#include "xbt/sysdep.h"
#include "xbt/log.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_simdata_host_t simdata = xbt_new0(s_smx_simdata_host_t, 1);
+ smx_host_t host = xbt_new0(s_smx_host_t, 1);
s_smx_process_t proc;
/* Host structure */
simdata->host = workstation;
- simdata->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_fifo_unshift(simix_global->host, host);
return 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.
*/
-SIMIX_error_t SIMIX_host_set_data(smx_host_t host, void *data)
+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 SIMIX_OK;
+ 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_assert0((host != NULL), "Invalid parameters");
/* Return data */
return (host->data);
}
-/** \ingroup m_host_management
+/**
+ * \brief Return the name of the #smx_host_t.
*
- * \brief Return the name of the #m_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_assert0((host != NULL) && (host->simdata != NULL), "Invalid parameters");
+ xbt_assert0((host != NULL)
+ && (host->simdata != NULL), "Invalid parameters");
/* Return data */
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)
{
*/
void __SIMIX_host_destroy(smx_host_t host)
{
- simdata_host_t simdata = NULL;
+ smx_simdata_host_t simdata = NULL;
xbt_assert0((host != NULL), "Invalid parameters");
-
+
/* Clean Simulator data */
simdata = host->simdata;
- xbt_assert0((xbt_swag_size(simdata->process_list)==0),
- "Some process are still running on this host");
+ if (xbt_swag_size(simdata->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_swag_foreach(process, simdata->process_list) {
+ tmp = bprintf("%s\n\t%s", msg, process->name);
+ free(msg);
+ msg = tmp;
+ }
+ THROW1(arg_error, 0, "%s", msg);
+ }
+
xbt_swag_free(simdata->process_list);
free(simdata);
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)
+int SIMIX_host_get_number(void)
{
return (xbt_fifo_size(simix_global->host));
}
-/** \ingroup m_host_management
- * \brief Return a array of all the #m_host_t.
+/**
+ * \brief Return a array of all the #smx_host_t.
+ *
+ * \return List of all hosts
*/
-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));
+ return ((smx_host_t *) xbt_fifo_to_array(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
+ */
+double SIMIX_host_get_speed(smx_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
+
+ return (surf_workstation_model->
+ extension_public->get_speed(host->simdata->host, 1.0));
+}
+
+/**
+ * \brief Return the available speed of the processor.
+ *
+ * Return the available speed (in Mflop/s).
+ * \return Speed
*/
-double SIMIX_get_host_speed(smx_host_t h)
+double SIMIX_host_get_available_speed(smx_host_t host)
{
- xbt_assert0((h!= NULL), "Invalid parameters");
+ xbt_assert0((host != NULL), "Invalid parameters");
- return(surf_workstation_resource->
- extension_public->get_speed(h->simdata->host,1.0));
+ return (surf_workstation_model->
+ extension_public->get_available_speed(host->simdata->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
+ */
+smx_host_t SIMIX_host_get_by_name(const char *name)
+{
+ xbt_fifo_item_t i = NULL;
+ smx_host_t host = NULL;
+
+ xbt_assert0(((simix_global != NULL)
+ && (simix_global->host != NULL)),
+ "Environment not set yet");
+
+ xbt_fifo_foreach(simix_global->host, i, host, smx_host_t) {
+ if (strcmp(host->name, name) == 0)
+ return host;
+ }
+ return NULL;
}
-/** \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_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");
+
+ return (surf_workstation_model->
+ common_public->get_cpu_properties(host->simdata->host));
+
+}
+
- cpustate =
- surf_workstation_resource->extension_public->get_state(h->simdata->host);
+/**
+ * \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.
+ */
+int SIMIX_host_get_state(smx_host_t host)
+{
+ xbt_assert0((host != NULL), "Invalid parameters");
- xbt_assert0((cpustate == SURF_CPU_ON || cpustate == SURF_CPU_OFF),
- "Invalid cpu state");
+ return (surf_workstation_model->
+ extension_public->get_state(host->simdata->host));
- return (cpustate==SURF_CPU_ON);
}
