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listener.go
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/
listener.go
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package listener
import (
"context"
"fmt"
"log"
"net/http"
"time"
"go.uber.org/zap"
"github.com/mycontroller-org/server/v2/pkg/service/http_listener/https"
"github.com/mycontroller-org/server/v2/pkg/types/config"
contextTY "github.com/mycontroller-org/server/v2/pkg/types/context"
serviceTY "github.com/mycontroller-org/server/v2/pkg/types/service"
"github.com/mycontroller-org/server/v2/pkg/utils"
)
const (
LoggerPrefixHTTP = "HTTP"
LoggerPrefixSSL = "HTTPS/SSL"
LoggerPrefixACME = "HTTPS/ACME"
defaultReadTimeout = time.Second * 60
)
type HttpListener struct {
logger *zap.Logger
config config.WebConfig
handler http.Handler
}
func New(ctx context.Context, cfg config.WebConfig, handler http.Handler) (serviceTY.Service, error) {
logger, err := contextTY.LoggerFromContext(ctx)
if err != nil {
return nil, err
}
return &HttpListener{
logger: logger.Named("http_listener"),
config: cfg,
handler: handler,
}, nil
}
func (svc *HttpListener) Name() string {
return "http_listener_service"
}
func (l *HttpListener) Start() error {
if !l.config.Http.Enabled && !l.config.HttpsSSL.Enabled && !l.config.HttpsACME.Enabled {
l.logger.Fatal("web services are disabled. enable at least a service: HTTP, HTTPS/SSL or HTTPS/ACME")
}
l.logger.Info("web console directory location", zap.String("web_directory", l.config.WebDirectory))
errs := make(chan error, 1) // a channel for errors
// get readTimeout
readTimeout := utils.ToDuration(l.config.ReadTimeout, defaultReadTimeout)
l.logger.Debug("web server connection timeout", zap.String("read_timeout", readTimeout.String()))
// http service
if l.config.Http.Enabled {
go func() {
addr := fmt.Sprintf("%s:%d", l.config.Http.BindAddress, l.config.Http.Port)
l.logger.Info("listening HTTP service on", zap.String("address", addr))
server := &http.Server{
ReadTimeout: readTimeout,
Addr: addr,
Handler: l.handler,
ErrorLog: log.New(getLogger(LoggerPrefixHTTP, l.logger), "", 0),
}
err := server.ListenAndServe()
if err != nil {
l.logger.Error("Error on starting http handler", zap.Error(err))
errs <- err
}
}()
}
// https ssl service
if l.config.HttpsSSL.Enabled {
go func() {
addr := fmt.Sprintf("%s:%d", l.config.HttpsSSL.BindAddress, l.config.HttpsSSL.Port)
l.logger.Info("listening HTTPS/SSL service on", zap.String("address", addr))
tlsConfig, err := https.GetSSLTLSConfig(l.logger, l.config.HttpsSSL)
if err != nil {
l.logger.Error("error on getting https/ssl tlsConfig", zap.Error(err), zap.Any("sslConfig", l.config.HttpsSSL))
errs <- err
return
}
server := &http.Server{
ReadTimeout: readTimeout,
Addr: addr,
TLSConfig: tlsConfig,
Handler: l.handler,
ErrorLog: log.New(getLogger(LoggerPrefixSSL, l.logger), "", 0),
}
err = server.ListenAndServeTLS("", "")
if err != nil {
l.logger.Error("error on starting https/ssl handler", zap.Error(err))
errs <- err
}
}()
}
// https acme service
if l.config.HttpsACME.Enabled {
go func() {
addr := fmt.Sprintf("%s:%d", l.config.HttpsACME.BindAddress, l.config.HttpsACME.Port)
l.logger.Info("listening HTTPS/acme service on", zap.String("address", addr))
tlsConfig, err := https.GetAcmeTLSConfig(l.config.HttpsACME)
if err != nil {
l.logger.Error("error on getting acme tlsConfig", zap.Error(err), zap.Any("acmeConfig", l.config.HttpsACME))
errs <- err
return
}
server := &http.Server{
ReadTimeout: readTimeout,
Addr: addr,
TLSConfig: tlsConfig,
Handler: l.handler,
ErrorLog: log.New(getLogger(LoggerPrefixACME, l.logger), "", 0),
}
err = server.ListenAndServeTLS("", "")
if err != nil {
l.logger.Error("error on starting https/acme handler", zap.Error(err))
errs <- err
}
}()
}
// This will run forever until channel receives error
err := <-errs
l.logger.Fatal("error on starting a handler service", zap.Error(err))
return err
}
func (l *HttpListener) Close() error {
return nil
}