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/*
* Copyright (c) 2008-2025 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "ObjFW.h"
#import "ObjFWTest.h"
#ifdef HAVE_KQUEUE
# import "OFKqueueKernelEventObserver.h"
#endif
#ifdef HAVE_EPOLL
# import "OFEpollKernelEventObserver.h"
#endif
#ifdef HAVE_POLL
# import "OFPollKernelEventObserver.h"
#endif
#ifdef HAVE_SELECT
# import "OFSelectKernelEventObserver.h"
#endif
@interface OFKernelEventObserverTests: OTTestCase
<OFKernelEventObserverDelegate>
{
OFTCPSocket *_server, *_client, *_accepted;
OFKernelEventObserver *_observer;
size_t _events;
}
@end
static const size_t numExpectedEvents = 3;
@implementation OFKernelEventObserverTests
- (void)setUp
{
OFSocketAddress address;
[super setUp];
_server = [[OFTCPSocket alloc] init];
address = [_server bindToHost: @"127.0.0.1" port: 0];
[_server listen];
_client = [[OFTCPSocket alloc] init];
[_client connectToHost: @"127.0.0.1"
port: OFSocketAddressIPPort(&address)];
[_client writeBuffer: "0" length: 1];
}
- (void)dealloc
{
objc_release(_client);
objc_release(_server);
objc_release(_accepted);
objc_release(_observer);
[super dealloc];
}
- (void)testKernelEventObserverWithClass: (Class)class
{
bool deadlineExceeded = false;
OFDate *deadline;
_observer = [[class alloc] init];
_observer.delegate = self;
[_observer addObjectForReading: _server];
deadline = [OFDate dateWithTimeIntervalSinceNow: 1];
while (_events < numExpectedEvents) {
if (deadline.timeIntervalSinceNow < 0) {
deadlineExceeded = true;
break;
}
[_observer observeForTimeInterval: 0.01];
}
OTAssertFalse(deadlineExceeded);
OTAssertEqual(_events, numExpectedEvents);
}
- (void)objectIsReadyForReading: (id)object
{
char buffer;
switch (_events++) {
case 0:
OTAssertEqual(object, _server);
_accepted = objc_retain([object accept]);
[_observer addObjectForReading: _accepted];
break;
case 1:
OTAssert(object, _accepted);
OTAssertEqual([object readIntoBuffer: &buffer length: 1], 1);
OTAssertEqual(buffer, '0');
[_client close];
break;
case 2:
OTAssertEqual(object, _accepted);
OTAssertEqual([object readIntoBuffer: &buffer length: 1], 0);
break;
default:
OTAssert(false);
}
}
#ifdef HAVE_SELECT
- (void)testSelectKernelEventObserver
{
[self testKernelEventObserverWithClass:
[OFSelectKernelEventObserver class]];
}
#endif
#ifdef HAVE_POLL
- (void)testPollKernelEventObserver
{
[self testKernelEventObserverWithClass:
[OFPollKernelEventObserver class]];
}
#endif
#ifdef HAVE_EPOLL
- (void)testEpollKernelEventObserver
{
[self testKernelEventObserverWithClass:
[OFEpollKernelEventObserver class]];
}
#endif
#ifdef HAVE_KQUEUE
- (void)testKqueueKernelEventObserver
{
[self testKernelEventObserverWithClass:
[OFKqueueKernelEventObserver class]];
}
#endif
@end
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