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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2008 by Eran Ifrah
// file name : worker_thread.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "asyncprocess.h"
#include "processreaderthread.h"
wxDEFINE_EVENT(wxEVT_ASYNC_PROCESS_OUTPUT, clProcessEvent);
wxDEFINE_EVENT(wxEVT_ASYNC_PROCESS_STDERR, clProcessEvent);
wxDEFINE_EVENT(wxEVT_ASYNC_PROCESS_TERMINATED, clProcessEvent);
#if defined(__WXGTK__) || defined(__WXMAC__)
#include <sys/wait.h>
#endif
ProcessReaderThread::ProcessReaderThread()
: wxThread(wxTHREAD_JOINABLE)
, m_notifiedWindow(NULL)
, m_process(NULL)
{
}
ProcessReaderThread::~ProcessReaderThread() { m_notifiedWindow = NULL; }
void* ProcessReaderThread::Entry()
{
while(true) {
// Did we get a request to terminate?
if(TestDestroy()) { break; }
if(m_process) {
wxString buff;
wxString buffErr;
if(m_process->IsRedirect()) {
if(m_process->Read(buff, buffErr)) {
if(!buff.IsEmpty() || !buffErr.IsEmpty()) {
// If we got a callback object, use it
if(m_process && m_process->GetCallback()) {
m_process->GetCallback()->CallAfter(&IProcessCallback::OnProcessOutput, buff);
} else {
// We fire an event per data (stderr/stdout)
if(!buff.IsEmpty()) {
// fallback to the event system
// we got some data, send event to parent
clProcessEvent e(wxEVT_ASYNC_PROCESS_OUTPUT);
e.SetOutput(buff);
e.SetProcess(m_process);
if(m_notifiedWindow) { m_notifiedWindow->AddPendingEvent(e); }
}
if(!buffErr.IsEmpty()) {
// we got some data, send event to parent
clProcessEvent e(wxEVT_ASYNC_PROCESS_STDERR);
e.SetOutput(buffErr);
e.SetProcess(m_process);
if(m_notifiedWindow) { m_notifiedWindow->AddPendingEvent(e); }
}
}
}
} else {
// Process terminated, exit
// If we got a callback object, use it
NotifyTerminated();
break;
}
} else {
// Check if the process is alive
if(!m_process->IsAlive()) {
// Notify about termination
NotifyTerminated();
break;
} else {
wxThread::Sleep(10);
}
}
} else {
// No process??
break;
}
}
m_process = NULL;
return NULL;
}
void ProcessReaderThread::Stop()
{
// Notify the thread to exit and
// wait for it
if(IsAlive()) {
Delete(NULL, wxTHREAD_WAIT_BLOCK);
} else {
Wait(wxTHREAD_WAIT_BLOCK);
}
}
void ProcessReaderThread::Start(int priority)
{
Create();
SetPriority(priority);
Run();
}
void ProcessReaderThread::NotifyTerminated()
{
// Process terminated, exit
// If we got a callback object, use it
if(m_process && m_process->GetCallback()) {
m_process->GetCallback()->CallAfter(&IProcessCallback::OnProcessTerminated);
} else {
// fallback to the event system
clProcessEvent e(wxEVT_ASYNC_PROCESS_TERMINATED);
e.SetProcess(m_process);
if(m_notifiedWindow) { m_notifiedWindow->AddPendingEvent(e); }
}
}
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