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55addbb556
* lua: Intial impl with config and pool Signed-off-by: James Hillyerd <james@hillyerd.com>
120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
package server
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import (
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"context"
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"sync"
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"github.com/inbucket/inbucket/pkg/config"
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"github.com/inbucket/inbucket/pkg/extension"
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"github.com/inbucket/inbucket/pkg/extension/luahost"
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"github.com/inbucket/inbucket/pkg/message"
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"github.com/inbucket/inbucket/pkg/msghub"
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"github.com/inbucket/inbucket/pkg/policy"
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"github.com/inbucket/inbucket/pkg/rest"
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"github.com/inbucket/inbucket/pkg/server/pop3"
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"github.com/inbucket/inbucket/pkg/server/smtp"
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"github.com/inbucket/inbucket/pkg/server/web"
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"github.com/inbucket/inbucket/pkg/storage"
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"github.com/inbucket/inbucket/pkg/stringutil"
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"github.com/inbucket/inbucket/pkg/webui"
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)
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// Services holds the configured services.
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type Services struct {
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MsgHub *msghub.Hub
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POP3Server *pop3.Server
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RetentionScanner *storage.RetentionScanner
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SMTPServer *smtp.Server
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WebServer *web.Server
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ExtHost *extension.Host
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LuaHost *luahost.Host
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notify chan error // Combined notification for failed services.
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ready *sync.WaitGroup // Tracks services that have not reported ready.
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}
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// FullAssembly wires up a complete Inbucket environment.
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func FullAssembly(conf *config.Root) (*Services, error) {
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// Configure extensions.
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extHost := extension.NewHost()
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luaHost, err := luahost.New(conf.Lua, extHost)
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if err != nil {
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return nil, err
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}
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// Configure storage.
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store, err := storage.FromConfig(conf.Storage)
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if err != nil {
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return nil, err
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}
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addrPolicy := &policy.Addressing{Config: conf}
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// Configure shared components.
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msgHub := msghub.New(conf.Web.MonitorHistory, extHost)
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mmanager := &message.StoreManager{AddrPolicy: addrPolicy, Store: store, ExtHost: extHost}
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// Start Retention scanner.
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retentionScanner := storage.NewRetentionScanner(conf.Storage, store)
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// Configure routes and build HTTP server.
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prefix := stringutil.MakePathPrefixer(conf.Web.BasePath)
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webui.SetupRoutes(web.Router.PathPrefix(prefix("/serve/")).Subrouter())
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rest.SetupRoutes(web.Router.PathPrefix(prefix("/api/")).Subrouter())
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webServer := web.NewServer(conf, mmanager, msgHub)
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pop3Server := pop3.NewServer(conf.POP3, store)
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smtpServer := smtp.NewServer(conf.SMTP, mmanager, addrPolicy, extHost)
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return &Services{
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MsgHub: msgHub,
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RetentionScanner: retentionScanner,
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POP3Server: pop3Server,
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SMTPServer: smtpServer,
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WebServer: webServer,
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ExtHost: extHost,
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LuaHost: luaHost,
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ready: &sync.WaitGroup{},
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}, nil
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}
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// Start all services, returns immediately. Callers may use Notify to detect failed services.
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func (s *Services) Start(ctx context.Context, readyFunc func()) {
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go s.MsgHub.Start(ctx)
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go s.WebServer.Start(ctx, s.makeReadyFunc())
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go s.SMTPServer.Start(ctx, s.makeReadyFunc())
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go s.POP3Server.Start(ctx, s.makeReadyFunc())
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go s.RetentionScanner.Start(ctx)
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// Notify when all services report ready.
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go func() {
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s.ready.Wait()
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readyFunc()
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}()
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}
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// Notify merges the error notification channels of all fallible services, allowing the process to
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// be shutdown if needed.
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func (s *Services) Notify() <-chan error {
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c := make(chan error, 1)
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go func() {
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// TODO: What level to log failure.
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select {
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case err := <-s.POP3Server.Notify():
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c <- err
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case err := <-s.SMTPServer.Notify():
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c <- err
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case err := <-s.WebServer.Notify():
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c <- err
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}
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}()
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return c
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}
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func (s *Services) makeReadyFunc() func() {
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s.ready.Add(1)
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var once sync.Once
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return func() {
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once.Do(s.ready.Done)
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}
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}
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