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;; transport.cljs - transport service for gnunet-web website
;; Copyright (C) 2014 David Barksdale <amatus@amatus.name>
;;
;; 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.transport
(:use [gnunet-web.encoder :only (encode-uint32)]
[gnunet-web.message :only (encode-message parse-message-types
parse-peer-identity)]
[gnunet-web.parser :only (items optional parser parse-absolute-time
parse-uint32)]
[gnunet-web.service :only (client-connect)])
(:require [goog.crypt])
(:require-macros [monads.macros :as monadic]))
(def message-type-monitor-peer-request 380)
(def message-type-peer-iterate-reply 383)
(defn encode-monitor-peer-request-message
[{:keys [one-shot peer] :or {one-shot false peer (repeat 32 0)}}]
(encode-message
{:message-type message-type-monitor-peer-request
:message
(concat
(encode-uint32 one-shot)
peer)}))
(def parse-peer-iterate-reply
(with-meta
(optional
(monadic/do parser
[reserved parse-uint32
peer parse-peer-identity
state-timeout parse-absolute-time
local-address-info parse-uint32
state parse-uint32
address-length parse-uint32
plugin-length parse-uint32
address (items address-length)
plugin (items plugin-length)]
{:peer peer
:state-timeout state-timeout
:local-address-info local-address-info
:state state
:address (vec (.apply js/Array (array) address))
:plugin (goog.crypt/utf8ByteArrayToString
(.apply js/Array (array) plugin))}))
{:message-type message-type-peer-iterate-reply}))
(defn monitor-peers
[callback]
(let [message-channel (js/MessageChannel.)]
(set! (.-onmessage (.-port1 message-channel))
(fn [event]
(let [message (first (.-v ((parse-message-types
#{parse-peer-iterate-reply})
(.-data event))))]
(callback (:message message)))))
(client-connect "transport" "web app" (.-port2 message-channel))
(.postMessage (.-port1 message-channel)
(into-array (encode-monitor-peer-request-message {})))))
(def state-strings
{0 "Not connected"
1 "Waiting for ATS"
2 "Waiting for CONNECT_ACK"
3 "Waiting for ATS suggestion"
4 "Waiting for SESSION_ACK"
5 "Connected"
6 "ATS Reconnect"
7 "Reconnecting"
8 "Switching address"
9 "Disconnecting"
10 "Disconnect finished"})
(defn state->string
[state]
(get state-strings state))
(defn addr->string
[address]
(goog.crypt/utf8ByteArrayToString (to-array (drop 8 address))))
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