status-im
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react-native-tcp
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intial server implementation

This commit is contained in:
Andy Prock 2015-12-22 15:53:08 -08:00
parent c67d90052b
commit 0ea4912a3a
14 changed files with 329 additions and 462 deletions
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102
TcpSocket.js
View File

@ -23,20 +23,36 @@ var Sockets = NativeModules.TcpSockets;
var base64 = require('base64-js');
var Base64Str = require('./base64-str');
var noop = function () {};
var instances = 0;
var usedIds = [];
var STATE = {
DISCONNECTED: 0,
CONNECTING: 1,
CONNECTED: 2
};
module.exports = TcpSocket;
exports.Socket = TcpSocket;
function TcpSocket(options) {
EventEmitter.call(this);
this._id = instances++;
this._state = STATE.DISCONNECTED;
options = options || {};
var nativeSocket = false;
if (!options._id) {
// javascript generated sockets range from 1-1000
this._id = Math.floor((Math.random() * 1000) + 1);
while (usedIds.indexOf(this._id) !== -1) {
this._id = Math.floor((Math.random() * 1000) + 1);
}
} else {
// native generated sockets range from 5000-6000
// e.g. incoming server connections
this._id = options._id;
nativeSocket = true;
}
usedIds.push(this._id);
this._state = nativeSocket ? STATE.CONNECTED : STATE.DISCONNECTED;
this._connecting = false;
this._hadError = false;
this._host = null;
@ -63,7 +79,9 @@ function TcpSocket(options) {
this.on = this.addListener.bind(this);
}
Sockets.createSocket(this._id); // later
if (nativeSocket === false) {
Sockets.createSocket(this._id);
}
}
inherits(TcpSocket, EventEmitter);
@ -82,7 +100,7 @@ TcpSocket.prototype.connect = function(options, callback) {
}
if (typeof callback === 'function') {
this.once('connected', callback);
this.once('connect', callback);
}
var host = options.host || 'localhost';
@ -282,3 +300,75 @@ function normalizeError (err) {
return err;
}
}
exports.Server = TcpServer;
function TcpServer(options, connectionListener) {
if (!(this instanceof TcpServer)) {
return new TcpServer(options, connectionListener);
}
EventEmitter.call(this);
var self = this;
this._socket = new exports.Socket(options);
this._socket.on('connect', function() {
self.emit('listening');
});
this._socket.on('error', function(error) {
self.emit('error', error);
self._socket.destroy();
});
this._socket.on('close', function() {
self.emit('close');
});
this._socket.on('connection', function(socketId) {
var socket = new exports.Socket({_id : socketId });
self.emit('connection', socket);
});
if (typeof options === 'function') {
connectionListener = options;
options = {};
self.on('connection', connectionListener);
} else {
options = options || {};
if (typeof connectionListener === 'function') {
self.on('connection', connectionListener);
}
}
// this._connections = 0;
// this.allowHalfOpen = options.allowHalfOpen || false;
// this.pauseOnConnect = !!options.pauseOnConnect;
}
inherits(TcpServer, EventEmitter);
TcpServer.prototype.listen = function(options, callback) {
var port = Number(options.port);
var hostname = options.hostname || 'localhost';
if (callback) {
this.on('listening', callback);
}
Sockets.listen(this._socket._id, hostname, port);
return this;
};
TcpServer.prototype.getConnections = function(callback) {
/* nop */
};
TcpServer.prototype.close = function(callback) {
if (callback) {
this.on('close', callback);
}
this._socket.end();
};

73
TcpSockets.js
View File

@ -6,7 +6,13 @@
var ipRegex = require('ip-regex');
exports.Socket = require('./TcpSocket');
var Socket = require('./TcpSocket').Socket;
var Server = require('./TcpSocket').Server;
exports.createServer = function(options, connectionListener) {
return new Server(options, connectionListener);
};
// Target API:
//
@ -20,38 +26,38 @@ exports.Socket = require('./TcpSocket');
// connect(port, [host], [cb])
// connect(path, [cb]);
//
exports.connect = exports.createConnection = function() {
var args = normalizeConnectArgs(arguments);
exports.Socket._debug('createConnection', args);
var s = new exports.Socket(args[0]);
return exports.Socket.prototype.connect.apply(s, args);
};
// exports.connect = exports.createConnection = function() {
// var args = normalizeConnectArgs(arguments);
// Socket._debug('createConnection', args);
// var s = new Socket(args[0]);
// return Socket.prototype.connect.apply(s, args);
// };
//
// // Returns an array [options] or [options, cb]
// // It is the same as the argument of Socket.prototype.connect().
// function normalizeConnectArgs(args) {
// var options = {};
//
// if (args[0] !== null && typeof args[0] === 'object') {
// // connect(options, [cb])
// options = args[0];
// }/* else if (isPipeName(args[0])) {
// // connect(path, [cb]);
// options.path = args[0];
// }*/ else {
// // connect(port, [host], [cb])
// options.port = args[0];
// if (typeof args[1] === 'string') {
// options.host = args[1];
// }
// }
//
// var cb = args[args.length - 1];
// return typeof cb === 'function' ? [options, cb] : [options];
// }
// Returns an array [options] or [options, cb]
// It is the same as the argument of Socket.prototype.connect().
function normalizeConnectArgs(args) {
var options = {};
if (args[0] !== null && typeof args[0] === 'object') {
// connect(options, [cb])
options = args[0];
}/* else if (isPipeName(args[0])) {
// connect(path, [cb]);
options.path = args[0];
}*/ else {
// connect(port, [host], [cb])
options.port = args[0];
if (typeof args[1] === 'string') {
options.host = args[1];
}
}
var cb = args[args.length - 1];
return typeof cb === 'function' ? [options, cb] : [options];
}
exports.createConnection = function(options: { port: number,host: ?string, localAddress: ?string, localPort: ?number, family: ?number }, callback : ?any) : exports.Socket {
var tcpSocket = new exports.Socket();
exports.connect = exports.createConnection = function(options: { port: number, host: ?string, localAddress: ?string, localPort: ?number, family: ?number }, callback : ?any) : Socket {
var tcpSocket = new Socket();
tcpSocket.connect(options, callback);
return tcpSocket;
};
@ -73,3 +79,6 @@ exports.isIPv4 = function(input: string) : boolean {
exports.isIPv6 = function(input: string) : boolean {
return exports.isIP(input) === 6;
};
exports.Socket = Socket;
exports.Server = Server;

104
examples/rctsockets/index.js
View File

@ -13,58 +13,54 @@ global.Buffer = global.Buffer || require('buffer').Buffer;
var net = require('net');
function randomPort() {
return Math.random() * 60536 | 0 + 5000 // 60536-65536
return Math.random() * 60536 | 0 + 5000; // 60536-65536
}
var a = net.createConnection({ port: randomPort() }, function(err) {
if (err) throw err
var aPort = randomPort();
console.log('connected');
var a = net.createServer({}, function(socket) {
console.log('server connected');
// socket.on('data', function (data) {
// var str = String.fromCharCode.apply(null, new Uint8Array(data));
// console.log('a received', str);
// a.close();
// b.end();
// });
socket.on('data', function (data) {
console.log('Server Received: ' + data);
socket.write('Echo server\r\n');
});
socket.on('error', function(error) {
console.log('error ' + error);
});
}).listen({ port: aPort });
// a.on('listening', function() {
// console.log('listening');
// });
//
// a.on('error', function(error) {
// console.log('error ' + error);
// });
var b = net.createConnection({ port: aPort }, function(err) {
if (err) {
throw err;
}
console.log('client connected');
b.write('Hello, server! Love, Client.');
});
a.on('error', function(err) {
console.log(err);
b.on('data', function(data) {
console.log('Client Received: ' + data);
b.end(); // kill client after server's response
a.close();
});
var b = net.createConnection({ port: randomPort() }, function(err) {
if (err) throw err
console.log('connected');
});
b.on('error', function(err) {
console.log(err);
});
// a.on('message', function(data, rinfo) {
// var str = String.fromCharCode.apply(null, new Uint8Array(data));
// console.log('a received', str, rinfo)
// a.close()
// b.close()
// })
//
// b.on('message', function(data, rinfo) {
// var str = String.fromCharCode.apply(null, new Uint8Array(data));
// console.log('b received', str, rinfo)
//
// // echo back
// b.send(data, 0, data.length, aPort, '127.0.0.1', function(err) {
// if (err) throw err
//
// console.log('sent')
// })
// })
//
// b.once('listening', function() {
// var msg = toByteArray('hello')
// a.send(msg, 0, msg.length, bPort, '127.0.0.1', function(err) {
// if (err) throw err
//
// console.log('sent')
// })
// })
var rctsockets = React.createClass({
render: function() {
return (
@ -96,14 +92,14 @@ var styles = StyleSheet.create({
},
});
// // only works for 8-bit chars
// function toByteArray(obj) {
// var uint = new Uint8Array(obj.length);
// for (var i = 0, l = obj.length; i < l; i++){
// uint[i] = obj.charCodeAt(i);
// }
//
// return new Uint8Array(uint);
// }
// only works for 8-bit chars
function toByteArray(obj) {
var uint = new Uint8Array(obj.length);
for (var i = 0, l = obj.length; i < l; i++){
uint[i] = obj.charCodeAt(i);
}
return new Uint8Array(uint);
}
AppRegistry.registerComponent('rctsockets', () => rctsockets);

7
examples/rctsockets/ios/rctsockets.xcodeproj/project.pbxproj
View File

@ -369,7 +369,7 @@
83CBB9F71A601CBA00E9B192 /* Project object */ = {
isa = PBXProject;
attributes = {
LastUpgradeCheck = 0610;
LastUpgradeCheck = 0720;
ORGANIZATIONNAME = Facebook;
TargetAttributes = {
00E356ED1AD99517003FC87E = {
@ -615,6 +615,7 @@
INFOPLIST_FILE = rctsocketsTests/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.2;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
PRODUCT_NAME = "$(TARGET_NAME)";
TEST_HOST = "$(BUILT_PRODUCTS_DIR)/rctsockets.app/rctsockets";
};
@ -632,6 +633,7 @@
INFOPLIST_FILE = rctsocketsTests/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.2;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
PRODUCT_NAME = "$(TARGET_NAME)";
TEST_HOST = "$(BUILT_PRODUCTS_DIR)/rctsockets.app/rctsockets";
};
@ -650,6 +652,7 @@
INFOPLIST_FILE = rctsockets/Info.plist;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
OTHER_LDFLAGS = "-ObjC";
PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
PRODUCT_NAME = rctsockets;
};
name = Debug;
@ -666,6 +669,7 @@
INFOPLIST_FILE = rctsockets/Info.plist;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
OTHER_LDFLAGS = "-ObjC";
PRODUCT_BUNDLE_IDENTIFIER = "org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)";
PRODUCT_NAME = rctsockets;
};
name = Release;
@ -690,6 +694,7 @@
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
COPY_PHASE_STRIP = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_TESTABILITY = YES;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_DYNAMIC_NO_PIC = NO;
GCC_OPTIMIZATION_LEVEL = 0;

13
examples/rctsockets/ios/rctsockets.xcodeproj/xcshareddata/xcschemes/rctsockets.xcscheme
View File

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "0620"
LastUpgradeVersion = "0720"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
@ -37,10 +37,10 @@
</BuildActionEntries>
</BuildAction>
<TestAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
buildConfiguration = "Debug">
shouldUseLaunchSchemeArgsEnv = "YES">
<Testables>
<TestableReference
skipped = "NO">
@ -62,15 +62,18 @@
ReferencedContainer = "container:rctsockets.xcodeproj">
</BuildableReference>
</MacroExpansion>
<AdditionalOptions>
</AdditionalOptions>
</TestAction>
<LaunchAction
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
buildConfiguration = "Debug"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
debugServiceExtension = "internal"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
@ -86,10 +89,10 @@
</AdditionalOptions>
</LaunchAction>
<ProfileAction
buildConfiguration = "Release"
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
buildConfiguration = "Release"
debugDocumentVersioning = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">

17
examples/rctsockets/ios/rctsockets/Info.plist
View File

@ -7,7 +7,7 @@
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)</string>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
@ -22,6 +22,13 @@
<string>1</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
<key>NSLocationWhenInUseUsageDescription</key>
<string></string>
<key>UILaunchStoryboardName</key>
<string>LaunchScreen</string>
<key>UIRequiredDeviceCapabilities</key>
@ -36,13 +43,5 @@
</array>
<key>UIViewControllerBasedStatusBarAppearance</key>
<false/>
<key>NSLocationWhenInUseUsageDescription</key>
<string></string>
<key>NSAppTransportSecurity</key>
<dict>
<!--See http://ste.vn/2015/06/10/configuring-app-transport-security-ios-9-osx-10-11/-->
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
</dict>
</plist>

2
examples/rctsockets/ios/rctsocketsTests/Info.plist
View File

@ -7,7 +7,7 @@
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)</string>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>

2
examples/rctsockets/ios/rctsocketsTests/rctsocketsTests.m
View File

@ -42,7 +42,7 @@
BOOL foundElement = NO;
__block NSString *redboxError = nil;
RCTSetLogFunction(^(RCTLogLevel level, NSString *fileName, NSNumber *lineNumber, NSString *message) {
RCTSetLogFunction(^(RCTLogLevel level, RCTLogSource source, NSString *fileName, NSNumber *lineNumber, NSString *message) {
if (level >= RCTLogLevelError) {
redboxError = message;
}

6
examples/rctsockets/package.json
View File

@ -11,8 +11,12 @@
"dependencies": {
"buffer": "^3.5.3",
"events": "^1.1.0",
"react-native": "^0.15.0",
"react-native": "^0.17.0",
"react-native-tcp": "../../",
"util": "^0.10.3"
},
"devDependencies": {
"babel-eslint": "^4.1.6",
"eslint-plugin-react": "^3.11.3"
}
}

292
examples/rctsockets/telnet-client.js
View File

@ -1,292 +0,0 @@
// https://www.npmjs.com/package/another-telnet-client
(function () {
"use strict";
var util = require('util');
var events = require('events');
var net = require('net');
// define a constructor (object) and inherit EventEmitter functions
function Telnet() {
events.EventEmitter.call(this);
if (false === (this instanceof Telnet)) {
return new Telnet();
}
}
util.inherits(Telnet, events.EventEmitter);
Telnet.prototype.connect = function (opts) {
var self = this;
var host = (typeof opts.host !== 'undefined' ? opts.host : '127.0.0.1');
var port = (typeof opts.port !== 'undefined' ? opts.port : 23);
this.timeout = (typeof opts.timeout !== 'undefined' ? opts.timeout : 500);
this.shellPrompt = (typeof opts.shellPrompt !== 'undefined' ? opts.shellPrompt : /(?:\/ )?#\s/);
this.loginPrompt = (typeof opts.loginPrompt !== 'undefined' ? opts.loginPrompt : /login[: ]*$/i);
this.passwordPrompt = (typeof opts.passwordPrompt !== 'undefined' ? opts.passwordPrompt : /Password: /i);
this.username = (typeof opts.username !== 'undefined' ? opts.username : 'root');
this.password = (typeof opts.password !== 'undefined' ? opts.password : 'guest');
this.enable = (typeof opts.enable !== 'undefined' ? opts.enable : false);
this.enablePrompt = (typeof opts.enablePrompt !== 'undefined' ? opts.enablePrompt : /Password: /i);
this.enablePassword = (typeof opts.enablePassword !== 'undefined' ? opts.enablePassword : 'enablepass');
this.irs = (typeof opts.irs !== 'undefined' ? opts.irs : '\r\n');
this.ors = (typeof opts.ors !== 'undefined' ? opts.ors : '\n');
this.echoLines = (typeof opts.echoLines !== 'undefined' ? opts.echoLines : 1);
this.pageSeparator = (typeof opts.pageSeparator !== 'undefined' ? opts.pageSeparator : '---- More');
this.ignoreOutput = (typeof opts.ignoreOutput !== 'undefined' ? opts.ignoreOutput : false);
this.ignoreOutputTimeout = (typeof opts.ignoreOutputTimeout !== 'undefined' ? opts.ignoreOutputTimeout : 1000);
this.response = '';
this.telnetState = null;
this.telnetSocket = net.createConnection({
port: port,
host: host
}, function () {
self.telnetState = 'start';
self.stringData = '';
self.emit('connect');
});
this.telnetSocket.setTimeout(this.timeout, function () {
if (self.telnetSocket._connecting === true) {
// info: cannot connect; emit error and destroy
self.emit('error', 'Cannot connect');
self.telnetSocket.destroy();
}
else {
self.emit('timeout');
}
});
this.telnetSocket.on('data', function (data) {
parseData(data, self);
});
this.telnetSocket.on('error', function (error) {
self.emit('error', error);
});
this.telnetSocket.on('end', function () {
self.emit('end');
});
this.telnetSocket.on('close', function () {
self.emit('close');
});
};
Telnet.prototype.exec = function (cmd, opts, callback) {
var self = this;
cmd += this.ors;
if (opts && opts instanceof Function) {
callback = opts;
}
else if (opts && opts instanceof Object) {
self.shellPrompt = opts.shellPrompt || self.shellPrompt;
self.loginPrompt = opts.loginPrompt || self.loginPrompt;
self.timeout = opts.timeout || self.timeout;
self.irs = opts.irs || self.irs;
self.ors = opts.ors || self.ors;
self.echoLines = opts.echoLines || self.echoLines;
self.ignoreOutput = opts.ignoreOutput || self.ignoreOutput;
self.ignoreOutputTimeout = opts.ignoreOutputTimeout || self.ignoreOutputTimeout;
}
if (this.telnetSocket.writable) {
this.telnetSocket.write(cmd, function () {
self.telnetState = 'response';
self.emit('writedone');
if (self.ignoreOutput === true) {
setTimeout(function () {
self.ignoreOutput = false;
callback(null);
}, self.ignoreOutputTimeout);
} else {
self.once('responseready', function () {
if (callback && self.cmdOutput !== undefined) {
callback(self.cmdOutput.join('\n'));
}
else if (callback && self.cmdOutput === undefined) {
callback(null);
}
// reset stored response
self.stringData = '';
});
}
});
} else {
callback(new Error("Socket not writable"));
}
};
Telnet.prototype.end = function () {
this.telnetSocket.end();
};
Telnet.prototype.destroy = function () {
this.telnetSocket.destroy();
};
function parseData(chunk, telnetObj) {
var promptIndex = '';
var tempStringData = '';
if (chunk[0] === 255 && chunk[1] !== 255) {
telnetObj.stringData = '';
var negReturn = negotiate(telnetObj, chunk);
if (negReturn === undefined) {
return;
}
else {
chunk = negReturn;
}
}
if (telnetObj.ignoreOutput === true) {
telnetObj.stringData = '';
return;
}
if (telnetObj.telnetState === 'start') {
telnetObj.telnetState = 'getprompt';
}
if (telnetObj.telnetState === 'getprompt') {
tempStringData = chunk.toString();
promptIndex = tempStringData.search(telnetObj.shellPrompt);
if (promptIndex !== -1) {
telnetObj.shellPrompt = tempStringData.substring(promptIndex);
telnetObj.telnetState = 'sendcmd';
telnetObj.stringData = '';
telnetObj.emit('ready', telnetObj.shellPrompt);
}
else if (tempStringData.search(telnetObj.loginPrompt) !== -1) {
telnetObj.telnetState = 'login';
login(telnetObj, 'username');
}
else if (tempStringData.search(telnetObj.passwordPrompt) !== -1) {
telnetObj.telnetState = 'login';
login(telnetObj, 'password');
}
}
else if (telnetObj.telnetState === 'enable') {
tempStringData = chunk.toString();
if (tempStringData.search(telnetObj.enablePrompt) !== -1) {
telnetObj.telnetState = 'login';
login(telnetObj, 'enablePassword');
}
}
else if (telnetObj.telnetState === 'getenprompt') {
tempStringData = chunk.toString();
if (tempStringData.search(telnetObj.shellPrompt) !== -1) {
telnetObj.telnetState = 'login';
login(telnetObj, 'enable');
}
}
else if (telnetObj.telnetState === 'response') {
tempStringData = chunk.toString();
telnetObj.stringData += tempStringData;
promptIndex = tempStringData.search(telnetObj.shellPrompt);
if (promptIndex === -1 && tempStringData.length !== 0) {
if (tempStringData.search(telnetObj.pageSeparator) !== -1) {
telnetObj.telnetSocket.write(Buffer('20', 'hex'));
}
return;
}
telnetObj.cmdOutput = telnetObj.stringData.split(telnetObj.irs);
for (var i = 0; i < telnetObj.cmdOutput.length; i++) {
if (telnetObj.cmdOutput[i].search(telnetObj.pageSeparator) !== -1) {
telnetObj.cmdOutput.splice(i, 1);
}
}
if (telnetObj.echoLines === 1) {
telnetObj.cmdOutput.shift();
}
else if (telnetObj.echoLines > 1) {
telnetObj.cmdOutput.splice(0, telnetObj.echoLines);
}
// remove prompt
telnetObj.cmdOutput.pop();
telnetObj.emit('responseready');
}
}
function login(telnetObj, handle) {
if (handle === 'username') {
if (telnetObj.telnetSocket.writable) {
telnetObj.telnetSocket.write(telnetObj.username + telnetObj.ors, function () {
telnetObj.telnetState = 'getprompt';
});
}
}
else if (handle === 'password') {
if (telnetObj.telnetSocket.writable) {
telnetObj.telnetSocket.write(telnetObj.password + telnetObj.ors, function () {
if (telnetObj.enable) {
telnetObj.telnetState = 'getenprompt';
} else {
telnetObj.telnetState = 'getprompt';
}
});
}
}
else if (handle === 'enable') {
if (telnetObj.telnetSocket.writable) {
telnetObj.telnetSocket.write("en" + telnetObj.ors, function () {
telnetObj.telnetState = 'enable';
});
}
}
else if (handle === 'enablePassword') {
if (telnetObj.telnetSocket.writable) {
telnetObj.telnetSocket.write(telnetObj.enablePassword + telnetObj.ors, function () {
telnetObj.telnetState = 'getprompt';
});
}
}
}
function negotiate(telnetObj, chunk) {
// info: http://tools.ietf.org/html/rfc1143#section-7
// refuse to start performing and ack the start of performance
// DO -> WONT; WILL -> DO
var packetLength = chunk.length, negData = chunk, cmdData, negResp;
for (var i = 0; i < packetLength; i += 3) {
if (chunk[i] !== 255) {
negData = chunk.slice(0, i);
cmdData = chunk.slice(i);
break;
}
}
negResp = negData.toString('hex').replace(/fd/g, 'fc').replace(/fb/g, 'fd');
if (telnetObj.telnetSocket.writable) {
telnetObj.telnetSocket.write(Buffer(negResp, 'hex'));
}
if (cmdData !== undefined) {
return cmdData;
}
}
module.exports = Telnet;
}());

13
ios/TcpSocketClient.h
View File

@ -29,16 +29,19 @@ typedef enum RCTTCPError RCTTCPError;
@protocol SocketClientDelegate <NSObject>
- (void)onConnect:(TcpSocketClient*) client;
- (void)onData:(TcpSocketClient*) client data:(NSData *)data;
- (void)onClose:(TcpSocketClient*) client withError:(NSError *)err;
- (void)onError:(TcpSocketClient*) client withError:(NSError *)err;
- (void)onConnect:(TcpSocketClient*)client;
- (void)onConnection:(TcpSocketClient*)client toClient:(NSNumber *)clientID;
- (void)onData:(NSNumber *)clientID data:(NSData *)data;
- (void)onClose:(TcpSocketClient*)client withError:(NSError *)err;
- (void)onError:(TcpSocketClient*)client withError:(NSError *)err;
- (NSNumber*)generateRandomId;
@end
@interface TcpSocketClient : NSObject
@property (nonatomic, retain) NSNumber * id;
@property (nonatomic, weak) id<SocketClientDelegate> clientDelegate;
///---------------------------------------------------------------------------------------
/// @name Class Methods
@ -65,6 +68,8 @@ typedef enum RCTTCPError RCTTCPError;
*/
- (BOOL)connect:(NSString *)host port:(int)port withOptions:(NSDictionary *)options error:(NSError **)error;
- (BOOL)listen:(NSString *)host port:(int)port error:(NSError **)error;
/**
* write data
*

57
ios/TcpSocketClient.m
View File

@ -18,13 +18,13 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
{
@private
GCDAsyncSocket *_tcpSocket;
id<SocketClientDelegate> _clientDelegate;
NSMutableDictionary<NSNumber *, RCTResponseSenderBlock> *_pendingSends;
NSLock *_lock;
long _sendTag;
}
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>) aDelegate;
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>)aDelegate;
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>)aDelegate andSocket:(GCDAsyncSocket*)tcpSocket;
@end
@ -32,10 +32,15 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
+ (id)socketClientWithId:(nonnull NSNumber *)clientID andConfig:(id<SocketClientDelegate>)delegate
{
return [[[self class] alloc] initWithClientId:clientID andConfig:delegate];
return [[[self class] alloc] initWithClientId:clientID andConfig:delegate andSocket:nil];
}
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>) aDelegate
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>)aDelegate
{
return [self initWithClientId:clientID andConfig:aDelegate andSocket:nil];
}
- (id)initWithClientId:(NSNumber *)clientID andConfig:(id<SocketClientDelegate>)aDelegate andSocket:(GCDAsyncSocket*)tcpSocket;
{
self = [super init];
if (self) {
@ -43,6 +48,7 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
_clientDelegate = aDelegate;
_pendingSends = [NSMutableDictionary dictionary];
_lock = [[NSLock alloc] init];
_tcpSocket = tcpSocket;
}
return self;
@ -82,6 +88,27 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
return result;
}
- (BOOL)listen:(NSString *)host port:(int)port error:(NSError **)error
{
if (_tcpSocket) {
if (error) {
*error = [self badInvocationError:@"this client's socket is already connected"];
}
return false;
}
_tcpSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:[self methodQueue]];
BOOL result = [_tcpSocket acceptOnInterface:host port:port error:error];
if (result == YES) {
[_clientDelegate onConnect: self];
[_tcpSocket readDataWithTimeout:-1 tag:_id.longValue];
}
return result;
}
- (void)setPendingSend:(RCTResponseSenderBlock)callback forKey:(NSNumber *)key
{
[_lock lock];
@ -130,12 +157,12 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
{
[_tcpSocket writeData:data withTimeout:-1 tag:_sendTag];
if (callback) {
[self setPendingSend:callback forKey:[NSNumber numberWithLong:_sendTag]];
[self setPendingSend:callback forKey:@(_sendTag)];
}
_sendTag++;
[_tcpSocket readDataWithTimeout:-1 tag:-1];
[_tcpSocket readDataWithTimeout:-1 tag:_id.longValue];
}
- (void)end
@ -150,9 +177,19 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag {
if (!_clientDelegate) return;
[_clientDelegate onData:self data:data];
[_clientDelegate onData:@(tag) data:data];
[sock readDataWithTimeout:-1 tag:-1];
[sock readDataWithTimeout:-1 tag:tag];
}
- (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket
{
TcpSocketClient *inComing = [[TcpSocketClient alloc] initWithClientId:[_clientDelegate generateRandomId]
andConfig:_clientDelegate
andSocket:newSocket];
[_clientDelegate onConnection: inComing
toClient: _id];
[newSocket readDataWithTimeout:-1 tag:inComing.id.longValue];
}
- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
@ -160,11 +197,13 @@ NSString *const RCTTCPErrorDomain = @"RCTTCPErrorDomain";
if (!_clientDelegate) return;
[_clientDelegate onConnect:self];
[sock readDataWithTimeout:-1 tag:-1];
[sock readDataWithTimeout:-1 tag:_id.longValue];
}
- (void)socketDidCloseReadStream:(GCDAsyncSocket *)sock
{
// TODO : investigate for half-closed sockets
/* no-op */
}
- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err

2
ios/TcpSockets.h
View File

@ -16,6 +16,4 @@
@interface TcpSockets : NSObject<SocketClientDelegate, RCTBridgeModule>
+(NSMutableDictionary<NSNumber *,TcpSocketClient *> *)clients;
@end

101
ios/TcpSockets.m
View File

@ -15,47 +15,38 @@
#import "TcpSocketClient.h"
@implementation TcpSockets
{
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients;
}
RCT_EXPORT_MODULE()
@synthesize bridge = _bridge;
+ (void) initialize {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(closeAllSockets)
name:RCTReloadNotification
object:nil];
}
+(NSMutableDictionary<NSNumber *,TcpSocketClient *> *) clients
-(void)dealloc
{
static NSMutableDictionary* c = nil;
static dispatch_once_t oncePredicate;
dispatch_once(&oncePredicate, ^{
c = [[NSMutableDictionary alloc] init];
});
return c;
for (NSNumber *cId in _clients.allKeys) {
[self destroyClient:cId callback:nil];
}
}
RCT_EXPORT_METHOD(createSocket:(nonnull NSNumber*)cId)
{
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
if (!cId) {
RCTLogError(@"%@.createSocket called with nil id parameter.", [self class]);
return;
}
TcpSocketClient *client = [_clients objectForKey:cId];
if (client) {
if (!_clients) {
_clients = [NSMutableDictionary new];
}
if (_clients[cId]) {
RCTLogError(@"%@.createSocket called twice with the same id.", [self class]);
return;
}
client = [TcpSocketClient socketClientWithId:cId andConfig:self];
[_clients setObject:client forKey:cId];
_clients[cId] = [TcpSocketClient socketClientWithId:cId andConfig:self];
}
RCT_EXPORT_METHOD(connect:(nonnull NSNumber*)cId
@ -63,7 +54,7 @@ RCT_EXPORT_METHOD(connect:(nonnull NSNumber*)cId
port:(int)port
withOptions:(NSDictionary *)options)
{
TcpSocketClient* client = [TcpSockets findClient:cId callback:nil];
TcpSocketClient* client = [self findClient:cId callback:nil];
if (!client) return;
NSError *error = nil;
@ -78,7 +69,7 @@ RCT_EXPORT_METHOD(write:(nonnull NSNumber*)cId
string:(NSString *)base64String
encoded:(BOOL)encoded
callback:(RCTResponseSenderBlock)callback) {
TcpSocketClient* client = [TcpSockets findClient:cId callback:callback];
TcpSocketClient* client = [self findClient:cId callback:callback];
if (!client) return;
// iOS7+
@ -89,30 +80,43 @@ RCT_EXPORT_METHOD(write:(nonnull NSNumber*)cId
RCT_EXPORT_METHOD(end:(nonnull NSNumber*)cId
callback:(RCTResponseSenderBlock)callback) {
[TcpSockets endClient:cId callback:callback];
[self endClient:cId callback:callback];
}
RCT_EXPORT_METHOD(destroy:(nonnull NSNumber*)cId
callback:(RCTResponseSenderBlock)callback) {
[TcpSockets destroyClient:cId callback:callback];
[self destroyClient:cId callback:callback];
}
- (void) onConnect:(TcpSocketClient*) client
RCT_EXPORT_METHOD(listen:(nonnull NSNumber*)cId
host:(NSString *)host
port:(int)port)
{
TcpSocketClient* client = [self findClient:cId callback:nil];
if (!client) return;
NSError *error = nil;
if (![client listen:host port:port error:&error])
{
[self onError:client withError:error];
return;
}
}
- (void)onConnect:(TcpSocketClient*) client
{
[self.bridge.eventDispatcher sendDeviceEventWithName:[NSString stringWithFormat:@"tcp-%@-event", client.id]
body:@{ @"event": @"connect" }];
}
- (void) onData:(TcpSocketClient*) client data:(NSData *)data
- (void)onData:(NSNumber *)clientID data:(NSData *)data
{
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
NSNumber *clientID = [[_clients allKeysForObject:client] objectAtIndex:0];
NSString *base64String = [data base64EncodedStringWithOptions:0];
[self.bridge.eventDispatcher sendDeviceEventWithName:[NSString stringWithFormat:@"tcp-%@-event", clientID]
body:@{ @"event": @"data", @"data": base64String }];
}
- (void) onClose:(TcpSocketClient*) client withError:(NSError *)err
- (void)onClose:(TcpSocketClient*) client withError:(NSError *)err
{
if (err) {
[self onError:client withError:err];
@ -121,7 +125,7 @@ RCT_EXPORT_METHOD(destroy:(nonnull NSNumber*)cId
[self.bridge.eventDispatcher sendDeviceEventWithName:[NSString stringWithFormat:@"tcp-%@-event", client.id]
body:@{ @"event": @"close", @"data": err == nil ? @NO : @YES }];
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
client.clientDelegate = nil;
[_clients removeObjectForKey:client.id];
}
@ -132,10 +136,9 @@ RCT_EXPORT_METHOD(destroy:(nonnull NSNumber*)cId
}
+(TcpSocketClient*)findClient:(nonnull NSNumber*)cId callback:(RCTResponseSenderBlock)callback
-(TcpSocketClient*)findClient:(nonnull NSNumber*)cId callback:(RCTResponseSenderBlock)callback
{
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
TcpSocketClient *client = [_clients objectForKey:cId];
TcpSocketClient *client = _clients[cId];
if (!client) {
if (!callback) {
RCTLogError(@"%@.missing callback parameter.", [self class]);
@ -149,10 +152,10 @@ RCT_EXPORT_METHOD(destroy:(nonnull NSNumber*)cId
return client;
}
+(void) endClient:(nonnull NSNumber*)cId
-(void)endClient:(nonnull NSNumber*)cId
callback:(RCTResponseSenderBlock)callback
{
TcpSocketClient* client = [TcpSockets findClient:cId callback:callback];
TcpSocketClient* client = [self findClient:cId callback:callback];
if (!client) return;
[client end];
@ -160,22 +163,30 @@ RCT_EXPORT_METHOD(destroy:(nonnull NSNumber*)cId
if (callback) callback(@[]);
}
+(void) destroyClient:(nonnull NSNumber*)cId
-(void)destroyClient:(nonnull NSNumber*)cId
callback:(RCTResponseSenderBlock)callback
{
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
TcpSocketClient* client = [TcpSockets findClient:cId callback:nil];
TcpSocketClient* client = [self findClient:cId callback:nil];
if (!client) return;
[client destroy];
[_clients removeObjectForKey:cId];
}
+(void) closeAllSockets {
NSMutableDictionary<NSNumber *,TcpSocketClient *> *_clients = [TcpSockets clients];
for (NSNumber* cId in _clients) {
[TcpSockets endClient:cId callback:nil];
}
-(void)onConnection:(TcpSocketClient *)client toClient:(NSNumber *)clientID {
_clients[client.id] = client;
[self.bridge.eventDispatcher sendDeviceEventWithName:[NSString stringWithFormat:@"tcp-%@-event", clientID]
body:@{ @"event": @"connection", @"data": client.id }];
}
-(NSNumber*)generateRandomId {
int r = 0;
do {
r = (arc4random() % 1000) + 5001;
} while(_clients[@(r)]);
return @(r);
}
@end