X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ea55b530facfb04b499b016152f739e024445aa4..61ab70f5ec5869d57fb0712101280e304d38dcbc:/src/simix/smx_vm.cpp diff --git a/src/simix/smx_vm.cpp b/src/simix/smx_vm.cpp index dae28e7b8f..f7b6c3e4b4 100644 --- a/src/simix/smx_vm.cpp +++ b/src/simix/smx_vm.cpp @@ -1,24 +1,21 @@ -/* Copyright (c) 2007-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2007-2015. 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 "smx_private.h" -#include "xbt/sysdep.h" -#include "xbt/log.h" -#include "xbt/dict.h" #include "mc/mc.h" +#include "src/surf/virtual_machine.hpp" +#include "src/surf/HostImpl.hpp" -//If you need to log some stuffs, just uncomment these two lines and uses XBT_DEBUG for instance XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_vm, simix, "Logging specific to SIMIX (vms)"); /* **** create a VM **** */ /** - * \brief Internal function to create a SIMIX host. - * \param name name of the host to create - * \param data some user data (may be NULL) + * @brief Internal function to create a SIMIX host. + * @param name name of the host to create + * @param data some user data (may be nullptr) */ sg_host_t SIMIX_vm_create(const char *name, sg_host_t ind_phys_host) { @@ -38,7 +35,7 @@ sg_host_t SIMIX_vm_create(const char *name, sg_host_t ind_phys_host) static long host_get_ramsize(sg_host_t vm, int *overcommit) { s_vm_params_t params; - surf_host_get_params(vm, ¶ms); + vm->extension()->getParams(¶ms); if (overcommit) *overcommit = params.overcommit; @@ -53,7 +50,7 @@ static int __can_be_started(sg_host_t vm) int pm_overcommit = 0; long pm_ramsize = host_get_ramsize(pm, &pm_overcommit); - long vm_ramsize = host_get_ramsize(vm, NULL); + long vm_ramsize = host_get_ramsize(vm, nullptr); if (!pm_ramsize) { /* We assume users do not want to care about ramsize. */ @@ -61,51 +58,54 @@ static int __can_be_started(sg_host_t vm) } if (pm_overcommit) { - XBT_INFO("%s allows memory overcommit.", pm->key); + XBT_VERB("%s allows memory overcommit.", sg_host_get_name(pm)); return 1; } long total_ramsize_of_vms = 0; - xbt_dynar_t dyn_vms = surf_host_get_vms(pm); + xbt_dynar_t dyn_vms = pm->extension()->getVms(); { unsigned int cursor = 0; sg_host_t another_vm; xbt_dynar_foreach(dyn_vms, cursor, another_vm) { - long another_vm_ramsize = host_get_ramsize(vm, NULL); + long another_vm_ramsize = host_get_ramsize(vm, nullptr); total_ramsize_of_vms += another_vm_ramsize; } } if (vm_ramsize > pm_ramsize - total_ramsize_of_vms) { XBT_WARN("cannnot start %s@%s due to memory shortage: vm_ramsize %ld, free %ld, pm_ramsize %ld (bytes).", - vm->key, pm->key, vm_ramsize, pm_ramsize - total_ramsize_of_vms, pm_ramsize); + sg_host_get_name(vm), sg_host_get_name(pm), + vm_ramsize, pm_ramsize - total_ramsize_of_vms, pm_ramsize); xbt_dynar_free(&dyn_vms); return 0; } - xbt_dynar_free(&dyn_vms); - return 1; + return 1; } void SIMIX_vm_start(sg_host_t ind_vm) { if (__can_be_started(ind_vm)) - surf_host_set_state(surf_host_resource_priv(ind_vm), - (e_surf_resource_state_t) SURF_VM_STATE_RUNNING); + static_cast( + ind_vm->extension() + )->setState(SURF_VM_STATE_RUNNING); else - THROWF(vm_error, 0, "The VM %s cannot be started", SIMIX_host_get_name(ind_vm)); + THROWF(vm_error, 0, "The VM %s cannot be started", sg_host_get_name(ind_vm)); } -int SIMIX_vm_get_state(sg_host_t ind_vm) +e_surf_vm_state_t SIMIX_vm_get_state(sg_host_t ind_vm) { - return surf_host_get_state(surf_host_resource_priv(ind_vm)); + return static_cast( + ind_vm->extension() + )->getState(); } /** - * \brief Function to migrate a SIMIX VM host. + * @brief Function to migrate a SIMIX VM host. * - * \param host the vm host to migrate (a sg_host_t) + * @param host the vm host to migrate (a sg_host_t) */ void SIMIX_vm_migrate(sg_host_t ind_vm, sg_host_t ind_dst_pm) { @@ -117,7 +117,7 @@ void SIMIX_vm_migrate(sg_host_t ind_vm, sg_host_t ind_dst_pm) } /** - * \brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration + * @brief Encompassing simcall to prevent the removal of the src or the dst node at the end of a VM migration * The simcall actually invokes the following calls: * simcall_vm_set_affinity(vm, src_pm, 0); * simcall_vm_migrate(vm, dst_pm); @@ -125,9 +125,9 @@ void SIMIX_vm_migrate(sg_host_t ind_vm, sg_host_t ind_dst_pm) * * It is called at the end of the migration_rx_fun function from msg/msg_vm.c * - * \param vm VM to migrate - * \param src_pm Source physical host - * \param dst_pmt Destination physical host + * @param vm VM to migrate + * @param src_pm Source physical host + * @param dst_pmt Destination physical host */ void SIMIX_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst_pm) { @@ -143,9 +143,9 @@ void SIMIX_vm_migratefrom_resumeto(sg_host_t vm, sg_host_t src_pm, sg_host_t dst } /** - * \brief Function to get the physical host of the given SIMIX VM host. + * @brief Function to get the physical host of the given SIMIX VM host. * - * \param host the vm host to get_phys_host (a sg_host_t) + * @param host the vm host to get_phys_host (a sg_host_t) */ void *SIMIX_vm_get_pm(sg_host_t ind_vm) { @@ -154,10 +154,10 @@ void *SIMIX_vm_get_pm(sg_host_t ind_vm) } /** - * \brief Function to set the CPU bound of the given SIMIX VM host. + * @brief Function to set the CPU bound of the given SIMIX VM host. * - * \param host the vm host (a sg_host_t) - * \param bound bound (a double) + * @param host the vm host (a sg_host_t) + * @param bound bound (a double) */ void SIMIX_vm_set_bound(sg_host_t ind_vm, double bound) { @@ -166,11 +166,11 @@ void SIMIX_vm_set_bound(sg_host_t ind_vm, double bound) } /** - * \brief Function to set the CPU affinity of the given SIMIX VM host. + * @brief Function to set the CPU affinity of the given SIMIX VM host. * - * \param host the vm host (a sg_host_t) - * \param host the pm host (a sg_host_t) - * \param mask affinity mask (a unsigned long) + * @param host the vm host (a sg_host_t) + * @param host the pm host (a sg_host_t) + * @param mask affinity mask (a unsigned long) */ void SIMIX_vm_set_affinity(sg_host_t ind_vm, sg_host_t ind_pm, unsigned long mask) { @@ -183,15 +183,15 @@ void SIMIX_vm_set_affinity(sg_host_t ind_vm, sg_host_t ind_pm, unsigned long mas /** - * \brief Function to suspend a SIMIX VM host. This function stops the execution of the + * @brief Function to suspend a SIMIX VM host. This function stops the execution of the * VM. All the processes on this VM will pause. The state of the VM is * preserved on memory. We can later resume it again. * - * \param host the vm host to suspend (a sg_host_t) + * @param host the vm host to suspend (a sg_host_t) */ void SIMIX_vm_suspend(sg_host_t ind_vm, smx_process_t issuer) { - const char *name = SIMIX_host_get_name(ind_vm); + const char *name = sg_host_get_name(ind_vm); if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_RUNNING) THROWF(vm_error, 0, "VM(%s) is not running", name); @@ -203,7 +203,7 @@ void SIMIX_vm_suspend(sg_host_t ind_vm, smx_process_t issuer) smx_process_t smx_process, smx_process_safe; xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) { - XBT_DEBUG("suspend %s", smx_process->name); + XBT_DEBUG("suspend %s", smx_process->name.c_str()); SIMIX_process_suspend(smx_process, issuer); } @@ -224,14 +224,14 @@ void simcall_HANDLER_vm_suspend(smx_simcall_t simcall, sg_host_t ind_vm) /** - * \brief Function to resume a SIMIX VM host. This function restart the execution of the + * @brief Function to resume a SIMIX VM host. This function restart the execution of the * VM. All the processes on this VM will run again. * - * \param host the vm host to resume (a sg_host_t) + * @param host the vm host to resume (a sg_host_t) */ void SIMIX_vm_resume(sg_host_t ind_vm, smx_process_t issuer) { - const char *name = SIMIX_host_get_name(ind_vm); + const char *name = sg_host_get_name(ind_vm); if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_SUSPENDED) THROWF(vm_error, 0, "VM(%s) was not suspended", name); @@ -243,7 +243,7 @@ void SIMIX_vm_resume(sg_host_t ind_vm, smx_process_t issuer) smx_process_t smx_process, smx_process_safe; xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) { - XBT_DEBUG("resume %s", smx_process->name); + XBT_DEBUG("resume %s", smx_process->name.c_str()); SIMIX_process_resume(smx_process, issuer); } } @@ -255,15 +255,15 @@ void simcall_HANDLER_vm_resume(smx_simcall_t simcall, sg_host_t ind_vm) /** - * \brief Function to save a SIMIX VM host. + * @brief Function to save a SIMIX VM host. * This function is the same as vm_suspend, but the state of the VM is saved to the disk, and not preserved on memory. * We can later restore it again. * - * \param host the vm host to save (a sg_host_t) + * @param host the vm host to save (a sg_host_t) */ void SIMIX_vm_save(sg_host_t ind_vm, smx_process_t issuer) { - const char *name = SIMIX_host_get_name(ind_vm); + const char *name = sg_host_get_name(ind_vm); if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_RUNNING) THROWF(vm_error, 0, "VM(%s) is not running", name); @@ -276,7 +276,7 @@ void SIMIX_vm_save(sg_host_t ind_vm, smx_process_t issuer) smx_process_t smx_process, smx_process_safe; xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) { - XBT_DEBUG("suspend %s", smx_process->name); + XBT_DEBUG("suspend %s", smx_process->name.c_str()); SIMIX_process_suspend(smx_process, issuer); } } @@ -288,14 +288,14 @@ void simcall_HANDLER_vm_save(smx_simcall_t simcall, sg_host_t ind_vm) /** - * \brief Function to restore a SIMIX VM host. This function restart the execution of the + * @brief Function to restore a SIMIX VM host. This function restart the execution of the * VM. All the processes on this VM will run again. * - * \param host the vm host to restore (a sg_host_t) + * @param host the vm host to restore (a sg_host_t) */ void SIMIX_vm_restore(sg_host_t ind_vm, smx_process_t issuer) { - const char *name = SIMIX_host_get_name(ind_vm); + const char *name = sg_host_get_name(ind_vm); if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_SAVED) THROWF(vm_error, 0, "VM(%s) was not saved", name); @@ -307,7 +307,7 @@ void SIMIX_vm_restore(sg_host_t ind_vm, smx_process_t issuer) smx_process_t smx_process, smx_process_safe; xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) { - XBT_DEBUG("resume %s", smx_process->name); + XBT_DEBUG("resume %s", smx_process->name.c_str()); SIMIX_process_resume(smx_process, issuer); } } @@ -319,15 +319,15 @@ void simcall_HANDLER_vm_restore(smx_simcall_t simcall, sg_host_t ind_vm) /** - * \brief Function to shutdown a SIMIX VM host. This function powers off the + * @brief Function to shutdown a SIMIX VM host. This function powers off the * VM. All the processes on this VM will be killed. But, the state of the VM is * preserved on memory. We can later start it again. * - * \param host the vm host to shutdown (a sg_host_t) + * @param host the vm host to shutdown (a sg_host_t) */ void SIMIX_vm_shutdown(sg_host_t ind_vm, smx_process_t issuer) { - const char *name = SIMIX_host_get_name(ind_vm); + const char *name = sg_host_get_name(ind_vm); if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_RUNNING) THROWF(vm_error, 0, "VM(%s) is not running", name); @@ -337,13 +337,14 @@ void SIMIX_vm_shutdown(sg_host_t ind_vm, smx_process_t issuer) smx_process_t smx_process, smx_process_safe; xbt_swag_foreach_safe(smx_process, smx_process_safe, sg_host_simix(ind_vm)->process_list) { - XBT_DEBUG("kill %s", smx_process->name); + XBT_DEBUG("kill %s", smx_process->name.c_str()); SIMIX_process_kill(smx_process, issuer); } /* FIXME: we may have to do something at the surf layer, e.g., vcpu action */ - surf_host_set_state(surf_host_resource_priv(ind_vm), - (e_surf_resource_state_t) SURF_VM_STATE_CREATED); + static_cast( + ind_vm->extension() + )->setState(SURF_VM_STATE_CREATED); } void simcall_HANDLER_vm_shutdown(smx_simcall_t simcall, sg_host_t ind_vm) @@ -353,22 +354,21 @@ void simcall_HANDLER_vm_shutdown(smx_simcall_t simcall, sg_host_t ind_vm) /** - * \brief Function to destroy a SIMIX VM host. + * @brief Function to destroy a SIMIX VM host. * - * \param host the vm host to destroy (a sg_host_t) + * @param vm the vm host to destroy (a sg_host_t) */ -void SIMIX_vm_destroy(sg_host_t ind_vm) +void SIMIX_vm_destroy(sg_host_t vm) { /* this code basically performs a similar thing like SIMIX_host_destroy() */ - xbt_assert((ind_vm != NULL), "Invalid parameters"); - const char *hostname = SIMIX_host_get_name(ind_vm); + const char *hostname = sg_host_get_name(vm); XBT_DEBUG("destroy %s", hostname); /* this will call the registered callback function, i.e., SIMIX_host_destroy(). */ - sg_host_simix_destroy(ind_vm); + sg_host_simix_destroy(vm); /* jump to vm_ws_destroy(). The surf level resource will be freed. */ - surf_vm_destroy(ind_vm); + surf_vm_destroy(vm); }