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_SDLINKIMPL_HPP
7 #define SIMGRID_KERNEL_RESOURCE_SDLINKIMPL_HPP
9 #include "src/kernel/resource/LinkImpl.hpp"
10 #include "src/kernel/resource/StandardLinkImpl.hpp"
12 namespace simgrid::kernel::resource {
17 /** @ingroup SURF_network_interface
18 * @brief SURF network link interface class
19 * @details A Link represents the link between two [hosts](@ref HostImpl)
21 class SplitDuplexLinkImpl : public LinkImpl {
22 s4u::SplitDuplexLink piface_;
23 StandardLinkImpl* link_up_;
24 StandardLinkImpl* link_down_;
27 SplitDuplexLinkImpl(const StandardLinkImpl&) = delete;
28 SplitDuplexLinkImpl& operator=(const StandardLinkImpl&) = delete;
31 SplitDuplexLinkImpl(const std::string& name, StandardLinkImpl* link_up, StandardLinkImpl* link_down);
32 /** @brief Public interface */
33 const s4u::SplitDuplexLink* get_iface() const { return &piface_; }
34 s4u::SplitDuplexLink* get_iface() { return &piface_; }
36 /** @brief Get the bandwidth in bytes per second of current Link */
37 double get_bandwidth() const override { return link_up_->get_bandwidth(); }
38 void set_bandwidth(double value) override;
40 /** @brief Get the latency in seconds of current Link */
41 double get_latency() const override { return link_up_->get_latency(); }
42 void set_latency(double value) override;
44 /** @brief The sharing policy */
45 void set_sharing_policy(s4u::Link::SharingPolicy policy, const s4u::NonLinearResourceCb& cb) override;
46 s4u::Link::SharingPolicy get_sharing_policy() const override { return s4u::Link::SharingPolicy::SPLITDUPLEX; }
48 /** @brief Get link composing this split-duplex link */
49 s4u::Link* get_link_up() const { return link_up_->get_iface(); }
50 s4u::Link* get_link_down() const { return link_down_->get_iface(); }
52 /** @brief Check if the Link is used */
53 bool is_used() const override;
55 void turn_on() override;
56 void turn_off() override;
60 void apply_event(profile::Event* event, double value) override;
62 /* setup the profile file with bandwidth events (peak speed changes due to external load).
63 * Profile must contain percentages (value between 0 and 1). */
64 void set_bandwidth_profile(kernel::profile::Profile* profile) override;
65 /* setup the profile file with latency events (peak latency changes due to external load).
66 * Profile must contain absolute values */
67 void set_latency_profile(kernel::profile::Profile* profile) override;
68 void set_concurrency_limit(int limit) const override;
71 } // namespace simgrid::kernel::resource
73 #endif /* SIMGRID_KERNEL_RESOURCE_SDLINKIMPL_HPP */