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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* 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.
*/
#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include "dnsdist-lua-network.hh"
BOOST_AUTO_TEST_SUITE(test_dnsdistluanetwork)
BOOST_AUTO_TEST_CASE(test_Basic)
{
dnsdist::NetworkListener listener;
bool received = false;
std::string payload = {'h', 'e', 'l', 'l', 'o'};
char socketPath[] = "/tmp/test_dnsdistluanetwork.XXXXXX";
int fd = mkstemp(socketPath);
BOOST_REQUIRE(fd >= 0);
listener.addUnixListeningEndpoint(socketPath, 0, [&received, payload](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
BOOST_CHECK_EQUAL(endpoint, 0U);
BOOST_CHECK(dgram == payload);
received = true;
});
dnsdist::NetworkEndpoint client(socketPath);
BOOST_CHECK(client.send(payload));
struct timeval now;
listener.runOnce(now, 1000);
BOOST_CHECK(received);
unlink(socketPath);
close(fd);
}
BOOST_AUTO_TEST_CASE(test_Exceptions)
{
std::string payload = {'h', 'e', 'l', 'l', 'o'};
char socketPath[] = "/tmp/test_dnsdistluanetwork.XXXXXX";
int fd = mkstemp(socketPath);
BOOST_REQUIRE(fd >= 0);
{
dnsdist::NetworkListener listener;
/* try running while empty */
struct timeval now;
BOOST_CHECK_THROW(listener.runOnce(now, 1000), std::runtime_error);
}
{
/* invalid path */
dnsdist::NetworkListener listener;
BOOST_CHECK_THROW(listener.addUnixListeningEndpoint(std::string(), 0,
[](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {}),
std::runtime_error);
bool caught = false;
try {
std::string empty;
dnsdist::NetworkEndpoint endpoint(empty);
}
catch (const std::runtime_error& e) {
caught = true;
}
BOOST_CHECK(caught);
}
{
dnsdist::NetworkListener listener;
bool received = false;
listener.addUnixListeningEndpoint(socketPath, 0, [&received](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
received = true;
});
dnsdist::NetworkEndpoint client(socketPath);
BOOST_CHECK(client.send(payload));
struct timeval now;
listener.runOnce(now, 1000);
BOOST_CHECK(received);
char otherSocketPath[] = "/tmp/test_dnsdistluanetworkOtherPath";
/* try binding when already running */
bool raised = false;
try {
listener.addUnixListeningEndpoint(otherSocketPath, 0,
[](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {});
}
catch (const std::runtime_error& e) {
raised = true;
BOOST_CHECK_EQUAL(e.what(), "NetworkListener should not be altered at runtime");
}
BOOST_CHECK(raised);
}
{
dnsdist::NetworkListener listener;
bool received = false;
listener.addUnixListeningEndpoint(socketPath, 0, [&received](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
received = true;
throw std::runtime_error("Test exception");
});
dnsdist::NetworkEndpoint client(socketPath);
BOOST_CHECK(client.send(payload));
struct timeval now;
listener.runOnce(now, 1000);
BOOST_CHECK(received);
}
{
class UnexpectedException
{
};
dnsdist::NetworkListener listener;
bool received = false;
listener.addUnixListeningEndpoint(socketPath, 0, [&received](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
received = true;
throw UnexpectedException();
});
dnsdist::NetworkEndpoint client(socketPath);
BOOST_CHECK(client.send(payload));
struct timeval now;
listener.runOnce(now, 1000);
BOOST_CHECK(received);
}
unlink(socketPath);
close(fd);
}
#ifdef __linux__
BOOST_AUTO_TEST_CASE(test_Abstract)
{
dnsdist::NetworkListener listener;
bool received = false;
std::string payload = {'h', 'e', 'l', 'l', 'o'};
std::string socketPath("test_dnsdistluanetwork");
socketPath.insert(0, 1, 0);
listener.addUnixListeningEndpoint(socketPath, 0, [&received, payload](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
BOOST_CHECK_EQUAL(endpoint, 0U);
BOOST_CHECK(dgram == payload);
received = true;
});
dnsdist::NetworkEndpoint client(socketPath);
BOOST_CHECK(client.send(payload));
struct timeval now;
listener.runOnce(now, 1000);
BOOST_CHECK(received);
}
BOOST_AUTO_TEST_CASE(test_Abstract_Exceptions)
{
dnsdist::NetworkListener listener;
std::string socketPath("test_dnsdistluanetwork");
socketPath.insert(0, 1, 0);
bool received = false;
listener.addUnixListeningEndpoint(socketPath, 0, [&received](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {
received = true;
});
/* try binding twice to the same path */
bool raised = false;
try {
listener.addUnixListeningEndpoint(socketPath, 0, [](dnsdist::NetworkListener::EndpointID endpoint, std::string&& dgram, const std::string& from) {});
}
catch (const std::runtime_error& e) {
raised = true;
BOOST_CHECK(boost::starts_with(e.what(), "Error binding Unix socket to path"));
}
BOOST_CHECK(raised);
{
/* try connecting to a non-existing path */
raised = false;
std::string nonExistingPath("test_dnsdistluanetwork_non_existing");
nonExistingPath.insert(0, 1, 0);
try {
dnsdist::NetworkEndpoint endpoint(nonExistingPath);
}
catch (const std::runtime_error& e) {
raised = true;
}
BOOST_CHECK(raised);
}
}
#endif /* __linux__ */
BOOST_AUTO_TEST_SUITE_END();
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