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test: add test for mock server and bind option

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This commit is contained in:
Nick Peng
2023-03-16 20:03:01 +08:00
parent 47f2f45c37
commit 455dca9ae4
7 changed files with 137 additions and 19 deletions
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3
src/fast_ping.c
View File

@@ -1894,6 +1894,7 @@ int fast_ping_init(void)
ping.ident = (getpid() & 0XFFFF);
atomic_set(&ping.run, 1);
ping.epoll_fd = epollfd;
ret = pthread_create(&ping.tid, &attr, _fast_ping_work, NULL);
if (ret != 0) {
tlog(TLOG_ERROR, "create ping work thread failed, %s\n", strerror(ret));
@@ -1906,7 +1907,6 @@ int fast_ping_init(void)
goto errout;
}
ping.epoll_fd = epollfd;
ret = _fast_ping_init_wakeup_event();
if (ret != 0) {
tlog(TLOG_ERROR, "init wakeup event failed, %s\n", strerror(errno));
@@ -1933,6 +1933,7 @@ errout:
if (epollfd > 0) {
close(epollfd);
ping.epoll_fd = -1;
}
if (ping.event_fd) {

43
test/cases/test-bind.cc
View File

@@ -35,15 +35,15 @@ cache-persist no)""");
TEST(Bind, udp_tcp)
{
smartdns::MockServer server_upstream;
smartdns::MockServer server_upstream;
smartdns::MockServer server_upstream2;
smartdns::Server server;
server_upstream.Start("udp://0.0.0.0:61053", [](struct smartdns::ServerRequestContext *request) {
unsigned char addr[4] = {1, 2, 3, 4};
unsigned char addr[4] = {1, 2, 3, 4};
dns_add_A(request->response_packet, DNS_RRS_AN, request->domain.c_str(), 611, addr);
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(
@@ -59,15 +59,46 @@ cache-persist no)""");
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 1);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_EQ(client.GetAnswer()[0].GetTTL(), 3);
EXPECT_EQ(client.GetAnswer()[0].GetTTL(), 3);
EXPECT_EQ(client.GetAnswer()[0].GetData(), "1.2.3.4");
ASSERT_TRUE(client.Query("a.com", 60053));
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 1);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_EQ(client.GetAnswer()[0].GetTTL(), 611);
EXPECT_EQ(client.GetAnswer()[0].GetTTL(), 611);
EXPECT_EQ(client.GetAnswer()[0].GetData(), "1.2.3.4");
}
TEST(Bind, self)
{
smartdns::MockServer server_upstream;
smartdns::Server server;
server_upstream.Start("udp://0.0.0.0:62053", [](struct smartdns::ServerRequestContext *request) {
if (request->qtype == DNS_T_A) {
smartdns::MockServer::AddIP(request, request->domain.c_str(), "1.2.3.4");
return smartdns::SERVER_REQUEST_OK;
}
return smartdns::SERVER_REQUEST_SOA;
});
server.Start(R"""(
bind [::]:60053 -group self
server 127.0.0.1:61053 -group self
bind [::]:61053 -group upstream
server 127.0.0.1:62053 -group upstream
log-num 0
log-console yes
log-level info
cache-persist no)""");
smartdns::Client client;
ASSERT_TRUE(client.Query("a.com", 60053));
std::cout << client.GetResult() << std::endl;
ASSERT_EQ(client.GetAnswerNum(), 1);
EXPECT_EQ(client.GetStatus(), "NOERROR");
EXPECT_LT(client.GetQueryTime(), 100);
EXPECT_EQ(client.GetAnswer()[0].GetTTL(), 3);
EXPECT_EQ(client.GetAnswer()[0].GetData(), "1.2.3.4");
}

6
test/cases/test-cname.cc
View File

@@ -12,7 +12,7 @@ TEST(server, cname)
server_upstream.Start("udp://0.0.0.0:61053", [](struct smartdns::ServerRequestContext *request) {
std::string domain = request->domain;
if (request->domain.length() == 0) {
return false;
return smartdns::SERVER_REQUEST_ERROR;
}
if (request->qtype == DNS_T_A) {
@@ -22,13 +22,13 @@ TEST(server, cname)
unsigned char addr[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
dns_add_AAAA(request->response_packet, DNS_RRS_AN, domain.c_str(), 61, addr);
} else {
return false;
return smartdns::SERVER_REQUEST_ERROR;
}
EXPECT_EQ(domain, "e.com");
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053

8
test/cases/test-discard-block-ip.cc
View File

@@ -14,7 +14,7 @@ TEST(DiscardBlockIP, first_ping)
unsigned char addr[4] = {0, 0, 0, 0};
dns_add_A(request->response_packet, DNS_RRS_AN, request->domain.c_str(), 611, addr);
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server_upstream2.Start("udp://0.0.0.0:62053", [](struct smartdns::ServerRequestContext *request) {
@@ -22,7 +22,7 @@ TEST(DiscardBlockIP, first_ping)
usleep(20000);
dns_add_A(request->response_packet, DNS_RRS_AN, request->domain.c_str(), 611, addr);
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053
@@ -51,7 +51,7 @@ TEST(DiscardBlockIP, first_response)
unsigned char addr[4] = {0, 0, 0, 0};
dns_add_A(request->response_packet, DNS_RRS_AN, request->domain.c_str(), 611, addr);
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server_upstream2.Start("udp://0.0.0.0:62053", [](struct smartdns::ServerRequestContext *request) {
@@ -59,7 +59,7 @@ TEST(DiscardBlockIP, first_response)
usleep(20000);
dns_add_A(request->response_packet, DNS_RRS_AN, request->domain.c_str(), 611, addr);
request->response_packet->head.rcode = DNS_RC_NOERROR;
return true;
return smartdns::SERVER_REQUEST_OK;
});
server.Start(R"""(bind [::]:60053

29
test/cases/test-mock-server.cc
View File

@@ -9,9 +9,36 @@ TEST(MockServer, query_fail)
smartdns::Client client;
server.Start("udp://0.0.0.0:7053", [](struct smartdns::ServerRequestContext *request) {
request->response_data_len = 0;
return false;
return smartdns::SERVER_REQUEST_ERROR;
});
ASSERT_TRUE(client.Query("example.com", 7053));
std::cout << client.GetResult() << std::endl;
EXPECT_EQ(client.GetStatus(), "SERVFAIL");
}
TEST(MockServer, soa)
{
smartdns::MockServer server;
smartdns::Client client;
server.Start("udp://0.0.0.0:7053", [](struct smartdns::ServerRequestContext *request) {
return smartdns::SERVER_REQUEST_SOA;
});
ASSERT_TRUE(client.Query("example.com", 7053));
std::cout << client.GetResult() << std::endl;
EXPECT_EQ(client.GetStatus(), "NXDOMAIN");
}
TEST(MockServer, noerror)
{
smartdns::MockServer server;
smartdns::Client client;
server.Start("udp://0.0.0.0:7053", [](struct smartdns::ServerRequestContext *request) {
return smartdns::SERVER_REQUEST_OK;
});
ASSERT_TRUE(client.Query("example.com", 7053));
std::cout << client.GetResult() << std::endl;
EXPECT_EQ(client.GetStatus(), "NOERROR");
}

55
test/server.cc
View File

@@ -142,13 +142,37 @@ void MockServer::Run()
head.aa = 0;
head.rd = 0;
head.ra = 1;
head.rcode = DNS_RC_SERVFAIL;
head.rcode = DNS_RC_NOERROR;
dns_packet_init(request.response_packet, sizeof(response_packet_buff), &head);
auto callback_ret = callback_(&request);
if (callback_ret == false || request.response_data_len == 0) {
if (callback_ret == SERVER_REQUEST_ERROR) {
dns_packet_init(request.response_packet, sizeof(response_packet_buff), &head);
request.response_packet->head.rcode = DNS_RC_SERVFAIL;
dns_add_domain(request.response_packet, request.domain.c_str(), request.qtype, request.qclass);
request.response_data_len =
dns_encode(request.response_data, request.response_data_max_len, request.response_packet);
} else if (request.response_data_len == 0) {
if (callback_ret == SERVER_REQUEST_OK) {
request.response_data_len =
dns_encode(request.response_data, request.response_data_max_len, request.response_packet);
} else if (callback_ret == SERVER_REQUEST_SOA) {
struct dns_soa soa;
memset(&soa, 0, sizeof(soa));
strncpy(soa.mname, "ns1.example.com", sizeof(soa.mname));
strncpy(soa.rname, "hostmaster.example.com", sizeof(soa.rname));
soa.serial = 1;
soa.refresh = 3600;
soa.retry = 600;
soa.expire = 86400;
soa.minimum = 3600;
dns_packet_init(request.response_packet, sizeof(response_packet_buff), &head);
dns_add_domain(request.response_packet, request.domain.c_str(), request.qtype, request.qclass);
request.response_packet->head.rcode = DNS_RC_NXDOMAIN;
dns_add_SOA(request.response_packet, DNS_RRS_AN, request.domain.c_str(), 1, &soa);
request.response_data_len =
dns_encode(request.response_data, request.response_data_max_len, request.response_packet);
}
}
sendto(fd_, request.response_data, request.response_data_len, MSG_NOSIGNAL, (struct sockaddr *)&from,
@@ -157,6 +181,33 @@ void MockServer::Run()
}
}
bool MockServer::AddIP(struct ServerRequestContext *request, const std::string &domain, const std::string &ip, int ttl)
{
struct sockaddr_storage addr;
socklen_t addrlen = sizeof(addr);
memset(&addr, 0, sizeof(addr));
if (GetAddr(ip, "53", SOCK_DGRAM, IPPROTO_UDP, &addr, &addrlen)) {
if (addr.ss_family == AF_INET) {
struct sockaddr_in *addr4 = (struct sockaddr_in *)&addr;
dns_add_A(request->response_packet, DNS_RRS_AN, domain.c_str(), ttl,
(unsigned char *)&addr4->sin_addr.s_addr);
} else if (addr.ss_family == AF_INET6) {
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&addr;
if (IN6_IS_ADDR_V4MAPPED(&addr6->sin6_addr)) {
dns_add_A(request->response_packet, DNS_RRS_AN, domain.c_str(), ttl,
(unsigned char *)&addr6->sin6_addr.s6_addr[12]);
return true;
}
dns_add_AAAA(request->response_packet, DNS_RRS_AN, domain.c_str(), ttl,
(unsigned char *)&addr6->sin6_addr.s6_addr);
}
return true;
}
return false;
}
bool MockServer::GetAddr(const std::string &host, const std::string port, int type, int protocol,
struct sockaddr_storage *addr, socklen_t *addrlen)

12
test/server.h
View File

@@ -65,7 +65,13 @@ struct ServerRequestContext {
int response_data_len;
};
using ServerRequest = std::function<bool(struct ServerRequestContext *request)>;
typedef enum {
SERVER_REQUEST_OK = 0,
SERVER_REQUEST_ERROR,
SERVER_REQUEST_SOA,
} ServerRequestResult;
using ServerRequest = std::function<ServerRequestResult(struct ServerRequestContext *request)>;
class MockServer
{
@@ -77,10 +83,12 @@ class MockServer
void Stop();
bool IsRunning();
static bool AddIP(struct ServerRequestContext *request, const std::string &domain, const std::string &ip, int ttl = 60);
private:
void Run();
bool GetAddr(const std::string &host, const std::string port, int type, int protocol, struct sockaddr_storage *addr,
static bool GetAddr(const std::string &host, const std::string port, int type, int protocol, struct sockaddr_storage *addr,
socklen_t *addrlen);
int fd_;
std::thread thread_;