1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <stddef.h>
20
21 #include <memory>
22 #include <string>
23 #include <vector>
24
25 #include "absl/status/statusor.h"
26 #include "absl/strings/str_cat.h"
27 #include "gtest/gtest.h"
28
29 #include <grpc/grpc.h>
30 #include <grpc/grpc_security.h>
31 #include <grpc/impl/channel_arg_names.h>
32 #include <grpc/support/log.h>
33 #include <grpc/support/time.h>
34
35 #include "src/core/lib/channel/channel_args.h"
36 #include "src/core/lib/gpr/useful.h"
37 #include "src/core/lib/gprpp/host_port.h"
38 #include "src/core/lib/iomgr/resolve_address.h"
39 #include "src/core/lib/iomgr/resolved_address.h"
40 #include "src/core/lib/security/credentials/fake/fake_credentials.h"
41 #include "test/core/util/port.h"
42 #include "test/core/util/test_config.h"
43
test_register_method_fail(void)44 void test_register_method_fail(void) {
45 grpc_server* server = grpc_server_create(nullptr, nullptr);
46 void* method;
47 void* method_old;
48 method = grpc_server_register_method(server, nullptr, nullptr,
49 GRPC_SRM_PAYLOAD_NONE, 0);
50 ASSERT_EQ(method, nullptr);
51 method_old =
52 grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
53 ASSERT_NE(method_old, nullptr);
54 method = grpc_server_register_method(
55 server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
56 ASSERT_EQ(method, nullptr);
57 grpc_server_destroy(server);
58 }
59
test_request_call_on_no_server_cq(void)60 void test_request_call_on_no_server_cq(void) {
61 grpc_completion_queue* cc = grpc_completion_queue_create_for_next(nullptr);
62 grpc_server* server = grpc_server_create(nullptr, nullptr);
63 ASSERT_EQ(GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE,
64 grpc_server_request_call(server, nullptr, nullptr, nullptr, cc, cc,
65 nullptr));
66 ASSERT_EQ(
67 GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE,
68 grpc_server_request_registered_call(server, nullptr, nullptr, nullptr,
69 nullptr, nullptr, cc, cc, nullptr));
70 grpc_completion_queue_destroy(cc);
71 grpc_server_destroy(server);
72 }
73
test_bind_server_twice(void)74 void test_bind_server_twice(void) {
75 grpc_arg a = grpc_channel_arg_integer_create(
76 const_cast<char*>(GRPC_ARG_ALLOW_REUSEPORT), 0);
77 grpc_channel_args args = {1, &a};
78
79 grpc_server* server1 = grpc_server_create(&args, nullptr);
80 grpc_server* server2 = grpc_server_create(&args, nullptr);
81 grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
82 int port = grpc_pick_unused_port_or_die();
83 std::string addr = absl::StrCat("[::]:", port);
84 grpc_server_register_completion_queue(server1, cq, nullptr);
85 grpc_server_register_completion_queue(server2, cq, nullptr);
86 ASSERT_EQ(0, grpc_server_add_http2_port(server2, addr.c_str(), nullptr));
87 grpc_server_credentials* insecure_creds =
88 grpc_insecure_server_credentials_create();
89 ASSERT_EQ(port,
90 grpc_server_add_http2_port(server1, addr.c_str(), insecure_creds));
91 grpc_server_credentials_release(insecure_creds);
92 grpc_server_credentials* another_insecure_creds =
93 grpc_insecure_server_credentials_create();
94 ASSERT_EQ(0, grpc_server_add_http2_port(server2, addr.c_str(),
95 another_insecure_creds));
96 grpc_server_credentials_release(another_insecure_creds);
97 grpc_server_credentials* fake_creds =
98 grpc_fake_transport_security_server_credentials_create();
99 ASSERT_EQ(0, grpc_server_add_http2_port(server2, addr.c_str(), fake_creds));
100 grpc_server_credentials_release(fake_creds);
101 grpc_server_shutdown_and_notify(server1, cq, nullptr);
102 grpc_server_shutdown_and_notify(server2, cq, nullptr);
103 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
104 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
105 grpc_server_destroy(server1);
106 grpc_server_destroy(server2);
107 grpc_completion_queue_destroy(cq);
108 }
109
test_bind_server_to_addr(const char * host,bool secure)110 void test_bind_server_to_addr(const char* host, bool secure) {
111 int port = grpc_pick_unused_port_or_die();
112 std::string addr = grpc_core::JoinHostPort(host, port);
113 gpr_log(GPR_INFO, "Test bind to %s", addr.c_str());
114
115 grpc_server* server = grpc_server_create(nullptr, nullptr);
116 if (secure) {
117 grpc_server_credentials* fake_creds =
118 grpc_fake_transport_security_server_credentials_create();
119 ASSERT_TRUE(grpc_server_add_http2_port(server, addr.c_str(), fake_creds));
120 grpc_server_credentials_release(fake_creds);
121 } else {
122 grpc_server_credentials* insecure_creds =
123 grpc_insecure_server_credentials_create();
124 ASSERT_TRUE(
125 grpc_server_add_http2_port(server, addr.c_str(), insecure_creds));
126 grpc_server_credentials_release(insecure_creds);
127 }
128 grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
129 grpc_server_register_completion_queue(server, cq, nullptr);
130 grpc_server_start(server);
131 grpc_server_shutdown_and_notify(server, cq, nullptr);
132 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
133 grpc_server_destroy(server);
134 grpc_completion_queue_destroy(cq);
135 }
136
external_dns_works(const char * host)137 static bool external_dns_works(const char* host) {
138 return grpc_core::GetDNSResolver()->LookupHostnameBlocking(host, "80").ok();
139 }
140
test_bind_server_to_addrs(const char ** addrs,size_t n)141 static void test_bind_server_to_addrs(const char** addrs, size_t n) {
142 for (size_t i = 0; i < n; i++) {
143 test_bind_server_to_addr(addrs[i], false);
144 test_bind_server_to_addr(addrs[i], true);
145 }
146 }
147
TEST(ServerTest,MainTest)148 TEST(ServerTest, MainTest) {
149 grpc_init();
150 test_register_method_fail();
151 test_request_call_on_no_server_cq();
152 test_bind_server_twice();
153
154 static const char* addrs[] = {
155 "::1", "127.0.0.1", "::ffff:127.0.0.1", "localhost", "0.0.0.0", "::",
156 };
157 test_bind_server_to_addrs(addrs, GPR_ARRAY_SIZE(addrs));
158
159 if (external_dns_works("loopback46.unittest.grpc.io")) {
160 static const char* dns_addrs[] = {
161 "loopback46.unittest.grpc.io",
162 "loopback4.unittest.grpc.io",
163 };
164 test_bind_server_to_addrs(dns_addrs, GPR_ARRAY_SIZE(dns_addrs));
165 }
166
167 grpc_shutdown();
168 }
169
main(int argc,char ** argv)170 int main(int argc, char** argv) {
171 grpc::testing::TestEnvironment env(&argc, argv);
172 ::testing::InitGoogleTest(&argc, argv);
173 grpc::testing::TestGrpcScope grpc_scope;
174 return RUN_ALL_TESTS();
175 }
176