| 1 | /* $Id: com.cpp 44563 2013-02-06 13:15:10Z vboxsync $ */
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| 2 | /** @file
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| 3 | * MS COM / XPCOM Abstraction Layer
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2005-2013 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #if !defined (VBOX_WITH_XPCOM)
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| 19 |
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| 20 | # include <objbase.h>
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| 21 |
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| 22 | #else /* !defined (VBOX_WITH_XPCOM) */
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| 23 | # include <stdlib.h>
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| 24 | # include <nsCOMPtr.h>
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| 25 | # include <nsIServiceManagerUtils.h>
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| 26 | # include <nsIComponentManager.h>
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| 27 | # include <ipcIService.h>
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| 28 | # include <ipcCID.h>
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| 29 | # include <ipcIDConnectService.h>
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| 30 | # include <nsIInterfaceInfo.h>
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| 31 | # include <nsIInterfaceInfoManager.h>
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| 32 | // official XPCOM headers don't define it yet
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| 33 | #define IPC_DCONNECTSERVICE_CONTRACTID \
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| 34 | "@mozilla.org/ipc/dconnect-service;1"
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| 35 | #endif /* !defined (VBOX_WITH_XPCOM) */
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| 36 |
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| 37 | #include "VBox/com/com.h"
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| 38 | #include "VBox/com/assert.h"
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| 39 |
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| 40 | #include "VBox/com/Guid.h"
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| 41 | #include "VBox/com/array.h"
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| 42 |
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| 43 | #include <package-generated.h>
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| 44 |
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| 45 | #include <iprt/buildconfig.h>
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| 46 | #include <iprt/param.h>
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| 47 | #include <iprt/path.h>
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| 48 | #include <iprt/dir.h>
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| 49 | #include <iprt/env.h>
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| 50 | #include <iprt/string.h>
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| 51 | #include <iprt/system.h>
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| 52 | #include <iprt/process.h>
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| 53 |
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| 54 | #include <VBox/err.h>
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| 55 | #include <VBox/version.h>
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| 56 |
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| 57 | #if !defined(RT_OS_DARWIN) && !defined(RT_OS_WINDOWS)
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| 58 | char szXdgConfigHome[RTPATH_MAX] = "";
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| 59 | #endif
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| 60 |
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| 61 | /**
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| 62 | * Possible locations for the VirtualBox user configuration folder,
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| 63 | * listed from oldest (as in legacy) to newest. These can be either
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| 64 | * absolute or relative to the home directory. We use the first entry
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| 65 | * of the list which corresponds to a real folder on storage, or
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| 66 | * create a folder corresponding to the last in the list (the least
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| 67 | * legacy) if none do.
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| 68 | */
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| 69 | const char *const apcszUserHome[] =
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| 70 | #ifdef RT_OS_DARWIN
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| 71 | { "Library/VirtualBox" };
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| 72 | #elif defined RT_OS_WINDOWS
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| 73 | { ".VirtualBox" };
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| 74 | #else
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| 75 | { ".VirtualBox", szXdgConfigHome };
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| 76 | #endif
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| 77 |
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| 78 | #include "Logging.h"
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| 79 |
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| 80 | namespace com
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| 81 | {
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| 82 |
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| 83 | void GetInterfaceNameByIID(const GUID &aIID, BSTR *aName)
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| 84 | {
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| 85 | Assert(aName);
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| 86 | if (!aName)
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| 87 | return;
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| 88 |
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| 89 | *aName = NULL;
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| 90 |
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| 91 | #if !defined(VBOX_WITH_XPCOM)
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| 92 |
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| 93 | LONG rc;
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| 94 | LPOLESTR iidStr = NULL;
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| 95 | if (StringFromIID(aIID, &iidStr) == S_OK)
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| 96 | {
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| 97 | HKEY ifaceKey;
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| 98 | rc = RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Interface",
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| 99 | 0, KEY_QUERY_VALUE, &ifaceKey);
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| 100 | if (rc == ERROR_SUCCESS)
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| 101 | {
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| 102 | HKEY iidKey;
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| 103 | rc = RegOpenKeyExW(ifaceKey, iidStr, 0, KEY_QUERY_VALUE, &iidKey);
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| 104 | if (rc == ERROR_SUCCESS)
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| 105 | {
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| 106 | /* determine the size and type */
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| 107 | DWORD sz, type;
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| 108 | rc = RegQueryValueExW(iidKey, NULL, NULL, &type, NULL, &sz);
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| 109 | if (rc == ERROR_SUCCESS && type == REG_SZ)
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| 110 | {
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| 111 | /* query the value to BSTR */
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| 112 | *aName = SysAllocStringLen(NULL, (sz + 1) / sizeof(TCHAR) + 1);
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| 113 | rc = RegQueryValueExW(iidKey, NULL, NULL, NULL, (LPBYTE) *aName, &sz);
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| 114 | if (rc != ERROR_SUCCESS)
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| 115 | {
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| 116 | SysFreeString(*aName);
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| 117 | aName = NULL;
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| 118 | }
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| 119 | }
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| 120 | RegCloseKey(iidKey);
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| 121 | }
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| 122 | RegCloseKey(ifaceKey);
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| 123 | }
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| 124 | CoTaskMemFree(iidStr);
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| 125 | }
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| 126 |
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| 127 | #else /* !defined (VBOX_WITH_XPCOM) */
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| 128 |
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| 129 | nsresult rv;
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| 130 | nsCOMPtr<nsIInterfaceInfoManager> iim =
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| 131 | do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID, &rv);
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| 132 | if (NS_SUCCEEDED(rv))
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| 133 | {
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| 134 | nsCOMPtr<nsIInterfaceInfo> iinfo;
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| 135 | rv = iim->GetInfoForIID(&aIID, getter_AddRefs(iinfo));
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| 136 | if (NS_SUCCEEDED(rv))
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| 137 | {
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| 138 | const char *iname = NULL;
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| 139 | iinfo->GetNameShared(&iname);
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| 140 | char *utf8IName = NULL;
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| 141 | if (RT_SUCCESS(RTStrCurrentCPToUtf8(&utf8IName, iname)))
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| 142 | {
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| 143 | PRTUTF16 utf16IName = NULL;
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| 144 | if (RT_SUCCESS(RTStrToUtf16(utf8IName, &utf16IName)))
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| 145 | {
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| 146 | *aName = SysAllocString((OLECHAR *) utf16IName);
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| 147 | RTUtf16Free(utf16IName);
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| 148 | }
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| 149 | RTStrFree(utf8IName);
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| 150 | }
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| 151 | }
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| 152 | }
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| 153 |
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| 154 | #endif /* !defined (VBOX_WITH_XPCOM) */
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| 155 | }
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| 156 |
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| 157 | #ifdef VBOX_WITH_XPCOM
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| 158 |
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| 159 | HRESULT GlueCreateObjectOnServer(const CLSID &clsid,
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| 160 | const char *serverName,
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| 161 | const nsIID &id,
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| 162 | void** ppobj)
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| 163 | {
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| 164 | HRESULT rc;
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| 165 | nsCOMPtr<ipcIService> ipcServ = do_GetService(IPC_SERVICE_CONTRACTID, &rc);
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| 166 | if (SUCCEEDED(rc))
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| 167 | {
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| 168 | PRUint32 serverID = 0;
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| 169 | rc = ipcServ->ResolveClientName(serverName, &serverID);
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| 170 | if (SUCCEEDED (rc))
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| 171 | {
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| 172 | nsCOMPtr<ipcIDConnectService> dconServ = do_GetService(IPC_DCONNECTSERVICE_CONTRACTID, &rc);
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| 173 | if (SUCCEEDED(rc))
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| 174 | rc = dconServ->CreateInstance(serverID,
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| 175 | clsid,
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| 176 | id,
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| 177 | ppobj);
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| 178 | }
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| 179 | }
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| 180 | return rc;
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| 181 | }
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| 182 |
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| 183 | HRESULT GlueCreateInstance(const CLSID &clsid,
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| 184 | const nsIID &id,
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| 185 | void** ppobj)
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| 186 | {
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| 187 | nsCOMPtr<nsIComponentManager> manager;
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| 188 | HRESULT rc = NS_GetComponentManager(getter_AddRefs(manager));
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| 189 | if (SUCCEEDED(rc))
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| 190 | rc = manager->CreateInstance(clsid,
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| 191 | nsnull,
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| 192 | id,
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| 193 | ppobj);
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| 194 | return rc;
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| 195 | }
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| 196 |
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| 197 | #endif // VBOX_WITH_XPCOM
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| 198 |
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| 199 | static int composeHomePath(char *aDir, size_t aDirLen,
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| 200 | const char *pcszBase)
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| 201 | {
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| 202 | int vrc;
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| 203 | if (RTPathStartsWithRoot(pcszBase))
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| 204 | vrc = RTStrCopy(aDir, aDirLen, pcszBase);
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| 205 | else
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| 206 | {
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| 207 | /* compose the config directory (full path) */
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| 208 | /** @todo r=bird: RTPathUserHome doesn't necessarily return a
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| 209 | * full (abs) path like the comment above seems to indicate. */
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| 210 | vrc = RTPathUserHome(aDir, aDirLen);
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| 211 | if (RT_SUCCESS(vrc))
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| 212 | vrc = RTPathAppend(aDir, aDirLen, pcszBase);
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| 213 | }
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| 214 | return vrc;
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| 215 | }
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| 216 |
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| 217 | int GetVBoxUserHomeDirectory(char *aDir, size_t aDirLen, bool fCreateDir)
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| 218 | {
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| 219 | AssertReturn(aDir, VERR_INVALID_POINTER);
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| 220 | AssertReturn(aDirLen > 0, VERR_BUFFER_OVERFLOW);
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| 221 |
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| 222 | /* start with null */
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| 223 | *aDir = 0;
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| 224 |
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| 225 | char szTmp[RTPATH_MAX];
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| 226 | int vrc = RTEnvGetEx(RTENV_DEFAULT, "VBOX_USER_HOME", szTmp, sizeof(szTmp), NULL);
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| 227 | if (RT_SUCCESS(vrc) || vrc == VERR_ENV_VAR_NOT_FOUND)
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| 228 | {
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| 229 | bool fFound = false;
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| 230 | if (RT_SUCCESS(vrc))
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| 231 | {
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| 232 | /* get the full path name */
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| 233 | vrc = RTPathAbs(szTmp, aDir, aDirLen);
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| 234 | }
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| 235 | else
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| 236 | {
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| 237 | #if !defined(RT_OS_WINDOWS) && !defined(RT_OS_DARWIN)
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| 238 | const char *pcszConfigHome = RTEnvGet("XDG_CONFIG_HOME");
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| 239 | if (pcszConfigHome && pcszConfigHome[0])
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| 240 | {
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| 241 | vrc = RTStrCopy(szXdgConfigHome,
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| 242 | sizeof(szXdgConfigHome),
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| 243 | pcszConfigHome);
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| 244 | if (RT_SUCCESS(vrc))
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| 245 | vrc = RTPathAppend(szXdgConfigHome,
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| 246 | sizeof(szXdgConfigHome),
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| 247 | "VirtualBox");
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| 248 | }
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| 249 | else
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| 250 | vrc = RTStrCopy(szXdgConfigHome,
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| 251 | sizeof(szXdgConfigHome),
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| 252 | ".config/VirtualBox");
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| 253 | #endif
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| 254 | for (unsigned i = 0; i < RT_ELEMENTS(apcszUserHome); ++i)
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| 255 | {
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| 256 | vrc = composeHomePath(aDir, aDirLen, apcszUserHome[i]);
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| 257 | if (RTDirExists(aDir))
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| 258 | {
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| 259 | fFound = true;
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| 260 | break;
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| 261 | }
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| 262 | }
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| 263 | }
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| 264 |
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| 265 | /* ensure the home directory exists */
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| 266 | if (RT_SUCCESS(vrc))
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| 267 | if (!fFound && fCreateDir)
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| 268 | vrc = RTDirCreateFullPath(aDir, 0700);
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| 269 | }
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| 270 |
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| 271 | return vrc;
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| 272 | }
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| 273 |
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| 274 | static const char *g_pszLogEntity = NULL;
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| 275 |
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| 276 | static void vboxHeaderFooter(PRTLOGGER pReleaseLogger, RTLOGPHASE enmPhase, PFNRTLOGPHASEMSG pfnLog)
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| 277 | {
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| 278 | /* some introductory information */
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| 279 | static RTTIMESPEC s_TimeSpec;
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| 280 | char szTmp[256];
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| 281 | if (enmPhase == RTLOGPHASE_BEGIN)
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| 282 | RTTimeNow(&s_TimeSpec);
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| 283 | RTTimeSpecToString(&s_TimeSpec, szTmp, sizeof(szTmp));
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| 284 |
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| 285 | switch (enmPhase)
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| 286 | {
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| 287 | case RTLOGPHASE_BEGIN:
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| 288 | {
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| 289 | bool fOldBuffered = RTLogSetBuffering(pReleaseLogger, true /*fBuffered*/);
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| 290 | pfnLog(pReleaseLogger,
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| 291 | "VirtualBox %s %s r%u %s (%s %s) release log\n"
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| 292 | #ifdef VBOX_BLEEDING_EDGE
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| 293 | "EXPERIMENTAL build " VBOX_BLEEDING_EDGE "\n"
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| 294 | #endif
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| 295 | "Log opened %s\n",
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| 296 | g_pszLogEntity, VBOX_VERSION_STRING, RTBldCfgRevision(),
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| 297 | RTBldCfgTargetDotArch(), __DATE__, __TIME__, szTmp);
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| 298 |
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| 299 | int vrc = RTSystemQueryOSInfo(RTSYSOSINFO_PRODUCT, szTmp, sizeof(szTmp));
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| 300 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 301 | pfnLog(pReleaseLogger, "OS Product: %s\n", szTmp);
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| 302 | vrc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szTmp, sizeof(szTmp));
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| 303 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 304 | pfnLog(pReleaseLogger, "OS Release: %s\n", szTmp);
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| 305 | vrc = RTSystemQueryOSInfo(RTSYSOSINFO_VERSION, szTmp, sizeof(szTmp));
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| 306 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 307 | pfnLog(pReleaseLogger, "OS Version: %s\n", szTmp);
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| 308 | vrc = RTSystemQueryOSInfo(RTSYSOSINFO_SERVICE_PACK, szTmp, sizeof(szTmp));
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| 309 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 310 | pfnLog(pReleaseLogger, "OS Service Pack: %s\n", szTmp);
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| 311 |
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| 312 | vrc = RTSystemQueryDmiString(RTSYSDMISTR_PRODUCT_NAME, szTmp, sizeof(szTmp));
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| 313 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 314 | pfnLog(pReleaseLogger, "DMI Product Name: %s\n", szTmp);
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| 315 | vrc = RTSystemQueryDmiString(RTSYSDMISTR_PRODUCT_VERSION, szTmp, sizeof(szTmp));
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| 316 | if (RT_SUCCESS(vrc) || vrc == VERR_BUFFER_OVERFLOW)
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| 317 | pfnLog(pReleaseLogger, "DMI Product Version: %s\n", szTmp);
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| 318 |
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| 319 | uint64_t cbHostRam = 0, cbHostRamAvail = 0;
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| 320 | vrc = RTSystemQueryTotalRam(&cbHostRam);
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| 321 | if (RT_SUCCESS(vrc))
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| 322 | vrc = RTSystemQueryAvailableRam(&cbHostRamAvail);
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| 323 | if (RT_SUCCESS(vrc))
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| 324 | pfnLog(pReleaseLogger, "Host RAM: %lluMB total, %lluMB available\n",
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| 325 | cbHostRam / _1M, cbHostRamAvail / _1M);
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| 326 |
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| 327 | /* the package type is interesting for Linux distributions */
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| 328 | char szExecName[RTPATH_MAX];
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| 329 | char *pszExecName = RTProcGetExecutablePath(szExecName, sizeof(szExecName));
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| 330 | pfnLog(pReleaseLogger,
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| 331 | "Executable: %s\n"
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| 332 | "Process ID: %u\n"
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| 333 | "Package type: %s"
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| 334 | #ifdef VBOX_OSE
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| 335 | " (OSE)"
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| 336 | #endif
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| 337 | "\n",
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| 338 | pszExecName ? pszExecName : "unknown",
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| 339 | RTProcSelf(),
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| 340 | VBOX_PACKAGE_STRING);
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| 341 | RTLogSetBuffering(pReleaseLogger, fOldBuffered);
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| 342 | break;
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| 343 | }
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| 344 | case RTLOGPHASE_PREROTATE:
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| 345 | pfnLog(pReleaseLogger, "Log rotated - Log started %s\n", szTmp);
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| 346 | break;
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| 347 |
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| 348 | case RTLOGPHASE_POSTROTATE:
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| 349 | pfnLog(pReleaseLogger, "Log continuation - Log started %s\n", szTmp);
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| 350 | break;
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| 351 |
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| 352 | case RTLOGPHASE_END:
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| 353 | pfnLog(pReleaseLogger, "End of log file - Log started %s\n", szTmp);
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| 354 | break;
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| 355 |
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| 356 | default:
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| 357 | /* nothing */;
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| 358 | }
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| 359 | }
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| 360 |
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| 361 | int VBoxLogRelCreate(const char *pcszEntity, const char *pcszLogFile,
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| 362 | uint32_t fFlags, const char *pcszGroupSettings,
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| 363 | const char *pcszEnvVarBase, uint32_t fDestFlags,
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| 364 | uint32_t cMaxEntriesPerGroup, uint32_t cHistory,
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| 365 | uint32_t uHistoryFileTime, uint64_t uHistoryFileSize,
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| 366 | char *pszError, size_t cbError)
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| 367 | {
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| 368 | Assert(cbError >= RTPATH_MAX + 128);
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| 369 |
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| 370 | /* create release logger */
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| 371 | PRTLOGGER pReleaseLogger;
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| 372 | static const char * const s_apszGroups[] = VBOX_LOGGROUP_NAMES;
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| 373 | #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
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| 374 | fFlags |= RTLOGFLAGS_USECRLF;
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| 375 | #endif
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| 376 | g_pszLogEntity = pcszEntity;
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| 377 | int vrc = RTLogCreateEx(&pReleaseLogger, fFlags, pcszGroupSettings,
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| 378 | pcszEnvVarBase, RT_ELEMENTS(s_apszGroups), s_apszGroups, fDestFlags,
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| 379 | vboxHeaderFooter, cHistory, uHistoryFileSize, uHistoryFileTime,
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| 380 | pszError, cbError, pcszLogFile);
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| 381 | if (RT_SUCCESS(vrc))
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| 382 | {
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| 383 | /* make sure that we don't flood logfiles */
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| 384 | RTLogSetGroupLimit(pReleaseLogger, cMaxEntriesPerGroup);
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| 385 |
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| 386 | /* explicitly flush the log, to have some info when buffering */
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| 387 | RTLogFlush(pReleaseLogger);
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| 388 |
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| 389 | /* register this logger as the release logger */
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| 390 | RTLogRelSetDefaultInstance(pReleaseLogger);
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| 391 | }
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| 392 | return vrc;
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| 393 | }
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| 394 |
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| 395 |
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| 396 | /* static */
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| 397 | const Guid Guid::Empty; /* default ctor is OK */
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| 398 |
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| 399 | #if defined (VBOX_WITH_XPCOM)
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| 400 |
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| 401 | /* static */
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| 402 | const nsID *SafeGUIDArray::nsIDRef::Empty = (const nsID *)Guid::Empty.raw();
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| 403 |
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| 404 | #endif /* (VBOX_WITH_XPCOM) */
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| 405 |
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|---|
| 406 | /**
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|---|
| 407 | * Used by ComPtr and friends to log details about reference counting.
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| 408 | * @param pcszFormat
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|---|
| 409 | */
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|---|
| 410 | void LogRef(const char *pcszFormat, ...)
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| 411 | {
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|---|
| 412 | char *pszNewMsg;
|
|---|
| 413 | va_list args;
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|---|
| 414 | va_start(args, pcszFormat);
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|---|
| 415 | RTStrAPrintfV(&pszNewMsg, pcszFormat, args);
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|---|
| 416 | LogDJ((pszNewMsg));
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|---|
| 417 | RTStrFree(pszNewMsg);
|
|---|
| 418 | va_end(args);
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|---|
| 419 | }
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|---|
| 420 |
|
|---|
| 421 | } /* namespace com */
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