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* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <string.h>
#include <assert.h>
#include <assert.h>
#include <errno.h>
#include <string.h>
#import "OFUDPSocket.h"
#ifdef OF_HAVE_THREADS
# import "OFThread.h"
#endif
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
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@implementation OFUDPSocket
+ (void)initialize
{
if (self != [OFUDPSocket class])
return;
if (!of_init_sockets())
if (!of_socket_init())
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
+ (instancetype)socket
{
return [[[self alloc] init] autorelease];
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#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
int flags;
#endif
if ((_socket = socket(results[0]->family,
results[0]->type | SOCK_CLOEXEC,
results[0]->protocol)) == INVALID_SOCKET)
@throw [OFBindFailedException exceptionWithHost: host
port: port
socket: self];
@throw [OFBindFailedException
exceptionWithHost: host
port: port
socket: self
errNo: of_socket_errno()];
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif
if (bind(_socket, results[0]->address,
results[0]->addressLength) == -1) {
int errNo = of_socket_errno();
close(_socket);
_socket = INVALID_SOCKET;
@throw [OFBindFailedException exceptionWithHost: host
port: port
socket: self];
socket: self
errNo: errNo];
}
} @finally {
of_resolver_free(results);
}
if (port > 0)
return port;
#ifndef __wii__
addrLen = (socklen_t)sizeof(addr.storage);
if (getsockname(_socket, (struct sockaddr*)&addr.storage, &addrLen)) {
int errNo = of_socket_errno();
close(_socket);
_socket = INVALID_SOCKET;
@throw [OFBindFailedException exceptionWithHost: host
port: port
socket: self];
socket: self
errNo: errNo];
}
if (addr.storage.ss_family == AF_INET)
return OF_BSWAP16_IF_LE(addr.in.sin_port);
# ifdef AF_INET6
if (addr.storage.ss_family == AF_INET6)
return OF_BSWAP16_IF_LE(addr.in6.sin6_port);
# endif
#endif
close(_socket);
_socket = INVALID_SOCKET;
@throw [OFBindFailedException exceptionWithHost: host
port: port
socket: self];
socket: self
errNo: EAFNOSUPPORT];
}
- (size_t)receiveIntoBuffer: (void*)buffer
length: (size_t)length
sender: (of_udp_socket_address_t*)sender
{
ssize_t ret;
if (_socket == INVALID_SOCKET)
@throw [OFNotConnectedException exceptionWithSocket: self];
sender->length = (socklen_t)sizeof(sender->address);
#ifndef _WIN32
if ((ret = recvfrom(_socket, buffer, length, 0,
(struct sockaddr*)&sender->address, &sender->length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length];
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: length
errNo: of_socket_errno()];
#else
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if ((ret = recvfrom(_socket, buffer, (int)length, 0,
(struct sockaddr*)&sender->address, &sender->length)) < 0)
@throw [OFReadFailedException exceptionWithObject: self
requestedLength: length];
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: length
errNo: of_socket_errno()];
#endif
return ret;
}
- (void)asyncReceiveIntoBuffer: (void*)buffer
length: (size_t)length
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{
if (_socket == INVALID_SOCKET)
@throw [OFNotConnectedException exceptionWithSocket: self];
#ifndef _WIN32
if (sendto(_socket, buffer, length, 0,
(struct sockaddr*)&receiver->address, receiver->length) < length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length];
@throw [OFWriteFailedException
exceptionWithObject: self
requestedLength: length
errNo: of_socket_errno()];
#else
if (length > INT_MAX)
@throw [OFOutOfRangeException exception];
if (sendto(_socket, buffer, (int)length, 0,
(struct sockaddr*)&receiver->address, receiver->length) < length)
@throw [OFWriteFailedException exceptionWithObject: self
requestedLength: length];
@throw [OFWriteFailedException
exceptionWithObject: self
requestedLength: length
errNo: of_socket_errno()];
#endif
}
- (void)cancelAsyncRequests
{
[OFRunLoop OF_cancelAsyncRequestsForObject: self];
}
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