bool CBOINCClientManager::AutoRestart() {
double timeNow, timeDiff;
if (IsBOINCCoreRunning()) return true;
#if ! (defined(__WXMAC__) || defined(__WXMSW__))
// Mac and Windows can restart Client as a daemon, but
// Linux may not know Client's location if it didn't start the Client
if (!m_bBOINCStartedByManager) return false;
#endif
// Alert user if Client crashes 3 times in CLIENT_3_CRASH_MAX_TIME
timeNow = dtime();
timeDiff = timeNow - m_fAutoRestart1Time;
if ((timeDiff) < (CLIENT_3_CRASH_MAX_TIME * 60)) {
int response;
ClientCrashDlg *dlg = new ClientCrashDlg(timeDiff);
if (dlg) {
CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
if (!pFrame->IsShown()) {
pFrame->Show();
}
response = dlg->ShowModal();
dlg->Destroy();
if (response == wxID_CANCEL) return false;
timeNow = 0;
m_fAutoRestart1Time = 0;
m_fAutoRestart2Time = 0;
}
}
m_lBOINCCoreProcessId = 0;
m_fAutoRestart1Time = m_fAutoRestart2Time;
m_fAutoRestart2Time = timeNow;
StartupBOINCCore();
return true;
}
int CMainDocument::RequestRPC(ASYNC_RPC_REQUEST& request, bool hasPriority) {
std::vector<ASYNC_RPC_REQUEST>::iterator iter;
int retval = 0;
int response = wxID_OK;
wxMutexError mutexErr = wxMUTEX_NO_ERROR;
long delayTimeRemaining, timeToSleep;
bool shown = false;
if (!m_RPCThread) return -1;
if ( (request.rpcType < RPC_TYPE_WAIT_FOR_COMPLETION) ||
(request.rpcType >= NUM_RPC_TYPES) ) {
wxASSERT(false);
return -1;
}
// If we are quitting, cancel any pending RPCs
if (request.which_rpc == RPC_QUIT) {
if (current_rpc_request.isActive) {
RPC_requests.erase(RPC_requests.begin()+1, RPC_requests.end());
} else {
RPC_requests.clear();
}
}
// Check if a duplicate request is already on the queue
for (iter=RPC_requests.begin(); iter!=RPC_requests.end(); iter++) {
if (iter->isSameAs(request)) {
return 0;
}
}
if ((request.rpcType == RPC_TYPE_WAIT_FOR_COMPLETION) && (request.resultPtr == NULL)) {
request.resultPtr = &retval;
}
if (hasPriority) {
// We may want to set hasPriority for some user-initiated events.
// Since the user is waiting, insert this at head of request queue.
// As of 8/14/08, hasPriority is never set true, so hasn't been tested.
iter = RPC_requests.insert(RPC_requests.begin(), request);
} else {
RPC_requests.push_back(request);
}
// Start this RPC if no other RPC is already in progress.
if (RPC_requests.size() == 1) {
// Wait for thread to unlock mutex with m_pRPC_Thread_Condition->Wait()
mutexErr = m_pRPC_Thread_Mutex->Lock(); // Blocks until thread unlocks the mutex
wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
// Make sure activation is an atomic operation
request.isActive = false;
current_rpc_request = request;
current_rpc_request.isActive = true;
m_pRPC_Thread_Condition->Signal(); // Unblock the thread
// m_pRPC_Thread_Condition->Wait() will Lock() the mutex upon receiving Signal(),
// causing it to block again if we still have our lock on the mutex.
mutexErr = m_pRPC_Thread_Mutex->Unlock();
wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
}
// If this is a user-initiated event wait for completion but show
// a dialog allowing the user to cancel.
if (request.rpcType == RPC_TYPE_WAIT_FOR_COMPLETION) {
// TODO: proper handling if a second user request is received while first is pending ??
if (m_bWaitingForRPC) {
wxLogMessage(wxT("Second user RPC request while another was pending"));
wxASSERT(false);
return -1;
}
// Don't show dialog if RPC completes before RPC_WAIT_DLG_DELAY
// or while BOINC is minimized
CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
wxStopWatch Dlgdelay = wxStopWatch();
m_RPCWaitDlg = new AsyncRPCDlg();
m_bWaitingForRPC = true;
// Allow RPC_WAIT_DLG_DELAY seconds for Demand RPC to complete before
// displaying "Please Wait" dialog, but keep checking for completion.
delayTimeRemaining = RPC_WAIT_DLG_DELAY;
while (true) {
if (delayTimeRemaining >= 0) { // Prevent overflow if minimized for a very long time
delayTimeRemaining = RPC_WAIT_DLG_DELAY - Dlgdelay.Time();
}
if (pFrame) {
shown = pFrame->IsShown();
} else {
shown = false;
}
if (shown) {
if (delayTimeRemaining <= 0) break; // Display the Please Wait dialog
timeToSleep = delayTimeRemaining;
} else {
// Don't show dialog while Manager is minimized, but do
// process events so user can maximize the manager.
//
// NOTE: CBOINCGUIApp::FilterEvent() discards those events
// which might cause posting of more RPC requests while
// we are in this loop, to prevent undesirable recursion.
// Since the manager is minimized, we don't have to worry about
// discarding crucial drawing or command events.
// The filter does allow the the Open Manager menu item from
// the system tray icon and wxEVT_RPC_FINISHED event.
//
timeToSleep = DELAY_WHEN_MINIMIZED; // Allow user to maximize Manager
wxSafeYield(NULL, true);
}
// OnRPCComplete() clears m_bWaitingForRPC if RPC completed
if (! m_bWaitingForRPC) {
return retval;
}
mutexErr = m_pRPC_Request_Mutex->Lock();
wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
// Simulate handling of CRPCFinishedEvent but don't allow any other
// events (so no user activity) to prevent undesirable recursion.
// Since we don't need to filter and discard events, they remain on
// the queue until it is safe to process them.
// Allow RPC thread to run while we wait for it.
if (!current_rpc_request.isActive) {
mutexErr = m_pRPC_Request_Mutex->Unlock();
wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
HandleCompletedRPC();
continue;
}
// Wait for RPC thread to wake us
// This does the following:
// (1) Unlocks the Mutex and puts the main thread to sleep as an atomic operation.
// (2) On Signal from RPC thread: locks Mutex again and wakes the main thread.
m_pRPC_Request_Condition->WaitTimeout(timeToSleep);
mutexErr = m_pRPC_Request_Mutex->Unlock();
wxASSERT(mutexErr == wxMUTEX_NO_ERROR);
}
// Demand RPC has taken longer than RPC_WAIT_DLG_DELAY seconds and
// Manager is not minimized, so display the "Please Wait" dialog
// with a Cancel button. If the RPC does complete while the dialog
// is up, HandleCompletedRPC() will call EndModal with wxID_OK.
//
// NOTE: the Modal dialog permits processing of all events, but
// CBOINCGUIApp::FilterEvent() blocks those events which might cause
// posting of more RPC requests while in this dialog, to prevent
// undesirable recursion.
//
if (m_RPCWaitDlg) {
response = m_RPCWaitDlg->ShowModal();
// Remember time the dialog was closed for use by RunPeriodicRPCs()
m_dtLasAsyncRPCDlgTime = wxDateTime::Now();
if (response != wxID_OK) {
// TODO: If user presses Cancel in Please Wait dialog but request
// has not yet been started, should we just remove it from queue?
// If we make that change, should we also add a separate menu item
// to reset the RPC connection (or does one already exist)?
retval = -1;
// If the RPC continues to get data after we return to
// our caller, it may try to write into a buffer or struct
// which the caller has already deleted. To prevent this,
// we close the socket (disconnect) and kill the RPC thread.
// This is ugly but necessary. We must then reconnect and
// start a new RPC thread.
if (current_rpc_request.isActive) {
current_rpc_request.isActive = false;
rpcClient.close();
RPC_requests.clear();
current_rpc_request.clear();
m_bNeedRefresh = false;
m_bNeedTaskBarRefresh = false;
// We will be reconnected to the same client (if possible) by
// CBOINCDialUpManager::OnPoll() and CNetworkConnection::Poll().
m_pNetworkConnection->SetStateDisconnected();
}
if (response == wxID_EXIT) {
pFrame = wxGetApp().GetFrame();
wxCommandEvent evt(wxEVT_COMMAND_MENU_SELECTED, wxID_EXIT);
s_bSkipExitConfirmation = true;
pFrame->AddPendingEvent(evt);
}
}
if (m_RPCWaitDlg) {
m_RPCWaitDlg->Destroy();
}
m_RPCWaitDlg = NULL;
m_bWaitingForRPC = false;
}
}
return retval;
}
void CBOINCDialUpManager::OnPoll() {
CMainDocument* pDoc = wxGetApp().GetDocument();
CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
static bool bAlreadyRunningLoop = false;
bool bIsOnline = false;
bool bWantConnection = false;
bool bWantDisconnect = false;
wxString strDialogMessage = wxEmptyString;
CC_STATUS cc_status;
// We are ready to rock and roll.
if (!bAlreadyRunningLoop && pDoc) {
wxASSERT(wxDynamicCast(pDoc, CMainDocument));
wxASSERT(wxDynamicCast(pFrame, CBOINCBaseFrame));
bAlreadyRunningLoop = true;
// cache the various states
// The dialup manager tells us if we are still dialing or if we have
// successfully connected. IsNetworkAlive/IsOnline both report the
// success or failure of the dialup device to establish a connection
// to the outside world.
pDoc->GetCoreClientStatus(cc_status);
bIsOnline = (cc_status.network_status == NETWORK_STATUS_ONLINE);
bWantConnection = (cc_status.network_status == NETWORK_STATUS_WANT_CONNECTION);
bWantDisconnect = (cc_status.network_status == NETWORK_STATUS_WANT_DISCONNECT);
// The timers are used to keep from spamming the user with the same
// messages over each iteration of the poll loop. we only need to
// reset them during a connect event in case we randomly loose
// a connection.
if (m_bResetTimers) {
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Resetting dial-up notification timers"));
m_bResetTimers = false;
m_bSetConnectionTimer = false;
ResetReminderTimers();
}
// Log out the trace information for debugging purposes.
/*
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Dialup Flags"));
wxLogTrace(wxT("Function Status"),
wxT("CBOINCDialUpManager::poll - -- bIsOnline = '%d', bIsDialing = '%d', m_bWasDialing = '%d', iNetworkStatus = '%d', bWantConnection = '%d'"),
bIsOnline, bIsDialing, m_bWasDialing, iNetworkStatus, bWantConnection
);
wxLogTrace(wxT("Function Status"),
wxT("CBOINCDialUpManager::poll - -- m_bResetTimers = '%d', m_bNotifyConnectionAvailable = '%d', m_bConnectedSuccessfully = '%d'"),
m_bResetTimers, m_bNotifyConnectionAvailable, m_bConnectedSuccessfully
);
wxLogTrace(wxT("Function Status"),
wxT("CBOINCDialUpManager::poll - -- confirm_before_connecting = '%d', hangup_if_dialed = '%d'"),
pDoc->state.global_prefs.confirm_before_connecting, pDoc->state.global_prefs.hangup_if_dialed
);
*/
#ifndef __WXMSW__ // notification logic for non MS-Windows systems
if (!bIsOnline && bWantConnection) {
// Make sure window is visable and active, don't want the message box
// to pop up on top of anything else
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - Notify need Internet Connection"));
if (pFrame->IsShown() && wxGetApp().IsActive()) {
NotifyUserNeedConnection(false);
}
/*
// this section commented out until taskbar/systray notification alerts are implemented
else {
// window is not visible, show alert
if (pTaskbar && pTaskbar->IsBalloonsSupported()) {
NotifyUserNeedConnection(true);
}
}
*/
}
#else // dialer stuff for MS-Windows systems
bool bIsDialing = m_pDialupManager->IsDialing();
if (!bIsOnline && !bIsDialing && !m_bWasDialing && bWantConnection) {
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - !bIsOnline && !bIsDialing && !m_bWasDialing && bWantConnection"));
if (!pFrame->IsShown()) {
// BOINC Manager is hidden and displaying a dialog might interupt what they
// are doing.
NotifyUserNeedConnection(true);
} else {
// BOINC Manager is visable and can process user input.
m_bSetConnectionTimer = true;
Connect();
}
} else if (!bIsDialing && !m_bWasDialing) {
// We are not doing anything now, were we up to something before?
if (bIsOnline && m_bConnectedSuccessfully && m_bNotifyConnectionAvailable) {
// Ah ha, we are online and we initiated the connection, so we need to
// notify the CC that the network is available.
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - bIsOnline && m_bConnectedSuccessfully && m_bNotifyConnectionAvailable"));
NetworkAvailable();
} else if (bWantDisconnect && m_bConnectedSuccessfully) {
// We are online, and the CC says it is safe to disconnect. Since we
// initiated the connection we need to disconnect now.
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - bWantDisconnect && m_bConnectedSuccessfully"));
Disconnect();
}
} else if (!bIsDialing && m_bWasDialing) {
// We initiated a connection attempt and now we are either online or failed to
// connect because of a modem error or a users credentials were wrong.
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - !bIsDialing && m_bWasDialing"));
if (m_bSetConnectionTimer) {
m_bSetConnectionTimer = false;
m_dtDialupConnectionTimeout = wxDateTime::Now();
m_iConnectAttemptRetVal = ERR_NO_NETWORK_CONNECTION;
}
wxTimeSpan tsTimeout = wxDateTime::Now() - m_dtDialupConnectionTimeout;
if (30 > tsTimeout.GetSeconds()) {
if(m_iConnectAttemptRetVal != BOINC_SUCCESS) {
return;
}
}
m_bWasDialing = false;
m_bResetTimers = true;
if (!m_iConnectAttemptRetVal) {
ConnectionSucceeded();
} else {
ConnectionFailed();
}
} else if (bIsDialing && !m_bWasDialing) {
// Setup the state machine so that it knows when we have finished the connection
// attempt.
wxLogTrace(wxT("Function Status"), wxT("CBOINCDialUpManager::poll - bIsDialing && !m_bWasDialing"));
m_bWasDialing = true;
}
#endif
bAlreadyRunningLoop = false;
}
}
