#include "private.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
+#include "xbt/dict.h"
-/** \defgroup m_host_management Management functions of Hosts
- * \brief This section describes the host structure of MSG
- *
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Hosts" --> \endhtmlonly
- * (#m_host_t) and the functions for managing it.
- *
- * A <em>location</em> (or <em>host</em>) is any possible place where
- * a process may run. Thus it may be represented as a
- * <em>physical resource with computing capabilities</em>, some
- * <em>mailboxes</em> to enable running process to communicate with
- * remote ones, and some <em>private data</em> that can be only
- * accessed by local process.
- * \see m_host_t
- */
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_host, simix,
+ "Logging specific to SIMIX (hosts)");
/********************************* Host **************************************/
smx_host_t __SIMIX_host_create(const char *name,
- void *workstation,
- void *data)
+ void *workstation, void *data)
{
- simdata_host_t simdata = xbt_new0(s_simdata_host_t,1);
- smx_host_t host = xbt_new0(s_smx_host_t,1);
+ smx_host_t smx_host = xbt_new0(s_smx_host_t, 1);
s_smx_process_t proc;
/* Host structure */
- host->name = xbt_strdup(name);
- host->simdata = simdata;
- host->data = data;
-
- simdata->host = workstation;
+ smx_host->name = xbt_strdup(name);
+ smx_host->data = data;
+ smx_host->host = workstation;
+ smx_host->process_list = xbt_swag_new(xbt_swag_offset(proc, host_proc_hookup));
- simdata->process_list = xbt_swag_new(xbt_swag_offset(proc, host_proc_hookup));
/* Update global variables */
+ xbt_dict_set(simix_global->host, smx_host->name, smx_host, &__SIMIX_host_destroy);
- xbt_fifo_unshift(simix_global->host, host);
-
- return host;
+ return smx_host;
}
-/** \ingroup m_host_management
+/**
+ * \brief Set the user data of a #smx_host_t.
*
- * \brief Set the user data of a #m_host_t.
+ * This functions checks whether some data has already been associated to \a host or not and attach \a data to \a host if it is possible.
+ * \param host SIMIX host
+ * \param data User data
*
- * This functions checks whether some data has already been associated to \a host
- or not and attach \a data to \a host if it is possible.
*/
-void SIMIX_host_set_data(smx_host_t host, void *data)
+XBT_INLINE void SIMIX_host_set_data(smx_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 */
host->data = data;
- return ;
+ return;
}
-/** \ingroup m_host_management
+/**
+ * \brief Return the user data of a #smx_host_t.
*
- * \brief Return the user data of a #m_host_t.
- *
- * This functions checks whether \a host is a valid pointer or not and return
- the user data associated to \a host if it is possible.
+ * This functions checks whether \a host is a valid pointer or not and return the user data associated to \a host if it is possible.
+ * \param host SIMIX host
*/
-void *SIMIX_host_get_data(smx_host_t host)
+XBT_INLINE void *SIMIX_host_get_data(smx_host_t host)
{
-
xbt_assert0((host != NULL), "Invalid parameters");
/* Return data */
- return (host->data);
+ return host->data;
}
-/** \ingroup m_host_management
- *
- * \brief Return the name of the #m_host_t.
+/**
+ * \brief Return the name of the #smx_host_t.
*
- * This functions checks whether \a host is a valid pointer or not and return
- its name.
+ * This functions checks whether \a host is a valid pointer or not and return its name.
+ * \param host SIMIX host
*/
-const char *SIMIX_host_get_name(smx_host_t host)
+XBT_INLINE const char *SIMIX_host_get_name(smx_host_t host)
{
- xbt_assert0((host != NULL) && (host->simdata != NULL), "Invalid parameters");
+ xbt_assert0((host != NULL), "Invalid parameters");
/* Return data */
- return (host->name);
+ return host->name;
}
-/** \ingroup m_host_management
- *
+/**
* \brief Return the location on which the current process is executed.
+ *
+ * Return the host, more details in #SIMIX_process_get_host
+ * \return SIMIX host
*/
-smx_host_t SIMIX_host_self(void)
+XBT_INLINE smx_host_t SIMIX_host_self(void)
{
return SIMIX_process_get_host(SIMIX_process_self());
}
/*
* Real function for destroy a host.
- * MSG_host_destroy is just a front_end that also removes it from
+ * MSG_host_destroy is just a front_end that also removes it from
* msg_global->host
*/
-void __SIMIX_host_destroy(smx_host_t host)
+void __SIMIX_host_destroy(void *h)
{
- simdata_host_t simdata = NULL;
+ smx_host_t host = (smx_host_t) h;
xbt_assert0((host != NULL), "Invalid parameters");
-
/* Clean Simulator data */
- simdata = host->simdata;
+ if (xbt_swag_size(host->process_list) != 0) {
+ char *msg = bprintf("Shutting down host %s, but it's not empty:", host->name);
+ char *tmp;
+ smx_process_t process = NULL;
- xbt_assert0((xbt_swag_size(simdata->process_list)==0),
- "Some process are still running on this host");
- xbt_swag_free(simdata->process_list);
+ xbt_swag_foreach(process, host->process_list) {
+ tmp = bprintf("%s\n\t%s", msg, process->name);
+ free(msg);
+ msg = tmp;
+ }
+ THROW1(arg_error, 0, "%s", msg);
+ }
- free(simdata);
+ xbt_swag_free(host->process_list);
/* Clean host structure */
free(host->name);
return;
}
-/** \ingroup m_host_management
- * \brief Return the current number of #m_host_t.
+/**
+ * \brief Return the current number of #smx_host_t.
+ *
+ * \return Number of hosts
*/
-int SIMIX_get_host_number(void)
+XBT_INLINE int SIMIX_host_get_number(void)
{
- return (xbt_fifo_size(simix_global->host));
+ return (xbt_dict_size(simix_global->host));
}
-/** \ingroup m_host_management
- * \brief Return a array of all the #m_host_t.
+
+/**
+ * \brief Return an array of all the #smx_host_t.
+ *
+ * \return List of all hosts (in a newly allocated table)
*/
-smx_host_t *SIMIX_get_host_table(void)
+smx_host_t *SIMIX_host_get_table(void)
{
- return ((smx_host_t *)xbt_fifo_to_array(simix_global->host));
+ smx_host_t *res = xbt_new(smx_host_t, xbt_dict_size(simix_global->host));
+ smx_host_t h;
+ xbt_dict_cursor_t c;
+ char *name;
+ int i = 0;
+
+ xbt_dict_foreach(simix_global->host, c, name, h)
+ res[i++] = h;
+
+ return res;
}
+/**
+ * \brief Return a dict of all the #smx_host_t.
+ *
+ * \return List of all hosts (as a #xbt_dict_t)
+ */
+XBT_INLINE xbt_dict_t SIMIX_host_get_dict(void)
+{
+ return simix_global->host;
+}
-/** \ingroup m_host_management
- * \brief Return the speed of the processor (in Mflop/s), regardless of
- the current load on the machine.
+/**
+ * \brief Return the speed of the processor.
+ *
+ * Return the speed (in Mflop/s), regardless of the current load on the machine.
+ * \param host SIMIX host
+ * \return Speed
+ */
+XBT_INLINE double SIMIX_host_get_speed(smx_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
+
+ return (surf_workstation_model->extension.workstation.
+ get_speed(host->host, 1.0));
+}
+
+/**
+ * \brief Return the available speed of the processor.
+ *
+ * Return the available speed (in Mflop/s).
+ * \return Speed
+ */
+XBT_INLINE double SIMIX_host_get_available_speed(smx_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
+
+ return (surf_workstation_model->extension.workstation.
+ get_available_speed(host->host));
+}
+
+/**
+ * \brief Return the host by its name
+ *
+ * Finds a smx_host_t using its name.
+ * \param name The name of an host.
+ * \return The corresponding host
*/
-double SIMIX_get_host_speed(smx_host_t h)
+XBT_INLINE smx_host_t SIMIX_host_get_by_name(const char *name)
{
- xbt_assert0((h!= NULL), "Invalid parameters");
+ xbt_assert0(((simix_global != NULL)
+ && (simix_global->host != NULL)), "Environment not set yet");
- return(surf_workstation_resource->
- extension_public->get_speed(h->simdata->host,1.0));
+ return xbt_dict_get_or_null(simix_global->host, name);
}
-/** \ingroup msg_gos_functions
- * \brief Determine if a host is available.
+/**
+ * \brief Returns a xbt_dynar_t consisting of the list of properties assigned to this host
*
- * \param h host to test
+ * \param host a host
+ * \return the dynamic array consisting of property names
*/
-int SIMIX_host_is_avail (smx_host_t h)
+XBT_INLINE xbt_dict_t SIMIX_host_get_properties(smx_host_t host)
{
- e_surf_cpu_state_t cpustate;
- xbt_assert0((h!= NULL), "Invalid parameters");
+ xbt_assert0((host != NULL), "Invalid parameters (simix host is NULL)");
+
+ return surf_workstation_model->extension.workstation.get_properties(host->host);
+}
- cpustate =
- surf_workstation_resource->extension_public->get_state(h->simdata->host);
- xbt_assert0((cpustate == SURF_CPU_ON || cpustate == SURF_CPU_OFF),
- "Invalid cpu state");
+/**
+ * \brief Return the state of a workstation
+ *
+ * Return the state of a workstation. Two states are possible, 1 if the host is active or 0 if it has crashed.
+ * \param host The SIMIX host
+ * \return 1 if host is available or 0 if not.
+ */
+XBT_INLINE int SIMIX_host_get_state(smx_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters (simix host is NULL)");
- return (cpustate==SURF_CPU_ON);
+ return (surf_workstation_model->extension.workstation.
+ get_state(host->host));
}
