1 /* Copyright (c) 2004-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_KERNEL_RESOURCE_NETWORKMODELFACTORS_HPP
7 #define SIMGRID_KERNEL_RESOURCE_NETWORKMODELFACTORS_HPP
9 #include "simgrid/sg_config.hpp"
10 #include "xbt/asserts.h"
11 #include <simgrid/forward.h>
13 #include <unordered_set>
16 namespace simgrid::kernel::resource {
18 /** @ingroup SURF_interface
19 * @brief Network Model interface class
21 class XBT_PUBLIC NetworkModelIntf {
22 using NetworkFactorCb = double(double size, const s4u::Host* src, const s4u::Host* dst,
23 const std::vector<s4u::Link*>& links,
24 const std::unordered_set<s4u::NetZone*>& netzones);
27 std::function<NetworkFactorCb> lat_factor_cb_;
28 std::function<NetworkFactorCb> bw_factor_cb_;
32 * @brief Callback to set the bandwidth and latency factors used in a communication
34 * This callback offers more flexibility when setting the network factors.
35 * It is an alternative to SimGrid's configs, such as network/latency-factors
36 * and network/bandwidth-factors.
38 * @param size Communication size in bytes
39 * @param src Source host
40 * @param dst Destination host
41 * @param links Vectors with the links used in this comm
42 * @param netzones Set with NetZones involved in the comm
43 * @return Multiply factor
45 /** @brief Configure the latency factor callback */
46 void set_lat_factor_cb(const std::function<NetworkFactorCb>& cb);
48 /** @brief Configure the bandwidth factor callback */
49 void set_bw_factor_cb(const std::function<NetworkFactorCb>& cb);
52 } // namespace simgrid::kernel::resource
54 #endif /* SIMGRID_KERNEL_RESOURCE_NETWORKMODELINTF_HPP */