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.h>
20
21 #include <grpc/support/log.h>
22
23 #include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h"
24 #include "src/core/ext/filters/client_channel/resolver_registry.h"
25 #include "src/core/lib/iomgr/combiner.h"
26 #include "test/core/util/test_config.h"
27
28 static grpc_combiner* g_combiner;
29
test_succeeds(grpc_core::ResolverFactory * factory,const char * string)30 static void test_succeeds(grpc_core::ResolverFactory* factory,
31 const char* string) {
32 gpr_log(GPR_DEBUG, "test: '%s' should be valid for '%s'", string,
33 factory->scheme());
34 grpc_core::ExecCtx exec_ctx;
35 grpc_uri* uri = grpc_uri_parse(string, 0);
36 GPR_ASSERT(uri);
37 grpc_core::ResolverArgs args;
38 args.uri = uri;
39 args.combiner = g_combiner;
40 grpc_core::OrphanablePtr<grpc_core::Resolver> resolver =
41 factory->CreateResolver(args);
42 GPR_ASSERT(resolver != nullptr);
43 grpc_uri_destroy(uri);
44 }
45
test_fails(grpc_core::ResolverFactory * factory,const char * string)46 static void test_fails(grpc_core::ResolverFactory* factory,
47 const char* string) {
48 gpr_log(GPR_DEBUG, "test: '%s' should be invalid for '%s'", string,
49 factory->scheme());
50 grpc_core::ExecCtx exec_ctx;
51 grpc_uri* uri = grpc_uri_parse(string, 0);
52 GPR_ASSERT(uri);
53 grpc_core::ResolverArgs args;
54 args.uri = uri;
55 args.combiner = g_combiner;
56 grpc_core::OrphanablePtr<grpc_core::Resolver> resolver =
57 factory->CreateResolver(args);
58 GPR_ASSERT(resolver == nullptr);
59 grpc_uri_destroy(uri);
60 }
61
main(int argc,char ** argv)62 int main(int argc, char** argv) {
63 grpc_test_init(argc, argv);
64 grpc_init();
65
66 g_combiner = grpc_combiner_create();
67
68 grpc_core::ResolverFactory* dns =
69 grpc_core::ResolverRegistry::LookupResolverFactory("dns");
70
71 test_succeeds(dns, "dns:10.2.1.1");
72 test_succeeds(dns, "dns:10.2.1.1:1234");
73 test_succeeds(dns, "dns:www.google.com");
74 test_succeeds(dns, "dns:///www.google.com");
75 if (grpc_resolve_address == grpc_resolve_address_ares) {
76 test_succeeds(dns, "dns://8.8.8.8/8.8.8.8:8888");
77 } else {
78 test_fails(dns, "dns://8.8.8.8/8.8.8.8:8888");
79 }
80
81 {
82 grpc_core::ExecCtx exec_ctx;
83 GRPC_COMBINER_UNREF(g_combiner, "test");
84 }
85 grpc_shutdown();
86
87 return 0;
88 }
89