// // Copyright 2015, Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // #ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H #define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H #include "src/core/ext/client_channel/lb_policy_factory.h" // TODO(roth, ctiller): In the long term, we are considering replacing // the resolver_result data structure with grpc_channel_args. The idea is // that the resolver will return a set of channel args that contains the // information that is currently in the resolver_result struct. For // example, there will be specific args indicating the set of addresses // and the name of the LB policy to instantiate. Note that if we did // this, we would probably want to change the data structure of // grpc_channel_args such to a hash table or AVL or some other data // structure that does not require linear search to find keys. /// Results reported from a grpc_resolver. typedef struct grpc_resolver_result grpc_resolver_result; /// Takes ownership of \a addresses and \a lb_policy_args. grpc_resolver_result* grpc_resolver_result_create( const char* server_name, grpc_lb_addresses* addresses, const char* lb_policy_name, grpc_channel_args* lb_policy_args); void grpc_resolver_result_ref(grpc_resolver_result* result); void grpc_resolver_result_unref(grpc_exec_ctx* exec_ctx, grpc_resolver_result* result); /// Caller does NOT take ownership of result. const char* grpc_resolver_result_get_server_name(grpc_resolver_result* result); /// Caller does NOT take ownership of result. grpc_lb_addresses* grpc_resolver_result_get_addresses( grpc_resolver_result* result); /// Caller does NOT take ownership of result. const char* grpc_resolver_result_get_lb_policy_name( grpc_resolver_result* result); /// Caller does NOT take ownership of result. grpc_channel_args* grpc_resolver_result_get_lb_policy_args( grpc_resolver_result* result); #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H */