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mariadb-columnstore-engine/storage-manager/src/CopyTask.cpp
2025-02-21 20:01:34 +04:00

89 lines
2.1 KiB
C++

/* Copyright (C) 2019 MariaDB Corporation
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; version 2 of
the License.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "CopyTask.h"
#include <errno.h>
#include "SMLogging.h"
#include "messageFormat.h"
using namespace std;
namespace storagemanager
{
CopyTask::CopyTask(int sock, uint len) : PosixTask(sock, len)
{
}
CopyTask::~CopyTask()
{
}
#define check_error(msg, ret) \
if (success < 0) \
{ \
handleError(msg, errno); \
return ret; \
}
bool CopyTask::run()
{
int success;
SMLogging* logger = SMLogging::get();
uint8_t buf[2048] = {0};
if (getLength() > 2047)
{
handleError("CopyTask read", ENAMETOOLONG);
return true;
}
success = read(buf, getLength());
check_error("CopyTask read", false);
auto* cmd = (copy_cmd*)buf;
string filename1(cmd->file1.filename,
cmd->file1.flen); // need to copy this in case it's not null terminated
auto* filename2 = (f_name*)&buf[sizeof(copy_cmd) + cmd->file1.flen];
#ifdef SM_TRACE
logger->log(LOG_DEBUG, "copy %s to %s.", filename1.c_str(), filename2->filename);
#endif
int err;
try
{
err = ioc->copyFile(filename1.c_str(), filename2->filename);
}
catch (exception& e)
{
logger->log(LOG_ERR, "CopyTask: caught %s", e.what());
err = -1;
errno = EIO;
}
if (err)
{
handleError("CopyTask copy", errno);
return true;
}
auto* resp = (sm_response*)buf;
resp->returnCode = 0;
return write(*resp, 0);
}
} // namespace storagemanager