/
versioned.go
88 lines (74 loc) · 2.14 KB
/
versioned.go
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package xhttp
import (
"context"
"fmt"
"net/http"
"github.com/julienschmidt/httprouter"
"github.com/neuronlabs/neuron/core"
"github.com/neuronlabs/neuron/server"
"github.com/neuronlabs/neuron-extensions/server/xhttp/log"
)
// Compile time check if VersionedServer implements server.VersionedServer.
var _ server.VersionedServer = &VersionedServer{}
// VersionedServer is a server.VersionedServer implementation for the http Server with multiple API versions.
type VersionedServer struct {
Router *httprouter.Router
Endpoints []*server.Endpoint
Options *Options
server http.Server
}
// NewVersioned creates new versioned API.
func NewVersioned(options ...Option) *VersionedServer {
v := &VersionedServer{
Options: newOptions(),
server: http.Server{},
Router: httprouter.New(),
}
for _, option := range options {
option(v.Options)
}
v.setOptions()
return v
}
// InitializeVersion initializes all API stored for given 'version'.
func (v *VersionedServer) InitializeVersion(version string, c *core.Controller) error {
apis, ok := v.Options.VersionedAPIs[version]
if !ok {
return nil
}
for _, api := range apis {
if err := api.InitializeAPI(c); err != nil {
return err
}
if err := api.SetRoutes(v.Router); err != nil {
return err
}
v.Endpoints = append(v.Endpoints, api.GetEndpoints()...)
}
return nil
}
// GetEndpoints implements server.VersionedServer.
func (v *VersionedServer) GetEndpoints() []*server.Endpoint {
return v.Endpoints
}
// Serve implements server.VersionedServer.
func (v *VersionedServer) Serve() error {
v.server.Handler = v.Router
log.Infof("Listening and serve at: %s:%d", v.Options.Hostname, v.Options.Port)
return v.server.ListenAndServe()
}
// Shutdown gently shutdown the server connection.
func (v *VersionedServer) Shutdown(ctx context.Context) error {
if err := v.server.Shutdown(ctx); err != nil {
log.Errorf("HTTP server shutdown failed: %v", err)
return err
}
return nil
}
func (v *VersionedServer) setOptions() {
if v.Options.Port == 0 {
v.Options.Port = 80
}
v.server.Addr = fmt.Sprintf("%s:%d", v.Options.Hostname, v.Options.Port)
v.server.TLSConfig = v.Options.TLSConfig
}