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haiku-beta6/src/add-ons/input_server/devices/keyboard/KeyboardInputDevice.cpp
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/*****************************************************************************/
// Mouse input server device addon
// Written by Stefano Ceccherini
//
// KeyboardInputDevice.cpp
//
// Copyright (c) 2004 Haiku Project
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
/*****************************************************************************/
#include "KeyboardInputDevice.h"
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#include <Directory.h>
#include <Entry.h>
#include <NodeMonitor.h>
#include <Path.h>
#include <String.h>
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#include <stdlib.h>
#include <unistd.h>
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#define DEBUG 1
#if DEBUG
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inline void LOG(const char *fmt, ...) { char buf[1024]; va_list ap; va_start(ap, fmt); vsprintf(buf, fmt, ap); va_end(ap); \
fputs(buf, KeyboardInputDevice::sLogFile); fflush(KeyboardInputDevice::sLogFile); }
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#define LOG_ERR(text...) LOG(text)
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#else
#define LOG(text)
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#define LOG_ERR(text...) fprintf(stderr, text)
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#endif
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const static uint32 kSetLeds = 0x2711;
const static uint32 kSetRepeatingKey = 0x2712;
const static uint32 kSetNonRepeatingKey = 0x2713;
const static uint32 kSetKeyRepeatRate = 0x2714;
const static uint32 kSetKeyRepeatDelay = 0x2716;
const static uint32 kGetNextKey = 0x270f;
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const static uint32 kKeyboardThreadPriority = B_FIRST_REAL_TIME_PRIORITY + 4;
const static char *kKeyboardDevicesDirectory = "/dev/input/keyboard";
// "/dev/" is automatically prepended by StartMonitoringDevice()
const static char *kKeyboardDevicesDirectoryUSB = "input/keyboard/usb";
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const uint32 at_keycode_map[] = {
0x1, // Esc
0x12, // 1
0x13,
0x14,
0x15,
0x16,
0x17,
0x18,
0x19,
0x1a,
0x1b,
0x1c, // -
0x1d, // =
0x1e, // BKSP
0x26, // TAB
0x27, // Q
0x28, // W
0x29, // E
0x2a, // R
0x2b, // T
0x2c, // Y
0x2d, // U
0x2e, // I
0x2f, // O
0x30, // P
0x31, // [
0x32, // ]
0x47, // ENTER
0x5c, // Left Control
0x3c, // A
0x3d, // S
0x3e, // D
0x3f, // F
0x40, // G
0x41, // H
0x42, // J
0x43, // K
0x44, // L
0x45, // ;
0x46, // '
0x11, // `
0x4b, // Left Shift
0x33, // \
0x4c, // Z
0x4d, // X
0x4e, // C
0x4f, // V
0x50, // B
0x51, // N
0x52, // M
0x53, // ,
0x54, // .
0x55, // /
0x56, // Right Shift
0x24, // *
0x5d, // Left Alt
0x5e, // Space
0x3b, // Caps
0x02, // F1
0x03, // F2
0x04, // F3
0x05, // F4
0x06, // F5
0x07, // F6
0x08, // F7
0x09, // F8
0x0a, // F9
0x0b, // F10
0x22, // Num
0x0f, // Scroll
0x37, // KP 7
0x38, // KP 8
0x39, // KP 9
0x25, // KP -
0x48, // KP 4
0x49, // KP 5
0x4a, // KP 6
0x3a, // KP +
0x58, // KP 1
0x59, // KP 2
0x5a, // KP 3
0x64, // KP 0
0x65, // KP .
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x0c, // F11
0x0d, // F12
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x5b, // KP Enter
0x60, // Right Control
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x23, // KP /
0x00, // UNMAPPED
0x00, // UNMAPPED
0x5f, // Right Alt
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x20, // Home
0x57, // Up Arrow
0x21, // Page Up
0x00, // UNMAPPED
0x61, // Left Arrow
0x00, // UNMAPPED
0x63, // Right Arrow
0x00, // UNMAPPED
0x35, // End
0x62, // Down Arrow
0x36, // Page Down
0x1f, // Insert
0x34, // Delete
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
0x00, // UNMAPPED
};
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FILE *KeyboardInputDevice::sLogFile = NULL;
struct keyboard_device {
KeyboardInputDevice *owner;
input_device_ref device_ref;
char path[B_PATH_NAME_LENGTH];
int fd;
thread_id device_watcher;
kb_settings settings;
bool active;
};
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extern "C"
BInputServerDevice *
instantiate_input_device()
{
return new KeyboardInputDevice();
}
KeyboardInputDevice::KeyboardInputDevice()
{
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#if DEBUG
if (sLogFile == NULL)
sLogFile = fopen("/var/log/keyboard_device_log.log", "a");
#endif
StartMonitoringDevice(kKeyboardDevicesDirectoryUSB);
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LOG("%s\n", __PRETTY_FUNCTION__);
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}
KeyboardInputDevice::~KeyboardInputDevice()
{
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LOG("%s\n", __PRETTY_FUNCTION__);
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StopMonitoringDevice(kKeyboardDevicesDirectoryUSB);
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#if DEBUG
fclose(sLogFile);
#endif
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}
status_t
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KeyboardInputDevice::InitFromSettings(void *cookie, uint32 opcode)
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{
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LOG("%s\n", __PRETTY_FUNCTION__);
keyboard_device *device = (keyboard_device *)cookie;
if (get_key_repeat_rate(&device->settings.key_repeat_rate) != B_OK)
LOG_ERR("error when get_key_repeat_rate\n");
else
if (ioctl(device->fd, kSetKeyRepeatRate, &device->settings.key_repeat_rate)!=B_OK)
LOG_ERR("error when kSetKeyRepeatRate, fd:%li\n", device->fd);
if (get_key_repeat_delay(&device->settings.key_repeat_delay) != B_OK)
LOG_ERR("error when get_key_repeat_delay\n");
else
if (ioctl(device->fd, kSetKeyRepeatDelay, &device->settings.key_repeat_delay)!=B_OK)
LOG_ERR("error when kSetKeyRepeatDelay, fd:%li\n", device->fd);
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return B_OK;
}
status_t
KeyboardInputDevice::InitCheck()
{
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LOG("%s\n", __PRETTY_FUNCTION__);
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RecursiveScan(kKeyboardDevicesDirectory);
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return B_OK;
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}
status_t
KeyboardInputDevice::Start(const char *name, void *cookie)
{
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LOG("%s\n", __PRETTY_FUNCTION__);
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keyboard_device *device = (keyboard_device *)cookie;
char threadName[B_OS_NAME_LENGTH];
snprintf(threadName, B_OS_NAME_LENGTH, "%s watcher", name);
device->active = true;
device->device_watcher = spawn_thread(DeviceWatcher, threadName,
kKeyboardThreadPriority, device);
resume_thread(device->device_watcher);
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return B_OK;
}
status_t
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KeyboardInputDevice::Stop(const char *name, void *cookie)
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{
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keyboard_device *device = (keyboard_device *)cookie;
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LOG("Stop(%s)\n", name);
rebased on the mouse device addon, cleaned, untested
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device->active = false;
if (device->device_watcher >= 0) {
status_t dummy;
wait_for_thread(device->device_watcher, &dummy);
}
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return B_OK;
}
status_t
KeyboardInputDevice::Control(const char *name, void *cookie,
uint32 command, BMessage *message)
{
fixed logging, a bit of worker
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LOG("Control(%s, code: %lu)\n", name, command);
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if (command == B_NODE_MONITOR)
HandleMonitor(message);
else if (command >= B_KEY_MAP_CHANGED
&& command <= B_KEY_REPEAT_RATE_CHANGED) {
rebased on the mouse device addon, cleaned, untested
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InitFromSettings(cookie, command);
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}
return B_OK;
}
status_t
KeyboardInputDevice::HandleMonitor(BMessage *message)
{
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LOG("%s\n", __PRETTY_FUNCTION__);
rebased on the mouse device addon, cleaned, untested
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int32 opcode = 0;
status_t status;
if ((status = message->FindInt32("opcode", &opcode)) < B_OK)
return status;
if ((opcode != B_ENTRY_CREATED)
&& (opcode != B_ENTRY_REMOVED))
return B_OK;
BEntry entry;
BPath path;
dev_t device;
ino_t directory;
const char *name = NULL;
message->FindInt32("device", &device);
message->FindInt64("directory", &directory);
message->FindString("name", &name);
entry_ref ref(device, directory, name);
if ((status = entry.SetTo(&ref)) != B_OK)
return status;
if ((status = entry.GetPath(&path)) != B_OK)
return status;
if ((status = path.InitCheck()) != B_OK)
return status;
if (opcode == B_ENTRY_CREATED)
AddDevice(path.Path());
else
RemoveDevice(path.Path());
return status;
}
status_t
KeyboardInputDevice::AddDevice(const char *path)
{
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LOG("%s\n", __PRETTY_FUNCTION__);
rebased on the mouse device addon, cleaned, untested
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keyboard_device *device = new keyboard_device();
if (!device)
return B_NO_MEMORY;
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rebased on the mouse device addon, cleaned, untested
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if ((device->fd = open(path, O_RDWR)) < B_OK) {
delete device;
return B_ERROR;
}
device->device_watcher = -1;
device->active = false;
strcpy(device->path, path);
device->device_ref.name = GetShortName(path);
device->device_ref.type = B_KEYBOARD_DEVICE;
device->device_ref.cookie = device;
device->owner = this;
input_device_ref *devices[2];
devices[0] = &device->device_ref;
devices[1] = NULL;
fDevices.AddItem(device);
InitFromSettings(device);
return RegisterDevices(devices);
}
status_t
KeyboardInputDevice::RemoveDevice(const char *path)
{
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LOG("%s\n", __PRETTY_FUNCTION__);
rebased on the mouse device addon, cleaned, untested
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int32 i = 0;
keyboard_device *device = NULL;
while ((device = (keyboard_device *)fDevices.ItemAt(i)) != NULL) {
if (!strcmp(device->path, path)) {
free(device->device_ref.name);
if (device->fd >= 0)
close(device->fd);
fDevices.RemoveItem(device);
delete device;
return B_OK;
}
}
return B_ENTRY_NOT_FOUND;
added a base keyboard addon
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}
int32
KeyboardInputDevice::DeviceWatcher(void *arg)
{
rebased on the mouse device addon, cleaned, untested
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keyboard_device *dev = (keyboard_device *)arg;
fixed logging, a bit of worker
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uint8 buffer[12];
while (dev->active) {
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LOG("%s\n", __PRETTY_FUNCTION__);
if (ioctl(dev->fd, kGetNextKey, &buffer) == B_OK) {
at_kbd_io *at_kbd = (at_kbd_io *)buffer;
uint32 keycode = 0;
if (at_kbd->scancode>0)
keycode = at_keycode_map[at_kbd->scancode-1];
LOG("kGetNextKey : %Ld, %02x, %02x, %02lx\n", at_kbd->timestamp, at_kbd->scancode, at_kbd->is_keydown, keycode);
BMessage *msg = new BMessage;
msg->what = (at_kbd->is_keydown) ? B_KEY_DOWN : B_KEY_UP;
msg->AddInt64("when", at_kbd->timestamp);
if (dev->owner->EnqueueMessage(msg)!=B_OK)
delete msg;
} else {
LOG("kGetNextKey error 2\n");
snooze(100000);
}
adding comments
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// be:key_repeat
// be:old_modifiers
// when
// raw_char
// key
// modifiers
// states
// byte
// bytes
fixed logging, a bit of worker
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}
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return 0;
}
rebased on the mouse device addon, cleaned, untested
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char *
KeyboardInputDevice::GetShortName(const char *longName)
{
BString string(longName);
BString name;
int32 slash = string.FindLast("/");
int32 previousSlash = string.FindLast("/", slash) + 1;
string.CopyInto(name, slash, string.Length() - slash);
int32 deviceIndex = atoi(name.String()) + 1;
string.CopyInto(name, previousSlash, slash - previousSlash);
name << " Keyboard " << deviceIndex;
return strdup(name.String());
}
void
KeyboardInputDevice::RecursiveScan(const char *directory)
{
BEntry entry;
BDirectory dir(directory);
while (dir.GetNextEntry(&entry) == B_OK) {
BPath path;
entry.GetPath(&path);
if (entry.IsDirectory())
RecursiveScan(path.Path());
else
AddDevice(path.Path());
}
}
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