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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(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
on_resolution_arg *res = arg;
grpc_channel_args_destroy(exec_ctx, res->resolver_result);
}
static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_uri *uri = grpc_uri_parse(&exec_ctx, string, 0);
grpc_resolver_args args;
grpc_resolver *resolver;
gpr_log(GPR_DEBUG, "test: '%s' should be valid for '%s'", string,
factory->vtable->scheme);
GPR_ASSERT(uri);
memset(&args, 0, sizeof(args));
args.uri = uri;
args.combiner = g_combiner;
resolver = grpc_resolver_factory_create_resolver(&exec_ctx, factory, &args);
GPR_ASSERT(resolver != NULL);
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);
grpc_resolver_next_locked(&exec_ctx, resolver, &on_res_arg.resolver_result,
on_resolution);
GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
grpc_exec_ctx_finish(&exec_ctx);
grpc_uri_destroy(uri);
}
static void test_fails(grpc_resolver_factory *factory, const char *string) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_uri *uri = grpc_uri_parse(&exec_ctx, string, 0);
grpc_resolver_args args;
grpc_resolver *resolver;
gpr_log(GPR_DEBUG, "test: '%s' should be invalid for '%s'", string,
factory->vtable->scheme);
GPR_ASSERT(uri);
memset(&args, 0, sizeof(args));
args.uri = uri;
args.combiner = g_combiner;
resolver = grpc_resolver_factory_create_resolver(&exec_ctx, factory, &args);
GPR_ASSERT(resolver == NULL);
grpc_uri_destroy(uri);
grpc_exec_ctx_finish(&exec_ctx);
}
int main(int argc, char **argv) {
grpc_resolver_factory *ipv4, *ipv6;
grpc_test_init(argc, argv);
grpc_init();
g_combiner = grpc_combiner_create();
ipv4 = grpc_resolver_factory_lookup("ipv4");
ipv6 = grpc_resolver_factory_lookup("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_resolver_factory_unref(ipv4);
grpc_resolver_factory_unref(ipv6);
{
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GRPC_COMBINER_UNREF(&exec_ctx, g_combiner, "test");
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_shutdown();
return 0;
}
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