Removing more unused code.

src/net/common/socket_startup.cpp

@@ -0,0 +1,131 @@
+/***************************************************************************
+ *   Copyright (C) 2007 by Lothar May                                      *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <boost/asio.hpp>
+#include <boost/thread.hpp>
+#include <boost/version.hpp> // solve compatibility issues
+
+#include <net/socket_startup.h>
+#include <core/openssl_wrapper.h>
+
+#ifdef PKTH_USE_GNUTLS
+
+#include <gcrypt.h>
+
+extern "C" {
+
+	int gcry_bthread_init()
+	{
+		return 0;
+	}
+	int gcry_bmutex_init(void **obj) {
+		*obj = (void*)(new boost::mutex);
+		return 0;
+	}
+	int gcry_bmutex_destroy(void **obj) {
+		delete (boost::mutex *)(*obj);
+		return 0;
+	}
+	int gcry_bmutex_lock(void **obj) {
+#if (BOOST_VERSION) >= 103500
+		((boost::mutex *)(*obj))->lock();
+#else
+		boost::detail::thread::lock_ops<boost::mutex>::lock(*((boost::mutex *)*obj));
+#endif
+		return 0;
+	}
+	int gcry_bmutex_unlock(void **obj) {
+#if (BOOST_VERSION) >= 103500
+		((boost::mutex *)(*obj))->unlock();
+#else
+		boost::detail::thread::lock_ops<boost::mutex>::unlock(*((boost::mutex *)*obj));
+#endif
+		return 0;
+	}
+
+	struct gcry_thread_cbs gcry_threads_boost =
+	{
+		GCRY_THREAD_OPTION_USER, gcry_bthread_init, gcry_bmutex_init,
+		gcry_bmutex_destroy, gcry_bmutex_lock, gcry_bmutex_unlock,
+		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
+	};
+}
+#endif // PKTH_USE_GNUTLS
+
+bool
+socket_startup()
+{
+#ifdef PKTH_USE_GNUTLS
+	gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_boost);
+	gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM, 0);
+#endif
+	return SSL_library_init() == 1;
+}
+
+void
+socket_cleanup()
+{
+}
+
+
+bool
+socket_has_sctp()
+{
+#ifdef IPPROTO_SCTP
+	boost::asio::detail::socket_type test = socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP);
+
+	if (test == boost::asio::detail::invalid_socket)
+		return false;
+	boost::system::error_code ec;
+	boost::asio::detail::socket_ops::close(test, ec);
+	return true;
+#else
+	return false;
+#endif
+}
+
+bool
+socket_has_ipv6()
+{
+	boost::asio::detail::socket_type test = socket(AF_INET6, SOCK_STREAM, 0);
+
+	if (test == boost::asio::detail::invalid_socket)
+		return false;
+	boost::system::error_code ec;
+	boost::asio::detail::socket_ops::close(test, ec);
+	return true;
+}
+
+bool
+socket_has_dual_stack()
+{
+	bool retVal = false;
+	boost::asio::detail::socket_type test = socket(AF_INET6, SOCK_STREAM, 0);
+
+	if (test != boost::asio::detail::invalid_socket)
+	{
+		int ipv6only = 0;
+		if (setsockopt(test, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&ipv6only, sizeof(ipv6only)) == 0)
+			retVal = true;
+		boost::system::error_code ec;
+		boost::asio::detail::socket_ops::close(test, ec);
+	}
+	return retVal;
+}
+