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// Copyright (C) 2011 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <dns/message.h>
#include <dns/opcode.h>
#include <dns/rdata.h>
#include <dns/rcode.h>
#include <dns/rrset.h>
#include <dns/rrttl.h>
#include <gtest/gtest.h>
#include <testutils/dnsmessage_test.h>
#include <boost/bind.hpp>
#include <string>
#include <sstream>
using namespace std;
using namespace isc::dns;
namespace isc {
namespace testutils {
const unsigned int QR_FLAG = 0x1;
const unsigned int AA_FLAG = 0x2;
const unsigned int TC_FLAG = 0x4;
const unsigned int RD_FLAG = 0x8;
const unsigned int RA_FLAG = 0x10;
const unsigned int AD_FLAG = 0x20;
const unsigned int CD_FLAG = 0x40;
void
headerCheck(const Message& message, const qid_t qid, const Rcode& rcode,
const uint16_t opcodeval, const unsigned int flags,
const unsigned int qdcount,
const unsigned int ancount, const unsigned int nscount,
const unsigned int arcount)
{
EXPECT_EQ(qid, message.getQid());
EXPECT_EQ(rcode, message.getRcode());
EXPECT_EQ(opcodeval, message.getOpcode().getCode());
EXPECT_EQ((flags & QR_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_QR));
EXPECT_EQ((flags & AA_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_AA));
EXPECT_EQ((flags & TC_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_TC));
EXPECT_EQ((flags & RA_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_RA));
EXPECT_EQ((flags & RD_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_RD));
EXPECT_EQ((flags & AD_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_AD));
EXPECT_EQ((flags & CD_FLAG) != 0,
message.getHeaderFlag(Message::HEADERFLAG_CD));
EXPECT_EQ(qdcount, message.getRRCount(Message::SECTION_QUESTION));
EXPECT_EQ(ancount, message.getRRCount(Message::SECTION_ANSWER));
EXPECT_EQ(nscount, message.getRRCount(Message::SECTION_AUTHORITY));
EXPECT_EQ(arcount, message.getRRCount(Message::SECTION_ADDITIONAL));
}
namespace {
::testing::AssertionResult
matchRdata(const char*, const char*,
const rdata::Rdata& expected, const rdata::Rdata& actual)
{
if (expected.compare(actual) != 0) {
::testing::Message msg;
msg << "Two RDATAs are expected to be equal but not:\n"
<< " Actual: " << actual.toText() << "\n"
<< "Expected: " << expected.toText();
return (::testing::AssertionFailure(msg));
}
return (::testing::AssertionSuccess());
}
// A helper callback of masterLoad() used by textToRRset() below.
void
setRRset(RRsetPtr rrset, RRsetPtr* rrsetp) {
if (*rrsetp) {
// may be a sig
if (rrset->getType() == RRType::RRSIG()) {
(*rrsetp)->addRRsig(rrset);
} else {
isc_throw(isc::Unexpected,
"multiple RRsets are given to textToRRset");
}
} else {
*rrsetp = rrset;
}
}
}
RRsetPtr
textToRRset(const string& text_rrset, const RRClass& rrclass,
const Name& origin)
{
stringstream ss(text_rrset);
RRsetPtr rrset;
masterLoad(ss, origin, rrclass, boost::bind(setRRset, _1, &rrset));
return (rrset);
}
void
rrsetCheck(isc::dns::ConstRRsetPtr expected_rrset,
isc::dns::ConstRRsetPtr actual_rrset)
{
SCOPED_TRACE("Comparing RRsets\n"
" Actual: " + actual_rrset->toText() +
" Expected: " + expected_rrset->toText());
EXPECT_EQ(expected_rrset->getName(), actual_rrset->getName());
EXPECT_EQ(expected_rrset->getClass(), actual_rrset->getClass());
EXPECT_EQ(expected_rrset->getType(), actual_rrset->getType());
EXPECT_EQ(expected_rrset->getTTL(), actual_rrset->getTTL());
isc::dns::RdataIteratorPtr rdata_it = actual_rrset->getRdataIterator();
isc::dns::RdataIteratorPtr expected_rdata_it =
expected_rrset->getRdataIterator();
while (!expected_rdata_it->isLast()) {
EXPECT_FALSE(rdata_it->isLast());
if (rdata_it->isLast()) {
// buggy case, should stop here
break;
}
EXPECT_PRED_FORMAT2(matchRdata, expected_rdata_it->getCurrent(),
rdata_it->getCurrent());
expected_rdata_it->next();
rdata_it->next();
}
// Make sure we have examined all sets of rrset RDATA
EXPECT_TRUE(rdata_it->isLast());
}
} // end of namespace testutils
} // end of namespace isc
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