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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.
*
*/
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H
#include "src/core/ext/filters/client_channel/client_channel_factory.h"
#include "src/core/ext/filters/client_channel/resolver.h"
#include "src/core/ext/filters/client_channel/uri_parser.h"
#include "src/core/lib/iomgr/pollset_set.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct grpc_resolver_factory grpc_resolver_factory;
typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
struct grpc_resolver_factory {
const grpc_resolver_factory_vtable* vtable;
};
typedef struct grpc_resolver_args {
grpc_uri* uri;
const grpc_channel_args* args;
grpc_pollset_set* pollset_set;
grpc_combiner* combiner;
} grpc_resolver_args;
struct grpc_resolver_factory_vtable {
void (*ref)(grpc_resolver_factory* factory);
void (*unref)(grpc_resolver_factory* factory);
/** Implementation of grpc_resolver_factory_create_resolver */
grpc_resolver* (*create_resolver)(grpc_exec_ctx* exec_ctx,
grpc_resolver_factory* factory,
grpc_resolver_args* args);
/** Implementation of grpc_resolver_factory_get_default_authority */
char* (*get_default_authority)(grpc_resolver_factory* factory, grpc_uri* uri);
/** URI scheme that this factory implements */
const char* scheme;
};
void grpc_resolver_factory_ref(grpc_resolver_factory* resolver);
void grpc_resolver_factory_unref(grpc_resolver_factory* resolver);
/** Create a resolver instance for a name */
grpc_resolver* grpc_resolver_factory_create_resolver(
grpc_exec_ctx* exec_ctx, grpc_resolver_factory* factory,
grpc_resolver_args* args);
/** Return a (freshly allocated with gpr_malloc) string representing
the default authority to use for this scheme. */
char* grpc_resolver_factory_get_default_authority(
grpc_resolver_factory* factory, grpc_uri* uri);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_RESOLVER_FACTORY_H */
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