summaryrefslogtreecommitdiffstats
path: root/lib/webserver
diff options
context:
space:
mode:
authorSebastien Douheret <sebastien.douheret@iot.bzh>2017-11-29 08:54:00 +0100
committerSebastien Douheret <sebastien.douheret@iot.bzh>2017-11-29 11:10:30 +0100
commit2f7828d01f4c4ca2909f95f098627cd5475ed225 (patch)
treeb5e71920b813b95cae3e32044be08b99223348ec /lib/webserver
parent5caebfb4b7c3b73988f067082b219ce5b7f409ba (diff)
Refit source files to have a public xs-apiv1 lib package.
Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'lib/webserver')
-rw-r--r--lib/webserver/server.go201
1 files changed, 0 insertions, 201 deletions
diff --git a/lib/webserver/server.go b/lib/webserver/server.go
deleted file mode 100644
index 85a2c40..0000000
--- a/lib/webserver/server.go
+++ /dev/null
@@ -1,201 +0,0 @@
-package webserver
-
-import (
- "fmt"
- "log"
- "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/crosssdk"
- "github.com/iotbzh/xds-server/lib/model"
- "github.com/iotbzh/xds-server/lib/session"
- "github.com/iotbzh/xds-server/lib/xdsconfig"
-)
-
-// Server .
-type Server struct {
- router *gin.Engine
- api *apiv1.APIService
- sIOServer *socketio.Server
- webApp *gin.RouterGroup
- cfg *xdsconfig.Config
- sessions *session.Sessions
- mfolders *model.Folders
- sdks *crosssdk.SDKs
- log *logrus.Logger
- sillyLog bool
- stop chan struct{} // signals intentional stop
-}
-
-const indexFilename = "index.html"
-const cookieMaxAge = "3600"
-
-// New creates an instance of Server
-func New(cfg *xdsconfig.Config, mfolders *model.Folders, sdks *crosssdk.SDKs, logr *logrus.Logger, sillyLog bool) *Server {
-
- // Setup logging for gin router
- if logr.Level == logrus.DebugLevel {
- gin.SetMode(gin.DebugMode)
- } else {
- gin.SetMode(gin.ReleaseMode)
- }
-
- // Redirect gin logs into another logger (LogVerboseOut may be stderr or a file)
- gin.DefaultWriter = cfg.LogVerboseOut
- gin.DefaultErrorWriter = cfg.LogVerboseOut
- log.SetOutput(cfg.LogVerboseOut)
-
- // FIXME - fix pb about isTerminal=false when out is in VSC Debug Console
-
- // Creates gin router
- r := gin.New()
-
- svr := &Server{
- router: r,
- api: nil,
- sIOServer: nil,
- webApp: nil,
- cfg: cfg,
- sessions: nil,
- mfolders: mfolders,
- sdks: sdks,
- log: logr,
- sillyLog: sillyLog,
- stop: make(chan struct{}),
- }
-
- return svr
-}
-
-// Serve starts a new instance of the Web Server
-func (s *Server) 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, s.sillyLog)
-
- // Create REST API
- s.api = apiv1.New(s.router, s.sessions, s.cfg, s.mfolders, s.sdks)
-
- // 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.FileConf.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.FileConf.WebAppDir)
- s.router.Use(static.Serve("/", static.LocalFile(s.cfg.FileConf.WebAppDir, true)))
- s.webApp = s.router.Group("/", s.serveIndexFile)
- {
- s.webApp.GET("/")
- }
-
- // Serve in the background
- serveError := make(chan error, 1)
- go func() {
- msg := fmt.Sprintf("Web Server running on localhost:%s ...\n", s.cfg.FileConf.HTTPPort)
- s.log.Infof(msg)
- fmt.Printf(msg)
- serveError <- http.ListenAndServe(":"+s.cfg.FileConf.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 *Server) Stop() {
- close(s.stop)
-}
-
-// serveIndexFile provides initial file (eg. index.html) of webapp
-func (s *Server) serveIndexFile(c *gin.Context) {
- c.HTML(200, indexFilename, gin.H{})
-}
-
-// Add details in Header
-func (s *Server) 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 *Server) 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", "GET, POST, DELETE")
- c.Header("Access-Control-Max-Age", cookieMaxAge)
- c.AbortWithStatus(204)
- return
- }
-
- c.Next()
- }
-}
-
-// socketHandler is the handler for the "main" websocket connection
-func (s *Server) 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)
-}