My server looks like this and its been working for me for the past few
months without issue:
(defroutes ws-routes
(GET "/cmd/chsk" req (ring-ajax-get-or-ws-handshake req))
(POST "/cmd/chsk" req (ring-ajax-post req)))
(defn run
[& [routes]]
(let [site (http-handler/site (compojure/routes ws-routes routes))
webserver (httpkit/run-server site {:port 3002})
{:keys [ch-recv send-fn ajax-post-fn ajax-get-or-ws-handshake-fn
connected-uids]} (sente/make-channel-socket! {})]
(def ring-ajax-post ajax-post-fn)
(def ring-ajax-get-or-ws-handshake ajax-get-or-ws-handshake-fn)
(def ch-chsk ch-recv) ; ChannelSocket's
receive channel
(def chsk-send! send-fn) ; ChannelSocket's send API fn
(def connected-uids connected-uids) ; Watchable,
read-only atom
(def server webserver)
(sente/start-chsk-router-loop! sente-message-router ch-chsk)
webserver))
Where sente-message-router is a function that receives messages from the
client.
In my actual codebase, there is a little more additional code for setting
up client-id's and CSRF tokens too.
On 26 July 2014 05:33, Timothy Washington <[email protected]> wrote:
> Hi all,
>
> I'm using [com.taoensso/sente "0.15.1"
> <https://github.com/ptaoussanis/sente>], and having trouble connecting
> the client to the server. I'm sure it's something simple, but not obvious,
> as this is taken directly from the examples on sente's github page. Anyone
> seen and fixed the error in fig.1? The clojurescript and clojure code are
> in fig 2 and 3 respectively.
>
>
> WebSocket connection to 'ws://172.28.128.5:58269/chsk' failed: Error
> during WebSocket handshake: Unexpected response code: 404
> WebSocket error: [object Event] VM1707:1689
> Chsk is closed: will try reconnect (8). VM1707:1689
>
> fig.1 - Chrome network error message
>
> (ns my.ns
> (:require-macros
> [cljs.core.match.macros :refer (match)] ; Optional, useful
> [cljs.core.async.macros :as asyncm :refer (go go-loop)])
> (:require
> ;;[clojure.browser.repl :as repl]
> [cljs.core.match] ; Optional, useful
> [cljs.core.async :as async :refer (<! >! put! chan)]
> [taoensso.sente :as sente :refer (cb-success?)]))
>
>
> (let [{:keys [chsk ch-recv send-fn state]}
> (sente/make-channel-socket! "/chsk" {:type :auto})]
>
> (def chsk chsk)
> (def ch-chsk ch-recv)
> (def chsk-send! send-fn)
> (def chsk-state state))
>
> (defn one []
> (chsk-send! [:some/request-id {:name "Rich Hickey" :type "Awesome"}]))
>
>
> *fig.2 - my.cljs *
>
>
> (ns my.http.ns
> (:require [compojure.core :refer :all]
> ...
>
> ;; Sente stuff
> [clojure.core.match :as match :refer (match)] ; Optional,
> useful
> [clojure.core.async :as async :refer (<! <!! >! >!! put! chan
> go go-loop)]
> [taoensso.sente :as sente]))
>
>
> (let [{:keys [ch-recv send-fn ajax-post-fn ajax-get-or-ws-handshake-fn]}
> (sente/make-channel-socket! {})]
>
> (def ring-ajax-post ajax-post-fn)
> (def ring-ajax-get-or-ws-handshake ajax-get-or-ws-handshake-fn)
> (def ch-chsk ch-recv)
> (def chsk-send! send-fn))
>
> ...
>
> (defn create-approutes [project-config browserrepl]
>
> (defroutes app-routes
>
> ;; Sente stuff
> (GET "/chsk" req (ring-ajax-get-or-ws-handshake req)) ; tried both
> ring-ajax-get-or-ws-handshake and *#'*ring-ajax-get-or-ws-handshake
> (POST "/chsk" req (ring-ajax-post req)) ; same
> here for trying both
>
>
> (GET "/" []
> (-> (ring-resp/response (with-browser-repl "index.html"
> browserrepl))
> (ring-resp/content-type "text/html")))
>
> (route/resources "/" {:root "resources/public/"})
> (route/not-found "Not Found")))
>
> *fig.3 - my.clj *
>
>
> Tim Washington
> Interruptsoftware.com <http://interruptsoftware.com>
>
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