From ad343a0f4ad175053f7d0da12a0587bcbb396d1c Mon Sep 17 00:00:00 2001
From: Joram Wilander <jwawilander@gmail.com>
Date: Tue, 12 Jul 2016 09:36:27 -0400
Subject: Added infrastructure for basic WebSocket API (#3432)

---
 api/websocket_router.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 api/websocket_router.go

(limited to 'api/websocket_router.go')

diff --git a/api/websocket_router.go b/api/websocket_router.go
new file mode 100644
index 000000000..cd3ff4d1a
--- /dev/null
+++ b/api/websocket_router.go
@@ -0,0 +1,59 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api
+
+import (
+	l4g "github.com/alecthomas/log4go"
+
+	"github.com/mattermost/platform/model"
+	"github.com/mattermost/platform/utils"
+)
+
+type WebSocketRouter struct {
+	handlers map[string]*webSocketHandler
+}
+
+func NewWebSocketRouter() *WebSocketRouter {
+	router := &WebSocketRouter{}
+	router.handlers = make(map[string]*webSocketHandler)
+	return router
+}
+
+func (wr *WebSocketRouter) Handle(action string, handler *webSocketHandler) {
+	wr.handlers[action] = handler
+}
+
+func (wr *WebSocketRouter) ServeWebSocket(conn *WebConn, r *model.WebSocketRequest) {
+	if r.Action == "" {
+		err := model.NewLocAppError("ServeWebSocket", "api.web_socket_router.no_action.app_error", nil, "")
+		wr.ReturnWebSocketError(conn, r, err)
+		return
+	}
+
+	if r.Seq <= 0 {
+		err := model.NewLocAppError("ServeWebSocket", "api.web_socket_router.bad_seq.app_error", nil, "")
+		wr.ReturnWebSocketError(conn, r, err)
+		return
+	}
+
+	var handler *webSocketHandler
+	if h, ok := wr.handlers[r.Action]; !ok {
+		err := model.NewLocAppError("ServeWebSocket", "api.web_socket_router.bad_action.app_error", nil, "")
+		wr.ReturnWebSocketError(conn, r, err)
+		return
+	} else {
+		handler = h
+	}
+
+	handler.ServeWebSocket(conn, r)
+}
+
+func (wr *WebSocketRouter) ReturnWebSocketError(conn *WebConn, r *model.WebSocketRequest, err *model.AppError) {
+	l4g.Error(utils.T("api.web_socket_router.log.error"), r.Seq, conn.UserId, err.SystemMessage(utils.T), err.DetailedError)
+
+	err.DetailedError = ""
+	errorResp := model.NewWebSocketError(r.Seq, err)
+
+	conn.Send <- errorResp
+}
-- 
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