683 lines
18 KiB
Go
683 lines
18 KiB
Go
package pluginhost
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import (
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"context"
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"fmt"
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"path/filepath"
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"sort"
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"strings"
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"sync"
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"sync/atomic"
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"github.com/router-for-me/CLIProxyAPI/v7/internal/config"
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"github.com/router-for-me/CLIProxyAPI/v7/internal/interfaces"
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"github.com/router-for-me/CLIProxyAPI/v7/sdk/api/handlers"
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coreauth "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/auth"
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"github.com/router-for-me/CLIProxyAPI/v7/sdk/pluginabi"
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"github.com/router-for-me/CLIProxyAPI/v7/sdk/pluginapi"
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log "github.com/sirupsen/logrus"
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)
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type loadedPlugin struct {
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id string
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path string
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version string
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name string
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registered bool
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client pluginClient
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}
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type modelExecutor interface {
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ExecuteModel(context.Context, handlers.ModelExecutionRequest) (handlers.ModelExecutionResponse, *interfaces.ErrorMessage)
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ExecuteModelStream(context.Context, handlers.ModelExecutionRequest) (handlers.ModelExecutionStream, *interfaces.ErrorMessage)
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}
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type pluginUnloadTarget struct {
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id string
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name string
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path string
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version string
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client pluginClient
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}
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type Host struct {
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applyMu sync.Mutex
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mu sync.Mutex
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loader pluginLoader
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loaded map[string]*loadedPlugin
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retired map[string][]*loadedPlugin
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loading map[string]struct{}
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fused map[string]string
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pluginFileVersions map[string]string
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activePluginVersions map[string]string
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activePluginPaths map[string]string
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cleanupFilesPending bool
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runtimeConfig *config.Config
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authManager *coreauth.Manager
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modelExecutor modelExecutor
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modelClientIDs map[string]struct{}
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executorModelClientIDs map[string]struct{}
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modelProviders map[string]string
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modelRegistrations map[string]pluginModelRegistration
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providerModels map[string][]*registryModelInfo
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executorProviders map[string]struct{}
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accessProviderKeys map[string]struct{}
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commandLineFlags map[string]commandLineFlagRecord
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commandLineHits map[string]struct{}
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managementRoutes map[string]managementRouteRecord
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resourceRoutes map[string]resourceRouteRecord
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streams *streamBridge
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httpStreams *hostHTTPStreamBridge
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modelStreams *modelStreamBridge
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callbackContexts *callbackContextRegistry
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snapshot atomic.Value
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}
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func New() *Host {
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h := &Host{
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loader: defaultPluginLoader(),
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loaded: make(map[string]*loadedPlugin),
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retired: make(map[string][]*loadedPlugin),
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loading: make(map[string]struct{}),
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fused: make(map[string]string),
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pluginFileVersions: make(map[string]string),
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activePluginVersions: make(map[string]string),
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activePluginPaths: make(map[string]string),
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cleanupFilesPending: true,
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modelClientIDs: make(map[string]struct{}),
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executorModelClientIDs: make(map[string]struct{}),
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modelProviders: make(map[string]string),
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modelRegistrations: make(map[string]pluginModelRegistration),
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providerModels: make(map[string][]*registryModelInfo),
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executorProviders: make(map[string]struct{}),
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accessProviderKeys: make(map[string]struct{}),
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commandLineFlags: make(map[string]commandLineFlagRecord),
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commandLineHits: make(map[string]struct{}),
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managementRoutes: make(map[string]managementRouteRecord),
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resourceRoutes: make(map[string]resourceRouteRecord),
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streams: newStreamBridge(),
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httpStreams: newHostHTTPStreamBridge(),
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modelStreams: newModelStreamBridge(),
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callbackContexts: newCallbackContextRegistry(),
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}
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h.snapshot.Store(emptySnapshot())
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return h
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}
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func NewForTest(loader pluginLoader) *Host {
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h := New()
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h.loader = loader
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return h
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}
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func (h *Host) SetModelExecutor(executor modelExecutor) {
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if h == nil {
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return
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}
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h.mu.Lock()
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h.modelExecutor = executor
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h.mu.Unlock()
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}
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func (h *Host) currentModelExecutor() modelExecutor {
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if h == nil {
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return nil
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}
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h.mu.Lock()
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executor := h.modelExecutor
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h.mu.Unlock()
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return executor
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}
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func (h *Host) Snapshot() *Snapshot {
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if h == nil {
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return emptySnapshot()
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}
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raw := h.snapshot.Load()
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if snap, ok := raw.(*Snapshot); ok && snap != nil {
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return snap
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}
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return emptySnapshot()
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}
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// PluginLoaded reports whether a plugin dynamic library is still loaded by the host.
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func (h *Host) PluginLoaded(id string) bool {
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if h == nil {
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return false
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}
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id = strings.TrimSpace(id)
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if id == "" {
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return false
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}
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h.mu.Lock()
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defer h.mu.Unlock()
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_, ok := h.loaded[id]
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if ok {
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return true
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}
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return len(h.retired[id]) > 0
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}
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// PluginBusy reports whether a plugin dynamic library is loaded or being loaded.
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func (h *Host) PluginBusy(id string) bool {
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if h == nil {
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return false
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}
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id = strings.TrimSpace(id)
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if id == "" {
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return false
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}
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h.mu.Lock()
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defer h.mu.Unlock()
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if _, ok := h.loaded[id]; ok {
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return true
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}
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if len(h.retired[id]) > 0 {
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return true
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}
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_, ok := h.loading[id]
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return ok
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}
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func (h *Host) ApplyConfig(ctx context.Context, cfg *config.Config) {
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if h == nil {
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return
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}
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h.applyMu.Lock()
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defer h.applyMu.Unlock()
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rc := runtimeConfigFromConfig(cfg)
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h.mu.Lock()
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h.runtimeConfig = cfg
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h.mu.Unlock()
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if !rc.Enabled {
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h.mu.Lock()
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h.managementRoutes = make(map[string]managementRouteRecord)
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h.resourceRoutes = make(map[string]resourceRouteRecord)
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h.rebuildActivePluginMapsLocked(nil)
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h.snapshot.Store(emptySnapshot())
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h.mu.Unlock()
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h.refreshThinkingProviders(nil)
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return
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}
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desiredVersions := desiredPluginVersions(rc.Items)
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files, errSelect := selectPluginFiles(rc.Dir, desiredVersions)
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if errSelect != nil {
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log.Warnf("pluginhost: failed to select plugin files: %v", errSelect)
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h.mu.Lock()
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h.managementRoutes = make(map[string]managementRouteRecord)
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h.resourceRoutes = make(map[string]resourceRouteRecord)
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h.rebuildActivePluginMapsLocked(nil)
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h.snapshot.Store(emptySnapshot())
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h.mu.Unlock()
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h.refreshThinkingProviders(nil)
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return
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}
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files = h.withLoadedPluginFallbacks(files, rc.Items, desiredVersions)
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records := make([]capabilityRecord, 0, len(files))
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loadedFiles := make([]pluginFile, 0, len(files))
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hotReloadLogs := make([]log.Fields, 0)
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for _, file := range files {
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item, ok := rc.Items[file.ID]
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if !ok {
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item = defaultRuntimeItemConfig(file.ID)
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}
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if !item.Enabled {
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continue
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}
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h.mu.Lock()
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lp := h.loaded[file.ID]
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var replaced *loadedPlugin
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if lp != nil && cleanPluginPath(lp.path) != cleanPluginPath(file.Path) {
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replaced = lp
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lp = nil
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}
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_, disabled := h.fused[file.ID]
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h.mu.Unlock()
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if disabled && replaced == nil {
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continue
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}
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loadedNow := false
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var hotReloadFields log.Fields
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if lp == nil {
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h.mu.Lock()
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h.loading[file.ID] = struct{}{}
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h.mu.Unlock()
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loaded, errLoad := h.load(file)
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h.mu.Lock()
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delete(h.loading, file.ID)
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if errLoad != nil {
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h.mu.Unlock()
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log.Warnf("pluginhost: failed to load plugin %s from %s: %v", file.ID, file.Path, errLoad)
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continue
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}
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// ApplyConfig, UnloadPlugin, and ShutdownAll are serialized by applyMu,
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// so a nil read cannot race into a duplicate load.
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lp = loaded
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if replaced != nil {
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hotReloadFields = pluginHotReloadLogFields(file.ID, file.Version, file.Path, replaced.version, replaced.path)
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h.retireLoadedPluginLocked(replaced)
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delete(h.fused, file.ID)
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h.removePluginRuntimeStateLocked(file.ID)
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}
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h.loaded[file.ID] = lp
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loadedNow = true
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h.mu.Unlock()
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log.WithFields(pluginLogFields(file.ID, "", file.Version, file.Path)).Info("pluginhost: plugin loaded")
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}
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plugin, okCall := h.callRegister(ctx, lp, item)
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if !okCall {
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continue
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}
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plugin.Metadata = clonePluginMetadata(plugin.Metadata)
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h.mu.Lock()
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if lp != nil {
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lp.name = strings.TrimSpace(plugin.Metadata.Name)
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if strings.TrimSpace(lp.version) == "" {
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lp.version = strings.TrimSpace(plugin.Metadata.Version)
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}
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}
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h.mu.Unlock()
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if loadedNow {
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log.WithFields(pluginLogFieldsFromMetadata(file.ID, plugin.Metadata, file.Path)).Info("pluginhost: plugin registered")
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}
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if hotReloadFields != nil {
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hotReloadLogs = append(hotReloadLogs, hotReloadFields)
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}
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records = append(records, capabilityRecord{
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id: file.ID,
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path: file.Path,
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version: file.Version,
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priority: item.Priority,
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meta: plugin.Metadata,
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plugin: plugin,
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})
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loadedFiles = append(loadedFiles, file)
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}
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sortRecords(records)
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h.mu.Lock()
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cleanupFiles := h.cleanupFilesPending
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if len(loadedFiles) > 0 {
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h.cleanupFilesPending = false
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}
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h.rebuildActivePluginMapsLocked(records)
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h.snapshot.Store(&Snapshot{enabled: true, records: records})
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h.mu.Unlock()
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h.refreshThinkingProviders(records)
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for _, fields := range hotReloadLogs {
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log.WithFields(fields).Info("pluginhost: plugin hot reloaded")
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}
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if cleanupFiles && len(loadedFiles) > 0 {
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if errCleanup := cleanupUnselectedPluginFiles(rc.Dir, loadedFiles); errCleanup != nil {
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log.Warnf("pluginhost: failed to clean old plugin files: %v", errCleanup)
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}
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}
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}
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func (h *Host) load(file pluginFile) (*loadedPlugin, error) {
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client, errOpen := h.loader.Open(file, h)
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if errOpen != nil {
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return nil, errOpen
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}
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return &loadedPlugin{
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id: file.ID,
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path: file.Path,
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version: file.Version,
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client: newGuardedPluginClient(client),
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}, nil
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}
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func (h *Host) withLoadedPluginFallbacks(files []pluginFile, items map[string]runtimeItemConfig, desired map[string]string) []pluginFile {
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if h == nil || len(desired) == 0 {
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return files
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}
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selected := make(map[string]struct{}, len(files))
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for _, file := range files {
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id := strings.TrimSpace(file.ID)
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if id != "" {
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selected[id] = struct{}{}
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}
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}
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ids := make([]string, 0, len(desired))
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for id := range desired {
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ids = append(ids, id)
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}
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sort.Strings(ids)
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h.mu.Lock()
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defer h.mu.Unlock()
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for _, id := range ids {
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if _, ok := selected[id]; ok {
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continue
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}
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if item, ok := items[id]; ok && !item.Enabled {
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continue
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}
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lp := h.loaded[id]
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if lp == nil || strings.TrimSpace(lp.path) == "" {
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continue
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}
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files = append(files, pluginFile{
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ID: id,
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Path: lp.path,
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Version: strings.TrimSpace(lp.version),
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})
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selected[id] = struct{}{}
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}
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return files
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}
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// UnloadPlugin removes one plugin from the active runtime and closes its dynamic library.
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func (h *Host) UnloadPlugin(id string) bool {
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if h == nil {
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return false
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}
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id = strings.TrimSpace(id)
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if id == "" {
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return false
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}
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h.applyMu.Lock()
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defer h.applyMu.Unlock()
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targets := make([]pluginUnloadTarget, 0)
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h.mu.Lock()
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lp := h.loaded[id]
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if lp != nil {
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targets = append(targets, pluginUnloadTarget{id: lp.id, name: lp.name, path: lp.path, version: lp.version, client: lp.client})
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}
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for _, retired := range h.retired[id] {
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if retired == nil {
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continue
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}
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targets = append(targets, pluginUnloadTarget{id: retired.id, name: retired.name, path: retired.path, version: retired.version, client: retired.client})
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}
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if len(targets) == 0 {
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h.mu.Unlock()
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return false
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}
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delete(h.loaded, id)
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delete(h.retired, id)
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delete(h.fused, id)
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delete(h.activePluginVersions, id)
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delete(h.activePluginPaths, id)
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for _, target := range targets {
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delete(h.pluginFileVersions, cleanPluginPath(target.path))
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}
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records, enabled := h.snapshotWithoutPluginLocked(id)
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h.removePluginRuntimeStateLocked(id)
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h.snapshot.Store(&Snapshot{enabled: enabled, records: records})
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h.mu.Unlock()
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h.refreshThinkingProviders(records)
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h.RegisterFrontendAuthProviders()
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for _, target := range targets {
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if target.client != nil {
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target.client.Shutdown()
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}
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log.WithFields(pluginLogFields(target.id, target.name, target.version, target.path)).Info("pluginhost: plugin unloaded")
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}
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return true
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}
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// ShutdownAll removes active plugin capabilities and closes all loaded dynamic libraries.
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func (h *Host) ShutdownAll() {
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if h == nil {
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return
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}
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h.applyMu.Lock()
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defer h.applyMu.Unlock()
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targets := make([]pluginUnloadTarget, 0)
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h.mu.Lock()
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for _, lp := range h.loaded {
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if lp == nil || lp.client == nil {
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continue
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}
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targets = append(targets, pluginUnloadTarget{
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id: lp.id,
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name: lp.name,
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path: lp.path,
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version: lp.version,
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client: lp.client,
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})
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}
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for _, retiredPlugins := range h.retired {
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for _, lp := range retiredPlugins {
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if lp == nil || lp.client == nil {
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continue
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}
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targets = append(targets, pluginUnloadTarget{
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id: lp.id,
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name: lp.name,
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path: lp.path,
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version: lp.version,
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client: lp.client,
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})
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}
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}
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h.loaded = make(map[string]*loadedPlugin)
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h.retired = make(map[string][]*loadedPlugin)
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h.loading = make(map[string]struct{})
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h.modelClientIDs = make(map[string]struct{})
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h.executorModelClientIDs = make(map[string]struct{})
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h.modelProviders = make(map[string]string)
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h.modelRegistrations = make(map[string]pluginModelRegistration)
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h.providerModels = make(map[string][]*registryModelInfo)
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h.executorProviders = make(map[string]struct{})
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h.commandLineFlags = make(map[string]commandLineFlagRecord)
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h.commandLineHits = make(map[string]struct{})
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h.managementRoutes = make(map[string]managementRouteRecord)
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h.resourceRoutes = make(map[string]resourceRouteRecord)
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h.pluginFileVersions = make(map[string]string)
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h.activePluginVersions = make(map[string]string)
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h.activePluginPaths = make(map[string]string)
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h.snapshot.Store(emptySnapshot())
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h.mu.Unlock()
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h.refreshThinkingProviders(nil)
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h.RegisterFrontendAuthProviders()
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for _, target := range targets {
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target.client.Shutdown()
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log.WithFields(pluginLogFields(target.id, target.name, target.version, target.path)).Info("pluginhost: plugin unloaded")
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}
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}
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func cleanPluginPath(path string) string {
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path = strings.TrimSpace(path)
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if path == "" {
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return ""
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}
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return filepath.Clean(path)
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}
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func (h *Host) retireLoadedPluginLocked(lp *loadedPlugin) {
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if h == nil || lp == nil {
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return
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}
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h.retired[lp.id] = append(h.retired[lp.id], lp)
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}
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func (h *Host) recordCurrent(record capabilityRecord) bool {
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return h.pluginIdentityCurrent(record.id, record.path, record.version)
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}
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func (h *Host) pluginIdentityCurrent(id string, path string, version string) bool {
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if h == nil {
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return false
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}
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version = strings.TrimSpace(version)
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h.mu.Lock()
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defer h.mu.Unlock()
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id = strings.TrimSpace(id)
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if id == "" {
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return false
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}
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path = cleanPluginPath(path)
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if path == "" || h.activePluginPaths[id] != path {
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return false
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}
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activePathVersion, okVersion := h.pluginFileVersions[path]
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if !okVersion || activePathVersion != version {
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return false
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}
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return h.activePluginVersions[id] == version
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}
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func (h *Host) snapshotWithoutPluginLocked(id string) ([]capabilityRecord, bool) {
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|
raw := h.snapshot.Load()
|
|
snap, _ := raw.(*Snapshot)
|
|
if snap == nil || len(snap.records) == 0 {
|
|
return nil, snap != nil && snap.enabled
|
|
}
|
|
records := make([]capabilityRecord, 0, len(snap.records))
|
|
for _, record := range snap.records {
|
|
if record.id == id {
|
|
continue
|
|
}
|
|
records = append(records, record)
|
|
}
|
|
return records, snap.enabled
|
|
}
|
|
|
|
func (h *Host) removePluginRuntimeStateLocked(id string) {
|
|
for key, record := range h.managementRoutes {
|
|
if record.pluginID == id {
|
|
delete(h.managementRoutes, key)
|
|
}
|
|
}
|
|
for key, record := range h.resourceRoutes {
|
|
if record.pluginID == id {
|
|
delete(h.resourceRoutes, key)
|
|
}
|
|
}
|
|
for name, record := range h.commandLineFlags {
|
|
if record.pluginID == id {
|
|
delete(h.commandLineFlags, name)
|
|
delete(h.commandLineHits, name)
|
|
}
|
|
}
|
|
if registration, ok := h.modelRegistrations[id]; ok {
|
|
delete(h.providerModels, registration.provider)
|
|
}
|
|
delete(h.modelProviders, id)
|
|
delete(h.modelRegistrations, id)
|
|
}
|
|
|
|
func (h *Host) rebuildActivePluginMapsLocked(records []capabilityRecord) {
|
|
h.pluginFileVersions = make(map[string]string, len(records))
|
|
h.activePluginVersions = make(map[string]string, len(records))
|
|
h.activePluginPaths = make(map[string]string, len(records))
|
|
for _, record := range records {
|
|
id := strings.TrimSpace(record.id)
|
|
path := cleanPluginPath(record.path)
|
|
if id == "" || path == "" {
|
|
continue
|
|
}
|
|
h.pluginFileVersions[path] = strings.TrimSpace(record.version)
|
|
h.activePluginVersions[id] = strings.TrimSpace(record.version)
|
|
h.activePluginPaths[id] = path
|
|
}
|
|
}
|
|
|
|
func (h *Host) callRegister(ctx context.Context, lp *loadedPlugin, item runtimeItemConfig) (pluginapi.Plugin, bool) {
|
|
if lp == nil {
|
|
return pluginapi.Plugin{}, false
|
|
}
|
|
|
|
method := pluginabi.MethodPluginRegister
|
|
h.mu.Lock()
|
|
registered := lp.registered
|
|
h.mu.Unlock()
|
|
if registered {
|
|
method = pluginabi.MethodPluginReconfigure
|
|
}
|
|
|
|
plugin, okCall := h.safePluginCall(ctx, lp.id, method, func() pluginapi.Plugin {
|
|
plugin, errRegister := registerRPCPlugin(ctx, h, lp.id, lp.client, method, item.ConfigYAML)
|
|
if errRegister != nil {
|
|
log.Warnf("pluginhost: plugin %s %s failed: %v", lp.id, method, errRegister)
|
|
return pluginapi.Plugin{}
|
|
}
|
|
return plugin
|
|
})
|
|
if !okCall {
|
|
return pluginapi.Plugin{}, false
|
|
}
|
|
h.mu.Lock()
|
|
lp.registered = true
|
|
h.mu.Unlock()
|
|
if !validPlugin(plugin) {
|
|
log.Warnf("pluginhost: plugin %s returned invalid metadata or no capabilities", lp.id)
|
|
return pluginapi.Plugin{}, false
|
|
}
|
|
return plugin, true
|
|
}
|
|
|
|
func (h *Host) safePluginCall(ctx context.Context, id, method string, fn func() pluginapi.Plugin) (out pluginapi.Plugin, ok bool) {
|
|
defer func() {
|
|
if recovered := recover(); recovered != nil {
|
|
h.fusePlugin(id, method, recovered)
|
|
out = pluginapi.Plugin{}
|
|
ok = false
|
|
}
|
|
}()
|
|
|
|
if ctx != nil {
|
|
select {
|
|
case <-ctx.Done():
|
|
return pluginapi.Plugin{}, false
|
|
default:
|
|
}
|
|
}
|
|
return fn(), true
|
|
}
|
|
|
|
func validPlugin(plugin pluginapi.Plugin) bool {
|
|
if strings.TrimSpace(plugin.Metadata.Name) == "" {
|
|
return false
|
|
}
|
|
if strings.TrimSpace(plugin.Metadata.Version) == "" {
|
|
return false
|
|
}
|
|
if strings.TrimSpace(plugin.Metadata.Author) == "" {
|
|
return false
|
|
}
|
|
if strings.TrimSpace(plugin.Metadata.GitHubRepository) == "" {
|
|
return false
|
|
}
|
|
caps := plugin.Capabilities
|
|
return caps.ModelRegistrar != nil ||
|
|
caps.ModelProvider != nil ||
|
|
caps.AuthProvider != nil ||
|
|
caps.FrontendAuthProvider != nil ||
|
|
caps.Scheduler != nil ||
|
|
caps.ModelRouter != nil ||
|
|
caps.Executor != nil ||
|
|
caps.RequestTranslator != nil ||
|
|
caps.RequestNormalizer != nil ||
|
|
caps.RequestInterceptor != nil ||
|
|
caps.ResponseTranslator != nil ||
|
|
caps.ResponseBeforeTranslator != nil ||
|
|
caps.ResponseAfterTranslator != nil ||
|
|
caps.ResponseInterceptor != nil ||
|
|
caps.StreamChunkInterceptor != nil ||
|
|
caps.ThinkingApplier != nil ||
|
|
caps.UsagePlugin != nil ||
|
|
caps.CommandLinePlugin != nil ||
|
|
caps.ManagementAPI != nil
|
|
}
|
|
|
|
func typeName(v any) string {
|
|
return fmt.Sprintf("%T", v)
|
|
}
|