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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
/**
* \file jrec.cpp
*
* Qpid asynchronous store plugin library
*
* File containing source code for class mrg::journal::jrec (abstract journal
* jrecord). See comments in file jrec.h for details.
*
* \author Kim van der Riet
*/
#include "qpid/legacystore/jrnl/jrec.h"
#include <iomanip>
#include "qpid/legacystore/jrnl/jerrno.h"
#include "qpid/legacystore/jrnl/jexception.h"
#include <sstream>
namespace mrg
{
namespace journal
{
jrec::jrec() {}
jrec::~jrec() {}
void
jrec::chk_hdr(const rec_hdr& hdr)
{
if (hdr._magic == 0)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "enq magic NULL: rid=0x" << hdr._rid;
throw jexception(jerrno::JERR_JREC_BADRECHDR, oss.str(), "jrec", "chk_hdr");
}
if (hdr._version != RHM_JDAT_VERSION)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "version: rid=0x" << hdr._rid;
oss << ": expected=0x" << std::setw(2) << (int)RHM_JDAT_VERSION;
oss << " read=0x" << std::setw(2) << (int)hdr._version;
throw jexception(jerrno::JERR_JREC_BADRECHDR, oss.str(), "jrec", "chk_hdr");
}
#if defined (JRNL_LITTLE_ENDIAN)
u_int8_t endian_flag = RHM_LENDIAN_FLAG;
#else
u_int8_t endian_flag = RHM_BENDIAN_FLAG;
#endif
if (hdr._eflag != endian_flag)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "endian_flag: rid=" << hdr._rid;
oss << ": expected=0x" << std::setw(2) << (int)endian_flag;
oss << " read=0x" << std::setw(2) << (int)hdr._eflag;
throw jexception(jerrno::JERR_JREC_BADRECHDR, oss.str(), "jrec", "chk_hdr");
}
}
void
jrec::chk_rid(const rec_hdr& hdr, const u_int64_t rid)
{
if (hdr._rid != rid)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "rid mismatch: expected=0x" << rid;
oss << " read=0x" << hdr._rid;
throw jexception(jerrno::JERR_JREC_BADRECHDR, oss.str(), "jrec", "chk_hdr");
}
}
void
jrec::chk_tail(const rec_tail& tail, const rec_hdr& hdr)
{
if (tail._xmagic != ~hdr._magic)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "magic: rid=0x" << hdr._rid;
oss << ": expected=0x" << ~hdr._magic;
oss << " read=0x" << tail._xmagic;
throw jexception(jerrno::JERR_JREC_BADRECTAIL, oss.str(), "jrec", "chk_tail");
}
if (tail._rid != hdr._rid)
{
std::ostringstream oss;
oss << std::hex << std::setfill('0');
oss << "rid: rid=0x" << hdr._rid;
oss << ": read=0x" << tail._rid;
throw jexception(jerrno::JERR_JREC_BADRECTAIL, oss.str(), "jrec", "chk_tail");
}
}
} // namespace journal
} // namespace mrg
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