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-rw-r--r--tdecore/network/tdesocketdevice.cpp891
1 files changed, 891 insertions, 0 deletions
diff --git a/tdecore/network/tdesocketdevice.cpp b/tdecore/network/tdesocketdevice.cpp
new file mode 100644
index 000000000..064b66b08
--- /dev/null
+++ b/tdecore/network/tdesocketdevice.cpp
@@ -0,0 +1,891 @@
+/* -*- C++ -*-
+ * Copyright (C) 2003,2005 Thiago Macieira <thiago.macieira@kdemail.net>
+ *
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <tqmap.h>
+
+#ifdef USE_SOLARIS
+# include <sys/filio.h>
+#endif
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <netinet/in.h>
+#include <unistd.h>
+
+#ifdef HAVE_POLL
+# include <sys/poll.h>
+#else
+# ifdef HAVE_SYS_SELECT
+# include <sys/select.h>
+# endif
+#endif
+
+// Include syssocket before our local includes
+#include "syssocket.h"
+
+#include <tqmutex.h>
+#include <tqsocketnotifier.h>
+
+#include "kresolver.h"
+#include "tdesocketaddress.h"
+#include "tdesocketbase.h"
+#include "tdesocketdevice.h"
+#include "ksockssocketdevice.h"
+
+using namespace KNetwork;
+
+class KNetwork::KSocketDevicePrivate
+{
+public:
+ mutable TQSocketNotifier *input, *output, *exception;
+ KSocketAddress local, peer;
+ int af;
+
+ inline KSocketDevicePrivate()
+ {
+ input = output = exception = 0L;
+ af = 0;
+ }
+};
+
+
+KSocketDevice::KSocketDevice(const KSocketBase* parent)
+ : m_sockfd(-1), d(new KSocketDevicePrivate)
+{
+ setSocketDevice(this);
+ if (parent)
+ setSocketOptions(parent->socketOptions());
+}
+
+KSocketDevice::KSocketDevice(int fd)
+ : m_sockfd(fd), d(new KSocketDevicePrivate)
+{
+ setState(IO_Open);
+ setFlags(IO_Sequential | IO_Raw | IO_ReadWrite);
+ setSocketDevice(this);
+ d->af = localAddress().family();
+}
+
+KSocketDevice::KSocketDevice(bool, const KSocketBase* parent)
+ : m_sockfd(-1), d(new KSocketDevicePrivate)
+{
+ // do not set parent
+ if (parent)
+ setSocketOptions(parent->socketOptions());
+}
+
+KSocketDevice::~KSocketDevice()
+{
+ close(); // deletes the notifiers
+ unsetSocketDevice(); // prevent double deletion
+ delete d;
+}
+
+bool KSocketDevice::setSocketOptions(int opts)
+{
+ // must call parent
+ TQMutexLocker locker(mutex());
+ KSocketBase::setSocketOptions(opts);
+
+ if (m_sockfd == -1)
+ return true; // flags are stored
+
+ {
+ int fdflags = fcntl(m_sockfd, F_GETFL, 0);
+ if (fdflags == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false; // error
+ }
+
+ if (opts & Blocking)
+ fdflags &= ~O_NONBLOCK;
+ else
+ fdflags |= O_NONBLOCK;
+
+ if (fcntl(m_sockfd, F_SETFL, fdflags) == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false; // error
+ }
+ }
+
+ {
+ int on = opts & AddressReuseable ? 1 : 0;
+ if (setsockopt(m_sockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on)) == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false; // error
+ }
+ }
+
+#if defined(IPV6_V6ONLY) && defined(AF_INET6)
+ if (d->af == AF_INET6)
+ {
+ // don't try this on non-IPv6 sockets, or we'll get an error
+
+ int on = opts & IPv6Only ? 1 : 0;
+ if (setsockopt(m_sockfd, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&on, sizeof(on)) == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false; // error
+ }
+ }
+#endif
+
+ {
+ int on = opts & Broadcast ? 1 : 0;
+ if (setsockopt(m_sockfd, SOL_SOCKET, SO_BROADCAST, (char*)&on, sizeof(on)) == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false; // error
+ }
+ }
+
+ return true; // all went well
+}
+
+bool KSocketDevice::open(TQ_OpenMode)
+{
+ resetError();
+ return false;
+}
+
+void KSocketDevice::close()
+{
+ resetError();
+ if (m_sockfd != -1)
+ {
+ delete d->input;
+ delete d->output;
+ delete d->exception;
+
+ d->input = d->output = d->exception = 0L;
+
+ d->local.setFamily(AF_UNSPEC);
+ d->peer.setFamily(AF_UNSPEC);
+
+ ::close(m_sockfd);
+ }
+ setState(0);
+
+ m_sockfd = -1;
+}
+
+bool KSocketDevice::create(int family, int type, int protocol)
+{
+ resetError();
+
+ if (m_sockfd != -1)
+ {
+ // it's already created!
+ setError(IO_SocketCreateError, AlreadyCreated);
+ return false;
+ }
+
+ // no socket yet; we have to create it
+ m_sockfd = kde_socket(family, type, protocol);
+
+ if (m_sockfd == -1)
+ {
+ setError(IO_SocketCreateError, NotSupported);
+ return false;
+ }
+
+ d->af = family;
+ setSocketOptions(socketOptions());
+ setState(IO_Open);
+ return true; // successfully created
+}
+
+bool KSocketDevice::create(const KResolverEntry& address)
+{
+ return create(address.family(), address.socketType(), address.protocol());
+}
+
+bool KSocketDevice::bind(const KResolverEntry& address)
+{
+ resetError();
+
+ if (m_sockfd == -1 && !create(address))
+ return false; // failed creating
+
+ // we have a socket, so try and bind
+ if (kde_bind(m_sockfd, address.address(), address.length()) == -1)
+ {
+ if (errno == EADDRINUSE)
+ setError(IO_BindError, AddressInUse);
+ else if (errno == EINVAL)
+ setError(IO_BindError, AlreadyBound);
+ else
+ // assume the address is the cause
+ setError(IO_BindError, NotSupported);
+ return false;
+ }
+
+ return true;
+}
+
+bool KSocketDevice::listen(int backlog)
+{
+ if (m_sockfd != -1)
+ {
+ if (kde_listen(m_sockfd, backlog) == -1)
+ {
+ setError(IO_ListenError, NotSupported);
+ return false;
+ }
+
+ resetError();
+ setFlags(IO_Sequential | IO_Raw | IO_ReadWrite);
+ return true;
+ }
+
+ // we don't have a socket
+ // can't listen
+ setError(IO_ListenError, NotCreated);
+ return false;
+}
+
+bool KSocketDevice::connect(const KResolverEntry& address)
+{
+ resetError();
+
+ if (m_sockfd == -1 && !create(address))
+ return false; // failed creating!
+
+ if (kde_connect(m_sockfd, address.address(), address.length()) == -1)
+ {
+ if (errno == EISCONN)
+ return true; // we're already connected
+ else if (errno == EALREADY || errno == EINPROGRESS)
+ {
+ setError(IO_ConnectError, InProgress);
+ return true;
+ }
+ else if (errno == ECONNREFUSED)
+ setError(IO_ConnectError, ConnectionRefused);
+ else if (errno == ENETDOWN || errno == ENETUNREACH ||
+ errno == ENETRESET || errno == ECONNABORTED ||
+ errno == ECONNRESET || errno == EHOSTDOWN ||
+ errno == EHOSTUNREACH)
+ setError(IO_ConnectError, NetFailure);
+ else
+ setError(IO_ConnectError, NotSupported);
+
+ return false;
+ }
+
+ setFlags(IO_Sequential | IO_Raw | IO_ReadWrite);
+ return true; // all is well
+}
+
+KSocketDevice* KSocketDevice::accept()
+{
+ if (m_sockfd == -1)
+ {
+ // can't accept without a socket
+ setError(IO_AcceptError, NotCreated);
+ return 0L;
+ }
+
+ struct sockaddr sa;
+ socklen_t len = sizeof(sa);
+ int newfd = kde_accept(m_sockfd, &sa, &len);
+ if (newfd == -1)
+ {
+ if (errno == EAGAIN || errno == EWOULDBLOCK)
+ setError(IO_AcceptError, WouldBlock);
+ else
+ setError(IO_AcceptError, UnknownError);
+ return NULL;
+ }
+
+ return new KSocketDevice(newfd);
+}
+
+bool KSocketDevice::disconnect()
+{
+ resetError();
+
+ if (m_sockfd == -1)
+ return false; // can't create
+
+ KSocketAddress address;
+ address.setFamily(AF_UNSPEC);
+ if (kde_connect(m_sockfd, address.address(), address.length()) == -1)
+ {
+ if (errno == EALREADY || errno == EINPROGRESS)
+ {
+ setError(IO_ConnectError, InProgress);
+ return false;
+ }
+ else if (errno == ECONNREFUSED)
+ setError(IO_ConnectError, ConnectionRefused);
+ else if (errno == ENETDOWN || errno == ENETUNREACH ||
+ errno == ENETRESET || errno == ECONNABORTED ||
+ errno == ECONNRESET || errno == EHOSTDOWN ||
+ errno == EHOSTUNREACH)
+ setError(IO_ConnectError, NetFailure);
+ else
+ setError(IO_ConnectError, NotSupported);
+
+ return false;
+ }
+
+ setFlags(IO_Sequential | IO_Raw | IO_ReadWrite);
+ setState(IO_Open);
+ return true; // all is well
+}
+
+#ifdef USE_QT3
+TQ_LONG KSocketDevice::bytesAvailable() const
+#endif
+#ifdef USE_QT4
+qint64 KSocketDevice::bytesAvailable() const
+#endif
+{
+ if (m_sockfd == -1)
+ return -1; // there's nothing to read in a closed socket
+
+ int nchars;
+ if (ioctl(m_sockfd, FIONREAD, &nchars) == -1)
+ return -1; // error!
+
+ return nchars;
+}
+
+TQ_LONG KSocketDevice::waitForMore(int msecs, bool *timeout)
+{
+ if (m_sockfd == -1)
+ return -1; // there won't ever be anything to read...
+
+ bool input;
+ if (!poll(&input, 0, 0, msecs, timeout))
+ return -1; // failed polling
+
+ return bytesAvailable();
+}
+
+static int do_read_common(int sockfd, char *data, TQ_ULONG maxlen, KSocketAddress* from, ssize_t &retval, bool peek = false)
+{
+ socklen_t len;
+ if (from)
+ {
+ from->setLength(len = 128); // arbitrary length
+ retval = ::recvfrom(sockfd, data, maxlen, peek ? MSG_PEEK : 0, from->address(), &len);
+ }
+ else
+ retval = ::recvfrom(sockfd, data, maxlen, peek ? MSG_PEEK : 0, NULL, NULL);
+
+ if (retval == -1)
+ {
+ if (errno == EAGAIN || errno == EWOULDBLOCK)
+ return KSocketDevice::WouldBlock;
+ else
+ return KSocketDevice::UnknownError;
+ }
+ if (retval == 0)
+ return KSocketDevice::RemotelyDisconnected;
+
+ if (from)
+ from->setLength(len);
+ return 0;
+}
+
+TQT_TQIO_LONG KSocketDevice::tqreadBlock(char *data, TQT_TQIO_ULONG maxlen)
+{
+ resetError();
+ if (m_sockfd == -1)
+ return -1;
+
+ if (maxlen == 0 || data == 0L)
+ return 0; // can't read
+
+ ssize_t retval;
+ int err = do_read_common(m_sockfd, data, maxlen, 0L, retval);
+
+ if (err)
+ {
+ setError(IO_ReadError, static_cast<SocketError>(err));
+ return -1;
+ }
+
+ return retval;
+}
+
+TQT_TQIO_LONG KSocketDevice::tqreadBlock(char *data, TQT_TQIO_ULONG maxlen, KSocketAddress &from)
+{
+ resetError();
+ if (m_sockfd == -1)
+ return -1; // nothing to do here
+
+ if (data == 0L || maxlen == 0)
+ return 0; // user doesn't want to read
+
+ ssize_t retval;
+ int err = do_read_common(m_sockfd, data, maxlen, &from, retval);
+
+ if (err)
+ {
+ setError(IO_ReadError, static_cast<SocketError>(err));
+ return -1;
+ }
+
+ return retval;
+}
+
+TQ_LONG KSocketDevice::peekBlock(char *data, TQ_ULONG maxlen)
+{
+ resetError();
+ if (m_sockfd == -1)
+ return -1;
+
+ if (maxlen == 0 || data == 0L)
+ return 0; // can't read
+
+ ssize_t retval;
+ int err = do_read_common(m_sockfd, data, maxlen, 0L, retval, true);
+
+ if (err)
+ {
+ setError(IO_ReadError, static_cast<SocketError>(err));
+ return -1;
+ }
+
+ return retval;
+}
+
+TQ_LONG KSocketDevice::peekBlock(char *data, TQ_ULONG maxlen, KSocketAddress& from)
+{
+ resetError();
+ if (m_sockfd == -1)
+ return -1; // nothing to do here
+
+ if (data == 0L || maxlen == 0)
+ return 0; // user doesn't want to read
+
+ ssize_t retval;
+ int err = do_read_common(m_sockfd, data, maxlen, &from, retval, true);
+
+ if (err)
+ {
+ setError(IO_ReadError, static_cast<SocketError>(err));
+ return -1;
+ }
+
+ return retval;
+}
+
+TQT_TQIO_LONG KSocketDevice::tqwriteBlock(const char *data, TQT_TQIO_ULONG len)
+{
+ return tqwriteBlock(data, len, KSocketAddress());
+}
+
+TQT_TQIO_LONG KSocketDevice::tqwriteBlock(const char *data, TQT_TQIO_ULONG len, const KSocketAddress& to)
+{
+ resetError();
+ if (m_sockfd == -1)
+ return -1; // can't write to unopen socket
+
+ if (data == 0L || len == 0)
+ return 0; // nothing to be written
+
+ ssize_t retval = ::sendto(m_sockfd, data, len, 0, to.address(), to.length());
+ if (retval == -1)
+ {
+ if (errno == EAGAIN || errno == EWOULDBLOCK)
+ setError(IO_WriteError, WouldBlock);
+ else
+ setError(IO_WriteError, UnknownError);
+ return -1; // nothing written
+ }
+ else if (retval == 0)
+ setError(IO_WriteError, RemotelyDisconnected);
+
+ return retval;
+}
+
+KSocketAddress KSocketDevice::localAddress() const
+{
+ if (m_sockfd == -1)
+ return KSocketAddress(); // not open, empty value
+
+ if (d->local.family() != AF_UNSPEC)
+ return d->local;
+
+ socklen_t len;
+ KSocketAddress localAddress;
+ localAddress.setLength(len = 32); // arbitrary value
+ if (kde_getsockname(m_sockfd, localAddress.address(), &len) == -1)
+ // error!
+ return d->local = KSocketAddress();
+
+#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
+ len = localAddress.address()->sa_len;
+#endif
+
+ if (len <= localAddress.length())
+ {
+ // it has fit already
+ localAddress.setLength(len);
+ return d->local = localAddress;
+ }
+
+ // no, the socket address is actually larger than we had anticipated
+ // call again
+ localAddress.setLength(len);
+ if (kde_getsockname(m_sockfd, localAddress.address(), &len) == -1)
+ // error!
+ return d->local = KSocketAddress();
+
+ return d->local = localAddress;
+}
+
+KSocketAddress KSocketDevice::peerAddress() const
+{
+ if (m_sockfd == -1)
+ return KSocketAddress(); // not open, empty value
+
+ if (d->peer.family() != AF_UNSPEC)
+ return d->peer;
+
+ socklen_t len;
+ KSocketAddress peerAddress;
+ peerAddress.setLength(len = 32); // arbitrary value
+ if (kde_getpeername(m_sockfd, peerAddress.address(), &len) == -1)
+ // error!
+ return d->peer = KSocketAddress();
+
+#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
+ len = peerAddress.address()->sa_len;
+#endif
+
+ if (len <= peerAddress.length())
+ {
+ // it has fit already
+ peerAddress.setLength(len);
+ return d->peer = peerAddress;
+ }
+
+ // no, the socket address is actually larger than we had anticipated
+ // call again
+ peerAddress.setLength(len);
+ if (kde_getpeername(m_sockfd, peerAddress.address(), &len) == -1)
+ // error!
+ return d->peer = KSocketAddress();
+
+ return d->peer = peerAddress;
+}
+
+KSocketAddress KSocketDevice::externalAddress() const
+{
+ // for normal sockets, the externally visible address is the same
+ // as the local address
+ return localAddress();
+}
+
+TQSocketNotifier* KSocketDevice::readNotifier() const
+{
+ if (d->input)
+ return d->input;
+
+ TQMutexLocker locker(mutex());
+ if (d->input)
+ return d->input;
+
+ if (m_sockfd == -1)
+ {
+ // socket doesn't exist; can't create notifier
+ return 0L;
+ }
+
+ return d->input = createNotifier(TQSocketNotifier::Read);
+}
+
+TQSocketNotifier* KSocketDevice::writeNotifier() const
+{
+ if (d->output)
+ return d->output;
+
+ TQMutexLocker locker(mutex());
+ if (d->output)
+ return d->output;
+
+ if (m_sockfd == -1)
+ {
+ // socket doesn't exist; can't create notifier
+ return 0L;
+ }
+
+ return d->output = createNotifier(TQSocketNotifier::Write);
+}
+
+TQSocketNotifier* KSocketDevice::exceptionNotifier() const
+{
+ if (d->exception)
+ return d->exception;
+
+ TQMutexLocker locker(mutex());
+ if (d->exception)
+ return d->exception;
+
+ if (m_sockfd == -1)
+ {
+ // socket doesn't exist; can't create notifier
+ return 0L;
+ }
+
+ return d->exception = createNotifier(TQSocketNotifier::Exception);
+}
+
+bool KSocketDevice::poll(bool *input, bool *output, bool *exception,
+ int timeout, bool* timedout)
+{
+ if (m_sockfd == -1)
+ {
+ setError(IO_UnspecifiedError, NotCreated);
+ return false;
+ }
+
+ resetError();
+#ifdef HAVE_POLL
+ struct pollfd fds;
+ fds.fd = m_sockfd;
+ fds.events = 0;
+
+ if (input)
+ {
+ fds.events |= POLLIN;
+ *input = false;
+ }
+ if (output)
+ {
+ fds.events |= POLLOUT;
+ *output = false;
+ }
+ if (exception)
+ {
+ fds.events |= POLLPRI;
+ *exception = false;
+ }
+
+ int retval = ::poll(&fds, 1, timeout);
+ if (retval == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false;
+ }
+ if (retval == 0)
+ {
+ // timeout
+ if (timedout)
+ *timedout = true;
+ return true;
+ }
+
+ if (input && fds.revents & POLLIN)
+ *input = true;
+ if (output && fds.revents & POLLOUT)
+ *output = true;
+ if (exception && fds.revents & POLLPRI)
+ *exception = true;
+ if (timedout)
+ *timedout = false;
+
+ return true;
+#else
+ /*
+ * We don't have poll(2). We'll have to make do with select(2).
+ */
+
+ fd_set readfds, writefds, exceptfds;
+ fd_set *preadfds = 0L, *pwritefds = 0L, *pexceptfds = 0L;
+
+ if (input)
+ {
+ preadfds = &readfds;
+ FD_ZERO(preadfds);
+ FD_SET(m_sockfd, preadfds);
+ *input = false;
+ }
+ if (output)
+ {
+ pwritefds = &writefds;
+ FD_ZERO(pwritefds);
+ FD_SET(m_sockfd, pwritefds);
+ *output = false;
+ }
+ if (exception)
+ {
+ pexceptfds = &exceptfds;
+ FD_ZERO(pexceptfds);
+ FD_SET(m_sockfd, pexceptfds);
+ *exception = false;
+ }
+
+ int retval;
+ if (timeout < 0)
+ retval = select(m_sockfd + 1, preadfds, pwritefds, pexceptfds, 0L);
+ else
+ {
+ // convert the milliseconds to timeval
+ struct timeval tv;
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = timeout % 1000 * 1000;
+
+ retval = select(m_sockfd + 1, preadfds, pwritefds, pexceptfds, &tv);
+ }
+
+ if (retval == -1)
+ {
+ setError(IO_UnspecifiedError, UnknownError);
+ return false;
+ }
+ if (retval == 0)
+ {
+ // timeout
+ if (timedout)
+ *timedout = true;
+ return true;
+ }
+
+ if (input && FD_ISSET(m_sockfd, preadfds))
+ *input = true;
+ if (output && FD_ISSET(m_sockfd, pwritefds))
+ *output = true;
+ if (exception && FD_ISSET(m_sockfd, pexceptfds))
+ *exception = true;
+
+ return true;
+#endif
+}
+
+bool KSocketDevice::poll(int timeout, bool *timedout)
+{
+ bool input, output, exception;
+ return poll(&input, &output, &exception, timeout, timedout);
+}
+
+TQSocketNotifier* KSocketDevice::createNotifier(TQSocketNotifier::Type type) const
+{
+ if (m_sockfd == -1)
+ return 0L;
+
+ return new TQSocketNotifier(m_sockfd, type);
+}
+
+namespace
+{
+ // simple class to avoid pointer stuff
+ template<class T> class ptr
+ {
+ typedef T type;
+ type* obj;
+ public:
+ ptr() : obj(0)
+ { }
+
+ ptr(const ptr<T>& other) : obj(other.obj)
+ { }
+
+ ptr(type* _obj) : obj(_obj)
+ { }
+
+ ~ptr()
+ { }
+
+ ptr<T>& operator=(const ptr<T>& other)
+ { obj = other.obj; return *this; }
+
+ ptr<T>& operator=(T* _obj)
+ { obj = _obj; return *this; }
+
+ type* operator->() const { return obj; }
+
+ operator T*() const { return obj; }
+
+ bool isNull() const
+ { return obj == 0; }
+ };
+}
+
+static KSocketDeviceFactoryBase* defaultImplFactory;
+static TQMutex defaultImplFactoryMutex;
+typedef TQMap<int, KSocketDeviceFactoryBase* > factoryMap;
+static factoryMap factories;
+
+KSocketDevice* KSocketDevice::createDefault(KSocketBase* parent)
+{
+ KSocketDevice* device = dynamic_cast<KSocketDevice*>(parent);
+ if (device != 0L)
+ return device;
+
+ KSocksSocketDevice::initSocks();
+
+ if (defaultImplFactory)
+ return defaultImplFactory->create(parent);
+
+ // the really default
+ return new KSocketDevice(parent);
+}
+
+KSocketDevice* KSocketDevice::createDefault(KSocketBase* parent, int capabilities)
+{
+ KSocketDevice* device = dynamic_cast<KSocketDevice*>(parent);
+ if (device != 0L)
+ return device;
+
+ TQMutexLocker locker(&defaultImplFactoryMutex);
+ factoryMap::ConstIterator it = factories.constBegin();
+ for ( ; it != factories.constEnd(); ++it)
+ if ((it.key() & capabilities) == capabilities)
+ // found a match
+ return it.data()->create(parent);
+
+ return 0L; // no default
+}
+
+KSocketDeviceFactoryBase*
+KSocketDevice::setDefaultImpl(KSocketDeviceFactoryBase* factory)
+{
+ TQMutexLocker locker(&defaultImplFactoryMutex);
+ KSocketDeviceFactoryBase* old = defaultImplFactory;
+ defaultImplFactory = factory;
+ return old;
+}
+
+void KSocketDevice::addNewImpl(KSocketDeviceFactoryBase* factory, int capabilities)
+{
+ TQMutexLocker locker(&defaultImplFactoryMutex);
+ if (factories.contains(capabilities))
+ delete factories[capabilities];
+ factories.insert(capabilities, factory);
+}
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-05 14:21:00 +0000