107 строки
2.2 KiB
Objective-C
107 строки
2.2 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <React/RCTReconnectingWebSocket.h>
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#import <React/RCTConvert.h>
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#import <React/RCTDefines.h>
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#import <React/RCTSRWebSocket.h>
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#if RCT_DEV // Only supported in dev mode
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@interface RCTReconnectingWebSocket () <RCTSRWebSocketDelegate>
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@end
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@implementation RCTReconnectingWebSocket {
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NSURL *_url;
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RCTSRWebSocket *_socket;
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BOOL _stopped;
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}
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- (instancetype)initWithURL:(NSURL *)url queue:(dispatch_queue_t)queue
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{
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if (self = [super init]) {
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_url = url;
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_delegateDispatchQueue = queue;
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}
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return self;
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}
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- (instancetype)initWithURL:(NSURL *)url
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{
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return [self initWithURL:url queue:dispatch_get_main_queue()];
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}
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- (void)send:(id)data
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{
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[_socket send:data];
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}
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- (void)start
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{
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[self stop];
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_stopped = NO;
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_socket = [[RCTSRWebSocket alloc] initWithURL:_url];
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_socket.delegate = self;
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[_socket setDelegateDispatchQueue:_delegateDispatchQueue];
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[_socket open];
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}
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- (void)stop
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{
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_stopped = YES;
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_socket.delegate = nil;
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[_socket closeWithCode:1000 reason:@"Invalidated"];
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_socket = nil;
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}
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- (void)webSocket:(RCTSRWebSocket *)webSocket didReceiveMessage:(id)message
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{
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[_delegate reconnectingWebSocket:self didReceiveMessage:message];
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}
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- (void)reconnect
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{
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if (_stopped) {
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return;
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}
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__weak RCTSRWebSocket *socket = _socket;
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__weak __typeof(self) weakSelf = self;
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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[weakSelf start];
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if (!socket) {
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[weakSelf reconnect];
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}
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});
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}
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- (void)webSocketDidOpen:(RCTSRWebSocket *)webSocket
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{
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[_delegate reconnectingWebSocketDidOpen:self];
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}
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- (void)webSocket:(RCTSRWebSocket *)webSocket didFailWithError:(NSError *)error
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{
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[_delegate reconnectingWebSocketDidClose:self];
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if ([error code] != ECONNREFUSED) {
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[self reconnect];
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}
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}
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- (void)webSocket:(RCTSRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reason:(NSString *)reason wasClean:(BOOL)wasClean
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{
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[_delegate reconnectingWebSocketDidClose:self];
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[self reconnect];
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}
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@end
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#endif
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