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Publishing some internal parsing function.
[simgrid.git] / src / surf / cpu.c
index 8b42a20..83dd5bc 100644 (file)
@@ -6,10 +6,11 @@
 #include "cpu_private.h"
 #include "xbt/dict.h"
 
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(cpu, surf ,"Logging specific to the SURF CPU module");
+
 surf_cpu_resource_t surf_cpu_resource = NULL;
 
 static xbt_dict_t cpu_set = NULL;
-static lmm_system_t sys = NULL;
 
 /* power_scale is the basic power of the cpu when the cpu is
    completely available. initial_power is therefore expected to be
@@ -18,7 +19,16 @@ static lmm_system_t sys = NULL;
    otherwise.
 */
 
-static void *new_cpu(const char *name, xbt_maxmin_float_t power_scale,
+static void cpu_free(void *CPU){
+  cpu_t cpu = CPU;
+
+/* lmm_constraint_free(maxmin_system,cpu->constraint); */
+/* Clean somewhere else ! */
+
+  xbt_free(cpu);
+}
+
+static void *cpu_new(const char *name, xbt_maxmin_float_t power_scale,
                      xbt_maxmin_float_t initial_power, tmgr_trace_t power_trace,
                      e_surf_cpu_state_t initial_state, tmgr_trace_t state_trace)
 {
@@ -37,20 +47,86 @@ static void *new_cpu(const char *name, xbt_maxmin_float_t power_scale,
   if(state_trace) 
     cpu->state_event = tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 
-  cpu->constraint = lmm_constraint_new(sys, cpu, cpu->current_power * cpu->power_scale);
+  cpu->constraint = lmm_constraint_new(maxmin_system, cpu, cpu->current_power * cpu->power_scale);
 
-  xbt_dict_set(cpu_set, name, cpu, NULL);
+  xbt_dict_set(cpu_set, name, cpu, cpu_free);
 
   return cpu;
 }
 
+/*  
+   Semantic:  name       scale     initial     power     initial     state
+                                    power      trace      state      trace
+   
+   Token:   TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD
+   Type:     string      float      float      string     ON/OFF     string
+*/
+
+static void parse_host(void)
+{
+  e_surf_token_t token;
+  char *name = NULL; 
+  xbt_maxmin_float_t power_scale = 0.0;
+  xbt_maxmin_float_t initial_power = 0.0;
+  tmgr_trace_t power_trace = NULL;;
+  e_surf_cpu_state_t initial_state = SURF_CPU_OFF;
+  tmgr_trace_t state_trace = NULL;
+
+  name=xbt_strdup(surf_parse_text);
+
+  token=surf_parse(); /* power_scale */
+  xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+  xbt_assert2((sscanf(surf_parse_text,XBT_MAXMIN_FLOAT_T, &power_scale)==1),
+    "Parse error line %d : %s not a number",line_pos,surf_parse_text);
+
+  token=surf_parse(); /* initial_power */
+  xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+  xbt_assert2((sscanf(surf_parse_text,XBT_MAXMIN_FLOAT_T, &initial_power)==1),
+    "Parse error line %d : %s not a number",line_pos,surf_parse_text);
+
+  token=surf_parse(); /* power_trace */
+  xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+  if(strcmp(surf_parse_text,"")==0) power_trace = NULL;
+  else power_trace = tmgr_trace_new(surf_parse_text);
+
+  token=surf_parse(); /* initial_state */
+  xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+  if(strcmp(surf_parse_text,"ON")==0) initial_state = SURF_CPU_ON;
+  else if(strcmp(surf_parse_text,"OFF")==0) initial_state = SURF_CPU_OFF;
+  else {
+    CRITICAL2("Invalid cpu state (line %d): %s neq ON or OFF\n",line_pos, 
+             surf_parse_text);
+    xbt_abort();
+  }
+
+  token=surf_parse(); /* state_trace */
+  xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+  if(strcmp(surf_parse_text,"")==0) state_trace = NULL;
+  else state_trace = tmgr_trace_new(surf_parse_text);
+
+  cpu_new(name, power_scale, initial_power, power_trace, initial_state, state_trace);
+}
+
 static void parse_file(const char *file)
 {
-  tmgr_trace_t trace_A = tmgr_trace_new("trace_A.txt");
-  tmgr_trace_t trace_B = tmgr_trace_new("trace_B.txt");
+  e_surf_token_t token;
+
+  find_section(file,"CPU");
+
+  while(1) {
+    token=surf_parse();
 
-  new_cpu("Cpu A", 20.0, 1.0, trace_A, SURF_CPU_ON, NULL);
-  new_cpu("Cpu B", 100.0, 1.0, trace_B, SURF_CPU_ON, NULL);
+    if(token==TOKEN_END_SECTION) break;
+    if(token==TOKEN_NEWLINE) continue;
+    
+    if(token==TOKEN_WORD) parse_host();
+    else {
+      CRITICAL1("Parse error line %d\n",line_pos);
+      xbt_abort();
+    }
+  }
+
+  close_section("CPU");  
 }
 
 static void *name_service(const char *name)
@@ -69,21 +145,17 @@ static const char *get_resource_name(void *resource_id)
 
 static int resource_used(void *resource_id)
 {
-  return lmm_constraint_used(sys, ((cpu_t)resource_id)->constraint);
+  return lmm_constraint_used(maxmin_system, ((cpu_t)resource_id)->constraint);
 }
 
-static surf_action_t action_new(void *callback)
+static void action_free(surf_action_t action)
 {
-  return NULL;
-}
+  surf_action_cpu_t Action = (surf_action_cpu_t) action;
 
-static e_surf_action_state_t action_get_state(surf_action_t action)
-{
-  return SURF_ACTION_NOT_IN_THE_SYSTEM;
-}
+  xbt_swag_remove(action,action->state_set);
+  lmm_variable_free(maxmin_system,Action->variable);
+  xbt_free(action);
 
-static void action_free(surf_action_t * action)
-{
   return;
 }
 
@@ -103,13 +175,13 @@ static void action_change_state(surf_action_t action, e_surf_action_state_t stat
   return;
 }
 
-static xbt_heap_float_t share_resources()
+static xbt_heap_float_t share_resources(xbt_heap_float_t now)
 {
   surf_action_cpu_t action = NULL;
   xbt_swag_t running_actions= surf_cpu_resource->common_public->states.running_action_set;
   xbt_maxmin_float_t min = -1;
   xbt_maxmin_float_t value = -1;
-  lmm_solve(sys);  
+  lmm_solve(maxmin_system);  
 
   action = xbt_swag_getFirst(running_actions);
   if(!action) return 0.0;
@@ -131,6 +203,7 @@ static void update_actions_state(xbt_heap_float_t now,
   surf_action_cpu_t action = NULL;
   surf_action_cpu_t next_action = NULL;
   xbt_swag_t running_actions= surf_cpu_resource->common_public->states.running_action_set;
+  xbt_swag_t failed_actions= surf_cpu_resource->common_public->states.failed_action_set;
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
     action->generic_action.remains -= 
@@ -138,7 +211,23 @@ static void update_actions_state(xbt_heap_float_t now,
 /*     if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
     if(action->generic_action.remains<=0) {
       action_change_state((surf_action_t)action, SURF_ACTION_DONE);
-    } /* else if(host_failed..) */
+    } else { /* Need to check that none of the resource has failed*/
+      lmm_constraint_t cnst = NULL;
+      int i=0;
+      cpu_t cpu = NULL;
+
+      while((cnst=lmm_get_cnst_from_var(maxmin_system, action->variable, i++))) {
+       cpu = lmm_constraint_id(cnst);
+       if(cpu->current_state==SURF_CPU_OFF) {
+         action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
+         break;
+       }
+      }
+    }
+  }
+
+  xbt_swag_foreach_safe(action, next_action, failed_actions) {
+    lmm_variable_disable(maxmin_system, action->variable);
   }
 
   return;
@@ -150,8 +239,8 @@ static void update_resource_state(void *id,
 {
   cpu_t cpu = id;
   
-  printf("Asking to update \"%s\" with value " XBT_MAXMIN_FLOAT_T " for event %p\n",
-        cpu->name, value, event_type);
+  printf("[" XBT_HEAP_FLOAT_T "] Asking to update \"%s\" with value " XBT_MAXMIN_FLOAT_T " for event %p\n",
+        surf_get_clock(), cpu->name, value, event_type);
   
   if(event_type==cpu->power_event) {
     cpu->current_power = value;
@@ -159,16 +248,16 @@ static void update_resource_state(void *id,
   } else if (event_type==cpu->state_event) {
     if(value>0) cpu->current_state = SURF_CPU_ON;
     else cpu->current_state = SURF_CPU_OFF;
-  } else abort();
+  } else {CRITICAL0("Unknown event ! \n");xbt_abort();}
 
   return;
 }
 
 static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
 {
-  lmm_variable_t var;
   surf_action_cpu_t action = NULL;
-
+  cpu_t CPU = cpu;
+  
   action=xbt_new0(s_surf_action_cpu_t,1);
 
   action->generic_action.cost=size;
@@ -178,11 +267,14 @@ static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
   action->generic_action.callback=cpu;
   action->generic_action.resource_type=(surf_resource_t)surf_cpu_resource;
 
-  action->generic_action.state_set=surf_cpu_resource->common_public->states.running_action_set;
+  if(CPU->current_state==SURF_CPU_ON) 
+    action->generic_action.state_set=surf_cpu_resource->common_public->states.running_action_set;
+  else 
+    action->generic_action.state_set=surf_cpu_resource->common_public->states.failed_action_set;
   xbt_swag_insert(action,action->generic_action.state_set);
 
-  action->variable = lmm_variable_new(sys, action, 1.0, -1.0, 1);
-  lmm_expand(sys, ((cpu_t)cpu)->constraint, action->variable, 1.0);
+  action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0, 1);
+  lmm_expand(maxmin_system, ((cpu_t)cpu)->constraint, action->variable, 1.0);
 
   return (surf_action_t) action;
 }
@@ -192,6 +284,21 @@ static e_surf_cpu_state_t get_state(void *cpu)
   return SURF_CPU_OFF;
 }
 
+static void finalize(void)
+{
+  xbt_dict_free(&cpu_set);
+  xbt_swag_free(surf_cpu_resource->common_public->states.ready_action_set);
+  xbt_swag_free(surf_cpu_resource->common_public->states.running_action_set);
+  xbt_swag_free(surf_cpu_resource->common_public->states.failed_action_set);
+  xbt_swag_free(surf_cpu_resource->common_public->states.done_action_set);
+  xbt_free(surf_cpu_resource->common_public);
+  xbt_free(surf_cpu_resource->common_private);
+  xbt_free(surf_cpu_resource->extension_public);
+
+  xbt_free(surf_cpu_resource);
+  surf_cpu_resource = NULL;
+}
+
 static void surf_cpu_resource_init_internal(void)
 {
   s_surf_action_t action;
@@ -220,16 +327,18 @@ static void surf_cpu_resource_init_internal(void)
   surf_cpu_resource->common_public->action_cancel = action_cancel;
   surf_cpu_resource->common_public->action_recycle = action_recycle;
   surf_cpu_resource->common_public->action_change_state = action_change_state;
+
   surf_cpu_resource->common_private->share_resources = share_resources;
   surf_cpu_resource->common_private->update_actions_state = update_actions_state;
   surf_cpu_resource->common_private->update_resource_state = update_resource_state;
+  surf_cpu_resource->common_private->finalize = finalize;
 
   surf_cpu_resource->extension_public->execute = execute;
   surf_cpu_resource->extension_public->get_state = get_state;
 
   cpu_set = xbt_dict_new();
 
-  sys = lmm_system_new();
+  xbt_assert0(maxmin_system,"surf_init has to be called first!");
 }
 
 void surf_cpu_resource_init(const char* filename)