Add claude code multiplexer service
This commit is contained in:
世界
407
service/ccm/service_usage.go
Normal file
407
service/ccm/service_usage.go
Normal file
@@ -0,0 +1,407 @@
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package ccm
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import (
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"encoding/json"
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"math"
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"os"
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"regexp"
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"sync"
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"time"
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"github.com/sagernet/sing-box/log"
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E "github.com/sagernet/sing/common/exceptions"
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)
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type UsageStats struct {
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RequestCount int `json:"request_count"`
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MessagesCount int `json:"messages_count"`
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InputTokens int64 `json:"input_tokens"`
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OutputTokens int64 `json:"output_tokens"`
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CacheReadInputTokens int64 `json:"cache_read_input_tokens"`
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CacheCreationInputTokens int64 `json:"cache_creation_input_tokens"`
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}
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type CostCombination struct {
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Model string `json:"model"`
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ContextWindow int `json:"context_window"`
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Total UsageStats `json:"total"`
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ByUser map[string]UsageStats `json:"by_user"`
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}
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type AggregatedUsage struct {
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LastUpdated time.Time `json:"last_updated"`
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Combinations []CostCombination `json:"combinations"`
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mutex sync.Mutex
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filePath string
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logger log.ContextLogger
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lastSaveTime time.Time
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pendingSave bool
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saveTimer *time.Timer
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saveMutex sync.Mutex
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}
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type UsageStatsJSON struct {
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RequestCount int `json:"request_count"`
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MessagesCount int `json:"messages_count"`
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InputTokens int64 `json:"input_tokens"`
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OutputTokens int64 `json:"output_tokens"`
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CacheReadInputTokens int64 `json:"cache_read_input_tokens"`
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CacheCreationInputTokens int64 `json:"cache_creation_input_tokens"`
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CostUSD float64 `json:"cost_usd"`
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}
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type CostCombinationJSON struct {
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Model string `json:"model"`
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ContextWindow int `json:"context_window"`
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Total UsageStatsJSON `json:"total"`
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ByUser map[string]UsageStatsJSON `json:"by_user"`
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}
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type CostsSummaryJSON struct {
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TotalUSD float64 `json:"total_usd"`
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ByUser map[string]float64 `json:"by_user"`
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}
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type AggregatedUsageJSON struct {
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LastUpdated time.Time `json:"last_updated"`
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Costs CostsSummaryJSON `json:"costs"`
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Combinations []CostCombinationJSON `json:"combinations"`
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}
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type ModelPricing struct {
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InputPrice float64
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OutputPrice float64
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CacheReadPrice float64
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CacheWritePrice float64
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}
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type modelFamily struct {
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pattern *regexp.Regexp
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standardPricing ModelPricing
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premiumPricing *ModelPricing
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}
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var (
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opus4Pricing = ModelPricing{
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InputPrice: 15.0,
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OutputPrice: 75.0,
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CacheReadPrice: 1.5,
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CacheWritePrice: 18.75,
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}
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sonnet4StandardPricing = ModelPricing{
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InputPrice: 3.0,
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OutputPrice: 15.0,
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CacheReadPrice: 0.3,
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CacheWritePrice: 3.75,
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}
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sonnet4PremiumPricing = ModelPricing{
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InputPrice: 6.0,
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OutputPrice: 22.5,
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CacheReadPrice: 0.6,
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CacheWritePrice: 7.5,
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}
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haiku4Pricing = ModelPricing{
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InputPrice: 1.0,
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OutputPrice: 5.0,
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CacheReadPrice: 0.1,
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CacheWritePrice: 1.25,
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}
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haiku35Pricing = ModelPricing{
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InputPrice: 0.8,
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OutputPrice: 4.0,
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CacheReadPrice: 0.08,
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CacheWritePrice: 1.0,
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}
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sonnet35Pricing = ModelPricing{
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InputPrice: 3.0,
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OutputPrice: 15.0,
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CacheReadPrice: 0.3,
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CacheWritePrice: 3.75,
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}
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modelFamilies = []modelFamily{
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{
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pattern: regexp.MustCompile(`^claude-(?:opus-4-|4-opus-|opus-4-1-)`),
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standardPricing: opus4Pricing,
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premiumPricing: nil,
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},
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{
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pattern: regexp.MustCompile(`^claude-3-7-sonnet-`),
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standardPricing: sonnet4StandardPricing,
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premiumPricing: &sonnet4PremiumPricing,
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},
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{
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pattern: regexp.MustCompile(`^claude-(?:sonnet-4-|4-sonnet-)`),
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standardPricing: sonnet4StandardPricing,
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premiumPricing: &sonnet4PremiumPricing,
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},
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{
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pattern: regexp.MustCompile(`^claude-haiku-4-`),
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standardPricing: haiku4Pricing,
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premiumPricing: nil,
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},
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{
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pattern: regexp.MustCompile(`^claude-3-5-haiku-`),
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standardPricing: haiku35Pricing,
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premiumPricing: nil,
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},
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{
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pattern: regexp.MustCompile(`^claude-3-5-sonnet-`),
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standardPricing: sonnet35Pricing,
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premiumPricing: nil,
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},
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}
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)
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func getPricing(model string, contextWindow int) ModelPricing {
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isPremium := contextWindow >= contextWindowPremium
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for _, family := range modelFamilies {
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if family.pattern.MatchString(model) {
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if isPremium && family.premiumPricing != nil {
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return *family.premiumPricing
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}
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return family.standardPricing
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}
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}
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return sonnet4StandardPricing
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}
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func calculateCost(stats UsageStats, model string, contextWindow int) float64 {
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pricing := getPricing(model, contextWindow)
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cost := (float64(stats.InputTokens)*pricing.InputPrice +
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float64(stats.OutputTokens)*pricing.OutputPrice +
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float64(stats.CacheReadInputTokens)*pricing.CacheReadPrice +
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float64(stats.CacheCreationInputTokens)*pricing.CacheWritePrice) / 1_000_000
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return math.Round(cost*100) / 100
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}
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func (u *AggregatedUsage) ToJSON() *AggregatedUsageJSON {
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u.mutex.Lock()
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defer u.mutex.Unlock()
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result := &AggregatedUsageJSON{
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LastUpdated: u.LastUpdated,
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Combinations: make([]CostCombinationJSON, len(u.Combinations)),
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Costs: CostsSummaryJSON{
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TotalUSD: 0,
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ByUser: make(map[string]float64),
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},
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}
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for i, combo := range u.Combinations {
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totalCost := calculateCost(combo.Total, combo.Model, combo.ContextWindow)
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result.Costs.TotalUSD += totalCost
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comboJSON := CostCombinationJSON{
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Model: combo.Model,
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ContextWindow: combo.ContextWindow,
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Total: UsageStatsJSON{
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RequestCount: combo.Total.RequestCount,
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MessagesCount: combo.Total.MessagesCount,
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InputTokens: combo.Total.InputTokens,
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OutputTokens: combo.Total.OutputTokens,
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CacheReadInputTokens: combo.Total.CacheReadInputTokens,
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CacheCreationInputTokens: combo.Total.CacheCreationInputTokens,
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CostUSD: totalCost,
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},
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ByUser: make(map[string]UsageStatsJSON),
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}
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for user, userStats := range combo.ByUser {
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userCost := calculateCost(userStats, combo.Model, combo.ContextWindow)
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result.Costs.ByUser[user] += userCost
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comboJSON.ByUser[user] = UsageStatsJSON{
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RequestCount: userStats.RequestCount,
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MessagesCount: userStats.MessagesCount,
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InputTokens: userStats.InputTokens,
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OutputTokens: userStats.OutputTokens,
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CacheReadInputTokens: userStats.CacheReadInputTokens,
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CacheCreationInputTokens: userStats.CacheCreationInputTokens,
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CostUSD: userCost,
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}
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}
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result.Combinations[i] = comboJSON
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}
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result.Costs.TotalUSD = math.Round(result.Costs.TotalUSD*100) / 100
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for user, cost := range result.Costs.ByUser {
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result.Costs.ByUser[user] = math.Round(cost*100) / 100
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}
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return result
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}
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func (u *AggregatedUsage) Load() error {
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u.mutex.Lock()
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defer u.mutex.Unlock()
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data, err := os.ReadFile(u.filePath)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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var temp struct {
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LastUpdated time.Time `json:"last_updated"`
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Combinations []CostCombination `json:"combinations"`
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}
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err = json.Unmarshal(data, &temp)
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if err != nil {
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return err
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}
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u.LastUpdated = temp.LastUpdated
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u.Combinations = temp.Combinations
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for i := range u.Combinations {
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if u.Combinations[i].ByUser == nil {
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u.Combinations[i].ByUser = make(map[string]UsageStats)
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}
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}
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return nil
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}
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func (u *AggregatedUsage) Save() error {
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jsonData := u.ToJSON()
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data, err := json.MarshalIndent(jsonData, "", " ")
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if err != nil {
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return err
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}
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tmpFile := u.filePath + ".tmp"
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err = os.WriteFile(tmpFile, data, 0o644)
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if err != nil {
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return err
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}
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defer os.Remove(tmpFile)
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err = os.Rename(tmpFile, u.filePath)
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if err == nil {
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u.saveMutex.Lock()
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u.lastSaveTime = time.Now()
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u.saveMutex.Unlock()
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}
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return err
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}
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func (u *AggregatedUsage) AddUsage(model string, contextWindow int, messagesCount int, inputTokens, outputTokens, cacheReadTokens, cacheCreationTokens int64, user string) error {
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if model == "" {
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return E.New("model cannot be empty")
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}
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if contextWindow <= 0 {
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return E.New("contextWindow must be positive")
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}
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u.mutex.Lock()
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defer u.mutex.Unlock()
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u.LastUpdated = time.Now()
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// Find or create combination
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var combo *CostCombination
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for i := range u.Combinations {
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if u.Combinations[i].Model == model && u.Combinations[i].ContextWindow == contextWindow {
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combo = &u.Combinations[i]
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break
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}
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}
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if combo == nil {
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newCombo := CostCombination{
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Model: model,
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ContextWindow: contextWindow,
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Total: UsageStats{},
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ByUser: make(map[string]UsageStats),
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}
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u.Combinations = append(u.Combinations, newCombo)
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combo = &u.Combinations[len(u.Combinations)-1]
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}
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// Update total stats
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combo.Total.RequestCount++
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combo.Total.MessagesCount += messagesCount
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combo.Total.InputTokens += inputTokens
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combo.Total.OutputTokens += outputTokens
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combo.Total.CacheReadInputTokens += cacheReadTokens
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combo.Total.CacheCreationInputTokens += cacheCreationTokens
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// Update per-user stats if user is specified
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if user != "" {
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userStats := combo.ByUser[user]
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userStats.RequestCount++
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userStats.MessagesCount += messagesCount
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userStats.InputTokens += inputTokens
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userStats.OutputTokens += outputTokens
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userStats.CacheReadInputTokens += cacheReadTokens
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userStats.CacheCreationInputTokens += cacheCreationTokens
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combo.ByUser[user] = userStats
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}
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go u.scheduleSave()
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return nil
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}
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func (u *AggregatedUsage) scheduleSave() {
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const saveInterval = time.Minute
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u.saveMutex.Lock()
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defer u.saveMutex.Unlock()
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timeSinceLastSave := time.Since(u.lastSaveTime)
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if timeSinceLastSave >= saveInterval {
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go u.saveAsync()
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return
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}
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if u.pendingSave {
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return
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}
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u.pendingSave = true
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remainingTime := saveInterval - timeSinceLastSave
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u.saveTimer = time.AfterFunc(remainingTime, func() {
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u.saveMutex.Lock()
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u.pendingSave = false
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u.saveMutex.Unlock()
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u.saveAsync()
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})
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}
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func (u *AggregatedUsage) saveAsync() {
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err := u.Save()
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if err != nil {
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if u.logger != nil {
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u.logger.Error("save usage statistics: ", err)
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}
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}
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}
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func (u *AggregatedUsage) cancelPendingSave() {
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u.saveMutex.Lock()
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defer u.saveMutex.Unlock()
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if u.saveTimer != nil {
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u.saveTimer.Stop()
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u.saveTimer = nil
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}
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u.pendingSave = false
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}
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