446 lines
9.3 KiB
Go
446 lines
9.3 KiB
Go
package ocm
|
|
|
|
import (
|
|
"encoding/json"
|
|
"math"
|
|
"os"
|
|
"regexp"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/sagernet/sing-box/log"
|
|
E "github.com/sagernet/sing/common/exceptions"
|
|
)
|
|
|
|
type UsageStats struct {
|
|
RequestCount int `json:"request_count"`
|
|
InputTokens int64 `json:"input_tokens"`
|
|
OutputTokens int64 `json:"output_tokens"`
|
|
CachedTokens int64 `json:"cached_tokens"`
|
|
}
|
|
|
|
func (u *UsageStats) UnmarshalJSON(data []byte) error {
|
|
type Alias UsageStats
|
|
aux := &struct {
|
|
*Alias
|
|
PromptTokens int64 `json:"prompt_tokens"`
|
|
CompletionTokens int64 `json:"completion_tokens"`
|
|
}{
|
|
Alias: (*Alias)(u),
|
|
}
|
|
err := json.Unmarshal(data, aux)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if u.InputTokens == 0 && aux.PromptTokens > 0 {
|
|
u.InputTokens = aux.PromptTokens
|
|
}
|
|
if u.OutputTokens == 0 && aux.CompletionTokens > 0 {
|
|
u.OutputTokens = aux.CompletionTokens
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type CostCombination struct {
|
|
Model string `json:"model"`
|
|
Total UsageStats `json:"total"`
|
|
ByUser map[string]UsageStats `json:"by_user"`
|
|
}
|
|
|
|
type AggregatedUsage struct {
|
|
LastUpdated time.Time `json:"last_updated"`
|
|
Combinations []CostCombination `json:"combinations"`
|
|
mutex sync.Mutex
|
|
filePath string
|
|
logger log.ContextLogger
|
|
lastSaveTime time.Time
|
|
pendingSave bool
|
|
saveTimer *time.Timer
|
|
saveMutex sync.Mutex
|
|
}
|
|
|
|
type UsageStatsJSON struct {
|
|
RequestCount int `json:"request_count"`
|
|
InputTokens int64 `json:"input_tokens"`
|
|
OutputTokens int64 `json:"output_tokens"`
|
|
CachedTokens int64 `json:"cached_tokens"`
|
|
CostUSD float64 `json:"cost_usd"`
|
|
}
|
|
|
|
type CostCombinationJSON struct {
|
|
Model string `json:"model"`
|
|
Total UsageStatsJSON `json:"total"`
|
|
ByUser map[string]UsageStatsJSON `json:"by_user"`
|
|
}
|
|
|
|
type CostsSummaryJSON struct {
|
|
TotalUSD float64 `json:"total_usd"`
|
|
ByUser map[string]float64 `json:"by_user"`
|
|
}
|
|
|
|
type AggregatedUsageJSON struct {
|
|
LastUpdated time.Time `json:"last_updated"`
|
|
Costs CostsSummaryJSON `json:"costs"`
|
|
Combinations []CostCombinationJSON `json:"combinations"`
|
|
}
|
|
|
|
type ModelPricing struct {
|
|
InputPrice float64
|
|
OutputPrice float64
|
|
CachedInputPrice float64
|
|
}
|
|
|
|
type modelFamily struct {
|
|
pattern *regexp.Regexp
|
|
pricing ModelPricing
|
|
}
|
|
|
|
var (
|
|
gpt4oPricing = ModelPricing{
|
|
InputPrice: 2.5,
|
|
OutputPrice: 10.0,
|
|
CachedInputPrice: 1.25,
|
|
}
|
|
|
|
gpt4oMiniPricing = ModelPricing{
|
|
InputPrice: 0.15,
|
|
OutputPrice: 0.6,
|
|
CachedInputPrice: 0.075,
|
|
}
|
|
|
|
gpt4oAudioPricing = ModelPricing{
|
|
InputPrice: 2.5,
|
|
OutputPrice: 10.0,
|
|
CachedInputPrice: 1.25,
|
|
}
|
|
|
|
o1Pricing = ModelPricing{
|
|
InputPrice: 15.0,
|
|
OutputPrice: 60.0,
|
|
CachedInputPrice: 7.5,
|
|
}
|
|
|
|
o1MiniPricing = ModelPricing{
|
|
InputPrice: 1.1,
|
|
OutputPrice: 4.4,
|
|
CachedInputPrice: 0.55,
|
|
}
|
|
|
|
o3MiniPricing = ModelPricing{
|
|
InputPrice: 1.1,
|
|
OutputPrice: 4.4,
|
|
CachedInputPrice: 0.55,
|
|
}
|
|
|
|
o3Pricing = ModelPricing{
|
|
InputPrice: 2.0,
|
|
OutputPrice: 8.0,
|
|
CachedInputPrice: 1.0,
|
|
}
|
|
|
|
o4MiniPricing = ModelPricing{
|
|
InputPrice: 1.1,
|
|
OutputPrice: 4.4,
|
|
CachedInputPrice: 0.55,
|
|
}
|
|
|
|
gpt41Pricing = ModelPricing{
|
|
InputPrice: 2.0,
|
|
OutputPrice: 8.0,
|
|
CachedInputPrice: 0.5,
|
|
}
|
|
|
|
gpt41MiniPricing = ModelPricing{
|
|
InputPrice: 0.4,
|
|
OutputPrice: 1.6,
|
|
CachedInputPrice: 0.1,
|
|
}
|
|
|
|
gpt41NanoPricing = ModelPricing{
|
|
InputPrice: 0.1,
|
|
OutputPrice: 0.4,
|
|
CachedInputPrice: 0.025,
|
|
}
|
|
|
|
modelFamilies = []modelFamily{
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4\.1-nano`),
|
|
pricing: gpt41NanoPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4\.1-mini`),
|
|
pricing: gpt41MiniPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4\.1`),
|
|
pricing: gpt41Pricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^o4-mini`),
|
|
pricing: o4MiniPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^o3-mini`),
|
|
pricing: o3MiniPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^o3`),
|
|
pricing: o3Pricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^o1-mini`),
|
|
pricing: o1MiniPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^o1`),
|
|
pricing: o1Pricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4o-audio`),
|
|
pricing: gpt4oAudioPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4o-mini`),
|
|
pricing: gpt4oMiniPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^gpt-4o`),
|
|
pricing: gpt4oPricing,
|
|
},
|
|
{
|
|
pattern: regexp.MustCompile(`^chatgpt-4o`),
|
|
pricing: gpt4oPricing,
|
|
},
|
|
}
|
|
)
|
|
|
|
func getPricing(model string) ModelPricing {
|
|
for _, family := range modelFamilies {
|
|
if family.pattern.MatchString(model) {
|
|
return family.pricing
|
|
}
|
|
}
|
|
return gpt4oPricing
|
|
}
|
|
|
|
func calculateCost(stats UsageStats, model string) float64 {
|
|
pricing := getPricing(model)
|
|
|
|
regularInputTokens := stats.InputTokens - stats.CachedTokens
|
|
if regularInputTokens < 0 {
|
|
regularInputTokens = 0
|
|
}
|
|
|
|
cost := (float64(regularInputTokens)*pricing.InputPrice +
|
|
float64(stats.OutputTokens)*pricing.OutputPrice +
|
|
float64(stats.CachedTokens)*pricing.CachedInputPrice) / 1_000_000
|
|
|
|
return math.Round(cost*100) / 100
|
|
}
|
|
|
|
func (u *AggregatedUsage) ToJSON() *AggregatedUsageJSON {
|
|
u.mutex.Lock()
|
|
defer u.mutex.Unlock()
|
|
|
|
result := &AggregatedUsageJSON{
|
|
LastUpdated: u.LastUpdated,
|
|
Combinations: make([]CostCombinationJSON, len(u.Combinations)),
|
|
Costs: CostsSummaryJSON{
|
|
TotalUSD: 0,
|
|
ByUser: make(map[string]float64),
|
|
},
|
|
}
|
|
|
|
for i, combo := range u.Combinations {
|
|
totalCost := calculateCost(combo.Total, combo.Model)
|
|
|
|
result.Costs.TotalUSD += totalCost
|
|
|
|
comboJSON := CostCombinationJSON{
|
|
Model: combo.Model,
|
|
Total: UsageStatsJSON{
|
|
RequestCount: combo.Total.RequestCount,
|
|
InputTokens: combo.Total.InputTokens,
|
|
OutputTokens: combo.Total.OutputTokens,
|
|
CachedTokens: combo.Total.CachedTokens,
|
|
CostUSD: totalCost,
|
|
},
|
|
ByUser: make(map[string]UsageStatsJSON),
|
|
}
|
|
|
|
for user, userStats := range combo.ByUser {
|
|
userCost := calculateCost(userStats, combo.Model)
|
|
result.Costs.ByUser[user] += userCost
|
|
|
|
comboJSON.ByUser[user] = UsageStatsJSON{
|
|
RequestCount: userStats.RequestCount,
|
|
InputTokens: userStats.InputTokens,
|
|
OutputTokens: userStats.OutputTokens,
|
|
CachedTokens: userStats.CachedTokens,
|
|
CostUSD: userCost,
|
|
}
|
|
}
|
|
|
|
result.Combinations[i] = comboJSON
|
|
}
|
|
|
|
result.Costs.TotalUSD = math.Round(result.Costs.TotalUSD*100) / 100
|
|
for user, cost := range result.Costs.ByUser {
|
|
result.Costs.ByUser[user] = math.Round(cost*100) / 100
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func (u *AggregatedUsage) Load() error {
|
|
u.mutex.Lock()
|
|
defer u.mutex.Unlock()
|
|
|
|
data, err := os.ReadFile(u.filePath)
|
|
if err != nil {
|
|
if os.IsNotExist(err) {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
var temp struct {
|
|
LastUpdated time.Time `json:"last_updated"`
|
|
Combinations []CostCombination `json:"combinations"`
|
|
}
|
|
|
|
err = json.Unmarshal(data, &temp)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
u.LastUpdated = temp.LastUpdated
|
|
u.Combinations = temp.Combinations
|
|
|
|
for i := range u.Combinations {
|
|
if u.Combinations[i].ByUser == nil {
|
|
u.Combinations[i].ByUser = make(map[string]UsageStats)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (u *AggregatedUsage) Save() error {
|
|
jsonData := u.ToJSON()
|
|
|
|
data, err := json.MarshalIndent(jsonData, "", " ")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
tmpFile := u.filePath + ".tmp"
|
|
err = os.WriteFile(tmpFile, data, 0o644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer os.Remove(tmpFile)
|
|
err = os.Rename(tmpFile, u.filePath)
|
|
if err == nil {
|
|
u.saveMutex.Lock()
|
|
u.lastSaveTime = time.Now()
|
|
u.saveMutex.Unlock()
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (u *AggregatedUsage) AddUsage(model string, inputTokens, outputTokens, cachedTokens int64, user string) error {
|
|
if model == "" {
|
|
return E.New("model cannot be empty")
|
|
}
|
|
|
|
u.mutex.Lock()
|
|
defer u.mutex.Unlock()
|
|
|
|
u.LastUpdated = time.Now()
|
|
|
|
var combo *CostCombination
|
|
for i := range u.Combinations {
|
|
if u.Combinations[i].Model == model {
|
|
combo = &u.Combinations[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
if combo == nil {
|
|
newCombo := CostCombination{
|
|
Model: model,
|
|
Total: UsageStats{},
|
|
ByUser: make(map[string]UsageStats),
|
|
}
|
|
u.Combinations = append(u.Combinations, newCombo)
|
|
combo = &u.Combinations[len(u.Combinations)-1]
|
|
}
|
|
|
|
combo.Total.RequestCount++
|
|
combo.Total.InputTokens += inputTokens
|
|
combo.Total.OutputTokens += outputTokens
|
|
combo.Total.CachedTokens += cachedTokens
|
|
|
|
if user != "" {
|
|
userStats := combo.ByUser[user]
|
|
userStats.RequestCount++
|
|
userStats.InputTokens += inputTokens
|
|
userStats.OutputTokens += outputTokens
|
|
userStats.CachedTokens += cachedTokens
|
|
combo.ByUser[user] = userStats
|
|
}
|
|
|
|
go u.scheduleSave()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (u *AggregatedUsage) scheduleSave() {
|
|
const saveInterval = time.Minute
|
|
|
|
u.saveMutex.Lock()
|
|
defer u.saveMutex.Unlock()
|
|
|
|
timeSinceLastSave := time.Since(u.lastSaveTime)
|
|
|
|
if timeSinceLastSave >= saveInterval {
|
|
go u.saveAsync()
|
|
return
|
|
}
|
|
|
|
if u.pendingSave {
|
|
return
|
|
}
|
|
|
|
u.pendingSave = true
|
|
remainingTime := saveInterval - timeSinceLastSave
|
|
|
|
u.saveTimer = time.AfterFunc(remainingTime, func() {
|
|
u.saveMutex.Lock()
|
|
u.pendingSave = false
|
|
u.saveMutex.Unlock()
|
|
u.saveAsync()
|
|
})
|
|
}
|
|
|
|
func (u *AggregatedUsage) saveAsync() {
|
|
err := u.Save()
|
|
if err != nil {
|
|
if u.logger != nil {
|
|
u.logger.Error("save usage statistics: ", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (u *AggregatedUsage) cancelPendingSave() {
|
|
u.saveMutex.Lock()
|
|
defer u.saveMutex.Unlock()
|
|
|
|
if u.saveTimer != nil {
|
|
u.saveTimer.Stop()
|
|
u.saveTimer = nil
|
|
}
|
|
u.pendingSave = false
|
|
}
|