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#include "ikvm_input.hpp"
#include "ikvm_server.hpp"
#include "scancodes.hpp"
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <rfb/keysym.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/elog.hpp>
#include <phosphor-logging/log.hpp>
#include <xyz/openbmc_project/Common/File/error.hpp>
namespace ikvm
{
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Common::File::Error;
Input::Input(const std::string& kbdPath, const std::string& ptrPath) :
keyboardFd(-1), pointerFd(-1), keyboardReport{0}, pointerReport{0},
keyboardPath(kbdPath), pointerPath(ptrPath)
{
if (!keyboardPath.empty())
{
keyboardFd = open(keyboardPath.c_str(), O_RDWR | O_CLOEXEC);
if (keyboardFd < 0)
{
log<level::ERR>("Failed to open input device",
entry("PATH=%s", keyboardPath.c_str()),
entry("ERROR=%s", strerror(errno)));
elog<Open>(xyz::openbmc_project::Common::File::Open::ERRNO(errno),
xyz::openbmc_project::Common::File::Open::PATH(
keyboardPath.c_str()));
}
}
if (!pointerPath.empty())
{
pointerFd = open(pointerPath.c_str(), O_RDWR | O_CLOEXEC);
if (pointerFd < 0)
{
log<level::ERR>("Failed to open input device",
entry("PATH=%s", pointerPath.c_str()),
entry("ERROR=%s", strerror(errno)));
elog<Open>(xyz::openbmc_project::Common::File::Open::ERRNO(errno),
xyz::openbmc_project::Common::File::Open::PATH(
pointerPath.c_str()));
}
}
}
Input::~Input()
{
if (keyboardFd >= 0)
{
close(keyboardFd);
}
if (pointerFd >= 0)
{
close(pointerFd);
}
}
void Input::keyEvent(rfbBool down, rfbKeySym key, rfbClientPtr cl)
{
Server::ClientData* cd = (Server::ClientData*)cl->clientData;
Input* input = cd->input;
if (down)
{
uint8_t sc = keyToScancode(key);
if (sc)
{
if (input->keysDown.find(key) == input->keysDown.end())
{
for (unsigned int i = 2; i < KEY_REPORT_LENGTH; ++i)
{
if (!input->keyboardReport[i])
{
input->keyboardReport[i] = sc;
input->keysDown.insert(std::make_pair(key, i));
input->sendKeyboard = true;
break;
}
}
}
}
else
{
uint8_t mod = keyToMod(key);
if (mod)
{
input->keyboardReport[0] |= mod;
input->sendKeyboard = true;
}
}
}
else
{
auto it = input->keysDown.find(key);
if (it != input->keysDown.end())
{
input->keyboardReport[it->second] = 0;
input->keysDown.erase(it);
input->sendKeyboard = true;
}
else
{
uint8_t mod = keyToMod(key);
if (mod)
{
input->keyboardReport[0] &= ~mod;
input->sendKeyboard = true;
}
}
}
}
void Input::pointerEvent(int buttonMask, int x, int y, rfbClientPtr cl)
{
Server::ClientData* cd = (Server::ClientData*)cl->clientData;
Input* input = cd->input;
Server* server = (Server*)cl->screen->screenData;
const Video& video = server->getVideo();
input->pointerReport[0] = buttonMask & 0xFF;
if (x >= 0 && (unsigned int)x < video.getWidth())
{
uint16_t xx = x * ((SHRT_MAX + 1) / video.getWidth());
memcpy(&input->pointerReport[1], &xx, 2);
}
if (y >= 0 && (unsigned int)y < video.getHeight())
{
uint16_t yy = y * ((SHRT_MAX + 1) / video.getHeight());
memcpy(&input->pointerReport[3], &yy, 2);
}
input->sendPointer = true;
rfbDefaultPtrAddEvent(buttonMask, x, y, cl);
}
void Input::sendWakeupPacket()
{
uint8_t wakeupReport[PTR_REPORT_LENGTH] = {0};
uint16_t xy = SHRT_MAX / 2;
if (pointerFd < 0)
{
return;
}
memcpy(&wakeupReport[1], &xy, 2);
memcpy(&wakeupReport[3], &xy, 2);
if (write(pointerFd, wakeupReport, PTR_REPORT_LENGTH) != PTR_REPORT_LENGTH)
{
log<level::ERR>("Failed to write report",
entry("ERROR=%s", strerror(errno)));
}
}
void Input::sendReport()
{
if (sendKeyboard && keyboardFd >= 0)
{
if (write(keyboardFd, keyboardReport, KEY_REPORT_LENGTH) !=
KEY_REPORT_LENGTH)
{
log<level::ERR>("Failed to write keyboard report",
entry("ERROR=%s", strerror(errno)));
}
sendKeyboard = false;
}
if (sendPointer && pointerFd >= 0)
{
if (write(pointerFd, pointerReport, PTR_REPORT_LENGTH) !=
PTR_REPORT_LENGTH)
{
log<level::ERR>("Failed to write pointer report",
entry("ERROR=%s", strerror(errno)));
}
sendPointer = false;
}
}
uint8_t Input::keyToMod(rfbKeySym key)
{
uint8_t mod = 0;
if (key >= XK_Shift_L && key <= XK_Control_R)
{
mod = shiftCtrlMap[key - XK_Shift_L];
}
else if (key >= XK_Meta_L && key <= XK_Alt_R)
{
mod = metaAltMap[key - XK_Meta_L];
}
return mod;
}
uint8_t Input::keyToScancode(rfbKeySym key)
{
uint8_t scancode = 0;
if ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z'))
{
scancode = USBHID_KEY_A + ((key & 0x5F) - 'A');
}
else if (key >= '1' && key <= '9')
{
scancode = USBHID_KEY_1 + (key - '1');
}
else if (key >= XK_F1 && key <= XK_F12)
{
scancode = USBHID_KEY_F1 + (key - XK_F1);
}
else
{
switch (key)
{
case XK_exclam:
scancode = USBHID_KEY_1;
break;
case XK_at:
scancode = USBHID_KEY_2;
break;
case XK_numbersign:
scancode = USBHID_KEY_3;
break;
case XK_dollar:
scancode = USBHID_KEY_4;
break;
case XK_percent:
scancode = USBHID_KEY_5;
break;
case XK_asciicircum:
scancode = USBHID_KEY_6;
break;
case XK_ampersand:
scancode = USBHID_KEY_7;
break;
case XK_asterisk:
scancode = USBHID_KEY_8;
break;
case XK_parenleft:
scancode = USBHID_KEY_9;
break;
case XK_0:
case XK_parenright:
scancode = USBHID_KEY_0;
break;
case XK_Return:
scancode = USBHID_KEY_RETURN;
break;
case XK_Escape:
scancode = USBHID_KEY_ESC;
break;
case XK_BackSpace:
scancode = USBHID_KEY_BACKSPACE;
break;
case XK_Tab:
scancode = USBHID_KEY_TAB;
break;
case XK_space:
scancode = USBHID_KEY_SPACE;
break;
case XK_minus:
case XK_underscore:
scancode = USBHID_KEY_MINUS;
break;
case XK_plus:
case XK_equal:
scancode = USBHID_KEY_EQUAL;
break;
case XK_bracketleft:
case XK_braceleft:
scancode = USBHID_KEY_LEFTBRACE;
break;
case XK_bracketright:
case XK_braceright:
scancode = USBHID_KEY_RIGHTBRACE;
break;
case XK_backslash:
case XK_bar:
scancode = USBHID_KEY_BACKSLASH;
break;
case XK_colon:
case XK_semicolon:
scancode = USBHID_KEY_SEMICOLON;
break;
case XK_quotedbl:
case XK_apostrophe:
scancode = USBHID_KEY_APOSTROPHE;
break;
case XK_grave:
case XK_asciitilde:
scancode = USBHID_KEY_GRAVE;
break;
case XK_comma:
case XK_less:
scancode = USBHID_KEY_COMMA;
break;
case XK_period:
case XK_greater:
scancode = USBHID_KEY_DOT;
break;
case XK_slash:
case XK_question:
scancode = USBHID_KEY_SLASH;
break;
case XK_Caps_Lock:
scancode = USBHID_KEY_CAPSLOCK;
break;
case XK_Print:
scancode = USBHID_KEY_PRINT;
break;
case XK_Scroll_Lock:
scancode = USBHID_KEY_SCROLLLOCK;
break;
case XK_Pause:
scancode = USBHID_KEY_PAUSE;
break;
case XK_Insert:
scancode = USBHID_KEY_INSERT;
break;
case XK_Home:
scancode = USBHID_KEY_HOME;
break;
case XK_Page_Up:
scancode = USBHID_KEY_PAGEUP;
break;
case XK_Delete:
scancode = USBHID_KEY_DELETE;
break;
case XK_End:
scancode = USBHID_KEY_END;
break;
case XK_Page_Down:
scancode = USBHID_KEY_PAGEDOWN;
break;
case XK_Right:
scancode = USBHID_KEY_RIGHT;
break;
case XK_Left:
scancode = USBHID_KEY_LEFT;
break;
case XK_Down:
scancode = USBHID_KEY_DOWN;
break;
case XK_Up:
scancode = USBHID_KEY_UP;
break;
case XK_Num_Lock:
scancode = USBHID_KEY_NUMLOCK;
break;
}
}
return scancode;
}
} // namespace ikvm
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