X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eb45199603c7ab5afe3b2a5df3c2bd56254974f8..5bcb2953d5a0cc02aa2004a429f126541cb760df:/src/msg/msg_host.c
diff --git a/src/msg/msg_host.c b/src/msg/msg_host.c
index 08269984af..6254436ee0 100644
--- a/src/msg/msg_host.c
+++ b/src/msg/msg_host.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2004-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
@@ -13,7 +13,7 @@
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg);
/** @addtogroup m_host_management
- * \htmlonly \endhtmlonly
+ * \htmlonly \endhtmlonly
* (#msg_host_t) and the functions for managing it.
*
* A location (or host) is any possible place where
@@ -29,33 +29,38 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg);
msg_host_t __MSG_host_create(smx_host_t workstation)
{
const char *name = SIMIX_host_get_name(workstation);
- msg_host_t host = xbt_new0(s_msg_host_t, 1);
- s_msg_vm_t vm; // simply to compute the offset
-
- host->smx_host = workstation;
- 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);
- return host;
+ priv->dp_objs = xbt_dict_new();
+ priv->dp_enabled = 0;
+ priv->dp_updated_by_deleted_tasks = 0;
+ priv->is_migrating = 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);
}
+
/** \ingroup msg_host_management
* \brief Finds a msg_host_t using its name.
*
@@ -65,20 +70,20 @@ msg_host_t __MSG_host_create(smx_host_t workstation)
*/
msg_host_t MSG_get_host_by_name(const char *name)
{
- return (msg_host_t) xbt_lib_get_or_null(host_lib,name,MSG_HOST_LEVEL);
+ return (msg_host_t) xbt_lib_get_elm_or_null(host_lib,name);
}
+static const char *msg_data = "data";
/** \ingroup m_host_management
*
* \brief Set the user data of a #msg_host_t.
*
- * This functions checks whether some data has already been associated to \a host
+ * 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.
*/
msg_error_t MSG_host_set_data(msg_host_t host, void *data)
{
- SIMIX_host_set_data(host->smx_host,data);
-
+ MSG_host_set_property_value(host, msg_data, data, NULL);
return MSG_OK;
}
@@ -91,7 +96,7 @@ msg_error_t MSG_host_set_data(msg_host_t host, void *data)
*/
void *MSG_host_get_data(msg_host_t host)
{
- return SIMIX_host_get_data(host->smx_host);
+ return (void *)MSG_host_get_property_value(host, msg_data);
}
/** \ingroup m_host_management
@@ -102,7 +107,7 @@ void *MSG_host_get_data(msg_host_t host)
its name.
*/
const char *MSG_host_get_name(msg_host_t host) {
- return SIMIX_host_get_name(host->smx_host);
+ return SIMIX_host_get_name(host);
}
/** \ingroup m_host_management
@@ -114,29 +119,64 @@ msg_host_t MSG_host_self(void)
return MSG_process_get_host(NULL);
}
+
/*
- * \brief Destroys a host (internal call only)
+ * \brief Start the host if it is off
*/
-void __MSG_host_destroy(msg_host_t host) {
+void MSG_host_on(msg_host_t host)
+{
+ simcall_host_on(host);
+}
+
+/*
+ * \brief Stop the host if it is on
+ */
+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 %s shut down, but it still hosts %d VMs. They will be leaked.",
- MSG_host_get_name(host),xbt_swag_size(host->vms));
- }
- xbt_swag_free(host->vms);
- free(host);
+
+ free(priv);
}
-#ifdef MSG_USE_DEPRECATED
+/*
+ * \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
+ * \brief Return the current number MSG hosts.
+ */
int MSG_get_host_number(void)
{
return xbt_lib_length(host_lib);
}
+#ifdef MSG_USE_DEPRECATED
msg_host_t *MSG_get_host_table(void)
{
void **array;
@@ -169,8 +209,10 @@ xbt_dynar_t MSG_hosts_as_dynar(void) {
xbt_dynar_t res = xbt_dynar_new(sizeof(msg_host_t),NULL);
xbt_lib_foreach(host_lib, cursor, key, data) {
- if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST)
- xbt_dynar_push(res, data + MSG_HOST_LEVEL);
+ if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST) {
+ xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
+ xbt_dynar_push(res, &elm);
+ }
}
return res;
}
@@ -195,9 +237,37 @@ double MSG_get_host_speed(msg_host_t h)
{
xbt_assert((h != NULL), "Invalid parameters");
- return (simcall_host_get_speed(h->smx_host));
+ return (simcall_host_get_speed(h));
+}
+
+
+/** \ingroup m_host_management
+ * \brief Return the number of cores.
+ *
+ * \param host a host
+ * \return the number of cores
+ */
+int MSG_host_get_core_number(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+
+ return (simcall_host_get_core(host));
+}
+
+/** \ingroup m_host_management
+ * \brief Return the list of processes attached to an host.
+ *
+ * \param host a host
+ * \return a swag with the attached processes
+ */
+xbt_swag_t MSG_host_get_process_list(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+
+ return (simcall_host_get_process_list(host));
}
+
/** \ingroup m_host_management
* \brief Returns the value of a given host property
*
@@ -220,7 +290,7 @@ xbt_dict_t MSG_host_get_properties(msg_host_t host)
{
xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return (simcall_host_get_properties(host->smx_host));
+ return (simcall_host_get_properties(host));
}
/** \ingroup m_host_management
@@ -237,14 +307,148 @@ void MSG_host_set_property_value(msg_host_t host, const char *name, char *value,
}
-/** \ingroup msg_gos_functions
- * \brief Determine if a host is available.
+/** @ingroup msg_gos_functions
+ * @brief Determine if a host is up and running.
*
- * \param host host to test
- * \return Returns 1 if host is available, 0 otherwise
+ * @param host host to test
+ * @return Returns true if the host is up and running, and false if it's currently down
*/
-int MSG_host_is_avail(msg_host_t host)
+int MSG_host_is_on(msg_host_t host)
{
xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return (simcall_host_get_state(host->smx_host));
+ return (simcall_host_get_state(host));
+}
+/** @ingroup msg_gos_functions
+ * @brief Determine if a host is currently off.
+ */
+int MSG_host_is_off(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ 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. See also @ref SURF_plugin_energy.
+ *
+ * \param host host to test
+ * \param pstate_index pstate to test
+ * \return Returns the processor speed associated with pstate_index
+ */
+double MSG_host_get_power_peak_at(msg_host_t host, int pstate_index) {
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ return (simcall_host_get_power_peak_at(host, pstate_index));
+}
+
+/** \ingroup m_host_management
+ * \brief Return the current speed of the processor (in flop/s)
+ *
+ * \param host host to test
+ * \return Returns the current processor speed
+ */
+double MSG_host_get_current_power_peak(msg_host_t host) {
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ return simcall_host_get_current_power_peak(host);
+}
+
+/** \ingroup m_host_management
+ * \brief Return the total count of pstates defined for a host. See also @ref SURF_plugin_energy.
+ *
+ * \param host host to test
+ */
+int MSG_host_get_pstate_count(msg_host_t host) {
+
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ return (simcall_host_get_nb_pstates(host));
+}
+
+/** \ingroup m_host_management
+ * \brief Sets the speed of the processor (in flop/s) at a given pstate. See also @ref SURF_plugin_energy.
+ *
+ * \param host host to test
+ * \param pstate_index pstate to switch to
+ */
+void MSG_host_set_pstate(msg_host_t host, int pstate_index) {
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+
+ simcall_host_set_power_peak_at(host, pstate_index);
+}
+
+/** \ingroup m_host_management
+ * \brief Return the total energy consumed by a host (in Joules). See also @ref SURF_plugin_energy.
+ *
+ * \param host host to test
+ * \return Returns the consumed energy
+ */
+double MSG_host_get_consumed_energy(msg_host_t host) {
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ 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_mounted_storage_list(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+ return (simcall_host_get_mounted_storage_list(host));
+}
+
+/** \ingroup m_host_management
+ * \brief Return the list of storages attached to an host.
+ * \param host a host
+ * \return a dynar containing all storages (name) attached to the host
+ */
+xbt_dynar_t MSG_host_get_attached_storage_list(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters");
+ return (simcall_host_get_attached_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_mounted_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;
}