summaryrefslogtreecommitdiffstats
path: root/lib/xdsserver/server.go
diff options
context:
space:
mode:
authorSebastien Douheret <sebastien.douheret@iot.bzh>2017-05-16 22:51:32 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2017-05-17 14:04:32 +0200
commitc07adb807c41a1545a9a0f5bbf40080d86946538 (patch)
tree21e00efbcd03360416698663a1ea89536717ae86 /lib/xdsserver/server.go
parent8983eebdbe74489d62eae4097580fc430d75bd07 (diff)
Auto start Syncthing and Syncthing-inotify.
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'lib/xdsserver/server.go')
-rw-r--r--lib/xdsserver/server.go189
1 files changed, 0 insertions, 189 deletions
diff --git a/lib/xdsserver/server.go b/lib/xdsserver/server.go
deleted file mode 100644
index 90d0f38..0000000
--- a/lib/xdsserver/server.go
+++ /dev/null
@@ -1,189 +0,0 @@
-package xdsserver
-
-import (
- "net/http"
- "os"
-
- "path"
-
- "github.com/Sirupsen/logrus"
- "github.com/gin-contrib/static"
- "github.com/gin-gonic/gin"
- "github.com/googollee/go-socket.io"
- "github.com/iotbzh/xds-server/lib/apiv1"
- "github.com/iotbzh/xds-server/lib/session"
- "github.com/iotbzh/xds-server/lib/xdsconfig"
-)
-
-// ServerService .
-type ServerService struct {
- router *gin.Engine
- api *apiv1.APIService
- sIOServer *socketio.Server
- webApp *gin.RouterGroup
- cfg xdsconfig.Config
- sessions *session.Sessions
- log *logrus.Logger
- stop chan struct{} // signals intentional stop
-}
-
-const indexFilename = "index.html"
-const cookieMaxAge = "3600"
-
-// NewServer creates an instance of ServerService
-func NewServer(cfg xdsconfig.Config) *ServerService {
-
- // Setup logging for gin router
- if cfg.Log.Level == logrus.DebugLevel {
- gin.SetMode(gin.DebugMode)
- } else {
- gin.SetMode(gin.ReleaseMode)
- }
-
- // TODO
- // - try to bind gin DefaultWriter & DefaultErrorWriter to logrus logger
- // - try to fix pb about isTerminal=false when out is in VSC Debug Console
- //gin.DefaultWriter = ??
- //gin.DefaultErrorWriter = ??
-
- // Creates gin router
- r := gin.New()
-
- svr := &ServerService{
- router: r,
- api: nil,
- sIOServer: nil,
- webApp: nil,
- cfg: cfg,
- log: cfg.Log,
- sessions: nil,
- stop: make(chan struct{}),
- }
-
- return svr
-}
-
-// Serve starts a new instance of the Web Server
-func (s *ServerService) Serve() error {
- var err error
-
- // Setup middlewares
- s.router.Use(gin.Logger())
- s.router.Use(gin.Recovery())
- s.router.Use(s.middlewareXDSDetails())
- s.router.Use(s.middlewareCORS())
-
- // Sessions manager
- s.sessions = session.NewClientSessions(s.router, s.log, cookieMaxAge)
-
- // Create REST API
- s.api = apiv1.New(s.sessions, s.cfg, s.router)
-
- // Websocket routes
- s.sIOServer, err = socketio.NewServer(nil)
- if err != nil {
- s.log.Fatalln(err)
- }
-
- s.router.GET("/socket.io/", s.socketHandler)
- s.router.POST("/socket.io/", s.socketHandler)
- /* TODO: do we want to support ws://... ?
- s.router.Handle("WS", "/socket.io/", s.socketHandler)
- s.router.Handle("WSS", "/socket.io/", s.socketHandler)
- */
-
- // Web Application (serve on / )
- idxFile := path.Join(s.cfg.WebAppDir, indexFilename)
- if _, err := os.Stat(idxFile); err != nil {
- s.log.Fatalln("Web app directory not found, check/use webAppDir setting in config file: ", idxFile)
- }
- s.log.Infof("Serve WEB app dir: %s", s.cfg.WebAppDir)
- s.router.Use(static.Serve("/", static.LocalFile(s.cfg.WebAppDir, true)))
- s.webApp = s.router.Group("/", s.serveIndexFile)
- {
- s.webApp.GET("/")
- }
-
- // Serve in the background
- serveError := make(chan error, 1)
- go func() {
- serveError <- http.ListenAndServe(":"+s.cfg.HTTPPort, s.router)
- }()
-
- // Wait for stop, restart or error signals
- select {
- case <-s.stop:
- // Shutting down permanently
- s.sessions.Stop()
- s.log.Infoln("shutting down (stop)")
- case err = <-serveError:
- // Error due to listen/serve failure
- s.log.Errorln(err)
- }
-
- return nil
-}
-
-// Stop web server
-func (s *ServerService) Stop() {
- close(s.stop)
-}
-
-// serveIndexFile provides initial file (eg. index.html) of webapp
-func (s *ServerService) serveIndexFile(c *gin.Context) {
- c.HTML(200, indexFilename, gin.H{})
-}
-
-// Add details in Header
-func (s *ServerService) middlewareXDSDetails() gin.HandlerFunc {
- return func(c *gin.Context) {
- c.Header("XDS-Version", s.cfg.Version)
- c.Header("XDS-API-Version", s.cfg.APIVersion)
- c.Next()
- }
-}
-
-// CORS middleware
-func (s *ServerService) middlewareCORS() gin.HandlerFunc {
- return func(c *gin.Context) {
-
- if c.Request.Method == "OPTIONS" {
- c.Header("Access-Control-Allow-Origin", "*")
- c.Header("Access-Control-Allow-Headers", "Content-Type")
- c.Header("Access-Control-Allow-Methods", "POST, DELETE, GET, PUT")
- c.Header("Content-Type", "application/json")
- c.Header("Access-Control-Max-Age", cookieMaxAge)
- c.AbortWithStatus(204)
- return
- }
-
- c.Next()
- }
-}
-
-// socketHandler is the handler for the "main" websocket connection
-func (s *ServerService) socketHandler(c *gin.Context) {
-
- // Retrieve user session
- sess := s.sessions.Get(c)
- if sess == nil {
- c.JSON(500, gin.H{"error": "Cannot retrieve session"})
- return
- }
-
- s.sIOServer.On("connection", func(so socketio.Socket) {
- s.log.Debugf("WS Connected (SID=%v)", so.Id())
- s.sessions.UpdateIOSocket(sess.ID, &so)
-
- so.On("disconnection", func() {
- s.log.Debugf("WS disconnected (SID=%v)", so.Id())
- s.sessions.UpdateIOSocket(sess.ID, nil)
- })
- })
-
- s.sIOServer.On("error", func(so socketio.Socket, err error) {
- s.log.Errorf("WS SID=%v Error : %v", so.Id(), err.Error())
- })
-
- s.sIOServer.ServeHTTP(c.Writer, c.Request)
-}