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// Copyright 2019-2020 The Hush developers
// Released under the GPLv3
package org.myhush.silentdragon
import android.annotation.SuppressLint
import android.content.Context
import android.content.Intent
import android.content.res.Resources
import android.util.Log
import com.beust.klaxon.Json
import com.beust.klaxon.JsonObject
import com.beust.klaxon.json
import okhttp3.*
import okio.ByteString
import org.json.JSONObject
import java.lang.Exception
import java.net.ConnectException
import java.util.*
import java.util.concurrent.TimeUnit
import kotlin.collections.HashMap
object ConnectionManager {
val DATA_SIGNAL: String = "ConnectionManager_NewData_Signal"
/**
* Refresh all data, including attempting a connection if none exists
*/
fun refreshAllData() {
// First, try to make a connection.
makeConnection()
initCurrencies()
}
// Attempt a connection to the server. If there is no saved connection, we'll set the connection status
// to None
private fun makeConnection(directConn : Boolean = true) {
val connString =
DataModel.getConnString(SilentDragonApp.appContext!!)
if (connString.isNullOrBlank()) {
// The user might have just disconnected, so make sure we are disconnected
DataModel.ws?.close(1000, "disconnected")
sendUpdateDataSignal(true)
return
}
println("MakeConnection")
// If still connecting, this is a duplicate call, so do nothing but wait.
if (DataModel.connStatus == DataModel.ConnectionStatus.CONNECTING) {
return
}
// If already connected, then refresh data
if (DataModel.connStatus == DataModel.ConnectionStatus.CONNECTED) {
DataModel.makeAPICalls()
return
}
println("Attempting new connection ${DataModel.connStatus}")
sendRefreshSignal(false)
// If direct connection, then connect to the URL in connection string
if (directConn) {
// Update status to connecting, so we can update the UI
DataModel.connStatus =
DataModel.ConnectionStatus.CONNECTING
println("Connstatus = connecting")
val client = OkHttpClient.Builder().connectTimeout(2, TimeUnit.SECONDS).build()
val request = Request.Builder().url(connString).build()
val listener = WebsocketClient(true)
DataModel.ws = client.newWebSocket(request, listener)
} else {
// Connect to the wormhole
DataModel.connStatus =
DataModel.ConnectionStatus.CONNECTING
println("Connstatus = connecting")
val client = OkHttpClient.Builder().connectTimeout(5, TimeUnit.SECONDS).build()
val request = Request.Builder().url("wss://wormhole.myhush.org:443").build()
//val request = Request.Builder().url("ws://192.168.5.187:7070").build()
val listener = WebsocketClient(false)
DataModel.ws = client.newWebSocket(request, listener)
}
}
fun closeConnection() {
DataModel.ws?.close(1000, "Close requested")
}
fun sendRefreshSignal(finished: Boolean) {
val i = Intent(DATA_SIGNAL)
i.putExtra("action", "refresh")
i.putExtra("finished", finished)
SilentDragonApp.appContext?.sendBroadcast(i)
}
fun sendUpdateDataSignal(updateTxns: Boolean = false) {
val i = Intent(DATA_SIGNAL)
i.putExtra("action", "newdata")
i.putExtra("updateTxns", updateTxns)
SilentDragonApp.appContext?.sendBroadcast(i)
}
fun sendErrorSignal(msg: String? = null, doDisconnect: Boolean = false) {
val i = Intent(DATA_SIGNAL)
i.putExtra("action", "error")
i.putExtra("msg", msg)
i.putExtra("doDisconnect", doDisconnect)
SilentDragonApp.appContext?.sendBroadcast(i)
}
fun initCurrencies(){
try {
DataModel.currencySymbols["AUD"] = "$"
DataModel.currencySymbols["BTC"] = "BTC"
DataModel.currencySymbols["CAD"] = "$"
DataModel.currencySymbols["CNY"] = "¥"
DataModel.currencySymbols["EUR"] = ""
DataModel.currencySymbols["GBP"] = "£"
DataModel.currencySymbols["JPY"] = "¥"
DataModel.currencySymbols["KRW"] = ""
DataModel.currencySymbols["MXN"] = "$"
DataModel.currencySymbols["MYR"] = "RM"
DataModel.currencySymbols["PHP"] = ""
DataModel.currencySymbols["PKR"] = ""
DataModel.currencySymbols["RUB"] = ""
DataModel.currencySymbols["SGD"] = "$"
DataModel.currencySymbols["THB"] = "฿"
DataModel.currencySymbols["USD"] = "$"
DataModel.currencySymbols["VEF"] = "Bs"
DataModel.currencySymbols["VND"] = ""
DataModel.currencySymbols["XAG"] = "XAG"
DataModel.currencySymbols["XAU"] = "XAU"
DataModel.currencySymbols["ZAR"] = "R"
Thread {
val client = OkHttpClient()
val currencies = "usd,eur,jpy,btc,cny,rub,cad,sgd,chf,inr,gbp,aud,pkr,mxn,php,vnd,thb,zar,krw,myr,vef,xau,xag"
val request: Request = Request.Builder()
.url("https://api.coingecko.com/api/v3/simple/price?ids=hush&vs_currencies=${currencies}")
.build()
val response: Response = client.newCall(request).execute()
val json: JSONObject = JSONObject(response.body()?.string() as @NonNull String)["hush"] as JSONObject
if (json.length() > 0){
for (cur: String in json.keys()){
DataModel.currencyValues[cur.toUpperCase()] = json.getDouble(cur)
if(!DataModel.currencySymbols.containsKey(cur.toUpperCase()))
DataModel.currencySymbols[cur.toUpperCase()] = cur.toUpperCase()
}
}
}.start()
}catch (e: Exception){
e.printStackTrace()
}
}
private class WebsocketClient (directConn: Boolean) : WebSocketListener() {
val m_directConn = directConn
val TAG = "WebsocketClient"
override fun onOpen(webSocket: WebSocket, response: Response) {
Log.d(TAG, "Opened Websocket")
DataModel.connStatus =
DataModel.ConnectionStatus.CONNECTED
println("Connstatus = connected")
// If direct connection, start making API calls to get data.
if (m_directConn) {
DataModel.makeAPICalls()
} else {
// If this is a connection to wormhole, we have to register ourselves before we make any API calls
if (!DataModel.getWormholeCode().isNullOrBlank()) {
webSocket.send( json { obj( "register" to DataModel.getWormholeCode()) }.toJsonString())
// Delay sending the API calls a bit to let the register call finish
Timer().schedule(object : TimerTask() {
override fun run() {
DataModel.makeAPICalls()
}}, 100)
}
}
sendUpdateDataSignal()
}
override fun onMessage(webSocket: WebSocket?, text: String?) {
Log.i(TAG, "Receiving $text")
val r = DataModel.parseResponse(text!!)
if (r.displayMsg != null) {
sendErrorSignal(
r.displayMsg,
r.doDisconnect
)
if (r.doDisconnect) {
// We don't pass a reason here, because we already sent the error signal above
webSocket?.close(1000, null)
}
} else {
sendUpdateDataSignal(r.updateTxns)
sendRefreshSignal(r.updateTxns)
}
}
override fun onMessage(webSocket: WebSocket?, bytes: ByteString) {
Log.i(TAG, "Receiving bytes : " + bytes.hex())
}
override fun onClosing(webSocket: WebSocket, code: Int, reason: String?) {
DataModel.connStatus =
DataModel.ConnectionStatus.DISCONNECTED
println("Connstatus = disconnected")
Log.i(TAG,"Closing : $code / $reason")
//if (!reason.isNullOrEmpty()) {
// sendErrorSignal(reason, true)
//}
sendRefreshSignal(true)
}
override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
Log.e(TAG,"Failed $t")
DataModel.connStatus =
DataModel.ConnectionStatus.DISCONNECTED
val allowInternet = DataModel.getAllowInternet() && DataModel.getGlobalAllowInternet()
// If the connection is direct, and there is no need to further connect, so just error out
if (t is ConnectException && (m_directConn && !allowInternet)) {
var mesg = t.localizedMessage
if (!DataModel.getAllowInternet()) {
mesg += ": " + SilentDragonApp.appContext!!.getString(R.string.Connecting_over_internet_not_enabled_in_desktop_node)
} else if (!DataModel.getGlobalAllowInternet()) {
mesg += ": " + SilentDragonApp.appContext!!.getString(R.string.Connecting_over_internet_is_disabled_in_settings)
}
sendErrorSignal(mesg, true)
sendRefreshSignal(true)
return
}
// If this was a direct connection and there was a failure to connect, retry connecting
// without the direct connection (i.e., through wormhole)
if (m_directConn && allowInternet) {
makeConnection(false)
} else {
// Not a direct connection (or we're not allowed to connect to internet) and there was a failure.
sendErrorSignal(
t.localizedMessage,
true
)
sendRefreshSignal(true)
}
}
}
}