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/*
*
* 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 */
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