ConsoleImplTeleporter.cpp revision f57617b98487e0aa2cac4364b2449974c575b89c
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/* $Id$ */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/** @file
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * VBox Console COM Class implementation, The Teleporter Part.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Copyright (C) 2009 Oracle Corporation
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * available from http://www.virtualbox.org. This file is free software;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * you can redistribute it and/or modify it under the terms of the GNU
92a27575521748a392dcd1b996fce55b87411a00vboxsync * General Public License (GPL) as published by the Free Software
92a27575521748a392dcd1b996fce55b87411a00vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
92a27575521748a392dcd1b996fce55b87411a00vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
92a27575521748a392dcd1b996fce55b87411a00vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
92a27575521748a392dcd1b996fce55b87411a00vboxsync */
92a27575521748a392dcd1b996fce55b87411a00vboxsync
92a27575521748a392dcd1b996fce55b87411a00vboxsync
92a27575521748a392dcd1b996fce55b87411a00vboxsync/*******************************************************************************
92a27575521748a392dcd1b996fce55b87411a00vboxsync* Header Files *
92a27575521748a392dcd1b996fce55b87411a00vboxsync*******************************************************************************/
92a27575521748a392dcd1b996fce55b87411a00vboxsync#include "ConsoleImpl.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include "Global.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include "ProgressImpl.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include "AutoCaller.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include "Logging.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/asm.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/err.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/rand.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/socket.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/tcp.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <iprt/timer.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <VBox/vmapi.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <VBox/ssm.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <VBox/err.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <VBox/version.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include <VBox/com/string.h>
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#include "VBox/com/ErrorInfo.h"
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*******************************************************************************
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync* Structures and Typedefs *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync*******************************************************************************/
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Base class for the teleporter state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * These classes are used as advanced structs, not as proper classes.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncclass TeleporterState
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncpublic:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ComPtr<Console> mptrConsole;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync PVM mpVM;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ComObjPtr<Progress> mptrProgress;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Utf8Str mstrPassword;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool const mfIsSource;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /** @name stream stuff
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @{ */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTSOCKET mhSocket;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint64_t moffStream;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t mcbReadBlock;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool volatile mfStopReading;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool volatile mfEndOfStream;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool volatile mfIOError;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /** @} */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState(Console *pConsole, PVM pVM, Progress *pProgress, bool fIsSource)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync : mptrConsole(pConsole)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mpVM(pVM)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mptrProgress(pProgress)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfIsSource(fIsSource)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mhSocket(NIL_RTSOCKET)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , moffStream(UINT64_MAX / 2)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mcbReadBlock(0)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfStopReading(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfEndOfStream(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfIOError(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync};
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Teleporter state used by the source side.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncclass TeleporterStateSrc : public TeleporterState
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncpublic:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Utf8Str mstrHostname;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t muPort;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t mcMsMaxDowntime;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync MachineState_T menmOldMachineState;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool mfSuspendedByUs;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool mfUnlockedMedia;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateSrc(Console *pConsole, PVM pVM, Progress *pProgress, MachineState_T enmOldMachineState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync : TeleporterState(pConsole, pVM, pProgress, true /*fIsSource*/)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , muPort(UINT32_MAX)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mcMsMaxDowntime(250)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , menmOldMachineState(enmOldMachineState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfSuspendedByUs(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfUnlockedMedia(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync};
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Teleporter state used by the destiation side.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncclass TeleporterStateTrg : public TeleporterState
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncpublic:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync IMachine *mpMachine;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync IInternalMachineControl *mpControl;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync PRTTCPSERVER mhServer;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync PRTTIMERLR mphTimerLR;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync bool mfLockedMedia;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int mRc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Utf8Str mErrorText;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateTrg(Console *pConsole, PVM pVM, Progress *pProgress,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync IMachine *pMachine, IInternalMachineControl *pControl,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync PRTTIMERLR phTimerLR, bool fStartPaused)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync : TeleporterState(pConsole, pVM, pProgress, false /*fIsSource*/)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mpMachine(pMachine)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mpControl(pControl)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mhServer(NULL)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mphTimerLR(phTimerLR)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mfLockedMedia(false)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mRc(VINF_SUCCESS)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync , mErrorText()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync};
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * TCP stream header.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * This is an extra layer for fixing the problem with figuring out when the SSM
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * stream ends.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsynctypedef struct TELEPORTERTCPHDR
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /** Magic value. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t u32Magic;
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync /** The size of the data block following this header.
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync * 0 indicates the end of the stream, while UINT32_MAX indicates
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * cancelation. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync} TELEPORTERTCPHDR;
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync/** Magic value for TELEPORTERTCPHDR::u32Magic. (Egberto Gismonti Amin) */
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync#define TELEPORTERTCPHDR_MAGIC UINT32_C(0x19471205)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/** The max block size. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync#define TELEPORTERTCPHDR_MAX_SIZE UINT32_C(0x00fffff8)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*******************************************************************************
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync* Global Variables *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync*******************************************************************************/
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic const char g_szWelcome[] = "VirtualBox-Teleporter-1.0\n";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Reads a string from the socket.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VBox status code.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter state structure.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pszBuf The output buffer.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param cchBuf The size of the output buffer.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic int teleporterTcpReadLine(TeleporterState *pState, char *pszBuf, size_t cchBuf)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char *pszStart = pszBuf;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTSOCKET Sock = pState->mhSocket;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertReturn(cchBuf > 1, VERR_INTERNAL_ERROR);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pszBuf = '\0';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* dead simple approach. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (;;)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char ch;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpRead(Sock, &ch, sizeof(ch), NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: RTTcpRead -> %Rrc while reading string ('%s')\n", rc, pszStart));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( ch == '\n'
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || ch == '\0')
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (cchBuf <= 1)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: String buffer overflow: '%s'\n", pszStart));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_BUFFER_OVERFLOW;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pszBuf++ = ch;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pszBuf = '\0';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cchBuf--;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Reads an ACK or NACK.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns S_OK on ACK, E_FAIL+setError() on failure or NACK.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter source state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pszWhich Which ACK is this this?
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pszNAckMsg Optional NACK message.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @remarks the setError laziness forces this to be a Console member.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncHRESULT
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterSrcReadACK(TeleporterStateSrc *pState, const char *pszWhich,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync const char *pszNAckMsg /*= NULL*/)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char szMsg[256];
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc = teleporterTcpReadLine(pState, szMsg, sizeof(szMsg));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Failed reading ACK(%s): %Rrc"), pszWhich, vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!strcmp(szMsg, "ACK"))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return S_OK;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!strncmp(szMsg, "NACK=", sizeof("NACK=") - 1))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char *pszMsgText = strchr(szMsg, ';');
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszMsgText)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pszMsgText++ = '\0';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int32_t vrc2;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTStrToInt32Full(&szMsg[sizeof("NACK=") - 1], 10, &vrc2);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (vrc == VINF_SUCCESS)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Well formed NACK, transform it into an error.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszNAckMsg)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: %s: NACK=%Rrc (%d)\n", pszWhich, vrc2, vrc2));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, pszNAckMsg);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszMsgText)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pszMsgText = RTStrStrip(pszMsgText);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (size_t off = 0; pszMsgText[off]; off++)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszMsgText[off] == '\r')
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pszMsgText[off] = '\n';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: %s: NACK=%Rrc (%d) - '%s'\n", pszWhich, vrc2, vrc2, pszMsgText));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (strlen(pszMsgText) > 4)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, "%s", pszMsgText);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, "NACK(%s) - %Rrc (%d) '%s'", pszWhich, vrc2, vrc2, pszMsgText);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, "NACK(%s) - %Rrc (%d)", pszWhich, vrc2, vrc2);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszMsgText)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pszMsgText[-1] = ';';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("%s: Expected ACK or NACK, got '%s'"), pszWhich, szMsg);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Submitts a command to the destination and waits for the ACK.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns S_OK on ACKed command, E_FAIL+setError() on failure.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter source state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pszCommand The command.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param fWaitForAck Whether to wait for the ACK.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @remarks the setError laziness forces this to be a Console member.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncHRESULT
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterSrcSubmitCommand(TeleporterStateSrc *pState, const char *pszCommand, bool fWaitForAck /*= true*/)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc = RTTcpSgWriteL(pState->mhSocket, 2, pszCommand, strlen(pszCommand), "\n", sizeof("\n") - 1);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpFlush(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Failed writing command '%s': %Rrc"), pszCommand, vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!fWaitForAck)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return S_OK;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return teleporterSrcReadACK(pState, pszCommand);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnWrite
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpWrite(void *pvUser, uint64_t offStream, const void *pvBuf, size_t cbToWrite)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertReturn(cbToWrite > 0, VINF_SUCCESS);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertReturn(cbToWrite < UINT32_MAX, VERR_OUT_OF_RANGE);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertReturn(pState->mfIsSource, VERR_INVALID_HANDLE);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (;;)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TELEPORTERTCPHDR Hdr;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Hdr.u32Magic = TELEPORTERTCPHDR_MAGIC;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Hdr.cb = RT_MIN((uint32_t)cbToWrite, TELEPORTERTCPHDR_MAX_SIZE);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpSgWriteL(pState->mhSocket, 2, &Hdr, sizeof(Hdr), pvBuf, (size_t)Hdr.cb);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Write error: %Rrc (cb=%#x)\n", rc, Hdr.cb));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->moffStream += Hdr.cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (Hdr.cb == cbToWrite)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* advance */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cbToWrite -= Hdr.cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pvBuf = (uint8_t const *)pvBuf + Hdr.cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Selects and poll for close condition.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * We can use a relatively high poll timeout here since it's only used to get
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * us out of error paths. In the normal cause of events, we'll get a
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * end-of-stream header.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VBox status code.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter state data.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic int teleporterTcpReadSelect(TeleporterState *pState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync do
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = RTTcpSelectOne(pState->mhSocket, 1000);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc) && rc != VERR_TIMEOUT)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfIOError = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Header select error: %Rrc\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfStopReading)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = VERR_EOF;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync } while (rc == VERR_TIMEOUT);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnRead
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpRead(void *pvUser, uint64_t offStream, void *pvBuf, size_t cbToRead, size_t *pcbRead)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertReturn(!pState->mfIsSource, VERR_INVALID_HANDLE);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (;;)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Check for various conditions and may have been signalled.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfEndOfStream)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_EOF;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfStopReading)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_EOF;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfIOError)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_IO_GEN_FAILURE;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * If there is no more data in the current block, read the next
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * block header.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!pState->mcbReadBlock)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = teleporterTcpReadSelect(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TELEPORTERTCPHDR Hdr;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = RTTcpRead(pState->mhSocket, &Hdr, sizeof(Hdr), NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfIOError = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Header read error: %Rrc\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_UNLIKELY( Hdr.u32Magic != TELEPORTERTCPHDR_MAGIC
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || Hdr.cb > TELEPORTERTCPHDR_MAX_SIZE
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || Hdr.cb == 0))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( Hdr.u32Magic == TELEPORTERTCPHDR_MAGIC
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync && ( Hdr.cb == 0
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || Hdr.cb == UINT32_MAX)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync )
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfEndOfStream = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mcbReadBlock = 0;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return Hdr.cb ? VERR_SSM_CANCELLED : VERR_EOF;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfIOError = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Invalid block: u32Magic=%#x cb=%#x\n", Hdr.u32Magic, Hdr.cb));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_IO_GEN_FAILURE;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mcbReadBlock = Hdr.cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfStopReading)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_EOF;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Read more data.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = teleporterTcpReadSelect(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint32_t cb = (uint32_t)RT_MIN(pState->mcbReadBlock, cbToRead);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = RTTcpRead(pState->mhSocket, pvBuf, cb, pcbRead);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfIOError = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Data read error: %Rrc (cb=%#x)\n", rc, cb));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pcbRead)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cb = (uint32_t)*pcbRead;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->moffStream += cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mcbReadBlock -= cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->moffStream += cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mcbReadBlock -= cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (cbToRead == cb)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Advance to the next block. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cbToRead -= cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pvBuf = (uint8_t *)pvBuf + cb;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnSeek
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpSeek(void *pvUser, int64_t offSeek, unsigned uMethod, uint64_t *poffActual)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_NOT_SUPPORTED;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnTell
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(uint64_t) teleporterTcpOpTell(void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return pState->moffStream;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnSize
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpSize(void *pvUser, uint64_t *pcb)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_NOT_SUPPORTED;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnIsOk
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpIsOk(void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfIsSource)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Poll for incoming NACKs and errors from the other side */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpSelectOne(pState->mhSocket, 0);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (rc != VERR_TIMEOUT)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: Incoming data detect by IsOk, assuming it is a cancellation NACK.\n"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = VERR_SSM_CANCELLED;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: RTTcpSelectOne -> %Rrc (IsOk).\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc SSMSTRMOPS::pfnClose
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterTcpOpClose(void *pvUser, bool fCancelled)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfIsSource)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TELEPORTERTCPHDR EofHdr;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync EofHdr.u32Magic = TELEPORTERTCPHDR_MAGIC;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync EofHdr.cb = fCancelled ? UINT32_MAX : 0;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpWrite(pState->mhSocket, &EofHdr, sizeof(EofHdr));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync rc = RTTcpFlush(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter/TCP: EOF Header write error: %Rrc\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ASMAtomicWriteBool(&pState->mfStopReading, true);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpFlush(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Method table for a TCP based stream.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic SSMSTRMOPS const g_teleporterTcpOps =
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync SSMSTRMOPS_VERSION,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpWrite,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpRead,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpSeek,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpTell,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpSize,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpIsOk,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpOpClose,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync SSMSTRMOPS_VERSION
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync};
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Progress cancelation callback.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic void teleporterProgressCancelCallback(void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync SSMR3Cancel(pState->mpVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!pState->mfIsSource)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateTrg *pStateTrg = (TeleporterStateTrg *)pState;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpServerShutdown(pStateTrg->mhServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc PFNVMPROGRESS
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(int) teleporterProgressCallback(PVM pVM, unsigned uPercent, void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterState *pState = (TeleporterState *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mptrProgress)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc = pState->mptrProgress->SetCurrentOperationProgress(uPercent);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* check if the failure was caused by cancellation. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync BOOL fCancelled;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pState->mptrProgress->COMGETTER(Canceled)(&fCancelled);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc) && fCancelled)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync SSMR3Cancel(pState->mpVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VERR_SSM_CANCELLED;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc FNRTTIMERLR
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic DECLCALLBACK(void) teleporterDstTimeout(RTTIMERLR hTimerLR, void *pvUser, uint64_t iTick)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* This is harmless for any open connections. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpServerShutdown((PRTTCPSERVER)pvUser);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Do the teleporter.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VBox status code.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncHRESULT
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterSrc(TeleporterStateSrc *pState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AutoCaller autoCaller(this);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(autoCaller.rc())) return autoCaller.rc();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Wait for Console::Teleport to change the state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync { AutoWriteLock autoLock(this COMMA_LOCKVAL_SRC_POS); }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync BOOL fCancelled = TRUE;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc = pState->mptrProgress->COMGETTER(Canceled)(&fCancelled);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (fCancelled)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("cancelled"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Try connect to the destination machine.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * (Note. The caller cleans up mhSocket, so we can return without worries.)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc = RTTcpClientConnect(pState->mstrHostname.c_str(), pState->muPort, &pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Failed to connect to port %u on '%s': %Rrc"),
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->muPort, pState->mstrHostname.c_str(), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Read and check the welcome message. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char szLine[RT_MAX(128, sizeof(g_szWelcome))];
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RT_ZERO(szLine);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpRead(pState->mhSocket, szLine, sizeof(g_szWelcome) - 1, NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Failed to read welcome message: %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (strcmp(szLine, g_szWelcome))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Unexpected welcome %.*Rhxs"), sizeof(g_szWelcome) - 1, szLine);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* password */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mstrPassword.append('\n');
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpWrite(pState->mhSocket, pState->mstrPassword.c_str(), pState->mstrPassword.length());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("Failed to send password: %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* ACK */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcReadACK(pState, "password", tr("Invalid password"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Start loading the state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Note! The saved state includes vital configuration data which will be
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * verified against the VM config on the other end. This is all done
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * in the first pass, so we should fail pretty promptly on misconfig.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcSubmitCommand(pState, "load");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTSocketRetain(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync void *pvUser = static_cast<void *>(static_cast<TeleporterState *>(pState));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = VMR3Teleport(pState->mpVM, pState->mcMsMaxDowntime,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync &g_teleporterTcpOps, pvUser,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterProgressCallback, pvUser,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync &pState->mfSuspendedByUs);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTSocketRelease(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( vrc == VERR_SSM_CANCELLED
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync && RT_SUCCESS(RTTcpSelectOne(pState->mhSocket, 1)))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcReadACK(pState, "load-complete");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("VMR3Teleport -> %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcReadACK(pState, "load-complete");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * We're at the point of no return.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!pState->mptrProgress->notifyPointOfNoReturn())
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterSrcSubmitCommand(pState, "cancel", false /*fWaitForAck*/);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return E_FAIL;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Hand over any media which we might be sharing.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Note! This is only important on localhost teleportations.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /** @todo Maybe we should only do this if it's a local teleportation... */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = mControl->UnlockMedia();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfUnlockedMedia = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcSubmitCommand(pState, "lock-media");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync * The FINAL step is giving the target instructions how to proceed with the VM.
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( vrc == VINF_SSM_LIVE_SUSPENDED
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || pState->menmOldMachineState == MachineState_Paused)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcSubmitCommand(pState, "hand-over-paused");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = teleporterSrcSubmitCommand(pState, "hand-over-resume");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * teleporterSrcThreadWrapper will do the automatic power off because it
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * has to release the AutoVMCaller.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return S_OK;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Static thread method wrapper.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VINF_SUCCESS (ignored).
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param hThread The thread.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pvUser Pointer to a TeleporterStateSrc instance.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*static*/ DECLCALLBACK(int)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterSrcThreadWrapper(RTTHREAD hThread, void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateSrc *pState = (TeleporterStateSrc *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Console::teleporterSrc does the work, we just grab onto the VM handle
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * and do the cleanups afterwards.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AutoVMCaller autoVMCaller(pState->mptrConsole);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc = autoVMCaller.rc();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pState->mptrConsole->teleporterSrc(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Close the connection ASAP on so that the other side can complete. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mhSocket != NIL_RTSOCKET)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpClientClose(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mhSocket = NIL_RTSOCKET;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Aaarg! setMachineState trashes error info on Windows, so we have to
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync complete things here on failure instead of right before cleanup. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrProgress->notifyComplete(hrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* We can no longer be cancelled (success), or it doesn't matter any longer (failure). */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrProgress->setCancelCallback(NULL, NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Write lock the console before resetting mptrCancelableProgress and
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * fixing the state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AutoWriteLock autoLock(pState->mptrConsole COMMA_LOCKVAL_SRC_POS);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->mptrCancelableProgress.setNull();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync VMSTATE const enmVMState = VMR3GetState(pState->mpVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync MachineState_T const enmMachineState = pState->mptrConsole->mMachineState;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Automatically shut down the VM on success.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Note! We have to release the VM caller object or we'll deadlock in
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * powerDown.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertLogRelMsg(enmVMState == VMSTATE_SUSPENDED, ("%s\n", VMR3GetStateName(enmVMState)));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertLogRelMsg(enmMachineState == MachineState_TeleportingPausedVM, ("%s\n", Global::stringifyMachineState(enmMachineState)));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync autoVMCaller.release();
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->mVMIsAlreadyPoweringOff = true; /* (Make sure we stick in the TeleportingPausedVM state.) */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pState->mptrConsole->powerDown();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->mVMIsAlreadyPoweringOff = false;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrProgress->notifyComplete(hrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Work the state machinery on failure.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * If the state is no longer 'Teleporting*', some other operation has
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * canceled us and there is nothing we need to do here. In all other
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * cases, we've failed one way or another.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( enmMachineState == MachineState_Teleporting
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || enmMachineState == MachineState_TeleportingPausedVM
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync )
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfUnlockedMedia)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ErrorInfoKeeper Oak;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc2 = pState->mptrConsole->mControl->LockMedia();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc2))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uint64_t StartMS = RTTimeMilliTS();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync do
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTThreadSleep(2);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc2 = pState->mptrConsole->mControl->LockMedia();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync } while ( FAILED(hrc2)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync && RTTimeMilliTS() - StartMS < 2000);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc2))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfUnlockedMedia = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("FATAL ERROR: Failed to re-take the media locks. hrc2=%Rhrc\n", hrc2));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync switch (enmVMState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_RUNNING:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_RUNNING_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_DEBUGGING:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_DEBUGGING_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_POWERING_OFF:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_POWERING_OFF_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_RESETTING:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_RESETTING_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Assert(!pState->mfSuspendedByUs);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Assert(!pState->mfUnlockedMedia);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->setMachineState(MachineState_Running);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_GURU_MEDITATION:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_GURU_MEDITATION_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->setMachineState(MachineState_Stuck);
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync break;
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_FATAL_ERROR:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_FATAL_ERROR_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->setMachineState(MachineState_Paused);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync default:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertMsgFailed(("%s\n", VMR3GetStateName(enmVMState)));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_SUSPENDED:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_SUSPENDED_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_SUSPENDING:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_SUSPENDING_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case VMSTATE_SUSPENDING_EXT_LS:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (!pState->mfUnlockedMedia)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->setMachineState(MachineState_Paused);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfSuspendedByUs)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync autoLock.leave();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = VMR3Resume(pState->mpVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertLogRelMsgRC(rc, ("VMR3Resume -> %Rrc\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync autoLock.enter();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Faking a guru meditation is the best I can think of doing here... */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mptrConsole->setMachineState(MachineState_Stuck);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync autoLock.leave();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Cleanup.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Assert(pState->mhSocket == NIL_RTSOCKET);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync delete pState;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS; /* ignored */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Start teleporter to the specified target.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns COM status code.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param aHostname The name of the target host.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param aPort The TCP port number.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param aPassword The password.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param aMaxDowntime Max allowed "downtime" in milliseconds.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param aProgress Where to return the progress object.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncSTDMETHODIMP
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::Teleport(IN_BSTR aHostname, ULONG aPort, IN_BSTR aPassword, ULONG aMaxDowntime, IProgress **aProgress)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Validate parameters, check+hold object status, write lock the object
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * and validate the state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync CheckComArgOutPointerValid(aProgress);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync CheckComArgStrNotEmptyOrNull(aHostname);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync CheckComArgStrNotEmptyOrNull(aHostname);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync CheckComArgExprMsg(aPort, aPort > 0 && aPort <= 65535, ("is %u", aPort));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync CheckComArgExprMsg(aMaxDowntime, aMaxDowntime > 0, ("is %u", aMaxDowntime));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AutoCaller autoCaller(this);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(autoCaller.rc())) return autoCaller.rc();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AutoWriteLock autoLock(this COMMA_LOCKVAL_SRC_POS);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogFlowThisFunc(("mMachineState=%d\n", mMachineState));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync switch (mMachineState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case MachineState_Running:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync case MachineState_Paused:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync default:
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(VBOX_E_INVALID_VM_STATE,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync tr("Invalid machine state: %s (must be Running or Paused)"),
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Global::stringifyMachineState(mMachineState));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Create a progress object, spawn a worker thread and change the state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Note! The thread won't start working until we release the lock.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogFlowThisFunc(("Initiating TELEPORT request...\n"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ComObjPtr<Progress> ptrProgress;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc = ptrProgress.createObject();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc)) return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = ptrProgress->init(static_cast<IConsole *>(this), Bstr(tr("Teleporter")), TRUE /*aCancelable*/);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc)) return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateSrc *pState = new TeleporterStateSrc(this, mpVM, ptrProgress, mMachineState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mstrPassword = aPassword;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mstrHostname = aHostname;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->muPort = aPort;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mcMsMaxDowntime = aMaxDowntime;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync void *pvUser = static_cast<void *>(static_cast<TeleporterState *>(pState));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ptrProgress->setCancelCallback(teleporterProgressCancelCallback, pvUser);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc = RTThreadCreate(NULL, Console::teleporterSrcThreadWrapper, (void *)pState, 0 /*cbStack*/,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTHREADTYPE_EMULATION, 0 /*fFlags*/, "Teleport");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (mMachineState == MachineState_Running)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setMachineState(MachineState_Teleporting);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setMachineState(MachineState_TeleportingPausedVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ptrProgress.queryInterfaceTo(aProgress);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync mptrCancelableProgress = ptrProgress;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ptrProgress->Cancel();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ptrProgress->setCancelCallback(NULL, NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync delete pState;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("RTThreadCreate -> %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Creates a TCP server that listens for the source machine and passes control
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * over to Console::teleporterTrgServeConnection().
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VBox status code.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pVM The VM handle
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pMachine The IMachine for the virtual machine.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pErrorMsg Pointer to the error string for VMSetError.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param fStartPaused Whether to start it in the Paused (true) or
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Running (false) state,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pProgress Pointer to the progress object.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pfPowerOffOnFailure Whether the caller should power off
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * the VM on failure.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @remarks The caller expects error information to be set on failure.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @todo Check that all the possible failure paths sets error info...
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncHRESULT
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterTrg(PVM pVM, IMachine *pMachine, Utf8Str *pErrorMsg, bool fStartPaused,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Progress *pProgress, bool *pfPowerOffOnFailure)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogThisFunc(("pVM=%p pMachine=%p fStartPaused=%RTbool pProgress=%p\n", pVM, pMachine, fStartPaused, pProgress));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pfPowerOffOnFailure = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Get the config.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ULONG uPort;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc = pMachine->COMGETTER(TeleporterPort)(&uPort);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ULONG const uPortOrg = uPort;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Bstr bstrAddress;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pMachine->COMGETTER(TeleporterAddress)(bstrAddress.asOutParam());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Utf8Str strAddress(bstrAddress);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync const char *pszAddress = strAddress.isEmpty() ? NULL : strAddress.c_str();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Bstr bstrPassword;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pMachine->COMGETTER(TeleporterPassword)(bstrPassword.asOutParam());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync Utf8Str strPassword(bstrPassword);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync strPassword.append('\n'); /* To simplify password checking. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Create the TCP server.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync PRTTCPSERVER hServer;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (uPort)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpServerCreateEx(pszAddress, uPort, &hServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (int cTries = 10240; cTries > 0; cTries--)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync uPort = RTRandU32Ex(cTries >= 8192 ? 49152 : 1024, 65534);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpServerCreateEx(pszAddress, uPort, &hServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (vrc != VERR_NET_ADDRESS_IN_USE)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync break;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pMachine->COMSETTER(TeleporterPort)(uPort);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (FAILED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpServerDestroy(hServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return setError(E_FAIL, tr("RTTcpServerCreateEx failed with status %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Create a one-shot timer for timing out after 5 mins.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTIMERLR hTimerLR;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTimerLRCreateEx(&hTimerLR, 0 /*ns*/, RTTIMER_FLAGS_CPU_ANY, teleporterDstTimeout, hServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTimerLRStart(hTimerLR, 5*60*UINT64_C(1000000000) /*ns*/);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Do the job, when it returns we're done.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateTrg theState(this, pVM, pProgress, pMachine, mControl, &hTimerLR, fStartPaused);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync theState.mstrPassword = strPassword;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync theState.mhServer = hServer;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync void *pvUser = static_cast<void *>(static_cast<TeleporterState *>(&theState));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pProgress->setCancelCallback(teleporterProgressCancelCallback, pvUser))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Waiting for incoming VM...\n"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pProgress->SetNextOperation(Bstr(tr("Waiting for incoming VM")), 1);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (SUCCEEDED(hrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpServerListen(hServer, Console::teleporterTrgServeConnection, &theState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pProgress->setCancelCallback(NULL, NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (vrc == VERR_TCP_SERVER_STOP)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = theState.mRc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Power off the VM on failure unless the state callback
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync already did that. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pfPowerOffOnFailure = false;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = S_OK;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync VMSTATE enmVMState = VMR3GetState(pVM);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( enmVMState != VMSTATE_OFF
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync && enmVMState != VMSTATE_POWERING_OFF)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *pfPowerOffOnFailure = true;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /* Set error. */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pErrorMsg->length())
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, "%s", pErrorMsg->c_str());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("Teleporation failed (%Rrc)"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else if (vrc == VERR_TCP_SERVER_SHUTDOWN)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync BOOL fCancelled = TRUE;
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync hrc = pProgress->COMGETTER(Canceled)(&fCancelled);
28a02a9abdb21adbaaeeae87339534ca0346f97avboxsync if (FAILED(hrc) || fCancelled)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("Teleporting canceled"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("Teleporter timed out waiting for incoming connection"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: RTTcpServerListen aborted - %Rrc\n", vrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("Unexpected RTTcpServerListen status code %Rrc"), vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Unexpected RTTcpServerListen rc: %Rrc\n", vrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogThisFunc(("SetNextOperation failed, %Rhrc\n", hrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogThisFunc(("Canceled - check point #1\n"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, tr("Teleporting canceled"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, "RTTimerLRStart -> %Rrc", vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTimerLRDestroy(hTimerLR);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = setError(E_FAIL, "RTTimerLRCreate -> %Rrc", vrc);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpServerDestroy(hServer);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * If we change TeleporterPort above, set it back to it's original
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * value before returning.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (uPortOrg != uPort)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync ErrorInfoKeeper Eik;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pMachine->COMSETTER(TeleporterPort)(uPortOrg);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Unlock the media.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * This is used in error paths.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @param pState The teleporter state.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic void teleporterTrgUnlockMedia(TeleporterStateTrg *pState)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pState->mfLockedMedia)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mpControl->UnlockMedia();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mfLockedMedia = false;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic int teleporterTcpWriteACK(TeleporterStateTrg *pState, bool fAutomaticUnlock = true)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpWrite(pState->mhSocket, "ACK\n", sizeof("ACK\n") - 1);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: RTTcpWrite(,ACK,) -> %Rrc\n", rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (fAutomaticUnlock)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTrgUnlockMedia(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpFlush(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncstatic int teleporterTcpWriteNACK(TeleporterStateTrg *pState, int32_t rc2, const char *pszMsgText = NULL)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Unlock media sending the NACK. That way the other doesn't have to spin
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * waiting to regain the locks.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTrgUnlockMedia(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char szMsg[256];
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync size_t cch;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (pszMsgText && *pszMsgText)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cch = RTStrPrintf(szMsg, sizeof(szMsg), "NACK=%d;%s\n", rc2, pszMsgText);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync for (size_t off = 6; off + 1 < cch; off++)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (szMsg[off] == '\n')
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync szMsg[off] = '\r';
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync cch = RTStrPrintf(szMsg, sizeof(szMsg), "NACK=%d\n", rc2);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int rc = RTTcpWrite(pState->mhSocket, szMsg, cch);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(rc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: RTTcpWrite(,%s,%zu) -> %Rrc\n", szMsg, cch, rc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTTcpFlush(pState->mhSocket);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return rc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/**
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @copydoc FNRTTCPSERVE
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * @returns VINF_SUCCESS or VERR_TCP_SERVER_STOP.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*static*/ DECLCALLBACK(int)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncConsole::teleporterTrgServeConnection(RTSOCKET Sock, void *pvUser)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync TeleporterStateTrg *pState = (TeleporterStateTrg *)pvUser;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync pState->mhSocket = Sock;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Say hello.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync int vrc = RTTcpWrite(Sock, g_szWelcome, sizeof(g_szWelcome) - 1);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Failed to write welcome message: %Rrc\n", vrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Password (includes '\n', see teleporterTrg).
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync const char *pszPassword = pState->mstrPassword.c_str();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync unsigned off = 0;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync while (pszPassword[off])
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync char ch;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpRead(Sock, &ch, sizeof(ch), NULL);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if ( RT_FAILURE(vrc)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync || pszPassword[off] != ch)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Password read failure (off=%u): %Rrc\n", off, vrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Invalid password (off=%u)\n", off));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync teleporterTcpWriteNACK(pState, VERR_AUTHENTICATION_FAILURE);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync off++;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = teleporterTcpWriteACK(pState);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_FAILURE(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync return VINF_SUCCESS;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Update the progress bar, with peer name if available.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync HRESULT hrc;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync RTNETADDR Addr;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync vrc = RTTcpGetPeerAddress(Sock, &Addr);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync if (RT_SUCCESS(vrc))
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Incoming VM from %RTnaddr!\n", &Addr));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pState->mptrProgress->SetNextOperation(BstrFmt(tr("Teleporting VM from %RTnaddr"), &Addr), 8);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync LogRel(("Teleporter: Incoming VM!\n"));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync hrc = pState->mptrProgress->SetNextOperation(Bstr(tr("Teleporting VM")), 8);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync AssertMsg(SUCCEEDED(hrc) || hrc == E_FAIL, ("%Rhrc\n", hrc));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync /*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Stop the server and cancel the timeout timer.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Note! After this point we must return VERR_TCP_SERVER_STOP, while prior
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * to it we must not return that value!
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
RTTcpServerShutdown(pState->mhServer);
RTTimerLRDestroy(*pState->mphTimerLR);
*pState->mphTimerLR = NIL_RTTIMERLR;
/*
* Command processing loop.
*/
bool fDone = false;
for (;;)
{
char szCmd[128];
vrc = teleporterTcpReadLine(pState, szCmd, sizeof(szCmd));
if (RT_FAILURE(vrc))
break;
if (!strcmp(szCmd, "load"))
{
vrc = teleporterTcpWriteACK(pState);
if (RT_FAILURE(vrc))
break;
int vrc2 = VMR3AtErrorRegister(pState->mpVM, Console::genericVMSetErrorCallback, &pState->mErrorText); AssertRC(vrc2);
RTSocketRetain(pState->mhSocket); /* For concurrent access by I/O thread and EMT. */
pState->moffStream = 0;
void *pvUser2 = static_cast<void *>(static_cast<TeleporterState *>(pState));
vrc = VMR3LoadFromStream(pState->mpVM, &g_teleporterTcpOps, pvUser2,
teleporterProgressCallback, pvUser2);
RTSocketRelease(pState->mhSocket);
vrc2 = VMR3AtErrorDeregister(pState->mpVM, Console::genericVMSetErrorCallback, &pState->mErrorText); AssertRC(vrc2);
if (RT_FAILURE(vrc))
{
LogRel(("Teleporter: VMR3LoadFromStream -> %Rrc\n", vrc));
teleporterTcpWriteNACK(pState, vrc, pState->mErrorText.c_str());
break;
}
/* The EOS might not have been read, make sure it is. */
pState->mfStopReading = false;
size_t cbRead;
vrc = teleporterTcpOpRead(pvUser2, pState->moffStream, szCmd, 1, &cbRead);
if (vrc != VERR_EOF)
{
LogRel(("Teleporter: Draining teleporterTcpOpRead -> %Rrc\n", vrc));
teleporterTcpWriteNACK(pState, vrc);
break;
}
vrc = teleporterTcpWriteACK(pState);
}
else if (!strcmp(szCmd, "cancel"))
{
/* Don't ACK this. */
LogRel(("Teleporter: Received cancel command.\n"));
vrc = VERR_SSM_CANCELLED;
}
else if (!strcmp(szCmd, "lock-media"))
{
hrc = pState->mpControl->LockMedia();
if (SUCCEEDED(hrc))
{
pState->mfLockedMedia = true;
vrc = teleporterTcpWriteACK(pState);
}
else
{
vrc = VERR_FILE_LOCK_FAILED;
teleporterTcpWriteNACK(pState, vrc);
}
}
else if ( !strcmp(szCmd, "hand-over-resume")
|| !strcmp(szCmd, "hand-over-paused"))
{
/*
* Point of no return.
*
* Note! Since we cannot tell whether a VMR3Resume failure is
* destructive for the source or not, we have little choice
* but to ACK it first and take any failures locally.
*
* Ideally, we should try resume it first and then ACK (or
* NACK) the request since this would reduce latency and
* make it possible to recover from some VMR3Resume failures.
*/
if ( pState->mptrProgress->notifyPointOfNoReturn()
&& pState->mfLockedMedia)
{
vrc = teleporterTcpWriteACK(pState);
if (RT_SUCCESS(vrc))
{
if (!strcmp(szCmd, "hand-over-resume"))
vrc = VMR3Resume(pState->mpVM);
else
pState->mptrConsole->setMachineState(MachineState_Paused);
fDone = true;
break;
}
}
else
{
vrc = pState->mfLockedMedia ? VERR_WRONG_ORDER : VERR_SSM_CANCELLED;
teleporterTcpWriteNACK(pState, vrc);
}
}
else
{
LogRel(("Teleporter: Unknown command '%s' (%.*Rhxs)\n", szCmd, strlen(szCmd), szCmd));
vrc = VERR_NOT_IMPLEMENTED;
teleporterTcpWriteNACK(pState, vrc);
}
if (RT_FAILURE(vrc))
break;
}
if (RT_SUCCESS(vrc) && !fDone)
vrc = VERR_WRONG_ORDER;
if (RT_FAILURE(vrc))
teleporterTrgUnlockMedia(pState);
pState->mRc = vrc;
pState->mhSocket = NIL_RTSOCKET;
LogFlowFunc(("returns mRc=%Rrc\n", vrc));
return VERR_TCP_SERVER_STOP;
}