X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/67d66b0cf79b9fc02c0450f254584693dbf21d3b..aefe6fe5db48f4b71f9c4d69daf6ac7ebe2fbb01:/include/simgrid/s4u/Link.hpp diff --git a/include/simgrid/s4u/Link.hpp b/include/simgrid/s4u/Link.hpp index c473b1063e..2195c694dd 100644 --- a/include/simgrid/s4u/Link.hpp +++ b/include/simgrid/s4u/Link.hpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2004-2021. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2004-2023. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -31,15 +31,15 @@ namespace s4u { */ class XBT_PUBLIC Link : public xbt::Extendable { #ifndef DOXYGEN - friend kernel::resource::LinkImpl; + friend kernel::resource::StandardLinkImpl; #endif protected: // Links are created from the NetZone, and destroyed by their private implementation when the simulation ends - explicit Link(kernel::resource::LinkImplIntf* pimpl) : pimpl_(pimpl) {} + explicit Link(kernel::resource::LinkImpl* pimpl) : pimpl_(pimpl) {} virtual ~Link() = default; // The implementation that never changes - kernel::resource::LinkImplIntf* const pimpl_; + kernel::resource::LinkImpl* const pimpl_; #ifndef DOXYGEN friend kernel::resource::NetworkAction; // signal comm_state_changed #endif @@ -47,7 +47,7 @@ protected: public: enum class SharingPolicy { NONLINEAR = 4, WIFI = 3, SPLITDUPLEX = 2, SHARED = 1, FATPIPE = 0 }; - kernel::resource::LinkImpl* get_impl() const; + kernel::resource::StandardLinkImpl* get_impl() const; /** @brief Retrieve a link from its name */ static Link* by_name(const std::string& name); @@ -111,6 +111,7 @@ public: * @param limit Number of concurrent flows */ Link* set_concurrency_limit(int limit); + int get_concurrency_limit() const; /** @brief Set the level of communication speed of the given host on this wifi link. * @@ -122,7 +123,10 @@ public: * current function to specify that a given host uses another level of bandwidth. This can be used to take the * location of hosts into account, or even to model mobility in your SimGrid simulation. * - * Note that this function asserts that the link is actually a wifi link */ + * Note that this function asserts that the link is actually a wifi link + * + * warning: in the case where a 0Mbps data rate should be used, set that rate only once during the + * experiment, and don't modify the bandwidth of that host later */ void set_host_wifi_rate(const s4u::Host* host, int level) const; /** @brief Returns the current load (in bytes per second) */ @@ -134,8 +138,11 @@ public: /** @brief Check if the Link is shared (not a FATPIPE) */ bool is_shared() const; + /** Turns the link on. */ void turn_on(); + /** Turns the link off. */ void turn_off(); + /** Checks whether the link is on. */ bool is_on() const; Link* seal(); @@ -165,7 +172,7 @@ public: on_communication_state_change.connect(cb); } /** @brief Add a callback fired when a Link is destroyed */ - static void on_destruction_cb(std::function cb) { on_destruction.connect(cb); } + static void on_destruction_cb(const std::function& cb) { on_destruction.connect(cb); } }; /** @@ -177,7 +184,7 @@ public: */ class XBT_PUBLIC SplitDuplexLink : public Link { public: - explicit SplitDuplexLink(kernel::resource::LinkImplIntf* pimpl) : Link(pimpl) {} + explicit SplitDuplexLink(kernel::resource::LinkImpl* pimpl) : Link(pimpl) {} /** @brief Get the link direction up*/ Link* get_link_up() const; /** @brief Get the link direction down */