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#include <poll.h>
#import "OFSocketObserver.h"
#import "OFDataArray.h"
#import "OFDictionary.h"
#import "OFSocket.h"
#import "OFTCPSocket.h"
#import "OFNumber.h"
#import "OFAutoreleasePool.h"
@implementation OFSocketObserver
+ socketObserver
{
return [[[self alloc] init] autorelease];
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- (void)setDelegate: (OFObject <OFSocketObserverDelegate>*)delegate_
{
[delegate_ retain];
[delegate release];
delegate = delegate_;
}
- (void)addSocketToObserveForReading: (OFSocket*)sock
- (void)_addSocket: (OFSocket*)sock
withEvents: (short)events
{
struct pollfd *fds_c = [fds cArray];
size_t i, count = [fds count];
BOOL found = NO;
for (i = 0; i < count; i++) {
if (fds_c[i].fd == sock->sock) {
fds_c[i].events |= POLLIN;
fds_c[i].events |= events;
found = YES;
}
}
if (!found) {
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
struct pollfd p = { sock->sock, POLLIN, 0 };
struct pollfd p = { sock->sock, events, 0 };
[fds addItem: &p];
[fdToSocket setObject: sock
forKey: [OFNumber numberWithInt: sock->sock]];
[pool release];
}
}
- (void)addSocketToObserveForWriting: (OFSocket*)sock
- (void)_removeSocket: (OFSocket*)sock
{
struct pollfd *fds_c = [fds cArray];
size_t i, nfds = [fds count];
BOOL found = NO;
for (i = 0; i < nfds; i++) {
if (fds_c[i].fd == sock->sock) {
fds_c[i].events |= POLLOUT;
found = YES;
}
}
if (!found) {
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
struct pollfd p = { sock->sock, POLLOUT, 0 };
[fds addItem: &p];
[fdToSocket setObject: sock
forKey: [OFNumber numberWithInt: sock->sock]];
[pool release];
}
}
- (void)removeSocketToObserveForReading: (OFSocket*)sock
fds_c[i].events &= ~POLLIN;
fds_c[i].events &= ~events;
if (fds_c[i].events != 0)
return;
pool = [[OFAutoreleasePool alloc] init];
[fds removeItemAtIndex: i];
[fdToSocket removeObjectForKey:
[OFNumber numberWithInt: sock->sock]];
[pool release];
}
}
}
- (void)removeSocketToObserveForWriting: (OFSocket*)sock
- (void)addSocketToObserveForIncomingConnections: (OFTCPSocket*)sock
{
struct pollfd *fds_c = [fds cArray];
size_t i, nfds = [fds count];
for (i = 0; i < nfds; i++) {
if (fds_c[i].fd == sock->sock) {
[self _addSocket: sock
withEvents: POLLIN];
}
- (void)addSocketToObserveForReading: (OFSocket*)sock
OFAutoreleasePool *pool;
fds_c[i].events &= ~POLLOUT;
if (fds_c[i].events != 0)
return;
pool = [[OFAutoreleasePool alloc] init];
[fds removeItemAtIndex: i];
[fdToSocket removeObjectForKey:
[OFNumber numberWithInt: sock->sock]];
[pool release];
}
}
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for (i = 0; i < nfds; i++) {
OFNumber *num;
OFSocket *sock;
if (fds_c[i].revents & POLLIN) {
num = [OFNumber numberWithInt: fds_c[i].fd];
sock = [fdToSocket objectForKey: num];
if (sock->listening)
[delegate socketDidReceiveIncomingConnection:
(OFTCPSocket*)sock];
else
[delegate socketDidGetReadyForReading: sock];
[delegate socketDidBecomeReadyForReading: sock];
}
if (fds_c[i].revents & POLLOUT) {
num = [OFNumber numberWithInt: fds_c[i].fd];
sock = [fdToSocket objectForKey: num];
[delegate socketDidGetReadyForReading: sock];
[delegate socketDidBecomeReadyForReading: sock];
}
fds_c[i].revents = 0;
}
[pool release];
return ret;
}
@end
@implementation OFObject (OFSocketObserverDelegate)
- (void)socketDidReceiveIncomingConnection: (OFTCPSocket*)sock
{
}
- (void)socketDidGetReadyForReading: (OFSocket*)sock
- (void)socketDidBecomeReadyForReading: (OFSocket*)sock
{
}
- (void)socketDidGetReadyForWriting: (OFSocket*)sock
- (void)socketDidBecomeReadyForWriting: (OFSocket*)sock
{
}
@end
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