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#ifdef HAVE_POLL_H
# include <poll.h>
#endif
#import "OFPollKernelEventObserver.h"
#import "OFData.h"
#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"
#import "socket_helpers.h"
_FDToObject = of_alloc((size_t)_maxFD + 1, sizeof(id));
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_FDs release];
free(_FDToObject);
[super dealloc];
}
- (void)of_addObject: (id)object
fileDescriptor: (int)fd
events: (short)events OF_DIRECT
FDs = _FDs.mutableItems;
count = _FDs.count;
found = false;
for (size_t i = 0; i < count; i++) {
if (FDs[i].fd == fd) {
FDs[i].events |= events;
found = true;
break;
}
}
if (!found) {
struct pollfd p = { fd, events, 0 };
if (fd > _maxFD) {
_maxFD = fd;
_FDToObject = of_realloc(_FDToObject,
(size_t)_maxFD + 1, sizeof(id));
}
_FDToObject[fd] = object;
[_FDs addItem: &p];
}
}
- (void)of_removeObject: (id)object
fileDescriptor: (int)fd
events: (short)events OF_DIRECT
FDs = _FDs.mutableItems;
nFDs = _FDs.count;
for (size_t i = 0; i < nFDs; i++) {
if (FDs[i].fd == fd) {
FDs[i].events &= ~events;
if (FDs[i].events == 0) {
/*
* TODO: Remove from and resize _FDToObject,
* adjust _maxFD.
*/
[_FDs removeItemAtIndex: i];
}
break;
}
}
}
- (void)addObjectForReading: (id <OFReadyForReadingObserving>)object
{
[self of_addObject: object
fileDescriptor: object.fileDescriptorForReading
events: POLLIN];
[self of_addObject: object
fileDescriptor: object.fileDescriptorForWriting
events: POLLOUT];
[self of_removeObject: object
fileDescriptor: object.fileDescriptorForReading
events: POLLIN];
[self of_removeObject: object
fileDescriptor: object.fileDescriptorForWriting
events: POLLOUT];
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
void *pool;
struct pollfd *FDs;
int events;
size_t nFDs;
if ([self of_processReadBuffers])
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#ifdef HAVE_POLL_H
# include <poll.h>
#endif
#import "OFPollKernelEventObserver.h"
#import "OFData.h"
#import "OFSocket+Private.h"
#import "OFObserveFailedException.h"
#import "OFOutOfRangeException.h"
#ifdef OF_WII
# define pollfd pollsd
# define fd socket
#endif
@implementation OFPollKernelEventObserver
- (instancetype)init
{
self = [super init];
@try {
struct pollfd p = { _cancelFD[0], POLLIN, 0 };
_FDs = [[OFMutableData alloc] initWithItemSize:
sizeof(struct pollfd)];
[_FDs addItem: &p];
_maxFD = _cancelFD[0];
_FDToObject = OFAllocMemory((size_t)_maxFD + 1, sizeof(id));
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_FDs release];
OFFreeMemory(_FDToObject);
[super dealloc];
}
static void
addObject(OFPollKernelEventObserver *self, id object, int fd, short events)
{
struct pollfd *FDs;
size_t count;
bool found;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
FDs = self->_FDs.mutableItems;
count = self->_FDs.count;
found = false;
for (size_t i = 0; i < count; i++) {
if (FDs[i].fd == fd) {
FDs[i].events |= events;
found = true;
break;
}
}
if (!found) {
struct pollfd p = { fd, events, 0 };
if (fd > self->_maxFD) {
self->_maxFD = fd;
self->_FDToObject = OFResizeMemory(self->_FDToObject,
(size_t)self->_maxFD + 1, sizeof(id));
}
self->_FDToObject[fd] = object;
[self->_FDs addItem: &p];
}
}
static void
removeObject(OFPollKernelEventObserver *self, id object, int fd, short events)
{
struct pollfd *FDs;
size_t nFDs;
if (fd < 0)
@throw [OFObserveFailedException exceptionWithObserver: self
errNo: EBADF];
FDs = self->_FDs.mutableItems;
nFDs = self->_FDs.count;
for (size_t i = 0; i < nFDs; i++) {
if (FDs[i].fd == fd) {
FDs[i].events &= ~events;
if (FDs[i].events == 0) {
/*
* TODO: Remove from and resize _FDToObject,
* adjust _maxFD.
*/
[self->_FDs removeItemAtIndex: i];
}
break;
}
}
}
- (void)addObjectForReading: (id <OFReadyForReadingObserving>)object
{
addObject(self, object, object.fileDescriptorForReading, POLLIN);
[super addObjectForReading: object];
}
- (void)addObjectForWriting: (id <OFReadyForWritingObserving>)object
{
addObject(self, object, object.fileDescriptorForWriting, POLLOUT);
[super addObjectForWriting: object];
}
- (void)removeObjectForReading: (id <OFReadyForReadingObserving>)object
{
removeObject(self, object, object.fileDescriptorForReading, POLLIN);
[super removeObjectForReading: object];
}
- (void)removeObjectForWriting: (id <OFReadyForWritingObserving>)object
{
removeObject(self, object, object.fileDescriptorForWriting, POLLOUT);
[super removeObjectForWriting: object];
}
- (void)observeForTimeInterval: (OFTimeInterval)timeInterval
{
void *pool;
struct pollfd *FDs;
int events;
size_t nFDs;
if ([self of_processReadBuffers])
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if (FDs[i].revents & POLLIN) {
void *pool2;
if (FDs[i].fd == _cancelFD[0]) {
char buffer;
#ifdef OF_HAVE_PIPE
OF_ENSURE(read(_cancelFD[0], &buffer, 1) == 1);
#else
OF_ENSURE(recvfrom(_cancelFD[0], &buffer, 1,
0, NULL, NULL) == 1);
#endif
FDs[i].revents = 0;
continue;
}
pool2 = objc_autoreleasePoolPush();
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if (FDs[i].revents & POLLIN) {
void *pool2;
if (FDs[i].fd == _cancelFD[0]) {
char buffer;
#ifdef OF_HAVE_PIPE
OFEnsure(read(_cancelFD[0], &buffer, 1) == 1);
#else
OFEnsure(recvfrom(_cancelFD[0], &buffer, 1, 0,
NULL, NULL) == 1);
#endif
FDs[i].revents = 0;
continue;
}
pool2 = objc_autoreleasePoolPush();
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