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 <string>
20
21 #include "absl/strings/str_cat.h"
22
23 #include <grpc/grpc.h>
24 #include <grpc/grpc_security.h>
25 #include <grpc/support/alloc.h>
26 #include <grpc/support/log.h>
27
28 #include "src/core/lib/gprpp/host_port.h"
29 #include "src/core/lib/iomgr/resolve_address.h"
30 #include "src/core/lib/security/credentials/fake/fake_credentials.h"
31 #include "test/core/util/port.h"
32 #include "test/core/util/test_config.h"
33
test_register_method_fail(void)34 void test_register_method_fail(void) {
35 grpc_server* server = grpc_server_create(nullptr, nullptr);
36 void* method;
37 void* method_old;
38 method = grpc_server_register_method(server, nullptr, nullptr,
39 GRPC_SRM_PAYLOAD_NONE, 0);
40 GPR_ASSERT(method == nullptr);
41 method_old =
42 grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
43 GPR_ASSERT(method_old != nullptr);
44 method = grpc_server_register_method(
45 server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
46 GPR_ASSERT(method == nullptr);
47 method_old =
48 grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE,
49 GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
50 GPR_ASSERT(method_old != nullptr);
51 method =
52 grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE, 0);
53 GPR_ASSERT(method == nullptr);
54 method = grpc_server_register_method(
55 server, "m2", "h2", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER,
56 GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
57 GPR_ASSERT(method == nullptr);
58 grpc_server_destroy(server);
59 }
60
test_request_call_on_no_server_cq(void)61 void test_request_call_on_no_server_cq(void) {
62 grpc_completion_queue* cc = grpc_completion_queue_create_for_next(nullptr);
63 grpc_server* server = grpc_server_create(nullptr, nullptr);
64 GPR_ASSERT(GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE ==
65 grpc_server_request_call(server, nullptr, nullptr, nullptr, cc, cc,
66 nullptr));
67 GPR_ASSERT(GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE ==
68 grpc_server_request_registered_call(server, nullptr, nullptr,
69 nullptr, nullptr, nullptr, cc,
70 cc, nullptr));
71 grpc_completion_queue_destroy(cc);
72 grpc_server_destroy(server);
73 }
74
75 // GRPC_ARG_ALLOW_REUSEPORT isn't supported for custom servers
76 #ifndef GRPC_UV
test_bind_server_twice(void)77 void test_bind_server_twice(void) {
78 grpc_arg a = grpc_channel_arg_integer_create(
79 const_cast<char*>(GRPC_ARG_ALLOW_REUSEPORT), 0);
80 grpc_channel_args args = {1, &a};
81
82 grpc_server* server1 = grpc_server_create(&args, nullptr);
83 grpc_server* server2 = grpc_server_create(&args, nullptr);
84 grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
85 int port = grpc_pick_unused_port_or_die();
86 std::string addr = absl::StrCat("[::]:", port);
87 grpc_server_register_completion_queue(server1, cq, nullptr);
88 grpc_server_register_completion_queue(server2, cq, nullptr);
89 GPR_ASSERT(0 ==
90 grpc_server_add_secure_http2_port(server2, addr.c_str(), nullptr));
91 GPR_ASSERT(port ==
92 grpc_server_add_insecure_http2_port(server1, addr.c_str()));
93 GPR_ASSERT(0 == grpc_server_add_insecure_http2_port(server2, addr.c_str()));
94 grpc_server_credentials* fake_creds =
95 grpc_fake_transport_security_server_credentials_create();
96 GPR_ASSERT(0 == grpc_server_add_secure_http2_port(server2, addr.c_str(),
97 fake_creds));
98 grpc_server_credentials_release(fake_creds);
99 grpc_server_shutdown_and_notify(server1, cq, nullptr);
100 grpc_server_shutdown_and_notify(server2, cq, nullptr);
101 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
102 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
103 grpc_server_destroy(server1);
104 grpc_server_destroy(server2);
105 grpc_completion_queue_destroy(cq);
106 }
107 #endif
108
test_bind_server_to_addr(const char * host,bool secure)109 void test_bind_server_to_addr(const char* host, bool secure) {
110 int port = grpc_pick_unused_port_or_die();
111 std::string addr = grpc_core::JoinHostPort(host, port);
112 gpr_log(GPR_INFO, "Test bind to %s", addr.c_str());
113
114 grpc_server* server = grpc_server_create(nullptr, nullptr);
115 if (secure) {
116 grpc_server_credentials* fake_creds =
117 grpc_fake_transport_security_server_credentials_create();
118 GPR_ASSERT(
119 grpc_server_add_secure_http2_port(server, addr.c_str(), fake_creds));
120 grpc_server_credentials_release(fake_creds);
121 } else {
122 GPR_ASSERT(grpc_server_add_insecure_http2_port(server, addr.c_str()));
123 }
124 grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
125 grpc_server_register_completion_queue(server, cq, nullptr);
126 grpc_server_start(server);
127 grpc_server_shutdown_and_notify(server, cq, nullptr);
128 grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
129 grpc_server_destroy(server);
130 grpc_completion_queue_destroy(cq);
131 }
132
external_dns_works(const char * host)133 static int external_dns_works(const char* host) {
134 grpc_resolved_addresses* res = nullptr;
135 grpc_error* error = grpc_blocking_resolve_address(host, "80", &res);
136 GRPC_ERROR_UNREF(error);
137 if (res != nullptr) {
138 grpc_resolved_addresses_destroy(res);
139 return 1;
140 }
141 return 0;
142 }
143
test_bind_server_to_addrs(const char ** addrs,size_t n)144 static void test_bind_server_to_addrs(const char** addrs, size_t n) {
145 for (size_t i = 0; i < n; i++) {
146 test_bind_server_to_addr(addrs[i], false);
147 test_bind_server_to_addr(addrs[i], true);
148 }
149 }
150
main(int argc,char ** argv)151 int main(int argc, char** argv) {
152 grpc::testing::TestEnvironment env(argc, argv);
153 grpc_init();
154 test_register_method_fail();
155 test_request_call_on_no_server_cq();
156 #ifndef GRPC_UV
157 test_bind_server_twice();
158 #endif
159
160 static const char* addrs[] = {
161 "::1", "127.0.0.1", "::ffff:127.0.0.1", "localhost", "0.0.0.0", "::",
162 };
163 test_bind_server_to_addrs(addrs, GPR_ARRAY_SIZE(addrs));
164
165 if (external_dns_works("loopback46.unittest.grpc.io")) {
166 static const char* dns_addrs[] = {
167 "loopback46.unittest.grpc.io",
168 "loopback4.unittest.grpc.io",
169 };
170 test_bind_server_to_addrs(dns_addrs, GPR_ARRAY_SIZE(dns_addrs));
171 }
172
173 grpc_shutdown();
174 return 0;
175 }
176