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;
40 NetZone* get_father();
42 std::vector<NetZone*>* getChildren(); // Sub netzones
43 void getHosts(std::vector<s4u::Host*> * whereto); // retrieve my content as a vector of hosts
46 /** Get the properties assigned to a host */
47 std::unordered_map<std::string, std::string>* getProperties();
49 /** Retrieve the property value (or nullptr if not set) */
50 const char* getProperty(const char* key);
51 void setProperty(const char* key, const char* value);
53 /* Add content to the netzone, at parsing time. It should be sealed afterward. */
54 virtual int addComponent(kernel::routing::NetPoint * elm); /* A host, a router or a netzone, whatever */
55 virtual void add_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
56 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
57 std::vector<kernel::resource::LinkImpl*>& link_list, bool symmetrical);
58 virtual void add_bypass_route(kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
59 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
60 std::vector<kernel::resource::LinkImpl*>& link_list, bool symmetrical) = 0;
62 /*** Called on each newly created regular route (not on bypass routes) */
63 static simgrid::xbt::signal<void(bool symmetrical, kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst,
64 kernel::routing::NetPoint* gw_src, kernel::routing::NetPoint* gw_dst,
65 std::vector<kernel::resource::LinkImpl*>& link_list)>
67 static simgrid::xbt::signal<void(NetZone&)> on_creation;
68 static simgrid::xbt::signal<void(NetZone&)> on_seal;
70 // Deprecation wrappers
71 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::get_father()") NetZone* getFather() { return get_father(); }
72 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::get_name()") const std::string& getName() const { return get_name(); }
73 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::get_cname()") const char* getCname() const { return get_cname(); }
74 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::add_route()") void addRoute(
75 kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst, kernel::routing::NetPoint* gw_src,
76 kernel::routing::NetPoint* gw_dst, std::vector<simgrid::kernel::resource::LinkImpl*>& link_list, bool symmetrical)
78 add_route(src, dst, gw_src, gw_dst, link_list, symmetrical);
80 XBT_ATTRIB_DEPRECATED_v323("Please use NetZone::add_bypass_route()") void addBypassRoute(
81 kernel::routing::NetPoint* src, kernel::routing::NetPoint* dst, kernel::routing::NetPoint* gw_src,
82 kernel::routing::NetPoint* gw_dst, std::vector<simgrid::kernel::resource::LinkImpl*>& link_list, bool symmetrical)
84 add_bypass_route(src, dst, gw_src, gw_dst, link_list, symmetrical);
88 unsigned int getTableSize() { return vertices_.size(); }
89 std::vector<kernel::routing::NetPoint*> getVertices() { return vertices_; }
92 // our content, as known to our graph routing algorithm (maps vertexId -> vertex)
93 std::vector<kernel::routing::NetPoint*> vertices_;
95 std::unordered_map<std::string, std::string> properties_;
96 NetZone* father_ = nullptr;
99 bool sealed_ = false; // We cannot add more content when sealed
101 std::vector<NetZone*>* children_ = nullptr; // sub-netzones
104 }; // Namespace simgrid::s4u
106 #endif /* SIMGRID_S4U_NETZONE_HPP */