third-party/thrift/src/thrift/lib/cpp2/transport/rocket/Types.cpp

   1 /*
   2  * Copyright (c) Meta Platforms, Inc. and affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <thrift/lib/cpp2/transport/rocket/Types.h>
  18
  19 #include <ostream>
  20
  21 namespace apache {
  22 namespace thrift {
  23 namespace rocket {
  24
  25 void Payload::append(Payload&& other) {
  26   // append() reflects how data is received on the wire: all (possibly
  27   // fragmented) metadata arrives first, then the actual data.
  28   // If we are appending a payload that has metadata, then the current payload
  29   // should not have data.
  30   DCHECK(
  31       !other.hasNonemptyMetadata() ||
  32       metadataSize_ == buffer_->computeChainDataLength());
  33
  34   metadataSize_ += other.metadataSize_;
  35   metadataAndDataSize_ += other.metadataAndDataSize_;
  36   buffer_->prependChain(std::move(other.buffer_));
  37 }
  38
  39 std::ostream& operator<<(std::ostream& os, StreamId streamId) {
  40   return os << static_cast<uint32_t>(streamId);
  41 }
  42
  43 } // namespace rocket
  44 } // namespace thrift
  45 } // namespace apache