react-native/Libraries/WebSocket/RCTWebSocketModule.m

130 lines
3.3 KiB
Objective-C

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTWebSocketModule.h"
#import "RCTConvert.h"
#import "RCTUtils.h"
@implementation RCTSRWebSocket (React)
- (NSNumber *)reactTag
{
return objc_getAssociatedObject(self, _cmd);
}
- (void)setReactTag:(NSNumber *)reactTag
{
objc_setAssociatedObject(self, @selector(reactTag), reactTag, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
@end
@implementation RCTWebSocketModule
{
NSMutableDictionary<NSNumber *, RCTSRWebSocket *> *_sockets;
}
RCT_EXPORT_MODULE()
- (NSArray *)supportedEvents
{
return @[@"websocketMessage",
@"websocketOpen",
@"websocketFailed",
@"websocketClosed"];
}
- (void)dealloc
{
for (RCTSRWebSocket *socket in _sockets.allValues) {
socket.delegate = nil;
[socket close];
}
}
RCT_EXPORT_METHOD(connect:(NSURL *)URL protocols:(NSArray *)protocols headers:(NSDictionary *)headers socketID:(nonnull NSNumber *)socketID)
{
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
[headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, id value, BOOL *stop) {
[request addValue:[RCTConvert NSString:value] forHTTPHeaderField:key];
}];
RCTSRWebSocket *webSocket = [[RCTSRWebSocket alloc] initWithURLRequest:request protocols:protocols];
webSocket.delegate = self;
webSocket.reactTag = socketID;
if (!_sockets) {
_sockets = [NSMutableDictionary new];
}
_sockets[socketID] = webSocket;
[webSocket open];
}
RCT_EXPORT_METHOD(send:(NSString *)message socketID:(nonnull NSNumber *)socketID)
{
[_sockets[socketID] send:message];
}
RCT_EXPORT_METHOD(sendBinary:(NSString *)base64String socketID:(nonnull NSNumber *)socketID)
{
NSData *message = [[NSData alloc] initWithBase64EncodedString:base64String options:0];
[_sockets[socketID] send:message];
}
RCT_EXPORT_METHOD(ping:(nonnull NSNumber *)socketID)
{
[_sockets[socketID] sendPing:NULL];
}
RCT_EXPORT_METHOD(close:(nonnull NSNumber *)socketID)
{
[_sockets[socketID] close];
[_sockets removeObjectForKey:socketID];
}
#pragma mark - RCTSRWebSocketDelegate methods
- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message
{
BOOL binary = [message isKindOfClass:[NSData class]];
[self sendEventWithName:@"websocketMessage" body:@{
@"data": binary ? [message base64EncodedStringWithOptions:0] : message,
@"type": binary ? @"binary" : @"text",
@"id": webSocket.reactTag
}];
}
- (void)webSocketDidOpen:(RCTSRWebSocket *)webSocket
{
[self sendEventWithName:@"websocketOpen" body:@{
@"id": webSocket.reactTag
}];
}
- (void)webSocket:(RCTSRWebSocket *)webSocket didFailWithError:(NSError *)error
{
[self sendEventWithName:@"websocketFailed" body:@{
@"message":error.localizedDescription,
@"id": webSocket.reactTag
}];
}
- (void)webSocket:(RCTSRWebSocket *)webSocket didCloseWithCode:(NSInteger)code
reason:(NSString *)reason wasClean:(BOOL)wasClean
{
[self sendEventWithName:@"websocketClosed" body:@{
@"code": @(code),
@"reason": RCTNullIfNil(reason),
@"clean": @(wasClean),
@"id": webSocket.reactTag
}];
}
@end