gem5/src/base/vnc/vncinput.cc
Brandon Potter a928a438b8 style: [patch 3/22] reduce include dependencies in some headers
Used cppclean to help identify useless includes and removed them. This
involved erroneously included headers, but also cases where forward
declarations could have been used rather than a full include.
2016-11-09 14:27:40 -06:00

141 lines
4.6 KiB
C++

/*
* Copyright (c) 2010, 2015 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Ali Saidi
* William Wang
*/
/** @file
* Implementiation of a VNC input
*/
#include "base/vnc/vncinput.hh"
#include <sys/types.h>
#include "base/misc.hh"
#include "base/output.hh"
#include "base/trace.hh"
#include "debug/VNC.hh"
using namespace std;
VncInput::VncInput(const Params *p)
: SimObject(p), keyboard(NULL), mouse(NULL),
fb(&FrameBuffer::dummy),
_videoWidth(fb->width()), _videoHeight(fb->height()),
captureEnabled(p->frame_capture),
captureCurrentFrame(0), captureLastHash(0)
{
if (captureEnabled) {
// remove existing frame output directory if it exists, then create a
// clean empty directory
const string FRAME_OUTPUT_SUBDIR = "frames_" + name();
simout.remove(FRAME_OUTPUT_SUBDIR, true);
captureOutputDirectory = simout.createSubdirectory(
FRAME_OUTPUT_SUBDIR);
}
}
void
VncInput::setFrameBuffer(const FrameBuffer *rfb)
{
if (!rfb)
panic("Trying to VNC frame buffer to NULL!");
fb = rfb;
// create bitmap of the frame with new attributes
if (captureEnabled)
captureBitmap.reset(new Bitmap(rfb));
// Setting a new frame buffer means that we need to send an update
// to the client. Mark the internal buffers as dirty to do so.
setDirty();
}
void
VncInput::setDirty()
{
const unsigned width(fb->width());
const unsigned height(fb->height());
if (_videoWidth != width || _videoHeight != height) {
DPRINTF(VNC, "Updating video params: width: %d height: %d\n",
width, height);
_videoWidth = width;
_videoHeight = height;
frameBufferResized();
}
if (captureEnabled)
captureFrameBuffer();
}
void
VncInput::captureFrameBuffer()
{
assert(captureBitmap);
// skip identical frames
uint64_t new_hash = fb->getHash();
if (captureLastHash == new_hash)
return;
captureLastHash = new_hash;
// get the filename for the current frame
char frameFilenameBuffer[64];
snprintf(frameFilenameBuffer, 64, "fb.%06d.%lld.bmp.gz",
captureCurrentFrame, static_cast<long long int>(curTick()));
const string frameFilename(frameFilenameBuffer);
// create the compressed framebuffer file
OutputStream *fb_out(captureOutputDirectory->create(frameFilename, true));
captureBitmap->write(*fb_out->stream());
captureOutputDirectory->close(fb_out);
++captureCurrentFrame;
}
// create the VNC Replayer object
VncInput *
VncInputParams::create()
{
return new VncInput(this);
}