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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <string.h>
#include <grpc/support/log.h>
#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h"
#include "src/core/ext/filters/client_channel/resolver_registry.h"
#include "src/core/lib/gpr/env.h"
#include "src/core/lib/gpr/string.h"
#include "src/core/lib/iomgr/combiner.h"
#include "test/core/util/test_config.h"
static grpc_combiner* g_combiner;
static void test_succeeds(grpc_core::ResolverFactory* factory,
const char* string) {
gpr_log(GPR_DEBUG, "test: '%s' should be valid for '%s'", string,
factory->scheme());
grpc_core::ExecCtx exec_ctx;
grpc_uri* uri = grpc_uri_parse(string, 0);
GPR_ASSERT(uri);
grpc_core::ResolverArgs args;
args.uri = uri;
args.combiner = g_combiner;
grpc_core::OrphanablePtr<grpc_core::Resolver> resolver =
factory->CreateResolver(args);
GPR_ASSERT(resolver != nullptr);
grpc_uri_destroy(uri);
}
static void test_fails(grpc_core::ResolverFactory* factory,
const char* string) {
gpr_log(GPR_DEBUG, "test: '%s' should be invalid for '%s'", string,
factory->scheme());
grpc_core::ExecCtx exec_ctx;
grpc_uri* uri = grpc_uri_parse(string, 0);
GPR_ASSERT(uri);
grpc_core::ResolverArgs args;
args.uri = uri;
args.combiner = g_combiner;
grpc_core::OrphanablePtr<grpc_core::Resolver> resolver =
factory->CreateResolver(args);
GPR_ASSERT(resolver == nullptr);
grpc_uri_destroy(uri);
}
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(argc, argv);
grpc_init();
g_combiner = grpc_combiner_create();
grpc_core::ResolverFactory* dns =
grpc_core::ResolverRegistry::LookupResolverFactory("dns");
test_succeeds(dns, "dns:10.2.1.1");
test_succeeds(dns, "dns:10.2.1.1:1234");
test_succeeds(dns, "dns:www.google.com");
test_succeeds(dns, "dns:///www.google.com");
char* resolver_env = gpr_getenv("GRPC_DNS_RESOLVER");
if (resolver_env != nullptr && gpr_stricmp(resolver_env, "native") == 0) {
test_fails(dns, "dns://8.8.8.8/8.8.8.8:8888");
} else {
test_succeeds(dns, "dns://8.8.8.8/8.8.8.8:8888");
}
gpr_free(resolver_env);
{
grpc_core::ExecCtx exec_ctx;
GRPC_COMBINER_UNREF(g_combiner, "test");
}
grpc_shutdown();
return 0;
}
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