mirror of
https://github.com/mfontanini/libtins
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97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/*
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* Copyright (c) 2012, Nasel
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cstring>
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#include "stp.h"
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namespace Tins {
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STP::STP()
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: _header()
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{
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}
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STP::STP(const uint8_t *buffer, uint32_t total_sz)
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{
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if(total_sz < sizeof(_header))
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throw std::runtime_error("Not enough size.");
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std::memcpy(&_header, buffer ,sizeof(_header));
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}
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void STP::proto_id(uint16_t new_proto_id) {
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_header.proto_id = Endian::host_to_be(new_proto_id);
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}
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void STP::proto_version(uint8_t new_proto_version) {
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_header.proto_version = new_proto_version;
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}
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void STP::bpdu_type(uint8_t new_bpdu_type) {
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_header.bpdu_type = new_bpdu_type;
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}
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void STP::bpdu_flags(uint8_t new_bpdu_flags) {
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_header.bpdu_flags = new_bpdu_flags;
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}
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void STP::root_path_cost(uint32_t new_root_path_cost) {
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_header.root_path_cost = Endian::host_to_be(new_root_path_cost);
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}
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void STP::port_id(uint16_t new_port_id) {
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_header.port_id = Endian::host_to_be(new_port_id);
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}
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void STP::msg_age(uint16_t new_msg_age) {
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_header.msg_age = Endian::host_to_be<uint16_t>(new_msg_age * 256);
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}
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void STP::max_age(uint16_t new_max_age) {
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_header.max_age = Endian::host_to_be<uint16_t>(new_max_age * 256);
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}
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void STP::hello_time(uint16_t new_hello_time) {
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_header.hello_time = Endian::host_to_be<uint16_t>(new_hello_time * 256);
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}
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void STP::fwd_delay(uint16_t new_fwd_delay) {
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_header.fwd_delay = Endian::host_to_be<uint16_t>(new_fwd_delay * 256);
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}
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void STP::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *) {
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}
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uint32_t STP::header_size() const {
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return sizeof(_header);
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}
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}
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