Files
scylladb/net/packet-data-source.hh
Avi Kivity 7f8d88371a Add LICENSE, NOTICE, and copyright headers to all source files.
The two files imported from the OSv project retain their original licenses.
2015-02-19 16:52:34 +02:00

53 lines
1.7 KiB
C++

/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. 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.
*/
#ifndef _PACKET_DATA_SOURCE_HH
#define _PACKET_DATA_SOURCE_HH
#include "core/reactor.hh"
#include "net/packet.hh"
namespace net {
class packet_data_source final : public data_source_impl {
size_t _cur_frag = 0;
packet _p;
public:
explicit packet_data_source(net::packet&& p)
: _p(std::move(p))
{}
virtual future<temporary_buffer<char>> get() override {
if (_cur_frag != _p.nr_frags()) {
auto& f = _p.fragments()[_cur_frag++];
return make_ready_future<temporary_buffer<char>>(
temporary_buffer<char>(f.base, f.size,
make_deleter(deleter(), [p = _p.share()] () mutable {})));
}
return make_ready_future<temporary_buffer<char>>(temporary_buffer<char>());
}
};
static inline
input_stream<char> as_input_stream(packet&& p) {
return input_stream<char>(data_source(std::make_unique<packet_data_source>(std::move(p))));
}
}
#endif