| 1 | /** @file
|
|---|
| 2 | *
|
|---|
| 3 | * VirtualBox interface to host's power notification service
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 19 | * additional information or have any questions.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 |
|
|---|
| 23 | /*******************************************************************************
|
|---|
| 24 | * Header Files *
|
|---|
| 25 | *******************************************************************************/
|
|---|
| 26 |
|
|---|
| 27 | #include "HostPower.h"
|
|---|
| 28 | #include "Logging.h"
|
|---|
| 29 |
|
|---|
| 30 | #include <VBox/com/ptr.h>
|
|---|
| 31 |
|
|---|
| 32 | #include <iprt/mem.h>
|
|---|
| 33 |
|
|---|
| 34 | HostPowerService::HostPowerService (VirtualBox *aVirtualBox)
|
|---|
| 35 | {
|
|---|
| 36 | Assert (aVirtualBox != NULL);
|
|---|
| 37 | mVirtualBox = aVirtualBox;
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | HostPowerService::~HostPowerService()
|
|---|
| 41 | {
|
|---|
| 42 | }
|
|---|
| 43 |
|
|---|
| 44 | void HostPowerService::notify (HostPowerEvent aEvent)
|
|---|
| 45 | {
|
|---|
| 46 | VirtualBox::SessionMachineVector machines;
|
|---|
| 47 | VirtualBox::InternalControlVector controls;
|
|---|
| 48 |
|
|---|
| 49 | HRESULT rc = S_OK;
|
|---|
| 50 |
|
|---|
| 51 | switch (aEvent)
|
|---|
| 52 | {
|
|---|
| 53 | case HostPowerEvent_Suspend:
|
|---|
| 54 | {
|
|---|
| 55 | LogFunc (("SUSPEND\n"));
|
|---|
| 56 |
|
|---|
| 57 | mVirtualBox->getOpenedMachinesAndControls (machines, controls);
|
|---|
| 58 |
|
|---|
| 59 | /* pause running VMs */
|
|---|
| 60 | for (size_t i = 0; i < controls.size(); ++ i)
|
|---|
| 61 | {
|
|---|
| 62 | /* get the remote console */
|
|---|
| 63 | ComPtr <IConsole> console;
|
|---|
| 64 | rc = controls [i]->GetRemoteConsole (console.asOutParam());
|
|---|
| 65 | /* the VM could have been powered down and closed or whatever */
|
|---|
| 66 | if (FAILED (rc))
|
|---|
| 67 | continue;
|
|---|
| 68 |
|
|---|
| 69 | /* note that Pause() will simply return a failure if the VM is
|
|---|
| 70 | * in an inappropriate state */
|
|---|
| 71 | rc = console->Pause();
|
|---|
| 72 | if (FAILED (rc))
|
|---|
| 73 | continue;
|
|---|
| 74 |
|
|---|
| 75 | /* save the control to un-pause the VM later */
|
|---|
| 76 | mConsoles.push_back (console);
|
|---|
| 77 | }
|
|---|
| 78 |
|
|---|
| 79 | LogFunc (("Suspended %d VMs\n", mConsoles.size()));
|
|---|
| 80 |
|
|---|
| 81 | break;
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 | case HostPowerEvent_Resume:
|
|---|
| 85 | {
|
|---|
| 86 | LogFunc (("RESUME\n"));
|
|---|
| 87 |
|
|---|
| 88 | size_t resumed = 0;
|
|---|
| 89 |
|
|---|
| 90 | /* go through VMs we paused on Suspend */
|
|---|
| 91 | for (size_t i = 0; i < mConsoles.size(); ++ i)
|
|---|
| 92 | {
|
|---|
| 93 | /* note that Resume() will simply return a failure if the VM is
|
|---|
| 94 | * in an inappropriate state (it will also fail if the VM has
|
|---|
| 95 | * been somehow closed by this time already so that the
|
|---|
| 96 | * console reference we have is dead) */
|
|---|
| 97 | rc = mConsoles [i]->Resume();
|
|---|
| 98 | if (FAILED (rc))
|
|---|
| 99 | continue;
|
|---|
| 100 |
|
|---|
| 101 | ++ resumed;
|
|---|
| 102 | }
|
|---|
| 103 |
|
|---|
| 104 | LogFunc (("Resumed %d VMs\n", resumed));
|
|---|
| 105 |
|
|---|
| 106 | mConsoles.clear();
|
|---|
| 107 |
|
|---|
| 108 | break;
|
|---|
| 109 | }
|
|---|
| 110 |
|
|---|
| 111 | case HostPowerEvent_BatteryLow:
|
|---|
| 112 | {
|
|---|
| 113 | LogFunc (("BATTERY LOW\n"));
|
|---|
| 114 |
|
|---|
| 115 | mVirtualBox->getOpenedMachinesAndControls (machines, controls);
|
|---|
| 116 |
|
|---|
| 117 | size_t saved = 0;
|
|---|
| 118 |
|
|---|
| 119 | /* save running VMs */
|
|---|
| 120 | for (size_t i = 0; i < controls.size(); ++ i)
|
|---|
| 121 | {
|
|---|
| 122 | /* get the remote console */
|
|---|
| 123 | ComPtr <IConsole> console;
|
|---|
| 124 | rc = controls [i]->GetRemoteConsole (console.asOutParam());
|
|---|
| 125 | /* the VM could have been powered down and closed or whatever */
|
|---|
| 126 | if (FAILED (rc))
|
|---|
| 127 | continue;
|
|---|
| 128 |
|
|---|
| 129 | ComPtr<IProgress> progress;
|
|---|
| 130 |
|
|---|
| 131 | /* note that SaveState() will simply return a failure if the VM
|
|---|
| 132 | * is in an inappropriate state */
|
|---|
| 133 | rc = console->SaveState (progress.asOutParam());
|
|---|
| 134 | if (FAILED (rc))
|
|---|
| 135 | continue;
|
|---|
| 136 |
|
|---|
| 137 | /* Wait until the operation has been completed. */
|
|---|
| 138 | rc = progress->WaitForCompletion(-1);
|
|---|
| 139 | if (SUCCEEDED (rc))
|
|---|
| 140 | progress->COMGETTER(ResultCode) (&rc);
|
|---|
| 141 |
|
|---|
| 142 | AssertMsg (SUCCEEDED (rc), ("SaveState WaitForCompletion "
|
|---|
| 143 | "failed with %Rhrc (%#08X)\n", rc, rc));
|
|---|
| 144 |
|
|---|
| 145 | if (SUCCEEDED (rc))
|
|---|
| 146 | ++ saved;
|
|---|
| 147 | }
|
|---|
| 148 |
|
|---|
| 149 | LogFunc (("Saved %d VMs\n", saved));
|
|---|
| 150 |
|
|---|
| 151 | break;
|
|---|
| 152 | }
|
|---|
| 153 | }
|
|---|
| 154 | }
|
|---|
| 155 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
|
|---|
