-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2004-2015. The SimGrid Team.
* All rights reserved. */
/* 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 "msg/msg_private.h"
-#include "msg/msg_mailbox.h"
+#include "src/msg/msg_private.h"
+#include "src/msg/msg_mailbox.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
#include "simgrid/simix.h"
*/
/********************************* Host **************************************/
-msg_host_t __MSG_host_create(smx_host_t workstation)
+msg_host_t __MSG_host_create(sg_host_t host) // FIXME: don't return our parameter
{
- 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->is_migrating = 0;
+
+ priv->affinity_mask_db = xbt_dict_new_homogeneous(NULL);
+
+ priv->file_descriptor_table = xbt_dynar_new(sizeof(int), NULL);
+ for (int i=1023; i>=0;i--)
+ xbt_dynar_push_as(priv->file_descriptor_table, int, i);
+
+ sg_host_msg_set(host,priv);
- return xbt_lib_get_elm_or_null(host_lib, name);
+ return host;
}
-
-/** \ingroup msg_host_management
+/** \ingroup m_host_management
* \brief Finds a msg_host_t using its name.
*
* This is a name directory service
* \param name the name of an host.
* \return the corresponding host
*/
-msg_host_t MSG_get_host_by_name(const char *name)
+msg_host_t MSG_host_by_name(const char *name)
{
return (msg_host_t) xbt_lib_get_elm_or_null(host_lib,name);
}
*
* \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,data);
-
+msg_error_t MSG_host_set_data(msg_host_t host, void *data) {
+ sg_host_user_set(host, data);
return MSG_OK;
}
* 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.
*/
-void *MSG_host_get_data(msg_host_t host)
-{
- return SIMIX_host_get_data(host);
+void *MSG_host_get_data(msg_host_t host) {
+ return sg_host_user(host);
}
/** \ingroup m_host_management
return MSG_process_get_host(NULL);
}
+
+/** \ingroup m_host_management
+ *
+ * \brief Start the host if it is off
+ *
+ * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy for more info on DVFS.
+ */
+void MSG_host_on(msg_host_t host)
+{
+ simcall_host_on(host);
+}
+
+/** \ingroup m_host_management
+ *
+ * \brief Stop the host if it is on
+ *
+ * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy for more info on DVFS.
+ */
+void MSG_host_off(msg_host_t host)
+{
+ simcall_host_off(host);
+}
+
/*
- * \brief Destroys a host (internal call only)
+ * \brief Frees private data of a host (internal call only)
*/
-void __MSG_host_destroy(msg_host_priv_t host) {
+void __MSG_host_priv_free(msg_host_priv_t priv)
+{
+ if (priv == NULL)
+ return;
+ 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);
+ xbt_dynar_free(&priv->file_descriptor_table);
#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) //FIXME: killme?
+{
+ /* TODO:
+ * What happens if VMs still remain on this host?
+ * Revisit here after the surf layer gets stable.
+ **/
+ sg_host_msg_destroy(host);
}
/** \ingroup m_host_management
/** \ingroup m_host_management
* \brief Return a dynar containing all the hosts declared at a given point of time
+ * \remark The host order in the returned array is generally different from the host creation/declaration order in the XML platform (we use a hash table internally)
*/
xbt_dynar_t MSG_hosts_as_dynar(void) {
- xbt_lib_cursor_t cursor;
- char *key;
- void **data;
- 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_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
- xbt_dynar_push(res, &elm);
- }
- }
- return res;
+ return sg_hosts_as_dynar();
}
/** \ingroup m_host_management
{
xbt_assert((h != NULL), "Invalid parameters");
- return (simcall_host_get_speed(h));
+ return sg_host_get_speed(h);
}
{
xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_core(host));
+ return sg_host_get_core(host);
}
/** \ingroup m_host_management
}
-/** \ingroup msg_gos_functions
- * \brief Determine if a host is available.
+/** @ingroup m_host_management
+ *
+ * @brief Determine if a host is up and running.
+ *
+ * See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
+ *
+ * @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_on(msg_host_t host)
+{
+ xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
+ return sg_host_get_state(host);
+}
+/** @ingroup m_host_management
*
- * \param host host to test
- * \return Returns 1 if host is available, 0 otherwise
+ * @brief Determine if a host is currently off.
+ *
+ * See also #MSG_host_on() and #MSG_host_off() to switch the host ON and OFF and @ref SURF_plugin_energy for more info on DVFS.
*/
-int MSG_host_is_avail(msg_host_t host)
+int MSG_host_is_off(msg_host_t host)
{
xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return (simcall_host_get_state(host));
+ return !(sg_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, vm_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, vm_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
+ * \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_get_host_power_peak_at(msg_host_t host, int 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));
}
* \param host host to test
* \return Returns the current processor speed
*/
-double MSG_get_host_current_power_peak(msg_host_t host) {
+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 number of pstates defined for a host
+ * \brief Return the total count of pstates defined for a host. See also @ref SURF_plugin_energy.
*
* \param host host to test
*/
-int MSG_get_host_nb_pstates(msg_host_t host) {
-
- xbt_assert((host != NULL), "Invalid parameters (host is NULL)");
- return (simcall_host_get_nb_pstates(host));
+int MSG_host_get_nb_pstates(msg_host_t host) {
+ return sg_host_get_nb_pstates(host);
}
/** \ingroup m_host_management
- * \brief Sets the speed of the processor (in flop/s) at a given pstate
+ * \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_set_host_power_peak_at(msg_host_t host, int pstate_index) {
+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);
+ simcall_host_set_pstate(host, pstate_index);
+}
+/** \ingroup m_host_management
+ * \brief Gets the pstate at which the given host is currently running. See also @ref SURF_plugin_energy.
+ *
+ * \param host host to test
+ */
+int MSG_host_get_pstate(msg_host_t host) {
+ return sg_host_get_pstate(host);
}
/** \ingroup m_host_management
- * \brief Return the total energy consumed by a host (in Joules)
+ * \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_get_host_consumed_energy(msg_host_t host) {
+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);
+ return sg_host_get_consumed_energy(host);
+}
+/** \ingroup m_host_management
+ * \brief Returns the amount of watt dissipated at the given pstate when the host is idling
+ *
+ */
+double MSG_host_get_wattmin_at(msg_host_t host, int pstate){
+ return simcall_host_get_wattmin_at(host, pstate);
+}
+/** \ingroup m_host_management
+ * \brief Returns the amount of watt dissipated at the given pstate when the host burns CPU at 100%
+ *
+ */
+double MSG_host_get_wattmax_at(msg_host_t host, int pstate){
+ return simcall_host_get_wattmax_at(host, pstate);
+}
+
+/** \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 mounted storages on an host.
+ * \brief Return the list of storages attached to an host.
* \param host a host
- * \return a dynar containing all storages mounted on the host
+ * \return a dynar containing all storages (name) attached to the host
*/
-xbt_dynar_t MSG_host_get_storage_list(msg_host_t host)
+xbt_dynar_t MSG_host_get_attached_storage_list(msg_host_t host)
{
xbt_assert((host != NULL), "Invalid parameters");
- return (simcall_host_get_storage_list(host));
+ return (simcall_host_get_attached_storage_list(host));
}
-/** \ingroup msg_host_management
+/** \ingroup m_host_management
* \brief Return the content of mounted storages on an host.
* \param host a host
- * \return a dynar containing content (as a dict) of all storages mounted on the host
+ * \return a dict containing content (as a dict) of all storages mounted on the host
*/
-xbt_dynar_t MSG_host_get_storage_content(msg_host_t host)
+xbt_dict_t MSG_host_get_storage_content(msg_host_t host)
{
xbt_assert((host != NULL), "Invalid parameters");
- xbt_dynar_t contents = xbt_dynar_new(sizeof(void *),NULL);
+ xbt_dict_t contents = xbt_dict_new_homogeneous(NULL);
msg_storage_t storage;
char* storage_name;
- unsigned int i;
- xbt_dynar_t storage_list = simcall_host_get_storage_list(host);
- xbt_dynar_foreach(storage_list, i, storage_name){
- storage = xbt_lib_get_elm_or_null(storage_lib,storage_name);
- xbt_dict_t content = simcall_storage_get_content(storage);
- xbt_dynar_push(contents, &content);
+ 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;
}
+
+int __MSG_host_get_file_descriptor_id(msg_host_t host){
+ msg_host_priv_t priv = sg_host_msg(host);
+ xbt_assert(!xbt_dynar_is_empty(priv->file_descriptor_table),
+ "Too much files are opened! Some have to be closed.");
+ return xbt_dynar_pop_as(priv->file_descriptor_table, int);
+}
+
+void __MSG_host_release_file_descriptor_id(msg_host_t host, int id){
+ msg_host_priv_t priv = sg_host_msg(host);
+ xbt_dynar_push_as(priv->file_descriptor_table, int, id);
+}