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/** $Id: VBoxClient.cpp $ */
/** @file
* VBoxClient - User specific services, Darwin.
*/
/*
* Copyright (C) 2007-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <VBox/log.h>
#include <VBox/VBoxGuestLib.h>
#include <iprt/stream.h>
#include <iprt/initterm.h>
#include <iprt/message.h>
#include <iprt/process.h>
#include <iprt/string.h>
#include "VBoxClientInternal.h"
/*********************************************************************************************************************************
* Glogal Variables *
*********************************************************************************************************************************/
static int g_cVerbosity = 0;
static PRTLOGGER g_pLogger = NULL;
static VBOXCLIENTSERVICE g_aServices[] =
{
g_ClipboardService
};
/**
* Create default logger in order to print output to the specified file.
*
* @return IPRT status code.
*/
static int vbclInitLogger(char *szLogFileName)
{
int rc;
uint32_t fFlags = RTLOGFLAGS_PREFIX_THREAD | RTLOGFLAGS_PREFIX_TIME_PROG;
static const char * const s_apszGroups[] = VBOX_LOGGROUP_NAMES;
uint32_t fDestFlags = RTLOGDEST_STDOUT;
rc = RTLogCreateEx(&g_pLogger,
fFlags, /* Logger instance flags, a combination of the RTLOGFLAGS_* values */
"all", /* The initial group settings */
"VBOXCLIENT_RELEASE_LOG", /* Base name for the environment variables for this instance */
RT_ELEMENTS(s_apszGroups), /* Number of groups in the array */
s_apszGroups, /* Pointer to array of groups. This must stick around for the life of the logger instance */
fDestFlags, /* The destination flags */
NULL, /* Callback function for starting logging and for ending or starting a new file for log history rotation */
szLogFileName ? 10 : 0, /* Number of old log files to keep when performing log history rotation */
szLogFileName ? 100 * _1M : 0, /* Maximum size of log file when performing history rotation */
szLogFileName ? RT_SEC_1DAY : 0, /* Maximum time interval per log file when performing history rotation */
0, /* A buffer which is filled with an error message if something fails */
0, /* The size of the error message buffer */
szLogFileName /* Log filename format string */
);
AssertReturn(RT_SUCCESS(rc), rc);
/* Register this logger as the release logger */
RTLogRelSetDefaultInstance(g_pLogger);
/* Explicitly flush the log in case of VBOXCLIENT_RELEASE_LOG=buffered. */
RTLogFlush(g_pLogger);
return rc;
}
/**
* Destroy logger.
*/
static void vbclTermLogger(char *szLogFileName)
{
// Why SIGBUS here?
RTLogDestroy(RTLogRelSetDefaultInstance(NULL));
if (szLogFileName)
RTStrFree(szLogFileName);
}
/**
* Displays a verbose message.
*
* @param iLevel Minimum log level required to display this message.
* @param pszFormat The message text.
* @param ... Format arguments.
*/
void VBoxClientVerbose(int iLevel, const char *pszFormat, ...)
{
if (iLevel > g_cVerbosity)
return;
va_list args;
va_start(args, pszFormat);
char *psz = NULL;
RTStrAPrintfV(&psz, pszFormat, args);
va_end(args);
AssertPtr(psz);
LogRel(("%s", psz));
RTStrFree(psz);
}
/**
* Wait for signals in order to safely terminate process.
*/
static void vbclWait(void)
{
sigset_t signalMask;
int iSignal;
/* Register signals that we are waiting for */
sigemptyset(&signalMask);
sigaddset(&signalMask, SIGHUP);
sigaddset(&signalMask, SIGINT);
sigaddset(&signalMask, SIGQUIT);
sigaddset(&signalMask, SIGABRT);
sigaddset(&signalMask, SIGTERM);
pthread_sigmask(SIG_BLOCK, &signalMask, NULL);
/* Ignoring return status */
sigwait(&signalMask, &iSignal);
}
/**
* Start registered services.
*
* @return IPRT status code.
*/
static int vbclStartServices(void)
{
int rc;
unsigned int iServiceId = 0;
VBoxClientVerbose(1, "Starting services...\n");
for (iServiceId = 0; iServiceId < RT_ELEMENTS(g_aServices); iServiceId++)
{
VBoxClientVerbose(1, "Starting service: %s\n", g_aServices[iServiceId].pszName);
rc = (g_aServices[iServiceId].pfnStart)();
if (RT_FAILURE(rc))
{
VBoxClientVerbose(1, "unable to start service: %s (%Rrc)\n", g_aServices[iServiceId].pszName, rc);
VBoxClientVerbose(1, "Rolling back..\n");
/* Stop running services */
do
{
VBoxClientVerbose(1, "Stopping service: %s\n", g_aServices[iServiceId].pszName);
int rcStop = (g_aServices[iServiceId].pfnStop)();
if (RT_FAILURE(rcStop))
VBoxClientVerbose(1, "unable to stop service: %s (%Rrc)\n", g_aServices[iServiceId].pszName, rcStop);
} while (--iServiceId != 0);
break;
}
}
if (RT_SUCCESS(rc))
VBoxClientVerbose(1, "Services start completed.\n");
return rc;
}
/**
* Stop registered services.
*
* @return IPRT status code.
*/
static void vbclStopServices(void)
{
unsigned int iServiceId = 0;
VBoxClientVerbose(1, "Stopping services...\n");
for (iServiceId = 0; iServiceId < RT_ELEMENTS(g_aServices); iServiceId++)
{
VBoxClientVerbose(1, "Stopping service: %s\n", g_aServices[iServiceId].pszName);
int rc = (g_aServices[iServiceId].pfnStop)();
if (RT_FAILURE(rc))
VBoxClientVerbose(1, "unable to stop service: %s (%Rrc)\n", g_aServices[iServiceId].pszName, rc);
}
VBoxClientVerbose(1, "Services stop completed\n");
}
static void usage(char *sProgName)
{
RTPrintf("usage: %s [-fvl]\n", sProgName);
RTPrintf(" -f\tRun in foreground (default: no)\n", sProgName);
RTPrintf(" -v\tIncrease verbosity level (default: no verbosity)\n", sProgName);
RTPrintf(" -l\tSpecify log file name (default: no log file)\n", sProgName);
exit(1);
}
int main(int argc, char *argv[])
{
int rc;
int c;
bool fDemonize = true;
static char *szLogFileName = NULL;
/* Parse command line */
while((c = getopt(argc, argv, "fvl:")) != -1)
{
switch(c)
{
case 'f':
fDemonize = false;
break;
case 'v':
g_cVerbosity++;
break;
case 'l':
szLogFileName = RTStrDup(optarg);
break;
default : usage(argv[0]);
}
}
/* No more arguments allowed */
if ((argc - optind) != 0)
usage(argv[0]);
if (fDemonize)
{
rc = RTProcDaemonizeUsingFork(true /* fNoChDir */, false /* fNoClose */, NULL);
if (RT_FAILURE(rc))
{
RTPrintf("failed to run into background\n");
return 1;
}
}
rc = RTR3InitExe(argc, &argv, 0);
if (RT_FAILURE(rc))
{
RTPrintf("RTR3InitExe() failed: (%Rrc)\n", rc);
return RTMsgInitFailure(rc);
}
rc = VbglR3Init();
if (RT_SUCCESS(rc))
{
rc = vbclInitLogger(szLogFileName);
if (RT_SUCCESS(rc))
{
rc = vbclStartServices();
if (RT_SUCCESS(rc))
{
vbclWait();
vbclStopServices();
}
else
{
RTPrintf("failed to start services: (%Rrc)\n", rc);
}
vbclTermLogger(szLogFileName);
}
else
{
RTPrintf("failed to start logger: (%Rrc)\n", rc);
}
VbglR3Term();
}
else
{
RTPrintf("failed to initialize guest library: (%Rrc)\n", rc);
}
return 0;
}
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