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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/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include "src/core/ext/filters/client_channel/resolver_registry.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/iomgr/combiner.h"
#include "test/core/util/test_config.h"
static grpc_combiner* g_combiner;
typedef struct on_resolution_arg {
char* expected_server_name;
grpc_channel_args* resolver_result;
} on_resolution_arg;
void on_resolution_cb(void* arg, grpc_error* error) {
on_resolution_arg* res = static_cast<on_resolution_arg*>(arg);
grpc_channel_args_destroy(res->resolver_result);
}
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);
on_resolution_arg on_res_arg;
memset(&on_res_arg, 0, sizeof(on_res_arg));
on_res_arg.expected_server_name = uri->path;
grpc_closure* on_resolution = GRPC_CLOSURE_CREATE(
on_resolution_cb, &on_res_arg, grpc_schedule_on_exec_ctx);
resolver->NextLocked(&on_res_arg.resolver_result, on_resolution);
grpc_uri_destroy(uri);
/* Flush ExecCtx to avoid stack-use-after-scope on on_res_arg which is
* accessed in the closure on_resolution_cb */
grpc_core::ExecCtx::Get()->Flush();
}
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* ipv4 =
grpc_core::ResolverRegistry::LookupResolverFactory("ipv4");
grpc_core::ResolverFactory* ipv6 =
grpc_core::ResolverRegistry::LookupResolverFactory("ipv6");
test_fails(ipv4, "ipv4:10.2.1.1");
test_succeeds(ipv4, "ipv4:10.2.1.1:1234");
test_succeeds(ipv4, "ipv4:10.2.1.1:1234,127.0.0.1:4321");
test_fails(ipv4, "ipv4:10.2.1.1:123456");
test_fails(ipv4, "ipv4:www.google.com");
test_fails(ipv4, "ipv4:[");
test_fails(ipv4, "ipv4://8.8.8.8/8.8.8.8:8888");
test_fails(ipv6, "ipv6:[");
test_fails(ipv6, "ipv6:[::]");
test_succeeds(ipv6, "ipv6:[::]:1234");
test_fails(ipv6, "ipv6:[::]:123456");
test_fails(ipv6, "ipv6:www.google.com");
{
grpc_core::ExecCtx exec_ctx;
GRPC_COMBINER_UNREF(g_combiner, "test");
}
grpc_shutdown();
return 0;
}
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