/*
* Copyright ( c ) 2020 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
#include <memory>
#include "WinApp.h"
#include "Log.h"
#include "SysInfo.h"
#include "FileUtils.h"
#include "ErrorHandling.h"
// MessageBox - Requires linking with user32
namespace {
class LastErrorGuiLogAppender : public LogAppender {
public :
virtual void append(const LogEvent& v) {
JP_TRY;
const std::wstring msg = (tstrings::any()
<< app::lastErrorMsg()).wstr();
MessageBox(0 , msg.c_str(),
FileUtils::basename(SysInfo::getProcessModulePath()).c_str(),
MB_ICONERROR | MB_OK);
JP_CATCH_ALL;
}
};
class Console {
public :
Console() {
if (!AttachConsole(ATTACH_PARENT_PROCESS)) {
// Failed to connect to parent's console. Create our own.
if (!AllocConsole()) {
// We already have a console, no need to redirect std I/O.
return ;
}
}
stdoutChannel = std::unique_ptr<Channel>(new Channel(stdout));
stderrChannel = std::unique_ptr<Channel>(new Channel(stderr));
}
struct FileCloser {
typedef FILE* pointer;
void operator ()(pointer h) {
::fclose(h);
}
};
typedef std::unique_ptr<
FileCloser::pointer,
FileCloser
> UniqueFILEHandle;
private :
class Channel {
public :
Channel(FILE* stdFILEHandle): stdFILEHandle(stdFILEHandle) {
const char * stdFileName = "CONOUT$" ;
const char * openMode = "w" ;
if (stdFILEHandle == stdin) {
stdFileName = "CONIN$" ;
openMode = "r" ;
}
FILE* fp = 0 ;
freopen_s(&fp, stdFileName, openMode, stdFILEHandle);
fileHandle = UniqueFILEHandle(fp);
std::ios_base::sync_with_stdio();
}
virtual ~Channel() {
JP_TRY;
FILE* fp = 0 ;
fileHandle = UniqueFILEHandle(fp);
std::ios_base::sync_with_stdio();
JP_CATCH_ALL;
}
private :
UniqueFILEHandle fileHandle;
FILE *stdFILEHandle;
};
std::unique_ptr<Channel> stdoutChannel;
std::unique_ptr<Channel> stderrChannel;
};
} // namespace
namespace app {
int wlaunch(const std::nothrow_t&, LauncherFunc func) {
std::unique_ptr<Console> console;
JP_TRY;
if (app::isWithLogging()) {
console = std::unique_ptr<Console>(new Console());
}
JP_CATCH_ALL;
LastErrorGuiLogAppender lastErrorLogAppender;
TeeLogAppender logAppender(&app::defaultLastErrorLogAppender(),
&lastErrorLogAppender);
return app::launch(std::nothrow, func, &logAppender);
}
} // namespace app
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