refactor: rework limiter, traffic accounting, and logging (nlog)

This commit is contained in:
xboard
2026-03-23 23:01:13 +08:00
parent 4676caac96
commit 3f1234a05c
20 changed files with 1721 additions and 1333 deletions
+172 -186
View File
@@ -1,275 +1,261 @@
package tracker
import (
"log/slog"
"sync"
"sync/atomic"
"github.com/cedar2025/xboard-node/internal/kernel"
"github.com/cedar2025/xboard-node/internal/nlog"
)
const (
// DefaultMaxConnState caps how many connection-state entries we maintain.
// Prevents unbounded memory growth from rogue / DDoS connection floods.
DefaultMaxConnState = 100_000
// snapshot is an immutable point-in-time view of tracker state.
// It is swapped atomically so readers never block writers.
type snapshot struct {
traffic map[int][2]int64 // userID → [upload, download] delta
aliveIPs map[int]map[string]bool // userID → set of source IPs
online map[int]int // userID → distinct IP count
connCount int
inSpeed int64
outSpeed int64
}
// DefaultMaxAliveIPsPerUser caps the per-user IP set tracked per push interval.
// 200 IPs per user is generous for any legitimate use case.
DefaultMaxAliveIPsPerUser = 200
)
// Tracker tracks per-connection traffic deltas and accumulates per-user totals.
// Tracker computes per-user traffic deltas from cumulative counters
// provided by the kernel, and accumulates totals for panel reporting.
//
// Thread safety model: Tracker is designed for SINGLE-GOROUTINE use only.
// All methods (Process, Flush*, Restore*, CurrentOnline, speed accessors) are
// called exclusively from the service goroutine's select loop. No internal
// locking is provided. Do NOT call Tracker methods from multiple goroutines.
// Architecture: the kernel maintains per-user atomic counters and IP sets.
// Each tick, the service calls Process() with cumulative per-user traffic.
// Tracker computes deltas against the previous cycle's values — O(users),
// not O(connections).
//
// Hot-path optimisation (②): activeConns is allocated once and cleared in-place
// every Process() call instead of being reallocated, saving GC pressure at high
// connection counts.
//
// OOM protection (④): connState and aliveIPs are capped at configurable maximums.
// Thread safety: Process() acquires mu to update internal state, then
// atomically publishes a new snapshot. All read methods (Flush*,
// CurrentOnline, LogStats, *Speed) read the snapshot lock-free.
// This eliminates contention between the 10s Process tick and the 60s
// flush/push tick.
type Tracker struct {
connState map[string][2]int64 // conn_id → last [upload, download]
traffic map[int][2]int64 // user_id → accumulated [upload, download]
aliveIPs map[int]map[string]bool // user_id → set of source IPs
online map[int]int // user_id → current active connection count
mu sync.Mutex
// ② Reused buffer: cleared each Process() call, not reallocated.
activeConns map[string]struct{}
// lastSeen stores the cumulative traffic from the previous Process() call.
// Protected by mu — only written by Process.
lastSeen map[int][2]int64 // userID → [upload, download] cumulative
// ④ Limits (set at construction, never mutated).
maxConnState int
maxAliveIPsPerUser int
// pending accumulates deltas between flushes.
// Protected by mu — written by Process, drained by FlushTraffic.
pendingTraffic map[int][2]int64
// lastActiveConns stores the last observed number of active connections.
// This is updated on each Process() call and read by the service when
// building node metrics for panel reporting.
lastActiveConns int
totalConns int64 // cumulative number of connections seen since startup
// live holds the current snapshot, swapped atomically.
// Readers load this pointer without any lock.
live atomic.Pointer[snapshot]
// lastUserCount is used to pre-size intervalTraffic each cycle, avoiding
// repeated map rehashing under heavy user counts.
lastUserCount int
inSpeed int64
outSpeed int64
// aliveIPsBuf is a reusable buffer for FlushAliveIPs output.
// Avoids allocating a new map+slice every 60s.
aliveIPsBuf map[int][]string
}
func New() *Tracker {
return NewWithLimits(DefaultMaxConnState, DefaultMaxAliveIPsPerUser)
t := &Tracker{
lastSeen: make(map[int][2]int64),
pendingTraffic: make(map[int][2]int64),
aliveIPsBuf: make(map[int][]string),
}
// Publish initial empty snapshot.
t.live.Store(&snapshot{
traffic: make(map[int][2]int64),
aliveIPs: make(map[int]map[string]bool),
online: make(map[int]int),
})
return t
}
func NewWithLimits(maxConnState, maxAliveIPsPerUser int) *Tracker {
return &Tracker{
connState: make(map[string][2]int64),
traffic: make(map[int][2]int64),
aliveIPs: make(map[int]map[string]bool),
online: make(map[int]int),
activeConns: make(map[string]struct{}),
maxConnState: maxConnState,
maxAliveIPsPerUser: maxAliveIPsPerUser,
}
}
// Process computes per-user traffic deltas from cumulative kernel counters.
// Also stores alive IPs and connection count. O(users).
//
// This is the only writer to lastSeen and pendingTraffic.
// After computing deltas, it publishes a new snapshot for lock-free reads.
func (t *Tracker) Process(
cumTraffic map[int][2]int64,
kernelAliveIPs map[int]map[string]bool,
connCount int,
) {
t.mu.Lock()
defer t.mu.Unlock()
// Process calculates per-user traffic deltas for this interval.
// Internally accumulates totals for panel push and tracks alive IPs.
// Returns per-user interval traffic [upload, download] for the limiter.
func (t *Tracker) Process(conns []kernel.Connection) map[int][2]int64 {
// Pre-size using last cycle's user count to avoid rehashing under heavy load.
intervalTraffic := make(map[int][2]int64, t.lastUserCount)
var cycleIn, cycleOut int64
// Clear activeConns in-place (no alloc, backing array retained).
for k := range t.activeConns {
delete(t.activeConns, k)
}
for uid, cum := range cumTraffic {
prev := t.lastSeen[uid]
deltaUp := cum[0] - prev[0]
deltaDown := cum[1] - prev[1]
// Rebuild aliveIPs each cycle so only currently-active IPs are reported.
// Previously, IPs accumulated across cycles leading to stale entries.
for uid := range t.aliveIPs {
for ip := range t.aliveIPs[uid] {
delete(t.aliveIPs[uid], ip)
// Guard against counter reset (kernel restart).
if deltaUp < 0 {
deltaUp = cum[0]
}
}
// Clear online counts
for uid := range t.online {
delete(t.online, uid)
}
for _, conn := range conns {
t.activeConns[conn.ID] = struct{}{}
if conn.UserID == 0 {
continue
if deltaDown < 0 {
deltaDown = cum[1]
}
t.online[conn.UserID]++
var deltaUp, deltaDown int64
prev, exists := t.connState[conn.ID]
if exists {
deltaUp = conn.Upload - prev[0]
deltaDown = conn.Download - prev[1]
if deltaUp < 0 {
deltaUp = conn.Upload
}
if deltaDown < 0 {
deltaDown = conn.Download
}
} else {
// ④ New connection: only track if below the state cap.
if len(t.connState) >= t.maxConnState {
slog.Debug("connState cap reached, skipping new connection",
"cap", t.maxConnState, "conn_id", conn.ID)
continue
}
deltaUp = conn.Upload
deltaDown = conn.Download
t.totalConns++
}
t.connState[conn.ID] = [2]int64{conn.Upload, conn.Download}
t.lastSeen[uid] = cum
if deltaUp > 0 || deltaDown > 0 {
cur := t.traffic[conn.UserID]
cur := t.pendingTraffic[uid]
cur[0] += deltaUp
cur[1] += deltaDown
t.traffic[conn.UserID] = cur
t.pendingTraffic[uid] = cur
it := intervalTraffic[conn.UserID]
it[0] += deltaUp
it[1] += deltaDown
intervalTraffic[conn.UserID] = it
}
// ④ Track alive IPs, capped per user.
if conn.SourceIP != "" {
ips := t.aliveIPs[conn.UserID]
if ips == nil {
ips = make(map[string]bool)
t.aliveIPs[conn.UserID] = ips
}
if len(ips) < t.maxAliveIPsPerUser {
ips[conn.SourceIP] = true
}
cycleOut += deltaUp
cycleIn += deltaDown
}
}
// Cleanup stale connState entries for connections that are no longer active.
for id := range t.connState {
if _, active := t.activeConns[id]; !active {
delete(t.connState, id)
}
// Compute online from alive IPs.
online := make(map[int]int, len(kernelAliveIPs))
for uid, ips := range kernelAliveIPs {
online[uid] = len(ips)
}
// Snapshot current active connection count for metrics reporting.
t.lastActiveConns = len(t.connState)
// Derive speed directly from intervalTraffic deltas accumulated this cycle.
// This avoids the negative-diff bug that occurs when connState entries for
// closed connections are removed, which made cumulative totals drop and
// clamped speed to 0 for one cycle after a mass disconnect.
var cycleIn, cycleOut int64
for _, it := range intervalTraffic {
cycleOut += it[0]
cycleIn += it[1]
}
t.inSpeed = cycleIn
t.outSpeed = cycleOut
// Update hint for next cycle's map pre-sizing.
if n := len(intervalTraffic); n > 0 {
t.lastUserCount = n
}
return intervalTraffic
// Publish new snapshot (readers will see this atomically).
t.live.Store(&snapshot{
traffic: copyTrafficMap(t.pendingTraffic),
aliveIPs: kernelAliveIPs, // kernel provides fresh copy each tick
online: online,
connCount: connCount,
inSpeed: cycleIn,
outSpeed: cycleOut,
})
}
// FlushTraffic returns accumulated per-user traffic and resets the counter.
// FlushTraffic returns accumulated per-user traffic and resets the pending buffer.
// Lock-free: reads from live snapshot, then acquires mu only to drain.
func (t *Tracker) FlushTraffic() map[int][2]int64 {
data := t.traffic
t.traffic = make(map[int][2]int64, len(data))
t.mu.Lock()
data := t.pendingTraffic
t.pendingTraffic = make(map[int][2]int64, len(data))
t.mu.Unlock()
return data
}
// RestoreTraffic adds traffic back (used when push to panel fails).
func (t *Tracker) RestoreTraffic(data map[int][2]int64) {
t.mu.Lock()
for uid, d := range data {
cur := t.traffic[uid]
cur := t.pendingTraffic[uid]
cur[0] += d[0]
cur[1] += d[1]
t.traffic[uid] = cur
t.pendingTraffic[uid] = cur
}
t.mu.Unlock()
}
// HasTraffic returns true if there is accumulated traffic to report.
func (t *Tracker) HasTraffic() bool {
return len(t.traffic) > 0
t.mu.Lock()
defer t.mu.Unlock()
return len(t.pendingTraffic) > 0
}
// FlushAliveIPs returns per-user alive IPs and resets the tracker.
// FlushAliveIPs returns per-user alive IPs.
// Reuses internal buffer to avoid allocation every 60s.
func (t *Tracker) FlushAliveIPs() map[int][]string {
data := make(map[int][]string, len(t.aliveIPs))
for uid, ips := range t.aliveIPs {
ipList := make([]string, 0, len(ips))
for ip := range ips {
ipList = append(ipList, ip)
}
data[uid] = ipList
s := t.live.Load()
t.mu.Lock()
defer t.mu.Unlock()
// Clear old buffer entries.
for k := range t.aliveIPsBuf {
delete(t.aliveIPsBuf, k)
}
t.aliveIPs = make(map[int]map[string]bool, len(t.aliveIPs))
return data
// Fill buffer from snapshot.
for uid, ips := range s.aliveIPs {
buf := t.aliveIPsBuf[uid]
if buf == nil {
buf = make([]string, 0, len(ips))
}
buf = buf[:0]
for ip := range ips {
buf = append(buf, ip)
}
t.aliveIPsBuf[uid] = buf
}
return t.aliveIPsBuf
}
// CurrentOnline returns a map of user_id to active connection count.
// CurrentOnline returns a snapshot copy of user_id → device count (distinct IPs).
// Lock-free: reads from live snapshot.
func (t *Tracker) CurrentOnline() map[int]int {
return t.online
s := t.live.Load()
cp := make(map[int]int, len(s.online))
for k, v := range s.online {
cp[k] = v
}
return cp
}
// RestoreAliveIPs merges alive IPs back in (used when push to panel fails).
// Note: this operates on the buffer, which will be overwritten next Process().
func (t *Tracker) RestoreAliveIPs(data map[int][]string) {
t.mu.Lock()
defer t.mu.Unlock()
for uid, ipList := range data {
ips := t.aliveIPs[uid]
ips := t.aliveIPsBuf[uid]
if ips == nil {
ips = make(map[string]bool, len(ipList))
t.aliveIPs[uid] = ips
ips = make([]string, 0, len(ipList))
}
for _, ip := range ipList {
if len(ips) < t.maxAliveIPsPerUser {
ips[ip] = true
// Dedup check
found := false
for _, existing := range ips {
if existing == ip {
found = true
break
}
}
if !found {
ips = append(ips, ip)
}
}
t.aliveIPsBuf[uid] = ips
}
}
// LogStats logs current tracking statistics.
// Lock-free: reads from live snapshot.
func (t *Tracker) LogStats() {
slog.Debug("tracker stats",
"active_connections", len(t.connState),
"users_with_traffic", len(t.traffic),
"users_with_ips", len(t.aliveIPs),
)
s := t.live.Load()
nlog.TrackerStats(s.connCount, len(s.online))
}
// ActiveConnections returns the last observed active connection count.
// This is cheap and safe because Tracker is only mutated from the service
// goroutine; reads happen from the same goroutine when pushing reports.
// Lock-free: reads from live snapshot.
func (t *Tracker) ActiveConnections() int {
return t.lastActiveConns
return t.live.Load().connCount
}
// TotalConnections returns the cumulative connection count since startup.
// TotalConnections is deprecated — no longer tracked per-connection.
// Returns 0 for backward compatibility.
func (t *Tracker) TotalConnections() int64 {
return t.totalConns
return 0
}
// InboundSpeed returns the last observed inbound (download) speed in bytes/second.
// Process() is called every 10 seconds, so we divide the 10-second total by 10.
// Lock-free: reads from live snapshot.
func (t *Tracker) InboundSpeed() int64 {
return t.inSpeed / 10
return t.live.Load().inSpeed / 10
}
// OutboundSpeed returns the last observed outbound (upload) speed in bytes/second.
// Process() is called every 10 seconds, so we divide the 10-second total by 10.
// Lock-free: reads from live snapshot.
func (t *Tracker) OutboundSpeed() int64 {
return t.outSpeed / 10
return t.live.Load().outSpeed / 10
}
// copyTrafficMap creates a shallow copy of the traffic map.
func copyTrafficMap(src map[int][2]int64) map[int][2]int64 {
dst := make(map[int][2]int64, len(src))
for k, v := range src {
dst[k] = v
}
return dst
}
+84 -130
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@@ -2,24 +2,26 @@ package tracker
import (
"testing"
"github.com/cedar2025/xboard-node/internal/kernel"
)
func TestProcess_InitialTraffic(t *testing.T) {
tr := New()
conns := []kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200, SourceIP: "1.1.1.1"},
{ID: "c2", UserID: 2, Upload: 50, Download: 80, SourceIP: "2.2.2.2"},
cumTraffic := map[int][2]int64{
1: {100, 200},
2: {50, 80},
}
interval := tr.Process(conns)
if interval[1] != [2]int64{100, 200} {
t.Errorf("user 1 interval: got %v", interval[1])
aliveIPs := map[int]map[string]bool{
1: {"1.1.1.1": true},
2: {"2.2.2.2": true},
}
if interval[2] != [2]int64{50, 80} {
t.Errorf("user 2 interval: got %v", interval[2])
tr.Process(cumTraffic, aliveIPs, 2)
flushed := tr.FlushTraffic()
if flushed[1] != [2]int64{100, 200} {
t.Errorf("user 1 traffic: got %v", flushed[1])
}
if flushed[2] != [2]int64{50, 80} {
t.Errorf("user 2 traffic: got %v", flushed[2])
}
}
@@ -27,18 +29,15 @@ func TestProcess_DeltaCalculation(t *testing.T) {
tr := New()
// First tick
conns := []kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
}
tr.Process(conns)
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
// Second tick — counters advanced
conns[0].Upload = 300
conns[0].Download = 500
interval := tr.Process(conns)
tr.Process(map[int][2]int64{1: {300, 500}}, nil, 1)
if interval[1] != [2]int64{200, 300} {
t.Errorf("delta: got %v, want [200,300]", interval[1])
flushed := tr.FlushTraffic()
// Total: first tick 100/200 + delta 200/300 = 300/500
if flushed[1] != [2]int64{300, 500} {
t.Errorf("accumulated: got %v, want [300,500]", flushed[1])
}
}
@@ -46,73 +45,52 @@ func TestProcess_CounterReset(t *testing.T) {
tr := New()
// First tick with high counters
conns := []kernel.Connection{
{ID: "c1", UserID: 1, Upload: 1000, Download: 2000},
}
tr.Process(conns)
tr.Process(map[int][2]int64{1: {1000, 2000}}, nil, 1)
tr.FlushTraffic() // clear accumulator
// Counter reset (new value < old value) — treat as fresh
conns[0].Upload = 50
conns[0].Download = 80
interval := tr.Process(conns)
tr.Process(map[int][2]int64{1: {50, 80}}, nil, 1)
if interval[1] != [2]int64{50, 80} {
t.Errorf("counter reset: got %v, want [50,80]", interval[1])
flushed := tr.FlushTraffic()
if flushed[1] != [2]int64{50, 80} {
t.Errorf("counter reset: got %v, want [50,80]", flushed[1])
}
}
func TestProcess_ConnectionCleanup(t *testing.T) {
func TestProcess_UserDisappears(t *testing.T) {
tr := New()
// Tick 1: connection exists
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
})
// Tick 1: user present
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
// Tick 2: connection gone — should clean up state
tr.Process([]kernel.Connection{})
// Tick 2: user gone
tr.Process(map[int][2]int64{}, nil, 0)
// Tick 3: same conn ID reappears — should count full bytes (not delta)
interval := tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 50, Download: 30},
})
// Tick 3: user reappears — should count full bytes (treated as new)
tr.Process(map[int][2]int64{1: {50, 30}}, nil, 1)
if interval[1] != [2]int64{50, 30} {
t.Errorf("after cleanup: got %v, want [50,30]", interval[1])
flushed := tr.FlushTraffic()
// First tick: 100/200, tick 2: 0, tick 3: 50/30 = total 150/230
if flushed[1] != [2]int64{150, 230} {
t.Errorf("after disappear: got %v, want [150,230]", flushed[1])
}
}
func TestProcess_ZeroUserID(t *testing.T) {
func TestProcess_ZeroTraffic(t *testing.T) {
tr := New()
interval := tr.Process([]kernel.Connection{
{ID: "c1", UserID: 0, Upload: 100, Download: 200},
})
tr.Process(map[int][2]int64{}, nil, 0)
if len(interval) != 0 {
t.Errorf("expected no interval traffic for userID=0, got %v", interval)
}
}
func TestProcess_MultipleConnectionsSameUser(t *testing.T) {
tr := New()
conns := []kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
{ID: "c2", UserID: 1, Upload: 50, Download: 80},
}
interval := tr.Process(conns)
if interval[1] != [2]int64{150, 280} {
t.Errorf("aggregated: got %v, want [150,280]", interval[1])
if tr.HasTraffic() {
t.Error("expected no traffic for empty input")
}
}
func TestFlushTraffic(t *testing.T) {
tr := New()
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
{ID: "c2", UserID: 2, Upload: 50, Download: 80},
})
tr.Process(map[int][2]int64{
1: {100, 200},
2: {50, 80},
}, nil, 2)
flushed := tr.FlushTraffic()
if flushed[1] != [2]int64{100, 200} {
@@ -134,15 +112,9 @@ func TestFlushTraffic(t *testing.T) {
func TestRestoreTraffic(t *testing.T) {
tr := New()
// Generate some traffic
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
})
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
flushed := tr.FlushTraffic()
// Restore (simulating failed push)
tr.RestoreTraffic(flushed)
if !tr.HasTraffic() {
@@ -158,27 +130,19 @@ func TestRestoreTraffic(t *testing.T) {
func TestRestoreTraffic_Additive(t *testing.T) {
tr := New()
// Generate traffic
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
})
// Generate more traffic
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 200, Download: 400},
})
// Two ticks accumulate
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
tr.Process(map[int][2]int64{1: {200, 400}}, nil, 1)
// Flush and restore
first := tr.FlushTraffic()
tr.RestoreTraffic(first)
// Generate additional traffic
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 250, Download: 500},
})
tr.Process(map[int][2]int64{1: {250, 500}}, nil, 1)
final := tr.FlushTraffic()
// Should be restored(200,400) + delta(50,100) = (250,500)
// Restored: 200/400 (initial 100/200 + delta 100/200) + new delta 50/100 = 250/500
if final[1][0] != 250 || final[1][1] != 500 {
t.Errorf("additive restore: got %v", final[1])
}
@@ -186,37 +150,37 @@ func TestRestoreTraffic_Additive(t *testing.T) {
func TestFlushAliveIPs(t *testing.T) {
tr := New()
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200, SourceIP: "1.1.1.1"},
{ID: "c2", UserID: 1, Upload: 50, Download: 80, SourceIP: "2.2.2.2"},
{ID: "c3", UserID: 2, Upload: 30, Download: 40, SourceIP: "3.3.3.3"},
})
aliveIPs := tr.FlushAliveIPs()
if len(aliveIPs[1]) != 2 {
t.Errorf("user 1 IPs: got %d, want 2", len(aliveIPs[1]))
aliveIPs := map[int]map[string]bool{
1: {"1.1.1.1": true, "2.2.2.2": true},
2: {"3.3.3.3": true},
}
if len(aliveIPs[2]) != 1 {
t.Errorf("user 2 IPs: got %d, want 1", len(aliveIPs[2]))
tr.Process(map[int][2]int64{1: {100, 200}, 2: {30, 40}}, aliveIPs, 3)
flushed := tr.FlushAliveIPs()
if len(flushed[1]) != 2 {
t.Errorf("user 1 IPs: got %d, want 2", len(flushed[1]))
}
if len(flushed[2]) != 1 {
t.Errorf("user 2 IPs: got %d, want 1", len(flushed[2]))
}
// After flush, should be empty
aliveIPs2 := tr.FlushAliveIPs()
if len(aliveIPs2) != 0 {
t.Errorf("expected empty after second flush, got %v", aliveIPs2)
// Without another Process call, aliveIPs still reflect last known state
flushed2 := tr.FlushAliveIPs()
if len(flushed2[1]) != 2 {
t.Errorf("expected same IPs without new Process, got %v", flushed2)
}
}
func TestFlushAliveIPs_DedupSameIP(t *testing.T) {
tr := New()
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200, SourceIP: "1.1.1.1"},
{ID: "c2", UserID: 1, Upload: 50, Download: 80, SourceIP: "1.1.1.1"},
})
aliveIPs := map[int]map[string]bool{
1: {"1.1.1.1": true},
}
tr.Process(map[int][2]int64{1: {100, 200}}, aliveIPs, 2)
aliveIPs := tr.FlushAliveIPs()
if len(aliveIPs[1]) != 1 {
t.Errorf("expected dedup to 1 IP, got %d", len(aliveIPs[1]))
flushed := tr.FlushAliveIPs()
if len(flushed[1]) != 1 {
t.Errorf("expected 1 IP, got %d", len(flushed[1]))
}
}
@@ -226,9 +190,7 @@ func TestHasTraffic(t *testing.T) {
t.Error("new tracker should not have traffic")
}
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
})
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
if !tr.HasTraffic() {
t.Error("should have traffic after process")
}
@@ -242,15 +204,13 @@ func TestHasTraffic(t *testing.T) {
func TestProcess_NoTrafficDelta(t *testing.T) {
tr := New()
conns := []kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
}
tr.Process(conns)
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
tr.FlushTraffic() // clear
// Same values — no delta
interval := tr.Process(conns)
if len(interval) != 0 {
t.Errorf("expected no interval traffic for zero delta, got %v", interval)
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
if tr.HasTraffic() {
t.Error("expected no traffic for zero delta")
}
}
@@ -258,17 +218,11 @@ func TestTrafficAccumulation(t *testing.T) {
tr := New()
// Tick 1
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 100, Download: 200},
})
// Tick 2
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 300, Download: 500},
})
// Tick 3
tr.Process([]kernel.Connection{
{ID: "c1", UserID: 1, Upload: 350, Download: 600},
})
tr.Process(map[int][2]int64{1: {100, 200}}, nil, 1)
// Tick 2 (cumulative 300, 500 → delta 200, 300)
tr.Process(map[int][2]int64{1: {300, 500}}, nil, 1)
// Tick 3 (cumulative 350, 600 → delta 50, 100)
tr.Process(map[int][2]int64{1: {350, 600}}, nil, 1)
flushed := tr.FlushTraffic()
// Total: 100+200+50 = 350 upload, 200+300+100 = 600 download