vncserver.cc revision 12020
17949SAli.Saidi@ARM.com/* 210839Sandreas.sandberg@arm.com * Copyright (c) 2010, 2015 ARM Limited 37949SAli.Saidi@ARM.com * All rights reserved 47949SAli.Saidi@ARM.com * 57949SAli.Saidi@ARM.com * The license below extends only to copyright in the software and shall 67949SAli.Saidi@ARM.com * not be construed as granting a license to any other intellectual 77949SAli.Saidi@ARM.com * property including but not limited to intellectual property relating 87949SAli.Saidi@ARM.com * to a hardware implementation of the functionality of the software 97949SAli.Saidi@ARM.com * licensed hereunder. You may use the software subject to the license 107949SAli.Saidi@ARM.com * terms below provided that you ensure that this notice is replicated 117949SAli.Saidi@ARM.com * unmodified and in its entirety in all distributions of the software, 127949SAli.Saidi@ARM.com * modified or unmodified, in source code or in binary form. 137949SAli.Saidi@ARM.com * 147949SAli.Saidi@ARM.com * Redistribution and use in source and binary forms, with or without 157949SAli.Saidi@ARM.com * modification, are permitted provided that the following conditions are 167949SAli.Saidi@ARM.com * met: redistributions of source code must retain the above copyright 177949SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer; 187949SAli.Saidi@ARM.com * redistributions in binary form must reproduce the above copyright 197949SAli.Saidi@ARM.com * notice, this list of conditions and the following disclaimer in the 207949SAli.Saidi@ARM.com * documentation and/or other materials provided with the distribution; 217949SAli.Saidi@ARM.com * neither the name of the copyright holders nor the names of its 227949SAli.Saidi@ARM.com * contributors may be used to endorse or promote products derived from 237949SAli.Saidi@ARM.com * this software without specific prior written permission. 247949SAli.Saidi@ARM.com * 257949SAli.Saidi@ARM.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 267949SAli.Saidi@ARM.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 277949SAli.Saidi@ARM.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 287949SAli.Saidi@ARM.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 297949SAli.Saidi@ARM.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 307949SAli.Saidi@ARM.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 317949SAli.Saidi@ARM.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 327949SAli.Saidi@ARM.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 337949SAli.Saidi@ARM.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 347949SAli.Saidi@ARM.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 357949SAli.Saidi@ARM.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 367949SAli.Saidi@ARM.com * 377949SAli.Saidi@ARM.com * Authors: Ali Saidi 387949SAli.Saidi@ARM.com * William Wang 397949SAli.Saidi@ARM.com */ 407949SAli.Saidi@ARM.com 417949SAli.Saidi@ARM.com/** @file 427949SAli.Saidi@ARM.com * Implementiation of a VNC server 437949SAli.Saidi@ARM.com */ 447949SAli.Saidi@ARM.com 457949SAli.Saidi@ARM.com#include <sys/ioctl.h> 468635Schris.emmons@arm.com#include <sys/stat.h> 4710810Sbr@bsdpad.com 4810810Sbr@bsdpad.com#if defined(__FreeBSD__) 4910810Sbr@bsdpad.com#include <termios.h> 5010810Sbr@bsdpad.com 5110810Sbr@bsdpad.com#else 527949SAli.Saidi@ARM.com#include <sys/termios.h> 5310810Sbr@bsdpad.com 5410810Sbr@bsdpad.com#endif 5510810Sbr@bsdpad.com#include "base/vnc/vncserver.hh" 5610810Sbr@bsdpad.com 578635Schris.emmons@arm.com#include <fcntl.h> 587949SAli.Saidi@ARM.com#include <poll.h> 5910810Sbr@bsdpad.com#include <sys/types.h> 607949SAli.Saidi@ARM.com#include <unistd.h> 617949SAli.Saidi@ARM.com 628229Snate@binkert.org#include <cerrno> 6311793Sbrandon.potter@amd.com#include <cstddef> 648229Snate@binkert.org#include <cstdio> 658229Snate@binkert.org 667949SAli.Saidi@ARM.com#include "base/atomicio.hh" 678635Schris.emmons@arm.com#include "base/bitmap.hh" 687949SAli.Saidi@ARM.com#include "base/misc.hh" 698635Schris.emmons@arm.com#include "base/output.hh" 707949SAli.Saidi@ARM.com#include "base/socket.hh" 717949SAli.Saidi@ARM.com#include "base/trace.hh" 728232Snate@binkert.org#include "debug/VNC.hh" 737949SAli.Saidi@ARM.com#include "sim/byteswap.hh" 748635Schris.emmons@arm.com#include "sim/core.hh" 757949SAli.Saidi@ARM.com 767949SAli.Saidi@ARM.comusing namespace std; 777949SAli.Saidi@ARM.com 7810839Sandreas.sandberg@arm.comconst PixelConverter VncServer::pixelConverter( 7910839Sandreas.sandberg@arm.com 4, // 4 bytes / pixel 8010839Sandreas.sandberg@arm.com 16, 8, 0, // R in [23, 16], G in [15, 8], B in [7, 0] 8110839Sandreas.sandberg@arm.com 8, 8, 8, // 8 bits / channel 8210839Sandreas.sandberg@arm.com LittleEndianByteOrder); 8310839Sandreas.sandberg@arm.com 849330Schander.sudanthi@arm.com/** @file 859330Schander.sudanthi@arm.com * Implementiation of a VNC server 869330Schander.sudanthi@arm.com */ 879330Schander.sudanthi@arm.com 887949SAli.Saidi@ARM.com/** 897949SAli.Saidi@ARM.com * Poll event for the listen socket 907949SAli.Saidi@ARM.com */ 917949SAli.Saidi@ARM.comVncServer::ListenEvent::ListenEvent(VncServer *vs, int fd, int e) 927949SAli.Saidi@ARM.com : PollEvent(fd, e), vncserver(vs) 937949SAli.Saidi@ARM.com{ 947949SAli.Saidi@ARM.com} 957949SAli.Saidi@ARM.com 967949SAli.Saidi@ARM.comvoid 977949SAli.Saidi@ARM.comVncServer::ListenEvent::process(int revent) 987949SAli.Saidi@ARM.com{ 997949SAli.Saidi@ARM.com vncserver->accept(); 1007949SAli.Saidi@ARM.com} 1017949SAli.Saidi@ARM.com 1027949SAli.Saidi@ARM.com/** 1037949SAli.Saidi@ARM.com * Poll event for the data socket 1047949SAli.Saidi@ARM.com */ 1057949SAli.Saidi@ARM.comVncServer::DataEvent::DataEvent(VncServer *vs, int fd, int e) 1067949SAli.Saidi@ARM.com : PollEvent(fd, e), vncserver(vs) 1077949SAli.Saidi@ARM.com{ 1087949SAli.Saidi@ARM.com} 1097949SAli.Saidi@ARM.com 1107949SAli.Saidi@ARM.comvoid 1117949SAli.Saidi@ARM.comVncServer::DataEvent::process(int revent) 1127949SAli.Saidi@ARM.com{ 1137949SAli.Saidi@ARM.com if (revent & POLLIN) 1147949SAli.Saidi@ARM.com vncserver->data(); 1157949SAli.Saidi@ARM.com else if (revent & POLLNVAL) 1167949SAli.Saidi@ARM.com vncserver->detach(); 1177949SAli.Saidi@ARM.com} 1187949SAli.Saidi@ARM.com 1197949SAli.Saidi@ARM.com/** 1207949SAli.Saidi@ARM.com * VncServer 1217949SAli.Saidi@ARM.com */ 1227949SAli.Saidi@ARM.comVncServer::VncServer(const Params *p) 1239330Schander.sudanthi@arm.com : VncInput(p), listenEvent(NULL), dataEvent(NULL), number(p->number), 12410360Sandreas.hansson@arm.com dataFd(-1), sendUpdate(false), 12510360Sandreas.hansson@arm.com supportsRawEnc(false), supportsResizeEnc(false) 1267949SAli.Saidi@ARM.com{ 1277949SAli.Saidi@ARM.com if (p->port) 1287949SAli.Saidi@ARM.com listen(p->port); 1297949SAli.Saidi@ARM.com 1307949SAli.Saidi@ARM.com curState = WaitForProtocolVersion; 1317949SAli.Saidi@ARM.com 13210839Sandreas.sandberg@arm.com // We currently only support one pixel format. Extract the pixel 13310839Sandreas.sandberg@arm.com // representation from our PixelConverter instance and keep it 13410839Sandreas.sandberg@arm.com // around for telling the client and making sure it cooperates 13510839Sandreas.sandberg@arm.com pixelFormat.bpp = 8 * pixelConverter.length; 13610839Sandreas.sandberg@arm.com pixelFormat.depth = pixelConverter.depth; 13710839Sandreas.sandberg@arm.com pixelFormat.bigendian = pixelConverter.byte_order == BigEndianByteOrder; 1387949SAli.Saidi@ARM.com pixelFormat.truecolor = 1; 13910839Sandreas.sandberg@arm.com pixelFormat.redmax = pixelConverter.ch_r.mask; 14010839Sandreas.sandberg@arm.com pixelFormat.greenmax = pixelConverter.ch_g.mask; 14110839Sandreas.sandberg@arm.com pixelFormat.bluemax = pixelConverter.ch_b.mask; 14210839Sandreas.sandberg@arm.com pixelFormat.redshift = pixelConverter.ch_r.offset; 14310839Sandreas.sandberg@arm.com pixelFormat.greenshift = pixelConverter.ch_g.offset; 14410839Sandreas.sandberg@arm.com pixelFormat.blueshift = pixelConverter.ch_b.offset; 1457949SAli.Saidi@ARM.com 1467949SAli.Saidi@ARM.com DPRINTF(VNC, "Vnc server created at port %d\n", p->port); 1477949SAli.Saidi@ARM.com} 1487949SAli.Saidi@ARM.com 1497949SAli.Saidi@ARM.comVncServer::~VncServer() 1507949SAli.Saidi@ARM.com{ 1517949SAli.Saidi@ARM.com if (dataFd != -1) 1527949SAli.Saidi@ARM.com ::close(dataFd); 1537949SAli.Saidi@ARM.com 1547949SAli.Saidi@ARM.com if (listenEvent) 1557949SAli.Saidi@ARM.com delete listenEvent; 1567949SAli.Saidi@ARM.com 1577949SAli.Saidi@ARM.com if (dataEvent) 1587949SAli.Saidi@ARM.com delete dataEvent; 1597949SAli.Saidi@ARM.com} 1607949SAli.Saidi@ARM.com 1617949SAli.Saidi@ARM.com 1627949SAli.Saidi@ARM.com//socket creation and vnc client attach 1637949SAli.Saidi@ARM.comvoid 1647949SAli.Saidi@ARM.comVncServer::listen(int port) 1657949SAli.Saidi@ARM.com{ 1667949SAli.Saidi@ARM.com if (ListenSocket::allDisabled()) { 1677949SAli.Saidi@ARM.com warn_once("Sockets disabled, not accepting vnc client connections"); 1687949SAli.Saidi@ARM.com return; 1697949SAli.Saidi@ARM.com } 1707949SAli.Saidi@ARM.com 1717949SAli.Saidi@ARM.com while (!listener.listen(port, true)) { 1727949SAli.Saidi@ARM.com DPRINTF(VNC, 1737949SAli.Saidi@ARM.com "can't bind address vnc server port %d in use PID %d\n", 1747949SAli.Saidi@ARM.com port, getpid()); 1757949SAli.Saidi@ARM.com port++; 1767949SAli.Saidi@ARM.com } 1777949SAli.Saidi@ARM.com 1787949SAli.Saidi@ARM.com int p1, p2; 1797949SAli.Saidi@ARM.com p2 = name().rfind('.') - 1; 1807949SAli.Saidi@ARM.com p1 = name().rfind('.', p2); 1817949SAli.Saidi@ARM.com ccprintf(cerr, "Listening for %s connection on port %d\n", 1827949SAli.Saidi@ARM.com name().substr(p1 + 1, p2 - p1), port); 1837949SAli.Saidi@ARM.com 1847949SAli.Saidi@ARM.com listenEvent = new ListenEvent(this, listener.getfd(), POLLIN); 1857949SAli.Saidi@ARM.com pollQueue.schedule(listenEvent); 1867949SAli.Saidi@ARM.com} 1877949SAli.Saidi@ARM.com 1887949SAli.Saidi@ARM.com// attach a vnc client 1897949SAli.Saidi@ARM.comvoid 1907949SAli.Saidi@ARM.comVncServer::accept() 1917949SAli.Saidi@ARM.com{ 19210156Sandreas@sandberg.pp.se // As a consequence of being called from the PollQueue, we might 19310156Sandreas@sandberg.pp.se // have been called from a different thread. Migrate to "our" 19410156Sandreas@sandberg.pp.se // thread. 19510156Sandreas@sandberg.pp.se EventQueue::ScopedMigration migrate(eventQueue()); 19610156Sandreas@sandberg.pp.se 1977949SAli.Saidi@ARM.com if (!listener.islistening()) 1987949SAli.Saidi@ARM.com panic("%s: cannot accept a connection if not listening!", name()); 1997949SAli.Saidi@ARM.com 2007949SAli.Saidi@ARM.com int fd = listener.accept(true); 20112020Sgabeblack@google.com if (fd < 0) { 20212020Sgabeblack@google.com warn("%s: failed to accept VNC connection!", name()); 20312020Sgabeblack@google.com return; 20412020Sgabeblack@google.com } 20510422Sandreas.hansson@arm.com 2067949SAli.Saidi@ARM.com if (dataFd != -1) { 2077949SAli.Saidi@ARM.com char message[] = "vnc server already attached!\n"; 2087949SAli.Saidi@ARM.com atomic_write(fd, message, sizeof(message)); 2097949SAli.Saidi@ARM.com ::close(fd); 2107949SAli.Saidi@ARM.com return; 2117949SAli.Saidi@ARM.com } 2127949SAli.Saidi@ARM.com 2137949SAli.Saidi@ARM.com dataFd = fd; 2147949SAli.Saidi@ARM.com 2157949SAli.Saidi@ARM.com // Send our version number to the client 21612020Sgabeblack@google.com write((uint8_t *)vncVersion(), strlen(vncVersion())); 2177949SAli.Saidi@ARM.com 2187949SAli.Saidi@ARM.com // read the client response 2197949SAli.Saidi@ARM.com dataEvent = new DataEvent(this, dataFd, POLLIN); 2207949SAli.Saidi@ARM.com pollQueue.schedule(dataEvent); 2217949SAli.Saidi@ARM.com 2227949SAli.Saidi@ARM.com inform("VNC client attached\n"); 2237949SAli.Saidi@ARM.com} 2247949SAli.Saidi@ARM.com 2257949SAli.Saidi@ARM.com// data called by data event 2267949SAli.Saidi@ARM.comvoid 2277949SAli.Saidi@ARM.comVncServer::data() 2287949SAli.Saidi@ARM.com{ 2297949SAli.Saidi@ARM.com // We have new data, see if we can handle it 2307949SAli.Saidi@ARM.com DPRINTF(VNC, "Vnc client message recieved\n"); 2317949SAli.Saidi@ARM.com 2327949SAli.Saidi@ARM.com switch (curState) { 2337949SAli.Saidi@ARM.com case WaitForProtocolVersion: 2347949SAli.Saidi@ARM.com checkProtocolVersion(); 2357949SAli.Saidi@ARM.com break; 2367949SAli.Saidi@ARM.com case WaitForSecurityResponse: 2377949SAli.Saidi@ARM.com checkSecurity(); 2387949SAli.Saidi@ARM.com break; 2397949SAli.Saidi@ARM.com case WaitForClientInit: 2407949SAli.Saidi@ARM.com // Don't care about shared, just need to read it out of the socket 2417949SAli.Saidi@ARM.com uint8_t shared; 24212020Sgabeblack@google.com if (!read(&shared)) 24312020Sgabeblack@google.com return; 2447949SAli.Saidi@ARM.com 2457949SAli.Saidi@ARM.com // Send our idea of the frame buffer 2467949SAli.Saidi@ARM.com sendServerInit(); 2477949SAli.Saidi@ARM.com 2487949SAli.Saidi@ARM.com break; 2497949SAli.Saidi@ARM.com case NormalPhase: 2507949SAli.Saidi@ARM.com uint8_t message_type; 25112020Sgabeblack@google.com if (!read(&message_type)) 2527949SAli.Saidi@ARM.com return; 2537949SAli.Saidi@ARM.com 2547949SAli.Saidi@ARM.com switch (message_type) { 2557949SAli.Saidi@ARM.com case ClientSetPixelFormat: 2567949SAli.Saidi@ARM.com setPixelFormat(); 2577949SAli.Saidi@ARM.com break; 2587949SAli.Saidi@ARM.com case ClientSetEncodings: 2597949SAli.Saidi@ARM.com setEncodings(); 2607949SAli.Saidi@ARM.com break; 2617949SAli.Saidi@ARM.com case ClientFrameBufferUpdate: 2628871SChander.Sudanthi@arm.com requestFbUpdate(); 2638871SChander.Sudanthi@arm.com break; 2647949SAli.Saidi@ARM.com case ClientKeyEvent: 2658871SChander.Sudanthi@arm.com recvKeyboardInput(); 2668871SChander.Sudanthi@arm.com break; 2677949SAli.Saidi@ARM.com case ClientPointerEvent: 2688871SChander.Sudanthi@arm.com recvPointerInput(); 2698871SChander.Sudanthi@arm.com break; 2707949SAli.Saidi@ARM.com case ClientCutText: 2718871SChander.Sudanthi@arm.com recvCutText(); 2728871SChander.Sudanthi@arm.com break; 2737949SAli.Saidi@ARM.com default: 27412020Sgabeblack@google.com warn("Unimplemented message type recv from client: %d\n", 27512020Sgabeblack@google.com message_type); 27612020Sgabeblack@google.com detach(); 2778871SChander.Sudanthi@arm.com break; 2787949SAli.Saidi@ARM.com } 2797949SAli.Saidi@ARM.com break; 2807949SAli.Saidi@ARM.com default: 2817949SAli.Saidi@ARM.com panic("Unknown vnc server state\n"); 2827949SAli.Saidi@ARM.com } 2837949SAli.Saidi@ARM.com} 2847949SAli.Saidi@ARM.com 2857949SAli.Saidi@ARM.com 2867949SAli.Saidi@ARM.com// read from socket 28712020Sgabeblack@google.combool 2887949SAli.Saidi@ARM.comVncServer::read(uint8_t *buf, size_t len) 2897949SAli.Saidi@ARM.com{ 2907949SAli.Saidi@ARM.com if (dataFd < 0) 2917949SAli.Saidi@ARM.com panic("vnc not properly attached.\n"); 2927949SAli.Saidi@ARM.com 2937949SAli.Saidi@ARM.com size_t ret; 2947949SAli.Saidi@ARM.com do { 2957949SAli.Saidi@ARM.com ret = ::read(dataFd, buf, len); 2967949SAli.Saidi@ARM.com } while (ret == -1 && errno == EINTR); 2977949SAli.Saidi@ARM.com 2987949SAli.Saidi@ARM.com 29912020Sgabeblack@google.com if (ret != len) { 30012020Sgabeblack@google.com DPRINTF(VNC, "Read failed %d.\n", ret); 3017949SAli.Saidi@ARM.com detach(); 30212020Sgabeblack@google.com return false; 3037949SAli.Saidi@ARM.com } 3047949SAli.Saidi@ARM.com 30512020Sgabeblack@google.com return true; 3067949SAli.Saidi@ARM.com} 3077949SAli.Saidi@ARM.com 30812020Sgabeblack@google.combool 3097949SAli.Saidi@ARM.comVncServer::read1(uint8_t *buf, size_t len) 3107949SAli.Saidi@ARM.com{ 31112020Sgabeblack@google.com return read(buf + 1, len - 1); 3127949SAli.Saidi@ARM.com} 3137949SAli.Saidi@ARM.com 3147949SAli.Saidi@ARM.com 3157949SAli.Saidi@ARM.comtemplate<typename T> 31612020Sgabeblack@google.combool 3177949SAli.Saidi@ARM.comVncServer::read(T* val) 3187949SAli.Saidi@ARM.com{ 31912020Sgabeblack@google.com return read((uint8_t *)val, sizeof(T)); 3207949SAli.Saidi@ARM.com} 3217949SAli.Saidi@ARM.com 3227949SAli.Saidi@ARM.com// write to socket 32312020Sgabeblack@google.combool 3247949SAli.Saidi@ARM.comVncServer::write(const uint8_t *buf, size_t len) 3257949SAli.Saidi@ARM.com{ 3267949SAli.Saidi@ARM.com if (dataFd < 0) 3277949SAli.Saidi@ARM.com panic("Vnc client not properly attached.\n"); 3287949SAli.Saidi@ARM.com 32912020Sgabeblack@google.com ssize_t ret = atomic_write(dataFd, buf, len); 3307949SAli.Saidi@ARM.com 33112020Sgabeblack@google.com if (ret != len) { 33212020Sgabeblack@google.com DPRINTF(VNC, "Write failed.\n"); 3337949SAli.Saidi@ARM.com detach(); 33412020Sgabeblack@google.com return false; 33512020Sgabeblack@google.com } 3367949SAli.Saidi@ARM.com 33712020Sgabeblack@google.com return true; 3387949SAli.Saidi@ARM.com} 3397949SAli.Saidi@ARM.com 3407949SAli.Saidi@ARM.comtemplate<typename T> 34112020Sgabeblack@google.combool 3427949SAli.Saidi@ARM.comVncServer::write(T* val) 3437949SAli.Saidi@ARM.com{ 34412020Sgabeblack@google.com return write((uint8_t *)val, sizeof(T)); 3457949SAli.Saidi@ARM.com} 3467949SAli.Saidi@ARM.com 34712020Sgabeblack@google.combool 3487949SAli.Saidi@ARM.comVncServer::write(const char* str) 3497949SAli.Saidi@ARM.com{ 35012020Sgabeblack@google.com return write((uint8_t *)str, strlen(str)); 3517949SAli.Saidi@ARM.com} 3527949SAli.Saidi@ARM.com 3537949SAli.Saidi@ARM.com// detach a vnc client 3547949SAli.Saidi@ARM.comvoid 3557949SAli.Saidi@ARM.comVncServer::detach() 3567949SAli.Saidi@ARM.com{ 3577949SAli.Saidi@ARM.com if (dataFd != -1) { 3587949SAli.Saidi@ARM.com ::close(dataFd); 3597949SAli.Saidi@ARM.com dataFd = -1; 3607949SAli.Saidi@ARM.com } 3617949SAli.Saidi@ARM.com 3627949SAli.Saidi@ARM.com if (!dataEvent || !dataEvent->queued()) 3637949SAli.Saidi@ARM.com return; 3647949SAli.Saidi@ARM.com 3657949SAli.Saidi@ARM.com pollQueue.remove(dataEvent); 3667949SAli.Saidi@ARM.com delete dataEvent; 3677949SAli.Saidi@ARM.com dataEvent = NULL; 3687949SAli.Saidi@ARM.com curState = WaitForProtocolVersion; 3697949SAli.Saidi@ARM.com 3707949SAli.Saidi@ARM.com inform("VNC client detached\n"); 3717949SAli.Saidi@ARM.com DPRINTF(VNC, "detach vnc client %d\n", number); 3727949SAli.Saidi@ARM.com} 3737949SAli.Saidi@ARM.com 3747949SAli.Saidi@ARM.comvoid 3757949SAli.Saidi@ARM.comVncServer::sendError(const char* error_msg) 3767949SAli.Saidi@ARM.com{ 3777949SAli.Saidi@ARM.com uint32_t len = strlen(error_msg); 37812020Sgabeblack@google.com if (!write(&len)) 37912020Sgabeblack@google.com return; 3807949SAli.Saidi@ARM.com write(error_msg); 3817949SAli.Saidi@ARM.com} 3827949SAli.Saidi@ARM.com 3837949SAli.Saidi@ARM.comvoid 3847949SAli.Saidi@ARM.comVncServer::checkProtocolVersion() 3857949SAli.Saidi@ARM.com{ 3867949SAli.Saidi@ARM.com assert(curState == WaitForProtocolVersion); 3877949SAli.Saidi@ARM.com 3887949SAli.Saidi@ARM.com size_t len M5_VAR_USED; 3897949SAli.Saidi@ARM.com char version_string[13]; 3907949SAli.Saidi@ARM.com 3917949SAli.Saidi@ARM.com // Null terminate the message so it's easier to work with 3927949SAli.Saidi@ARM.com version_string[12] = 0; 3937949SAli.Saidi@ARM.com 39412020Sgabeblack@google.com if (!read((uint8_t *)version_string, sizeof(version_string) - 1)) { 39512020Sgabeblack@google.com warn("Failed to read protocol version."); 39612020Sgabeblack@google.com return; 39712020Sgabeblack@google.com } 3987949SAli.Saidi@ARM.com 3997949SAli.Saidi@ARM.com uint32_t major, minor; 4007949SAli.Saidi@ARM.com 4017949SAli.Saidi@ARM.com // Figure out the major/minor numbers 4027949SAli.Saidi@ARM.com if (sscanf(version_string, "RFB %03d.%03d\n", &major, &minor) != 2) { 4037949SAli.Saidi@ARM.com warn(" Malformed protocol version %s\n", version_string); 4047949SAli.Saidi@ARM.com sendError("Malformed protocol version\n"); 4057949SAli.Saidi@ARM.com detach(); 40612020Sgabeblack@google.com return; 4077949SAli.Saidi@ARM.com } 4087949SAli.Saidi@ARM.com 4097949SAli.Saidi@ARM.com DPRINTF(VNC, "Client request protocol version %d.%d\n", major, minor); 4107949SAli.Saidi@ARM.com 4117949SAli.Saidi@ARM.com // If it's not 3.X we don't support it 4127949SAli.Saidi@ARM.com if (major != 3 || minor < 2) { 4137949SAli.Saidi@ARM.com warn("Unsupported VNC client version... disconnecting\n"); 4147949SAli.Saidi@ARM.com uint8_t err = AuthInvalid; 4157949SAli.Saidi@ARM.com write(&err); 4167949SAli.Saidi@ARM.com detach(); 41712020Sgabeblack@google.com return; 4187949SAli.Saidi@ARM.com } 4197949SAli.Saidi@ARM.com // Auth is different based on version number 4207949SAli.Saidi@ARM.com if (minor < 7) { 4217949SAli.Saidi@ARM.com uint32_t sec_type = htobe((uint32_t)AuthNone); 42212020Sgabeblack@google.com if (!write(&sec_type)) 42312020Sgabeblack@google.com return; 4247949SAli.Saidi@ARM.com } else { 4257949SAli.Saidi@ARM.com uint8_t sec_cnt = 1; 4267949SAli.Saidi@ARM.com uint8_t sec_type = htobe((uint8_t)AuthNone); 42712020Sgabeblack@google.com if (!write(&sec_cnt) || !write(&sec_type)) 42812020Sgabeblack@google.com return; 4297949SAli.Saidi@ARM.com } 4307949SAli.Saidi@ARM.com 4317949SAli.Saidi@ARM.com // Wait for client to respond 4327949SAli.Saidi@ARM.com curState = WaitForSecurityResponse; 4337949SAli.Saidi@ARM.com} 4347949SAli.Saidi@ARM.com 4357949SAli.Saidi@ARM.comvoid 4367949SAli.Saidi@ARM.comVncServer::checkSecurity() 4377949SAli.Saidi@ARM.com{ 4387949SAli.Saidi@ARM.com assert(curState == WaitForSecurityResponse); 4397949SAli.Saidi@ARM.com 4407949SAli.Saidi@ARM.com uint8_t security_type; 44112020Sgabeblack@google.com if (!read(&security_type)) 44212020Sgabeblack@google.com return; 4437949SAli.Saidi@ARM.com 4447949SAli.Saidi@ARM.com if (security_type != AuthNone) { 4457949SAli.Saidi@ARM.com warn("Unknown VNC security type\n"); 4467949SAli.Saidi@ARM.com sendError("Unknown security type\n"); 4477949SAli.Saidi@ARM.com } 4487949SAli.Saidi@ARM.com 4497949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending security auth OK\n"); 4507949SAli.Saidi@ARM.com 4517949SAli.Saidi@ARM.com uint32_t success = htobe(VncOK); 45212020Sgabeblack@google.com if (!write(&success)) 45312020Sgabeblack@google.com return; 4547949SAli.Saidi@ARM.com curState = WaitForClientInit; 4557949SAli.Saidi@ARM.com} 4567949SAli.Saidi@ARM.com 4577949SAli.Saidi@ARM.comvoid 4587949SAli.Saidi@ARM.comVncServer::sendServerInit() 4597949SAli.Saidi@ARM.com{ 4607949SAli.Saidi@ARM.com ServerInitMsg msg; 4617949SAli.Saidi@ARM.com 4627949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending server init message to client\n"); 4637949SAli.Saidi@ARM.com 4647949SAli.Saidi@ARM.com msg.fbWidth = htobe(videoWidth()); 4657949SAli.Saidi@ARM.com msg.fbHeight = htobe(videoHeight()); 4667949SAli.Saidi@ARM.com 4677949SAli.Saidi@ARM.com msg.px.bpp = htobe(pixelFormat.bpp); 4687949SAli.Saidi@ARM.com msg.px.depth = htobe(pixelFormat.depth); 4697949SAli.Saidi@ARM.com msg.px.bigendian = htobe(pixelFormat.bigendian); 4707949SAli.Saidi@ARM.com msg.px.truecolor = htobe(pixelFormat.truecolor); 4717949SAli.Saidi@ARM.com msg.px.redmax = htobe(pixelFormat.redmax); 4727949SAli.Saidi@ARM.com msg.px.greenmax = htobe(pixelFormat.greenmax); 4737949SAli.Saidi@ARM.com msg.px.bluemax = htobe(pixelFormat.bluemax); 4747949SAli.Saidi@ARM.com msg.px.redshift = htobe(pixelFormat.redshift); 4757949SAli.Saidi@ARM.com msg.px.greenshift = htobe(pixelFormat.greenshift); 4767949SAli.Saidi@ARM.com msg.px.blueshift = htobe(pixelFormat.blueshift); 4777949SAli.Saidi@ARM.com memset(msg.px.padding, 0, 3); 4787949SAli.Saidi@ARM.com msg.namelen = 2; 4797949SAli.Saidi@ARM.com msg.namelen = htobe(msg.namelen); 4807949SAli.Saidi@ARM.com memcpy(msg.name, "M5", 2); 4817949SAli.Saidi@ARM.com 48212020Sgabeblack@google.com if (!write(&msg)) 48312020Sgabeblack@google.com return; 4847949SAli.Saidi@ARM.com curState = NormalPhase; 4857949SAli.Saidi@ARM.com} 4867949SAli.Saidi@ARM.com 4877949SAli.Saidi@ARM.comvoid 4887949SAli.Saidi@ARM.comVncServer::setPixelFormat() 4897949SAli.Saidi@ARM.com{ 4907949SAli.Saidi@ARM.com DPRINTF(VNC, "Received pixel format from client message\n"); 4917949SAli.Saidi@ARM.com 4927949SAli.Saidi@ARM.com PixelFormatMessage pfm; 49312020Sgabeblack@google.com if (!read1((uint8_t *)&pfm, sizeof(PixelFormatMessage))) 49412020Sgabeblack@google.com return; 4957949SAli.Saidi@ARM.com 4967949SAli.Saidi@ARM.com DPRINTF(VNC, " -- bpp = %d; depth = %d; be = %d\n", pfm.px.bpp, 4977949SAli.Saidi@ARM.com pfm.px.depth, pfm.px.bigendian); 4987949SAli.Saidi@ARM.com DPRINTF(VNC, " -- true color = %d red,green,blue max = %d,%d,%d\n", 4997949SAli.Saidi@ARM.com pfm.px.truecolor, betoh(pfm.px.redmax), betoh(pfm.px.greenmax), 5007949SAli.Saidi@ARM.com betoh(pfm.px.bluemax)); 5017949SAli.Saidi@ARM.com DPRINTF(VNC, " -- red,green,blue shift = %d,%d,%d\n", pfm.px.redshift, 5027949SAli.Saidi@ARM.com pfm.px.greenshift, pfm.px.blueshift); 5037949SAli.Saidi@ARM.com 5047949SAli.Saidi@ARM.com if (betoh(pfm.px.bpp) != pixelFormat.bpp || 5057949SAli.Saidi@ARM.com betoh(pfm.px.depth) != pixelFormat.depth || 5067949SAli.Saidi@ARM.com betoh(pfm.px.bigendian) != pixelFormat.bigendian || 5077949SAli.Saidi@ARM.com betoh(pfm.px.truecolor) != pixelFormat.truecolor || 5087949SAli.Saidi@ARM.com betoh(pfm.px.redmax) != pixelFormat.redmax || 5097949SAli.Saidi@ARM.com betoh(pfm.px.greenmax) != pixelFormat.greenmax || 5107949SAli.Saidi@ARM.com betoh(pfm.px.bluemax) != pixelFormat.bluemax || 5117949SAli.Saidi@ARM.com betoh(pfm.px.redshift) != pixelFormat.redshift || 5127949SAli.Saidi@ARM.com betoh(pfm.px.greenshift) != pixelFormat.greenshift || 51312020Sgabeblack@google.com betoh(pfm.px.blueshift) != pixelFormat.blueshift) { 51412020Sgabeblack@google.com warn("VNC client doesn't support true color raw encoding\n"); 51512020Sgabeblack@google.com detach(); 51612020Sgabeblack@google.com } 5177949SAli.Saidi@ARM.com} 5187949SAli.Saidi@ARM.com 5197949SAli.Saidi@ARM.comvoid 5207949SAli.Saidi@ARM.comVncServer::setEncodings() 5217949SAli.Saidi@ARM.com{ 5227949SAli.Saidi@ARM.com DPRINTF(VNC, "Received supported encodings from client\n"); 5237949SAli.Saidi@ARM.com 5247949SAli.Saidi@ARM.com PixelEncodingsMessage pem; 52512020Sgabeblack@google.com if (!read1((uint8_t *)&pem, sizeof(PixelEncodingsMessage))) 52612020Sgabeblack@google.com return; 5277949SAli.Saidi@ARM.com 5287949SAli.Saidi@ARM.com pem.num_encodings = betoh(pem.num_encodings); 5297949SAli.Saidi@ARM.com 5307949SAli.Saidi@ARM.com DPRINTF(VNC, " -- %d encoding present\n", pem.num_encodings); 5317949SAli.Saidi@ARM.com supportsRawEnc = supportsResizeEnc = false; 5327949SAli.Saidi@ARM.com 5337949SAli.Saidi@ARM.com for (int x = 0; x < pem.num_encodings; x++) { 5347949SAli.Saidi@ARM.com int32_t encoding; 53512020Sgabeblack@google.com if (!read(&encoding)) 53612020Sgabeblack@google.com return; 5377949SAli.Saidi@ARM.com DPRINTF(VNC, " -- supports %d\n", betoh(encoding)); 5387949SAli.Saidi@ARM.com 5397949SAli.Saidi@ARM.com switch (betoh(encoding)) { 5407949SAli.Saidi@ARM.com case EncodingRaw: 5417949SAli.Saidi@ARM.com supportsRawEnc = true; 5427949SAli.Saidi@ARM.com break; 5437949SAli.Saidi@ARM.com case EncodingDesktopSize: 5447949SAli.Saidi@ARM.com supportsResizeEnc = true; 5457949SAli.Saidi@ARM.com break; 5467949SAli.Saidi@ARM.com } 5477949SAli.Saidi@ARM.com } 5487949SAli.Saidi@ARM.com 54912020Sgabeblack@google.com if (!supportsRawEnc) { 55012020Sgabeblack@google.com warn("VNC clients must always support raw encoding\n"); 55112020Sgabeblack@google.com detach(); 55212020Sgabeblack@google.com } 5537949SAli.Saidi@ARM.com} 5547949SAli.Saidi@ARM.com 5557949SAli.Saidi@ARM.comvoid 5567949SAli.Saidi@ARM.comVncServer::requestFbUpdate() 5577949SAli.Saidi@ARM.com{ 5587949SAli.Saidi@ARM.com DPRINTF(VNC, "Received frame buffer update request from client\n"); 5597949SAli.Saidi@ARM.com 5607949SAli.Saidi@ARM.com FrameBufferUpdateReq fbr; 56112020Sgabeblack@google.com if (!read1((uint8_t *)&fbr, sizeof(FrameBufferUpdateReq))) 56212020Sgabeblack@google.com return; 5637949SAli.Saidi@ARM.com 5647949SAli.Saidi@ARM.com fbr.x = betoh(fbr.x); 5657949SAli.Saidi@ARM.com fbr.y = betoh(fbr.y); 5667949SAli.Saidi@ARM.com fbr.width = betoh(fbr.width); 5677949SAli.Saidi@ARM.com fbr.height = betoh(fbr.height); 5687949SAli.Saidi@ARM.com 5697949SAli.Saidi@ARM.com DPRINTF(VNC, " -- x = %d y = %d w = %d h = %d\n", fbr.x, fbr.y, fbr.width, 5707949SAli.Saidi@ARM.com fbr.height); 5717949SAli.Saidi@ARM.com 5727949SAli.Saidi@ARM.com sendFrameBufferUpdate(); 5737949SAli.Saidi@ARM.com} 5747949SAli.Saidi@ARM.com 5757949SAli.Saidi@ARM.comvoid 5767949SAli.Saidi@ARM.comVncServer::recvKeyboardInput() 5777949SAli.Saidi@ARM.com{ 5787949SAli.Saidi@ARM.com DPRINTF(VNC, "Received keyboard input from client\n"); 5797949SAli.Saidi@ARM.com KeyEventMessage kem; 58012020Sgabeblack@google.com if (!read1((uint8_t *)&kem, sizeof(KeyEventMessage))) 58112020Sgabeblack@google.com return; 5827949SAli.Saidi@ARM.com 5837949SAli.Saidi@ARM.com kem.key = betoh(kem.key); 5847949SAli.Saidi@ARM.com DPRINTF(VNC, " -- received key code %d (%s)\n", kem.key, kem.down_flag ? 5857949SAli.Saidi@ARM.com "down" : "up"); 5867949SAli.Saidi@ARM.com 5877949SAli.Saidi@ARM.com if (keyboard) 5887949SAli.Saidi@ARM.com keyboard->keyPress(kem.key, kem.down_flag); 5897949SAli.Saidi@ARM.com} 5907949SAli.Saidi@ARM.com 5917949SAli.Saidi@ARM.comvoid 5927949SAli.Saidi@ARM.comVncServer::recvPointerInput() 5937949SAli.Saidi@ARM.com{ 5947949SAli.Saidi@ARM.com DPRINTF(VNC, "Received pointer input from client\n"); 5957949SAli.Saidi@ARM.com PointerEventMessage pem; 5967949SAli.Saidi@ARM.com 59712020Sgabeblack@google.com if (!read1((uint8_t *)&pem, sizeof(PointerEventMessage))) 59812020Sgabeblack@google.com return; 5997949SAli.Saidi@ARM.com 6007949SAli.Saidi@ARM.com pem.x = betoh(pem.x); 6017949SAli.Saidi@ARM.com pem.y = betoh(pem.y); 6027949SAli.Saidi@ARM.com DPRINTF(VNC, " -- pointer at x = %d y = %d buttons = %#x\n", pem.x, pem.y, 6037949SAli.Saidi@ARM.com pem.button_mask); 6047949SAli.Saidi@ARM.com 6057949SAli.Saidi@ARM.com if (mouse) 6067949SAli.Saidi@ARM.com mouse->mouseAt(pem.x, pem.y, pem.button_mask); 6077949SAli.Saidi@ARM.com} 6087949SAli.Saidi@ARM.com 6097949SAli.Saidi@ARM.comvoid 6107949SAli.Saidi@ARM.comVncServer::recvCutText() 6117949SAli.Saidi@ARM.com{ 6127949SAli.Saidi@ARM.com DPRINTF(VNC, "Received client copy buffer message\n"); 6137949SAli.Saidi@ARM.com 6147949SAli.Saidi@ARM.com ClientCutTextMessage cct; 61512020Sgabeblack@google.com if (!read1((uint8_t *)&cct, sizeof(ClientCutTextMessage))) 61612020Sgabeblack@google.com return; 6177949SAli.Saidi@ARM.com 6187949SAli.Saidi@ARM.com char str[1025]; 6197949SAli.Saidi@ARM.com size_t data_len = betoh(cct.length); 6207949SAli.Saidi@ARM.com DPRINTF(VNC, "String length %d\n", data_len); 6217949SAli.Saidi@ARM.com while (data_len > 0) { 6227949SAli.Saidi@ARM.com size_t bytes_to_read = data_len > 1024 ? 1024 : data_len; 62312020Sgabeblack@google.com if (!read((uint8_t *)&str, bytes_to_read)) 62412020Sgabeblack@google.com return; 6257949SAli.Saidi@ARM.com str[bytes_to_read] = 0; 62612020Sgabeblack@google.com data_len -= bytes_to_read; 6277949SAli.Saidi@ARM.com DPRINTF(VNC, "Buffer: %s\n", str); 6287949SAli.Saidi@ARM.com } 6297949SAli.Saidi@ARM.com 6307949SAli.Saidi@ARM.com} 6317949SAli.Saidi@ARM.com 6327949SAli.Saidi@ARM.com 6337949SAli.Saidi@ARM.comvoid 6347949SAli.Saidi@ARM.comVncServer::sendFrameBufferUpdate() 6357949SAli.Saidi@ARM.com{ 6367949SAli.Saidi@ARM.com 63710839Sandreas.sandberg@arm.com if (dataFd <= 0 || curState != NormalPhase || !sendUpdate) { 6387949SAli.Saidi@ARM.com DPRINTF(VNC, "NOT sending framebuffer update\n"); 6397949SAli.Saidi@ARM.com return; 6407949SAli.Saidi@ARM.com } 6417949SAli.Saidi@ARM.com 6427949SAli.Saidi@ARM.com // The client will request data constantly, unless we throttle it 6437949SAli.Saidi@ARM.com sendUpdate = false; 6447949SAli.Saidi@ARM.com 6457949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending framebuffer update\n"); 6467949SAli.Saidi@ARM.com 6477949SAli.Saidi@ARM.com FrameBufferUpdate fbu; 6487949SAli.Saidi@ARM.com FrameBufferRect fbr; 6497949SAli.Saidi@ARM.com 6507949SAli.Saidi@ARM.com fbu.type = ServerFrameBufferUpdate; 6517949SAli.Saidi@ARM.com fbu.num_rects = 1; 6527949SAli.Saidi@ARM.com fbr.x = 0; 6537949SAli.Saidi@ARM.com fbr.y = 0; 6547949SAli.Saidi@ARM.com fbr.width = videoWidth(); 6557949SAli.Saidi@ARM.com fbr.height = videoHeight(); 6567949SAli.Saidi@ARM.com fbr.encoding = EncodingRaw; 6577949SAli.Saidi@ARM.com 6587949SAli.Saidi@ARM.com // fix up endian 6597949SAli.Saidi@ARM.com fbu.num_rects = htobe(fbu.num_rects); 6607949SAli.Saidi@ARM.com fbr.x = htobe(fbr.x); 6617949SAli.Saidi@ARM.com fbr.y = htobe(fbr.y); 6627949SAli.Saidi@ARM.com fbr.width = htobe(fbr.width); 6637949SAli.Saidi@ARM.com fbr.height = htobe(fbr.height); 6647949SAli.Saidi@ARM.com fbr.encoding = htobe(fbr.encoding); 6657949SAli.Saidi@ARM.com 6667949SAli.Saidi@ARM.com // send headers to client 66712020Sgabeblack@google.com if (!write(&fbu) || !write(&fbr)) 66812020Sgabeblack@google.com return; 6697949SAli.Saidi@ARM.com 67010839Sandreas.sandberg@arm.com assert(fb); 6717949SAli.Saidi@ARM.com 67210839Sandreas.sandberg@arm.com std::vector<uint8_t> line_buffer(pixelConverter.length * fb->width()); 67310839Sandreas.sandberg@arm.com for (int y = 0; y < fb->height(); ++y) { 67410839Sandreas.sandberg@arm.com // Convert and send a line at a time 67510839Sandreas.sandberg@arm.com uint8_t *raw_pixel(line_buffer.data()); 67610839Sandreas.sandberg@arm.com for (unsigned x = 0; x < fb->width(); ++x) { 67710839Sandreas.sandberg@arm.com pixelConverter.fromPixel(raw_pixel, fb->pixel(x, y)); 67810839Sandreas.sandberg@arm.com raw_pixel += pixelConverter.length; 67910839Sandreas.sandberg@arm.com } 6807949SAli.Saidi@ARM.com 68112020Sgabeblack@google.com if (!write(line_buffer.data(), line_buffer.size())) 68212020Sgabeblack@google.com return; 68310839Sandreas.sandberg@arm.com } 6847949SAli.Saidi@ARM.com} 6857949SAli.Saidi@ARM.com 6867949SAli.Saidi@ARM.comvoid 6877949SAli.Saidi@ARM.comVncServer::sendFrameBufferResized() 6887949SAli.Saidi@ARM.com{ 68910839Sandreas.sandberg@arm.com assert(fb && dataFd > 0 && curState == NormalPhase); 6907949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending framebuffer resize\n"); 6917949SAli.Saidi@ARM.com 6927949SAli.Saidi@ARM.com FrameBufferUpdate fbu; 6937949SAli.Saidi@ARM.com FrameBufferRect fbr; 6947949SAli.Saidi@ARM.com 6957949SAli.Saidi@ARM.com fbu.type = ServerFrameBufferUpdate; 6967949SAli.Saidi@ARM.com fbu.num_rects = 1; 6977949SAli.Saidi@ARM.com fbr.x = 0; 6987949SAli.Saidi@ARM.com fbr.y = 0; 6997949SAli.Saidi@ARM.com fbr.width = videoWidth(); 7007949SAli.Saidi@ARM.com fbr.height = videoHeight(); 7017949SAli.Saidi@ARM.com fbr.encoding = EncodingDesktopSize; 7027949SAli.Saidi@ARM.com 7037949SAli.Saidi@ARM.com // fix up endian 7047949SAli.Saidi@ARM.com fbu.num_rects = htobe(fbu.num_rects); 7057949SAli.Saidi@ARM.com fbr.x = htobe(fbr.x); 7067949SAli.Saidi@ARM.com fbr.y = htobe(fbr.y); 7077949SAli.Saidi@ARM.com fbr.width = htobe(fbr.width); 7087949SAli.Saidi@ARM.com fbr.height = htobe(fbr.height); 7097949SAli.Saidi@ARM.com fbr.encoding = htobe(fbr.encoding); 7107949SAli.Saidi@ARM.com 7117949SAli.Saidi@ARM.com // send headers to client 71212020Sgabeblack@google.com if (!write(&fbu)) 71312020Sgabeblack@google.com return; 7147949SAli.Saidi@ARM.com write(&fbr); 7157949SAli.Saidi@ARM.com 7167949SAli.Saidi@ARM.com // No actual data is sent in this message 7177949SAli.Saidi@ARM.com} 7187949SAli.Saidi@ARM.com 7197949SAli.Saidi@ARM.comvoid 72010839Sandreas.sandberg@arm.comVncServer::setDirty() 7217949SAli.Saidi@ARM.com{ 72210839Sandreas.sandberg@arm.com VncInput::setDirty(); 7237949SAli.Saidi@ARM.com 72410839Sandreas.sandberg@arm.com sendUpdate = true; 72510839Sandreas.sandberg@arm.com sendFrameBufferUpdate(); 72610839Sandreas.sandberg@arm.com} 72710839Sandreas.sandberg@arm.com 72810839Sandreas.sandberg@arm.comvoid 72910839Sandreas.sandberg@arm.comVncServer::frameBufferResized() 73010839Sandreas.sandberg@arm.com{ 73110839Sandreas.sandberg@arm.com if (dataFd > 0 && curState == NormalPhase) { 73210839Sandreas.sandberg@arm.com if (supportsResizeEnc) 73310839Sandreas.sandberg@arm.com sendFrameBufferResized(); 73410839Sandreas.sandberg@arm.com else 73510839Sandreas.sandberg@arm.com // The frame buffer changed size and we can't update the client 73610839Sandreas.sandberg@arm.com detach(); 7377949SAli.Saidi@ARM.com } 7387949SAli.Saidi@ARM.com} 7397949SAli.Saidi@ARM.com 7407949SAli.Saidi@ARM.com// create the VNC server object 7417949SAli.Saidi@ARM.comVncServer * 7427949SAli.Saidi@ARM.comVncServerParams::create() 7437949SAli.Saidi@ARM.com{ 7447949SAli.Saidi@ARM.com return new VncServer(this); 7457949SAli.Saidi@ARM.com} 7468635Schris.emmons@arm.com 747