[ { "path": ".gitignore", "content": "RCTMultipeerConnectivity.xcodeproj/project.xcworkspace/xcuserdata\nRCTMultipeerConnectivity.xcodeproj/xcuserdata\n" }, { "path": "LICENSE", "content": "The MIT License (MIT)\n\nCopyright (c) 2015 Loch Wansbrough\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE.\n\n" }, { "path": "MultipeerConnection.js", "content": "import React, { DeviceEventEmitter, NativeModules } from 'react-native';\nimport { EventEmitter } from 'events';\nimport Peer from './Peer';\nlet RCTMultipeerConnectivity = NativeModules.MultipeerConnectivity;\n\nexport default class MultipeerConnection extends EventEmitter {\n \n constructor() {\n super();\n this._peers = {};\n this._connectedPeers = {};\n var peerFound = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityPeerFound',\n ((event) => {\n var peer = new Peer(event.peer.id, event.peer.info.name);\n this._peers[peer.id] = peer;\n this.emit('peerFound', { peer });\n }).bind(this));\n \n var peerLost = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityPeerLost',\n ((event) => {\n var peer = this._peers[event.peer.id];\n peer.emit('lost');\n this.emit('peerLost', { peer: { id: peer.id } });\n delete this._peers[event.peer.id];\n delete this._connectedPeers[event.peer.id];\n }).bind(this));\n \n var peerConnected = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityPeerConnected',\n ((event) => {\n this._peers[event.peer.id].emit('connected');\n this._connectedPeers[event.peer.id] = this._peers[event.peer.id];\n this.emit('peerConnected', event);\n }).bind(this));\n \n var peerConnecting = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityPeerConnecting',\n ((event) => {\n this._peers[event.peer.id].emit('connecting');\n this.emit('peerConnecting', event);\n }).bind(this));\n \n var peerDisconnected = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityPeerDisconnected',\n ((event) => {\n this._peers[event.peer.id].emit('disconnected');\n delete this._connectedPeers[event.peer.id];\n this.emit('peerDisconnected', event);\n }).bind(this));\n \n var streamOpened = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityStreamOpened',\n ((event) => {\n this.emit('streamOpened', event);\n }).bind(this));\n \n var invited = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityInviteReceived',\n ((event) => {\n event.sender = this._peers[event.sender.id];\n this.emit('invite', event);\n }).bind(this));\n \n var dataReceived = DeviceEventEmitter.addListener(\n 'RCTMultipeerConnectivityDataReceived',\n ((event) => {\n event.sender = this._peers[event.sender.id];\n this.emit('data', event);\n }).bind(this));\n }\n \n getAllPeers() {\n return this._peers;\n }\n \n getConnectedPeers() {\n return this._connectedPeers;\n }\n \n send(recipients, data, callback) {\n if (!callback) {\n callback = () => {};\n }\n \n var recipientIds = recipients.map((recipient) => {\n if (recipient instanceof Peer) {\n return recipient.id;\n }\n return recipient;\n });\n \n RCTMultipeerConnectivity.send(recipientIds, data, callback);\n }\n \n broadcast(data, callback) {\n if (!callback) {\n callback = () => {};\n }\n RCTMultipeerConnectivity.broadcast(data, callback);\n }\n \n invite(peerId, callback) {\n if (!callback) {\n callback = () => {};\n }\n RCTMultipeerConnectivity.invite(peerId, callback);\n }\n \n rsvp(inviteId, accept, callback) {\n if (!callback) {\n callback = () => {};\n }\n RCTMultipeerConnectivity.rsvp(inviteId, accept, callback);\n }\n \n advertise(channel, info) {\n RCTMultipeerConnectivity.advertise(channel, info);\n }\n \n browse(channel) {\n RCTMultipeerConnectivity.browse(channel);\n }\n \n// createStreamForPeer(peerId, name, callback) {\n// if (!callback) {\n// callback = () => {};\n// }\n// RCTMultipeerConnectivity.createStreamForPeer(peerId, name, callback);\n// }\n}" }, { "path": "Peer.js", "content": "import { EventEmitter } from 'events';\n\nexport default class Peer extends EventEmitter {\n constructor(id, name) {\n super();\n this.id = id;\n this.name = name;\n }\n}\n" }, { "path": "RCTMultipeerConnectivity.h", "content": "#import \"RCTBridgeModule.h\"\n\n@import MultipeerConnectivity;\n\n@interface RCTMultipeerConnectivity : NSObject \n\n@property (nonatomic, strong) NSMutableDictionary *peers;\n@property (nonatomic, strong) NSMutableDictionary *connectedPeers;\n@property (nonatomic, strong) NSMutableDictionary *invitationHandlers;\n@property (nonatomic, strong) MCPeerID *peerID;\n@property (nonatomic, strong) MCSession *session;\n@property (nonatomic, strong) MCNearbyServiceBrowser *browser;\n@property (nonatomic, strong) MCNearbyServiceAdvertiser *advertiser;\n\n@end\n" }, { "path": "RCTMultipeerConnectivity.m", "content": "#import \"RCTMultipeerConnectivity.h\"\n#import \"RCTBridge.h\"\n#import \"RCTEventDispatcher.h\"\n//#import \"ObjectStore.h\"\n\n@implementation RCTMultipeerConnectivity\n\n@synthesize bridge = _bridge;\n\nRCT_EXPORT_MODULE()\n\nRCT_EXPORT_METHOD(advertise:(NSString *)channel data:(NSDictionary *)data) {\n self.advertiser =\n [[MCNearbyServiceAdvertiser alloc] initWithPeer:self.peerID discoveryInfo:data serviceType:channel];\n self.advertiser.delegate = self;\n [self.advertiser startAdvertisingPeer];\n}\n\nRCT_EXPORT_METHOD(browse:(NSString *)channel)\n{\n self.browser = [[MCNearbyServiceBrowser alloc] initWithPeer:self.peerID serviceType:channel];\n self.browser.delegate = self;\n [self.browser startBrowsingForPeers];\n}\n\nRCT_EXPORT_METHOD(invite:(NSString *)peerUUID callback:(RCTResponseSenderBlock)callback) {\n MCPeerID *peerID = [self.peers valueForKey:peerUUID];\n [self.browser invitePeer:peerID toSession:self.session withContext:nil timeout:30];\n callback(@[[NSNull null]]);\n}\n\nRCT_EXPORT_METHOD(rsvp:(NSString *)inviteID accept:(BOOL)accept callback:(RCTResponseSenderBlock)callback) {\n void (^invitationHandler)(BOOL, MCSession *) = [self.invitationHandlers valueForKey:inviteID];\n invitationHandler(accept, self.session);\n [self.invitationHandlers removeObjectForKey:inviteID];\n callback(@[[NSNull null]]);\n}\n\nRCT_EXPORT_METHOD(broadcast:(NSDictionary *)data callback:(RCTResponseSenderBlock)callback) {\n [self sendData:[self.connectedPeers allKeys] data:data callback:callback];\n}\n\nRCT_EXPORT_METHOD(send:(NSArray *)recipients data:(NSDictionary *)data callback:(RCTResponseSenderBlock)callback) {\n [self sendData:recipients data:data callback:callback];\n}\n\nRCT_EXPORT_METHOD(disconnect:(RCTResponseSenderBlock)callback) {\n [self.session disconnect];\n callback(@[[NSNull null]]);\n}\n\n// TODO: Waiting for module interop and/or streams over JS bridge\n\n//RCT_EXPORT_METHOD(createStreamForPeer:(NSString *)peerUUID name:(NSString *)name callback:(RCTResponseSenderBlock)callback) {\n// NSError *error = nil;\n// NSString *outputStreamUUID = [[ObjectStore shared] putObject:[self.session startStreamWithName:name toPeer:[self.peers valueForKey:peerUUID] error:&error]];\n// if (error != nil) {\n// callback(@[[error description]]);\n// }\n// else {\n// callback(@[[NSNull null], outputStreamUUID]);\n// }\n//}\n\n- (instancetype)init {\n self = [super init];\n self.peers = [NSMutableDictionary dictionary];\n self.connectedPeers = [NSMutableDictionary dictionary];\n self.invitationHandlers = [NSMutableDictionary dictionary];\n self.peerID = [[MCPeerID alloc] initWithDisplayName:[[NSUUID UUID] UUIDString]];\n self.session = [[MCSession alloc] initWithPeer:self.peerID securityIdentity:nil encryptionPreference:MCEncryptionNone];\n self.session.delegate = self;\n return self;\n}\n\n- (void)sendData:(NSArray *)recipients data:(NSDictionary *)data callback:(RCTResponseSenderBlock)callback {\n NSError *error = nil;\n NSMutableArray *peers = [NSMutableArray array];\n for (NSString *peerUUID in recipients) {\n [peers addObject:[self.peers valueForKey:peerUUID]];\n }\n NSData *jsonData = [NSJSONSerialization dataWithJSONObject:data options:0 error:&error];\n [self.session sendData:jsonData toPeers:peers withMode:MCSessionSendDataReliable error:&error];\n if (error == nil) {\n callback(@[[NSNull null]]);\n }\n else {\n callback(@[[error description]]);\n }\n}\n\n- (void)browser:(MCNearbyServiceBrowser *)browser foundPeer:(MCPeerID *)peerID withDiscoveryInfo:(NSDictionary *)info {\n if ([peerID.displayName isEqualToString:self.peerID.displayName]) return;\n [self.peers setValue:peerID forKey:peerID.displayName];\n if (info == nil) {\n info = [NSDictionary dictionary];\n }\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityPeerFound\"\n body:@{\n @\"peer\": @{\n @\"id\": peerID.displayName,\n @\"info\": info\n }\n }];\n}\n\n- (void)browser:(MCNearbyServiceBrowser *)browser lostPeer:(MCPeerID *)peerID {\n if ([peerID.displayName isEqualToString:self.peerID.displayName]) return;\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityPeerLost\"\n body:@{\n @\"peer\": @{\n @\"id\": peerID.displayName\n }\n }];\n [self.peers removeObjectForKey:peerID.displayName];\n}\n\n- (void)advertiser:(MCNearbyServiceAdvertiser *)advertiser didReceiveInvitationFromPeer:(MCPeerID *)peerID withContext:(NSData *)context invitationHandler:(void (^)(BOOL accept, MCSession *session))invitationHandler {\n NSString *invitationUUID = [[NSUUID UUID] UUIDString];\n [self.invitationHandlers setValue:[invitationHandler copy] forKey:invitationUUID];\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityInviteReceived\"\n body:@{\n @\"invite\": @{\n @\"id\": invitationUUID\n },\n @\"peer\": @{\n @\"id\": peerID.displayName\n }\n }];\n}\n\n- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state {\n if ([peerID.displayName isEqualToString:self.peerID.displayName]) return;\n if (state == MCSessionStateConnected) {\n [self.connectedPeers setValue:peerID forKey:peerID.displayName];\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityPeerConnected\"\n body:@{\n @\"peer\": @{\n @\"id\": peerID.displayName\n }\n }];\n }\n else if (state == MCSessionStateConnecting) {\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityPeerConnecting\"\n body:@{\n @\"peer\": @{\n @\"id\": peerID.displayName\n }\n }];\n }\n else if (state == MCSessionStateNotConnected) {\n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityPeerDisconnected\"\n body:@{\n @\"peer\": @{\n @\"id\": peerID.displayName\n }\n }];\n [self.connectedPeers removeObjectForKey:peerID.displayName];\n\n }\n}\n\n- (void)session:(MCSession *)session didReceiveCertificate:(NSArray *)certificate fromPeer:(MCPeerID *)peerID certificateHandler:(void (^)(BOOL accept))certificateHandler {\n certificateHandler(YES);\n}\n\n// TODO: Waiting for module interop and/or streams over JS bridge\n\n//- (void)session:(MCSession *)session didReceiveStream:(NSInputStream *)stream withName:(NSString *)streamName fromPeer:(MCPeerID *)peerID {\n// NSString *streamId = [[ObjectStore shared] putObject:stream];\n// [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityStreamOpened\"\n// body:@{\n// @\"stream\": @{\n// @\"id\": streamId,\n// @\"name\": streamName\n// },\n// @\"peer\": @{\n// @\"id\": peerID.displayName\n// }\n// }];\n//}\n\n- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID {\n NSError *error = nil;\n id object = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];\n NSDictionary *parsedJSON = [NSDictionary dictionary];\n \n if([object isKindOfClass:[NSDictionary class]]) {\n parsedJSON = object;\n }\n \n [self.bridge.eventDispatcher sendDeviceEventWithName:@\"RCTMultipeerConnectivityDataReceived\"\n body:@{\n @\"sender\": @{\n @\"id\": peerID.displayName\n },\n @\"data\": parsedJSON\n }];\n}\n\n// TODO: Support file transfers once we have a general spec for representing files\n//\n//- (void)session:(MCSession *)session didFinishReceivingResourceWithName:(NSString *)resourceName fromPeer:(MCPeerID *)peerID atURL:(NSURL *)localURL withError:(NSError *)error {\n// NSURL *destinationURL = [NSURL fileURLWithPath:@\"/path/to/destination\"];\n// if (![[NSFileManager defaultManager] moveItemAtURL:localURL toURL:destinationURL error:&error]) {\n// NSLog(@\"[Error] %@\", error);\n// }\n//}\n//\n//- (void)session:(MCSession *)session\n//didStartReceivingResourceWithName:(NSString *)resourceName fromPeer:(MCPeerID *)peerID withProgress:(NSProgress *)progress\n//{\n// \n//}\n\n\n@end\n" }, { "path": "RCTMultipeerConnectivity.xcodeproj/project.pbxproj", "content": "// !$*UTF8*$!\n{\n\tarchiveVersion = 1;\n\tclasses = {\n\t};\n\tobjectVersion = 46;\n\tobjects = {\n\n/* Begin PBXBuildFile section */\n\t\t13BE3DEE1AC21097009241FE /* RCTMultipeerConnectivity.m in Sources */ = {isa = PBXBuildFile; fileRef = 13BE3DED1AC21097009241FE /* 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"RCTMultipeerConnectivity.xcodeproj/project.xcworkspace/contents.xcworkspacedata", "content": "\n\n \n \n\n" }, { "path": "README.md", "content": "# react-native-multipeer\n\nCommunicate over ad hoc wifi using Multipeer Connectivity.\n\n## Known Issues\nBelow is a list of known issues. Pull requests are welcome for any of these issues!\n\n- No support for streams in React Native, so streaming is currently unavailable.\n- No support for resource transfers: I want this to work seamlessly with other file resources for other uses, so I'm waiting for those specs to be finalized.\n\n## Getting started\n\n1. `npm install react-native-multipeer@latest --save`\n2. In XCode, in the project navigator, right click `Libraries` ➜ `Add Files to [your project's name]`\n3. Go to `node_modules` ➜ `react-native-multipeer` and add `RCTMultipeerConnectivity.xcodeproj`\n4. In XCode, in the project navigator, select your project. Add `libRCTMultipeerConnectivity.a` to your project's `Build Phases` ➜ `Link Binary With Libraries`\n5. Click `RCTMultipeerConnectivity.xcodeproj` in the project navigator and go the `Build Settings` tab. Make sure 'All' is toggled on (instead of 'Basic'). Look for `Header Search Paths` and make sure it contains both `$(SRCROOT)/../react-native/React` and `$(SRCROOT)/../../React` - mark both as `recursive`.\n5. Run your project (`Cmd+R`)\n\n## Usage\n\nAll you need is to `require` the `react-native-multipeer` module and then you can start using the singleton instance.\n\n```javascript\nvar React = require('react-native');\nvar {\n AppRegistry,\n ListView,\n StyleSheet,\n Text,\n View,\n TouchableHighlight\n} = React;\nvar MultipeerConnectivity = require('react-native-multipeer');\n\nfunction getStateFromSources() {\n var ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2});\n return {\n dataSource: ds.cloneWithRows(MultipeerConnectivity.getAllPeers())\n };\n}\n\nvar peerApp = React.createClass({\n getInitialState: function() {\n return getStateFromSources()\n },\n componentDidMount() {\n MultipeerConnectivity.on('peerFound', this._onChange);\n MultipeerConnectivity.on('peerLost', this._onChange);\n MultipeerConnectivity.on('invite', ((event) => {\n // Automatically accept invitations\n MultipeerConnectivity.rsvp(event.invite.id, true);\n }).bind(this));\n MultipeerConnectivity.on('peerConnected', (event) => {\n alert(event.peer.id + ' connected!');\n });\n MultipeerConnectivity.advertise('channel1', { name: 'User-' + Math.round(1e6 * Math.random()) });\n MultipeerConnectivity.browse('channel1');\n },\n\n renderRow(peer) {\n return (\n \n \n {peer.name}\n \n \n );\n },\n \n render: function() {\n return (\n \n \n \n );\n },\n \n _invite(peer) {\n MultipeerConnectivity.invite(peer.id);\n },\n \n _onChange() {\n this.setState(getStateFromSources());\n }\n});\n\n\nvar styles = StyleSheet.create({\n container: {\n flex: 1,\n justifyContent: 'center',\n alignItems: 'center',\n backgroundColor: 'transparent',\n },\n welcome: {\n fontSize: 20,\n textAlign: 'center',\n margin: 10,\n },\n instructions: {\n textAlign: 'center',\n color: '#333333',\n },\n});\n\nAppRegistry.registerComponent('peerApp', () => peerApp);\n```\n\n## `MultipeerConnectivity` methods\n\n### Channels\n\n#### `advertise(channelId, info)`\n\nAllow discovery of yourself as a peer in a given channel. `channelId` can be any string. `info` is an object containing data which will be passed to other peers when you join the channel.\n\n#### `browse(channelId)`\n\nBrowse for peers on a given channel.\n\n#### `getAllPeers()`\n\nGets all the peers in the current channel.\n\n\n### Sessions\n\n#### `getConnectedPeers()`\n\nGets all the peers in the current session.\n\n\n#### `disconnect([callback])`\n\nDisconnect from the current session.\n\n\n#### `invite(peerId [, callback])`\n\nInvite a peer from your channel into your session.\n\n\n#### `rsvp(inviteId, accept [, callback])`\n\nAccept/decline a session invitation.\n\n\n### Communication\n\n#### `broadcast(data [, callback])`\n\nSend data to all connected peers in the current channel.\n\n\n#### `send(data, recipients [, callback])`\n\nSend data to specific peers in the current channel. `recipients` is an array of peer IDs or `Peer`s.\n\n### `MultipeerConnectivity` Events\n\n`MultipeerConnectivity` inherits from `EventEmitter` - as such the `.on` method is available for listening to important events. Below is a list of those events.\n\n#### `data`\n\nEvent properties: `Peer sender`, `data`\n\nFired when new data is received from `sender`.\n\n#### `peerFound`\n\nEvent properties: `peer`\n\nA new peer was found in the current channel.\n\n\n#### `peerLost`\n\nEvent properties: `peer`\n\nA peer left the current channel.\n\n#### `peerConnected`\n\nEvent properties: `peer`\n\nA peer has connected to your session.\n\n#### `peerConnecting`\n\nEvent properties: `peer`\n\nA peer is connecting to your session.\n\n#### `peerDisconnected`\n\nEvent properties: `peer`\n\nA peer disconnected from your session.\n\n#### `invite`\n\nEvent properties: `sender`, `invite`\n\nYou have been invited to a session.\n\n\n## `Peer` methods\n\n### Events\n\n#### `connected`\n\nThe peer connected to the current session.\n\n\n#### `connecting`\n\nThe peer is connecting to the current session.\n\n\n#### `disconnected`\n\nThe peer disconnected from the current session.\n\n#### `lost`\n\nThe peer left the current channel.\n\n\n## Todo\nThese are some features I think would be important/beneficial to have included with this module. Pull requests welcome!\n\n- [ ] Stream support\n- [ ] Resource transfers\n" }, { "path": "index.js", "content": "import MultipeerConnection from './MultipeerConnection';\nmodule.exports = new MultipeerConnection();" }, { "path": "package.json", "content": "{\n \"name\": \"react-native-multipeer\",\n \"version\": \"0.1.1\",\n \"repository\": {\n \"type\" : \"git\",\n \"url\" : \"https://github.com/lwansbrough/react-native-multipeer.git\"\n },\n \"author\": \"Lochlan Wansbrough (http://lwansbrough.com)\",\n \"description\": \"Communicate over ad hoc wifi using Multipeer Connectivity\",\n \"dependencies\": {\n \"events\": \"^1.0.2\"\n },\n \"main\": \"index.js\",\n \"keywords\": [\n \"react-native\",\n \"react\",\n \"native\",\n \"multipeer\",\n \"connectivity\",\n \"adhoc\",\n \"wifi\",\n \"p2p\"\n ]\n}\n" } ]