131 lines
3.9 KiB
Objective-C
131 lines
3.9 KiB
Objective-C
//
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// UdpSockets.m
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// react-native-udp
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//
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// Created by Mark Vayngrib on 5/8/15.
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// Copyright (c) 2015 Tradle, Inc. All rights reserved.
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//
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#import "RCTAssert.h"
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#import "RCTBridge.h"
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#import "RCTConvert.h"
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#import "RCTEventDispatcher.h"
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#import "RCTLog.h"
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#import "UdpSockets.h"
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#import "UdpSocketClient.h"
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@implementation UdpSockets
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RCT_EXPORT_MODULE()
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@synthesize bridge = _bridge;
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RCT_EXPORT_METHOD(createSocket:(nonnull NSNumber*)cId withOptions:(NSDictionary*)options)
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{
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if (!_clients) _clients = [[NSMutableDictionary alloc] init];
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if (!cId) {
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RCTLogError(@"%@.createSocket called with nil id parameter.", [self class]);
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return;
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}
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UdpSocketClient *client = [_clients objectForKey:cId];
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if (client) {
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RCTLogError(@"%@.createSocket called twice with the same id.", [self class]);
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return;
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}
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client = [UdpSocketClient socketClientWithConfig:self];
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[_clients setObject:client forKey:cId];
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}
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RCT_EXPORT_METHOD(bind:(nonnull NSNumber*)cId
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port:(int)port
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address:(NSString *)address
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callback:(RCTResponseSenderBlock)callback)
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{
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UdpSocketClient* client = [self findClient:cId callback:callback];
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if (!client) return;
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NSError *error = nil;
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if (![client bind:port address:address error:&error])
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{
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callback(@[error]);
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return;
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}
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callback(@[[NSNull null], [client address]]);
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}
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RCT_EXPORT_METHOD(send:(nonnull NSNumber*)cId
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string:(nonnull NSNumber*)base64String
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port:(int)port
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address:(nonnull NSNumber*)address
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callback:(RCTResponseSenderBlock)callback) {
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UdpSocketClient* client = [self findClient:cId callback:callback];
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if (!client) return;
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// iOS7+
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// TODO: use https://github.com/nicklockwood/Base64 for compatibility with earlier iOS versions
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NSData *data = [[NSData alloc] initWithBase64EncodedString:base64String options:0];
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[client send:data remotePort:port remoteAddress:address callback:callback];
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}
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RCT_EXPORT_METHOD(close:(nonnull NSNumber*)cId
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callback:(RCTResponseSenderBlock)callback) {
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UdpSocketClient* client = [self findClient:cId callback:callback];
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if (!client) return;
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[client close];
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[_clients removeObjectForKey:cId];
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if (callback) callback(@[]);
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}
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RCT_EXPORT_METHOD(setBroadcast:(nonnull NSNumber*)cId
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flag:(BOOL)flag
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callback:(RCTResponseSenderBlock)callback) {
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UdpSocketClient* client = [self findClient:cId callback:callback];
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if (!client) return;
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NSError *error = nil;
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if (![client setBroadcast:flag error:&error])
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{
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callback(@[error]);
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return;
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}
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callback(@[[NSNull null]]);
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}
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- (void) onData:(UdpSocketClient*) client data:(NSData *)data host:(NSString *)host port:(uint16_t)port
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{
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NSString *clientID = [[_clients allKeysForObject:client] objectAtIndex:0];
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NSString *base64String = [data base64EncodedStringWithOptions:0];
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[self.bridge.eventDispatcher sendDeviceEventWithName:[NSString stringWithFormat:@"udp-%@-data", clientID]
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body:@{
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@"data": base64String,
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@"address": host,
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@"port": [NSNumber numberWithInt:port]
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}
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];
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}
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-(UdpSocketClient*)findClient:(nonnull NSNumber*)cId callback:(RCTResponseSenderBlock)callback
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{
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UdpSocketClient *client = [_clients objectForKey:cId];
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if (!client) {
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if (!callback) {
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RCTLogError(@"%@.missing callback parameter.", [self class]);
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}
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else {
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callback(@[[NSString stringWithFormat:@"no client found with id %@", cId]]);
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}
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return nil;
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}
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return client;
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}
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@end
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