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
26 /* user-visible parameters */
27 extern double sg_tcp_gamma;
28 extern double sg_sender_gap;
29 extern double sg_latency_factor;
30 extern double sg_bandwidth_factor;
31 extern double sg_weight_S_parameter;
32 extern int sg_maxmin_selective_update;
33 extern int sg_network_crosstraffic;
35 extern double sg_gtnets_jitter;
36 extern int sg_gtnets_jitter_seed;
40 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);
52 } s_surf_model_private_t;
54 double generic_maxmin_share_resources(xbt_swag_t running_actions,
57 void (*solve) (lmm_system_t));
59 /* Generic functions common to all models */
60 void surf_action_init(void);
61 void surf_action_exit(void);
62 e_surf_action_state_t surf_action_state_get(surf_action_t action); /* cannot declare inline since we use a pointer to it */
63 double surf_action_get_start_time(surf_action_t action); /* cannot declare inline since we use a pointer to it */
64 double surf_action_get_finish_time(surf_action_t action); /* cannot declare inline since we use a pointer to it */
65 void surf_action_free(surf_action_t * action);
66 void surf_action_state_set(surf_action_t action,
67 e_surf_action_state_t state);
68 void surf_action_data_set(surf_action_t action, void *data); /* cannot declare inline since we use a pointer to it */
70 void surf_action_lmm_update_index_heap(void *action, int i); /* callback for heap management shared by cpu and net models */
71 void surf_action_lmm_heap_insert(xbt_heap_t heap, surf_action_lmm_t action,
72 double key, enum heap_action_type hat);
73 void surf_action_lmm_heap_remove(xbt_heap_t heap,surf_action_lmm_t action);
76 FILE *surf_fopen(const char *name, const char *mode);
78 extern tmgr_history_t history;
79 extern xbt_dynar_t surf_path;
81 void surf_config_init(int *argc, char **argv);
82 void surf_config_finalize(void);
83 void surf_config(const char *name, va_list pa);
85 void net_action_recycle(surf_action_t action);
86 double net_action_get_remains(surf_action_t action);
87 #ifdef HAVE_LATENCY_BOUND_TRACKING
88 int net_get_link_latency_limited(surf_action_t action);
90 void net_action_set_max_duration(surf_action_t action, double duration);
92 * Returns the initial path. On Windows the initial path is
93 * the current directory for the current process in the other
94 * case the function returns "./" that represents the current
95 * directory on Unix/Linux platforms.
97 const char *__surf_get_initial_path(void);
99 /* The __surf_is_absolute_file_path() returns 1 if
100 * file_path is a absolute file path, in the other
101 * case the function returns 0.
103 int __surf_is_absolute_file_path(const char *file_path);
105 typedef struct s_as *AS_t;
106 typedef struct s_network_element_info {
108 e_surf_network_element_type_t rc_type;
111 } s_network_element_t, *network_element_t;
114 * Link of lenght 1, alongside with its source and destination. This is mainly usefull in the bindings to gtnets and ns3
116 typedef struct s_onelink {
117 network_element_t src;
118 network_element_t dst;
120 } s_onelink_t, *onelink_t;
126 typedef struct s_model_type {
130 void (*end) (AS_t as);
131 } s_routing_model_description_t, *routing_model_description_t;
133 typedef struct s_route {
134 xbt_dynar_t link_list;
135 network_element_t src_gateway;
136 network_element_t dst_gateway;
137 } s_route_t, *route_t;
139 /* This enum used in the routing structure helps knowing in which situation we are. */
141 SURF_ROUTING_NULL = 0, /**< Undefined type */
142 SURF_ROUTING_BASE, /**< Base case: use simple link lists for routing */
143 SURF_ROUTING_RECURSIVE /**< Recursive case: also return gateway informations */
144 } e_surf_routing_hierarchy_t;
146 typedef struct s_as {
148 xbt_dict_t bypassRoutes; /* store bypass routes */
149 routing_model_description_t model_desc;
150 e_surf_routing_hierarchy_t hierarchy;
152 struct s_as *routing_father;
153 xbt_dict_t routing_sons;
154 network_element_t net_elem;
156 void (*get_route_and_latency) (AS_t as, network_element_t src, network_element_t dst, route_t into, double *latency);
158 xbt_dynar_t(*get_onelink_routes) (AS_t as);
159 route_t(*get_bypass_route) (AS_t as, network_element_t src, network_element_t dst);
160 void (*finalize) (AS_t as);
163 /* The parser calls the following functions to inform the routing models
164 * that a new element is added to the AS currently built.
166 * Of course, only the routing model of this AS is informed, not every ones */
167 int (*parse_PU) (AS_t as, const char *name); /* A host or a router, whatever */
168 int (*parse_AS) (AS_t as, const char *name);
169 void (*parse_route) (AS_t as, const char *src,
170 const char *dst, route_t route);
171 void (*parse_ASroute) (AS_t as, const char *src,
172 const char *dst, route_t route);
173 void (*parse_bypassroute) (AS_t as, const char *src,
174 const char *dst, route_t e_route);
177 struct s_routing_global {
181 xbt_dynar_t last_route;
182 xbt_dynar_t(*get_onelink_routes) (void);
185 XBT_PUBLIC(void) routing_model_create(size_t size_of_link, void *loopback);
186 XBT_PUBLIC(void) routing_exit(void);
187 XBT_PUBLIC(void) routing_register_callbacks(void);
188 XBT_PUBLIC(void) generic_free_route(route_t route); // FIXME rename to routing_route_free
189 // FIXME: make previous function private to routing again?
192 XBT_PUBLIC(void) routing_get_route_and_latency(network_element_t src, network_element_t dst,
193 xbt_dynar_t * route, double *latency);
196 * Resource protected methods
198 static XBT_INLINE xbt_dict_t surf_resource_properties(const void *resource);
200 XBT_PUBLIC(void) surfxml_bufferstack_push(int new);
201 XBT_PUBLIC(void) surfxml_bufferstack_pop(int new);
203 XBT_PUBLIC_DATA(int) surfxml_bufferstack_size;
205 #endif /* _SURF_SURF_PRIVATE_H */