mirror of
https://github.com/OpenVPN/openvpn3.git
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dde1574596
This is the result after running 'clang-format -i' on all C++ files and headers, with the defined formatting rules in .clang-format. Only the openvpn/common/unicode-impl.hpp has been excluded, as that is mostly a copy of an external project. Signed-off-by: David Sommerseth <davids@openvpn.net>
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2022 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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// A queue of datagram buffers for handling sequences of UDP packets
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#ifndef OPENVPN_FRAME_MEMQ_DGRAM_H
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#define OPENVPN_FRAME_MEMQ_DGRAM_H
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#include <openvpn/common/size.hpp>
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#include <openvpn/common/exception.hpp>
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#include <openvpn/buffer/memq.hpp>
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#include <openvpn/frame/frame.hpp>
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namespace openvpn {
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class MemQDgram : public MemQBase
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{
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public:
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OPENVPN_SIMPLE_EXCEPTION(frame_uninitialized);
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MemQDgram()
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{
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}
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explicit MemQDgram(const Frame::Ptr &frame)
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: frame_(frame)
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{
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}
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void set_frame(const Frame::Ptr &frame)
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{
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frame_ = frame;
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}
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size_t pending() const
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{
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return empty() ? 0 : q.front()->size();
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}
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void write(const unsigned char *data, size_t size)
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{
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if (frame_)
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{
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const Frame::Context &fc = (*frame_)[Frame::READ_BIO_MEMQ_STREAM];
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q.push_back(fc.copy(data, size));
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length += size;
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}
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else
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throw frame_uninitialized();
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}
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size_t read(unsigned char *data, size_t len)
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{
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BufferPtr &b = q.front();
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if (len > b->size())
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len = b->size();
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b->read(data, len);
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if (b->empty())
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q.pop_front();
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length -= len;
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return len;
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}
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private:
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Frame::Ptr frame_;
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};
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} // namespace openvpn
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#endif // OPENVPN_FRAME_MEMQ_DGRAM_H
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