mirror of
https://github.com/kasmtech/KasmVNC.git
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114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- RegConfig.cxx
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#include <malloc.h>
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#include <rfb_win32/RegConfig.h>
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#include <rfb/LogWriter.h>
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#include <rfb/util.h>
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//#include <rdr/HexOutStream.h>
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using namespace rfb;
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using namespace rfb::win32;
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static LogWriter vlog("RegConfig");
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RegConfig::RegConfig(EventManager* em) : eventMgr(em), event(CreateEvent(0, TRUE, FALSE, 0)), callback(0) {
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if (em->addEvent(event, this))
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eventMgr = em;
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}
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RegConfig::~RegConfig() {
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if (eventMgr)
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eventMgr->removeEvent(event);
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}
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bool RegConfig::setKey(const HKEY rootkey, const TCHAR* keyname) {
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try {
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key.createKey(rootkey, keyname);
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processEvent(event);
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return true;
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} catch (rdr::Exception& e) {
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vlog.debug("%s", e.str());
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return false;
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}
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}
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void RegConfig::loadRegistryConfig(RegKey& key) {
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DWORD i = 0;
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try {
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while (1) {
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TCharArray name(tstrDup(key.getValueName(i++)));
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if (!name.buf) break;
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TCharArray value(key.getRepresentation(name.buf));
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if (!value.buf || !Configuration::setParam(CStr(name.buf), CStr(value.buf)))
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vlog.info("unable to process %s", name.buf);
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}
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} catch (rdr::SystemException& e) {
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if (e.err != 6)
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vlog.error("%s", e.str());
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}
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}
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void RegConfig::processEvent(HANDLE event_) {
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vlog.info("registry changed");
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// Reinstate the registry change notifications
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ResetEvent(event);
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key.awaitChange(true, REG_NOTIFY_CHANGE_NAME | REG_NOTIFY_CHANGE_LAST_SET, event);
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// Load settings
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loadRegistryConfig(key);
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// Notify the callback, if supplied
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if (callback)
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callback->regConfigChanged();
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}
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RegConfigThread::RegConfigThread() : config(&eventMgr), thread_id(-1) {
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}
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RegConfigThread::~RegConfigThread() {
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PostThreadMessage(thread_id, WM_QUIT, 0, 0);
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wait();
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}
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bool RegConfigThread::start(const HKEY rootKey, const TCHAR* keyname) {
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if (config.setKey(rootKey, keyname)) {
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Thread::start();
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while (thread_id == (DWORD)-1)
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Sleep(0);
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return true;
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}
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return false;
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}
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void RegConfigThread::worker() {
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DWORD result = 0;
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MSG msg;
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thread_id = GetCurrentThreadId();
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while ((result = eventMgr.getMessage(&msg, 0, 0, 0)) > 0) {}
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if (result < 0)
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throw rdr::SystemException("RegConfigThread failed", GetLastError());
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}
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