diff options
Diffstat (limited to 'src/base')
| -rw-r--r-- | src/base/bitmap.cc | 44 | ||||
| -rw-r--r-- | src/base/bitmap.hh | 15 | ||||
| -rw-r--r-- | src/base/compiler.hh | 2 | ||||
| -rw-r--r-- | src/base/output.cc | 140 | ||||
| -rw-r--r-- | src/base/output.hh | 121 | ||||
| -rw-r--r-- | src/base/stats/text.cc | 6 | ||||
| -rw-r--r-- | src/base/trace.cc | 2 | ||||
| -rw-r--r-- | src/base/vnc/VncServer.py | 1 | ||||
| -rw-r--r-- | src/base/vnc/convert.cc | 23 | ||||
| -rw-r--r-- | src/base/vnc/convert.hh | 18 | ||||
| -rw-r--r-- | src/base/vnc/vncserver.cc | 54 | ||||
| -rw-r--r-- | src/base/vnc/vncserver.hh | 22 |
12 files changed, 407 insertions, 41 deletions
diff --git a/src/base/bitmap.cc b/src/base/bitmap.cc index 0d2a9302b..08425d74f 100644 --- a/src/base/bitmap.cc +++ b/src/base/bitmap.cc @@ -36,6 +36,7 @@ * * Authors: William Wang * Ali Saidi + * Chris Emmons */ #include <cassert> @@ -43,29 +44,50 @@ #include "base/bitmap.hh" #include "base/misc.hh" +const size_t Bitmap::sizeofHeaderBuffer = sizeof(Magic) + sizeof(Header) + + sizeof(Info); + // bitmap class ctor Bitmap::Bitmap(VideoConvert::Mode _mode, uint16_t w, uint16_t h, uint8_t *d) : mode(_mode), height(h), width(w), data(d), - vc(mode, VideoConvert::rgb8888, width, height) + vc(mode, VideoConvert::rgb8888, width, height), headerBuffer(0) { } +Bitmap::~Bitmap() { + if (headerBuffer) + delete [] headerBuffer; +} + void -Bitmap::write(std::ostream *bmp) +Bitmap::write(std::ostream *bmp) const { assert(data); - // For further information see: http://en.wikipedia.org/wiki/BMP_file_format - Magic magic = {{'B','M'}}; - Header header = {sizeof(VideoConvert::Rgb8888) * width * height , 0, 0, 54}; - Info info = {sizeof(Info), width, height, 1, - sizeof(VideoConvert::Rgb8888) * 8, 0, - sizeof(VideoConvert::Rgb8888) * width * height, 1, 1, 0, 0}; + // header is always the same for a bitmap object; compute the info once per + // bitmap object + if (!headerBuffer) { + // For further information see: + // http://en.wikipedia.org/wiki/BMP_file_format + Magic magic = {{'B','M'}}; + Header header = {sizeof(VideoConvert::Rgb8888) * width * height, + 0, 0, 54}; + Info info = {sizeof(Info), width, height, 1, + sizeof(VideoConvert::Rgb8888) * 8, 0, + sizeof(VideoConvert::Rgb8888) * width * height, 1, 1, 0, 0}; + + char *p = headerBuffer = new char[sizeofHeaderBuffer]; + memcpy(p, &magic, sizeof(Magic)); + p += sizeof(Magic); + memcpy(p, &header, sizeof(Header)); + p += sizeof(Header); + memcpy(p, &info, sizeof(Info)); + } - bmp->write(reinterpret_cast<char*>(&magic), sizeof(magic)); - bmp->write(reinterpret_cast<char*>(&header), sizeof(header)); - bmp->write(reinterpret_cast<char*>(&info), sizeof(info)); + // 1. write the header + bmp->write(headerBuffer, sizeofHeaderBuffer); + // 2. write the bitmap data uint8_t *tmp = vc.convert(data); uint32_t *tmp32 = (uint32_t*)tmp; diff --git a/src/base/bitmap.hh b/src/base/bitmap.hh index 9dfaa87a1..e9ad15473 100644 --- a/src/base/bitmap.hh +++ b/src/base/bitmap.hh @@ -36,6 +36,7 @@ * * Authors: William Wang * Ali Saidi + * Chris Emmons */ #ifndef __BASE_BITMAP_HH__ #define __BASE_BITMAP_HH__ @@ -62,6 +63,9 @@ class Bitmap */ Bitmap(VideoConvert::Mode mode, uint16_t w, uint16_t h, uint8_t *d); + /** Destructor */ + ~Bitmap(); + /** Provide the converter with the data that should be output. It will be * converted into rgb8888 and write out when write() is called. * @param d the data @@ -71,7 +75,13 @@ class Bitmap /** Write the provided data into the fstream provided * @param bmp stream to write to */ - void write(std::ostream *bmp); + void write(std::ostream *bmp) const; + + /** Gets a hash over the bitmap for quick comparisons to other bitmaps. + * @return hash of the bitmap + */ + uint64_t getHash() const { return vc.getHash(data); } + private: VideoConvert::Mode mode; @@ -81,6 +91,9 @@ class Bitmap VideoConvert vc; + mutable char *headerBuffer; + static const size_t sizeofHeaderBuffer; + struct Magic { unsigned char magic_number[2]; diff --git a/src/base/compiler.hh b/src/base/compiler.hh index 3315fb2f7..a95cb791c 100644 --- a/src/base/compiler.hh +++ b/src/base/compiler.hh @@ -42,6 +42,7 @@ #define M5_DUMMY_RETURN #define M5_VAR_USED __attribute__((unused)) #define M5_ATTR_PACKED __attribute__ ((__packed__)) +#define M5_NO_INLINE __attribute__ ((__noinline__)) #elif defined(__SUNPRO_CC) // this doesn't do anything with sun cc, but why not #define M5_ATTR_NORETURN __sun_attr__((__noreturn__)) @@ -50,6 +51,7 @@ #define M5_VAR_USED #define M5_PRAGMA_NORETURN(x) DO_PRAGMA(does_not_return(x)) #define M5_ATTR_PACKED __attribute__ ((__packed__)) +#define M5_NO_INLINE __attribute__ ((__noinline__)) #else #error "Need to define compiler options in base/compiler.hh" #endif diff --git a/src/base/output.cc b/src/base/output.cc index 020247152..1c749e5bf 100644 --- a/src/base/output.cc +++ b/src/base/output.cc @@ -26,11 +26,14 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Authors: Nathan Binkert + * Chris Emmons */ #include <sys/stat.h> #include <sys/types.h> +#include <dirent.h> +#include <cassert> #include <cerrno> #include <climits> #include <cstdlib> @@ -46,7 +49,7 @@ using namespace std; OutputDirectory simout; /** - * + * @file This file manages creating / deleting output files for the simulator. */ OutputDirectory::OutputDirectory() {} @@ -73,26 +76,54 @@ OutputDirectory::checkForStdio(const string &name) const ostream * OutputDirectory::openFile(const string &filename, - ios_base::openmode mode) const + ios_base::openmode mode) { if (filename.find(".gz", filename.length()-3) < filename.length()) { ogzstream *file = new ogzstream(filename.c_str(), mode); - if (!file->is_open()) fatal("Cannot open file %s", filename); - + assert(files.find(filename) == files.end()); + files[filename] = file; return file; } else { ofstream *file = new ofstream(filename.c_str(), mode); - if (!file->is_open()) fatal("Cannot open file %s", filename); - + assert(files.find(filename) == files.end()); + files[filename] = file; return file; } } void +OutputDirectory::close(ostream *openStream) { + map_t::iterator i; + for (i = files.begin(); i != files.end(); i++) { + if (i->second != openStream) + continue; + + ofstream *fs = dynamic_cast<ofstream*>(i->second); + if (fs) { + fs->close(); + delete i->second; + break; + } else { + ogzstream *gfs = dynamic_cast<ogzstream*>(i->second); + if (gfs) { + gfs->close(); + delete i->second; + break; + } + } + } + + if (i == files.end()) + fatal("Attempted to close an unregistred file stream"); + + files.erase(i); +} + +void OutputDirectory::setDirectory(const string &d) { if (!dir.empty()) @@ -100,9 +131,9 @@ OutputDirectory::setDirectory(const string &d) dir = d; - // guarantee that directory ends with a '/' - if (dir[dir.size() - 1] != '/') - dir += "/"; + // guarantee that directory ends with a path separator + if (dir[dir.size() - 1] != PATH_SEPARATOR) + dir += PATH_SEPARATOR; } const string & @@ -117,7 +148,7 @@ OutputDirectory::directory() const inline string OutputDirectory::resolve(const string &name) const { - return (name[0] != '/') ? dir + name : name; + return (name[0] != PATH_SEPARATOR) ? dir + name : name; } ostream * @@ -136,20 +167,18 @@ OutputDirectory::create(const string &name, bool binary) } ostream * -OutputDirectory::find(const string &name) +OutputDirectory::find(const string &name) const { ostream *file = checkForStdio(name); if (file) return file; - string filename = resolve(name); - map_t::iterator i = files.find(filename); + const string filename = resolve(name); + map_t::const_iterator i = files.find(filename); if (i != files.end()) return (*i).second; - file = openFile(filename); - files[filename] = file; - return file; + return NULL; } bool @@ -157,3 +186,82 @@ OutputDirectory::isFile(const std::ostream *os) { return os && os != &cerr && os != &cout; } + +bool +OutputDirectory::isFile(const string &name) const +{ + // definitely a file if in our data structure + if (find(name) != NULL) return true; + + struct stat st_buf; + int st = stat(name.c_str(), &st_buf); + return (st == 0) && S_ISREG(st_buf.st_mode); +} + +string +OutputDirectory::createSubdirectory(const string &name) const +{ + const string new_dir = resolve(name); + if (new_dir.find(directory()) == string::npos) + fatal("Attempting to create subdirectory not in m5 output dir\n"); + + // if it already exists, that's ok; otherwise, fail if we couldn't create + if ((mkdir(new_dir.c_str(), 0755) != 0) && (errno != EEXIST)) + fatal("Failed to create new output subdirectory '%s'\n", new_dir); + + return name + PATH_SEPARATOR; +} + +void +OutputDirectory::remove(const string &name, bool recursive) +{ + const string fname = resolve(name); + + if (fname.find(directory()) == string::npos) + fatal("Attempting to remove file/dir not in output dir\n"); + + if (isFile(fname)) { + // close and release file if we have it open + map_t::iterator itr = files.find(fname); + if (itr != files.end()) { + delete itr->second; + files.erase(itr); + } + + if (::remove(fname.c_str()) != 0) + fatal("Could not erase file '%s'\n", fname); + } else { + // assume 'name' is a directory + if (recursive) { + DIR *dir = opendir(fname.c_str()); + + // silently ignore removal request for non-existent directory + if ((!dir) && (errno == ENOENT)) + return; + + // fail on other errors + if (!dir) { + perror("opendir"); + fatal("Error opening directory for recursive removal '%s'\n", + fname); + } + + struct dirent *de = readdir(dir); + while (de != NULL) { + // ignore files starting with a '.'; user must delete those + // manually if they really want to + if (de->d_name[0] != '.') + remove(name + PATH_SEPARATOR + de->d_name, recursive); + + de = readdir(dir); + } + } + + // try to force recognition that we deleted the files in the directory + sync(); + + if (::remove(fname.c_str()) != 0) { + perror("Warning! 'remove' failed. Could not erase directory."); + } + } +} diff --git a/src/base/output.hh b/src/base/output.hh index 38c63714c..b86e68856 100644 --- a/src/base/output.hh +++ b/src/base/output.hh @@ -26,6 +26,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Authors: Nathan Binkert + * Chris Emmons */ #ifndef __BASE_OUTPUT_HH__ @@ -35,33 +36,147 @@ #include <map> #include <string> +/** Interface for creating files in a gem5 output directory. */ class OutputDirectory { private: + /** File names and associated stream handles */ typedef std::map<std::string, std::ostream *> map_t; + /** Open file streams within this directory */ map_t files; + + /** Name of this directory */ std::string dir; + /** System-specific path separator character */ + static const char PATH_SEPARATOR = '/'; + + /** + * Returns relative file names prepended with name of this directory. + * Returns absolute file names unaltered. + * + * @param name file name to prepend with directory name + * @return file name prepended with base directory name or unaltered + * absolute file name + */ std::string resolve(const std::string &name) const; protected: + /** + * Determines whether given file name corresponds to standard output + * streams. + * + * @param name name of file to check + * @return output stream for standard output or error stream if name + * corresponds to one or the other; NULL otherwise + */ std::ostream *checkForStdio(const std::string &name) const; + + /** Opens a file (optionally compressed). + * + * Will open a file as a compressed stream if filename ends in .gz. + * + * @param filename file to open + * @param mode attributes to open file with + * @return stream pointer to opened file; will cause sim fail on error + */ std::ostream *openFile(const std::string &filename, - std::ios_base::openmode mode = std::ios::trunc) const; + std::ios_base::openmode mode = std::ios::trunc); public: + /** Constructor. */ OutputDirectory(); + + /** Destructor. */ ~OutputDirectory(); + /** + * Sets name of this directory. + * @param dir name of this directory + */ void setDirectory(const std::string &dir); + + /** + * Gets name of this directory. + * @return name of this directory + */ const std::string &directory() const; + /** + * Creates a file in this directory (optionally compressed). + * + * Will open a file as a compressed stream if filename ends in .gz. + * + * @param name name of file to create (without this directory's name + * leading it) + * @param binary true to create a binary file; false otherwise + * @return stream to the opened file + */ std::ostream *create(const std::string &name, bool binary = false); - std::ostream *find(const std::string &name); + /** + * Closes a file stream. + * + * Stream must have been opened through this interface, or sim will fail. + * + * @param openStream open stream to close + */ + void close(std::ostream *openStream); + + /** + * Finds stream associated with a file. + * @param name of file + * @return stream to specified file or NULL if file does not exist + */ + std::ostream *find(const std::string &name) const; + + /** + * Returns true if stream is open and not standard output or error. + * @param os output stream to evaluate + * @return true if os is non-NULL and not cout or cerr + */ static bool isFile(const std::ostream *os); - static inline bool isFile(const std::ostream &os) { return isFile(&os); } + + /** + * Determines whether a file name corresponds to a file in this directory. + * @param name name of file to evaluate + * @return true iff file has been opened in this directory or exists on the + * file system within this directory + */ + bool isFile(const std::string &name) const; + + /** + * Returns true if stream is open and not standard output or error. + * @param os output stream to evaluate + * @return true if os is non-NULL and not cout or cerr + */ + static inline bool isFile(const std::ostream &os) { + return isFile(&os); + } + + /** + * Creates a subdirectory within this directory. + * @param name name of subdirectory + * @return the new subdirectory's name suffixed with a path separator + */ + std::string createSubdirectory(const std::string &name) const; + + /** + * Removes a specified file or subdirectory. + * + * Will cause sim to fail for most errors. However, it will only warn the + * user if a directory could not be removed. This is in place to + * accommodate slow file systems where file deletions within a subdirectory + * may not be recognized quickly enough thereby causing the subsequent call + * to remove the directory to fail (seemingly unempty directory). + * + * @param name name of file or subdirectory to remove; name should not + * be prepended with the name of this directory object + * @param recursive set to true to attempt to recursively delete a + * subdirectory and its contents + */ + void remove(const std::string &name, bool recursive=false); }; extern OutputDirectory simout; diff --git a/src/base/stats/text.cc b/src/base/stats/text.cc index f8471f1a1..683ba7fe4 100644 --- a/src/base/stats/text.cc +++ b/src/base/stats/text.cc @@ -674,7 +674,11 @@ initText(const string &filename, bool desc) static bool connected = false; if (!connected) { - text.open(*simout.find(filename)); + ostream *os = simout.find(filename); + if (!os) + os = simout.create(filename); + + text.open(*os); text.descriptions = desc; connected = true; } diff --git a/src/base/trace.cc b/src/base/trace.cc index 1a035d400..fa55e42a9 100644 --- a/src/base/trace.cc +++ b/src/base/trace.cc @@ -64,6 +64,8 @@ void setOutput(const string &filename) { dprintf_stream = simout.find(filename); + if (!dprintf_stream) + dprintf_stream = simout.create(filename); } ObjectMatch ignore; diff --git a/src/base/vnc/VncServer.py b/src/base/vnc/VncServer.py index 21eb3ed28..6b746f2e2 100644 --- a/src/base/vnc/VncServer.py +++ b/src/base/vnc/VncServer.py @@ -43,3 +43,4 @@ class VncServer(SimObject): type = 'VncServer' port = Param.TcpPort(5900, "listen port") number = Param.Int(0, "vnc client number") + frame_capture = Param.Bool(False, "capture changed frames to files") diff --git a/src/base/vnc/convert.cc b/src/base/vnc/convert.cc index cd1502ce6..915a99407 100644 --- a/src/base/vnc/convert.cc +++ b/src/base/vnc/convert.cc @@ -67,7 +67,7 @@ VideoConvert::~VideoConvert() } uint8_t* -VideoConvert::convert(uint8_t *fb) +VideoConvert::convert(const uint8_t *fb) const { switch (inputMode) { case bgr565: @@ -82,7 +82,7 @@ VideoConvert::convert(uint8_t *fb) } uint8_t* -VideoConvert::m565rgb8888(uint8_t *fb, bool bgr) +VideoConvert::m565rgb8888(const uint8_t *fb, bool bgr) const { uint8_t *out = new uint8_t[area() * sizeof(uint32_t)]; uint32_t *out32 = (uint32_t*)out; @@ -113,7 +113,7 @@ VideoConvert::m565rgb8888(uint8_t *fb, bool bgr) uint8_t* -VideoConvert::bgr8888rgb8888(uint8_t *fb) +VideoConvert::bgr8888rgb8888(const uint8_t *fb) const { uint8_t *out = new uint8_t[area() * sizeof(uint32_t)]; uint32_t *out32 = (uint32_t*)out; @@ -136,4 +136,21 @@ VideoConvert::bgr8888rgb8888(uint8_t *fb) return out; } +/* +uint64_t +VideoConvert::getHash(const uint8_t *fb) const +{ + const uint8_t *fb_e = fb + area(); + + uint64_t hash = 1; + while (fb < fb_e - 8) { + hash += *((const uint64_t*)fb); + fb += 8; + } + + while (fb < fb_e) { + hash += *(fb++); + } + return hash; +}*/ diff --git a/src/base/vnc/convert.hh b/src/base/vnc/convert.hh index 68a21d677..17df0747b 100644 --- a/src/base/vnc/convert.hh +++ b/src/base/vnc/convert.hh @@ -44,6 +44,7 @@ #ifndef __BASE_VNC_CONVERT_HH__ #define __BASE_VNC_CONVERT_HH__ +#include <zlib.h> #include "base/bitunion.hh" class VideoConvert @@ -107,12 +108,21 @@ class VideoConvert * @param fb the frame buffer to convert * @return the converted data (user must free) */ - uint8_t* convert(uint8_t *fb); + uint8_t* convert(const uint8_t *fb) const; /** Return the number of pixels that this buffer specifies * @return number of pixels */ - int area() { return width * height; } + int area() const { return width * height; } + + /** + * Returns a hash on the raw data. + * + * @return hash of the buffer + */ + inline uint64_t getHash(const uint8_t *fb) const { + return adler32(0UL, fb, width * height); + } private: @@ -121,7 +131,7 @@ class VideoConvert * @param fb the data to convert * @return converted data */ - uint8_t* bgr8888rgb8888(uint8_t *fb); + uint8_t* bgr8888rgb8888(const uint8_t *fb) const; /** * Convert a bgr565 or rgb565 input to rgb8888. @@ -129,7 +139,7 @@ class VideoConvert * @param bgr true if the input data is bgr565 * @return converted data */ - uint8_t* m565rgb8888(uint8_t *fb, bool bgr); + uint8_t* m565rgb8888(const uint8_t *fb, bool bgr) const; Mode inputMode; Mode outputMode; diff --git a/src/base/vnc/vncserver.cc b/src/base/vnc/vncserver.cc index 18e581bfe..b4a783219 100644 --- a/src/base/vnc/vncserver.cc +++ b/src/base/vnc/vncserver.cc @@ -43,7 +43,10 @@ */ #include <sys/ioctl.h> +#include <sys/stat.h> #include <sys/termios.h> +#include <sys/types.h> +#include <fcntl.h> #include <poll.h> #include <unistd.h> @@ -52,11 +55,14 @@ #include "base/vnc/vncserver.hh" #include "base/atomicio.hh" +#include "base/bitmap.hh" #include "base/misc.hh" +#include "base/output.hh" #include "base/socket.hh" #include "base/trace.hh" #include "debug/VNC.hh" #include "sim/byteswap.hh" +#include "sim/core.hh" using namespace std; @@ -98,14 +104,14 @@ VncServer::VncServer(const Params *p) : SimObject(p), listenEvent(NULL), dataEvent(NULL), number(p->number), dataFd(-1), _videoWidth(1), _videoHeight(1), clientRfb(0), keyboard(NULL), mouse(NULL), sendUpdate(false), videoMode(VideoConvert::UnknownMode), - vc(NULL) + vc(NULL), captureEnabled(p->frame_capture), captureCurrentFrame(0), + captureLastHash(0), captureBitmap(0) { if (p->port) listen(p->port); curState = WaitForProtocolVersion; - // currently we only support this one pixel format // unpacked 32bit rgb (rgb888 + 8 bits of nothing/alpha) // keep it around for telling the client and making @@ -121,6 +127,14 @@ VncServer::VncServer(const Params *p) pixelFormat.greenshift = 8; pixelFormat.blueshift = 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); + } DPRINTF(VNC, "Vnc server created at port %d\n", p->port); } @@ -686,6 +700,16 @@ VncServer::setFrameBufferParams(VideoConvert::Mode mode, int width, int height) vc = new VideoConvert(mode, VideoConvert::rgb8888, videoWidth(), videoHeight()); + if (captureEnabled) { + // create bitmap of the frame with new attributes + if (captureBitmap) + delete captureBitmap; + + assert(clientRfb); + captureBitmap = new Bitmap(videoMode, width, height, clientRfb); + assert(captureBitmap); + } + if (dataFd > 0 && clientRfb && curState == NormalPhase) { if (supportsResizeEnc) sendFrameBufferResized(); @@ -702,3 +726,29 @@ VncServerParams::create() { return new VncServer(this); } + +void +VncServer::captureFrameBuffer() +{ + assert(captureBitmap); + + // skip identical frames + uint64_t new_hash = captureBitmap->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 + ostream *fb_out = simout.create(captureOutputDirectory + frameFilename, + true); + captureBitmap->write(fb_out); + simout.close(fb_out); + + ++captureCurrentFrame; +} diff --git a/src/base/vnc/vncserver.hh b/src/base/vnc/vncserver.hh index 96dbdedda..33d833f26 100644 --- a/src/base/vnc/vncserver.hh +++ b/src/base/vnc/vncserver.hh @@ -48,6 +48,7 @@ #include <iostream> #include "base/vnc/convert.hh" +#include "base/bitmap.hh" #include "base/circlebuf.hh" #include "base/pollevent.hh" #include "base/socket.hh" @@ -55,6 +56,7 @@ #include "params/VncServer.hh" #include "sim/sim_object.hh" + /** * A device that expects to receive input from the vnc server should derrive * (through mulitple inheritence if necessary from VncKeyboard or VncMouse @@ -316,7 +318,25 @@ class VncServer : public SimObject /** The video converter that transforms data for us */ VideoConvert *vc; + /** Flag indicating whether to capture snapshots of frame buffer or not */ + bool captureEnabled; + + /** Current frame number being captured to a file */ + int captureCurrentFrame; + + /** Directory to store captured frames to */ + std::string captureOutputDirectory; + + /** Computed hash of the last captured frame */ + uint64_t captureLastHash; + + /** Cached bitmap object for writing out frame buffers to file */ + Bitmap *captureBitmap; + protected: + /** Captures the current frame buffer to a file */ + void captureFrameBuffer(); + /** * vnc client Interface */ @@ -449,6 +469,8 @@ class VncServer : public SimObject setDirty() { sendUpdate = true; + if (captureEnabled) + captureFrameBuffer(); sendFrameBufferUpdate(); } |