123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
package proxy
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import (
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"context"
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"fmt"
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"log"
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"net"
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"net/http"
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"forge.cadoles.com/Cadoles/go-proxy"
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bouncerChi "forge.cadoles.com/cadoles/bouncer/internal/chi"
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"forge.cadoles.com/cadoles/bouncer/internal/config"
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"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
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"forge.cadoles.com/cadoles/bouncer/internal/queue"
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"forge.cadoles.com/cadoles/bouncer/internal/store"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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)
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type Server struct {
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serverConfig config.ProxyServerConfig
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redisConfig config.RedisConfig
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queueRepository queue.Repository
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proxyRepository store.ProxyRepository
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layerRepository store.LayerRepository
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}
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func (s *Server) Start(ctx context.Context) (<-chan net.Addr, <-chan error) {
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errs := make(chan error)
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addrs := make(chan net.Addr)
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go s.run(ctx, addrs, errs)
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return addrs, errs
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}
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func (s *Server) run(parentCtx context.Context, addrs chan net.Addr, errs chan error) {
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defer func() {
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close(errs)
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close(addrs)
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}()
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ctx, cancel := context.WithCancel(parentCtx)
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defer cancel()
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if err := s.initRepositories(ctx); err != nil {
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errs <- errors.WithStack(err)
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return
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}
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listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", s.serverConfig.HTTP.Host, s.serverConfig.HTTP.Port))
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if err != nil {
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errs <- errors.WithStack(err)
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return
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}
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addrs <- listener.Addr()
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defer func() {
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if err := listener.Close(); err != nil && !errors.Is(err, net.ErrClosed) {
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errs <- errors.WithStack(err)
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}
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}()
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go func() {
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<-ctx.Done()
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if err := listener.Close(); err != nil && !errors.Is(err, net.ErrClosed) {
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log.Printf("%+v", errors.WithStack(err))
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}
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}()
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router := chi.NewRouter()
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logger.Info(ctx, "http server listening")
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queue := queue.New(
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s.queueRepository,
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)
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director := director.New(
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s.proxyRepository,
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s.layerRepository,
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queue,
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)
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router.Use(director.Middleware())
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router.Use(middleware.RequestLogger(bouncerChi.NewLogFormatter()))
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handler := proxy.New(
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proxy.WithRequestTransformers(
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director.RequestTransformer(),
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),
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proxy.WithResponseTransformers(
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director.ResponseTransformer(),
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),
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)
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router.Handle("/*", handler)
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if err := http.Serve(listener, router); err != nil && !errors.Is(err, net.ErrClosed) {
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errs <- errors.WithStack(err)
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}
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logger.Info(ctx, "http server exiting")
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}
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func NewServer(funcs ...OptionFunc) *Server {
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opt := defaultOption()
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for _, fn := range funcs {
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fn(opt)
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}
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return &Server{
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serverConfig: opt.ServerConfig,
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redisConfig: opt.RedisConfig,
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}
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}
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