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" 6712334Sgabeblack@google.com#include "base/logging.hh" 688635Schris.emmons@arm.com#include "base/output.hh" 697949SAli.Saidi@ARM.com#include "base/socket.hh" 707949SAli.Saidi@ARM.com#include "base/trace.hh" 718232Snate@binkert.org#include "debug/VNC.hh" 727949SAli.Saidi@ARM.com#include "sim/byteswap.hh" 738635Schris.emmons@arm.com#include "sim/core.hh" 747949SAli.Saidi@ARM.com 757949SAli.Saidi@ARM.comusing namespace std; 767949SAli.Saidi@ARM.com 7710839Sandreas.sandberg@arm.comconst PixelConverter VncServer::pixelConverter( 7810839Sandreas.sandberg@arm.com 4, // 4 bytes / pixel 7910839Sandreas.sandberg@arm.com 16, 8, 0, // R in [23, 16], G in [15, 8], B in [7, 0] 8010839Sandreas.sandberg@arm.com 8, 8, 8, // 8 bits / channel 8110839Sandreas.sandberg@arm.com LittleEndianByteOrder); 8210839Sandreas.sandberg@arm.com 839330Schander.sudanthi@arm.com/** @file 849330Schander.sudanthi@arm.com * Implementiation of a VNC server 859330Schander.sudanthi@arm.com */ 869330Schander.sudanthi@arm.com 877949SAli.Saidi@ARM.com/** 887949SAli.Saidi@ARM.com * Poll event for the listen socket 897949SAli.Saidi@ARM.com */ 907949SAli.Saidi@ARM.comVncServer::ListenEvent::ListenEvent(VncServer *vs, int fd, int e) 917949SAli.Saidi@ARM.com : PollEvent(fd, e), vncserver(vs) 927949SAli.Saidi@ARM.com{ 937949SAli.Saidi@ARM.com} 947949SAli.Saidi@ARM.com 957949SAli.Saidi@ARM.comvoid 967949SAli.Saidi@ARM.comVncServer::ListenEvent::process(int revent) 977949SAli.Saidi@ARM.com{ 987949SAli.Saidi@ARM.com vncserver->accept(); 997949SAli.Saidi@ARM.com} 1007949SAli.Saidi@ARM.com 1017949SAli.Saidi@ARM.com/** 1027949SAli.Saidi@ARM.com * Poll event for the data socket 1037949SAli.Saidi@ARM.com */ 1047949SAli.Saidi@ARM.comVncServer::DataEvent::DataEvent(VncServer *vs, int fd, int e) 1057949SAli.Saidi@ARM.com : PollEvent(fd, e), vncserver(vs) 1067949SAli.Saidi@ARM.com{ 1077949SAli.Saidi@ARM.com} 1087949SAli.Saidi@ARM.com 1097949SAli.Saidi@ARM.comvoid 1107949SAli.Saidi@ARM.comVncServer::DataEvent::process(int revent) 1117949SAli.Saidi@ARM.com{ 1127949SAli.Saidi@ARM.com if (revent & POLLIN) 1137949SAli.Saidi@ARM.com vncserver->data(); 1147949SAli.Saidi@ARM.com else if (revent & POLLNVAL) 1157949SAli.Saidi@ARM.com vncserver->detach(); 1167949SAli.Saidi@ARM.com} 1177949SAli.Saidi@ARM.com 1187949SAli.Saidi@ARM.com/** 1197949SAli.Saidi@ARM.com * VncServer 1207949SAli.Saidi@ARM.com */ 1217949SAli.Saidi@ARM.comVncServer::VncServer(const Params *p) 1229330Schander.sudanthi@arm.com : VncInput(p), listenEvent(NULL), dataEvent(NULL), number(p->number), 12310360Sandreas.hansson@arm.com dataFd(-1), sendUpdate(false), 12410360Sandreas.hansson@arm.com supportsRawEnc(false), supportsResizeEnc(false) 1257949SAli.Saidi@ARM.com{ 1267949SAli.Saidi@ARM.com if (p->port) 1277949SAli.Saidi@ARM.com listen(p->port); 1287949SAli.Saidi@ARM.com 1297949SAli.Saidi@ARM.com curState = WaitForProtocolVersion; 1307949SAli.Saidi@ARM.com 13110839Sandreas.sandberg@arm.com // We currently only support one pixel format. Extract the pixel 13210839Sandreas.sandberg@arm.com // representation from our PixelConverter instance and keep it 13310839Sandreas.sandberg@arm.com // around for telling the client and making sure it cooperates 13410839Sandreas.sandberg@arm.com pixelFormat.bpp = 8 * pixelConverter.length; 13510839Sandreas.sandberg@arm.com pixelFormat.depth = pixelConverter.depth; 13610839Sandreas.sandberg@arm.com pixelFormat.bigendian = pixelConverter.byte_order == BigEndianByteOrder; 1377949SAli.Saidi@ARM.com pixelFormat.truecolor = 1; 13810839Sandreas.sandberg@arm.com pixelFormat.redmax = pixelConverter.ch_r.mask; 13910839Sandreas.sandberg@arm.com pixelFormat.greenmax = pixelConverter.ch_g.mask; 14010839Sandreas.sandberg@arm.com pixelFormat.bluemax = pixelConverter.ch_b.mask; 14110839Sandreas.sandberg@arm.com pixelFormat.redshift = pixelConverter.ch_r.offset; 14210839Sandreas.sandberg@arm.com pixelFormat.greenshift = pixelConverter.ch_g.offset; 14310839Sandreas.sandberg@arm.com pixelFormat.blueshift = pixelConverter.ch_b.offset; 1447949SAli.Saidi@ARM.com 1457949SAli.Saidi@ARM.com DPRINTF(VNC, "Vnc server created at port %d\n", p->port); 1467949SAli.Saidi@ARM.com} 1477949SAli.Saidi@ARM.com 1487949SAli.Saidi@ARM.comVncServer::~VncServer() 1497949SAli.Saidi@ARM.com{ 1507949SAli.Saidi@ARM.com if (dataFd != -1) 1517949SAli.Saidi@ARM.com ::close(dataFd); 1527949SAli.Saidi@ARM.com 1537949SAli.Saidi@ARM.com if (listenEvent) 1547949SAli.Saidi@ARM.com delete listenEvent; 1557949SAli.Saidi@ARM.com 1567949SAli.Saidi@ARM.com if (dataEvent) 1577949SAli.Saidi@ARM.com delete dataEvent; 1587949SAli.Saidi@ARM.com} 1597949SAli.Saidi@ARM.com 1607949SAli.Saidi@ARM.com 1617949SAli.Saidi@ARM.com//socket creation and vnc client attach 1627949SAli.Saidi@ARM.comvoid 1637949SAli.Saidi@ARM.comVncServer::listen(int port) 1647949SAli.Saidi@ARM.com{ 1657949SAli.Saidi@ARM.com if (ListenSocket::allDisabled()) { 1667949SAli.Saidi@ARM.com warn_once("Sockets disabled, not accepting vnc client connections"); 1677949SAli.Saidi@ARM.com return; 1687949SAli.Saidi@ARM.com } 1697949SAli.Saidi@ARM.com 1707949SAli.Saidi@ARM.com while (!listener.listen(port, true)) { 1717949SAli.Saidi@ARM.com DPRINTF(VNC, 1727949SAli.Saidi@ARM.com "can't bind address vnc server port %d in use PID %d\n", 1737949SAli.Saidi@ARM.com port, getpid()); 1747949SAli.Saidi@ARM.com port++; 1757949SAli.Saidi@ARM.com } 1767949SAli.Saidi@ARM.com 17712693Sandreas.sandberg@arm.com ccprintf(cerr, "%s: Listening for connections on port %d\n", 17812693Sandreas.sandberg@arm.com name(), port); 1797949SAli.Saidi@ARM.com 1807949SAli.Saidi@ARM.com listenEvent = new ListenEvent(this, listener.getfd(), POLLIN); 1817949SAli.Saidi@ARM.com pollQueue.schedule(listenEvent); 1827949SAli.Saidi@ARM.com} 1837949SAli.Saidi@ARM.com 1847949SAli.Saidi@ARM.com// attach a vnc client 1857949SAli.Saidi@ARM.comvoid 1867949SAli.Saidi@ARM.comVncServer::accept() 1877949SAli.Saidi@ARM.com{ 18810156Sandreas@sandberg.pp.se // As a consequence of being called from the PollQueue, we might 18910156Sandreas@sandberg.pp.se // have been called from a different thread. Migrate to "our" 19010156Sandreas@sandberg.pp.se // thread. 19110156Sandreas@sandberg.pp.se EventQueue::ScopedMigration migrate(eventQueue()); 19210156Sandreas@sandberg.pp.se 1937949SAli.Saidi@ARM.com if (!listener.islistening()) 1947949SAli.Saidi@ARM.com panic("%s: cannot accept a connection if not listening!", name()); 1957949SAli.Saidi@ARM.com 1967949SAli.Saidi@ARM.com int fd = listener.accept(true); 19712020Sgabeblack@google.com if (fd < 0) { 19812020Sgabeblack@google.com warn("%s: failed to accept VNC connection!", name()); 19912020Sgabeblack@google.com return; 20012020Sgabeblack@google.com } 20110422Sandreas.hansson@arm.com 2027949SAli.Saidi@ARM.com if (dataFd != -1) { 2037949SAli.Saidi@ARM.com char message[] = "vnc server already attached!\n"; 2047949SAli.Saidi@ARM.com atomic_write(fd, message, sizeof(message)); 2057949SAli.Saidi@ARM.com ::close(fd); 2067949SAli.Saidi@ARM.com return; 2077949SAli.Saidi@ARM.com } 2087949SAli.Saidi@ARM.com 2097949SAli.Saidi@ARM.com dataFd = fd; 2107949SAli.Saidi@ARM.com 2117949SAli.Saidi@ARM.com // Send our version number to the client 21212020Sgabeblack@google.com write((uint8_t *)vncVersion(), strlen(vncVersion())); 2137949SAli.Saidi@ARM.com 2147949SAli.Saidi@ARM.com // read the client response 2157949SAli.Saidi@ARM.com dataEvent = new DataEvent(this, dataFd, POLLIN); 2167949SAli.Saidi@ARM.com pollQueue.schedule(dataEvent); 2177949SAli.Saidi@ARM.com 2187949SAli.Saidi@ARM.com inform("VNC client attached\n"); 2197949SAli.Saidi@ARM.com} 2207949SAli.Saidi@ARM.com 2217949SAli.Saidi@ARM.com// data called by data event 2227949SAli.Saidi@ARM.comvoid 2237949SAli.Saidi@ARM.comVncServer::data() 2247949SAli.Saidi@ARM.com{ 2257949SAli.Saidi@ARM.com // We have new data, see if we can handle it 2267949SAli.Saidi@ARM.com DPRINTF(VNC, "Vnc client message recieved\n"); 2277949SAli.Saidi@ARM.com 2287949SAli.Saidi@ARM.com switch (curState) { 2297949SAli.Saidi@ARM.com case WaitForProtocolVersion: 2307949SAli.Saidi@ARM.com checkProtocolVersion(); 2317949SAli.Saidi@ARM.com break; 2327949SAli.Saidi@ARM.com case WaitForSecurityResponse: 2337949SAli.Saidi@ARM.com checkSecurity(); 2347949SAli.Saidi@ARM.com break; 2357949SAli.Saidi@ARM.com case WaitForClientInit: 2367949SAli.Saidi@ARM.com // Don't care about shared, just need to read it out of the socket 2377949SAli.Saidi@ARM.com uint8_t shared; 23812020Sgabeblack@google.com if (!read(&shared)) 23912020Sgabeblack@google.com return; 2407949SAli.Saidi@ARM.com 2417949SAli.Saidi@ARM.com // Send our idea of the frame buffer 2427949SAli.Saidi@ARM.com sendServerInit(); 2437949SAli.Saidi@ARM.com 2447949SAli.Saidi@ARM.com break; 2457949SAli.Saidi@ARM.com case NormalPhase: 2467949SAli.Saidi@ARM.com uint8_t message_type; 24712020Sgabeblack@google.com if (!read(&message_type)) 2487949SAli.Saidi@ARM.com return; 2497949SAli.Saidi@ARM.com 2507949SAli.Saidi@ARM.com switch (message_type) { 2517949SAli.Saidi@ARM.com case ClientSetPixelFormat: 2527949SAli.Saidi@ARM.com setPixelFormat(); 2537949SAli.Saidi@ARM.com break; 2547949SAli.Saidi@ARM.com case ClientSetEncodings: 2557949SAli.Saidi@ARM.com setEncodings(); 2567949SAli.Saidi@ARM.com break; 2577949SAli.Saidi@ARM.com case ClientFrameBufferUpdate: 2588871SChander.Sudanthi@arm.com requestFbUpdate(); 2598871SChander.Sudanthi@arm.com break; 2607949SAli.Saidi@ARM.com case ClientKeyEvent: 2618871SChander.Sudanthi@arm.com recvKeyboardInput(); 2628871SChander.Sudanthi@arm.com break; 2637949SAli.Saidi@ARM.com case ClientPointerEvent: 2648871SChander.Sudanthi@arm.com recvPointerInput(); 2658871SChander.Sudanthi@arm.com break; 2667949SAli.Saidi@ARM.com case ClientCutText: 2678871SChander.Sudanthi@arm.com recvCutText(); 2688871SChander.Sudanthi@arm.com break; 2697949SAli.Saidi@ARM.com default: 27012020Sgabeblack@google.com warn("Unimplemented message type recv from client: %d\n", 27112020Sgabeblack@google.com message_type); 27212020Sgabeblack@google.com detach(); 2738871SChander.Sudanthi@arm.com break; 2747949SAli.Saidi@ARM.com } 2757949SAli.Saidi@ARM.com break; 2767949SAli.Saidi@ARM.com default: 2777949SAli.Saidi@ARM.com panic("Unknown vnc server state\n"); 2787949SAli.Saidi@ARM.com } 2797949SAli.Saidi@ARM.com} 2807949SAli.Saidi@ARM.com 2817949SAli.Saidi@ARM.com 2827949SAli.Saidi@ARM.com// read from socket 28312020Sgabeblack@google.combool 2847949SAli.Saidi@ARM.comVncServer::read(uint8_t *buf, size_t len) 2857949SAli.Saidi@ARM.com{ 2867949SAli.Saidi@ARM.com if (dataFd < 0) 2877949SAli.Saidi@ARM.com panic("vnc not properly attached.\n"); 2887949SAli.Saidi@ARM.com 2897949SAli.Saidi@ARM.com size_t ret; 2907949SAli.Saidi@ARM.com do { 2917949SAli.Saidi@ARM.com ret = ::read(dataFd, buf, len); 2927949SAli.Saidi@ARM.com } while (ret == -1 && errno == EINTR); 2937949SAli.Saidi@ARM.com 2947949SAli.Saidi@ARM.com 29512020Sgabeblack@google.com if (ret != len) { 29612020Sgabeblack@google.com DPRINTF(VNC, "Read failed %d.\n", ret); 2977949SAli.Saidi@ARM.com detach(); 29812020Sgabeblack@google.com return false; 2997949SAli.Saidi@ARM.com } 3007949SAli.Saidi@ARM.com 30112020Sgabeblack@google.com return true; 3027949SAli.Saidi@ARM.com} 3037949SAli.Saidi@ARM.com 30412020Sgabeblack@google.combool 3057949SAli.Saidi@ARM.comVncServer::read1(uint8_t *buf, size_t len) 3067949SAli.Saidi@ARM.com{ 30712020Sgabeblack@google.com return read(buf + 1, len - 1); 3087949SAli.Saidi@ARM.com} 3097949SAli.Saidi@ARM.com 3107949SAli.Saidi@ARM.com 3117949SAli.Saidi@ARM.comtemplate<typename T> 31212020Sgabeblack@google.combool 3137949SAli.Saidi@ARM.comVncServer::read(T* val) 3147949SAli.Saidi@ARM.com{ 31512020Sgabeblack@google.com return read((uint8_t *)val, sizeof(T)); 3167949SAli.Saidi@ARM.com} 3177949SAli.Saidi@ARM.com 3187949SAli.Saidi@ARM.com// write to socket 31912020Sgabeblack@google.combool 3207949SAli.Saidi@ARM.comVncServer::write(const uint8_t *buf, size_t len) 3217949SAli.Saidi@ARM.com{ 3227949SAli.Saidi@ARM.com if (dataFd < 0) 3237949SAli.Saidi@ARM.com panic("Vnc client not properly attached.\n"); 3247949SAli.Saidi@ARM.com 32512020Sgabeblack@google.com ssize_t ret = atomic_write(dataFd, buf, len); 3267949SAli.Saidi@ARM.com 32712020Sgabeblack@google.com if (ret != len) { 32812020Sgabeblack@google.com DPRINTF(VNC, "Write failed.\n"); 3297949SAli.Saidi@ARM.com detach(); 33012020Sgabeblack@google.com return false; 33112020Sgabeblack@google.com } 3327949SAli.Saidi@ARM.com 33312020Sgabeblack@google.com return true; 3347949SAli.Saidi@ARM.com} 3357949SAli.Saidi@ARM.com 3367949SAli.Saidi@ARM.comtemplate<typename T> 33712020Sgabeblack@google.combool 3387949SAli.Saidi@ARM.comVncServer::write(T* val) 3397949SAli.Saidi@ARM.com{ 34012020Sgabeblack@google.com return write((uint8_t *)val, sizeof(T)); 3417949SAli.Saidi@ARM.com} 3427949SAli.Saidi@ARM.com 34312020Sgabeblack@google.combool 3447949SAli.Saidi@ARM.comVncServer::write(const char* str) 3457949SAli.Saidi@ARM.com{ 34612020Sgabeblack@google.com return write((uint8_t *)str, strlen(str)); 3477949SAli.Saidi@ARM.com} 3487949SAli.Saidi@ARM.com 3497949SAli.Saidi@ARM.com// detach a vnc client 3507949SAli.Saidi@ARM.comvoid 3517949SAli.Saidi@ARM.comVncServer::detach() 3527949SAli.Saidi@ARM.com{ 3537949SAli.Saidi@ARM.com if (dataFd != -1) { 3547949SAli.Saidi@ARM.com ::close(dataFd); 3557949SAli.Saidi@ARM.com dataFd = -1; 3567949SAli.Saidi@ARM.com } 3577949SAli.Saidi@ARM.com 3587949SAli.Saidi@ARM.com if (!dataEvent || !dataEvent->queued()) 3597949SAli.Saidi@ARM.com return; 3607949SAli.Saidi@ARM.com 3617949SAli.Saidi@ARM.com pollQueue.remove(dataEvent); 3627949SAli.Saidi@ARM.com delete dataEvent; 3637949SAli.Saidi@ARM.com dataEvent = NULL; 3647949SAli.Saidi@ARM.com curState = WaitForProtocolVersion; 3657949SAli.Saidi@ARM.com 3667949SAli.Saidi@ARM.com inform("VNC client detached\n"); 3677949SAli.Saidi@ARM.com DPRINTF(VNC, "detach vnc client %d\n", number); 3687949SAli.Saidi@ARM.com} 3697949SAli.Saidi@ARM.com 3707949SAli.Saidi@ARM.comvoid 3717949SAli.Saidi@ARM.comVncServer::sendError(const char* error_msg) 3727949SAli.Saidi@ARM.com{ 3737949SAli.Saidi@ARM.com uint32_t len = strlen(error_msg); 37412020Sgabeblack@google.com if (!write(&len)) 37512020Sgabeblack@google.com return; 3767949SAli.Saidi@ARM.com write(error_msg); 3777949SAli.Saidi@ARM.com} 3787949SAli.Saidi@ARM.com 3797949SAli.Saidi@ARM.comvoid 3807949SAli.Saidi@ARM.comVncServer::checkProtocolVersion() 3817949SAli.Saidi@ARM.com{ 3827949SAli.Saidi@ARM.com assert(curState == WaitForProtocolVersion); 3837949SAli.Saidi@ARM.com 3847949SAli.Saidi@ARM.com size_t len M5_VAR_USED; 3857949SAli.Saidi@ARM.com char version_string[13]; 3867949SAli.Saidi@ARM.com 3877949SAli.Saidi@ARM.com // Null terminate the message so it's easier to work with 3887949SAli.Saidi@ARM.com version_string[12] = 0; 3897949SAli.Saidi@ARM.com 39012020Sgabeblack@google.com if (!read((uint8_t *)version_string, sizeof(version_string) - 1)) { 39112020Sgabeblack@google.com warn("Failed to read protocol version."); 39212020Sgabeblack@google.com return; 39312020Sgabeblack@google.com } 3947949SAli.Saidi@ARM.com 3957949SAli.Saidi@ARM.com uint32_t major, minor; 3967949SAli.Saidi@ARM.com 3977949SAli.Saidi@ARM.com // Figure out the major/minor numbers 3987949SAli.Saidi@ARM.com if (sscanf(version_string, "RFB %03d.%03d\n", &major, &minor) != 2) { 3997949SAli.Saidi@ARM.com warn(" Malformed protocol version %s\n", version_string); 4007949SAli.Saidi@ARM.com sendError("Malformed protocol version\n"); 4017949SAli.Saidi@ARM.com detach(); 40212020Sgabeblack@google.com return; 4037949SAli.Saidi@ARM.com } 4047949SAli.Saidi@ARM.com 4057949SAli.Saidi@ARM.com DPRINTF(VNC, "Client request protocol version %d.%d\n", major, minor); 4067949SAli.Saidi@ARM.com 4077949SAli.Saidi@ARM.com // If it's not 3.X we don't support it 4087949SAli.Saidi@ARM.com if (major != 3 || minor < 2) { 4097949SAli.Saidi@ARM.com warn("Unsupported VNC client version... disconnecting\n"); 4107949SAli.Saidi@ARM.com uint8_t err = AuthInvalid; 4117949SAli.Saidi@ARM.com write(&err); 4127949SAli.Saidi@ARM.com detach(); 41312020Sgabeblack@google.com return; 4147949SAli.Saidi@ARM.com } 4157949SAli.Saidi@ARM.com // Auth is different based on version number 4167949SAli.Saidi@ARM.com if (minor < 7) { 4177949SAli.Saidi@ARM.com uint32_t sec_type = htobe((uint32_t)AuthNone); 41812020Sgabeblack@google.com if (!write(&sec_type)) 41912020Sgabeblack@google.com return; 4207949SAli.Saidi@ARM.com } else { 4217949SAli.Saidi@ARM.com uint8_t sec_cnt = 1; 4227949SAli.Saidi@ARM.com uint8_t sec_type = htobe((uint8_t)AuthNone); 42312020Sgabeblack@google.com if (!write(&sec_cnt) || !write(&sec_type)) 42412020Sgabeblack@google.com return; 4257949SAli.Saidi@ARM.com } 4267949SAli.Saidi@ARM.com 4277949SAli.Saidi@ARM.com // Wait for client to respond 4287949SAli.Saidi@ARM.com curState = WaitForSecurityResponse; 4297949SAli.Saidi@ARM.com} 4307949SAli.Saidi@ARM.com 4317949SAli.Saidi@ARM.comvoid 4327949SAli.Saidi@ARM.comVncServer::checkSecurity() 4337949SAli.Saidi@ARM.com{ 4347949SAli.Saidi@ARM.com assert(curState == WaitForSecurityResponse); 4357949SAli.Saidi@ARM.com 4367949SAli.Saidi@ARM.com uint8_t security_type; 43712020Sgabeblack@google.com if (!read(&security_type)) 43812020Sgabeblack@google.com return; 4397949SAli.Saidi@ARM.com 4407949SAli.Saidi@ARM.com if (security_type != AuthNone) { 4417949SAli.Saidi@ARM.com warn("Unknown VNC security type\n"); 4427949SAli.Saidi@ARM.com sendError("Unknown security type\n"); 4437949SAli.Saidi@ARM.com } 4447949SAli.Saidi@ARM.com 4457949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending security auth OK\n"); 4467949SAli.Saidi@ARM.com 4477949SAli.Saidi@ARM.com uint32_t success = htobe(VncOK); 44812020Sgabeblack@google.com if (!write(&success)) 44912020Sgabeblack@google.com return; 4507949SAli.Saidi@ARM.com curState = WaitForClientInit; 4517949SAli.Saidi@ARM.com} 4527949SAli.Saidi@ARM.com 4537949SAli.Saidi@ARM.comvoid 4547949SAli.Saidi@ARM.comVncServer::sendServerInit() 4557949SAli.Saidi@ARM.com{ 4567949SAli.Saidi@ARM.com ServerInitMsg msg; 4577949SAli.Saidi@ARM.com 4587949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending server init message to client\n"); 4597949SAli.Saidi@ARM.com 4607949SAli.Saidi@ARM.com msg.fbWidth = htobe(videoWidth()); 4617949SAli.Saidi@ARM.com msg.fbHeight = htobe(videoHeight()); 4627949SAli.Saidi@ARM.com 4637949SAli.Saidi@ARM.com msg.px.bpp = htobe(pixelFormat.bpp); 4647949SAli.Saidi@ARM.com msg.px.depth = htobe(pixelFormat.depth); 4657949SAli.Saidi@ARM.com msg.px.bigendian = htobe(pixelFormat.bigendian); 4667949SAli.Saidi@ARM.com msg.px.truecolor = htobe(pixelFormat.truecolor); 4677949SAli.Saidi@ARM.com msg.px.redmax = htobe(pixelFormat.redmax); 4687949SAli.Saidi@ARM.com msg.px.greenmax = htobe(pixelFormat.greenmax); 4697949SAli.Saidi@ARM.com msg.px.bluemax = htobe(pixelFormat.bluemax); 4707949SAli.Saidi@ARM.com msg.px.redshift = htobe(pixelFormat.redshift); 4717949SAli.Saidi@ARM.com msg.px.greenshift = htobe(pixelFormat.greenshift); 4727949SAli.Saidi@ARM.com msg.px.blueshift = htobe(pixelFormat.blueshift); 4737949SAli.Saidi@ARM.com memset(msg.px.padding, 0, 3); 4747949SAli.Saidi@ARM.com msg.namelen = 2; 4757949SAli.Saidi@ARM.com msg.namelen = htobe(msg.namelen); 4767949SAli.Saidi@ARM.com memcpy(msg.name, "M5", 2); 4777949SAli.Saidi@ARM.com 47812020Sgabeblack@google.com if (!write(&msg)) 47912020Sgabeblack@google.com return; 4807949SAli.Saidi@ARM.com curState = NormalPhase; 4817949SAli.Saidi@ARM.com} 4827949SAli.Saidi@ARM.com 4837949SAli.Saidi@ARM.comvoid 4847949SAli.Saidi@ARM.comVncServer::setPixelFormat() 4857949SAli.Saidi@ARM.com{ 4867949SAli.Saidi@ARM.com DPRINTF(VNC, "Received pixel format from client message\n"); 4877949SAli.Saidi@ARM.com 4887949SAli.Saidi@ARM.com PixelFormatMessage pfm; 48912020Sgabeblack@google.com if (!read1((uint8_t *)&pfm, sizeof(PixelFormatMessage))) 49012020Sgabeblack@google.com return; 4917949SAli.Saidi@ARM.com 4927949SAli.Saidi@ARM.com DPRINTF(VNC, " -- bpp = %d; depth = %d; be = %d\n", pfm.px.bpp, 4937949SAli.Saidi@ARM.com pfm.px.depth, pfm.px.bigendian); 4947949SAli.Saidi@ARM.com DPRINTF(VNC, " -- true color = %d red,green,blue max = %d,%d,%d\n", 4957949SAli.Saidi@ARM.com pfm.px.truecolor, betoh(pfm.px.redmax), betoh(pfm.px.greenmax), 4967949SAli.Saidi@ARM.com betoh(pfm.px.bluemax)); 4977949SAli.Saidi@ARM.com DPRINTF(VNC, " -- red,green,blue shift = %d,%d,%d\n", pfm.px.redshift, 4987949SAli.Saidi@ARM.com pfm.px.greenshift, pfm.px.blueshift); 4997949SAli.Saidi@ARM.com 5007949SAli.Saidi@ARM.com if (betoh(pfm.px.bpp) != pixelFormat.bpp || 5017949SAli.Saidi@ARM.com betoh(pfm.px.depth) != pixelFormat.depth || 5027949SAli.Saidi@ARM.com betoh(pfm.px.bigendian) != pixelFormat.bigendian || 5037949SAli.Saidi@ARM.com betoh(pfm.px.truecolor) != pixelFormat.truecolor || 5047949SAli.Saidi@ARM.com betoh(pfm.px.redmax) != pixelFormat.redmax || 5057949SAli.Saidi@ARM.com betoh(pfm.px.greenmax) != pixelFormat.greenmax || 5067949SAli.Saidi@ARM.com betoh(pfm.px.bluemax) != pixelFormat.bluemax || 5077949SAli.Saidi@ARM.com betoh(pfm.px.redshift) != pixelFormat.redshift || 5087949SAli.Saidi@ARM.com betoh(pfm.px.greenshift) != pixelFormat.greenshift || 50912020Sgabeblack@google.com betoh(pfm.px.blueshift) != pixelFormat.blueshift) { 51012020Sgabeblack@google.com warn("VNC client doesn't support true color raw encoding\n"); 51112020Sgabeblack@google.com detach(); 51212020Sgabeblack@google.com } 5137949SAli.Saidi@ARM.com} 5147949SAli.Saidi@ARM.com 5157949SAli.Saidi@ARM.comvoid 5167949SAli.Saidi@ARM.comVncServer::setEncodings() 5177949SAli.Saidi@ARM.com{ 5187949SAli.Saidi@ARM.com DPRINTF(VNC, "Received supported encodings from client\n"); 5197949SAli.Saidi@ARM.com 5207949SAli.Saidi@ARM.com PixelEncodingsMessage pem; 52112020Sgabeblack@google.com if (!read1((uint8_t *)&pem, sizeof(PixelEncodingsMessage))) 52212020Sgabeblack@google.com return; 5237949SAli.Saidi@ARM.com 5247949SAli.Saidi@ARM.com pem.num_encodings = betoh(pem.num_encodings); 5257949SAli.Saidi@ARM.com 5267949SAli.Saidi@ARM.com DPRINTF(VNC, " -- %d encoding present\n", pem.num_encodings); 5277949SAli.Saidi@ARM.com supportsRawEnc = supportsResizeEnc = false; 5287949SAli.Saidi@ARM.com 5297949SAli.Saidi@ARM.com for (int x = 0; x < pem.num_encodings; x++) { 5307949SAli.Saidi@ARM.com int32_t encoding; 53112020Sgabeblack@google.com if (!read(&encoding)) 53212020Sgabeblack@google.com return; 5337949SAli.Saidi@ARM.com DPRINTF(VNC, " -- supports %d\n", betoh(encoding)); 5347949SAli.Saidi@ARM.com 5357949SAli.Saidi@ARM.com switch (betoh(encoding)) { 5367949SAli.Saidi@ARM.com case EncodingRaw: 5377949SAli.Saidi@ARM.com supportsRawEnc = true; 5387949SAli.Saidi@ARM.com break; 5397949SAli.Saidi@ARM.com case EncodingDesktopSize: 5407949SAli.Saidi@ARM.com supportsResizeEnc = true; 5417949SAli.Saidi@ARM.com break; 5427949SAli.Saidi@ARM.com } 5437949SAli.Saidi@ARM.com } 5447949SAli.Saidi@ARM.com 54512020Sgabeblack@google.com if (!supportsRawEnc) { 54612020Sgabeblack@google.com warn("VNC clients must always support raw encoding\n"); 54712020Sgabeblack@google.com detach(); 54812020Sgabeblack@google.com } 5497949SAli.Saidi@ARM.com} 5507949SAli.Saidi@ARM.com 5517949SAli.Saidi@ARM.comvoid 5527949SAli.Saidi@ARM.comVncServer::requestFbUpdate() 5537949SAli.Saidi@ARM.com{ 5547949SAli.Saidi@ARM.com DPRINTF(VNC, "Received frame buffer update request from client\n"); 5557949SAli.Saidi@ARM.com 5567949SAli.Saidi@ARM.com FrameBufferUpdateReq fbr; 55712020Sgabeblack@google.com if (!read1((uint8_t *)&fbr, sizeof(FrameBufferUpdateReq))) 55812020Sgabeblack@google.com return; 5597949SAli.Saidi@ARM.com 5607949SAli.Saidi@ARM.com fbr.x = betoh(fbr.x); 5617949SAli.Saidi@ARM.com fbr.y = betoh(fbr.y); 5627949SAli.Saidi@ARM.com fbr.width = betoh(fbr.width); 5637949SAli.Saidi@ARM.com fbr.height = betoh(fbr.height); 5647949SAli.Saidi@ARM.com 5657949SAli.Saidi@ARM.com DPRINTF(VNC, " -- x = %d y = %d w = %d h = %d\n", fbr.x, fbr.y, fbr.width, 5667949SAli.Saidi@ARM.com fbr.height); 5677949SAli.Saidi@ARM.com 5687949SAli.Saidi@ARM.com sendFrameBufferUpdate(); 5697949SAli.Saidi@ARM.com} 5707949SAli.Saidi@ARM.com 5717949SAli.Saidi@ARM.comvoid 5727949SAli.Saidi@ARM.comVncServer::recvKeyboardInput() 5737949SAli.Saidi@ARM.com{ 5747949SAli.Saidi@ARM.com DPRINTF(VNC, "Received keyboard input from client\n"); 5757949SAli.Saidi@ARM.com KeyEventMessage kem; 57612020Sgabeblack@google.com if (!read1((uint8_t *)&kem, sizeof(KeyEventMessage))) 57712020Sgabeblack@google.com return; 5787949SAli.Saidi@ARM.com 5797949SAli.Saidi@ARM.com kem.key = betoh(kem.key); 5807949SAli.Saidi@ARM.com DPRINTF(VNC, " -- received key code %d (%s)\n", kem.key, kem.down_flag ? 5817949SAli.Saidi@ARM.com "down" : "up"); 5827949SAli.Saidi@ARM.com 5837949SAli.Saidi@ARM.com if (keyboard) 5847949SAli.Saidi@ARM.com keyboard->keyPress(kem.key, kem.down_flag); 5857949SAli.Saidi@ARM.com} 5867949SAli.Saidi@ARM.com 5877949SAli.Saidi@ARM.comvoid 5887949SAli.Saidi@ARM.comVncServer::recvPointerInput() 5897949SAli.Saidi@ARM.com{ 5907949SAli.Saidi@ARM.com DPRINTF(VNC, "Received pointer input from client\n"); 5917949SAli.Saidi@ARM.com PointerEventMessage pem; 5927949SAli.Saidi@ARM.com 59312020Sgabeblack@google.com if (!read1((uint8_t *)&pem, sizeof(PointerEventMessage))) 59412020Sgabeblack@google.com return; 5957949SAli.Saidi@ARM.com 5967949SAli.Saidi@ARM.com pem.x = betoh(pem.x); 5977949SAli.Saidi@ARM.com pem.y = betoh(pem.y); 5987949SAli.Saidi@ARM.com DPRINTF(VNC, " -- pointer at x = %d y = %d buttons = %#x\n", pem.x, pem.y, 5997949SAli.Saidi@ARM.com pem.button_mask); 6007949SAli.Saidi@ARM.com 6017949SAli.Saidi@ARM.com if (mouse) 6027949SAli.Saidi@ARM.com mouse->mouseAt(pem.x, pem.y, pem.button_mask); 6037949SAli.Saidi@ARM.com} 6047949SAli.Saidi@ARM.com 6057949SAli.Saidi@ARM.comvoid 6067949SAli.Saidi@ARM.comVncServer::recvCutText() 6077949SAli.Saidi@ARM.com{ 6087949SAli.Saidi@ARM.com DPRINTF(VNC, "Received client copy buffer message\n"); 6097949SAli.Saidi@ARM.com 6107949SAli.Saidi@ARM.com ClientCutTextMessage cct; 61112020Sgabeblack@google.com if (!read1((uint8_t *)&cct, sizeof(ClientCutTextMessage))) 61212020Sgabeblack@google.com return; 6137949SAli.Saidi@ARM.com 6147949SAli.Saidi@ARM.com char str[1025]; 6157949SAli.Saidi@ARM.com size_t data_len = betoh(cct.length); 6167949SAli.Saidi@ARM.com DPRINTF(VNC, "String length %d\n", data_len); 6177949SAli.Saidi@ARM.com while (data_len > 0) { 6187949SAli.Saidi@ARM.com size_t bytes_to_read = data_len > 1024 ? 1024 : data_len; 61912020Sgabeblack@google.com if (!read((uint8_t *)&str, bytes_to_read)) 62012020Sgabeblack@google.com return; 6217949SAli.Saidi@ARM.com str[bytes_to_read] = 0; 62212020Sgabeblack@google.com data_len -= bytes_to_read; 6237949SAli.Saidi@ARM.com DPRINTF(VNC, "Buffer: %s\n", str); 6247949SAli.Saidi@ARM.com } 6257949SAli.Saidi@ARM.com 6267949SAli.Saidi@ARM.com} 6277949SAli.Saidi@ARM.com 6287949SAli.Saidi@ARM.com 6297949SAli.Saidi@ARM.comvoid 6307949SAli.Saidi@ARM.comVncServer::sendFrameBufferUpdate() 6317949SAli.Saidi@ARM.com{ 6327949SAli.Saidi@ARM.com 63310839Sandreas.sandberg@arm.com if (dataFd <= 0 || curState != NormalPhase || !sendUpdate) { 6347949SAli.Saidi@ARM.com DPRINTF(VNC, "NOT sending framebuffer update\n"); 6357949SAli.Saidi@ARM.com return; 6367949SAli.Saidi@ARM.com } 6377949SAli.Saidi@ARM.com 6387949SAli.Saidi@ARM.com // The client will request data constantly, unless we throttle it 6397949SAli.Saidi@ARM.com sendUpdate = false; 6407949SAli.Saidi@ARM.com 6417949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending framebuffer update\n"); 6427949SAli.Saidi@ARM.com 6437949SAli.Saidi@ARM.com FrameBufferUpdate fbu; 6447949SAli.Saidi@ARM.com FrameBufferRect fbr; 6457949SAli.Saidi@ARM.com 6467949SAli.Saidi@ARM.com fbu.type = ServerFrameBufferUpdate; 6477949SAli.Saidi@ARM.com fbu.num_rects = 1; 6487949SAli.Saidi@ARM.com fbr.x = 0; 6497949SAli.Saidi@ARM.com fbr.y = 0; 6507949SAli.Saidi@ARM.com fbr.width = videoWidth(); 6517949SAli.Saidi@ARM.com fbr.height = videoHeight(); 6527949SAli.Saidi@ARM.com fbr.encoding = EncodingRaw; 6537949SAli.Saidi@ARM.com 6547949SAli.Saidi@ARM.com // fix up endian 6557949SAli.Saidi@ARM.com fbu.num_rects = htobe(fbu.num_rects); 6567949SAli.Saidi@ARM.com fbr.x = htobe(fbr.x); 6577949SAli.Saidi@ARM.com fbr.y = htobe(fbr.y); 6587949SAli.Saidi@ARM.com fbr.width = htobe(fbr.width); 6597949SAli.Saidi@ARM.com fbr.height = htobe(fbr.height); 6607949SAli.Saidi@ARM.com fbr.encoding = htobe(fbr.encoding); 6617949SAli.Saidi@ARM.com 6627949SAli.Saidi@ARM.com // send headers to client 66312020Sgabeblack@google.com if (!write(&fbu) || !write(&fbr)) 66412020Sgabeblack@google.com return; 6657949SAli.Saidi@ARM.com 66610839Sandreas.sandberg@arm.com assert(fb); 6677949SAli.Saidi@ARM.com 66810839Sandreas.sandberg@arm.com std::vector<uint8_t> line_buffer(pixelConverter.length * fb->width()); 66910839Sandreas.sandberg@arm.com for (int y = 0; y < fb->height(); ++y) { 67010839Sandreas.sandberg@arm.com // Convert and send a line at a time 67110839Sandreas.sandberg@arm.com uint8_t *raw_pixel(line_buffer.data()); 67210839Sandreas.sandberg@arm.com for (unsigned x = 0; x < fb->width(); ++x) { 67310839Sandreas.sandberg@arm.com pixelConverter.fromPixel(raw_pixel, fb->pixel(x, y)); 67410839Sandreas.sandberg@arm.com raw_pixel += pixelConverter.length; 67510839Sandreas.sandberg@arm.com } 6767949SAli.Saidi@ARM.com 67712020Sgabeblack@google.com if (!write(line_buffer.data(), line_buffer.size())) 67812020Sgabeblack@google.com return; 67910839Sandreas.sandberg@arm.com } 6807949SAli.Saidi@ARM.com} 6817949SAli.Saidi@ARM.com 6827949SAli.Saidi@ARM.comvoid 6837949SAli.Saidi@ARM.comVncServer::sendFrameBufferResized() 6847949SAli.Saidi@ARM.com{ 68510839Sandreas.sandberg@arm.com assert(fb && dataFd > 0 && curState == NormalPhase); 6867949SAli.Saidi@ARM.com DPRINTF(VNC, "Sending framebuffer resize\n"); 6877949SAli.Saidi@ARM.com 6887949SAli.Saidi@ARM.com FrameBufferUpdate fbu; 6897949SAli.Saidi@ARM.com FrameBufferRect fbr; 6907949SAli.Saidi@ARM.com 6917949SAli.Saidi@ARM.com fbu.type = ServerFrameBufferUpdate; 6927949SAli.Saidi@ARM.com fbu.num_rects = 1; 6937949SAli.Saidi@ARM.com fbr.x = 0; 6947949SAli.Saidi@ARM.com fbr.y = 0; 6957949SAli.Saidi@ARM.com fbr.width = videoWidth(); 6967949SAli.Saidi@ARM.com fbr.height = videoHeight(); 6977949SAli.Saidi@ARM.com fbr.encoding = EncodingDesktopSize; 6987949SAli.Saidi@ARM.com 6997949SAli.Saidi@ARM.com // fix up endian 7007949SAli.Saidi@ARM.com fbu.num_rects = htobe(fbu.num_rects); 7017949SAli.Saidi@ARM.com fbr.x = htobe(fbr.x); 7027949SAli.Saidi@ARM.com fbr.y = htobe(fbr.y); 7037949SAli.Saidi@ARM.com fbr.width = htobe(fbr.width); 7047949SAli.Saidi@ARM.com fbr.height = htobe(fbr.height); 7057949SAli.Saidi@ARM.com fbr.encoding = htobe(fbr.encoding); 7067949SAli.Saidi@ARM.com 7077949SAli.Saidi@ARM.com // send headers to client 70812020Sgabeblack@google.com if (!write(&fbu)) 70912020Sgabeblack@google.com return; 7107949SAli.Saidi@ARM.com write(&fbr); 7117949SAli.Saidi@ARM.com 7127949SAli.Saidi@ARM.com // No actual data is sent in this message 7137949SAli.Saidi@ARM.com} 7147949SAli.Saidi@ARM.com 7157949SAli.Saidi@ARM.comvoid 71610839Sandreas.sandberg@arm.comVncServer::setDirty() 7177949SAli.Saidi@ARM.com{ 71810839Sandreas.sandberg@arm.com VncInput::setDirty(); 7197949SAli.Saidi@ARM.com 72010839Sandreas.sandberg@arm.com sendUpdate = true; 72110839Sandreas.sandberg@arm.com sendFrameBufferUpdate(); 72210839Sandreas.sandberg@arm.com} 72310839Sandreas.sandberg@arm.com 72410839Sandreas.sandberg@arm.comvoid 72510839Sandreas.sandberg@arm.comVncServer::frameBufferResized() 72610839Sandreas.sandberg@arm.com{ 72710839Sandreas.sandberg@arm.com if (dataFd > 0 && curState == NormalPhase) { 72810839Sandreas.sandberg@arm.com if (supportsResizeEnc) 72910839Sandreas.sandberg@arm.com sendFrameBufferResized(); 73010839Sandreas.sandberg@arm.com else 73110839Sandreas.sandberg@arm.com // The frame buffer changed size and we can't update the client 73210839Sandreas.sandberg@arm.com detach(); 7337949SAli.Saidi@ARM.com } 7347949SAli.Saidi@ARM.com} 7357949SAli.Saidi@ARM.com 7367949SAli.Saidi@ARM.com// create the VNC server object 7377949SAli.Saidi@ARM.comVncServer * 7387949SAli.Saidi@ARM.comVncServerParams::create() 7397949SAli.Saidi@ARM.com{ 7407949SAli.Saidi@ARM.com return new VncServer(this); 7417949SAli.Saidi@ARM.com} 7428635Schris.emmons@arm.com 743