From 6ff5e0a94f38b4501ffdc7ff51ff6766d03c5a65 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Wed, 30 Dec 2015 20:58:28 +0100
Subject: session store and web socket interface now support to set a reference
 id


diff --git a/session_store.go b/session_store.go
index 5025d8c..7fe6585 100644
--- a/session_store.go
+++ b/session_store.go
@@ -40,11 +40,13 @@ type newSessionResponse struct {
 
 type newSessionRequest struct {
 	ctx      *ImportContext
+	refId    string
 	response chan newSessionResponse
 }
 
 type getSessionResponse struct {
 	session      *SessionChan
+	refId        string
 	responsecode int
 	errorstring  string
 }
@@ -52,6 +54,7 @@ type getSessionResponse struct {
 type getSessionRequest struct {
 	user     string
 	id       string
+	refId    string
 	response chan getSessionResponse
 }
 
@@ -66,8 +69,13 @@ type removeSessionRequest struct {
 	response chan removeSessionResponse
 }
 
+type SessionStoreElement struct {
+	s     *Session
+	refId string
+}
+
 type SessionStore struct {
-	store      map[string]map[string]*Session
+	store      map[string]map[string]*SessionStoreElement
 	quit       chan bool
 	done       chan bool
 	newChan    chan newSessionRequest
@@ -83,7 +91,7 @@ func generateSessionId() (string, error) {
 	return base64.RawStdEncoding.EncodeToString(b[:]), nil
 }
 
-func (self *SessionStore) new(ctx *ImportContext) (resp newSessionResponse) {
+func (self *SessionStore) new(ctx *ImportContext, refId string) (resp newSessionResponse) {
 	resp.responsecode = http.StatusOK
 	resp.errorstring = "OK"
 	if !ctx.Trusted {
@@ -103,10 +111,11 @@ func (self *SessionStore) new(ctx *ImportContext) (resp newSessionResponse) {
 	} else {
 		resp.id = id
 		if _, exists := self.store[ctx.UserName]; !exists {
-			self.store[ctx.UserName] = make(map[string]*Session)
+			self.store[ctx.UserName] = make(map[string]*SessionStoreElement)
 		}
-		self.store[ctx.UserName][resp.id] = NewSession(ctx, func() { self.GetInterface().Remove(ctx.UserName, resp.id) })
-		resp.session = self.store[ctx.UserName][resp.id].getInterface()
+		s := &SessionStoreElement{NewSession(ctx, func() { self.GetInterface().Remove(ctx.UserName, resp.id) }), refId}
+		self.store[ctx.UserName][resp.id] = s
+		resp.session = self.store[ctx.UserName][resp.id].s.getInterface()
 		rhdl.Printf("SessionStore: created session for '%s' -> %s", ctx.UserName, resp.id)
 	}
 	return
@@ -116,7 +125,8 @@ func (self *SessionStore) get(user, id string) (resp getSessionResponse) {
 	resp.responsecode = http.StatusOK
 	resp.errorstring = "OK"
 	if session, exists := self.store[user][id]; exists {
-		resp.session = session.getInterface()
+		resp.session = session.s.getInterface()
+		resp.refId = session.refId
 	} else {
 		resp.responsecode = http.StatusNotFound
 		resp.errorstring = fmt.Sprintf("SessionStore: session '%s/%s' not found", user, id)
@@ -128,7 +138,7 @@ func (self *SessionStore) remove(user, id string) (resp removeSessionResponse) {
 	resp.responsecode = http.StatusOK
 	resp.errorstring = "OK"
 	if session, exists := self.store[user][id]; exists {
-		go session.Cleanup() // cleanup could take a while -> don't block all the other stuff
+		go session.s.Cleanup() // cleanup could take a while -> don't block all the other stuff
 		delete(self.store[user], id)
 		rhdl.Printf("SessionStore: removed session '%s/%s'", user, id)
 		if userstore, exists := self.store[user]; exists {
@@ -151,7 +161,7 @@ func (self *SessionStore) dispatchRequests() {
 		case <-self.quit:
 			return
 		case req := <-self.newChan:
-			req.response <- self.new(req.ctx)
+			req.response <- self.new(req.ctx, req.refId)
 		case req := <-self.getChan:
 			req.response <- self.get(req.user, req.id)
 		case req := <-self.removeChan:
@@ -169,10 +179,11 @@ type SessionStoreChan struct {
 	removeChan chan<- removeSessionRequest
 }
 
-func (self *SessionStoreChan) New(ctx *ImportContext) (string, *SessionChan, int, string) {
+func (self *SessionStoreChan) New(ctx *ImportContext, refId string) (string, *SessionChan, int, string) {
 	res_ch := make(chan newSessionResponse)
 	req := newSessionRequest{}
 	req.ctx = ctx
+	req.refId = refId
 	req.response = res_ch
 	self.newChan <- req
 
@@ -180,7 +191,7 @@ func (self *SessionStoreChan) New(ctx *ImportContext) (string, *SessionChan, int
 	return res.id, res.session, res.responsecode, res.errorstring
 }
 
-func (self *SessionStoreChan) Get(user, id string) (*SessionChan, int, string) {
+func (self *SessionStoreChan) Get(user, id string) (*SessionChan, string, int, string) {
 	res_ch := make(chan getSessionResponse)
 	req := getSessionRequest{}
 	req.user = user
@@ -189,7 +200,7 @@ func (self *SessionStoreChan) Get(user, id string) (*SessionChan, int, string) {
 	self.getChan <- req
 
 	res := <-res_ch
-	return res.session, res.responsecode, res.errorstring
+	return res.session, res.refId, res.responsecode, res.errorstring
 }
 
 func (self *SessionStoreChan) Remove(user, id string) (int, string) {
@@ -227,7 +238,7 @@ func NewSessionStore(conf *Config) (store *SessionStore, err error) {
 
 	store.quit = make(chan bool)
 	store.done = make(chan bool)
-	store.store = make(map[string]map[string]*Session)
+	store.store = make(map[string]map[string]*SessionStoreElement)
 	store.newChan = make(chan newSessionRequest, 10)
 	store.getChan = make(chan getSessionRequest, 10)
 	store.removeChan = make(chan removeSessionRequest, 10)
-- 
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