twister HTML + Javascript User Interface
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// twister_network.js
// 2013 Miguel Freitas
//
// Provides functions for periodic network status check
// Interface to network.html page.
var twisterdConnections = 0;
var twisterdAddrman = 0;
var twisterDhtNodes = 0;
var twisterdBlocks = 0;
var twisterdLastBlockTime = 0;
var twisterdConnectedAndUptodate = false;
// ---
function requestNetInfo(cbFunc, cbArg) {
twisterRpc("getinfo", [],
function(args, ret) {
twisterdConnections = ret.connections;
twisterdAddrman = ret.addrman_total;
twisterdBlocks = ret.blocks;
twisterDhtNodes = ret.dht_nodes;
twisterVersion = ("0000000" + ret.version).slice(-8);
twisterDisplayVersion = twisterVersion.slice(0,2) + '.' +
twisterVersion.slice(2,4) + '.' +
twisterVersion.slice(4,6) + '.' +
twisterVersion.slice(6,8);
$(".connection-count").text(twisterdConnections);
$(".known-peers").text(twisterdAddrman);
$(".blocks").text(twisterdBlocks);
$(".dht-nodes").text(twisterDhtNodes);
$(".version").text(twisterDisplayVersion);
if( !twisterdConnections ) {
$.MAL.setNetworkStatusMsg("Connection lost.", false);
twisterdConnectedAndUptodate = false;
}
if( args.cbFunc )
args.cbFunc(args.cbArg);
}, {cbFunc:cbFunc, cbArg:cbArg},
function(args, ret) {
console.log("Error connecting to local twister daemon.");
}, {});
}
function peerKeypress() {
var peer = $(".new-peer-addr").val();
var $button = $(".add-peer");
if( peer.length ) {
$.MAL.enableButton( $button );
} else {
$.MAL.disableButton( $button );
}
}
function dnsKeypress() {
var peer = $(".new-dns-addr").val();
var $button = $(".add-dns");
if( peer.length ) {
$.MAL.enableButton( $button );
} else {
$.MAL.disableButton( $button );
}
}
function addPeerClick() {
var peer = $(".new-peer-addr").val();
twisterRpc("addnode", [peer, "onetry"],
function(args, ret) {
$(".new-peer-addr").val("")
}, {},
function(args, ret) {
alert("Error: " + ret.message);
}, {});
}
function addDNSClick() {
var dns = $(".new-dns-addr").val();
twisterRpc("adddnsseed", [dns],
function(args, ret) {
$(".new-dns-addr").val("")
}, {},
function(args, ret) {
alert("Error: " + ret.message);
}, {});
}
function requestBestBlock(cbFunc, cbArg) {
twisterRpc("getbestblockhash", [],
function(args, hash) {
requestBlock(hash, args.cbFunc, args.cbArg);
}, {cbFunc:cbFunc, cbArg:cbArg},
function(args, ret) {
console.log("getbestblockhash error");
}, {});
}
function requestBlock(hash, cbFunc, cbArg) {
twisterRpc("getblock", [hash],
function(args, block) {
twisterdLastBlockTime = block.time;
$(".last-block-time").text( timeGmtToText(twisterdLastBlockTime) );
if( args.cbFunc )
args.cbFunc(args.cbArg);
}, {cbFunc:cbFunc, cbArg:cbArg},
function(args, ret) {
console.log("requestBlock error");
}, {});
}
function networkUpdate(cbFunc, cbArg) {
requestNetInfo(function () {
requestBestBlock(function(args) {
var curTime = new Date().getTime() / 1000;
if( twisterdConnections ) {
if( twisterdLastBlockTime > curTime + 3600 ) {
$.MAL.setNetworkStatusMsg("Last block is ahead of your computer time, check your clock.", false);
twisterdConnectedAndUptodate = false;
} else if( twisterdLastBlockTime > curTime - (2 * 3600) ) {
if( twisterDhtNodes ) {
$.MAL.setNetworkStatusMsg("Block chain is up-to-date, twister is ready to use!", true);
twisterdConnectedAndUptodate = true;
} else {
$.MAL.setNetworkStatusMsg("DHT network down.", false);
twisterdConnectedAndUptodate = true;
}
} else {
var daysOld = (curTime - twisterdLastBlockTime) / (3600*24);
$.MAL.setNetworkStatusMsg("Downloading block chain, please wait before continuing " +
"(block chain is " +
daysOld.toFixed(2) +
" days old).", false);
twisterdConnectedAndUptodate = false;
}
}
if( args.cbFunc )
args.cbFunc(args.cbArg)
}, {cbFunc:cbFunc, cbArg:cbArg} );
});
}
function getMiningInfo(cbFunc, cbArg) {
twisterRpc("getmininginfo", [],
function(args, ret) {
miningDifficulty = ret.difficulty;
miningHashRate = ret.hashespersec;
$(".mining-difficulty").text(miningDifficulty);
$(".mining-hashrate").text(miningHashRate);
/*
if( !twisterdConnections ) {
$.MAL.setNetworkStatusMsg("Connection lost.", false);
twisterdConnectedAndUptodate = false;
}
*/
if( args.cbFunc )
args.cbFunc(args.cbArg);
}, {cbFunc:cbFunc, cbArg:cbArg},
function(args, ret) {
console.log("Error connecting to local twister daemon.");
}, {});
}
function miningUpdate(cbFunc, cbArg) {
getMiningInfo(cbFunc, cbArg);
}
function getGenerate() {
twisterRpc("getgenerate", [],
function(args, ret) {
var $genblock = $("select.genblock");
if( ret ) {
$genblock.val("enable");
} else {
$genblock.val("disable");
}
}, {},
function(args, ret) {
console.log("getgenerate error");
}, {});
}
function setGenerate() {
var params = [];
params.push($("select.genblock").val() == "enable");
params.push(parseInt($(".genproclimit").val()));
twisterRpc("setgenerate", params,
function(args, ret) {
console.log("setgenerate updated");
}, {},
function(args, ret) {
console.log("getgenerate error");
}, {});
}
function getSpamMsg() {
twisterRpc("getspammsg", [],
function(args, ret) {
var $postArea = $(".spam-msg");
var $localUsersList = $("select.local-usernames.spam-user");
$postArea.val(ret[1]);
$localUsersList.val(ret[0]);
}, {},
function(args, ret) {
console.log("getgenerate error");
}, {});
}
function setSpamMsg() {
var $postArea = $(".spam-msg");
var $localUsersList = $("select.local-usernames.spam-user");
var params = [$localUsersList.val(), $postArea.val()]
twisterRpc("setspammsg", params,
function(args, ret) {
console.log("setspammsg updated");
}, {},
function(args, ret) {
console.log("setspammsg error");
}, {});
}
function exitDaemon() {
if (confirm('Are you sure you want to exit the daemon?\nThe Twister client will stop working.')) {
$( ".terminate-daemon").text("Exiting...");
$( ".terminate-daemon").addClass("disabled");
$.MAL.disableButton( $( ".terminate-daemon") );
twisterRpc("stop", undefined,
function(args, ret) {
console.log("daemon exiting");
setTimeout(function _reload_after_exit() {
window.location.href = '/abort.html';
}, 2000);
}, {},
function(args, ret) {
console.log("error while exiting daemon");
}, {});
}
}
// handlers common to both desktop and mobile
function interfaceNetworkHandlers() {
$( ".new-peer-addr" ).keyup( peerKeypress );
$( ".new-dns-addr" ).keyup( dnsKeypress );
$( ".add-peer").bind( "click", addPeerClick );
$( ".add-dns").bind( "click", addDNSClick );
$( "select.genblock").change( setGenerate );
$( ".update-spam-msg").bind( "click", setSpamMsg );
$( ".terminate-daemon").bind( "click", exitDaemon )
}
function initInterfaceNetwork() {
initInterfaceCommon();
initUser( function () {
getSpamMsg();
if( defaultScreenName ) {
loadFollowing( function() {
initMentionsCount();
initDMsCount();
});
}
});
networkUpdate();
setInterval("networkUpdate()", 2000);
miningUpdate();
setInterval("miningUpdate()", 2000);
getGenerate();
interfaceNetworkHandlers();
}