return MSG_get_host_by_name(name);
}
+/** \ingroup m_vm_management
+ *
+ * \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_vm_get_name(msg_vm_t vm) {
+ return MSG_host_get_name(vm);
+}
/** @brief Returns a newly constructed dynar containing all existing VMs in the system.
* @ingroup msg_VMs
return __MSG_vm_is_state(msg_vm_state_running);
}
-// TODO complete the different state
-
-/** @brief Add the given process into the VM.
- * @ingroup msg_VMs
- *
- * Afterward, when the VM is migrated or suspended or whatever, the process will have the corresponding handling, too.
- *
- */
-void MSG_vm_bind(msg_vm_t vm, msg_process_t process) {
- /* check if the process is already in a VM */
- simdata_process_t simdata = simcall_process_get_data(process);
- if (simdata->vm) {
- msg_vm_t old_vm = simdata->vm;
- int pos = xbt_dynar_search(old_vm->processes,&process);
- xbt_dynar_remove_at(old_vm->processes,pos, NULL);
- }
- /* check if the host is in the right host */
- if (simdata->m_host != vm->location) {
- MSG_process_migrate(process,vm->location);
- }
- simdata->vm = vm;
+// TODO Implement the functions for the different state
- XBT_DEBUG("binding Process %s to %p",MSG_process_get_name(process),vm);
+void MSG_vm_shutdown(msg_vm_t vm)
+{
+ /* msg_vm_t equals to msg_host_t */
+ simcall_vm_shutdown(vm);
- xbt_dynar_push_as(vm->processes,msg_process_t,process);
-}
-/** @brief Removes the given process from the given VM, and kill it
- * @ingroup msg_VMs
- *
- * Will raise a not_found exception if the process were not binded to that VM
- */
-void MSG_vm_unbind(msg_vm_t vm, msg_process_t process) {
- int pos = xbt_dynar_search(vm->processes,process);
- xbt_dynar_remove_at(vm->processes,pos, NULL);
- MSG_process_kill(process);
+ // #ifdef HAVE_TRACING
+ // TRACE_msg_vm_(vm);
+ // #endif
}
-/** @brief Immediately change the host on which all processes are running.
- * @ingroup msg_VMs
- *
- * No migration cost occurs. If you want to simulate this too, you want to use a
- * MSG_task_send() before or after, depending on whether you want to do cold or hot
- * migration.
- */
-void MSG_vm_migrate(msg_vm_t vm, msg_host_t destination) {
- unsigned int cpt;
- msg_process_t process;
- xbt_dynar_foreach(vm->processes,cpt,process) {
- MSG_process_migrate(process,destination);
- }
- xbt_swag_remove(vm, MSG_host_priv(vm->location)->vms);
- xbt_swag_insert_at_tail(vm, MSG_host_priv(destination)->vms);
-
- #ifdef HAVE_TRACING
- TRACE_msg_vm_change_host(vm,vm->location,destination);
- #endif
- vm->location = destination;
-}
+///** @brief Add the given process into the VM.
+// * @ingroup msg_VMs
+// *
+// * Afterward, when the VM is migrated or suspended or whatever, the process will have the corresponding handling, too.
+// *
+// */
+//void MSG_vm_bind(msg_vm_t vm, msg_process_t process) {
+// /* check if the process is already in a VM */
+// simdata_process_t simdata = simcall_process_get_data(process);
+// if (simdata->vm) {
+// msg_vm_t old_vm = simdata->vm;
+// int pos = xbt_dynar_search(old_vm->processes,&process);
+// xbt_dynar_remove_at(old_vm->processes,pos, NULL);
+// }
+// /* check if the host is in the right host */
+// if (simdata->m_host != vm->location) {
+// MSG_process_migrate(process,vm->location);
+// }
+// simdata->vm = vm;
+//
+// XBT_DEBUG("binding Process %s to %p",MSG_process_get_name(process),vm);
+//
+// xbt_dynar_push_as(vm->processes,msg_process_t,process);
+//}
+///** @brief Removes the given process from the given VM, and kill it
+// * @ingroup msg_VMs
+// *
+// * Will raise a not_found exception if the process were not binded to that VM
+// */
+//void MSG_vm_unbind(msg_vm_t vm, msg_process_t process) {
+// int pos = xbt_dynar_search(vm->processes,process);
+// xbt_dynar_remove_at(vm->processes,pos, NULL);
+// MSG_process_kill(process);
+//}
+//
+///** @brief Immediately change the host on which all processes are running.
+// * @ingroup msg_VMs
+// *
+// * No migration cost occurs. If you want to simulate this too, you want to use a
+// * MSG_task_send() before or after, depending on whether you want to do cold or hot
+// * migration.
+// */
+//void MSG_vm_migrate(msg_vm_t vm, msg_host_t destination) {
+// unsigned int cpt;
+// msg_process_t process;
+// xbt_dynar_foreach(vm->processes,cpt,process) {
+// MSG_process_migrate(process,destination);
+// }
+// xbt_swag_remove(vm, MSG_host_priv(vm->location)->vms);
+// xbt_swag_insert_at_tail(vm, MSG_host_priv(destination)->vms);
+//
+// #ifdef HAVE_TRACING
+// TRACE_msg_vm_change_host(vm,vm->location,destination);
+// #endif
+//
+// vm->location = destination;
+//}
+//
/** @brief Immediately suspend the execution of all processes within the given VM.
* @ingroup msg_VMs
* use a \ref MSG_file_write() before or after, depending on the exact semantic
* of VM suspend to you.
*/
-void MSG_vm_suspend(msg_vm_t vm) {
- unsigned int cpt;
- msg_process_t process;
- xbt_dynar_foreach(vm->processes,cpt,process) {
- XBT_DEBUG("suspend process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process)));
- MSG_process_suspend(process);
- }
+void MSG_vm_suspend(msg_vm_t vm)
+{
+ simcall_vm_suspend(vm);
#ifdef HAVE_TRACING
TRACE_msg_vm_suspend(vm);
#endif
-}
-
-
-/** @brief Immediately resumes the execution of all processes within the given VM.
- * @ingroup msg_VMs
- *
- * No resume cost occurs. If you want to simulate this too, you want to
- * use a \ref MSG_file_read() before or after, depending on the exact semantic
- * of VM resume to you.
- */
-void MSG_vm_resume(msg_vm_t vm) {
+#if 0
unsigned int cpt;
msg_process_t process;
xbt_dynar_foreach(vm->processes,cpt,process) {
- XBT_DEBUG("resume process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process)));
- MSG_process_resume(process);
+ XBT_DEBUG("suspend process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process)));
+ MSG_process_suspend(process);
}
-
- #ifdef HAVE_TRACING
- TRACE_msg_vm_resume(vm);
- #endif
+#endif
}
-
-void MSG_vm_shutdown(msg_vm_t vm)
+//
+//
+///** @brief Immediately resumes the execution of all processes within the given VM.
+// * @ingroup msg_VMs
+// *
+// * No resume cost occurs. If you want to simulate this too, you want to
+// * use a \ref MSG_file_read() before or after, depending on the exact semantic
+// * of VM resume to you.
+// */
+//void MSG_vm_resume(msg_vm_t vm) {
+// unsigned int cpt;
+// msg_process_t process;
+// xbt_dynar_foreach(vm->processes,cpt,process) {
+// XBT_DEBUG("resume process %s of host %s",MSG_process_get_name(process),MSG_host_get_name(MSG_process_get_host(process)));
+// MSG_process_resume(process);
+// }
+//
+// #ifdef HAVE_TRACING
+// TRACE_msg_vm_resume(vm);
+// #endif
+//}
+//
+//
+///**
+// * \ingroup msg_VMs
+// * \brief Reboot the VM, restarting all the processes in it.
+// */
+//void MSG_vm_reboot(msg_vm_t vm)
+//{
+// xbt_dynar_t new_processes = xbt_dynar_new(sizeof(msg_process_t),NULL);
+//
+// msg_process_t process;
+// unsigned int cpt;
+//
+// xbt_dynar_foreach(vm->processes,cpt,process) {
+// msg_process_t new_process = MSG_process_restart(process);
+// xbt_dynar_push_as(new_processes,msg_process_t,new_process);
+//
+// }
+//
+// xbt_dynar_foreach(new_processes, cpt, process) {
+// MSG_vm_bind(vm,process);
+// }
+//
+// xbt_dynar_free(&new_processes);
+//}
+//
+
+/** @brief Destroy a VM. Destroy the VM object from the simulation.
+ * @ingroup msg_VMs
+ */
+void MSG_vm_destroy(msg_vm_t vm)
{
- /* msg_vm_t equals to msg_host_t */
- char *name = simcall_host_get_name(vm);
- smx_host_t smx_host = xbt_lib_get_or_null(host_lib, name, SIMIX_HOST_LEVEL);
- smx_process_t smx_process, smx_process_next;
+ /* First, terminate all processes on the VM */
+ simcall_vm_shutdown(vm);
- XBT_DEBUG("%lu processes in the VM", xbt_swag_size(SIMIX_host_priv(smx_host)->process_list));
+ /* Then, destroy the VM object */
+ simcall_vm_destroy(vm);
- xbt_swag_foreach_safe(smx_process, SIMIX_host_priv(smx_host)->process_list) {
- XBT_DEBUG("kill %s", SIMIX_host_get_name(smx_host));
- simcall_process_kill(smx_process);
- }
-
- /* taka: not yet confirmed */
#ifdef HAVE_TRACING
- TRACE_msg_vm_kill(vm);
+ TRACE_msg_vm_end(vm);
#endif
-
- /* TODO: update the state of vm */
-
#if 0
- while (xbt_dynar_length(vm->processes) > 0) {
- process = xbt_dynar_get_as(vm->processes,0,msg_process_t);
- }
-#endif
-}
-
-
-/**
- * \ingroup msg_VMs
- * \brief Reboot the VM, restarting all the processes in it.
- */
-void MSG_vm_reboot(msg_vm_t vm)
-{
- xbt_dynar_t new_processes = xbt_dynar_new(sizeof(msg_process_t),NULL);
-
- msg_process_t process;
- unsigned int cpt;
-
- xbt_dynar_foreach(vm->processes,cpt,process) {
- msg_process_t new_process = MSG_process_restart(process);
- xbt_dynar_push_as(new_processes,msg_process_t,new_process);
-
- }
-
- xbt_dynar_foreach(new_processes, cpt, process) {
- MSG_vm_bind(vm,process);
- }
-
- xbt_dynar_free(&new_processes);
-}
-
-/** @brief Destroy a msg_vm_t.
- * @ingroup msg_VMs
- */
-void MSG_vm_destroy(msg_vm_t vm) {
unsigned int cpt;
msg_process_t process;
xbt_dynar_foreach(vm->processes,cpt,process) {
simdata->vm = NULL;
}
- #ifdef HAVE_TRACING
- TRACE_msg_vm_end(vm);
- #endif
-
-
xbt_dynar_free(&vm->processes);
xbt_free(vm);
+#endif
}
