1 /* Copyright (c) 2013-2014. 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 "network_interface.hpp"
8 #include "simgrid/sg_config.h"
10 #ifndef NETWORK_INTERFACE_CPP_
11 #define NETWORK_INTERFACE_CPP_
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
14 "Logging specific to the SURF network module");
20 surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks;
21 surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks;
22 surf_callback(void, NetworkLinkPtr, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks;
23 surf_callback(void, NetworkActionPtr, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks;
24 surf_callback(void, NetworkActionPtr, RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate) networkCommunicateCallbacks;
26 void netlink_parse_init(sg_platf_link_cbarg_t link){
27 if (link->policy == SURF_LINK_FULLDUPLEX) {
29 link_id = bprintf("%s_UP", link->id);
30 surf_network_model->createNetworkLink(link_id,
32 link->bandwidth_trace,
36 link->state_trace, link->policy, link->properties);
38 link_id = bprintf("%s_DOWN", link->id);
39 surf_network_model->createNetworkLink(link_id,
41 link->bandwidth_trace,
45 link->state_trace, link->policy, link->properties);
48 surf_network_model->createNetworkLink(link->id,
50 link->bandwidth_trace,
54 link->state_trace, link->policy, link->properties);
58 void net_add_traces(){
59 surf_network_model->addTraces();
66 NetworkModelPtr surf_network_model = NULL;
68 double NetworkModel::latencyFactor(double /*size*/) {
69 return sg_latency_factor;
72 double NetworkModel::bandwidthFactor(double /*size*/) {
73 return sg_bandwidth_factor;
76 double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
80 double NetworkModel::shareResourcesFull(double now)
82 NetworkActionPtr action = NULL;
83 ActionListPtr runningActions = surf_network_model->getRunningActionSet();
86 minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve);
88 for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end())
89 ; it != itend ; ++it) {
90 action = static_cast<NetworkActionPtr>(&*it);
91 #ifdef HAVE_LATENCY_BOUND_TRACKING
92 if (lmm_is_variable_limited_by_latency(action->getVariable())) {
93 action->m_latencyLimited = 1;
95 action->m_latencyLimited = 0;
98 if (action->m_latency > 0) {
99 minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency);
103 XBT_DEBUG("Min of share resources %f", minRes);
112 NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props)
113 : Resource(model, name, props)
116 surf_callback_emit(networkLinkCreatedCallbacks, this);
119 NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props,
120 lmm_constraint_t constraint,
121 tmgr_history_t history,
122 tmgr_trace_t state_trace)
123 : Resource(model, name, props, constraint),
126 surf_callback_emit(networkLinkCreatedCallbacks, this);
128 p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
131 NetworkLink::~NetworkLink()
133 surf_callback_emit(networkLinkDestructedCallbacks, this);
136 bool NetworkLink::isUsed()
138 return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
141 double NetworkLink::getLatency()
146 double NetworkLink::getBandwidth()
148 return p_power.peak * p_power.scale;
151 bool NetworkLink::isShared()
153 return lmm_constraint_is_shared(getConstraint());
156 void NetworkLink::setState(e_surf_resource_state_t state){
157 e_surf_resource_state_t old = Resource::getState();
158 Resource::setState(state);
159 surf_callback_emit(networkLinkStateChangedCallbacks, this, old, state);
166 void NetworkAction::setState(e_surf_action_state_t state){
167 e_surf_action_state_t old = getState();
168 Action::setState(state);
169 surf_callback_emit(networkActionStateChangedCallbacks, this, old, state);
172 #endif /* NETWORK_INTERFACE_CPP_ */