-/*
- * network_interface.cpp
- *
- * Created on: Nov 29, 2013
- * Author: bedaride
- */
+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#include "network_interface.hpp"
#include "simgrid/sg_config.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
"Logging specific to the SURF network module");
-NetworkModelPtr surf_network_model = NULL;
+/*********
+ * C API *
+ *********/
+SG_BEGIN_DECL()
+int sg_link_is_shared(Link *link){
+ return link->isShared();
+}
+double sg_link_bandwidth(Link *link){
+ return link->getBandwidth();
+}
+double sg_link_latency(Link *link){
+ return link->getLatency();
+}
+const char* sg_link_name(Link *link) {
+ return link->getName();
+}
+void* sg_link_data(Link *link) {
+ return link->getData();
+}
+void sg_link_data_set(Link *link,void *data) {
+ link->setData(data);
+}
-xbt_dynar_t NetworkModel::getRoute(RoutingEdgePtr src, RoutingEdgePtr dst)
-{
- xbt_dynar_t route = NULL;
- routing_platf->getRouteAndLatency(src, dst, &route, NULL);
- return route;
+SG_END_DECL()
+
+/*************
+ * Callbacks *
+ *************/
+
+surf_callback(void, Link*) networkLinkCreatedCallbacks;
+surf_callback(void, Link*) networkLinkDestructedCallbacks;
+surf_callback(void, Link*, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks;
+surf_callback(void, NetworkActionPtr, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks;
+surf_callback(void, NetworkActionPtr, RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate) networkCommunicateCallbacks;
+
+void netlink_parse_init(sg_platf_link_cbarg_t link){
+ if (link->policy == SURF_LINK_FULLDUPLEX) {
+ char *link_id;
+ link_id = bprintf("%s_UP", link->id);
+ surf_network_model->createLink(link_id,
+ link->bandwidth,
+ link->bandwidth_trace,
+ link->latency,
+ link->latency_trace,
+ link->state,
+ link->state_trace, link->policy, link->properties);
+ xbt_free(link_id);
+ link_id = bprintf("%s_DOWN", link->id);
+ surf_network_model->createLink(link_id,
+ link->bandwidth,
+ link->bandwidth_trace,
+ link->latency,
+ link->latency_trace,
+ link->state,
+ link->state_trace, link->policy, link->properties);
+ xbt_free(link_id);
+ } else {
+ surf_network_model->createLink(link->id,
+ link->bandwidth,
+ link->bandwidth_trace,
+ link->latency,
+ link->latency_trace,
+ link->state,
+ link->state_trace, link->policy, link->properties);
+ }
}
+void net_add_traces(){
+ surf_network_model->addTraces();
+}
+
+/*********
+ * Model *
+ *********/
+
+NetworkModelPtr surf_network_model = NULL;
+
double NetworkModel::latencyFactor(double /*size*/) {
return sg_latency_factor;
}
return rate;
}
-NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props)
+double NetworkModel::shareResourcesFull(double now)
+{
+ NetworkActionPtr action = NULL;
+ ActionListPtr runningActions = surf_network_model->getRunningActionSet();
+ double minRes;
+
+ minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve);
+
+ for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end())
+ ; it != itend ; ++it) {
+ action = static_cast<NetworkActionPtr>(&*it);
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+ if (lmm_is_variable_limited_by_latency(action->getVariable())) {
+ action->m_latencyLimited = 1;
+ } else {
+ action->m_latencyLimited = 0;
+ }
+#endif
+ if (action->m_latency > 0) {
+ minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency);
+ }
+ }
+
+ XBT_DEBUG("Min of share resources %f", minRes);
+
+ return minRes;
+}
+
+/************
+ * Resource *
+ ************/
+
+Link::Link(NetworkModelPtr model, const char *name, xbt_dict_t props)
: Resource(model, name, props)
, p_latEvent(NULL)
-{}
+{
+ surf_callback_emit(networkLinkCreatedCallbacks, this);
+}
-NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props,
+Link::Link(NetworkModelPtr model, const char *name, xbt_dict_t props,
lmm_constraint_t constraint,
tmgr_history_t history,
tmgr_trace_t state_trace)
: Resource(model, name, props, constraint),
p_latEvent(NULL)
{
+ surf_callback_emit(networkLinkCreatedCallbacks, this);
if (state_trace)
- p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, static_cast<ResourcePtr>(this));
+ p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
}
-bool NetworkLink::isUsed()
+Link::~Link()
+{
+ surf_callback_emit(networkLinkDestructedCallbacks, this);
+}
+
+bool Link::isUsed()
{
return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
}
-double NetworkLink::getLatency()
+double Link::getLatency()
{
return m_latCurrent;
}
-double NetworkLink::getBandwidth()
+double Link::getBandwidth()
{
return p_power.peak * p_power.scale;
}
-bool NetworkLink::isShared()
+bool Link::isShared()
{
return lmm_constraint_is_shared(getConstraint());
}
+void Link::setState(e_surf_resource_state_t state){
+ e_surf_resource_state_t old = Resource::getState();
+ Resource::setState(state);
+ surf_callback_emit(networkLinkStateChangedCallbacks, this, old, state);
+}
+
+/**********
+ * Action *
+ **********/
+
+void NetworkAction::setState(e_surf_action_state_t state){
+ e_surf_action_state_t old = getState();
+ Action::setState(state);
+ surf_callback_emit(networkActionStateChangedCallbacks, this, old, state);
+}
+
#endif /* NETWORK_INTERFACE_CPP_ */
