{Upload: up, Download: down}
}
return out, rows.Err()
}
func (s *Store) SaveTotals(ctx context.Context, hosts map[string]hostTotals) error {
tx, err := s.db.BeginTx(ctx, nil)
if err != nil {
return err
}
for host, totals := range hosts {
_, err := tx.ExecContext(ctx, `
INSERT INTO proxy_traffic(host, upload_bytes, download_bytes, updated_at)
VALUES (?, ?, ?, ?)
ON CONFLICT(host) DO UPDATE SET
upload_bytes = excluded.upload_bytes,
download_bytes = excluded.download_bytes,
updated_at = excluded.updated_at
`, host, totals.Upload, totals.Download, time.Now().UTC().Format(time.RFC3339))
if err != nil {
_ = tx.Rollback()
return err
}
}
return tx.Commit()
}
type hostTotals struct {
Upload int64
Download int64
}