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-rw-r--r--src/cljs/gnunet_web/service.cljs6
-rw-r--r--src/cljs/gnunet_web/webrtc.cljs68
2 files changed, 72 insertions, 2 deletions
diff --git a/src/cljs/gnunet_web/service.cljs b/src/cljs/gnunet_web/service.cljs
index e7e8254..0eea5a2 100644
--- a/src/cljs/gnunet_web/service.cljs
+++ b/src/cljs/gnunet_web/service.cljs
@@ -1,5 +1,5 @@
;; service.cljs - service manager for gnunet-web website
-;; Copyright (C) 2013-2015 David Barksdale <amatus@amat.us>
+;; Copyright (C) 2013-2018 David Barksdale <amatus@amat.us>
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
@@ -15,7 +15,8 @@
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(ns gnunet-web.service
- (:require [cognitect.transit :as t]))
+ (:require [cognitect.transit :as t]
+ [gnunet-web.webrtc :refer [peer-connect]]))
(def private-key
;; XXX This has no synchronization!
@@ -68,6 +69,7 @@
"client_connect" (client-connect (aget data "service_name")
(aget data "client_name")
(aget data "message_port"))
+ "peer_connect" (peer-connect (aget data "message_port") (aget data "offer"))
(.warn js/console worker-name data))))
(catch :default e
(js/console.error "REKT" e))))
diff --git a/src/cljs/gnunet_web/webrtc.cljs b/src/cljs/gnunet_web/webrtc.cljs
new file mode 100644
index 0000000..d43292e
--- /dev/null
+++ b/src/cljs/gnunet_web/webrtc.cljs
@@ -0,0 +1,68 @@
+;; webrtc.cljs - WebRTC functions for gnunet-web
+;; Copyright (C) 2018 David Barksdale <amatus@amat.us>
+;;
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+(ns gnunet-web.webrtc)
+
+(def rtc-config
+ (clj->js
+ {:ice-servers [{:url "stun:stun.l.google.com:19302"}]}))
+
+(def data-channel-config
+ (clj->js
+ {:ordered false
+ :maxRetransmits 0
+ :negotiated true
+ :id 1}))
+
+(defn peer-connect
+ [message-port offer]
+ (.debug js/console "peer-connect called with offer:" offer)
+ (let [connection (js/RTCPeerConnection. rtc-config)
+ channel (.createDataChannel connection
+ "data"
+ data-channel-config)]
+ (set! (.-onopen channel)
+ nil)
+ (set! (.-onmessage channel)
+ nil)
+ (if (empty? offer)
+ (.then (.createOffer connection)
+ (fn [offer]
+ (.debug js/console "created offer:" offer)
+ (.setLocalDescription connection offer)
+ (.postMessage message-port
+ (js-obj "type" "offer"
+ "sdp" (.-sdp offer)))))
+ (.then (.setRemoteDescription connection
+ (js-obj "type" "offer"
+ "sdp" offer))
+ (fn []
+ (.then (.createAnswer connection)
+ (fn [answer]
+ (.debug js/console "created answer:" answer)
+ (.setLocalDescription connection answer)
+ (.postMessage message-port
+ (js-obj "type" "answer"
+ "sdp" (.-sdp answer))))))))
+ (set! (.-onmessage message-port)
+ (fn [e]
+ (.debug js/console "got webrtc message-channel message" e)
+ (let [data (.-data e)]
+ (condp = (.-type data)
+ "answer" (.then (.setRemoteDescription connection
+ (js-obj "type" "answer"
+ "sdp" (.-sdp data)))
+ (fn []))))))))