84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#ifndef SCATTERED_MESSAGE_HH
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#define SCATTERED_MESSAGE_HH
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#include "core/reactor.hh"
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#include "core/deleter.hh"
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#include "core/temporary_buffer.hh"
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#include "net/packet.hh"
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#include <memory>
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#include <vector>
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template <typename CharType>
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class scattered_message {
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private:
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using fragment = net::fragment;
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using packet = net::packet;
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using char_type = CharType;
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packet _p;
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public:
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scattered_message() {}
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scattered_message(scattered_message&&) = default;
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scattered_message(const scattered_message&) = delete;
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void append_static(const char_type* buf, size_t size) {
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if (size) {
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_p = packet(std::move(_p), fragment{(char_type*)buf, size}, deleter());
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}
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}
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template <size_t N>
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void append_static(const char_type(&s)[N]) {
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append_static(s, N - 1);
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}
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void append_static(const char_type* s) {
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append_static(s, strlen(s));
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}
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template <typename size_type, size_type max_size>
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void append_static(const basic_sstring<char_type, size_type, max_size>& s) {
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append_static(s.begin(), s.size());
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}
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template <typename size_type, size_type max_size>
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void append(basic_sstring<char_type, size_type, max_size> s) {
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if (s.size()) {
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_p = packet(std::move(_p), std::move(s).release());
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}
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}
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template <typename size_type, size_type max_size, typename Callback>
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void append(const basic_sstring<char_type, size_type, max_size>& s, Callback callback) {
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if (s.size()) {
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_p = packet(std::move(_p), fragment{s.begin(), s.size()}, make_deleter(std::move(callback)));
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}
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}
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void reserve(int n_frags) {
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_p.reserve(n_frags);
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}
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packet release() && {
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return std::move(_p);
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}
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template <typename Callback>
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void on_delete(Callback callback) {
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_p = packet(std::move(_p), std::move(callback));
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}
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operator bool() const {
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return _p.len();
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}
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size_t size() {
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return _p.len();
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}
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};
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#endif
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