Files
scylladb/net/packet-data-source.hh
2014-10-15 15:50:46 +02:00

36 lines
963 B
C++

#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>(0));
}
};
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