diff options
Diffstat (limited to 'src/core/lib/transport/service_config.h')
| -rw-r--r-- | src/core/lib/transport/service_config.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/core/lib/transport/service_config.h b/src/core/lib/transport/service_config.h new file mode 100644 index 0000000000..2ffe475193 --- /dev/null +++ b/src/core/lib/transport/service_config.h @@ -0,0 +1,70 @@ +// +// Copyright 2016, 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_LIB_TRANSPORT_SERVICE_CONFIG_H +#define GRPC_CORE_LIB_TRANSPORT_SERVICE_CONFIG_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/json/json.h" +#include "src/core/lib/transport/mdstr_hash_table.h" + +typedef struct grpc_service_config grpc_service_config; + +grpc_service_config* grpc_service_config_create(const char* json_string); +void grpc_service_config_destroy(grpc_service_config* service_config); + +/// Gets the LB policy name from \a service_config. +/// Returns NULL if no LB policy name was specified. +/// Caller does NOT take ownership. +const char* grpc_service_config_get_lb_policy_name( + const grpc_service_config* service_config); + +/// Creates a method config table based on the data in \a json. +/// The table's keys are request paths. The table's value type is +/// returned by \a create_value(), based on data parsed from the JSON tree. +/// \a vtable provides methods used to manage the values. +/// Returns NULL on error. +grpc_mdstr_hash_table* grpc_service_config_create_method_config_table( + const grpc_service_config* service_config, + void* (*create_value)(const grpc_json* method_config_json), + const grpc_mdstr_hash_table_vtable* vtable); + +/// A helper function for looking up values in the table returned by +/// \a grpc_service_config_create_method_config_table(). +/// Gets the method config for the specified \a path, which should be of +/// the form "/service/method". +/// Returns NULL if the method has no config. +/// Caller does NOT own a reference to the result. +void* grpc_method_config_table_get(const grpc_mdstr_hash_table* table, + const grpc_mdstr* path); + +#endif /* GRPC_CORE_LIB_TRANSPORT_SERVICE_CONFIG_H */ |