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service_thread: convert to map for session management
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983f2b7074
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@ -2,6 +2,7 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <functional>
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#include <map>
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#include <mutex>
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#include <thread>
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#include <vector>
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@ -37,8 +38,7 @@ private:
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std::jthread m_thread;
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std::mutex m_session_mutex;
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std::vector<KServerSession*> m_sessions;
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std::vector<std::shared_ptr<SessionRequestManager>> m_managers;
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std::map<KServerSession*, std::shared_ptr<SessionRequestManager>> m_sessions;
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KEvent* m_wakeup_event;
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KProcess* m_process;
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std::atomic<bool> m_shutdown_requested;
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@ -51,19 +51,21 @@ void ServiceThread::Impl::WaitAndProcessImpl() {
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std::vector<std::shared_ptr<SessionRequestManager>> managers;
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{
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// Lock to get the list.
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// Lock to get the set.
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std::scoped_lock lk{m_session_mutex};
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// Resize to the needed quantity.
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objs.resize(m_sessions.size() + 1);
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managers.resize(m_managers.size());
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// Reserve the needed quantity.
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objs.reserve(m_sessions.size() + 1);
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managers.reserve(m_sessions.size());
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// Copy to our local list.
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std::copy(m_sessions.begin(), m_sessions.end(), objs.begin());
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std::copy(m_managers.begin(), m_managers.end(), managers.begin());
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for (const auto& [session, manager] : m_sessions) {
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objs.push_back(session);
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managers.push_back(manager);
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}
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// Insert the wakeup event at the end.
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objs.back() = &m_wakeup_event->GetReadableEvent();
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objs.push_back(&m_wakeup_event->GetReadableEvent());
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}
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// Wait on the list of sessions.
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@ -116,17 +118,11 @@ void ServiceThread::Impl::WaitAndProcessImpl() {
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void ServiceThread::Impl::SessionClosed(KServerSession* server_session,
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std::shared_ptr<SessionRequestManager> manager) {
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{
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// Lock to get the list.
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// Lock to get the set.
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std::scoped_lock lk{m_session_mutex};
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// Get the index of the session.
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const auto index =
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std::find(m_sessions.begin(), m_sessions.end(), server_session) - m_sessions.begin();
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ASSERT(index < static_cast<s64>(m_sessions.size()));
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// Remove the session and its manager.
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m_sessions.erase(m_sessions.begin() + index);
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m_managers.erase(m_managers.begin() + index);
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// Erase the session.
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ASSERT(m_sessions.erase(server_session) == 1);
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}
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// Close our reference to the server session.
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@ -149,12 +145,11 @@ void ServiceThread::Impl::RegisterServerSession(KServerSession* server_session,
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server_session->Open();
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{
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// Lock to get the list.
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// Lock to get the set.
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std::scoped_lock lk{m_session_mutex};
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// Insert the session and manager.
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m_sessions.push_back(server_session);
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m_managers.push_back(manager);
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m_sessions[server_session] = manager;
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}
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// Signal the wakeup event.
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@ -171,10 +166,13 @@ ServiceThread::Impl::~Impl() {
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m_session_mutex.lock();
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// Close all remaining sessions.
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for (size_t i = 0; i < m_sessions.size(); i++) {
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m_sessions[i]->Close();
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for (const auto& [server_session, manager] : m_sessions) {
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server_session->Close();
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}
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// Destroy remaining managers.
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m_sessions.clear();
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// Close event.
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m_wakeup_event->GetReadableEvent().Close();
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m_wakeup_event->Close();
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