/* $Id$ */
-
+
/* Copyright (c) 2002-2007 Arnaud Legrand. */
/* Copyright (c) 2007 Bruno Donassolo. */
/* 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 "msg/private.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
+#include "mailbox.h"
/** \defgroup m_host_management Management functions of Hosts
* \brief This section describes the host structure of MSG
/********************************* Host **************************************/
m_host_t __MSG_host_create(smx_host_t workstation, void *data)
{
- const char * name;
- simdata_host_t simdata = xbt_new0(s_simdata_host_t,1);
- m_host_t host = xbt_new0(s_m_host_t,1);
- int i;
-
+ const char *name;
+ simdata_host_t simdata = xbt_new0(s_simdata_host_t, 1);
+ m_host_t host = xbt_new0(s_m_host_t, 1);
+ int i;
+
+ char alias[MAX_ALIAS_NAME +1] = {0}; /* buffer used to build the key of the mailbox */
+
name = SIMIX_host_get_name(workstation);
- /* Host structure */
- host->name = xbt_strdup(name);
- host->simdata = simdata;
- host->data = data;
-
- simdata->host = workstation;
-
- simdata->mbox = xbt_new0(xbt_fifo_t, msg_global->max_channel);
- for (i = 0; i < msg_global->max_channel; i++)
- simdata->mbox[i] = xbt_fifo_new();
-
- simdata->sleeping = xbt_new0(smx_cond_t, msg_global->max_channel);
- simdata->mutex = SIMIX_mutex_init();
+ /* Host structure */
+ host->name = xbt_strdup(name);
+ host->simdata = simdata;
+ host->data = data;
+
+ simdata->smx_host = workstation;
+
+ simdata->mailboxes = xbt_new0(msg_mailbox_t, msg_global->max_channel);
+
+ for (i = 0; i < msg_global->max_channel; i++)
+ {
+ sprintf(alias,"%s:%d",name,i);
+
+ /* the key of the mailbox (in this case) is build from the name of the host and the channel number */
+ simdata->mailboxes[i] = MSG_mailbox_create(alias);
+ MSG_mailbox_set_hostname(simdata->mailboxes[i],name);
+ memset(alias,0,MAX_ALIAS_NAME +1);
+ }
+
+ simdata->mutex = SIMIX_mutex_init();
SIMIX_host_set_data(workstation, host);
-
- /* Update global variables */
+
+ /* Update global variables */
xbt_fifo_unshift(msg_global->host, host);
-
- return host;
+
+ return host;
}
/** \ingroup m_host_management
or not and attach \a data to \a host if it is possible.
*/
MSG_error_t MSG_host_set_data(m_host_t host, void *data)
-{
- xbt_assert0((host!=NULL), "Invalid parameters");
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
xbt_assert0((host->data == NULL), "Data already set");
/* Assign data */
const char *MSG_host_get_name(m_host_t host)
{
- xbt_assert0((host != NULL) && (host->simdata != NULL), "Invalid parameters");
+ xbt_assert0((host != NULL)
+ && (host->simdata != NULL), "Invalid parameters");
/* Return data */
return (host->name);
}
/*
- * Real function for destroy a host.
+ * Real function to destroy a host.
* MSG_host_destroy is just a front_end that also removes it from
* msg_global->host
*/
void __MSG_host_destroy(m_host_t host)
{
- simdata_host_t simdata = NULL;
- int i = 0;
-
- xbt_assert0((host != NULL), "Invalid parameters");
-
- /* Clean Simulator data */
+ simdata_host_t simdata = NULL;
+ int i = 0;
+ char alias[MAX_ALIAS_NAME +1] = {0}; /* buffer used to build the key of the mailbox */
+
+ xbt_assert0((host != NULL), "Invalid parameters");
+
+ /* Clean Simulator data */
/* SIMIX host will be cleaned when MSG_clean calls SIMIX_clean */
- simdata = (host)->simdata;
-
- for (i = 0; i < msg_global->max_channel; i++)
- xbt_fifo_free(simdata->mbox[i]);
- free(simdata->mbox);
- free(simdata->sleeping);
+ simdata = (host)->simdata;
+
+ for (i = 0; i < msg_global->max_channel; i++)
+ {
+ sprintf(alias,"%s:%d",host->name,i);
+ MSG_mailbox_free((void*)(simdata->mailboxes[i]));
+ memset(alias,0,MAX_ALIAS_NAME +1);
+ }
+
+ free(simdata->mailboxes);
SIMIX_mutex_destroy(simdata->mutex);
- free(simdata);
-
- /* Clean host structure */
- free(host->name);
- free(host);
+ free(simdata);
+
+ /* Clean host structure */
+ free(host->name);
+ free(host);
+
- return;
}
/** \ingroup m_host_management
*/
m_host_t *MSG_get_host_table(void)
{
- return ((m_host_t *)xbt_fifo_to_array(msg_global->host));
+ return ((m_host_t *) xbt_fifo_to_array(msg_global->host));
}
/** \ingroup m_host_management
*/
int MSG_get_host_msgload(m_host_t h)
{
- xbt_assert0((h!= NULL), "Invalid parameters");
+ xbt_assert0((h != NULL), "Invalid parameters");
xbt_assert0(0, "Not implemented yet");
- return(0);
+ return (0);
}
/** \ingroup m_host_management
*/
double MSG_get_host_speed(m_host_t h)
{
- xbt_assert0((h!= NULL), "Invalid parameters");
+ xbt_assert0((h != NULL), "Invalid parameters");
- return(SIMIX_host_get_speed(h->simdata->host));
+ return (SIMIX_host_get_speed(h->simdata->smx_host));
}
+/** \ingroup m_host_management
+ * \brief Returns the value of a given host property
+ *
+ * \param host a host
+ * \param name a property name
+ * \return value of a property (or NULL if property not set)
+ */
+const char* MSG_host_get_property_value(m_host_t host, const char* name)
+{
+ return xbt_dict_get_or_null(MSG_host_get_properties(host), name);
+}
+
+/** \ingroup m_host_management
+ * \brief Returns a xbt_dynar_t consisting of the list of properties assigned to this host
+ *
+ * \param host a host
+ * \return a dict containing the properties
+ */
+xbt_dict_t MSG_host_get_properties(m_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
+
+ return (SIMIX_host_get_properties(host->simdata->smx_host));
+}
+
+
/** \ingroup msg_gos_functions
* \brief Determine if a host is available.
*
* \param h host to test
*/
-int MSG_host_is_avail (m_host_t h)
+int MSG_host_is_avail(m_host_t h)
{
- xbt_assert0((h!= NULL), "Invalid parameters");
- return (SIMIX_host_get_state(h->simdata->host));
+ xbt_assert0((h != NULL), "Invalid parameters");
+ return (SIMIX_host_get_state(h->simdata->smx_host));
}
