1/* |
2 * Copyright (c) 2010, 2015 ARM Limited |
3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 45 unchanged lines hidden (view full) --- 56 57#include <fcntl.h> 58#include <poll.h> 59#include <sys/types.h> 60#include <unistd.h> 61 62#include <cerrno> 63#include <cstdio> |
64#include <cstddef> |
65 66#include "base/atomicio.hh" 67#include "base/bitmap.hh" 68#include "base/misc.hh" 69#include "base/output.hh" 70#include "base/socket.hh" 71#include "base/trace.hh" 72#include "debug/VNC.hh" 73#include "sim/byteswap.hh" 74#include "sim/core.hh" 75 76using namespace std; 77 |
78const PixelConverter VncServer::pixelConverter( 79 4, // 4 bytes / pixel 80 16, 8, 0, // R in [23, 16], G in [15, 8], B in [7, 0] 81 8, 8, 8, // 8 bits / channel 82 LittleEndianByteOrder); 83 |
84/** @file 85 * Implementiation of a VNC server 86 */ 87 88/** 89 * Poll event for the listen socket 90 */ 91VncServer::ListenEvent::ListenEvent(VncServer *vs, int fd, int e) --- 32 unchanged lines hidden (view full) --- 124 dataFd(-1), sendUpdate(false), 125 supportsRawEnc(false), supportsResizeEnc(false) 126{ 127 if (p->port) 128 listen(p->port); 129 130 curState = WaitForProtocolVersion; 131 |
132 // We currently only support one pixel format. Extract the pixel 133 // representation from our PixelConverter instance and keep it 134 // around for telling the client and making sure it cooperates 135 pixelFormat.bpp = 8 * pixelConverter.length; 136 pixelFormat.depth = pixelConverter.depth; 137 pixelFormat.bigendian = pixelConverter.byte_order == BigEndianByteOrder; |
138 pixelFormat.truecolor = 1; |
139 pixelFormat.redmax = pixelConverter.ch_r.mask; 140 pixelFormat.greenmax = pixelConverter.ch_g.mask; 141 pixelFormat.bluemax = pixelConverter.ch_b.mask; 142 pixelFormat.redshift = pixelConverter.ch_r.offset; 143 pixelFormat.greenshift = pixelConverter.ch_g.offset; 144 pixelFormat.blueshift = pixelConverter.ch_b.offset; |
145 146 DPRINTF(VNC, "Vnc server created at port %d\n", p->port); 147} 148 149VncServer::~VncServer() 150{ 151 if (dataFd != -1) 152 ::close(dataFd); --- 463 unchanged lines hidden (view full) --- 616 617} 618 619 620void 621VncServer::sendFrameBufferUpdate() 622{ 623 |
624 if (dataFd <= 0 || curState != NormalPhase || !sendUpdate) { |
625 DPRINTF(VNC, "NOT sending framebuffer update\n"); 626 return; 627 } 628 |
629 // The client will request data constantly, unless we throttle it 630 sendUpdate = false; 631 632 DPRINTF(VNC, "Sending framebuffer update\n"); 633 634 FrameBufferUpdate fbu; 635 FrameBufferRect fbr; 636 --- 12 unchanged lines hidden (view full) --- 649 fbr.width = htobe(fbr.width); 650 fbr.height = htobe(fbr.height); 651 fbr.encoding = htobe(fbr.encoding); 652 653 // send headers to client 654 write(&fbu); 655 write(&fbr); 656 |
657 assert(fb); |
658 |
659 std::vector<uint8_t> line_buffer(pixelConverter.length * fb->width()); 660 for (int y = 0; y < fb->height(); ++y) { 661 // Convert and send a line at a time 662 uint8_t *raw_pixel(line_buffer.data()); 663 for (unsigned x = 0; x < fb->width(); ++x) { 664 pixelConverter.fromPixel(raw_pixel, fb->pixel(x, y)); 665 raw_pixel += pixelConverter.length; 666 } |
667 |
668 write(line_buffer.data(), line_buffer.size()); 669 } |
670} 671 672void 673VncServer::sendFrameBufferResized() 674{ |
675 assert(fb && dataFd > 0 && curState == NormalPhase); |
676 DPRINTF(VNC, "Sending framebuffer resize\n"); 677 678 FrameBufferUpdate fbu; 679 FrameBufferRect fbr; 680 681 fbu.type = ServerFrameBufferUpdate; 682 fbu.num_rects = 1; 683 fbr.x = 0; --- 13 unchanged lines hidden (view full) --- 697 // send headers to client 698 write(&fbu); 699 write(&fbr); 700 701 // No actual data is sent in this message 702} 703 704void |
705VncServer::setDirty() |
706{ |
707 VncInput::setDirty(); |
708 |
709 sendUpdate = true; 710 sendFrameBufferUpdate(); 711} 712 713void 714VncServer::frameBufferResized() 715{ 716 if (dataFd > 0 && curState == NormalPhase) { 717 if (supportsResizeEnc) 718 sendFrameBufferResized(); 719 else 720 // The frame buffer changed size and we can't update the client 721 detach(); |
722 } 723} 724 725// create the VNC server object 726VncServer * 727VncServerParams::create() 728{ 729 return new VncServer(this); 730} 731 |