bool TraceSvcJrd::checkAliveAndFlags(ULONG sesId, int& flags)
{
ConfigStorage* storage = TraceManager::getStorage();
bool alive = (m_chg_number == storage->getChangeNumber());
if (!alive)
{
// look if our session still alive
StorageGuard guard(storage);
TraceSession readSession(*getDefaultMemoryPool());
storage->restart();
while (storage->getNextSession(readSession))
{
if (readSession.ses_id == sesId)
{
alive = true;
flags = readSession.ses_flags;
break;
}
}
m_chg_number = storage->getChangeNumber();
}
return alive;
}
void TraceSvcJrd::stopSession(ULONG id)
{
m_svc.started();
ConfigStorage* storage = TraceManager::getStorage();
StorageGuard guard(storage);
storage->restart();
TraceSession session(*getDefaultMemoryPool());
while (storage->getNextSession(session))
{
if (id != session.ses_id)
continue;
if (m_admin || m_user == session.ses_user)
{
storage->removeSession(id);
m_svc.printf(false, "Trace session ID %ld stopped\n", id);
}
else
m_svc.printf(false, "No permissions to stop other user trace session\n");
return;
}
m_svc.printf(false, "Trace session ID %d not found\n", id);
}
bool TraceSvcJrd::changeFlags(ULONG id, int setFlags, int clearFlags)
{
ConfigStorage* storage = TraceManager::getStorage();
StorageGuard guard(storage);
storage->restart();
TraceSession session(*getDefaultMemoryPool());
while (storage->getNextSession(session))
{
if (id != session.ses_id)
continue;
if (m_admin || m_user == session.ses_user)
{
const int saveFlags = session.ses_flags;
session.ses_flags |= setFlags;
session.ses_flags &= ~clearFlags;
if (saveFlags != session.ses_flags) {
storage->updateSession(session);
}
return true;
}
m_svc.printf(false, "No permissions to change other user trace session\n");
return false;
}
m_svc.printf(false, "Trace session ID %d not found\n", id);
return false;
}
void TraceSvcJrd::listSessions()
{
m_svc.started();
ConfigStorage* storage = TraceManager::getStorage();
StorageGuard guard(storage);
storage->restart();
TraceSession session(*getDefaultMemoryPool());
while (storage->getNextSession(session))
{
if (m_admin || m_user == session.ses_user)
{
m_svc.printf(false, "\nSession ID: %d\n", session.ses_id);
if (!session.ses_name.empty()) {
m_svc.printf(false, " name: %s\n", session.ses_name.c_str());
}
m_svc.printf(false, " user: %s\n", session.ses_user.c_str());
struct tm* t = localtime(&session.ses_start);
m_svc.printf(false, " date: %04d-%02d-%02d %02d:%02d:%02d\n",
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec);
string flags;
if (session.ses_flags & trs_active) {
flags = "active";
}
else {
flags = "suspend";
}
if (session.ses_flags & trs_admin) {
flags += ", admin";
}
if (session.ses_flags & trs_system) {
flags += ", system";
}
if (session.ses_logfile.empty()) {
flags += ", audit";
}
else {
flags += ", trace";
}
if (session.ses_flags & trs_log_full) {
flags += ", log full";
}
m_svc.printf(false, " flags: %s\n", flags.c_str());
}
}
}
void TraceManager::update_sessions()
{
SortedArray<ULONG> liveSessions(*getDefaultMemoryPool());
{ // scope
ConfigStorage* storage = getStorage();
StorageGuard guard(storage);
storage->restart();
TraceSession session(*getDefaultMemoryPool());
while (storage->getNextSession(session))
{
if ((session.ses_flags & trs_active) && !(session.ses_flags & trs_log_full))
{
update_session(session);
liveSessions.add(session.ses_id);
}
}
changeNumber = storage->getChangeNumber();
}
// remove sessions not present in storage
FB_SIZE_T i = 0;
while (i < trace_sessions.getCount())
{
FB_SIZE_T pos;
if (liveSessions.find(trace_sessions[i].ses_id, pos)) {
i++;
}
else
{
trace_sessions[i].plugin->release();
trace_sessions.remove(i);
}
}
// nothing to trace, clear needs
if (trace_sessions.getCount() == 0)
{
trace_needs = 0;
}
}
