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91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
/* Copyright (C) 2019 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "StatTask.h"
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#include "messageFormat.h"
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#include "SMLogging.h"
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdint.h>
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#include <string.h>
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using namespace std;
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namespace storagemanager
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{
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StatTask::StatTask(int sock, uint len) : PosixTask(sock, len)
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{
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}
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StatTask::~StatTask()
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{
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}
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#define check_error(msg, ret) \
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if (success < 0) \
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{ \
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handleError(msg, errno); \
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return ret; \
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}
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bool StatTask::run()
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{
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SMLogging* logger = SMLogging::get();
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int success;
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uint8_t buf[1024] = {0};
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if (getLength() > 1023)
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{
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handleError("StatTask read", ENAMETOOLONG);
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return true;
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}
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success = read(buf, getLength());
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check_error("StatTask read", false);
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stat_cmd* cmd = (stat_cmd*)buf;
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sm_response* resp = (sm_response*)buf;
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#ifdef SM_TRACE
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logger->log(LOG_DEBUG, "stat %s.", cmd->filename);
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#endif
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int err;
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try
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{
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err = ioc->stat(cmd->filename, (struct stat*)resp->payload);
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}
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catch (exception& e)
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{
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logger->log(LOG_ERR, "StatTask: caught '%s'", e.what());
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errno = EIO;
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err = -1;
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}
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resp->returnCode = err;
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uint payloadLen;
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if (!err)
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payloadLen = sizeof(struct stat);
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else
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{
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payloadLen = 4;
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*((int32_t*)resp->payload) = errno;
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}
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return write(*resp, payloadLen);
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}
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} // namespace storagemanager
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