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// Copyright Epic Games, Inc. All Rights Reserved.
#include "sessions.h"
#include <zencore/basicfile.h>
#include <zencore/fmtutils.h>
#include <zencore/logging.h>
namespace zen {
using namespace std::literals;
class SessionLog : public TRefCounted<SessionLog>
{
public:
SessionLog(std::filesystem::path LogFilePath) { m_LogFile.Open(LogFilePath, BasicFile::Mode::kWrite); }
private:
BasicFile m_LogFile;
};
class SessionLogStore
{
public:
SessionLogStore(std::filesystem::path StoragePath) : m_StoragePath(std::move(StoragePath)) {}
~SessionLogStore() = default;
Ref<SessionLog> GetLogForSession(const Oid& SessionId)
{
// For now, just return a new log for each session. We can implement actual log storage and retrieval later.
return Ref(new SessionLog(m_StoragePath / (SessionId.ToString() + ".log")));
}
Ref<SessionLog> CreateLogForSession(const Oid& SessionId)
{
// For now, just return a new log for each session. We can implement actual log storage and retrieval later.
return Ref(new SessionLog(m_StoragePath / (SessionId.ToString() + ".log")));
}
private:
std::filesystem::path m_StoragePath;
};
SessionsService::Session::Session(const SessionInfo& Info) : m_Info(Info)
{
}
SessionsService::Session::~Session() = default;
//////////////////////////////////////////////////////////////////////////
SessionsService::SessionsService() : m_Log(logging::Get("sessions"))
{
}
SessionsService::~SessionsService() = default;
bool
SessionsService::RegisterSession(const Oid& SessionId, std::string AppName, const Oid& JobId, CbObjectView Metadata)
{
RwLock::ExclusiveLockScope Lock(m_Lock);
if (m_Sessions.contains(SessionId))
{
return false;
}
ZEN_INFO("Session {} registered (AppName: {}, JobId: {})", SessionId, AppName, JobId);
const DateTime Now = DateTime::Now();
m_Sessions.emplace(SessionId,
Ref(new Session(SessionInfo{.Id = SessionId,
.AppName = std::move(AppName),
.JobId = JobId,
.Metadata = CbObject::Clone(Metadata),
.CreatedAt = Now,
.UpdatedAt = Now})));
return true;
}
bool
SessionsService::UpdateSession(const Oid& SessionId, CbObjectView Metadata)
{
RwLock::ExclusiveLockScope Lock(m_Lock);
auto It = m_Sessions.find(SessionId);
if (It == m_Sessions.end())
{
return false;
}
It.value()->UpdateMetadata(Metadata);
const SessionInfo& Info = It.value()->Info();
ZEN_DEBUG("Session {} updated (AppName: {}, JobId: {})", SessionId, Info.AppName, Info.JobId);
return true;
}
Ref<SessionsService::Session>
SessionsService::GetSession(const Oid& SessionId) const
{
RwLock::SharedLockScope Lock(m_Lock);
auto It = m_Sessions.find(SessionId);
if (It == m_Sessions.end())
{
return {};
}
return It->second;
}
std::vector<Ref<SessionsService::Session>>
SessionsService::GetSessions() const
{
RwLock::SharedLockScope Lock(m_Lock);
std::vector<Ref<Session>> Result;
Result.reserve(m_Sessions.size());
for (const auto& [Id, SessionRef] : m_Sessions)
{
Result.push_back(SessionRef);
}
return Result;
}
bool
SessionsService::RemoveSession(const Oid& SessionId)
{
RwLock::ExclusiveLockScope Lock(m_Lock);
auto It = m_Sessions.find(SessionId);
if (It == m_Sessions.end())
{
return false;
}
ZEN_INFO("Session {} removed (AppName: {}, JobId: {})", SessionId, It.value()->Info().AppName, It.value()->Info().JobId);
m_Sessions.erase(It);
return true;
}
uint64_t
SessionsService::GetSessionCount() const
{
RwLock::SharedLockScope Lock(m_Lock);
return m_Sessions.size();
}
} // namespace zen
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