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XvncManager.cpp
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XvncManager.cpp
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/*
* Copyright (c) 2016 Michal Srb <michalsrb@gmail.com>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <algorithm>
#include <cassert>
#include "Xvnc.h"
#include "XvncManager.h"
std::shared_ptr<Xvnc> XvncManager::createSession(bool queryDisplayManager)
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
auto ptr = std::make_shared<Xvnc>(*this, m_nextId++, queryDisplayManager);
[[gnu::unused]] auto result = m_xvncs.insert(std::make_pair(ptr->id(), ptr));
assert(result.second); // New Xvnc object was created, it must be unique in the set, unless there is something very wrong.
return ptr;
}
std::shared_ptr<Xvnc> XvncManager::getSession(int id)
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
auto iter = m_xvncs.find(id);
if (iter == m_xvncs.end()) {
return std::shared_ptr<Xvnc>();
}
return iter->second;
}
std::shared_ptr< Xvnc > XvncManager::getSessionByDisplayNumber(int displayNumber)
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
for (auto iter : m_xvncs) {
if (iter.second->displayNumber() == displayNumber) {
return iter.second;
}
}
return std::shared_ptr<Xvnc>();
}
const XvncManager::XvncMap XvncManager::sessionList() const
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
return m_xvncs;
}
bool XvncManager::hasVisibleSessions() const
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
return std::any_of(m_xvncs.begin(), m_xvncs.end(), [](const XvncManager::XvncMap::value_type & pair) {
return pair.second->visible();
});
}
void XvncManager::notifySessionChanged()
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
m_sessionListVersion++;
}
void XvncManager::childDied(pid_t pid)
{
std::lock_guard<std::recursive_mutex> guard(m_lock);
for (auto iter = m_xvncs.begin(); iter != m_xvncs.end(); ++iter) {
if (iter->second->pid() == pid) {
m_xvncs.erase(iter);
break;
}
}
}