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/*
*
* Copyright 2017 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 <grpc/support/port_platform.h>
#include <grpc/support/log.h>
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/security/transport/target_authority_table.h"
// Channel arg key for the mapping of target addresses to their authorities.
#define GRPC_ARG_TARGET_AUTHORITY_TABLE "grpc.target_authority_table"
namespace grpc_core {
namespace {
void* target_authority_table_copy(void* p) {
TargetAuthorityTable* table = static_cast<TargetAuthorityTable*>(p);
// TODO(roth): When channel_args are converted to C++, pass the
// RefCountedPtr<> directly instead of managing the ref manually.
table->Ref().release();
return p;
}
void target_authority_table_destroy(void* p) {
TargetAuthorityTable* table = static_cast<TargetAuthorityTable*>(p);
table->Unref();
}
int target_authority_table_cmp(void* a, void* b) {
return TargetAuthorityTable::Cmp(
*static_cast<const TargetAuthorityTable*>(a),
*static_cast<const TargetAuthorityTable*>(b));
}
const grpc_arg_pointer_vtable target_authority_table_arg_vtable = {
target_authority_table_copy, target_authority_table_destroy,
target_authority_table_cmp};
} // namespace
grpc_arg CreateTargetAuthorityTableChannelArg(TargetAuthorityTable* table) {
return grpc_channel_arg_pointer_create((char*)GRPC_ARG_TARGET_AUTHORITY_TABLE,
table,
&target_authority_table_arg_vtable);
}
TargetAuthorityTable* FindTargetAuthorityTableInArgs(
const grpc_channel_args* args) {
const grpc_arg* arg =
grpc_channel_args_find(args, GRPC_ARG_TARGET_AUTHORITY_TABLE);
if (arg != nullptr) {
if (arg->type == GRPC_ARG_POINTER) {
return static_cast<TargetAuthorityTable*>(arg->value.pointer.p);
} else {
gpr_log(GPR_ERROR, "value of " GRPC_ARG_TARGET_AUTHORITY_TABLE
" channel arg was not pointer type; ignoring");
}
}
return nullptr;
}
} // namespace grpc_core
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