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reactos/dll/shellext/shellbtrfs/balance.cpp
Pierre Schweitzer aed50d7e21
[SHELLBTRFS] Upgrade to 1.5 
CORE-16494
2019-11-12 21:45:49 +01:00

1216 lines
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/* Copyright (c) Mark Harmstone 2016-17
*
* This file is part of WinBtrfs.
*
* WinBtrfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public Licence as published by
* the Free Software Foundation, either version 3 of the Licence, or
* (at your option) any later version.
*
* WinBtrfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public Licence for more details.
*
* You should have received a copy of the GNU Lesser General Public Licence
* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
#include "shellext.h"
#include "balance.h"
#include "resource.h"
#ifndef __REACTOS__
#include "../btrfsioctl.h"
#else
#include "btrfsioctl.h"
#endif
#include <shlobj.h>
#include <uxtheme.h>
#include <stdio.h>
#ifndef __REACTOS__
#include <strsafe.h>
#include <winternl.h>
#else
#define WIN32_NO_STATUS
#include <windef.h>
#include <winbase.h>
#include <strsafe.h>
#include <ndk/iofuncs.h>
#include <ndk/iotypes.h>
#endif
#define NO_SHLWAPI_STRFCNS
#include <shlwapi.h>
#include <uxtheme.h>
static uint64_t convtypes2[] = { BLOCK_FLAG_SINGLE, BLOCK_FLAG_DUPLICATE, BLOCK_FLAG_RAID0, BLOCK_FLAG_RAID1, BLOCK_FLAG_RAID5, BLOCK_FLAG_RAID6, BLOCK_FLAG_RAID10 };
static WCHAR hex_digit(uint8_t u) {
if (u >= 0xa && u <= 0xf)
return (uint8_t)(u - 0xa + 'a');
else
return (uint8_t)(u + '0');
}
static void serialize(void* data, ULONG len, WCHAR* s) {
uint8_t* d;
d = (uint8_t*)data;
while (true) {
*s = hex_digit((uint8_t)(*d >> 4)); s++;
*s = hex_digit(*d & 0xf); s++;
d++;
len--;
if (len == 0) {
*s = 0;
return;
}
}
}
void BtrfsBalance::StartBalance(HWND hwndDlg) {
wstring t;
WCHAR modfn[MAX_PATH], u[600];
SHELLEXECUTEINFOW sei;
btrfs_start_balance bsb;
GetModuleFileNameW(module, modfn, sizeof(modfn) / sizeof(WCHAR));
#ifndef __REACTOS__
t = L"\""s + modfn + L"\",StartBalance "s + fn + L" "s;
#else
t = wstring(L"\"") + modfn + wstring(L"\",StartBalance ") + fn + wstring(L" ");
#endif
RtlCopyMemory(&bsb.opts[0], &data_opts, sizeof(btrfs_balance_opts));
RtlCopyMemory(&bsb.opts[1], &metadata_opts, sizeof(btrfs_balance_opts));
RtlCopyMemory(&bsb.opts[2], &system_opts, sizeof(btrfs_balance_opts));
if (IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED)
bsb.opts[0].flags |= BTRFS_BALANCE_OPTS_ENABLED;
else
bsb.opts[0].flags &= ~BTRFS_BALANCE_OPTS_ENABLED;
if (IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED)
bsb.opts[1].flags |= BTRFS_BALANCE_OPTS_ENABLED;
else
bsb.opts[1].flags &= ~BTRFS_BALANCE_OPTS_ENABLED;
if (IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED)
bsb.opts[2].flags |= BTRFS_BALANCE_OPTS_ENABLED;
else
bsb.opts[2].flags &= ~BTRFS_BALANCE_OPTS_ENABLED;
serialize(&bsb, sizeof(btrfs_start_balance), u);
t += u;
RtlZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.hwnd = hwndDlg;
sei.lpVerb = L"runas";
sei.lpFile = L"rundll32.exe";
sei.lpParameters = t.c_str();
sei.nShow = SW_SHOW;
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
if (!ShellExecuteExW(&sei))
throw last_error(GetLastError());
cancelling = false;
removing = false;
shrinking = false;
balance_status = BTRFS_BALANCE_RUNNING;
EnableWindow(GetDlgItem(hwndDlg, IDC_PAUSE_BALANCE), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_CANCEL_BALANCE), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA_OPTIONS), data_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA_OPTIONS), metadata_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM_OPTIONS), system_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), false);
WaitForSingleObject(sei.hProcess, INFINITE);
CloseHandle(sei.hProcess);
}
void BtrfsBalance::PauseBalance(HWND hwndDlg) {
WCHAR modfn[MAX_PATH];
wstring t;
SHELLEXECUTEINFOW sei;
GetModuleFileNameW(module, modfn, sizeof(modfn) / sizeof(WCHAR));
#ifndef __REACTOS__
t = L"\""s + modfn + L"\",PauseBalance " + fn;
#else
t = wstring(L"\"") + modfn + wstring(L"\",PauseBalance ") + fn;
#endif
RtlZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.hwnd = hwndDlg;
sei.lpVerb = L"runas";
sei.lpFile = L"rundll32.exe";
sei.lpParameters = t.c_str();
sei.nShow = SW_SHOW;
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
if (!ShellExecuteExW(&sei))
throw last_error(GetLastError());
WaitForSingleObject(sei.hProcess, INFINITE);
CloseHandle(sei.hProcess);
}
void BtrfsBalance::StopBalance(HWND hwndDlg) {
WCHAR modfn[MAX_PATH];
wstring t;
SHELLEXECUTEINFOW sei;
GetModuleFileNameW(module, modfn, sizeof(modfn) / sizeof(WCHAR));
#ifndef __REACTOS__
t = L"\""s + modfn + L"\",StopBalance " + fn;
#else
t = wstring(L"\"") + modfn + wstring(L"\",StopBalance ") + fn;
#endif
RtlZeroMemory(&sei, sizeof(sei));
sei.cbSize = sizeof(sei);
sei.hwnd = hwndDlg;
sei.lpVerb = L"runas";
sei.lpFile = L"rundll32.exe";
sei.lpParameters = t.c_str();
sei.nShow = SW_SHOW;
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
if (!ShellExecuteExW(&sei))
throw last_error(GetLastError());
cancelling = true;
WaitForSingleObject(sei.hProcess, INFINITE);
CloseHandle(sei.hProcess);
}
void BtrfsBalance::RefreshBalanceDlg(HWND hwndDlg, bool first) {
bool balancing = false;
wstring s, t;
{
win_handle h = CreateFileW(fn.c_str(), FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_QUERY_BALANCE, nullptr, 0, &bqb, sizeof(btrfs_query_balance));
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
} else
throw last_error(GetLastError());
}
if (cancelling)
bqb.status = BTRFS_BALANCE_STOPPED;
balancing = bqb.status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED);
if (!balancing) {
if (first || balance_status != BTRFS_BALANCE_STOPPED) {
int resid;
EnableWindow(GetDlgItem(hwndDlg, IDC_PAUSE_BALANCE), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_CANCEL_BALANCE), false);
SendMessageW(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETSTATE, PBST_NORMAL, 0);
EnableWindow(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM), true);
if (balance_status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED)) {
CheckDlgButton(hwndDlg, IDC_DATA, BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_METADATA, BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_SYSTEM, BST_UNCHECKED);
SendMessage(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETPOS, 0, 0);
}
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED ? true : false);
if (bqb.status & BTRFS_BALANCE_ERROR) {
if (removing)
resid = IDS_BALANCE_FAILED_REMOVAL;
else if (shrinking)
resid = IDS_BALANCE_FAILED_SHRINK;
else
resid = IDS_BALANCE_FAILED;
if (!load_string(module, resid, s))
throw last_error(GetLastError());
wstring_sprintf(t, s, bqb.error, format_ntstatus(bqb.error).c_str());
SetDlgItemTextW(hwndDlg, IDC_BALANCE_STATUS, t.c_str());
} else {
if (cancelling)
resid = removing ? IDS_BALANCE_CANCELLED_REMOVAL : (shrinking ? IDS_BALANCE_CANCELLED_SHRINK : IDS_BALANCE_CANCELLED);
else if (balance_status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED))
resid = removing ? IDS_BALANCE_COMPLETE_REMOVAL : (shrinking ? IDS_BALANCE_COMPLETE_SHRINK : IDS_BALANCE_COMPLETE);
else
resid = IDS_NO_BALANCE;
if (!load_string(module, resid, s))
throw last_error(GetLastError());
SetDlgItemTextW(hwndDlg, IDC_BALANCE_STATUS, s.c_str());
}
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), !readonly && (IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ||
IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED || IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED) ? true: false);
balance_status = bqb.status;
cancelling = false;
}
return;
}
if (first || !(balance_status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED))) {
EnableWindow(GetDlgItem(hwndDlg, IDC_PAUSE_BALANCE), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_CANCEL_BALANCE), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), true);
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM), false);
CheckDlgButton(hwndDlg, IDC_DATA, bqb.data_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_METADATA, bqb.metadata_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_SYSTEM, bqb.system_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? BST_CHECKED : BST_UNCHECKED);
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA_OPTIONS), bqb.data_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA_OPTIONS), bqb.metadata_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM_OPTIONS), bqb.system_opts.flags & BTRFS_BALANCE_OPTS_ENABLED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), false);
}
SendMessageW(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETRANGE32, 0, (LPARAM)bqb.total_chunks);
SendMessageW(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETPOS, (WPARAM)(bqb.total_chunks - bqb.chunks_left), 0);
if (bqb.status & BTRFS_BALANCE_PAUSED && balance_status != bqb.status)
SendMessageW(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETSTATE, PBST_PAUSED, 0);
else if (!(bqb.status & BTRFS_BALANCE_PAUSED) && balance_status & BTRFS_BALANCE_PAUSED)
SendMessageW(GetDlgItem(hwndDlg, IDC_BALANCE_PROGRESS), PBM_SETSTATE, PBST_NORMAL, 0);
balance_status = bqb.status;
if (bqb.status & BTRFS_BALANCE_REMOVAL) {
if (!load_string(module, balance_status & BTRFS_BALANCE_PAUSED ? IDS_BALANCE_PAUSED_REMOVAL : IDS_BALANCE_RUNNING_REMOVAL, s))
throw last_error(GetLastError());
wstring_sprintf(t, s, bqb.data_opts.devid, bqb.total_chunks - bqb.chunks_left, bqb.total_chunks,
(float)(bqb.total_chunks - bqb.chunks_left) * 100.0f / (float)bqb.total_chunks);
removing = true;
shrinking = false;
} else if (bqb.status & BTRFS_BALANCE_SHRINKING) {
if (!load_string(module, balance_status & BTRFS_BALANCE_PAUSED ? IDS_BALANCE_PAUSED_SHRINK : IDS_BALANCE_RUNNING_SHRINK, s))
throw last_error(GetLastError());
wstring_sprintf(t, s, bqb.data_opts.devid, bqb.total_chunks - bqb.chunks_left, bqb.total_chunks,
(float)(bqb.total_chunks - bqb.chunks_left) * 100.0f / (float)bqb.total_chunks);
removing = false;
shrinking = true;
} else {
if (!load_string(module, balance_status & BTRFS_BALANCE_PAUSED ? IDS_BALANCE_PAUSED : IDS_BALANCE_RUNNING, s))
throw last_error(GetLastError());
wstring_sprintf(t, s, bqb.total_chunks - bqb.chunks_left, bqb.total_chunks,
(float)(bqb.total_chunks - bqb.chunks_left) * 100.0f / (float)bqb.total_chunks);
removing = false;
shrinking = false;
}
SetDlgItemTextW(hwndDlg, IDC_BALANCE_STATUS, t.c_str());
}
void BtrfsBalance::SaveBalanceOpts(HWND hwndDlg) {
btrfs_balance_opts* opts;
switch (opts_type) {
case 1:
opts = &data_opts;
break;
case 2:
opts = &metadata_opts;
break;
case 3:
opts = &system_opts;
break;
default:
return;
}
RtlZeroMemory(opts, sizeof(btrfs_balance_opts));
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES) == BST_CHECKED) {
opts->flags |= BTRFS_BALANCE_OPTS_PROFILES;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_SINGLE) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_SINGLE;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_DUP) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_DUPLICATE;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_RAID0) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_RAID0;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_RAID1) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_RAID1;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_RAID10) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_RAID10;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_RAID5) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_RAID5;
if (IsDlgButtonChecked(hwndDlg, IDC_PROFILES_RAID6) == BST_CHECKED) opts->profiles |= BLOCK_FLAG_RAID6;
}
if (IsDlgButtonChecked(hwndDlg, IDC_DEVID) == BST_CHECKED) {
opts->flags |= BTRFS_BALANCE_OPTS_DEVID;
auto sel = SendMessageW(GetDlgItem(hwndDlg, IDC_DEVID_COMBO), CB_GETCURSEL, 0, 0);
if (sel == CB_ERR)
opts->flags &= ~BTRFS_BALANCE_OPTS_DEVID;
else {
btrfs_device* bd = devices;
int i = 0;
while (true) {
if (i == sel) {
opts->devid = bd->dev_id;
break;
}
i++;
if (bd->next_entry > 0)
bd = (btrfs_device*)((uint8_t*)bd + bd->next_entry);
else
break;
}
if (opts->devid == 0)
opts->flags &= ~BTRFS_BALANCE_OPTS_DEVID;
}
}
if (IsDlgButtonChecked(hwndDlg, IDC_DRANGE) == BST_CHECKED) {
WCHAR s[255];
opts->flags |= BTRFS_BALANCE_OPTS_DRANGE;
GetWindowTextW(GetDlgItem(hwndDlg, IDC_DRANGE_START), s, sizeof(s) / sizeof(WCHAR));
opts->drange_start = _wtoi64(s);
GetWindowTextW(GetDlgItem(hwndDlg, IDC_DRANGE_END), s, sizeof(s) / sizeof(WCHAR));
opts->drange_end = _wtoi64(s);
if (opts->drange_end < opts->drange_start)
throw string_error(IDS_DRANGE_END_BEFORE_START);
}
if (IsDlgButtonChecked(hwndDlg, IDC_VRANGE) == BST_CHECKED) {
WCHAR s[255];
opts->flags |= BTRFS_BALANCE_OPTS_VRANGE;
GetWindowTextW(GetDlgItem(hwndDlg, IDC_VRANGE_START), s, sizeof(s) / sizeof(WCHAR));
opts->vrange_start = _wtoi64(s);
GetWindowTextW(GetDlgItem(hwndDlg, IDC_VRANGE_END), s, sizeof(s) / sizeof(WCHAR));
opts->vrange_end = _wtoi64(s);
if (opts->vrange_end < opts->vrange_start)
throw string_error(IDS_VRANGE_END_BEFORE_START);
}
if (IsDlgButtonChecked(hwndDlg, IDC_LIMIT) == BST_CHECKED) {
WCHAR s[255];
opts->flags |= BTRFS_BALANCE_OPTS_LIMIT;
GetWindowTextW(GetDlgItem(hwndDlg, IDC_LIMIT_START), s, sizeof(s) / sizeof(WCHAR));
opts->limit_start = _wtoi64(s);
GetWindowTextW(GetDlgItem(hwndDlg, IDC_LIMIT_END), s, sizeof(s) / sizeof(WCHAR));
opts->limit_end = _wtoi64(s);
if (opts->limit_end < opts->limit_start)
throw string_error(IDS_LIMIT_END_BEFORE_START);
}
if (IsDlgButtonChecked(hwndDlg, IDC_STRIPES) == BST_CHECKED) {
WCHAR s[255];
opts->flags |= BTRFS_BALANCE_OPTS_STRIPES;
GetWindowTextW(GetDlgItem(hwndDlg, IDC_STRIPES_START), s, sizeof(s) / sizeof(WCHAR));
opts->stripes_start = (uint8_t)_wtoi(s);
GetWindowTextW(GetDlgItem(hwndDlg, IDC_STRIPES_END), s, sizeof(s) / sizeof(WCHAR));
opts->stripes_end = (uint8_t)_wtoi(s);
if (opts->stripes_end < opts->stripes_start)
throw string_error(IDS_STRIPES_END_BEFORE_START);
}
if (IsDlgButtonChecked(hwndDlg, IDC_USAGE) == BST_CHECKED) {
WCHAR s[255];
opts->flags |= BTRFS_BALANCE_OPTS_USAGE;
GetWindowTextW(GetDlgItem(hwndDlg, IDC_USAGE_START), s, sizeof(s) / sizeof(WCHAR));
opts->usage_start = (uint8_t)_wtoi(s);
GetWindowTextW(GetDlgItem(hwndDlg, IDC_USAGE_END), s, sizeof(s) / sizeof(WCHAR));
opts->usage_end = (uint8_t)_wtoi(s);
if (opts->usage_end < opts->usage_start)
throw string_error(IDS_USAGE_END_BEFORE_START);
}
if (IsDlgButtonChecked(hwndDlg, IDC_CONVERT) == BST_CHECKED) {
opts->flags |= BTRFS_BALANCE_OPTS_CONVERT;
auto sel = SendMessageW(GetDlgItem(hwndDlg, IDC_CONVERT_COMBO), CB_GETCURSEL, 0, 0);
if (sel == CB_ERR || (unsigned int)sel >= sizeof(convtypes2) / sizeof(convtypes2[0]))
opts->flags &= ~BTRFS_BALANCE_OPTS_CONVERT;
else {
opts->convert = convtypes2[sel];
if (IsDlgButtonChecked(hwndDlg, IDC_SOFT) == BST_CHECKED) opts->flags |= BTRFS_BALANCE_OPTS_SOFT;
}
}
EndDialog(hwndDlg, 0);
}
INT_PTR CALLBACK BtrfsBalance::BalanceOptsDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
try {
switch (uMsg) {
case WM_INITDIALOG:
{
HWND devcb, convcb;
btrfs_device* bd;
btrfs_balance_opts* opts;
static int convtypes[] = { IDS_SINGLE2, IDS_DUP, IDS_RAID0, IDS_RAID1, IDS_RAID5, IDS_RAID6, IDS_RAID10, 0 };
int i, num_devices = 0, num_writeable_devices = 0;
wstring s, u;
bool balance_started = balance_status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED);
switch (opts_type) {
case 1:
opts = balance_started ? &bqb.data_opts : &data_opts;
break;
case 2:
opts = balance_started ? &bqb.metadata_opts : &metadata_opts;
break;
case 3:
opts = balance_started ? &bqb.system_opts : &system_opts;
break;
default:
return true;
}
EnableThemeDialogTexture(hwndDlg, ETDT_ENABLETAB);
devcb = GetDlgItem(hwndDlg, IDC_DEVID_COMBO);
if (!load_string(module, IDS_DEVID_LIST, u))
throw last_error(GetLastError());
bd = devices;
while (true) {
wstring t, v;
if (bd->device_number == 0xffffffff)
s = wstring(bd->name, bd->namelen);
else if (bd->partition_number == 0) {
if (!load_string(module, IDS_DISK_NUM, v))
throw last_error(GetLastError());
wstring_sprintf(s, v, bd->device_number);
} else {
if (!load_string(module, IDS_DISK_PART_NUM, v))
throw last_error(GetLastError());
wstring_sprintf(s, v, bd->device_number, bd->partition_number);
}
wstring_sprintf(t, u, bd->dev_id, s.c_str());
SendMessage(devcb, CB_ADDSTRING, 0, (LPARAM)t.c_str());
if (opts->devid == bd->dev_id)
SendMessage(devcb, CB_SETCURSEL, num_devices, 0);
num_devices++;
if (!bd->readonly)
num_writeable_devices++;
if (bd->next_entry > 0)
bd = (btrfs_device*)((uint8_t*)bd + bd->next_entry);
else
break;
}
convcb = GetDlgItem(hwndDlg, IDC_CONVERT_COMBO);
if (num_writeable_devices == 0)
num_writeable_devices = num_devices;
i = 0;
while (convtypes[i] != 0) {
if (!load_string(module, convtypes[i], s))
throw last_error(GetLastError());
SendMessage(convcb, CB_ADDSTRING, 0, (LPARAM)s.c_str());
if (opts->convert == convtypes2[i])
SendMessage(convcb, CB_SETCURSEL, i, 0);
i++;
if (num_writeable_devices < 2 && i == 2)
break;
else if (num_writeable_devices < 3 && i == 4)
break;
else if (num_writeable_devices < 4 && i == 5)
break;
}
// profiles
CheckDlgButton(hwndDlg, IDC_PROFILES, opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_SINGLE, opts->profiles & BLOCK_FLAG_SINGLE ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_DUP, opts->profiles & BLOCK_FLAG_DUPLICATE ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_RAID0, opts->profiles & BLOCK_FLAG_RAID0 ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_RAID1, opts->profiles & BLOCK_FLAG_RAID1 ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_RAID10, opts->profiles & BLOCK_FLAG_RAID10 ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_RAID5, opts->profiles & BLOCK_FLAG_RAID5 ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_PROFILES_RAID6, opts->profiles & BLOCK_FLAG_RAID6 ? BST_CHECKED : BST_UNCHECKED);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_SINGLE), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_DUP), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID0), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID1), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID10), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID5), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID6), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_PROFILES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES), balance_started ? false : true);
// usage
CheckDlgButton(hwndDlg, IDC_USAGE, opts->flags & BTRFS_BALANCE_OPTS_USAGE ? BST_CHECKED : BST_UNCHECKED);
s = to_wstring(opts->usage_start);
SetDlgItemTextW(hwndDlg, IDC_USAGE_START, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_USAGE_START_SPINNER), UDM_SETRANGE32, 0, 100);
s = to_wstring(opts->usage_end);
SetDlgItemTextW(hwndDlg, IDC_USAGE_END, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_USAGE_END_SPINNER), UDM_SETRANGE32, 0, 100);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_START), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_USAGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_START_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_USAGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_END), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_USAGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_END_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_USAGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE), balance_started ? false : true);
// devid
if (num_devices < 2 || balance_started)
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVID), false);
CheckDlgButton(hwndDlg, IDC_DEVID, opts->flags & BTRFS_BALANCE_OPTS_DEVID ? BST_CHECKED : BST_UNCHECKED);
EnableWindow(devcb, (opts->flags & BTRFS_BALANCE_OPTS_DEVID && num_devices >= 2 && !balance_started) ? true : false);
// drange
CheckDlgButton(hwndDlg, IDC_DRANGE, opts->flags & BTRFS_BALANCE_OPTS_DRANGE ? BST_CHECKED : BST_UNCHECKED);
s = to_wstring(opts->drange_start);
SetDlgItemTextW(hwndDlg, IDC_DRANGE_START, s.c_str());
s = to_wstring(opts->drange_end);
SetDlgItemTextW(hwndDlg, IDC_DRANGE_END, s.c_str());
EnableWindow(GetDlgItem(hwndDlg, IDC_DRANGE_START), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_DRANGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_DRANGE_END), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_DRANGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_DRANGE), balance_started ? false : true);
// vrange
CheckDlgButton(hwndDlg, IDC_VRANGE, opts->flags & BTRFS_BALANCE_OPTS_VRANGE ? BST_CHECKED : BST_UNCHECKED);
s = to_wstring(opts->vrange_start);
SetDlgItemTextW(hwndDlg, IDC_VRANGE_START, s.c_str());
s = to_wstring(opts->vrange_end);
SetDlgItemTextW(hwndDlg, IDC_VRANGE_END, s.c_str());
EnableWindow(GetDlgItem(hwndDlg, IDC_VRANGE_START), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_VRANGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_VRANGE_END), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_VRANGE ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_VRANGE), balance_started ? false : true);
// limit
CheckDlgButton(hwndDlg, IDC_LIMIT, opts->flags & BTRFS_BALANCE_OPTS_LIMIT ? BST_CHECKED : BST_UNCHECKED);
s = to_wstring(opts->limit_start);
SetDlgItemTextW(hwndDlg, IDC_LIMIT_START, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_LIMIT_START_SPINNER), UDM_SETRANGE32, 0, 0x7fffffff);
s = to_wstring(opts->limit_end);
SetDlgItemTextW(hwndDlg, IDC_LIMIT_END, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_LIMIT_END_SPINNER), UDM_SETRANGE32, 0, 0x7fffffff);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_START), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_LIMIT ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_START_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_LIMIT ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_END), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_LIMIT ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_END_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_LIMIT ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT), balance_started ? false : true);
// stripes
CheckDlgButton(hwndDlg, IDC_STRIPES, opts->flags & BTRFS_BALANCE_OPTS_STRIPES ? BST_CHECKED : BST_UNCHECKED);
s = to_wstring(opts->stripes_start);
SetDlgItemTextW(hwndDlg, IDC_STRIPES_START, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_STRIPES_START_SPINNER), UDM_SETRANGE32, 0, 0xffff);
s = to_wstring(opts->stripes_end);
SetDlgItemTextW(hwndDlg, IDC_STRIPES_END, s.c_str());
SendMessageW(GetDlgItem(hwndDlg, IDC_STRIPES_END_SPINNER), UDM_SETRANGE32, 0, 0xffff);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_START), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_STRIPES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_START_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_STRIPES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_END), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_STRIPES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_END_SPINNER), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_STRIPES ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES), balance_started ? false : true);
// convert
CheckDlgButton(hwndDlg, IDC_CONVERT, opts->flags & BTRFS_BALANCE_OPTS_CONVERT ? BST_CHECKED : BST_UNCHECKED);
CheckDlgButton(hwndDlg, IDC_SOFT, opts->flags & BTRFS_BALANCE_OPTS_SOFT ? BST_CHECKED : BST_UNCHECKED);
EnableWindow(GetDlgItem(hwndDlg, IDC_SOFT), !balance_started && opts->flags & BTRFS_BALANCE_OPTS_CONVERT ? true : false);
EnableWindow(convcb, !balance_started && opts->flags & BTRFS_BALANCE_OPTS_CONVERT ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_CONVERT), balance_started ? false : true);
break;
}
case WM_COMMAND:
switch (HIWORD(wParam)) {
case BN_CLICKED:
switch (LOWORD(wParam)) {
case IDOK:
if (balance_status & (BTRFS_BALANCE_RUNNING | BTRFS_BALANCE_PAUSED))
EndDialog(hwndDlg, 0);
else
SaveBalanceOpts(hwndDlg);
return true;
case IDCANCEL:
EndDialog(hwndDlg, 0);
return true;
case IDC_PROFILES: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_PROFILES) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_SINGLE), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_DUP), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID0), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID1), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID10), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID5), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_PROFILES_RAID6), enabled);
break;
}
case IDC_USAGE: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_USAGE) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_START), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_START_SPINNER), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_END), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_USAGE_END_SPINNER), enabled);
break;
}
case IDC_DEVID: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_DEVID) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_DEVID_COMBO), enabled);
break;
}
case IDC_DRANGE: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_DRANGE) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_DRANGE_START), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_DRANGE_END), enabled);
break;
}
case IDC_VRANGE: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_VRANGE) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_VRANGE_START), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_VRANGE_END), enabled);
break;
}
case IDC_LIMIT: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_LIMIT) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_START), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_START_SPINNER), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_END), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_LIMIT_END_SPINNER), enabled);
break;
}
case IDC_STRIPES: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_STRIPES) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_START), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_START_SPINNER), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_END), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_STRIPES_END_SPINNER), enabled);
break;
}
case IDC_CONVERT: {
bool enabled = IsDlgButtonChecked(hwndDlg, IDC_CONVERT) == BST_CHECKED ? true : false;
EnableWindow(GetDlgItem(hwndDlg, IDC_CONVERT_COMBO), enabled);
EnableWindow(GetDlgItem(hwndDlg, IDC_SOFT), enabled);
break;
}
}
break;
}
break;
}
} catch (const exception& e) {
error_message(hwndDlg, e.what());
}
return false;
}
static INT_PTR CALLBACK stub_BalanceOptsDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
BtrfsBalance* bb;
if (uMsg == WM_INITDIALOG) {
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)lParam);
bb = (BtrfsBalance*)lParam;
} else {
bb = (BtrfsBalance*)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
}
if (bb)
return bb->BalanceOptsDlgProc(hwndDlg, uMsg, wParam, lParam);
else
return false;
}
void BtrfsBalance::ShowBalanceOptions(HWND hwndDlg, uint8_t type) {
opts_type = type;
DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_BALANCE_OPTIONS), hwndDlg, stub_BalanceOptsDlgProc, (LPARAM)this);
}
INT_PTR CALLBACK BtrfsBalance::BalanceDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
try {
switch (uMsg) {
case WM_INITDIALOG:
{
EnableThemeDialogTexture(hwndDlg, ETDT_ENABLETAB);
RtlZeroMemory(&data_opts, sizeof(btrfs_balance_opts));
RtlZeroMemory(&metadata_opts, sizeof(btrfs_balance_opts));
RtlZeroMemory(&system_opts, sizeof(btrfs_balance_opts));
removing = called_from_RemoveDevice;
shrinking = called_from_ShrinkDevice;
balance_status = (removing || shrinking) ? BTRFS_BALANCE_RUNNING : BTRFS_BALANCE_STOPPED;
cancelling = false;
RefreshBalanceDlg(hwndDlg, true);
if (readonly) {
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_PAUSE_BALANCE), false);
EnableWindow(GetDlgItem(hwndDlg, IDC_CANCEL_BALANCE), false);
}
SendMessageW(GetDlgItem(hwndDlg, IDC_START_BALANCE), BCM_SETSHIELD, 0, true);
SendMessageW(GetDlgItem(hwndDlg, IDC_PAUSE_BALANCE), BCM_SETSHIELD, 0, true);
SendMessageW(GetDlgItem(hwndDlg, IDC_CANCEL_BALANCE), BCM_SETSHIELD, 0, true);
SetTimer(hwndDlg, 1, 1000, nullptr);
break;
}
case WM_COMMAND:
switch (HIWORD(wParam)) {
case BN_CLICKED:
switch (LOWORD(wParam)) {
case IDOK:
case IDCANCEL:
KillTimer(hwndDlg, 1);
EndDialog(hwndDlg, 0);
return true;
case IDC_DATA:
EnableWindow(GetDlgItem(hwndDlg, IDC_DATA_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), !readonly && (IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ||
IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED || IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED) ? true: false);
return true;
case IDC_METADATA:
EnableWindow(GetDlgItem(hwndDlg, IDC_METADATA_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), !readonly && (IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ||
IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED || IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED) ? true: false);
return true;
case IDC_SYSTEM:
EnableWindow(GetDlgItem(hwndDlg, IDC_SYSTEM_OPTIONS), IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED ? true : false);
EnableWindow(GetDlgItem(hwndDlg, IDC_START_BALANCE), !readonly && (IsDlgButtonChecked(hwndDlg, IDC_DATA) == BST_CHECKED ||
IsDlgButtonChecked(hwndDlg, IDC_METADATA) == BST_CHECKED || IsDlgButtonChecked(hwndDlg, IDC_SYSTEM) == BST_CHECKED) ? true: false);
return true;
case IDC_DATA_OPTIONS:
ShowBalanceOptions(hwndDlg, 1);
return true;
case IDC_METADATA_OPTIONS:
ShowBalanceOptions(hwndDlg, 2);
return true;
case IDC_SYSTEM_OPTIONS:
ShowBalanceOptions(hwndDlg, 3);
return true;
case IDC_START_BALANCE:
StartBalance(hwndDlg);
return true;
case IDC_PAUSE_BALANCE:
PauseBalance(hwndDlg);
RefreshBalanceDlg(hwndDlg, false);
return true;
case IDC_CANCEL_BALANCE:
StopBalance(hwndDlg);
RefreshBalanceDlg(hwndDlg, false);
return true;
}
break;
}
break;
case WM_TIMER:
RefreshBalanceDlg(hwndDlg, false);
break;
}
} catch (const exception& e) {
error_message(hwndDlg, e.what());
}
return false;
}
static INT_PTR CALLBACK stub_BalanceDlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
BtrfsBalance* bb;
if (uMsg == WM_INITDIALOG) {
SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)lParam);
bb = (BtrfsBalance*)lParam;
} else {
bb = (BtrfsBalance*)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
}
if (bb)
return bb->BalanceDlgProc(hwndDlg, uMsg, wParam, lParam);
else
return false;
}
void BtrfsBalance::ShowBalance(HWND hwndDlg) {
btrfs_device* bd;
if (devices) {
free(devices);
devices = nullptr;
}
{
win_handle h = CreateFileW(fn.c_str(), FILE_TRAVERSE | FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
ULONG devsize, i;
i = 0;
devsize = 1024;
devices = (btrfs_device*)malloc(devsize);
while (true) {
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_GET_DEVICES, nullptr, 0, devices, devsize);
if (Status == STATUS_BUFFER_OVERFLOW) {
if (i < 8) {
devsize += 1024;
free(devices);
devices = (btrfs_device*)malloc(devsize);
i++;
} else
return;
} else
break;
}
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
} else
throw last_error(GetLastError());
}
readonly = true;
bd = devices;
while (true) {
if (!bd->readonly) {
readonly = false;
break;
}
if (bd->next_entry > 0)
bd = (btrfs_device*)((uint8_t*)bd + bd->next_entry);
else
break;
}
DialogBoxParamW(module, MAKEINTRESOURCEW(IDD_BALANCE), hwndDlg, stub_BalanceDlgProc, (LPARAM)this);
}
static uint8_t from_hex_digit(WCHAR c) {
if (c >= 'a' && c <= 'f')
return (uint8_t)(c - 'a' + 0xa);
else if (c >= 'A' && c <= 'F')
return (uint8_t)(c - 'A' + 0xa);
else
return (uint8_t)(c - '0');
}
static void unserialize(void* data, ULONG len, WCHAR* s) {
uint8_t* d;
d = (uint8_t*)data;
while (s[0] != 0 && s[1] != 0 && len > 0) {
*d = (uint8_t)(from_hex_digit(s[0]) << 4) | from_hex_digit(s[1]);
s += 2;
d++;
len--;
}
}
#ifdef __REACTOS__
extern "C" {
#endif
void CALLBACK StartBalanceW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
try {
WCHAR *s, *vol, *block;
win_handle h, token;
btrfs_start_balance bsb;
TOKEN_PRIVILEGES tp;
LUID luid;
s = wcsstr(lpszCmdLine, L" ");
if (!s)
return;
s[0] = 0;
vol = lpszCmdLine;
block = &s[1];
RtlZeroMemory(&bsb, sizeof(btrfs_start_balance));
unserialize(&bsb, sizeof(btrfs_start_balance), block);
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
throw last_error(GetLastError());
if (!LookupPrivilegeValueW(nullptr, L"SeManageVolumePrivilege", &luid))
throw last_error(GetLastError());
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
throw last_error(GetLastError());
h = CreateFileW(vol, FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_START_BALANCE, &bsb, sizeof(btrfs_start_balance), nullptr, 0);
if (Status == STATUS_DEVICE_NOT_READY) {
btrfs_query_scrub bqs;
NTSTATUS Status2;
Status2 = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_QUERY_SCRUB, nullptr, 0, &bqs, sizeof(btrfs_query_scrub));
if ((NT_SUCCESS(Status2) || Status2 == STATUS_BUFFER_OVERFLOW) && bqs.status != BTRFS_SCRUB_STOPPED)
throw string_error(IDS_BALANCE_SCRUB_RUNNING);
}
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
} else
throw last_error(GetLastError());
} catch (const exception& e) {
error_message(hwnd, e.what());
}
}
void CALLBACK PauseBalanceW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
try {
win_handle h, token;
TOKEN_PRIVILEGES tp;
LUID luid;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
throw last_error(GetLastError());
if (!LookupPrivilegeValueW(nullptr, L"SeManageVolumePrivilege", &luid))
throw last_error(GetLastError());
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
throw last_error(GetLastError());
h = CreateFileW(lpszCmdLine, FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
btrfs_query_balance bqb2;
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_QUERY_BALANCE, nullptr, 0, &bqb2, sizeof(btrfs_query_balance));
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (bqb2.status & BTRFS_BALANCE_PAUSED)
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_RESUME_BALANCE, nullptr, 0, nullptr, 0);
else if (bqb2.status & BTRFS_BALANCE_RUNNING)
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_PAUSE_BALANCE, nullptr, 0, nullptr, 0);
else
return;
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
} else
throw last_error(GetLastError());
} catch (const exception& e) {
error_message(hwnd, e.what());
}
}
void CALLBACK StopBalanceW(HWND hwnd, HINSTANCE hinst, LPWSTR lpszCmdLine, int nCmdShow) {
try {
win_handle h, token;
TOKEN_PRIVILEGES tp;
LUID luid;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
throw last_error(GetLastError());
if (!LookupPrivilegeValueW(nullptr, L"SeManageVolumePrivilege", &luid))
throw last_error(GetLastError());
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
throw last_error(GetLastError());
h = CreateFileW(lpszCmdLine, FILE_TRAVERSE, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr,
OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, nullptr);
if (h != INVALID_HANDLE_VALUE) {
NTSTATUS Status;
IO_STATUS_BLOCK iosb;
btrfs_query_balance bqb2;
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_QUERY_BALANCE, nullptr, 0, &bqb2, sizeof(btrfs_query_balance));
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
if (bqb2.status & BTRFS_BALANCE_PAUSED || bqb2.status & BTRFS_BALANCE_RUNNING)
Status = NtFsControlFile(h, nullptr, nullptr, nullptr, &iosb, FSCTL_BTRFS_STOP_BALANCE, nullptr, 0, nullptr, 0);
else
return;
if (!NT_SUCCESS(Status))
throw ntstatus_error(Status);
} else
throw last_error(GetLastError());
} catch (const exception& e) {
error_message(hwnd, e.what());
}
}
#ifdef __REACTOS__
} /* extern "C" */
#endif
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