#define SURF_NETWORK_INTERFACE_HPP_
#include "simgrid/kernel/resource/Model.hpp"
+#include "simgrid/kernel/resource/NetworkModelIntf.hpp"
#include "simgrid/kernel/resource/Resource.hpp"
#include "simgrid/s4u/Link.hpp"
#include "src/kernel/lmm/maxmin.hpp"
+#include "src/surf/LinkImpl.hpp"
#include <xbt/PropertyHolder.hpp>
#include <list>
* @brief SURF network model interface class
* @details A model is an object which handles the interactions between its Resources and its Actions
*/
-class NetworkModel : public Model {
+class NetworkModel : public Model, public NetworkModelIntf {
public:
static config::Flag<double> cfg_tcp_gamma;
static config::Flag<bool> cfg_crosstraffic;
~NetworkModel() override;
/**
- * @brief Create a Link
+ * @brief Create a [WiFi]Link
*
* @param name The name of the Link
- * @param bandwidth The initial bandwidth of the Link in bytes per second
- * @param policy The sharing policy of the Link
+ * @param bandwidths The vector of bandwidths of the Link in bytes per second
*/
- virtual LinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths,
- s4u::Link::SharingPolicy policy) = 0;
+ virtual LinkImpl* create_link(const std::string& name, const std::vector<double>& bandwidths) = 0;
+
+ virtual LinkImpl* create_wifi_link(const std::string& name, const std::vector<double>& bandwidths) = 0;
/**
* @brief Create a communication between two hosts.
* @param size The size of the message.
* @return The latency factor.
*/
- virtual double get_latency_factor(double size);
+ virtual double get_latency_factor(double /* size */) { return sg_latency_factor; }
/**
* @brief Get the right multiplicative factor for the bandwidth.
* @param size The size of the message.
* @return The bandwidth factor.
*/
- virtual double get_bandwidth_factor(double size);
+ virtual double get_bandwidth_factor(double /* size*/) { return sg_bandwidth_factor; }
- /**
- * @brief Get definitive bandwidth.
- * @details It gives the minimum bandwidth between the one that would occur if no limitation was enforced, and the
- * one arbitrary limited.
- * @param rate The desired maximum bandwidth.
- * @param bound The bandwidth with only the network taken into account.
- * @param size The size of the message.
- * @return The new bandwidth.
- */
- virtual double get_bandwidth_constraint(double rate, double bound, double size);
double next_occurring_event_full(double now) override;
- LinkImpl* loopback_ = nullptr;
-};
-
-/************
- * Resource *
- ************/
-/** @ingroup SURF_network_interface
- * @brief SURF network link interface class
- * @details A Link represents the link between two [hosts](@ref simgrid::surf::HostImpl)
- */
-class LinkImpl : public Resource_T<LinkImpl>, public xbt::PropertyHolder {
- s4u::Link piface_;
-
-protected:
- explicit LinkImpl(const std::string& name);
- LinkImpl(const LinkImpl&) = delete;
- LinkImpl& operator=(const LinkImpl&) = delete;
- ~LinkImpl() override = default; // Use destroy() instead of this destructor.
-
-public:
- void destroy(); // Must be called instead of the destructor
-
- void latency_check(double latency);
-
- /** @brief Public interface */
- const s4u::Link* get_iface() const { return &piface_; }
- s4u::Link* get_iface() { return &piface_; }
-
- /** @brief Get the bandwidth in bytes per second of current Link */
- double get_bandwidth() const;
-
- /** @brief Update the bandwidth in bytes per second of current Link */
- virtual void set_bandwidth(double value) = 0;
+ void set_lat_factor_cb(const std::function<NetworkFactorCb>& cb) override { THROW_UNIMPLEMENTED; }
+ void set_bw_factor_cb(const std::function<NetworkFactorCb>& cb) override { THROW_UNIMPLEMENTED; }
- /** @brief Get the latency in seconds of current Link */
- double get_latency() const;
-
- /** @brief Update the latency in seconds of current Link */
- virtual LinkImpl* set_latency(double value) = 0;
-
- /** @brief The sharing policy */
- virtual s4u::Link::SharingPolicy get_sharing_policy() const;
-
- /** @brief Check if the Link is used */
- bool is_used() const override;
-
- void turn_on() override;
- void turn_off() override;
-
- void seal() override;
-
- void on_bandwidth_change() const;
-
- virtual void
- set_bandwidth_profile(kernel::profile::Profile* profile); /*< setup the profile file with bandwidth events
- (peak speed changes due to external load). Trace must
- contain percentages (value between 0 and 1). */
- virtual void
- set_latency_profile(kernel::profile::Profile* profile); /*< setup the trace file with latency events (peak
- latency changes due to external load). Trace must contain
- absolute values */
-
- Metric latency_ = {0.0, 0, nullptr};
- Metric bandwidth_ = {1.0, 0, nullptr};
+ LinkImpl* loopback_ = nullptr;
};
/**********
s4u::Host& get_src() const { return src_; }
s4u::Host& get_dst() const { return dst_; }
};
+
+/* Insert link(s) at the end of vector `result' (at the beginning, and reversed, for insert_link_latency()), and add
+ * link->get_latency() to *latency when latency is not null
+ */
+void add_link_latency(std::vector<LinkImpl*>& result, LinkImpl* link, double* latency);
+void add_link_latency(std::vector<LinkImpl*>& result, const std::vector<LinkImpl*>& links, double* latency);
+void insert_link_latency(std::vector<LinkImpl*>& result, const std::vector<LinkImpl*>& links, double* latency);
+
} // namespace resource
} // namespace kernel
} // namespace simgrid
-/** @ingroup SURF_models
- * @brief The network model
- */
-XBT_PUBLIC_DATA simgrid::kernel::resource::NetworkModel* surf_network_model;
-
#endif /* SURF_NETWORK_INTERFACE_HPP_ */
-
-
