94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/*
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Copyright (c) 2013-2014, Matthias Schiffer <mschiffer@universe-factory.net>
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All rights reserved.
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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 met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (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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#pragma once
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#include "types.hpp"
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#include <memory>
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#include <unordered_set>
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namespace MMSS {
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class network_t : public nocopy_t {
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private:
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context_t *mmss;
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std::string name;
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size_t mtu;
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unsigned rand_seed;
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// packet loss
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float etx_min;
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float etx_max;
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float period;
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float phase;
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std::unordered_set<std::shared_ptr<iface_t>> interfaces;
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float get_etx() const;
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bool drop_packet();
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void enqueue(const void *data, size_t len, const iface_t *src_iface, const std::shared_ptr<iface_t> &dest_iface);
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public:
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network_t(context_t *mmss0, const std::string &name0, unsigned rand_seed0)
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: mmss(mmss0), name(name0), mtu(1500), rand_seed(rand_seed0), etx_min(1), etx_max(1) {}
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void set_packet_loss(float etx) {
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etx_min = etx_max = etx;
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}
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void set_packet_loss(float etx_min0, float etx_max0, float period0, float phase0) {
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etx_min = etx_min0;
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etx_max = etx_max0;
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period = period0;
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phase = phase0;
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}
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void add_iface(const std::shared_ptr<iface_t> &iface) {
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interfaces.insert(iface);
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}
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context_t* get_context() const {
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return mmss;
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}
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const std::string& get_name() const {
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return name;
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}
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size_t get_mtu() const {
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return mtu;
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}
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void send(const void *data, size_t len, const iface_t *src_iface, const gmrf_addr_t *dest);
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void send_bc(const void *data, size_t len, const iface_t *src_iface);
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};
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}
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