1 // 2 // 3 // Copyright 2024 gRPC authors. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // 18 19 #include "src/core/lib/surface/connection_context.h" 20 21 #include <grpc/support/alloc.h> 22 #include <grpc/support/port_platform.h> 23 24 #include <cstddef> 25 26 #include "src/core/util/alloc.h" 27 #include "src/core/util/orphanable.h" 28 29 namespace grpc_core { 30 31 namespace { 32 ConnectionContextStorage()33void* ConnectionContextStorage() { 34 size_t base_size = sizeof(ConnectionContext) + 35 GPR_ROUND_UP_TO_ALIGNMENT_SIZE( 36 connection_context_detail:: 37 BaseConnectionContextPropertiesTraits::Size()); 38 static constexpr size_t alignment = 39 (GPR_CACHELINE_SIZE > GPR_MAX_ALIGNMENT && 40 GPR_CACHELINE_SIZE % GPR_MAX_ALIGNMENT == 0) 41 ? GPR_CACHELINE_SIZE 42 : GPR_MAX_ALIGNMENT; 43 return gpr_malloc_aligned(base_size, alignment); 44 } 45 46 } // namespace 47 Create()48OrphanablePtr<ConnectionContext> ConnectionContext::Create() { 49 void* p = ConnectionContextStorage(); 50 return OrphanablePtr<ConnectionContext>(new (p) ConnectionContext()); 51 } 52 ConnectionContext()53ConnectionContext::ConnectionContext() { 54 for (size_t i = 0; 55 i < connection_context_detail::BaseConnectionContextPropertiesTraits:: 56 NumProperties(); 57 ++i) { 58 registered_properties()[i] = nullptr; 59 } 60 } 61 Orphan()62void ConnectionContext::Orphan() { 63 this->~ConnectionContext(); 64 gpr_free_aligned(const_cast<ConnectionContext*>(this)); 65 } 66 ~ConnectionContext()67ConnectionContext::~ConnectionContext() { 68 for (size_t i = 0; 69 i < connection_context_detail::BaseConnectionContextPropertiesTraits:: 70 NumProperties(); 71 ++i) { 72 connection_context_detail::BaseConnectionContextPropertiesTraits::Destroy( 73 i, registered_properties()[i]); 74 } 75 } 76 77 } // namespace grpc_core 78