X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/059ffba3002aa86e17392c7f2c884095ab64591b..1fc5e0b36dddadb1e7deec1428f526de70bdb016:/src/msg/msg_host.c diff --git a/src/msg/msg_host.c b/src/msg/msg_host.c index 086d9bf70f..00e126cedb 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 @@ -13,8 +13,8 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg); /** @addtogroup m_host_management - * \htmlonly \endhtmlonly - * (#m_host_t) and the functions for managing it. + * \htmlonly \endhtmlonly + * (#msg_host_t) and the functions for managing it. * * A location (or host) is any possible place where * a process may run. Thus it may be represented as a @@ -22,141 +22,179 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(msg); * mailboxes to enable running process to communicate with * remote ones, and some private data that can be only * accessed by local process. - * \see m_host_t + * \see msg_host_t */ /********************************* Host **************************************/ -m_host_t __MSG_host_create(smx_host_t workstation) +msg_host_t __MSG_host_create(smx_host_t workstation) { const char *name = SIMIX_host_get_name(workstation); - m_host_t host = xbt_new0(s_m_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->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 m_host_t using its name. + * \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 */ -m_host_t MSG_get_host_by_name(const char *name) +msg_host_t MSG_get_host_by_name(const char *name) { - return (m_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 #m_host_t. + * \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(m_host_t host, void *data) +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; } /** \ingroup m_host_management * - * \brief Return the user data of a #m_host_t. + * \brief Return the user data of a #msg_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. */ -void *MSG_host_get_data(m_host_t host) +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 * - * \brief Return the name of the #m_host_t. + * \brief Return the name of the #msg_host_t. * * This functions checks whether \a host is a valid pointer or not and return its name. */ -const char *MSG_host_get_name(m_host_t host) { - return SIMIX_host_get_name(host->smx_host); +const char *MSG_host_get_name(msg_host_t host) { + return SIMIX_host_get_name(host); } /** \ingroup m_host_management * * \brief Return the location on which the current process is executed. */ -m_host_t MSG_host_self(void) +msg_host_t MSG_host_self(void) { return MSG_process_get_host(NULL); } -/** \ingroup m_host_management - * - * \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_off(msg_host_t host) +{ + simcall_host_off(host); +} + +/* + * \brief Frees private data of a host (internal call only) */ -void __MSG_host_destroy(m_host_t host) { +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); } -m_host_t *MSG_get_host_table(void) +#ifdef MSG_USE_DEPRECATED +msg_host_t *MSG_get_host_table(void) { void **array; - int i = 0; - xbt_lib_cursor_t cursor; - char *key; - void **data; - - if (xbt_lib_length(host_lib) == 0) - return NULL; - else - array = xbt_new0(void *, xbt_lib_length(host_lib)); - - xbt_lib_foreach(host_lib, cursor, key, data) { - if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST) - array[i++] = data[MSG_HOST_LEVEL]; - } - - return (m_host_t *)array; + int i = 0; + xbt_lib_cursor_t cursor; + char *key; + void **data; + + if (xbt_lib_length(host_lib) == 0) + return NULL; + else + array = xbt_new0(void *, xbt_lib_length(host_lib)); + + xbt_lib_foreach(host_lib, cursor, key, data) { + if(routing_get_network_element_type(key) == SURF_NETWORK_ELEMENT_HOST) + array[i++] = data[MSG_HOST_LEVEL]; + } + + return (msg_host_t *)array; } #endif @@ -167,20 +205,22 @@ 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(m_host_t),NULL); + 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; } /** \ingroup m_host_management * \brief Return the number of MSG tasks currently running on a - * #m_host_t. The external load is not taken in account. + * #msg_host_t. The external load is not taken in account. */ -int MSG_get_host_msgload(m_host_t h) +int MSG_get_host_msgload(msg_host_t h) { xbt_assert((h != NULL), "Invalid parameters"); xbt_die( "Not implemented yet"); @@ -192,13 +232,41 @@ int MSG_get_host_msgload(m_host_t h) * \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) +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 * @@ -206,22 +274,35 @@ double MSG_get_host_speed(m_host_t h) * \param name a property name * \return value of a property (or NULL if property not set) */ -const char *MSG_host_get_property_value(m_host_t host, const char *name) +const char *MSG_host_get_property_value(msg_host_t host, const char *name) { return xbt_dict_get_or_null(MSG_host_get_properties(host), name); } /** \ingroup m_host_management - * \brief Returns a xbt_dynar_t consisting of the list of properties assigned to this host + * \brief Returns a xbt_dict_t consisting of the list of properties assigned to this host * * \param host a host * \return a dict containing the properties */ -xbt_dict_t MSG_host_get_properties(m_host_t host) +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 + * \brief Change the value of a given host property + * + * \param host a host + * \param name a property name + * \param value what to change the property to + * \param free_ctn the freeing function to use to kill the value on need + */ +void MSG_host_set_property_value(msg_host_t host, const char *name, char *value,void_f_pvoid_t free_ctn) { + + xbt_dict_set(MSG_host_get_properties(host), name, value,free_ctn); } @@ -231,8 +312,134 @@ xbt_dict_t MSG_host_get_properties(m_host_t host) * \param host host to test * \return Returns 1 if host is available, 0 otherwise */ -int MSG_host_is_avail(m_host_t host) +int MSG_host_is_avail(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 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 + * + * \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) { + 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_get_host_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 + * + * \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)); +} + +/** \ingroup m_host_management + * \brief Sets the speed of the processor (in flop/s) at a given pstate + * + * \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) { + 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) + * + * \param host host to test + * \return Returns the consumed energy + */ +double MSG_get_host_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; }