/********************************* Host **************************************/
-struct s_m_host {
+typedef struct sim_data_host *sim_data_host_t;
+typedef struct m_host {
char *name; /* host name if any */
- void *simdata; /* simulator data */
+ sim_data_host_t simdata; /* simulator data */
void *data; /* user data */
-};
+} s_m_host_t;
/** \brief Host datatype
\ingroup m_datatypes_management
\see m_host_management
*/
-typedef struct s_m_host *m_host_t;
+typedef s_m_host_t *m_host_t;
/********************************* Task **************************************/
-struct s_m_task {
+typedef struct sim_data_task *sim_data_task_t;
+typedef struct m_task {
char *name; /* host name if any */
- void *simdata; /* simulator data */
+ sim_data_task_t simdata; /* simulator data */
void *data; /* user data */
-};
+} s_m_task_t;
+
/** \brief Task datatype
\ingroup m_datatypes_management
data</em>.
\see m_task_management
*/
-typedef struct s_m_task *m_task_t;
+typedef s_m_task_t *m_task_t;
/** \brief Default value for an uninitialized #m_task_t.
\ingroup m_datatypes_management
*/
#define MSG_TASK_UNINITIALIZED NULL
-/******************************* Process *************************************/
-struct s_m_process {
+/******************************* Process *************************************/
+typedef struct sim_data_process *sim_data_process_t;
+typedef struct m_process {
char *name; /* process name if any */
- void *simdata; /* simulator data */
+ sim_data_process_t simdata; /* simulator data */
void *data; /* user data */
-};
+} s_m_process_t;
/** \brief Agent datatype
\ingroup m_datatypes_management
An agent may be defined as a <em>code</em>, with some <em>private
data</em>, executing in a <em>location</em>.
\see m_process_management
*/
-typedef struct s_m_process *m_process_t;
+typedef s_m_process_t *m_process_t;
/** \brief Agent code datatype
\ingroup m_datatypes_management
The code of an agent is a m_process_code_t, i.e. a function with no arguments
surf/surf_parse.l surf/surf_parse.h \
surf/network_private.h \
\
+ msg/private.h \
+ \
gras/Transport/transport_interface.h \
gras/Virtu/virtu_interface.h \
gras/Virtu/virtu_rl.h \
surf/surf_parse.c \
surf/cpu.c surf/network.c surf/workstation.c \
\
+ msg/task.c \
+ \
gras/gras.c \
\
gras/Transport/transport.c gras/Transport/transport_private.h gras/Transport/transport_plugin_buf.c \
--- /dev/null
+/**** MSG_LICENCE DO NOT REMOVE ****/
+
+#ifndef METASIMGRID_PRIVATE_H
+#define METASIMGRID_PRIVATE_H
+
+#include "msg/msg.h"
+#include "surf/surf.h"
+#include "xbt/fifo.h"
+#include "xbt/dynar.h"
+#include "xbt/swag.h"
+#include "xbt/dict.h"
+#include "xbt/context.h"
+
+/**************** datatypes **********************************/
+
+typedef enum {
+ HOST_DOWN = 0,
+ HOST_ALIVE = 1
+} m_host_state_t;
+
+typedef struct sim_data_host {
+ void *host; /* SURF modeling */
+ xbt_fifo_t *mbox; /* array of FIFOs used as a mailboxes */
+ xbt_context_t *sleeping; /* array of context used to know whether a process is
+ waiting for a communication on a channel */
+ m_host_state_t state;
+ s_xbt_swag_t process_list;
+} s_sim_data_host_t;
+
+/********************************* Task **************************************/
+
+typedef struct sim_data_task {
+ surf_action_t compute; /* SURF modeling of computation */
+ surf_action_t comm; /* SURF modeling of communication */
+ double message_size; /* Data size */
+ double computation_amount; /* Computation size */
+ xbt_dynar_t sleeping; /* process to wake-up */
+} s_sim_data_task_t;
+
+/******************************* Process *************************************/
+
+typedef struct sim_data_process {
+ s_xbt_swag_hookup_t host_hookup; /* link to other process running on the same location */
+ m_host_t host; /* the host on which the process is running */
+ xbt_context_t context; /* the context that executes the scheduler fonction */
+ int PID; /* used for debugging purposes */
+ int PPID; /* The parent PID */
+ m_task_t waiting_task; /* used for debugging purposes */
+ m_host_t put_host; /* used for debugging purposes */
+ int put_channel; /* used for debugging purposes */
+ int argc; /* arguments number if any */
+ char **argv; /* arguments table if any */
+ MSG_error_t last_errno; /* the last value returned by a MSG_function */
+} s_sim_data_process_t;
+
+/************************** Global variables ********************************/
+typedef struct MSG_Global {
+ xbt_fifo_t host;
+ xbt_fifo_t link;
+ xbt_fifo_t process_to_run;
+ xbt_fifo_t process;
+ int max_channel;
+ m_process_t current_process;
+ xbt_dict_t registered_functions;
+} s_MSG_global_t, *MSG_Global_t;
+
+extern MSG_Global_t msg_global;
+
+/*************************************************************/
+
+#define PROCESS_SET_ERRNO(val) (((sim_data_process_t)(MSG_process_self()->simdata))->last_errno=val)
+#define PROCESS_GET_ERRNO() (((sim_data_process_t)(MSG_process_self()->simdata))->last_errno)
+#define MSG_RETURN(val) do {PROCESS_SET_ERRNO(val);return(val);} while(0)
+/* #define CHECK_ERRNO() ASSERT((PROCESS_GET_ERRNO()!=MSG_HOST_FAILURE),"Host failed, you cannot call this function.") */
+
+#define CHECK_HOST() ASSERT((((sim_data_host_t) MSG_host_self()->simdata)->state==HOST_ALIVE),"Host failed, you cannot call this function.")
+
+m_task_t __MSG_task_copy(m_task_t task);
+MSG_error_t __MSG_task_wait_event(m_process_t process, m_task_t task);
+
+MSG_error_t __MSG_task_check(m_task_t task);
+
+
+#endif
--- /dev/null
+/* $Id$ */
+
+/* Copyright (c) 2002,2003,2004 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. */
+
+#include"private.h"
+#include"xbt/sysdep.h"
+#include "xbt/error.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(task, msg,
+ "Logging specific to MSG module (task)");
+
+static char sprint_buffer[64];
+
+/********************************* Task **************************************/
+/** \ingroup m_task_management
+ * \brief Creates a new #m_task_t.
+ *
+ * A constructor for #m_task_t taking four arguments and returning the
+ corresponding object.
+ * \param name a name for the object. It is for user-level information
+ and can be NULL.
+ * \param compute_duration a value of the processing amount (in Mflop)
+ needed to process this new task. If 0, then it cannot be executed with
+ MSG_task_execute(). This value has to be >=0.
+ * \param message_size a value of the amount of data (in Mb) needed to
+ transfer this new task. If 0, then it cannot be transfered with
+ MSG_task_get() and MSG_task_put(). This value has to be >=0.
+ * \param data a pointer to any data may want to attach to the new
+ object. It is for user-level information and can be NULL. It can
+ be retrieved with the function \ref MSG_task_get_data.
+ * \see m_task_t
+ * \return The new corresponding object.
+ */
+m_task_t MSG_task_create(const char *name, long double compute_duration,
+ long double message_size, void *data)
+{
+ sim_data_task_t sim_data = xbt_new0(s_sim_data_task_t,1);
+ m_task_t task = xbt_new0(s_m_task_t,1);
+
+ /* Task structure */
+ task->name = xbt_strdup(name);
+ task->simdata = sim_data;
+ task->data = data;
+
+ /* Simulator Data */
+ sim_data->sleeping = xbt_dynar_new(sizeof(m_process_t),NULL);
+ sim_data->computation_amount = compute_duration;
+ sim_data->message_size = message_size;
+
+ return task;
+}
+
+/** \ingroup m_task_management
+ * \brief Return the user data of a #m_task_t.
+ *
+ * This functions checks whether \a task is a valid pointer or not and return
+ the user data associated to \a task if it is possible.
+ */
+void *MSG_task_get_data(m_task_t task)
+{
+ xbt_assert0((task != NULL), "Invalid parameter");
+
+ return (task->data);
+}
+
+/** \ingroup m_task_management
+ * \brief Destroy a #m_task_t.
+ *
+ * Destructor for #m_task_t. Note that you should free user data, if any, \b
+ before calling this function.
+ */
+MSG_error_t MSG_task_destroy(m_task_t task)
+{
+ sim_data_task_t sim_data = NULL;
+ surf_action_t action = NULL;
+ int i;
+
+ xbt_assert0((task != NULL), "Invalid parameter");
+ xbt_assert0((xbt_dynar_length(task->simdata->sleeping)==0),
+ "Task still used. Cannot destroy it now!");
+
+ if(task->name) xbt_free(task->name);
+
+ xbt_dynar_free(&(task->simdata->sleeping));
+
+ action = task->simdata->compute;
+ if(action) action->resource_type->common_public->action_free(action);
+ action = task->simdata->comm;
+ if(action) action->resource_type->common_public->action_free(action);
+
+
+ xbt_free(task->simdata);
+ xbt_free(task);
+
+ return MSG_OK;
+}
+
+/* static MSG_error_t __MSG_task_check(m_task_t task) */
+/* { */
+/* sim_data_task_t sim_data = NULL; */
+/* int warning = 0; */
+
+/* if (task == NULL) { /\* Fatal *\/ */
+/* WARNING("Task uninitialized"); */
+/* return MSG_FATAL; */
+/* } */
+/* sim_data = task->simdata; */
+
+/* if (sim_data == NULL) { /\* Fatal *\/ */
+/* WARNING("Simulator Data uninitialized"); */
+/* return MSG_FATAL; */
+/* } */
+
+/* if (sim_data->compute == NULL) { /\* Fatal if execute ... *\/ */
+/* WARNING("No duration set for this task"); */
+/* warning++; */
+/* } */
+
+/* if (sim_data->message_size == 0) { /\* Fatal if transfered ... *\/ */
+/* WARNING("No message_size set for this task"); */
+/* warning++; */
+/* } */
+
+/* /\* if (task->data == NULL) { *\/ */
+/* /\* WARNING("User Data uninitialized"); *\/ */
+/* /\* warning++; *\/ */
+/* /\* } *\/ */
+
+/* if (warning) */
+/* return MSG_WARNING; */
+/* return MSG_OK; */
+/* } */
+
+/* static m_task_t __MSG_task_copy(m_task_t src) */
+/* { */
+/* m_task_t copy = NULL; */
+/* sim_data_task_t sim_data = NULL; */
+
+/* __MSG_task_check(src); */
+
+/* sim_data = src->simdata; */
+/* copy = MSG_task_create(src->name, SG_getTaskCost(sim_data->compute), */
+/* sim_data->message_size, MSG_task_get_data(src)); */
+
+/* return (copy); */
+/* } */
+
+MSG_error_t __MSG_task_wait_event(m_process_t process, m_task_t task)
+{
+ xbt_assert0(((task != NULL)
+ && (task->simdata != NULL)), "Invalid parameters");
+
+ xbt_dynar_push(task->simdata->sleeping, process);
+ process->simdata->waiting_task = task;
+ xbt_context_yield(process->simdata->context);
+ process->simdata->waiting_task = NULL;
+
+ return MSG_OK;
+}
