coolaj86/telebit.js
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rearranged some of the handler functions

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This commit is contained in:
tigerbot 2017-04-07 17:38:55 -06:00
parent 61a8d29c5e
commit cbdff3e55b
1 changed files with 62 additions and 73 deletions
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133
wsclient.js
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@ -9,13 +9,52 @@ var authenticated = false;
function run(copts) {
var tunnelUrl = copts.stunneld.replace(/\/$/, '') + '/?access_token=' + copts.token;
var wstunneler;
var localclients = {};
// BaaS / Backendless / noBackend / horizon.io
// user authentication
// a place to store data
// file management
// Synergy Teamwork Paradigm = Jabberwocky
var handlers = {
var clientHandlers = {
onClose: function (cid, opts, err) {
try {
wstunneler.send(Packer.pack(opts, null, err && 'error' || 'end'), { binary: true });
} catch(e) {
// ignore
}
delete localclients[cid];
console.log('[local onClose] closed "' + cid + '" (' + clientHandlers.count() + ' clients)');
}
, onError: function(cid, opts, err) {
console.info("[local onError] closing '" + cid + "' because '" + err.message + "'");
clientHandlers.onClose(cid, opts, err);
}
, closeSingle: function (cid) {
console.log('[closeSingle]', cid);
if (!localclients[cid]) {
return;
}
try {
localclients[cid].end();
} catch(e) {
// ignore
}
delete localclients[cid];
}
, closeAll: function () {
console.log('[close clients]');
Object.keys(localclients).forEach(function (cid) {
try {
localclients[cid].end();
} catch(e) {
// ignore
}
delete localclients[cid];
});
}
, count: function () {
return Object.keys(localclients).length;
}
};
var packerHandlers = {
onmessage: function (opts) {
var net = copts.net || require('net');
var cid = Packer.addrToId(opts);
@ -34,7 +73,7 @@ function run(copts) {
return;
}
if (!portList) {
handlers._onLocalError(cid, opts, new Error("unsupported service '" + service + "'"));
packerHandlers._onConnectError(cid, opts, new Error("unsupported service '" + service + "'"));
return;
}
@ -52,13 +91,11 @@ function run(copts) {
if (!servername) {
//console.warn(opts.data.toString());
handlers._onLocalError(cid, opts, new Error("missing servername for '" + cid + "' " + opts.data.byteLength));
packerHandlers._onConnectError(cid, opts, new Error("missing servername for '" + cid + "' " + opts.data.byteLength));
return;
}
port = portList[servername] || portList['*'];
console.info("[connect] new client '" + cid + "' for '" + servername + "' (" + (handlers._numClients() + 1) + " clients)");
console.log('port', port, opts.port, service, portList);
localclients[cid] = net.createConnection({
port: port
@ -74,15 +111,8 @@ function run(copts) {
// this will happen before 'data' is triggered
localclients[cid].write(opts.data);
});
// 'data'
/*
localclients[cid].on('data', function (chunk) {
//console.log("[<=] local '" + opts.service + "' sent to '" + cid + "' <= ", chunk.byteLength, "bytes");
//console.log(JSON.stringify(chunk.toString()));
wstunneler.send(Packer.pack(opts, chunk), { binary: true });
});
//*/
///*
console.info("[connect] new client '" + cid + "' for '" + servername + "' (" + clientHandlers.count() + " clients)");
localclients[cid].on('readable', function (size) {
var chunk;
@ -98,59 +128,32 @@ function run(copts) {
do {
chunk = localclients[cid].read(size);
//console.log("[<=] local '" + opts.service + "' sent to '" + cid + "' <= ", chunk.byteLength, "bytes");
//console.log(JSON.stringify(chunk.toString()));
if (chunk) {
wstunneler.send(Packer.pack(opts, chunk), { binary: true });
}
} while (chunk);
});
//*/
localclients[cid].on('error', function (err) {
handlers._onLocalError(cid, opts, err);
});
localclients[cid].on('end', function () {
console.info("[end] closing client '" + cid + "' for '" + servername + "' (" + (handlers._numClients() - 1) + " clients)");
handlers._onLocalClose(cid, opts);
});
localclients[cid].on('error', clientHandlers.onError.bind(null, cid, opts));
localclients[cid].on('end', clientHandlers.onClose.bind(null, cid, opts));
}
, onend: function (opts) {
var cid = Packer.addrToId(opts);
//console.log("[end] '" + cid + "'");
handlers._onend(cid);
clientHandlers.closeSingle(cid);
}
, onerror: function (opts) {
var cid = Packer.addrToId(opts);
//console.log("[error] '" + cid + "'", opts.code || '', opts.message);
handlers._onend(cid);
clientHandlers.closeSingle(cid);
}
, _onend: function (cid) {
console.log('[_onend]');
if (localclients[cid]) {
, _onConnectError: function (cid, opts, err) {
console.info("[_onConnectError] opening '" + cid + "' failed because " + err.message);
try {
localclients[cid].end();
wstunneler.send(Packer.pack(opts, null, 'error'), { binary: true });
} catch(e) {
// ignore
}
}
delete localclients[cid];
}
, _onLocalClose: function (cid, opts, err) {
console.log('[_onLocalClose]');
try {
wstunneler.send(Packer.pack(opts, null, err && 'error' || 'end'), { binary: true });
} catch(e) {
// ignore
}
delete localclients[cid];
}
, _onLocalError: function (cid, opts, err) {
console.info("[error] closing '" + cid + "' because '" + err.message + "' (" + (handlers._numClients() - 1) + " clients)");
handlers._onLocalClose(cid, opts, err);
}
, _numClients: function () {
return Object.keys(localclients).length;
}
};
var wsHandlers = {
onOpen: function () {
@ -158,20 +161,10 @@ function run(copts) {
}
, retry: true
, closeClients: function () {
console.log('[close clients]');
Object.keys(localclients).forEach(function (cid) {
try {
localclients[cid].end();
} catch(e) {
// ignore
}
delete localclients[cid];
});
}
, onClose: function () {
console.log('ON CLOSE');
clientHandlers.closeAll();
if (!authenticated) {
console.info('[close] failed on first attempt... check authentication.');
}
@ -182,10 +175,6 @@ function run(copts) {
else {
console.info('[close] closing tunnel to exit...');
}
process.removeListener('exit', wsHandlers.onExit);
process.removeListener('SIGINT', wsHandlers.onExit);
wsHandlers.closeClients();
}
, onError: function (err) {
@ -196,7 +185,7 @@ function run(copts) {
, onExit: function () {
console.log('[wait] closing wstunneler...');
wsHandlers.retry = false;
wsHandlers.closeClients();
clientHandlers.closeAll();
try {
wstunneler.close();
} catch(e) {
@ -206,7 +195,7 @@ function run(copts) {
}
}
};
var machine = require('tunnel-packer').create(handlers);
var machine = require('tunnel-packer').create(packerHandlers);
console.info("[connect] '" + copts.stunneld + "'");