// Copyright (C) 2011 Fog Creek Software
// Copyright (C) 2009 Adrian Buehlmann
//
// 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.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdafx.h"
#include "THgStatus.h"
CString GetPipeName()
{
DWORD dwSize = 260;
char szBuf[260];
if (!::GetUserName(szBuf, &dwSize)) return "";
CString strRes = "\\\\.\\pipe\\TortoiseHgRpcServer-bc0c27107423-";
strRes += szBuf;
return strRes;
}
int CTHgStatus::SendRequest(const CString& strRequest)
{
static const CString strPipeName = GetPipeName();
if (strPipeName.IsEmpty()) return 0;
BOOL fSuccess;
DWORD cbRead;
ATLTRACE("CTHgStatus::SendRequest: sending '%s' to %s\n",
(LPCTSTR)strRequest, (LPCTSTR)strPipeName);
fSuccess = ::CallNamedPipe(strPipeName, (void*)(LPCTSTR)strRequest,
strRequest.GetLength(), 0, 0, &cbRead, NMPWAIT_NOWAIT);
DWORD dwErr = ::GetLastError();
if (fSuccess || dwErr == ERROR_MORE_DATA || dwErr == ERROR_PIPE_NOT_CONNECTED)
{
return 0;
}
else if (dwErr == ERROR_PIPE_BUSY)
{
ATLTRACE("CTHgStatus::SendRequest: CallNamedPipe failed (ERROR_PIPE_BUSY)\n");
return -1;
}
else
{
ATLTRACE("CTHgStatus::SendRequest: CallNamedPipe failed (%d)\n", dwErr);
return -1;
}
}
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