1 /* Copyright (c) 2016-2018. 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
9 #include <simgrid/forward.h>
10 #include <xbt/signal.hpp>
13 #include <unordered_map>
20 /** @brief Networking Zones
22 * A netzone is a network container, in charge of routing information between elements (hosts) and to the nearby
23 * netzones. In SimGrid, there is a hierarchy of netzones, with a unique root zone (that you can retrieve from the
26 class XBT_PUBLIC NetZone {
28 friend simgrid::kernel::routing::NetZoneImpl;
30 explicit NetZone(NetZone * father, std::string name);
34 /** @brief Seal your netzone once you're done adding content, and before routing stuff through it */
36 /** @brief Retrieves the name of that netzone as a C++ string */
37 const std::string& get_name() const { return name_; }
38 /** @brief Retrieves the name of that netzone as a C string */
39 const char* get_cname() const;
42 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::get_name()") const std::string& getName() const { return get_name(); }
43 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::get_cname()") const char* getCname() const { return get_cname(); }
44 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::add_route()") void addRoute(
45 kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst, kernel::routing::NetPoint* gw_src,
46 kernel::routing::NetPoint* gw_dst, std::vector<simgrid::kernel::resource::LinkImpl*>& link_list, bool symmetrical)
48 add_route(src, dst, gw_src, gw_dst, link_list, symmetrical);
50 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::add_bypass_route()") void addBypassRoute(
51 kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst, kernel::routing::NetPoint* gw_src,
52 kernel::routing::NetPoint* gw_dst, std::vector<simgrid::kernel::resource::LinkImpl*>& link_list, bool symmetrical)
54 add_bypass_route(src, dst, gw_src, gw_dst, link_list, symmetrical);
57 std::vector<NetZone*>* getChildren(); // Sub netzones
58 void getHosts(std::vector<s4u::Host*> * whereto); // retrieve my content as a vector of hosts
61 /** Get the properties assigned to a host */
62 std::unordered_map<std::string, std::string>* getProperties();
64 /** Retrieve the property value (or nullptr if not set) */
65 const char* getProperty(const char* key);
66 void setProperty(const char* key, const char* value);
68 /* Add content to the netzone, at parsing time. It should be sealed afterward. */
69 virtual int addComponent(kernel::routing::NetPoint * elm); /* A host, a router or a netzone, whatever */
70 virtual void add_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
71 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
72 std::vector<kernel::resource::LinkImpl*>& link_list, bool symmetrical);
73 virtual void add_bypass_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
74 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
75 std::vector<kernel::resource::LinkImpl*>& link_list, bool symmetrical) = 0;
77 /*** Called on each newly created regular route (not on bypass routes) */
78 static simgrid::xbt::signal<void(bool symmetrical, kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
79 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
80 std::vector<kernel::resource::LinkImpl*>& link_list)>
82 static simgrid::xbt::signal<void(NetZone&)> onCreation;
83 static simgrid::xbt::signal<void(NetZone&)> onSeal;
86 unsigned int getTableSize() { return vertices_.size(); }
87 std::vector<kernel::routing::NetPoint*> getVertices() { return vertices_; }
90 // our content, as known to our graph routing algorithm (maps vertexId -> vertex)
91 std::vector<kernel::routing::NetPoint*> vertices_;
93 std::unordered_map<std::string, std::string> properties_;
94 NetZone* father_ = nullptr;
97 bool sealed_ = false; // We cannot add more content when sealed
99 std::vector<NetZone*>* children_ = nullptr; // sub-netzones
102 }; // Namespace simgrid::s4u
104 #endif /* SIMGRID_S4U_NETZONE_HPP */