1 /* Copyright (c) 2006-2016. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "src/simdag/simdag_private.h"
8 #include "simgrid/s4u/host.hpp"
9 #include "src/surf/HostImpl.hpp"
10 #include "surf/surf.h"
12 /** @brief Returns the route between two workstations
14 * Use SD_route_get_size() to know the array size.
17 * \param dst another host
18 * \return an array of the \ref SD_link_t composing the route
19 * \see SD_route_get_size(), SD_link_t
21 SD_link_t *SD_route_get_list(sg_host_t src, sg_host_t dst)
23 std::vector<Link*> *route = new std::vector<Link*>();
24 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, NULL);
27 SD_link_t *list = xbt_new(SD_link_t, route->size());
28 for (auto link : *route)
36 * \brief Returns the number of links on the route between two workstations
38 * \param src a workstation
39 * \param dst another workstation
40 * \return the number of links on the route between these two workstations
41 * \see SD_route_get_list()
43 int SD_route_get_size(sg_host_t src, sg_host_t dst)
45 std::vector<Link*> *route = new std::vector<Link*>();
46 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, NULL);
47 int size = route->size();
53 * \brief Returns the latency of the route between two workstations.
55 * \param src the first workstation
56 * \param dst the second workstation
57 * \return the latency of the route between the two workstations (in seconds)
58 * \see SD_route_get_bandwidth()
60 double SD_route_get_latency(sg_host_t src, sg_host_t dst)
63 std::vector<Link*> *route = new std::vector<Link*>();
64 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, &latency);
71 * \brief Returns the bandwidth of the route between two workstations,
72 * i.e. the minimum link bandwidth of all between the workstations.
74 * \param src the first workstation
75 * \param dst the second workstation
76 * \return the bandwidth of the route between the two workstations (in bytes/second)
77 * \see SD_route_get_latency()
79 double SD_route_get_bandwidth(sg_host_t src, sg_host_t dst)
81 double min_bandwidth = -1.0;
83 std::vector<Link*> *route = new std::vector<Link*>();
84 routing_platf->getRouteAndLatency(src->pimpl_netcard, dst->pimpl_netcard, route, NULL);
86 for (auto link : *route) {
87 double bandwidth = sg_link_bandwidth(link);
88 if (bandwidth < min_bandwidth || min_bandwidth == -1.0)
89 min_bandwidth = bandwidth;