mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 12:12:15 +02:00
9b753715df
of network buffers on stream-based protocols.
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
|
|
// over a single port, with support for SSL/TLS-based
|
|
// session authentication and key exchange,
|
|
// packet encryption, packet authentication, and
|
|
// packet compression.
|
|
//
|
|
// Copyright (C) 2012-2015 OpenVPN Technologies, Inc.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License Version 3
|
|
// as published by the Free Software Foundation.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program in the COPYING file.
|
|
// If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// For debugging, reduce effective buffer size for I/O.
|
|
// Enable by defining OPENVPN_BUF_CLAMP_READ and/or OPENVPN_BUF_CLAMP_WRITE
|
|
|
|
#ifndef OPENVPN_BUFFER_BUFCLAMP_H
|
|
#define OPENVPN_BUFFER_BUFCLAMP_H
|
|
|
|
#include <algorithm>
|
|
|
|
#include <openvpn/common/size.hpp>
|
|
|
|
namespace openvpn {
|
|
inline size_t buf_clamp_read(const size_t size)
|
|
{
|
|
#ifdef OPENVPN_BUF_CLAMP_READ
|
|
return std::min(size, size_t(OPENVPN_BUF_CLAMP_READ));
|
|
#else
|
|
return size;
|
|
#endif
|
|
}
|
|
|
|
inline size_t buf_clamp_write(const size_t size)
|
|
{
|
|
#ifdef OPENVPN_BUF_CLAMP_WRITE
|
|
return std::min(size, size_t(OPENVPN_BUF_CLAMP_WRITE));
|
|
#else
|
|
return size;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#endif
|