-/* Copyright (c) 2004-2014. The SimGrid Team.
+/* Copyright (c) 2004-2015. 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. */
+#ifndef SURF_NETWORK_INTERFACE_HPP_
+#define SURF_NETWORK_INTERFACE_HPP_
+
+#include <xbt/base.h>
+
+#include <boost/unordered_map.hpp>
+
+#include "xbt/fifo.h"
+#include "xbt/dict.h"
#include "surf_interface.hpp"
#include "surf_routing.hpp"
-#ifndef SURF_NETWORK_INTERFACE_HPP_
-#define SURF_NETWORK_INTERFACE_HPP_
+#include "simgrid/link.h"
/***********
* Classes *
***********/
class NetworkModel;
-typedef NetworkModel *NetworkModelPtr;
-
-class NetworkLink;
-typedef NetworkLink *NetworkLinkPtr;
-
class NetworkAction;
-typedef NetworkAction *NetworkActionPtr;
/*************
* Callbacks *
*************/
/** @ingroup SURF_callbacks
- * @brief Callbacks handler which emit the callbacks after NetworkLink creation *
- * @details Callback functions have the following signature: `void(NetworkLinkPtr)`
+ * @brief Callbacks handler which emits the callbacks after Link creation
+ * @details Callback functions have the following signature: `void(Link*)`
+ */
+XBT_PUBLIC_DATA( surf_callback(void, Link*)) networkLinkCreatedCallbacks;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks handler which emits the callbacks after Link destruction
+ * @details Callback functions have the following signature: `void(Link*)`
*/
-extern surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks;
+XBT_PUBLIC_DATA( surf_callback(void, Link*)) networkLinkDestructedCallbacks;
/** @ingroup SURF_callbacks
- * @brief Callbacks handler which emit the callbacks after NetworkLink destruction *
- * @details Callback functions have the following signature: `void(NetworkLinkPtr)`
+ * @brief Callbacks handler which emits the callbacks after Link State changed
+ * @details Callback functions have the following signature: `void(LinkAction *action, e_surf_resource_state_t old, e_surf_resource_state_t current)`
*/
-extern surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks;
+XBT_PUBLIC_DATA( surf_callback(void, Link*, e_surf_resource_state_t, e_surf_resource_state_t)) networkLinkStateChangedCallbacks;
/** @ingroup SURF_callbacks
- * @brief Callbacks handler which emit the callbacks after NetworkLink State changed *
- * @details Callback functions have the following signature: `void(NetworkLinkActionPtr)`
+ * @brief Callbacks handler which emits the callbacks after NetworkAction State changed
+ * @details Callback functions have the following signature: `void(NetworkAction *action, e_surf_action_state_t old, e_surf_action_state_t current)`
*/
-extern surf_callback(void, NetworkLinkPtr) networkLinkStateChangedCallbacks;
+XBT_PUBLIC_DATA( surf_callback(void, NetworkAction*, e_surf_action_state_t, e_surf_action_state_t)) networkActionStateChangedCallbacks;
/** @ingroup SURF_callbacks
- * @brief Callbacks handler which emit the callbacks after NetworkAction State changed *
- * @details Callback functions have the following signature: `void(NetworkActionPtr)`
+ * @brief Callbacks handler which emits the callbacks after communication created
+ * @details Callback functions have the following signature: `void(NetworkAction *action, RoutingEdge *src, RoutingEdge *dst, double size, double rate)`
*/
-extern surf_callback(void, NetworkActionPtr) networkActionStateChangedCallbacks;
+XBT_PUBLIC_DATA( surf_callback(void, NetworkAction*, RoutingEdge *src, RoutingEdge *dst, double size, double rate)) networkCommunicateCallbacks;
/*********
* Tools *
*********/
+XBT_PUBLIC(void) netlink_parse_init(sg_platf_link_cbarg_t link);
-void net_define_callbacks(void);
+XBT_PUBLIC(void) net_add_traces();
/*********
* Model *
*********/
/** @ingroup SURF_network_interface
* @brief SURF network model interface class
- * @details A model is an object which handle the interactions between its Resources and its Actions
+ * @details A model is an object which handles the interactions between its Resources and its Actions
*/
class NetworkModel : public Model {
public:
- /**
- * @brief NetworkModel constructor
- */
- NetworkModel() : Model("network") {
- };
-
- /**
- * @brief NetworkModel constructor
- *
- * @param name The name of the NetworkModel
- */
- NetworkModel(const char *name) : Model(name) {
- f_networkSolve = lmm_solve;
- m_haveGap = false;
- };
+ /** @brief Constructor */
+ NetworkModel() : Model() { }
- /**
- * @brief The destructor of the NetworkModel
- */
+ /** @brief Destructor */
~NetworkModel() {
if (p_maxminSystem)
lmm_system_free(p_maxminSystem);
}
/**
- * @brief Create a NetworkLink
- *
- * @param name The name of the NetworkLink
- * @param bw_initial The initial bandwidth of the NetworkLink in bytes per second
- * @param bw_trace The trace associated to the NetworkLink bandwidth [TODO]
- * @param lat_initial The initial latency of the NetworkLink in seconds
- * @param lat_trace The trace associated to the NetworkLink latency [TODO]
- * @param state_initial The initial NetworkLink (state)[e_surf_resource_state_t]
- * @param state_trace The trace associated to the NetworkLink (state)[e_surf_resource_state_t] [TODO]
- * @param policy The sharing policy of the NetworkLink
+ * @brief Create a Link
+ *
+ * @param name The name of the Link
+ * @param bw_initial The initial bandwidth of the Link in bytes per second
+ * @param bw_trace The trace associated to the Link bandwidth
+ * @param lat_initial The initial latency of the Link in seconds
+ * @param lat_trace The trace associated to the Link latency
+ * @param state_initial The initial Link (state)[e_surf_resource_state_t]
+ * @param state_trace The trace associated to the Link (state)[e_surf_resource_state_t]
+ * @param policy The sharing policy of the Link
* @param properties Dictionary of properties associated to this Resource
- * @return The created NetworkLink
+ * @return The created Link
*/
- virtual NetworkLinkPtr createResource(const char *name,
+ virtual Link* createLink(const char *name,
double bw_initial,
tmgr_trace_t bw_trace,
double lat_initial,
e_surf_link_sharing_policy_t policy,
xbt_dict_t properties)=0;
-
- virtual void gapAppend(double /*size*/, const NetworkLinkPtr /*link*/, NetworkActionPtr /*action*/) {};
-
/**
- * @brief Create a communication between two [TODO]
- * @details [TODO]
- *
- * @param src The source [TODO]
- * @param dst The destination [TODO]
+ * @brief Create a communication between two hosts.
+ * @details It makes calls to the routing part, and execute the communication
+ * between the two end points.
+ *
+ * @param src The source of the communication
+ * @param dst The destination of the communication
* @param size The size of the communication in bytes
- * @param rate The
+ * @param rate Allows to limit the transfer rate. Negative value means
+ * unlimited.
* @return The action representing the communication
*/
- virtual ActionPtr communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
+ virtual Action *communicate(RoutingEdge *src, RoutingEdge *dst,
double size, double rate)=0;
- /**
- * @brief Function pointer to the function to use to solve the lmm_system_t
- *
+ /** @brief Function pointer to the function to use to solve the lmm_system_t
+ *
* @param system The lmm_system_t to solve
*/
- void (*f_networkSolve)(lmm_system_t);
+ void (*f_networkSolve)(lmm_system_t) = lmm_solve;
/**
- * @brief [brief description]
- * @details [long description]
- *
- * @param size [description]
- * @return [description]
+ * @brief Get the right multiplicative factor for the latency.
+ * @details Depending on the model, the effective latency when sending
+ * a message might be different from the theoretical latency of the link,
+ * in function of the message size. In order to account for this, this
+ * function gets this factor.
+ *
+ * @param size The size of the message.
+ * @return The latency factor.
*/
virtual double latencyFactor(double size);
/**
- * @brief [brief description]
- * @details [long description]
- *
- * @param size [description]
- * @return [description]
+ * @brief Get the right multiplicative factor for the bandwidth.
+ * @details Depending on the model, the effective bandwidth when sending
+ * a message might be different from the theoretical bandwidth of the link,
+ * in function of the message size. In order to account for this, this
+ * function gets this factor.
+ *
+ * @param size The size of the message.
+ * @return The bandwidth factor.
*/
virtual double bandwidthFactor(double size);
/**
- * @brief [brief description]
- * @details [long description]
- *
- * @param rate [description]
- * @param bound [description]
- * @param size [description]
- * @return [description]
+ * @brief Get definitive bandwidth.
+ * @details It gives the minimum bandwidth between the one that would
+ * occur if no limitation was enforced, and the one arbitrary limited.
+ * @param rate The desired maximum bandwidth.
+ * @param bound The bandwidth with only the network taken into account.
+ * @param size The size of the message.
+ * @return The new bandwidth.
*/
virtual double bandwidthConstraint(double rate, double bound, double size);
- bool m_haveGap;
+ double shareResourcesFull(double now);
};
/************
************/
/** @ingroup SURF_network_interface
* @brief SURF network link interface class
- * @details A NetworkLink represent the link between two [Workstations](\ref Workstation)
+ * @details A Link represents the link between two [hosts](\ref Host)
*/
-class NetworkLink : public Resource {
+class Link : public Resource {
public:
/**
- * @brief NetworkLink constructor
- *
- * @param model The CpuModel associated to this NetworkLink
- * @param name The name of the NetworkLink
- * @param props Dictionary of properties associated to this NetworkLink
+ * @brief Link constructor
+ *
+ * @param model The NetworkModel associated to this Link
+ * @param name The name of the Link
+ * @param props Dictionary of properties associated to this Link
*/
- NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props);
+ Link(NetworkModel *model, const char *name, xbt_dict_t props);
/**
- * @brief NetworkLink constructor
- *
- * @param model The CpuModel associated to this NetworkLink
- * @param name The name of the NetworkLink
- * @param props Dictionary of properties associated to this NetworkLink
+ * @brief Link constructor
+ *
+ * @param model The NetworkModel associated to this Link
+ * @param name The name of the Link
+ * @param props Dictionary of properties associated to this Link
* @param constraint The lmm constraint associated to this Cpu if it is part of a LMM component
* @param history [TODO]
* @param state_trace [TODO]
*/
- NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props,
- lmm_constraint_t constraint,
- tmgr_history_t history,
- tmgr_trace_t state_trace);
+ Link(NetworkModel *model, const char *name, xbt_dict_t props,
+ lmm_constraint_t constraint,
+ tmgr_history_t history,
+ tmgr_trace_t state_trace);
- /**
- * @brief NetworkLink destructor
- */
- ~NetworkLink();
+ /** @brief Link destructor */
+ ~Link();
- /**
- * @brief Get the bandwidth in bytes per second of current NetworkLink
- *
- * @return The bandwith in bytes per second of the current NetworkLink
- */
+ /** @brief Get the bandwidth in bytes per second of current Link */
virtual double getBandwidth();
- /**
- * @brief Get the latency in seconds of current NetworkLink
- *
- * @return The latency in seconds of the current NetworkLink
- */
+ /** @brief Update the bandwidth in bytes per second of current Link */
+ virtual void updateBandwidth(double value, double date=surf_get_clock())=0;
+
+ /** @brief Get the latency in seconds of current Link */
virtual double getLatency();
- /**
- * @brief Check if the NetworkLink is shared
- * @details [long description]
- *
- * @return true if the current NetwokrLink is shared, false otherwise
- */
- virtual bool isShared();
+ /** @brief Update the latency in seconds of current Link */
+ virtual void updateLatency(double value, double date=surf_get_clock())=0;
- /**
- * @brief Check if the NetworkLink is used
- *
- * @return true if the current NetwokrLink is used, false otherwise
- */
+ /** @brief The sharing policy is a @{link #e_surf_link_sharing_policy_t} (0: FATPIPE, 1: SHARED, 2: FULLDUPLEX) */
+ virtual int sharingPolicy();
+
+ /** @brief Check if the Link is used */
bool isUsed();
void setState(e_surf_resource_state_t state);
/* Using this object with the public part of
model does not make sense */
- double m_latCurrent;
- tmgr_trace_event_t p_latEvent;
+ double m_latCurrent = 0;
+ tmgr_trace_event_t p_latEvent = NULL;
/* LMM */
- tmgr_trace_event_t p_stateEvent;
- s_surf_metric_t p_power;
+ tmgr_trace_event_t p_stateEvent = NULL;
+ s_surf_metric_t p_speed;
+
+ /* User data */
+public:
+ void *getData() { return userData;}
+ void setData(void *d) { userData=d;}
+private:
+ void *userData = NULL;
+
+ /* List of all links */
+private:
+ static boost::unordered_map<std::string, Link *> *links;
+public:
+ static Link *byName(const char* name);
+ static int linksAmount();
+ static Link **linksList();
+ static void linksExit();
};
/**********
**********/
/** @ingroup SURF_network_interface
* @brief SURF network action interface class
- * @details A NetworkAction represent a communication bettween two [Workstations](\ref Workstation)
+ * @details A NetworkAction represents a communication between two [hosts](\ref Host)
*/
class NetworkAction : public Action {
public:
- /**
- * @brief NetworkAction constructor
- *
+ /** @brief Constructor
+ *
* @param model The NetworkModel associated to this NetworkAction
* @param cost The cost of this NetworkAction in [TODO]
* @param failed [description]
*/
- NetworkAction(ModelPtr model, double cost, bool failed)
+ NetworkAction(Model *model, double cost, bool failed)
: Action(model, cost, failed) {}
/**
* @brief NetworkAction constructor
- *
+ *
* @param model The NetworkModel associated to this NetworkAction
* @param cost The cost of this NetworkAction in [TODO]
* @param failed [description]
- * @param var The lmm variable associated to this Action if it is part of a LMM component
+ * @param var The lmm variable associated to this Action if it is part of a
+ * LMM component
*/
- NetworkAction(ModelPtr model, double cost, bool failed, lmm_variable_t var)
+ NetworkAction(Model *model, double cost, bool failed, lmm_variable_t var)
: Action(model, cost, failed, var) {};
void setState(e_surf_action_state_t state);
double m_weight;
double m_rate;
const char* p_senderLinkName;
- double m_senderGap;
double m_senderSize;
xbt_fifo_item_t p_senderFifoItem;
#ifdef HAVE_LATENCY_BOUND_TRACKING
