147 lines
3.9 KiB
Objective-C
147 lines
3.9 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTReconnectingWebSocket.h"
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#import <React/RCTConvert.h>
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#import <React/RCTDefines.h>
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#import <fishhook/fishhook.h>
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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#import <os/log.h>
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#endif /* __IPHONE_11_0 */
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#import "RCTSRWebSocket.h"
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#if RCT_DEV // Only supported in dev mode
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static void (*orig_nwlog_legacy_v)(int, char*, va_list);
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static void my_nwlog_legacy_v(int level, char *format, va_list args) {
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static const uint buffer_size = 256;
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static char buffer[buffer_size];
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va_list copy;
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va_copy(copy, args);
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vsnprintf(buffer, buffer_size, format, copy);
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va_end(copy);
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if (strstr(buffer, "nw_connection_get_connected_socket_block_invoke") == NULL &&
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strstr(buffer, "Connection has no connected handler") == NULL) {
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orig_nwlog_legacy_v(level, format, args);
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}
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}
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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static void (*orig_os_log_error_impl)(void *dso, os_log_t log, os_log_type_t type, const char *format, uint8_t *buf, uint32_t size);
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static void my_os_log_error_impl(void *dso, os_log_t log, os_log_type_t type, const char *format, uint8_t *buf, uint32_t size)
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{
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if (strstr(format, "TCP Conn %p Failed : error %ld:%d") == NULL) {
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orig_os_log_error_impl(dso, log, type, format, buf, size);
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}
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}
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#endif /* __IPHONE_11_0 */
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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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}
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+ (void)load
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{
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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rebind_symbols((struct rebinding[1]){
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{"nwlog_legacy_v", my_nwlog_legacy_v, (void *)&orig_nwlog_legacy_v}
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}, 1);
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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rebind_symbols((struct rebinding[1]){
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{"_os_log_error_impl", my_os_log_error_impl, (void *)&orig_os_log_error_impl}
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}, 1);
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#endif /* __IPHONE_11_0 */
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});
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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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_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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_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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__weak RCTSRWebSocket *socket = _socket;
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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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// Only reconnect if the observer wasn't stoppped while we were waiting
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if (socket) {
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[self start];
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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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[self reconnect];
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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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