void CMainDocument::HandleCompletedRPC() {
int retval = 0;
wxMutexError mutexErr = wxMUTEX_NO_ERROR;
int i, n, requestIndex = -1;
bool stillWaitingForPendingRequests = false;
if (!m_RPCThread) return;
if (current_rpc_request.isActive) return;
// We can get here either via a CRPCFinishedEvent event posted
// by the RPC thread or by a call from RequestRPC. If we were
// called from RequestRPC, the CRPCFinishedEvent will still be
// on the event queue, so we get called twice. Check for this here.
if (current_rpc_request.which_rpc == 0) return; // already handled by a call from RequestRPC
// Find our completed request in the queue
n = (int) RPC_requests.size();
for (i=0; i<n; ++i) {
if (RPC_requests[i].isSameAs(current_rpc_request)) {
requestIndex = i;
} else {
if (RPC_requests[i].rpcType == RPC_TYPE_WAIT_FOR_COMPLETION) {
stillWaitingForPendingRequests = true;
}
}
}
if (! stillWaitingForPendingRequests) {
if (m_RPCWaitDlg) {
if (m_RPCWaitDlg->IsShown()) {
m_RPCWaitDlg->EndModal(wxID_OK);
}
m_RPCWaitDlg->Destroy();
m_RPCWaitDlg = NULL;
}
m_bWaitingForRPC = false;
}
if (requestIndex >= 0) {
// Remove completed request from the queue
RPC_requests.erase(RPC_requests.begin()+requestIndex);
}
retval = current_rpc_request.retval;
if (current_rpc_request.completionTime) {
*(current_rpc_request.completionTime) = wxDateTime::Now();
}
if (current_rpc_request.resultPtr) {
*(current_rpc_request.resultPtr) = retval;
}
// Post-processing
if (! retval) {
if (current_rpc_request.rpcType == RPC_TYPE_ASYNC_WITH_REFRESH_AFTER) {
if (!retval) {
m_bNeedRefresh = true;
}
}
if (current_rpc_request.rpcType == RPC_TYPE_ASYNC_WITH_UPDATE_TASKBAR_ICON_AFTER) {
if (!retval) {
m_bNeedTaskBarRefresh = true;
}
}
switch (current_rpc_request.which_rpc) {
case RPC_GET_STATE:
if (current_rpc_request.exchangeBuf && !retval) {
CC_STATE* arg1 = (CC_STATE*)current_rpc_request.arg1;
CC_STATE* exchangeBuf = (CC_STATE*)current_rpc_request.exchangeBuf;
arg1->projects.swap(exchangeBuf->projects);
arg1->apps.swap(exchangeBuf->apps);
arg1->app_versions.swap(exchangeBuf->app_versions);
arg1->wus.swap(exchangeBuf->wus);
arg1->results.swap(exchangeBuf->results);
exchangeBuf->global_prefs = arg1->global_prefs;
exchangeBuf->version_info = arg1->version_info;
exchangeBuf->executing_as_daemon = arg1->executing_as_daemon;
exchangeBuf->have_cuda = arg1->have_cuda;
exchangeBuf->have_ati = arg1->have_ati;
}
break;
case RPC_GET_RESULTS:
if (current_rpc_request.exchangeBuf && !retval) {
RESULTS* arg1 = (RESULTS*)current_rpc_request.arg1;
RESULTS* exchangeBuf = (RESULTS*)current_rpc_request.exchangeBuf;
arg1->results.swap(exchangeBuf->results);
}
break;
case RPC_GET_FILE_TRANSFERS:
if (current_rpc_request.exchangeBuf && !retval) {
FILE_TRANSFERS* arg1 = (FILE_TRANSFERS*)current_rpc_request.arg1;
FILE_TRANSFERS* exchangeBuf = (FILE_TRANSFERS*)current_rpc_request.exchangeBuf;
arg1->file_transfers.swap(exchangeBuf->file_transfers);
}
break;
case RPC_GET_SIMPLE_GUI_INFO2:
if (!retval) {
retval = CopyProjectsToStateBuffer(*(PROJECTS*)(current_rpc_request.arg1), *(CC_STATE*)(current_rpc_request.arg2));
}
if (current_rpc_request.exchangeBuf && !retval) {
RESULTS* arg3 = (RESULTS*)current_rpc_request.arg3;
RESULTS* exchangeBuf = (RESULTS*)current_rpc_request.exchangeBuf;
arg3->results.swap(exchangeBuf->results);
}
break;
case RPC_GET_PROJECT_STATUS1:
if (!retval) {
retval = CopyProjectsToStateBuffer(*(PROJECTS*)(current_rpc_request.arg1), *(CC_STATE*)(current_rpc_request.arg2));
}
break;
case RPC_GET_ALL_PROJECTS_LIST:
if (current_rpc_request.exchangeBuf && !retval) {
ALL_PROJECTS_LIST* arg1 = (ALL_PROJECTS_LIST*)current_rpc_request.arg1;
ALL_PROJECTS_LIST* exchangeBuf = (ALL_PROJECTS_LIST*)current_rpc_request.exchangeBuf;
arg1->projects.swap(exchangeBuf->projects);
}
break;
case RPC_GET_DISK_USAGE:
if (current_rpc_request.exchangeBuf && !retval) {
DISK_USAGE* arg1 = (DISK_USAGE*)current_rpc_request.arg1;
DISK_USAGE* exchangeBuf = (DISK_USAGE*)current_rpc_request.exchangeBuf;
arg1->projects.swap(exchangeBuf->projects);
exchangeBuf->d_total = arg1->d_total;
exchangeBuf->d_free = arg1->d_free;
exchangeBuf->d_boinc = arg1->d_boinc;
exchangeBuf->d_allowed = arg1->d_allowed;
}
break;
case RPC_GET_NOTICES:
if (current_rpc_request.exchangeBuf && !retval) {
NOTICES* arg2 = (NOTICES*)current_rpc_request.arg2;
NOTICES* exchangeBuf = (NOTICES*)current_rpc_request.exchangeBuf;
arg2->notices.swap(exchangeBuf->notices);
}
if (!retval) {
CachedNoticeUpdate(); // Call this only when notice buffer is stable
}
break;
case RPC_GET_MESSAGES:
if (current_rpc_request.exchangeBuf && !retval) {
MESSAGES* arg2 = (MESSAGES*)current_rpc_request.arg2;
MESSAGES* exchangeBuf = (MESSAGES*)current_rpc_request.exchangeBuf;
arg2->messages.swap(exchangeBuf->messages);
}
if (!retval) {
CachedMessageUpdate(); // Call this only when message buffer is stable
}
break;
case RPC_GET_HOST_INFO:
if (current_rpc_request.exchangeBuf && !retval) {
HOST_INFO* arg1 = (HOST_INFO*)current_rpc_request.arg1;
HOST_INFO* exchangeBuf = (HOST_INFO*)current_rpc_request.exchangeBuf;
*exchangeBuf = *arg1;
}
break;
case RPC_GET_STATISTICS:
if (current_rpc_request.exchangeBuf && !retval) {
PROJECTS* arg1 = (PROJECTS*)current_rpc_request.arg1;
PROJECTS* exchangeBuf = (PROJECTS*)current_rpc_request.exchangeBuf;
arg1->projects.swap(exchangeBuf->projects);
}
break;
case RPC_GET_CC_STATUS:
if (current_rpc_request.exchangeBuf && !retval) {
CC_STATUS* arg1 = (CC_STATUS*)current_rpc_request.arg1;
CC_STATUS* exchangeBuf = (CC_STATUS*)current_rpc_request.exchangeBuf;
*exchangeBuf = *arg1;
}
break;
case RPC_ACCT_MGR_INFO:
if (current_rpc_request.exchangeBuf && !retval) {
ACCT_MGR_INFO* arg1 = (ACCT_MGR_INFO*)current_rpc_request.arg1;
ACCT_MGR_INFO* exchangeBuf = (ACCT_MGR_INFO*)current_rpc_request.exchangeBuf;
*exchangeBuf = *arg1;
}
break;
default:
// We don't support double buffering for other RPC calls
wxASSERT(current_rpc_request.exchangeBuf == NULL);
break;
}
}
if (current_rpc_request.resultPtr) {
// In case post-processing changed retval
*(current_rpc_request.resultPtr) = retval;
}
// We must call ProcessEvent() rather than AddPendingEvent() here to
// guarantee integrity of data when other events are handled (such as
// Abort, Suspend/Resume, Show Graphics, Update, Detach, Reset, No
// New Work, etc.) Otherwise, if one of those events is pending it
// might be processed first, and the data in the selected rows may not
// match the data which the user selected if any rows were added or
// deleted due to the RPC.
// The refresh event called here adjusts the selections to fix any
// such mismatch before other pending events are processed.
//
// However, the refresh code may itself request a Demand RPC, which
// would cause undesirable recursion if we are already waiting for
// another Demand RPC to complete. In that case, we defer the refresh
// until all pending Demand RPCs have been done.
//
if (m_bNeedRefresh && !m_bWaitingForRPC) {
m_bNeedRefresh = false;
// We must get the frame immediately before using it,
// since it may have been changed by SetActiveGUI().
CBOINCBaseFrame* pFrame = wxGetApp().GetFrame();
if (pFrame) {
CFrameEvent event(wxEVT_FRAME_REFRESHVIEW, pFrame);
pFrame->ProcessEvent(event);
}
}
if (m_bNeedTaskBarRefresh && !m_bWaitingForRPC) {
m_bNeedTaskBarRefresh = false;
CTaskBarIcon* pTaskbar = wxGetApp().GetTaskBarIcon();
if (pTaskbar) {
CTaskbarEvent event(wxEVT_TASKBAR_REFRESH, pTaskbar);
pTaskbar->ProcessEvent(event);
}
}
if (current_rpc_request.rpcType == RPC_TYPE_ASYNC_WITH_REFRESH_EVENT_LOG_AFTER) {
CDlgEventLog* eventLog = wxGetApp().GetEventLog();
if (eventLog) {
eventLog->OnRefresh();
}
}
current_rpc_request.clear();
// Start the next RPC request.
// We can't start this until finished processing the previous RPC's
// event because the two requests may write into the same buffer.
if (RPC_requests.size() > 0) {
// 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
RPC_requests[0].isActive = false;
current_rpc_request = RPC_requests[0];
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);
}
}
