include/simgrid/platf.h

   1 /* platf.h - Public interface to the SimGrid platforms                      */
   2
   3 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved.          */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #ifndef SG_PLATF_H
   9 #define SG_PLATF_H
  10
  11 #include <xbt.h>
  12
  13 typedef void *sg_routing_link_t; /* The actual type is model-dependent so use void* instead*/
  14 typedef struct s_routing_edge *sg_routing_edge_t;
  15
  16 XBT_PUBLIC(sg_routing_edge_t) sg_routing_edge_by_name_or_null(const char *name);
  17
  18
  19
  20 typedef struct tmgr_trace *tmgr_trace_t; /**< Opaque structure defining an availability trace */
  21
  22 /** opaque structure defining a event generator for availability based on a probability distribution */
  23 typedef struct probabilist_event_generator *probabilist_event_generator_t;
  24
  25 XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_file(const char *filename);
  26 XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_string(const char *id,
  27                                                     const char *input,
  28                                                     double periodicity);
  29 XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_generator(const char *id,
  30                                                   probabilist_event_generator_t generator1,
  31                                                   probabilist_event_generator_t generator2,
  32                                                   int is_state_trace);
  33
  34 XBT_PUBLIC(probabilist_event_generator_t) tmgr_event_generator_new_uniform(const char* id,
  35                                                                            double min,
  36                                                                            double max);
  37 XBT_PUBLIC(probabilist_event_generator_t) tmgr_event_generator_new_exponential(const char* id,
  38                                                                            double rate);
  39 XBT_PUBLIC(probabilist_event_generator_t) tmgr_event_generator_new_weibull(const char* id,
  40                                                                            double scale,
  41                                                                            double shape);
  42
  43 /** Defines whether a given resource is working or not */
  44 typedef enum {
  45   SURF_RESOURCE_ON = 1,                   /**< Up & ready        */
  46   SURF_RESOURCE_OFF = 0                   /**< Down & broken     */
  47 } e_surf_resource_state_t;
  48
  49 typedef enum {
  50   SURF_LINK_FULLDUPLEX = 2,
  51   SURF_LINK_SHARED = 1,
  52   SURF_LINK_FATPIPE = 0
  53 } e_surf_link_sharing_policy_t;
  54
  55 /*
  56  * Platform creation functions. Instead of passing 123 arguments to the creation functions
  57  * (one for each possible XML attribute), we pass structures containing them all. It removes the
  58  * chances of switching arguments by error, and reduce the burden when we add a new attribute:
  59  * old models can just continue to ignore it without having to update their headers.
  60  *
  61  * It shouldn't be too costly at runtime, provided that structures living on the stack are
  62  * used, instead of malloced structures.
  63  */
  64
  65 typedef struct {
  66   const char* id;
  67   double power_peak;
  68   int core_amount;
  69   double power_scale;
  70   tmgr_trace_t power_trace;
  71   e_surf_resource_state_t initial_state;
  72   tmgr_trace_t state_trace;
  73   const char* coord;
  74   xbt_dict_t properties;
  75 } s_sg_platf_host_cbarg_t, *sg_platf_host_cbarg_t;
  76
  77 typedef struct {
  78   const char* id;
  79   const char* link_up;
  80   const char* link_down;
  81 } s_sg_platf_host_link_cbarg_t, *sg_platf_host_link_cbarg_t;
  82
  83
  84 typedef struct {
  85   const char* id;
  86   const char* coord;
  87 } s_sg_platf_router_cbarg_t, *sg_platf_router_cbarg_t;
  88
  89 typedef struct {
  90   const char* id;
  91   double bandwidth;
  92   tmgr_trace_t bandwidth_trace;
  93   double latency;
  94   tmgr_trace_t latency_trace;
  95   e_surf_resource_state_t state;
  96   tmgr_trace_t state_trace;
  97   e_surf_link_sharing_policy_t policy;
  98   xbt_dict_t properties;
  99 } s_sg_platf_link_cbarg_t, *sg_platf_link_cbarg_t;
 100
 101 typedef struct s_sg_platf_peer_cbarg *sg_platf_peer_cbarg_t;
 102 typedef struct s_sg_platf_peer_cbarg {
 103   const char* id;
 104   double power;
 105   double bw_in;
 106   double bw_out;
 107   double lat;
 108   const char* coord;
 109   tmgr_trace_t availability_trace;
 110   tmgr_trace_t state_trace;
 111 } s_sg_platf_peer_cbarg_t;
 112
 113 typedef struct s_sg_platf_linkctn_cbarg *sg_platf_linkctn_cbarg_t;
 114 typedef struct s_sg_platf_linkctn_cbarg {
 115   const char *id;
 116   const char *direction;
 117 } s_sg_platf_linkctn_cbarg_t;
 118
 119 typedef struct s_sg_platf_cluster_cbarg *sg_platf_cluster_cbarg_t;
 120 typedef struct s_sg_platf_cluster_cbarg {
 121   const char* id;
 122   const char* prefix;
 123   const char* suffix;
 124   const char* radical;
 125   double power;
 126   int core_amount;
 127   double bw;
 128   double lat;
 129   double bb_bw;
 130   double bb_lat;
 131   const char* router_id;
 132   e_surf_link_sharing_policy_t sharing_policy;
 133   e_surf_link_sharing_policy_t bb_sharing_policy;
 134   const char* availability_trace; //don't convert to tmgr_trace_t since there is a trace per host and some rewriting is needed
 135   const char* state_trace;
 136 } s_sg_platf_cluster_cbarg_t;
 137
 138 typedef struct {
 139   const char* id;
 140   const char* type_id;
 141   const char* content;
 142 } s_sg_platf_storage_cbarg_t, *sg_platf_storage_cbarg_t;
 143
 144 typedef struct {
 145   const char* id;
 146   const char* model;
 147   const char* content;
 148   xbt_dict_t properties;
 149   unsigned long size; /* size in Gbytes */
 150 } s_sg_platf_storage_type_cbarg_t, *sg_platf_storage_type_cbarg_t;
 151
 152 typedef struct {
 153   const char* type_id;
 154   const char* name;
 155 } s_sg_platf_mstorage_cbarg_t, *sg_platf_mstorage_cbarg_t;
 156
 157 typedef struct {
 158   const char* id;
 159   const char* name;
 160 } s_sg_platf_mount_cbarg_t, *sg_platf_mount_cbarg_t;
 161
 162
 163 XBT_PUBLIC(void) sg_platf_begin(void);  // Start a new platform
 164 XBT_PUBLIC(void) sg_platf_end(void); // Finish the creation of the platform
 165
 166 XBT_PUBLIC(void) sg_platf_new_AS_begin(const char *id, int mode); // Begin description of new AS
 167 XBT_PUBLIC(void) sg_platf_new_AS_end(void);                            // That AS is fully described
 168
 169 XBT_PUBLIC(void) sg_platf_new_host   (sg_platf_host_cbarg_t   host);   // Add an host   to the currently described AS
 170 XBT_PUBLIC(void) sg_platf_new_host_link(sg_platf_host_link_cbarg_t h); // Add an host_link to the currently described AS
 171 XBT_PUBLIC(void) sg_platf_new_router (sg_platf_router_cbarg_t router); // Add a router  to the currently described AS
 172 XBT_PUBLIC(void) sg_platf_new_link   (sg_platf_link_cbarg_t link);     // Add a link    to the currently described AS
 173 XBT_PUBLIC(void) sg_platf_new_peer   (sg_platf_peer_cbarg_t peer);     // Add a peer    to the currently described AS
 174 XBT_PUBLIC(void) sg_platf_new_cluster(sg_platf_cluster_cbarg_t clust); // Add a cluster to the currently described AS
 175 XBT_PUBLIC(void) sg_platf_new_storage(sg_platf_storage_cbarg_t storage); // Add a storage to the currently described AS
 176 XBT_PUBLIC(void) sg_platf_new_storage(sg_platf_storage_cbarg_t storage); // Add a storage to the currently described AS
 177 XBT_PUBLIC(void) sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage);
 178 XBT_PUBLIC(void) sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type);
 179 XBT_PUBLIC(void) sg_platf_new_mount(sg_platf_mount_cbarg_t mount);
 180
 181 #endif                          /* SG_PLATF_H */