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perf(watcher): Avoid unnecessary auth dir scan on config reload

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This commit is contained in:
hkfires
2025-09-27 08:43:06 +08:00
parent b56edd4db0
commit afff9216ea
1 changed files with 37 additions and 23 deletions
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60
internal/watcher/watcher.go
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@@ -145,7 +145,7 @@ func (w *Watcher) Start(ctx context.Context) error {
go w.processEvents(ctx)
// Perform an initial full reload based on current config and auth dir
w.reloadClients()
w.reloadClients(true)
return nil
}
@@ -532,14 +532,16 @@ func (w *Watcher) reloadConfig() bool {
}
}
authDirChanged := oldConfig == nil || oldConfig.AuthDir != newConfig.AuthDir
log.Infof("config successfully reloaded, triggering client reload")
// Reload clients with new config
w.reloadClients()
w.reloadClients(authDirChanged)
return true
}
// reloadClients performs a full scan and reload of all clients.
func (w *Watcher) reloadClients() {
func (w *Watcher) reloadClients(rescanAuth bool) {
log.Debugf("starting full client reload process")
w.clientsMutex.RLock()
@@ -556,33 +558,45 @@ func (w *Watcher) reloadClients() {
// Create new API key clients based on the new config
glAPIKeyCount, claudeAPIKeyCount, codexAPIKeyCount, openAICompatCount := BuildAPIKeyClients(cfg)
log.Debugf("created %d new API key clients", 0)
totalAPIKeyClients := glAPIKeyCount + claudeAPIKeyCount + codexAPIKeyCount + openAICompatCount
log.Debugf("created %d new API key clients", totalAPIKeyClients)
// Load file-based clients
authFileCount := w.loadFileClients(cfg)
log.Debugf("loaded %d new file-based clients", 0)
var authFileCount int
if rescanAuth {
// Load file-based clients when explicitly requested (startup or authDir change)
authFileCount = w.loadFileClients(cfg)
log.Debugf("loaded %d new file-based clients", authFileCount)
} else {
// Preserve existing auth hashes and only report current known count to avoid redundant scans.
w.clientsMutex.RLock()
authFileCount = len(w.lastAuthHashes)
w.clientsMutex.RUnlock()
log.Debugf("skipping auth directory rescan; retaining %d existing auth files", authFileCount)
}
// no legacy file-based clients to unregister
// Update client maps
w.clientsMutex.Lock()
if rescanAuth {
w.clientsMutex.Lock()
// Rebuild auth file hash cache for current clients
w.lastAuthHashes = make(map[string]string)
// Recompute hashes for current auth files
_ = filepath.Walk(cfg.AuthDir, func(path string, info fs.FileInfo, err error) error {
if err != nil {
return nil
}
if !info.IsDir() && strings.HasSuffix(strings.ToLower(info.Name()), ".json") {
if data, errReadFile := os.ReadFile(path); errReadFile == nil && len(data) > 0 {
sum := sha256.Sum256(data)
w.lastAuthHashes[path] = hex.EncodeToString(sum[:])
// Rebuild auth file hash cache for current clients
w.lastAuthHashes = make(map[string]string)
// Recompute hashes for current auth files
_ = filepath.Walk(cfg.AuthDir, func(path string, info fs.FileInfo, err error) error {
if err != nil {
return nil
}
}
return nil
})
w.clientsMutex.Unlock()
if !info.IsDir() && strings.HasSuffix(strings.ToLower(info.Name()), ".json") {
if data, errReadFile := os.ReadFile(path); errReadFile == nil && len(data) > 0 {
sum := sha256.Sum256(data)
w.lastAuthHashes[path] = hex.EncodeToString(sum[:])
}
}
return nil
})
w.clientsMutex.Unlock()
}
totalNewClients := authFileCount + glAPIKeyCount + claudeAPIKeyCount + codexAPIKeyCount + openAICompatCount