-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2004-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg);
/** @addtogroup m_host_management
- * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Hosts" --> \endhtmlonly
+ * \htmlonly <!-- DOXYGEN_NAVBAR_LABEL="Hosts" --> \endhtmlonly
* (#msg_host_t) and the functions for managing it.
*
* A <em>location</em> (or <em>host</em>) is any possible place where
msg_host_t __MSG_host_create(smx_host_t workstation)
{
const char *name = SIMIX_host_get_name(workstation);
- msg_host_priv_t host = xbt_new0(s_msg_host_priv_t, 1);
- s_msg_vm_t vm; // simply to compute the offset
-
- host->vms = xbt_swag_new(xbt_swag_offset(vm,host_vms_hookup));
+ msg_host_priv_t priv = xbt_new0(s_msg_host_priv_t, 1);
#ifdef MSG_USE_DEPRECATED
int i;
char alias[MAX_ALIAS_NAME + 1] = { 0 }; /* buffer used to build the key of the mailbox */
- if (msg_global->max_channel > 0)
- host->mailboxes = xbt_new0(msg_mailbox_t, msg_global->max_channel);
+ priv->mailboxes = (msg_global->max_channel > 0) ?
+ xbt_new0(msg_mailbox_t, msg_global->max_channel) : NULL;
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 */
- host->mailboxes[i] = MSG_mailbox_new(alias);
+ priv->mailboxes[i] = MSG_mailbox_new(alias);
memset(alias, 0, MAX_ALIAS_NAME + 1);
}
#endif
- xbt_lib_set(host_lib,name,MSG_HOST_LEVEL,host);
+
+ priv->dp_objs = xbt_dict_new();
+ priv->dp_enabled = 0;
+ priv->dp_updated_by_deleted_tasks = 0;
+
+ priv->affinity_mask_db = xbt_dict_new_homogeneous(NULL);
+
+ xbt_lib_set(host_lib, name, MSG_HOST_LEVEL, priv);
return xbt_lib_get_elm_or_null(host_lib, name);
}
return MSG_process_get_host(NULL);
}
+
/*
- * \brief Destroys a host (internal call only)
+ * \brief Start the host if it is off
+ */
+void MSG_host_on(msg_host_t host)
+{
+ simcall_host_on(host);
+}
+
+/*
+ * \brief Stop the host if it is on
*/
-void __MSG_host_destroy(msg_host_priv_t host) {
+void MSG_host_off(msg_host_t host)
+{
+ simcall_host_off(host);
+}
+
+/*
+ * \brief Frees private data of a host (internal call only)
+ */
+void __MSG_host_priv_free(msg_host_priv_t priv)
+{
+ unsigned int size = xbt_dict_size(priv->dp_objs);
+ if (size > 0)
+ XBT_WARN("dp_objs: %u pending task?", size);
+ xbt_dict_free(&priv->dp_objs);
+ xbt_dict_free(&priv->affinity_mask_db);
#ifdef MSG_USE_DEPRECATED
- if (msg_global->max_channel > 0)
- free(host->mailboxes);
+ free(priv->mailboxes);
#endif
- if (xbt_swag_size(host->vms) > 0 ) {
- XBT_VERB("Host shut down, but it still hosts %d VMs. They will be leaked.",xbt_swag_size(host->vms));
- }
- xbt_swag_free(host->vms);
- free(host);
+
+ free(priv);
+}
+
+/*
+ * \brief Destroys a host (internal call only)
+ */
+void __MSG_host_destroy(msg_host_t host)
+{
+ const char *name = MSG_host_get_name(host);
+ /* TODO:
+ * What happens if VMs still remain on this host?
+ * Revisit here after the surf layer gets stable.
+ **/
+
+ xbt_lib_unset(host_lib, name, MSG_HOST_LEVEL, 1);
}
/** \ingroup m_host_management
* \param host a host
* \return the number of cores
*/
-int MSG_host_get_core_number(msg_host_t h)
+int MSG_host_get_core_number(msg_host_t host)
{
- xbt_assert((h != NULL), "Invalid parameters");
+ xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_core(h));
+ return (simcall_host_get_core(host));
}
/** \ingroup m_host_management
* \param host a host
* \return a swag with the attached processes
*/
-xbt_swag_t MSG_host_get_process_list(msg_host_t h)
+xbt_swag_t MSG_host_get_process_list(msg_host_t host)
{
- xbt_assert((h != NULL), "Invalid parameters");
+ xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_process_list(h));
+ return (simcall_host_get_process_list(host));
}
return (simcall_host_get_state(host));
}
+/** \ingroup m_host_management
+ * \brief Set the parameters of a given host
+ *
+ * \param host a host
+ * \param params a prameter object
+ */
+void MSG_host_set_params(msg_host_t host, ws_params_t params)
+{
+ simcall_host_set_params(host, params);
+}
+
+/** \ingroup m_host_management
+ * \brief Get the parameters of a given host
+ *
+ * \param host a host
+ * \param params a prameter object
+ */
+void MSG_host_get_params(msg_host_t host, ws_params_t params)
+{
+ simcall_host_get_params(host, params);
+}
+
/** \ingroup m_host_management
* \brief Return the speed of the processor (in flop/s) at a given pstate
*
return simcall_host_get_consumed_energy(host);
}
+/** \ingroup m_host_management
+ * \brief Return the list of mount point names on an host.
+ * \param host a host
+ * \return a dict containing all mount point on the host (mount_name => msg_storage_t)
+ */
+xbt_dict_t MSG_host_get_storage_list(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+ return (simcall_host_get_storage_list(host));
+}
+/** \ingroup msg_host_management
+ * \brief Return the content of mounted storages on an host.
+ * \param host a host
+ * \return a dict containing content (as a dict) of all storages mounted on the host
+ */
+xbt_dict_t MSG_host_get_storage_content(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+ xbt_dict_t contents = xbt_dict_new_homogeneous(NULL);
+ msg_storage_t storage;
+ char* storage_name;
+ char* mount_name;
+ xbt_dict_cursor_t cursor = NULL;
+
+ xbt_dict_t storage_list = simcall_host_get_storage_list(host);
+
+ xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
+ storage = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib,storage_name);
+ xbt_dict_t content = simcall_storage_get_content(storage);
+ xbt_dict_set(contents,mount_name, content,NULL);
+ }
+ xbt_dict_free(&storage_list);
+ return contents;
+}
