/* 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(host, msg,
- "Logging specific to MSG (host)");
+#include "private.h"
+#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
+ */
/********************************* Host **************************************/
m_host_t __MSG_host_create(const char *name,
void *workstation,
void *data)
{
- sim_data_host_t sim_data = xbt_new0(s_sim_data_host_t,1);
+ simdata_host_t simdata = xbt_new0(s_simdata_host_t,1);
m_host_t host = xbt_new0(s_m_host_t,1);
int i;
/* Host structure */
host->name = xbt_strdup(name);
- host->simdata = sim_data;
+ host->simdata = simdata;
host->data = data;
- sim_data->host = workstation;
+ simdata->host = workstation;
- sim_data->mbox = xbt_new0(xbt_fifo_t, msg_global->max_channel);
+ simdata->mbox = xbt_new0(xbt_fifo_t, msg_global->max_channel);
for (i = 0; i < msg_global->max_channel; i++)
- sim_data->mbox[i] = xbt_fifo_new();
- sim_data->sleeping = xbt_new0(m_process_t, msg_global->max_channel);
+ simdata->mbox[i] = xbt_fifo_new();
+ simdata->sleeping = xbt_new0(m_process_t, msg_global->max_channel);
+ simdata->process_list = xbt_fifo_new();
/* Update global variables */
- xbt_fifo_push(msg_global->host, host);
+ xbt_fifo_unshift(msg_global->host, host);
+
+ PAJE_HOST_NEW(host);
return host;
}
return MSG_process_get_host(MSG_process_self());
}
-/**
+/*
* Real function for 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)
{
- sim_data_host_t sim_data = NULL;
+ simdata_host_t simdata = NULL;
int i = 0;
xbt_assert0((host != NULL), "Invalid parameters");
+ PAJE_HOST_FREE(host);
+
/* Clean Simulator data */
- sim_data = (host)->simdata;
+ simdata = (host)->simdata;
for (i = 0; i < msg_global->max_channel; i++)
- xbt_fifo_free(sim_data->mbox[i]);
- xbt_free(sim_data->mbox);
- xbt_free(sim_data->sleeping);
- xbt_assert0((xbt_swag_size(&(sim_data->process_list))==0),
+ xbt_fifo_free(simdata->mbox[i]);
+ free(simdata->mbox);
+ free(simdata->sleeping);
+ xbt_assert0((xbt_fifo_size(simdata->process_list)==0),
"Some process are still running on this host");
+ xbt_fifo_free(simdata->process_list);
- xbt_free(sim_data);
+ free(simdata);
/* Clean host structure */
- xbt_free(host->name);
- xbt_free(host);
+ free(host->name);
+ free(host);
return;
}
return(0);
/* return(surf_workstation_resource->extension_public->get_load(h->simdata->host)); */
}
+
+/** \ingroup m_host_management
+ * \brief Return the speed of the processor (in flop/s), regardless of
+ the current load on the machine.
+ */
+double MSG_get_host_speed(m_host_t h)
+{
+ xbt_assert0((h!= NULL), "Invalid parameters");
+
+ return(surf_workstation_resource->
+ extension_public->get_speed(h->simdata->host,1.0));
+}
+
+/** \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)
+{
+ e_surf_cpu_state_t cpustate;
+ xbt_assert0((h!= NULL), "Invalid parameters");
+
+ cpustate =
+ surf_workstation_resource->extension_public->get_state(h->simdata->host);
+
+ xbt_assert0((cpustate == SURF_CPU_ON || cpustate == SURF_CPU_OFF),
+ "Invalid cpu state");
+
+ return (cpustate==SURF_CPU_ON);
+}