src/surf/network_interface.cpp

   1 /* Copyright (c) 2013-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   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. */
   6
   7 #include "network_interface.hpp"
   8 #include "simgrid/sg_config.h"
   9
  10 #ifndef NETWORK_INTERFACE_CPP_
  11 #define NETWORK_INTERFACE_CPP_
  12
  13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
  14                                 "Logging specific to the SURF network module");
  15
  16 /*************
  17  * Callbacks *
  18  *************/
  19
  20 surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks;
  21 surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks;
  22 surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks;
  23 surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks;
  24
  25 /*********
  26  * Model *
  27  *********/
  28
  29 NetworkModelPtr surf_network_model = NULL;
  30
  31 xbt_dynar_t NetworkModel::getRoute(RoutingEdgePtr src, RoutingEdgePtr dst)
  32 {
  33   xbt_dynar_t route = NULL;
  34   routing_platf->getRouteAndLatency(src, dst, &route, NULL);
  35   return route;
  36 }
  37
  38 double NetworkModel::latencyFactor(double /*size*/) {
  39   return sg_latency_factor;
  40 }
  41
  42 double NetworkModel::bandwidthFactor(double /*size*/) {
  43   return sg_bandwidth_factor;
  44 }
  45
  46 double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
  47   return rate;
  48 }
  49
  50 /************
  51  * Resource *
  52  ************/
  53
  54 NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props)
  55 : Resource(model, name, props)
  56 , p_latEvent(NULL)
  57 {
  58   surf_callback_emit(networkLinkCreatedCallbacks, this);
  59 }
  60
  61 NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props,
  62                                  lmm_constraint_t constraint,
  63                              tmgr_history_t history,
  64                              tmgr_trace_t state_trace)
  65 : Resource(model, name, props, constraint),
  66   p_latEvent(NULL)
  67 {
  68   surf_callback_emit(networkLinkCreatedCallbacks, this);
  69   if (state_trace)
  70     p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, static_cast<ResourcePtr>(this));
  71 }
  72
  73 NetworkLink::~NetworkLink()
  74 {
  75   surf_callback_emit(networkLinkDestructedCallbacks, this);
  76 }
  77
  78 bool NetworkLink::isUsed()
  79 {
  80   return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
  81 }
  82
  83 double NetworkLink::getLatency()
  84 {
  85   return m_latCurrent;
  86 }
  87
  88 double NetworkLink::getBandwidth()
  89 {
  90   return p_power.peak * p_power.scale;
  91 }
  92
  93 bool NetworkLink::isShared()
  94 {
  95   return lmm_constraint_is_shared(getConstraint());
  96 }
  97
  98 void NetworkLink::setState(e_surf_resource_state_t state){
  99   Resource::setState(state);
 100   surf_callback_emit(networkLinkStateChangedCallbacks, this);
 101 }
 102
 103 /**********
 104  * Action *
 105  **********/
 106
 107 void NetworkAction::setState(e_surf_action_state_t state){
 108   Action::setState(state);
 109   surf_callback_emit(networkActionStateChangedCallbacks, this);
 110 }
 111
 112 #endif /* NETWORK_INTERFACE_CPP_ */