1 /* Copyright (c) 2016-2017. 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_S4U_NETZONE_HPP
7 #define SIMGRID_S4U_NETZONE_HPP
10 #include <unordered_map>
15 #include <xbt/graph.h>
16 #include <xbt/signal.hpp>
18 #include <simgrid/s4u/forward.hpp>
33 /** @brief Networking Zones
35 * A netzone is a network container, in charge of routing information between elements (hosts) and to the nearby
36 * netzones. In SimGrid, there is a hierarchy of netzones, with a unique root zone (that you can retrieve from the
39 XBT_PUBLIC_CLASS NetZone
42 friend simgrid::kernel::routing::NetZoneImpl;
44 explicit NetZone(NetZone * father, std::string name);
48 /** @brief Seal your netzone once you're done adding content, and before routing stuff through it */
50 /** @brief Retrieves the name of that netzone as a C++ string */
51 const std::string& getName() const { return name_; }
52 /** @brief Retrieves the name of that netzone as a C string */
53 const char* getCname() const;
56 std::vector<NetZone*>* getChildren(); // Sub netzones
57 void getHosts(std::vector<s4u::Host*> * whereto); // retrieve my content as a vector of hosts
59 /** Get the properties assigned to a host */
60 std::unordered_map<std::string, std::string>* getProperties();
62 /** Retrieve the property value (or nullptr if not set) */
63 const char* getProperty(const char* key);
64 void setProperty(const char* key, const char* value);
66 /* Add content to the netzone, at parsing time. It should be sealed afterward. */
67 virtual int addComponent(kernel::routing::NetPoint * elm); /* A host, a router or a netzone, whatever */
68 virtual void addRoute(kernel::routing::NetPoint * src, kernel::routing::NetPoint * dst,
69 kernel::routing::NetPoint * gw_src, kernel::routing::NetPoint * gw_dst,
70 std::vector<simgrid::surf::LinkImpl*> & link_list, bool symmetrical);
71 virtual void addBypassRoute(kernel::routing::NetPoint * src, kernel::routing::NetPoint * dst,
72 kernel::routing::NetPoint * gw_src, kernel::routing::NetPoint * gw_dst,
73 std::vector<simgrid::surf::LinkImpl*> & link_list, bool symmetrical) = 0;
75 /*** Called on each newly created regular route (not on bypass routes) */
76 static simgrid::xbt::signal<void(bool symmetrical, kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
77 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
78 std::vector<surf::LinkImpl*>& link_list)>
80 static simgrid::xbt::signal<void(NetZone&)> onCreation;
81 static simgrid::xbt::signal<void(NetZone&)> onSeal;
84 unsigned int getTableSize() { return vertices_.size(); }
85 std::vector<kernel::routing::NetPoint*> getVertices() { return vertices_; }
88 // our content, as known to our graph routing algorithm (maps vertexId -> vertex)
89 std::vector<kernel::routing::NetPoint*> vertices_;
91 std::unordered_map<std::string, std::string> properties_;
92 NetZone* father_ = nullptr;
95 bool sealed_ = false; // We cannot add more content when sealed
97 std::vector<NetZone*>* children_ = nullptr; // sub-netzones
100 }; // Namespace simgrid::s4u
102 #endif /* SIMGRID_S4U_NETZONE_HPP */