54 lines
1.2 KiB
Objective-C
54 lines
1.2 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 "PFPingClient.h"
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@implementation PFPingClient
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{
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GCDAsyncSocket *_client;
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}
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- (instancetype)init
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{
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if (self = [super init]) {
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_pongs = [NSArray array];
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_client = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_main_queue()];
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}
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return self;
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}
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- (BOOL)connectToLocalServerOnPort:(NSUInteger)port
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{
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return [_client connectToHost:@"localhost" onPort:port error:nil];
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}
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- (void)sendPing:(NSData *)ping
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{
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[_client writeData:ping withTimeout:-1 tag:0];
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}
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- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
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{
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_connected = YES;
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[_client readDataWithTimeout:-1 tag:0];
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}
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- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
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{
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_pongs = [_pongs arrayByAddingObject:data];
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[_client readDataWithTimeout:-1 tag:0];
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}
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- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
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{
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_connected = NO;
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}
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@end
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