| /* |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H |
| #define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H |
| |
| #include "src/core/ext/filters/client_channel/resolver_factory.h" |
| #include "src/core/lib/iomgr/pollset_set.h" |
| |
| void grpc_resolver_registry_init(); |
| void grpc_resolver_registry_shutdown(void); |
| |
| /** Set the default URI prefix to \a default_prefix. */ |
| void grpc_resolver_registry_set_default_prefix(const char *default_prefix); |
| |
| /** Register a resolver type. |
| URI's of \a scheme will be resolved with the given resolver. |
| If \a priority is greater than zero, then the resolver will be eligible |
| to resolve names that are passed in with no scheme. Higher priority |
| resolvers will be tried before lower priority schemes. */ |
| void grpc_register_resolver_type(grpc_resolver_factory *factory); |
| |
| /** Create a resolver given \a target. |
| First tries to parse \a target as a URI. If this succeeds, tries |
| to locate a registered resolver factory based on the URI scheme. |
| If parsing or location fails, prefixes default_prefix from |
| grpc_resolver_registry_init to target, and tries again (if default_prefix |
| was not NULL). |
| If a resolver factory was found, use it to instantiate a resolver and |
| return it. |
| If a resolver factory was not found, return NULL. |
| \a args is a set of channel arguments to be included in the result |
| (typically the set of arguments passed in from the client API). |
| \a pollset_set is used to drive IO in the name resolution process, it |
| should not be NULL. */ |
| grpc_resolver *grpc_resolver_create(grpc_exec_ctx *exec_ctx, const char *target, |
| const grpc_channel_args *args, |
| grpc_pollset_set *pollset_set, |
| grpc_combiner *combiner); |
| |
| /** Find a resolver factory given a name and return an (owned-by-the-caller) |
| * reference to it */ |
| grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name); |
| |
| /** Given a target, return a (freshly allocated with gpr_malloc) string |
| representing the default authority to pass from a client. */ |
| char *grpc_get_default_authority(grpc_exec_ctx *exec_ctx, const char *target); |
| |
| /** Returns a newly allocated string containing \a target, adding the |
| default prefix if needed. */ |
| char *grpc_resolver_factory_add_default_prefix_if_needed( |
| grpc_exec_ctx *exec_ctx, const char *target); |
| |
| #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_REGISTRY_H */ |