-/* Authors: Arnaud Legrand */
+/* $Id$ */
-/* 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. */
+/* Copyright (c) 2004 Arnaud Legrand. 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_SURF_H
#define _SURF_SURF_H
#include "xbt/swag.h"
-#include "xbt/heap.h" /* for xbt_heap_float_t only */
-#include "surf/maxmin.h" /* for xbt_maxmin_float_t only */
+#include "xbt/heap.h" /* for xbt_heap_float_t only */
+#include "surf/maxmin.h" /* for xbt_maxmin_float_t only */
/* Actions and resources are higly connected structures... */
typedef struct surf_action *surf_action_t;
/* Action object */
/*****************/
typedef enum {
- SURF_ACTION_READY = 0, /* Ready */
- SURF_ACTION_RUNNING, /* Running */
- SURF_ACTION_FAILED, /* Task Failure */
- SURF_ACTION_DONE, /* Completed */
- SURF_ACTION_NOT_IN_THE_SYSTEM /* Not in the system anymore. Why did you ask ? */
+ SURF_ACTION_READY = 0, /* Ready */
+ SURF_ACTION_RUNNING, /* Running */
+ SURF_ACTION_FAILED, /* Task Failure */
+ SURF_ACTION_DONE, /* Completed */
+ SURF_ACTION_NOT_IN_THE_SYSTEM /* Not in the system anymore. Why did you ask ? */
} e_surf_action_state_t;
+typedef struct surf_action_state {
+ xbt_swag_t ready_action_set;
+ xbt_swag_t running_action_set;
+ xbt_swag_t failed_action_set;
+ xbt_swag_t done_action_set;
+} s_surf_action_state_t, *surf_action_state_t;
+
/* Never create s_surf_action_t by yourself !!!! */
/* Use action_new from the corresponding resource */
typedef struct surf_action {
/***************************/
/* Generic resource object */
/***************************/
+
+typedef struct surf_resource_private *surf_resource_private_t;
+typedef struct surf_resource_public {
+ s_surf_action_state_t states; /* Any living action on this resource */
+ void *(*name_service) (const char *name);
+ const char *(*get_resource_name) (void *resource_id);
+
+ e_surf_action_state_t(*action_get_state) (surf_action_t action);
+ void (*action_free) (surf_action_t action);
+ void (*action_cancel) (surf_action_t action);
+ void (*action_recycle) (surf_action_t action);
+ void (*action_change_state) (surf_action_t action,
+ e_surf_action_state_t state);
+} s_surf_resource_public_t, *surf_resource_public_t;
+
typedef struct surf_resource {
- void (*parse_file)(const char *file);
- void *(*name_service)(const char *name);
- const char *(*get_resource_name)(void *resource_id);
-
- /* surf_action_t (*action_new)(void *callback); */
- /* Not defined here. Actions have to be created by actually
- performing it and prototype may therefore vary with the resource
- implementation */
-
- e_surf_action_state_t (*action_get_state)(surf_action_t action);
- void (*action_free)(surf_action_t * action); /* Call it when you're done with this action */
- void (*action_cancel)(surf_action_t action); /* remove the variables from the linear system if needed */
- void (*action_recycle)(surf_action_t action); /* More efficient than free/new */
- void (*action_change_state)(surf_action_t action, e_surf_action_state_t state);
-
- xbt_heap_float_t (*share_resources)(void); /* Share the resources to the
- actions and return the potential
- next action termination */
- void (*solve)(xbt_heap_float_t date); /* Advance time to "date" and update
- the actions' state*/
+ surf_resource_private_t common_private;
+ surf_resource_public_t common_public;
} s_surf_resource_t;
+typedef struct surf_resource_object {
+ surf_resource_t resource;
+} s_surf_resource_object_t, *surf_resource_object_t;
+
/**************************************/
/* Implementations of resource object */
/**************************************/
/* Cpu resource */
typedef enum {
SURF_CPU_ON = 1, /* Ready */
- SURF_CPU_OFF = 0, /* Running */
+ SURF_CPU_OFF = 0 /* Running */
} e_surf_cpu_state_t;
+typedef struct surf_cpu_resource_extension_private
+ *surf_cpu_resource_extension_private_t;
+typedef struct surf_cpu_resource_extension_public {
+ surf_action_t(*execute) (void *cpu, xbt_maxmin_float_t size);
+ surf_action_t(*wait) (void *cpu, xbt_maxmin_float_t size);
+ e_surf_cpu_state_t(*get_state) (void *cpu);
+} s_surf_cpu_resource_extension_public_t,
+ *surf_cpu_resource_extension_public_t;
+
typedef struct surf_cpu_resource {
- s_surf_resource_t resource;
- surf_action_t (*execute)(void *cpu, xbt_maxmin_float_t size);
- e_surf_cpu_state_t (*get_state)(void *cpu);
+ surf_resource_private_t common_private;
+ surf_resource_public_t common_public;
+ surf_cpu_resource_extension_public_t extension_public;
} s_surf_cpu_resource_t, *surf_cpu_resource_t;
extern surf_cpu_resource_t surf_cpu_resource;
+void surf_cpu_resource_init(const char *filename);
/* Network resource */
+typedef struct surf_network_resource_extension_private
+ *surf_network_resource_extension_private_t;
+typedef struct surf_network_resource_extension_public {
+ surf_action_t(*communicate) (void *src, void *dst,
+ xbt_maxmin_float_t size);
+} s_surf_network_resource_extension_public_t,
+ *surf_network_resource_extension_public_t;
+
typedef struct surf_network_resource {
- s_surf_resource_t resource;
- surf_action_t (*communicate)(void *src, void *dst, xbt_maxmin_float_t size);
-} s_surf_network_resource_t, surf_network_resource_t;
-extern surf_network_resource_t surf_network_resource;
+ surf_resource_private_t common_private;
+ surf_resource_public_t common_public;
+ surf_network_resource_extension_public_t extension_public;
+} s_surf_network_resource_t, *surf_network_resource_t;
-/* Timer resource */
-typedef struct surf_timer_resource {
- s_surf_resource_t resource;
- surf_action_t (*wait)(void *cpu, void *dst, xbt_maxmin_float_t size);
-} s_surf_timer_resource_t, surf_timer_resource_t;
-extern surf_timer_resource_t surf_timer_resource;
+extern surf_network_resource_t surf_network_resource;
+void surf_network_resource_init(const char *filename);
+
+/* Workstation resource */
+typedef struct surf_workstation_resource_extension_private
+ *surf_workstation_resource_extension_private_t;
+typedef struct surf_workstation_resource_extension_public {
+ surf_action_t(*execute) (void *workstation, xbt_maxmin_float_t size);
+ surf_action_t(*wait) (void *workstation, xbt_maxmin_float_t size);
+ e_surf_cpu_state_t(*get_state) (void *workstation);
+ surf_action_t(*communicate) (void *workstation_src,
+ void *workstation_dst,
+ xbt_maxmin_float_t size);
+} s_surf_workstation_resource_extension_public_t,
+ *surf_workstation_resource_extension_public_t;
+
+typedef struct surf_workstation_resource {
+ surf_resource_private_t common_private;
+ surf_resource_public_t common_public;
+ surf_workstation_resource_extension_public_t extension_public;
+} s_surf_workstation_resource_t, *surf_workstation_resource_t;
+
+extern surf_workstation_resource_t surf_workstation_resource;
+void surf_workstation_resource_init(const char *filename);
/*******************************************/
/*** SURF Globals **************************/
/*******************************************/
-typedef struct surf_global {
- xbt_swag_t ready_action_set;
- xbt_swag_t running_action_set;
- xbt_swag_t failed_action_set;
- xbt_swag_t done_action_set;
-} s_surf_global_t;
-/* The main function */
-extern s_surf_global_t surf_global;
-void surf_init(void); /* initialize all resource objects */
-xbt_heap_float_t surf_solve(void); /* returns the next date */
+void surf_init(int *argc, char **argv); /* initialize common structures */
+xbt_heap_float_t surf_solve(void); /* update all states and returns
+ the time elapsed since last
+ event */
+xbt_heap_float_t surf_get_clock(void);
+void surf_finalize(void); /* clean everything */
#endif /* _SURF_SURF_H */
