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165 | // Copyright (C) 2012-2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <asiolink/io_address.h>
#include <dhcpsrv/testutils/test_utils.h>
#include <testutils/gtest_utils.h>
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sys/stat.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sys/types.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <unistd.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace std;
using namespace isc::asiolink;
namespace isc {
namespace dhcp {
namespace test {
void
detailCompareLease(const Lease4Ptr& first, const Lease4Ptr& second) {
// Compare address strings. Comparison of address objects is not used, as
// odd things happen when they are different: the EXPECT_EQ macro appears to
// call the operator uint32_t() function, which causes an exception to be
// thrown for IPv6 addresses.
ASSERT_TRUE(first);
ASSERT_TRUE(second);
EXPECT_EQ(first->addr_, second->addr_);
// We need to compare the actual HWAddr objects, not pointers
EXPECT_TRUE(*first->hwaddr_ == *second->hwaddr_);
if (first->client_id_ && second->client_id_) {
EXPECT_TRUE(*first->client_id_ == *second->client_id_);
} else {
if (first->client_id_ && !second->client_id_) {
ADD_FAILURE() << "Client-id present in first lease ("
<< first->client_id_->getClientId().size()
<< " bytes), but missing in second.";
}
if (!first->client_id_ && second->client_id_) {
ADD_FAILURE() << "Client-id missing in first lease, but present in second ("
<< second->client_id_->getClientId().size()
<< " bytes).";
}
// else here would mean that both leases do not have client_id_
// which makes them equal in that regard. It is ok.
}
// Since the initial time values were set, one second could have ticked,
// so allow one second of margin error.
EXPECT_NEAR(first->valid_lft_, second->valid_lft_, 1);
EXPECT_NEAR(first->cltt_, second->cltt_, 1);
EXPECT_EQ(first->subnet_id_, second->subnet_id_);
EXPECT_EQ(first->pool_id_, second->pool_id_);
EXPECT_EQ(first->fqdn_fwd_, second->fqdn_fwd_);
EXPECT_EQ(first->fqdn_rev_, second->fqdn_rev_);
EXPECT_EQ(first->hostname_, second->hostname_);
if (first->getContext()) {
EXPECT_TRUE(second->getContext());
if (second->getContext()) {
EXPECT_EQ(first->getContext()->str(), second->getContext()->str());
}
} else {
EXPECT_FALSE(second->getContext());
}
}
void
detailCompareLease(const Lease6Ptr& first, const Lease6Ptr& second) {
ASSERT_TRUE(first);
ASSERT_TRUE(second);
EXPECT_EQ(first->type_, second->type_);
// Compare address strings. Comparison of address objects is not used, as
// odd things happen when they are different: the EXPECT_EQ macro appears to
// call the operator uint32_t() function, which causes an exception to be
// thrown for IPv6 addresses.
EXPECT_EQ(first->addr_, second->addr_);
EXPECT_EQ(first->prefixlen_, second->prefixlen_);
EXPECT_EQ(first->iaid_, second->iaid_);
ASSERT_TRUE(first->duid_);
ASSERT_TRUE(second->duid_);
EXPECT_TRUE(*first->duid_ == *second->duid_);
// Since the initial time values were set, one second could have ticked,
// so allow one second of margin error.
EXPECT_NEAR(first->preferred_lft_, second->preferred_lft_, 1);
EXPECT_NEAR(first->valid_lft_, second->valid_lft_, 1);
EXPECT_NEAR(first->cltt_, second->cltt_, 1);
EXPECT_EQ(first->subnet_id_, second->subnet_id_);
EXPECT_EQ(first->pool_id_, second->pool_id_);
EXPECT_EQ(first->fqdn_fwd_, second->fqdn_fwd_);
EXPECT_EQ(first->fqdn_rev_, second->fqdn_rev_);
EXPECT_EQ(first->hostname_, second->hostname_);
if (first->getContext()) {
EXPECT_TRUE(second->getContext());
if (second->getContext()) {
EXPECT_EQ(first->getContext()->str(), second->getContext()->str());
}
} else {
EXPECT_FALSE(second->getContext());
}
}
int findLastSocketFd() {
int max_fd_number = getdtablesize();
int last_socket = -1;
struct stat stats;
// Iterate over the open fds
for (int fd = 0; fd <= max_fd_number; fd++ ) {
errno = 0;
fstat(fd, &stats);
if (errno == EBADF ) {
// Skip any that aren't open
continue;
}
// it's a socket, remember it
if (S_ISSOCK(stats.st_mode)) {
last_socket = fd;
}
}
return (last_socket);
}
FillFdHoles::FillFdHoles(int limit) : fds_() {
if (limit <= 0) {
return;
}
for (;;) {
int fd = open("/dev/null", O_RDWR, 0);
if (fd == -1) {
return;
}
if (fd < limit) {
fds_.push_front(fd);
} else {
static_cast<void>(close(fd));
return;
}
}
}
FillFdHoles::~FillFdHoles() {
while (!fds_.empty()) {
static_cast<void>(close(fds_.back()));
fds_.pop_back();
}
}
} // namespace test
} // namespace dhcp
} // namespace isc
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