1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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. */
6 #ifndef _SURF_SURF_PRIVATE_H
7 #define _SURF_SURF_PRIVATE_H
10 #include "surf/maxmin.h"
11 #include "surf/trace_mgr.h"
13 #include "surf/surfxml_parse.h"
14 #include "surf/random_mgr.h"
15 #include "instr/instr_private.h"
16 #include "surf/surfxml_parse_values.h"
18 #define NO_MAX_DURATION -1.0
20 /* user-visible parameters */
21 extern double sg_tcp_gamma;
22 extern double sg_sender_gap;
23 extern double sg_latency_factor;
24 extern double sg_bandwidth_factor;
25 extern double sg_weight_S_parameter;
26 extern int sg_maxmin_selective_update;
27 extern int sg_network_crosstraffic;
29 extern double sg_gtnets_jitter;
30 extern int sg_gtnets_jitter_seed;
34 extern const char *surf_action_state_names[6];
42 typedef struct surf_model_private {
43 int (*resource_used) (void *resource_id);
44 /* Share the resources to the actions and return in how much time
45 the next action may terminate */
46 double (*share_resources) (double now);
47 /* Update the actions' state */
48 void (*update_actions_state) (double now, double delta);
49 void (*update_resource_state) (void *id, tmgr_trace_event_t event_type,
50 double value, double time);
51 void (*finalize) (void);
53 lmm_system_t maxmin_system;
54 e_UM_t update_mechanism;
55 xbt_swag_t modified_set;
56 xbt_heap_t action_heap;
59 } s_surf_model_private_t;
61 double generic_maxmin_share_resources(xbt_swag_t running_actions,
64 void (*solve) (lmm_system_t));
66 /* Generic functions common to all models */
67 void surf_action_init(void);
68 void surf_action_exit(void);
69 e_surf_action_state_t surf_action_state_get(surf_action_t action); /* cannot declare inline since we use a pointer to it */
70 double surf_action_get_start_time(surf_action_t action); /* cannot declare inline since we use a pointer to it */
71 double surf_action_get_finish_time(surf_action_t action); /* cannot declare inline since we use a pointer to it */
72 void surf_action_free(surf_action_t * action);
73 void surf_action_state_set(surf_action_t action,
74 e_surf_action_state_t state);
75 void surf_action_data_set(surf_action_t action, void *data); /* cannot declare inline since we use a pointer to it */
77 void surf_action_lmm_update_index_heap(void *action, int i); /* callback for heap management shared by cpu and net models */
78 void surf_action_lmm_heap_insert(xbt_heap_t heap, surf_action_lmm_t action,
79 double key, enum heap_action_type hat);
80 void surf_action_lmm_heap_remove(xbt_heap_t heap,surf_action_lmm_t action);
83 FILE *surf_fopen(const char *name, const char *mode);
85 extern tmgr_history_t history;
86 extern xbt_dynar_t surf_path;
88 void surf_config_init(int *argc, char **argv);
89 void surf_config_finalize(void);
90 void surf_config(const char *name, va_list pa);
92 void net_action_recycle(surf_action_t action);
93 double net_action_get_remains(surf_action_t action);
94 #ifdef HAVE_LATENCY_BOUND_TRACKING
95 int net_get_link_latency_limited(surf_action_t action);
97 void net_action_set_max_duration(surf_action_t action, double duration);
99 * Returns the initial path. On Windows the initial path is
100 * the current directory for the current process in the other
101 * case the function returns "./" that represents the current
102 * directory on Unix/Linux platforms.
104 const char *__surf_get_initial_path(void);
106 /* The __surf_is_absolute_file_path() returns 1 if
107 * file_path is a absolute file path, in the other
108 * case the function returns 0.
110 int __surf_is_absolute_file_path(const char *file_path);
112 typedef struct s_as *AS_t;
113 typedef struct s_routing_edge {
115 e_surf_network_element_type_t rc_type;
118 } s_network_element_t;
121 * Link of lenght 1, alongside with its source and destination. This is mainly usefull in the bindings to gtnets and ns3
123 typedef struct s_onelink {
124 sg_routing_edge_t src;
125 sg_routing_edge_t dst;
127 } s_onelink_t, *onelink_t;
133 typedef struct s_model_type {
137 void (*end) (AS_t as);
138 } s_routing_model_description_t, *routing_model_description_t;
140 typedef struct s_route {
141 xbt_dynar_t link_list;
142 sg_routing_edge_t src_gateway;
143 sg_routing_edge_t dst_gateway;
144 } s_route_t, *route_t;
146 /* This enum used in the routing structure helps knowing in which situation we are. */
148 SURF_ROUTING_NULL = 0, /**< Undefined type */
149 SURF_ROUTING_BASE, /**< Base case: use simple link lists for routing */
150 SURF_ROUTING_RECURSIVE /**< Recursive case: also return gateway informations */
151 } e_surf_routing_hierarchy_t;
153 typedef struct s_as {
154 xbt_dynar_t index_network_elm;
155 xbt_dict_t bypassRoutes; /* store bypass routes */
156 routing_model_description_t model_desc;
157 e_surf_routing_hierarchy_t hierarchy;
159 struct s_as *routing_father;
160 xbt_dict_t routing_sons;
161 sg_routing_edge_t net_elem;
162 xbt_dynar_t link_up_down_list;
164 void (*get_route_and_latency) (AS_t as, sg_routing_edge_t src, sg_routing_edge_t dst, route_t into, double *latency);
166 xbt_dynar_t(*get_onelink_routes) (AS_t as);
167 route_t(*get_bypass_route) (AS_t as, sg_routing_edge_t src, sg_routing_edge_t dst, double *lat);
168 void (*finalize) (AS_t as);
171 /* The parser calls the following functions to inform the routing models
172 * that a new element is added to the AS currently built.
174 * Of course, only the routing model of this AS is informed, not every ones */
175 int (*parse_PU) (AS_t as, sg_routing_edge_t elm); /* A host or a router, whatever */
176 int (*parse_AS) (AS_t as, sg_routing_edge_t elm);
177 void (*parse_route) (AS_t as, const char *src,
178 const char *dst, route_t route);
179 void (*parse_ASroute) (AS_t as, const char *src,
180 const char *dst, route_t route);
181 void (*parse_bypassroute) (AS_t as, const char *src,
182 const char *dst, route_t e_route);
185 struct s_routing_platf {
188 xbt_dynar_t last_route;
189 xbt_dynar_t(*get_onelink_routes) (void);
192 XBT_PUBLIC(void) routing_model_create(void *loopback);
193 XBT_PUBLIC(void) routing_exit(void);
194 XBT_PUBLIC(void) storage_register_callbacks(void);
195 XBT_PUBLIC(void) routing_register_callbacks(void);
196 XBT_PUBLIC(void) generic_free_route(route_t route); // FIXME rename to routing_route_free
197 // FIXME: make previous function private to routing again?
200 XBT_PUBLIC(void) routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
201 xbt_dynar_t * route, double *latency);
204 * Resource protected methods
206 static XBT_INLINE xbt_dict_t surf_resource_properties(const void *resource);
208 XBT_PUBLIC(void) surfxml_bufferstack_push(int new);
209 XBT_PUBLIC(void) surfxml_bufferstack_pop(int new);
211 XBT_PUBLIC_DATA(int) surfxml_bufferstack_size;
213 #endif /* _SURF_SURF_PRIVATE_H */