| /* |
| * |
| * Copyright 2018 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 "src/core/ext/transport/chttp2/transport/context_list.h" |
| |
| namespace { |
| void (*write_timestamps_callback_g)(void*, grpc_core::Timestamps*, |
| grpc_error* error) = nullptr; |
| void* (*get_copied_context_fn_g)(void*) = nullptr; |
| } // namespace |
| |
| namespace grpc_core { |
| void ContextList::Append(ContextList** head, grpc_chttp2_stream* s) { |
| if (get_copied_context_fn_g == nullptr || |
| write_timestamps_callback_g == nullptr) { |
| return; |
| } |
| /* Create a new element in the list and add it at the front */ |
| ContextList* elem = grpc_core::New<ContextList>(); |
| elem->trace_context_ = get_copied_context_fn_g(s->context); |
| elem->byte_offset_ = s->byte_counter; |
| elem->next_ = *head; |
| *head = elem; |
| } |
| |
| void ContextList::Execute(void* arg, grpc_core::Timestamps* ts, |
| grpc_error* error) { |
| ContextList* head = static_cast<ContextList*>(arg); |
| ContextList* to_be_freed; |
| while (head != nullptr) { |
| if (write_timestamps_callback_g) { |
| ts->byte_offset = static_cast<uint32_t>(head->byte_offset_); |
| write_timestamps_callback_g(head->trace_context_, ts, error); |
| } |
| to_be_freed = head; |
| head = head->next_; |
| grpc_core::Delete(to_be_freed); |
| } |
| } |
| |
| void grpc_http2_set_write_timestamps_callback(void (*fn)(void*, |
| grpc_core::Timestamps*, |
| grpc_error* error)) { |
| write_timestamps_callback_g = fn; |
| } |
| |
| void grpc_http2_set_fn_get_copied_context(void* (*fn)(void*)) { |
| get_copied_context_fn_g = fn; |
| } |
| } /* namespace grpc_core */ |