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- /* 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.
- */
-
- // -=- RegConfig.cxx
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <malloc.h>
-
- #include <rfb_win32/RegConfig.h>
- #include <rfb/LogWriter.h>
- //#include <rdr/HexOutStream.h>
-
- using namespace rfb;
- using namespace rfb::win32;
-
-
- static LogWriter vlog("RegConfig");
-
-
- RegConfig::RegConfig(EventManager* em) : eventMgr(em), event(CreateEvent(0, TRUE, FALSE, 0)), callback(0) {
- if (em->addEvent(event, this))
- eventMgr = em;
- }
-
- RegConfig::~RegConfig() {
- if (eventMgr)
- eventMgr->removeEvent(event);
- }
-
- bool RegConfig::setKey(const HKEY rootkey, const char* keyname) {
- try {
- key.createKey(rootkey, keyname);
- processEvent(event);
- return true;
- } catch (rdr::Exception& e) {
- vlog.debug("%s", e.str());
- return false;
- }
- }
-
- void RegConfig::loadRegistryConfig(RegKey& key) {
- DWORD i = 0;
- try {
- while (1) {
- const char *name = key.getValueName(i++);
- if (!name) break;
- std::string value = key.getRepresentation(name);
- if (!Configuration::setParam(name, value.c_str()))
- vlog.info("unable to process %s", name);
- }
- } catch (rdr::SystemException& e) {
- if (e.err != 6)
- vlog.error("%s", e.str());
- }
- }
-
- void RegConfig::processEvent(HANDLE /*event*/) {
- vlog.info("registry changed");
-
- // Reinstate the registry change notifications
- ResetEvent(event);
- key.awaitChange(true, REG_NOTIFY_CHANGE_NAME | REG_NOTIFY_CHANGE_LAST_SET, event);
-
- // Load settings
- loadRegistryConfig(key);
-
- // Notify the callback, if supplied
- if (callback)
- callback->regConfigChanged();
- }
-
-
- RegConfigThread::RegConfigThread() : config(&eventMgr), thread_id(-1) {
- }
-
- RegConfigThread::~RegConfigThread() {
- PostThreadMessage(thread_id, WM_QUIT, 0, 0);
- wait();
- }
-
- bool RegConfigThread::start(const HKEY rootKey, const char* keyname) {
- if (config.setKey(rootKey, keyname)) {
- Thread::start();
- while (thread_id == (DWORD)-1)
- Sleep(0);
- return true;
- }
- return false;
- }
-
- void RegConfigThread::worker() {
- BOOL result = 0;
- MSG msg;
- thread_id = GetCurrentThreadId();
- while ((result = eventMgr.getMessage(&msg, 0, 0, 0)) > 0) {}
- if (result < 0)
- throw rdr::SystemException("RegConfigThread failed", GetLastError());
- }
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