Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@591 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/win/rfb_win32/SocketManager.cxx b/win/rfb_win32/SocketManager.cxx
new file mode 100644
index 0000000..1d52bc8
--- /dev/null
+++ b/win/rfb_win32/SocketManager.cxx
@@ -0,0 +1,213 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ *
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+// -=- SocketManager.cxx
+
+#include <winsock2.h>
+#include <list>
+#include <rfb/LogWriter.h>
+#include <rfb_win32/SocketManager.h>
+
+using namespace rfb;
+using namespace rfb::win32;
+
+static LogWriter vlog("SocketManager");
+
+
+// -=- SocketManager
+
+SocketManager::SocketManager() {
+}
+
+SocketManager::~SocketManager() {
+}
+
+
+static requestAddressChangeEvents(network::SocketListener* sock_) {
+ DWORD dummy = 0;
+ if (WSAIoctl(sock_->getFd(), SIO_ADDRESS_LIST_CHANGE, 0, 0, 0, 0, &dummy, 0, 0) == SOCKET_ERROR) {
+ DWORD err = WSAGetLastError();
+ if (err != WSAEWOULDBLOCK)
+ vlog.error("Unable to track address changes", err);
+ }
+}
+
+
+void SocketManager::addListener(network::SocketListener* sock_,
+ network::SocketServer* srvr,
+ AddressChangeNotifier* acn) {
+ WSAEVENT event = WSACreateEvent();
+ long flags = FD_ACCEPT | FD_CLOSE;
+ if (acn)
+ flags |= FD_ADDRESS_LIST_CHANGE;
+ try {
+ if (event && (WSAEventSelect(sock_->getFd(), event, flags) == SOCKET_ERROR))
+ throw rdr::SystemException("Unable to select on listener", WSAGetLastError());
+
+ // requestAddressChangeEvents MUST happen after WSAEventSelect, so that the socket is non-blocking
+ if (acn)
+ requestAddressChangeEvents(sock_);
+
+ // addEvent is the last thing we do, so that the event is NOT registered if previous steps fail
+ if (!event || !addEvent(event, this))
+ throw rdr::Exception("Unable to add listener");
+ } catch (rdr::Exception& e) {
+ if (event)
+ WSACloseEvent(event);
+ delete sock_;
+ vlog.error(e.str());
+ throw;
+ }
+
+ ListenInfo li;
+ li.sock = sock_;
+ li.server = srvr;
+ li.notifier = acn;
+ listeners[event] = li;
+}
+
+void SocketManager::remListener(network::SocketListener* sock) {
+ std::map<HANDLE,ListenInfo>::iterator i;
+ for (i=listeners.begin(); i!=listeners.end(); i++) {
+ if (i->second.sock == sock) {
+ removeEvent(i->first);
+ WSACloseEvent(i->first);
+ delete sock;
+ listeners.erase(i);
+ return;
+ }
+ }
+ throw rdr::Exception("Listener not registered");
+}
+
+
+void SocketManager::addSocket(network::Socket* sock_, network::SocketServer* srvr, bool outgoing) {
+ WSAEVENT event = WSACreateEvent();
+ if (!event || !addEvent(event, this) ||
+ (WSAEventSelect(sock_->getFd(), event, FD_READ | FD_CLOSE) == SOCKET_ERROR)) {
+ if (event)
+ WSACloseEvent(event);
+ delete sock_;
+ vlog.error("Unable to add connection");
+ return;
+ }
+ ConnInfo ci;
+ ci.sock = sock_;
+ ci.server = srvr;
+ connections[event] = ci;
+ srvr->addSocket(sock_, outgoing);
+}
+
+void SocketManager::remSocket(network::Socket* sock_) {
+ std::map<HANDLE,ConnInfo>::iterator i;
+ for (i=connections.begin(); i!=connections.end(); i++) {
+ if (i->second.sock == sock_) {
+ i->second.server->removeSocket(sock_);
+ removeEvent(i->first);
+ WSACloseEvent(i->first);
+ delete sock_;
+ connections.erase(i);
+ return;
+ }
+ }
+ throw rdr::Exception("Socket not registered");
+}
+
+
+int SocketManager::checkTimeouts() {
+ network::SocketServer* server = 0;
+ int timeout = EventManager::checkTimeouts();
+
+ std::map<HANDLE,ListenInfo>::iterator i;
+ for (i=listeners.begin(); i!=listeners.end(); i++)
+ soonestTimeout(&timeout, i->second.server->checkTimeouts());
+
+ std::list<network::Socket*> shutdownSocks;
+ std::map<HANDLE,ConnInfo>::iterator j, j_next;
+ for (j=connections.begin(); j!=connections.end(); j=j_next) {
+ j_next = j; j_next++;
+ if (j->second.sock->isShutdown())
+ shutdownSocks.push_back(j->second.sock);
+ }
+
+ std::list<network::Socket*>::iterator k;
+ for (k=shutdownSocks.begin(); k!=shutdownSocks.end(); k++)
+ remSocket(*k);
+
+ return timeout;
+}
+
+
+void SocketManager::processEvent(HANDLE event) {
+ if (listeners.count(event)) {
+ ListenInfo li = listeners[event];
+
+ // Accept an incoming connection
+ vlog.debug("accepting incoming connection");
+
+ // What kind of event is this?
+ WSANETWORKEVENTS network_events;
+ WSAEnumNetworkEvents(li.sock->getFd(), event, &network_events);
+ if (network_events.lNetworkEvents & FD_ACCEPT) {
+ network::Socket* new_sock = li.sock->accept();
+ if (new_sock && li.server->getDisable()) {
+ delete new_sock;
+ new_sock = 0;
+ }
+ if (new_sock)
+ addSocket(new_sock, li.server, false);
+ } else if (network_events.lNetworkEvents & FD_CLOSE) {
+ vlog.info("deleting listening socket");
+ remListener(li.sock);
+ } else if (network_events.lNetworkEvents & FD_ADDRESS_LIST_CHANGE) {
+ li.notifier->processAddressChange(li.sock);
+ DWORD dummy = 0;
+ requestAddressChangeEvents(li.sock);
+ } else {
+ vlog.error("unknown listener event: %lx", network_events.lNetworkEvents);
+ }
+ } else if (connections.count(event)) {
+ ConnInfo ci = connections[event];
+
+ try {
+ // Process data from an active connection
+
+ // Cancel event notification for this socket
+ if (WSAEventSelect(ci.sock->getFd(), event, 0) == SOCKET_ERROR)
+ throw rdr::SystemException("unable to disable WSAEventSelect:%u", WSAGetLastError());
+
+ // Reset the event object
+ WSAResetEvent(event);
+
+ // Call the socket server to process the event
+ ci.server->processSocketEvent(ci.sock);
+ if (ci.sock->isShutdown()) {
+ remSocket(ci.sock);
+ return;
+ }
+
+ // Re-instate the required socket event
+ // If the read event is still valid, the event object gets set here
+ if (WSAEventSelect(ci.sock->getFd(), event, FD_READ | FD_CLOSE) == SOCKET_ERROR)
+ throw rdr::SystemException("unable to re-enable WSAEventSelect:%u", WSAGetLastError());
+ } catch (rdr::Exception& e) {
+ vlog.error(e.str());
+ remSocket(ci.sock);
+ }
+ }
+}