1 files changed, 82 insertions, 0 deletions
diff --git a/src/Net/ClientConnection.cpp b/src/Net/ClientConnection.cpp
new file mode 100644
index 0000000..396c70a
--- /dev/null
+++ b/src/Net/ClientConnection.cpp
@@ -0,0 +1,82 @@
+/*
+ * ClientConnection.cpp
+ *
+ * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ClientConnection.h"
+#include "IPAddress.h"
+#include <cstring>
+#include <errno.h>
+#include <sys/socket.h>
+
+namespace Mad {
+namespace Net {
+
+void ClientConnection::connect(const IPAddress &address) throw(ConnectionException) {
+  const int kx_list[] = {GNUTLS_KX_ANON_DH, 0};
+  
+  if(connected)
+    disconnect();
+  
+  peer = new IPAddress(address);
+  
+  sock = socket(PF_INET, SOCK_STREAM, 0);
+  if(sock < 0)
+    throw ConnectionException("socket()", std::strerror(errno));
+  
+  if(::connect(sock, peer->getSockAddr(), peer->getSockAddrLength()) < 0)
+    throw ConnectionException("connect()", std::strerror(errno));
+  
+  gnutls_anon_allocate_client_credentials(&anoncred);
+  gnutls_init(&session, GNUTLS_CLIENT);
+  
+  gnutls_set_default_priority(session);
+  gnutls_kx_set_priority(session, kx_list);
+  
+  gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
+  
+  gnutls_transport_set_ptr(session, reinterpret_cast<gnutls_transport_ptr_t>(sock));
+  
+  int ret = gnutls_handshake(session);
+  if(ret < 0)
+    throw ConnectionException("gnutls_handshake()", gnutls_strerror(ret));
+  
+  connected = true;
+}
+
+void ClientConnection::disconnect() {
+  gnutls_bye(session, GNUTLS_SHUT_RDWR);
+  
+  if(sock >= 0) {
+    shutdown(sock, SHUT_RDWR); /* no more receptions */
+    close(sock);
+    sock = -1;
+  }
+  
+  gnutls_deinit(session);
+  gnutls_anon_free_client_credentials(anoncred);
+  
+  if(peer) {
+    delete peer;
+    peer = 0;
+  }
+  
+  connected = false;
+}
+
+}
+}