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#include <errno.h>
#import "OFKernelEventObserver.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFDate.h"
#import "OFStream.h"
#import "OFStream+Private.h"
#ifndef OF_HAVE_PIPE
# import "OFStreamSocket.h"
#ifdef HAVE_EPOLL
# import "OFEpollKernelEventObserver.h"
#endif
#import "socket.h"
#import "socket_helpers.h"
enum {
QUEUE_ADD = 0,
QUEUE_REMOVE = 1,
QUEUE_READ = 0,
QUEUE_WRITE = 2
};
#define QUEUE_ACTION (QUEUE_ADD | QUEUE_REMOVE)
if (!of_socket_init())
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
+ (instancetype)observer
{
return [[[self alloc] init] autorelease];
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#include <errno.h>
#import "OFKernelEventObserver.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFDate.h"
#ifdef HAVE_EPOLL
# import "OFEpollKernelEventObserver.h"
#endif
#ifdef HAVE_KQUEUE
# import "OFKqueueKernelEventObserver.h"
#endif
#ifdef HAVE_POLL
# import "OFPollKernelEventObserver.h"
#endif
#ifdef HAVE_SELECT
# import "OFSelectKernelEventObserver.h"
#endif
#import "OFSocket.h"
#import "OFSocket+Private.h"
#import "OFStream.h"
#import "OFStream+Private.h"
#ifndef OF_HAVE_PIPE
# import "OFStreamSocket.h"
#endif
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif
@implementation OFKernelEventObserver
@synthesize delegate = _delegate;
#ifdef OF_AMIGAOS
@synthesize execSignalMask = _execSignalMask;
#endif
+ (void)initialize
{
if (self != [OFKernelEventObserver class])
return;
if (!OFSocketInit())
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
+ (instancetype)observer
{
return [[[self alloc] init] autorelease];
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#if defined(OF_HAVE_PIPE) && !defined(OF_AMIGAOS)
if (pipe(_cancelFD))
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
#elif !defined(OF_AMIGAOS)
_cancelFD[0] = _cancelFD[1] = socket(AF_INET, SOCK_DGRAM, 0);
if (_cancelFD[0] == INVALID_SOCKET)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
_cancelAddr.sin_family = AF_INET;
_cancelAddr.sin_port = 0;
_cancelAddr.sin_addr.s_addr = inet_addr((void *)"127.0.0.1");
# ifdef OF_WII
_cancelAddr.sin_len = 8;
# endif
# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
if (bind(_cancelFD[0], (struct sockaddr *)&_cancelAddr,
sizeof(_cancelAddr)) != 0)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
cancelAddrLen = sizeof(_cancelAddr);
if (of_getsockname(_cancelFD[0],
(struct sockaddr *)&_cancelAddr, &cancelAddrLen) != 0)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
# else
for (;;) {
uint16_t rnd = 0;
int ret;
while (rnd < 1024)
rnd = (uint16_t)rand();
_cancelAddr.sin_port = OF_BSWAP16_IF_LE(rnd);
ret = bind(_cancelFD[0],
(struct sockaddr *)&_cancelAddr,
sizeof(_cancelAddr));
if (ret == 0)
break;
if (of_socket_errno() != EADDRINUSE)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
}
# endif
#endif
} @catch (id e) {
[self release];
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#if defined(OF_HAVE_PIPE) && !defined(OF_AMIGAOS)
if (pipe(_cancelFD))
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
#elif !defined(OF_AMIGAOS)
_cancelFD[0] = _cancelFD[1] = socket(AF_INET, SOCK_DGRAM, 0);
if (_cancelFD[0] == OFInvalidSocketHandle)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
_cancelAddr.sin_family = AF_INET;
_cancelAddr.sin_port = 0;
_cancelAddr.sin_addr.s_addr = inet_addr((void *)"127.0.0.1");
# ifdef OF_WII
_cancelAddr.sin_len = 8;
# endif
# if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
if (bind(_cancelFD[0], (struct sockaddr *)&_cancelAddr,
sizeof(_cancelAddr)) != 0)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
cancelAddrLen = sizeof(_cancelAddr);
if (OFGetSockName(_cancelFD[0],
(struct sockaddr *)&_cancelAddr, &cancelAddrLen) != 0)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
# else
for (;;) {
uint16_t rnd = 0;
int ret;
while (rnd < 1024)
rnd = (uint16_t)rand();
_cancelAddr.sin_port = OFToBigEndian16(rnd);
ret = bind(_cancelFD[0],
(struct sockaddr *)&_cancelAddr,
sizeof(_cancelAddr));
if (ret == 0)
break;
if (OFSocketErrNo() != EADDRINUSE)
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
}
# endif
#endif
} @catch (id e) {
[self release];
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}
- (void)observe
{
[self observeForTimeInterval: -1];
}
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
OF_UNRECOGNIZED_SELECTOR
}
- (void)observeUntilDate: (OFDate *)date
{
[self observeForTimeInterval: date.timeIntervalSinceNow];
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}
- (void)observe
{
[self observeForTimeInterval: -1];
}
- (void)observeForTimeInterval: (OFTimeInterval)timeInterval
{
OF_UNRECOGNIZED_SELECTOR
}
- (void)observeUntilDate: (OFDate *)date
{
[self observeForTimeInterval: date.timeIntervalSinceNow];
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if (_waitingTask != NULL) {
Signal(_waitingTask, (1ul << _cancelSignal));
_waitingTask = NULL;
}
Permit();
#elif defined(OF_HAVE_PIPE)
OF_ENSURE(write(_cancelFD[1], "", 1) > 0);
#elif defined(OF_WII)
OF_ENSURE(sendto(_cancelFD[1], "", 1, 0,
(struct sockaddr *)&_cancelAddr, 8) > 0);
#else
OF_ENSURE(sendto(_cancelFD[1], (void *)"", 1, 0,
(struct sockaddr *)&_cancelAddr, sizeof(_cancelAddr)) > 0);
#endif
}
@end
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if (_waitingTask != NULL) {
Signal(_waitingTask, (1ul << _cancelSignal));
_waitingTask = NULL;
}
Permit();
#elif defined(OF_HAVE_PIPE)
OFEnsure(write(_cancelFD[1], "", 1) > 0);
#elif defined(OF_WII)
OFEnsure(sendto(_cancelFD[1], "", 1, 0,
(struct sockaddr *)&_cancelAddr, 8) > 0);
#else
OFEnsure(sendto(_cancelFD[1], (void *)"", 1, 0,
(struct sockaddr *)&_cancelAddr, sizeof(_cancelAddr)) > 0);
#endif
}
@end
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