src/msg/private.h

   1 /*     $Id$      */
   2
   3 /* Copyright (c) 2002-2007 Arnaud Legrand.                                  */
   4 /* Copyright (c) 2007 Bruno Donassolo.                                      */
   5 /* All rights reserved.                                                     */
   6
   7 /* This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the license (GNU LGPL) which comes with this package. */
   9
  10 #ifndef METASIMGRID_PRIVATE_H
  11 #define METASIMGRID_PRIVATE_H
  12
  13 #include <stdio.h>
  14 #include "msg/msg.h"
  15 #include "simix/simix.h"
  16 #include "surf/surf.h"
  17 #include "xbt/fifo.h"
  18 #include "xbt/dynar.h"
  19 #include "xbt/swag.h"
  20 #include "xbt/dict.h"
  21 #include "xbt/context.h"
  22 #include "xbt/config.h"
  23
  24 SG_BEGIN_DECL()
  25
  26 /**************** datatypes **********************************/
  27 /* this structure represents a mailbox */
  28      typedef struct s_msg_mailbox {
  29        char *alias;             /* the key of the mailbox in the global dictionary                      */
  30        xbt_fifo_t tasks;        /* the list of the tasks in the mailbox                                         */
  31        smx_cond_t cond;         /* the condition on the mailbox                                                         */
  32        char *hostname;          /* the name of the host containing the mailbox                          */
  33      } s_msg_mailbox_t;
  34
  35      typedef struct simdata_host {
  36        smx_host_t smx_host;     /* SURF modeling                                                                */
  37        struct s_msg_mailbox **mailboxes;        /* mailboxes to store msg tasks of of the host  */
  38        smx_mutex_t mutex;       /* mutex to access the host                                     */
  39      } s_simdata_host_t;
  40
  41 /********************************* Task **************************************/
  42
  43      typedef struct simdata_task {
  44        smx_action_t compute;    /* SURF modeling of computation  */
  45        smx_action_t comm;       /* SURF modeling of communication  */
  46        double message_size;     /* Data size  */
  47        double computation_amount;       /* Computation size  */
  48        smx_cond_t cond;
  49        smx_mutex_t mutex;       /* Task mutex */
  50        m_process_t sender;
  51        m_process_t receiver;
  52        m_host_t source;
  53        double priority;
  54        double rate;
  55        int refcount;
  56   /*******  Parallel Tasks Only !!!! *******/
  57        int host_nb;
  58        smx_host_t *host_list;
  59        double *comp_amount;
  60        double *comm_amount;
  61      } s_simdata_task_t;
  62
  63 /******************************* Process *************************************/
  64
  65      typedef struct simdata_process {
  66        m_host_t m_host;         /* the host on which the process is running */
  67        smx_process_t s_process;
  68        int PID;                 /* used for debugging purposes */
  69        int PPID;                /* The parent PID */
  70        m_host_t put_host;       /* used for debugging purposes */
  71        m_channel_t put_channel; /* used for debugging purposes */
  72        m_task_t waiting_task;
  73        int argc;                /* arguments number if any */
  74        char **argv;             /* arguments table if any */
  75        MSG_error_t last_errno;  /* the last value returned by a MSG_function */
  76      } s_simdata_process_t;
  77
  78      typedef struct process_arg {
  79        const char *name;
  80        xbt_main_func_t code;
  81        void *data;
  82        m_host_t m_host;
  83        int argc;
  84        char **argv;
  85        double kill_time;
  86      } s_process_arg_t, *process_arg_t;
  87
  88 /************************** Global variables ********************************/
  89      typedef struct MSG_Global {
  90        xbt_fifo_t host;
  91        xbt_fifo_t process_list;
  92        int max_channel;
  93        int PID;
  94        int session;
  95        unsigned long int sent_msg;      /* Total amount of messages sent during the simulation */
  96      } s_MSG_Global_t, *MSG_Global_t;
  97
  98 /*extern MSG_Global_t msg_global;*/
  99 XBT_PUBLIC_DATA(MSG_Global_t) msg_global;
 100
 101
 102 /*************************************************************/
 103
 104 #define PROCESS_SET_ERRNO(val) (MSG_process_self()->simdata->last_errno=val)
 105 #define PROCESS_GET_ERRNO() (MSG_process_self()->simdata->last_errno)
 106 #define MSG_RETURN(val) do {PROCESS_SET_ERRNO(val);return(val);} while(0)
 107 /* #define CHECK_ERRNO()  ASSERT((PROCESS_GET_ERRNO()!=MSG_HOST_FAILURE),"Host failed, you cannot call this function.") */
 108
 109 #define CHECK_HOST()  xbt_assert1(SIMIX_host_get_state(SIMIX_host_self())==1,\
 110                                   "Host failed, you cannot call this function. (state=%d)",SIMIX_host_get_state(SIMIX_host_self()))
 111
 112      m_host_t __MSG_host_create(smx_host_t workstation, void *data);
 113
 114      void __MSG_host_destroy(m_host_t host);
 115
 116      void __MSG_display_process_status(void);
 117
 118      void __MSG_process_cleanup(void *arg);
 119      void *_MSG_process_create_from_SIMIX(const char *name,
 120                                           xbt_main_func_t code, void *data,
 121                                           char *hostname, int argc,
 122                                           char **argv, xbt_dict_t properties);
 123      void _MSG_process_kill_from_SIMIX(void *p);
 124
 125      void _MSG_action_init(void);
 126
 127 SG_END_DECL()
 128 #endif