ScreenArea::ScreenArea(int _iWidth, int _iHeight, int _iScale) :
m_iFilterScale(1),
m_vFilter2x(NULL),
m_vFilterIB(NULL),
m_puiPixels(NULL),
m_puiDelta(NULL),
m_iScaledWidth(_iWidth),
m_iScaledHeight(_iHeight),
m_bEnableRender(true),
m_bShowCursor(true)
{
g_assert(_iWidth >= 1 && _iHeight >= 1 && _iScale >= 1);
m_iWidth = _iWidth;
m_iHeight = _iHeight;
m_iScale = _iScale;
set_events(Gdk::EXPOSURE_MASK
| Gdk::POINTER_MOTION_MASK
| Gdk::ENTER_NOTIFY_MASK
| Gdk::LEAVE_NOTIFY_MASK);
char aiEmptyData[8];
memset(aiEmptyData, 0, sizeof(aiEmptyData));
Glib::RefPtr<Gdk::Bitmap> poSource = Gdk::Bitmap::create(aiEmptyData, 8, 8);
Glib::RefPtr<Gdk::Bitmap> poMask = Gdk::Bitmap::create(aiEmptyData, 8, 8);
Gdk::Color oFg;
Gdk::Color oBg;
oFg.set_rgb(0, 0, 0);
oBg.set_rgb(0, 0, 0);
m_poEmptyCursor = new Gdk::Cursor(poSource, poMask, oFg, oBg, 0, 0);
}
int32_t Connection::initialize(void)
{
int32_t result = E_ERROR;
int32_t retcode = E_ERROR;
if (init_ok_) {
goto ExitOK;
}
// get a new valid sockfd and prepare to poll it
ASSURE_SUCCESS(result, retcode, sockfd_.initialize());
init_ok_ = S_SUCCESS;
set_state(CLOSED);
event_.data.ptr = this;
set_events();
recv_buf_.clear();
send_buf_.clear();
if (NULL != connection_manager_) {
ASSURE_SUCCESS(result, retcode, connection_manager_->controlAdd(this));
}
ExitOK:
result = S_SUCCESS;
ExitError:
if (S_SUCCESS != result) {
release();
}
return result;
}
knob::knob()
{
knob_value = 0;
value = 0;
snap = false;
invert = false;
rounded = 5;
min = 0;
max = 1;
drag = false;
label = "KNOB";
pos_mode = 0;
top_colour.set( "#550000");
bottom_colour.set( "#220000");
// make the click events call the on_button_press_event function
// add_events( Gdk::BUTTON_PRESS_MASK);
set_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::POINTER_MOTION_MASK);
// make the click event do that function
signal_button_press_event().connect( sigc::mem_fun(*this, &knob::on_button_press_event) );
set_size_request(40,70);
}
ScreenArea::ScreenArea(int _iWidth, int _iHeight, int _iScale)
: m_iFilterScale(1)
, m_vFilter2x(NULL)
, m_vFilterIB(NULL)
, m_puiPixels(NULL)
, m_puiDelta(NULL)
, m_iScaledWidth(_iWidth)
, m_iScaledHeight(_iHeight)
, m_bEnableRender(true)
, m_bShowCursor(true)
{
g_assert(_iWidth >= 1 && _iHeight >= 1 && _iScale >= 1);
m_iWidth = _iWidth;
m_iHeight = _iHeight;
m_iScale = _iScale;
set_events(Gdk::EXPOSURE_MASK
| Gdk::POINTER_MOTION_MASK
| Gdk::ENTER_NOTIFY_MASK
| Gdk::LEAVE_NOTIFY_MASK);
Glib::RefPtr<Gdk::Pixbuf> pixbuf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, 8, 8);
pixbuf->fill(0);
#if !GTK_CHECK_VERSION(3, 0, 0)
m_poEmptyCursor = new Gdk::Cursor(get_display, pixbuf, 0, 0);
#else
m_poEmptyCursor = Gdk::Cursor::create(get_display(), pixbuf, 0, 0);
#endif
}
// finalize initialization
void finalize_init() {
// if filesystem is not mounted go ahead
if(!filesystem_is_mounted()) {
if(global_state==0) {
printf("File system is not mounted, final step of initialization is delayed\n");
global_state=1;
}
return;
}
// get filesystem handle
if (dm_path_to_fshandle(fsname, &fs_hanp, &fs_hlen) == -1) {
fprintf(stderr, "dm_path_to_fshandle, %d/%s\n", errno, strerror(errno));
exit(1);
}
// setup event disposition for read, write and truncate events
printf("Setting disposition for READ, WRITE and TRUNCATE DMAPI events\n");
set_events(fs_hanp, fs_hlen);
// recover existing tokens (if any)
printf("Recovering existing tokens for MOUNT, READ, WRITE and TRUNCATE events\n");
token_recovery(DM_EVENT_MOUNT);
token_recovery(DM_EVENT_READ);
token_recovery(DM_EVENT_WRITE);
token_recovery(DM_EVENT_TRUNCATE);
global_state=2;
printf("Initialization finished\n");
}
MyArea::MyArea(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& builder)
: Gtk::DrawingArea(cobject)
{
priv = new MyArea_private();
set_size_request(800,640);
set_events( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK );
show();
}
MainWindow::MainWindow(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& builder)
: Gtk::Window(cobject)
{
priv = new MainWindow_private(builder);
builder->get_widget("toolbar", priv->mp_toolbar);
builder->get_widget_derived<MyArea>("drawing_area", priv->mp_area);
set_events( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK );
}
Game::Game()
{
priv = new Game_private(this);
this->add(*(priv->mp_area));
set_events( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK );
priv->mp_area->show();
priv->mp_area->on_user_click().connect(
sigc::mem_fun(*priv, &Game_private::usergo));
priv->gameBegin();
}
ScribbleDrawingArea::ScribbleDrawingArea()
: Gtk::DrawingArea(), pixmap (0)
{
set_events (GDK_EXPOSURE_MASK
| GDK_LEAVE_NOTIFY_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_POINTER_MOTION_MASK
| GDK_POINTER_MOTION_HINT_MASK);
}
Palette::Palette():
on_element_select(this, CBT_SELECT_ELEMENT_PALETTE)
{
set_events(Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::LEAVE_NOTIFY_MASK);
pack = NULL;
selected = NULL;
items = new PaletteItemRoot(this, "root");
downButton = 0;
palTabMenu = cmdMan->createMenu(MENUNAME_PAL_TAB);
}
static void
engine_set_state(struct Socket *sock, enum SocketState new_state)
{
struct epoll_event evt;
assert(0 != sock);
Debug((DEBUG_ENGINE, "epoll: Changing state for socket %p to %s",
sock, state_to_name(new_state)));
set_events(sock, new_state, s_events(sock), &evt);
if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, s_fd(sock), &evt) < 0)
event_generate(ET_ERROR, sock, errno);
}
static void
engine_set_events(struct Socket *sock, unsigned new_events)
{
struct epoll_event evt;
assert(0 != sock);
Debug((DEBUG_ENGINE, "epoll: Changing event mask for socket %p to [%s]",
sock, sock_flags(new_events)));
set_events(sock, s_state(sock), new_events, &evt);
if (epoll_ctl(epoll_fd, EPOLL_CTL_MOD, s_fd(sock), &evt) < 0)
event_generate(ET_ERROR, sock, errno);
}
RenderArea::RenderArea(RenderAreaPtr theContext) : AbstractRenderWindow(jslib::JSApp::ShellErrorReporter),
_myContextRefCount(0),
_isFirstFrame(true)
{
GdkGLConfig * myGLConfig = gdk_gl_config_new_by_mode(
GdkGLConfigMode(GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH | GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA));
if (myGLConfig == 0) {
throw asl::Exception("can't init GL",PLUS_FILE_LINE);
}
// If another render area is supplied as constructor paramter, this render area is uses as
// source for a shared y60-gl-context and gdk-gl-context.
GdkGLContext * myGdkGLContext = 0;
if (theContext) {
myGdkGLContext = theContext->getGdkGlContext();
if (!myGdkGLContext) {
throw asl::Exception("RenderArea: Failed to get gdk GL context from shared render area.", PLUS_FILE_LINE);
}
setGLContext(theContext->getGLContext());
} else {
setGLContext(GLContextPtr(new GLContext()));
}
/* Set OpenGL-capability to the widget. */
DB(cerr << "RenderArea::RenderArea() sharing with " << myGdkGLContext << endl);
if (!gtk_widget_set_gl_capability (GTK_WIDGET(gobj()),
myGLConfig,
myGdkGLContext,
true,
GDK_GL_RGBA_TYPE))
{
throw asl::Exception("RenderArea: could not create GL context!", PLUS_FILE_LINE);
}
// enable mouse events
Gdk::EventMask flags = get_events();
flags |= Gdk::BUTTON_PRESS_MASK;
flags |= Gdk::POINTER_MOTION_MASK;
flags |= Gdk::BUTTON_RELEASE_MASK;
flags |= Gdk::SCROLL_MASK;
flags |= Gdk::ENTER_NOTIFY_MASK;
flags |= Gdk::LEAVE_NOTIFY_MASK;
set_events(flags);
y60::EventDispatcher::get().addSource(&_myEventAdapter);
y60::EventDispatcher::get().addSink(this);
// TODO: createRenderer(theOtherRenderer);
ShaderLibrary::setGLisReadyFlag(true);
}
Render::Render (View *view, Glib::RefPtr<Gtk::TreeSelection> selection) :
m_arcBall(new ArcBall()), m_view (view), m_selection(selection)
{
set_events (Gdk::POINTER_MOTION_MASK |
Gdk::BUTTON_MOTION_MASK |
Gdk::BUTTON_PRESS_MASK |
Gdk::BUTTON_RELEASE_MASK |
Gdk::BUTTON1_MOTION_MASK |
Gdk::BUTTON2_MOTION_MASK |
Gdk::BUTTON3_MOTION_MASK);
GdkGLConfig *glconfig;
// glconfig is leaked at program exit
glconfig = gdk_gl_config_new_by_mode
((GdkGLConfigMode) (GDK_GL_MODE_RGBA |
GDK_GL_MODE_ALPHA |
GDK_GL_MODE_STENCIL |
GDK_GL_MODE_DEPTH |
GDK_GL_MODE_DOUBLE));
if (!glconfig) // try single buffered
glconfig = gdk_gl_config_new_by_mode
((GdkGLConfigMode) (GDK_GL_MODE_RGBA |
GDK_GL_MODE_ALPHA |
GDK_GL_MODE_STENCIL |
GDK_GL_MODE_DEPTH));
if (!gtk_widget_set_gl_capability (get_widget(), glconfig,
NULL, TRUE, GDK_GL_RGBA_TYPE))
g_error (_("failed to init gl area\n"));
memset (&m_transform.M, 0, sizeof (m_transform.M));
Matrix3fT identity;
Matrix3fSetIdentity(&identity);
// set initial rotation 30 degrees around Y axis
identity.s.M11 = identity.s.M22 = 0.5253; // cos -45
identity.s.M12 = 0.851; // -sin -45
identity.s.M21 = -0.851; // sin -45
Matrix4fSetRotationScaleFromMatrix3f(&m_transform, &identity);
m_transform.s.SW = 1.0;
m_zoom = 120.0;
for (uint i = 0; i < N_LIGHTS; i++)
m_lights[i] = NULL;
m_selection->signal_changed().connect (sigc::mem_fun(*this, &Render::selection_changed));
}
static int
engine_add(struct Socket *sock)
{
struct epoll_event evt;
assert(0 != sock);
Debug((DEBUG_ENGINE, "epoll: Adding socket %d [%p], state %s, to engine",
s_fd(sock), sock, state_to_name(s_state(sock))));
set_events(sock, s_state(sock), s_events(sock), &evt);
if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, s_fd(sock), &evt) < 0) {
event_generate(ET_ERROR, sock, errno);
return 0;
}
return 1;
}
//======VIEWDRAWINGAREA======================================================
ViewDrawingArea::ViewDrawingArea()
: _top_item (NULL), _old_vval(0.0), _old_hval(0.0), _disp_mode_switched (false),
_layout_prepared(false)
{
modify_bg (Gtk::STATE_NORMAL, Gdk::Color ("white"));
set_double_buffered (false);
set_events (Gdk::BUTTON_PRESS_MASK);
signal_expose_event().connect (sigc::mem_fun (*this,
&ViewDrawingArea::on_expose_event));
signal_configure_event().connect (sigc::mem_fun (*this,
&ViewDrawingArea::on_configure_event));
signal_button_press_event().connect (sigc::mem_fun (*this,
&ViewDrawingArea::on_button_press_event), false);
}
void ImageDrawingArea::CommonInit()
{
Gtk::GL::init(0, NULL);
m_imageWidth = 0;
m_imageHeight = 0;
m_scaleX = 1.0;
m_scaleY = 1.0;
m_leftMBHeld = false;
m_xPos = -1;
m_yPos = -1;
m_shiftX = 0.0;
m_shiftY = 0.0;
m_colorCrosshair.set_rgb_p( 1, 0, 0 );
m_showCrosshair = false;
m_stretchToFit = false;
Gdk::EventMask mask =
Gdk::EXPOSURE_MASK |
Gdk::BUTTON_PRESS_MASK |
Gdk::BUTTON_RELEASE_MASK |
Gdk::BUTTON1_MOTION_MASK |
Gdk::POINTER_MOTION_MASK;
set_events( mask );
Glib::RefPtr<Gdk::GL::Config> glConfig;
glConfig = Gdk::GL::Config::create(Gdk::GL::MODE_RGB | Gdk::GL::MODE_DOUBLE);
if( !glConfig )
{
// Bad
}
if( !set_gl_capability(glConfig) || !is_gl_capable() )
{
// Bad
}
m_PBOSupported = false;
}
CWRuler::CWRuler(Mode theMode) :
Gtk::DrawingArea(),
_myMode(theMode),
_myState(IDLE),
_myValueRange(0.0, 1.0),
_myWindowCenter(0.0),
_myWindowWidth(0.0),
_myLower(0.0),
_myUpper(0.0)
{
set_size_request(256, 10);
Gdk::EventMask myFlags = get_events();
myFlags |= Gdk::POINTER_MOTION_MASK;
myFlags |= Gdk::BUTTON_PRESS_MASK;
myFlags |= Gdk::BUTTON_RELEASE_MASK;
set_events(myFlags);
}
Format7DrawingArea::Format7DrawingArea( BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& /*refGlade*/ )
: Gtk::DrawingArea(cobject),
m_moveCursor( Gdk::FLEUR )
{
Gdk::EventMask mask =
Gdk::BUTTON_PRESS_MASK |
Gdk::BUTTON_RELEASE_MASK |
Gdk::BUTTON1_MOTION_MASK |
Gdk::POINTER_MOTION_MASK;
set_events( mask );
m_leftMBHeld = false;
m_rightMBHeld = false;
m_left = 0;
m_top = 0;
m_width = 0;
m_height = 0;
m_lastFiredLeft = 0;
m_lastFiredTop = 0;
m_lastFiredWidth = 0;
m_lastFiredHeight = 0;
m_maxWidth = 0;
m_maxHeight = 0;
m_offsetHStepSize = 0;
m_offsetVStepSize = 0;
m_imageHStepSize = 0;
m_imageVStepSize = 0;
m_startX = 0;
m_startY = 0;
m_offsetX = 0;
m_offsetY = 0;
m_currX = 0;
m_currY = 0;
m_isDisabled = false;
m_imageSizeChanged = false;
}
/* would be prettier! */
CPagePreview::CPagePreview() :
Hand(Gdk::FLEUR)
{
int hrequest = 250;
int wrequest = 180;
image_width_ratio = 0.8;
image_height_ratio = 0.8;
borderratio = 0.05;
offset = 2.0;
xborder = wrequest*borderratio;
yborder = hrequest*borderratio;
page_width = wrequest-2*xborder;
page_height = hrequest-2*yborder;
lmargin_ratio = rmargin_ratio = bmargin_ratio = tmargin_ratio = 0;
lmargin = rmargin = page_width * rmargin_ratio;
bmargin = tmargin = page_height * tmargin_ratio;
lmargin = bmargin = rmargin = tmargin = 10;
uleft.x = xborder-offset+lmargin;
uleft.y = yborder-offset+tmargin;
lright.x = uleft.x+(page_width-rmargin-lmargin);
lright.y = uleft.y+(page_height-bmargin-tmargin);
xpos = uleft.x;
ypos = uleft.y;
//std::cout << uleft.x << " " << lright.x << " " << page_width << " " << lright.x - uleft.x << " " << lmargin + rmargin << std::endl;
set_size_request(wrequest,hrequest);
// set up event mask
set_events(
Gdk::EXPOSURE_MASK |
Gdk::BUTTON1_MOTION_MASK |
Gdk::BUTTON_PRESS_MASK |
Gdk::BUTTON_RELEASE_MASK );
signal_motion_notify_event().connect(sigc::mem_fun(*this,&CPagePreview::on_button1_pressed_motion));
signal_button_press_event().connect(sigc::mem_fun(*this,&CPagePreview::on_button_press_event));
signal_button_release_event().connect(sigc::mem_fun(*this,&CPagePreview::on_button_release_event));
}
void CEpoller::create(uint32_t epoll_size)
{
_epoll_size = epoll_size;
_max_events = epoll_size;
_events = new struct epoll_event[_epoll_size];
_epfd = epoll_create(_epoll_size);
if (-1 == _epfd)
{
delete []_events;
_events = NULL;
THROW_SYSCALL_EXCEPTION(NULL, errno, "epoll_create");
}
// 将Sensor注入Epoll
_sensor.create();
set_events(&_sensor, EPOLLIN);
}
toggle::toggle()
{
val = 0;
pos_mode=0;
label = "TOGGLE";
top_colour.set( "#550000");
bottom_colour.set( "#220000");
// make the click events call the on_button_press_event function
set_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
// make the click event do that function
// signal_button_press_event().connect( sigc::mem_fun(*this, &toggle::on_button_press_event) );
set_size_request(40,70);
rounded = 5;
}
void
follow(file_info_t *files, enum STYLE style, off_t off)
{
int active, i, n;
file_info_t *file;
struct stat sb2;
struct timespec ts;
/* Position each of the files */
file = files;
active = 0;
n = 0;
for (i = 0; i < no_files; i++, file++) {
if (file->fp) {
active = 1;
n++;
if (no_files > 1)
showfilename(i, file->file_name);
forward(file->fp, style, off, &file->st);
if (Fflag && fileno(file->fp) != STDIN_FILENO)
n++;
}
}
if (!active)
return;
kq = kqueue();
if (kq == -1)
err(1, "kqueue");
ev = malloc(n * sizeof(struct kevent));
if (ev == NULL)
err(1, "Couldn't allocate memory for kevents.");
set_events(files);
for (;;) {
for (i = 0, file = files; i < no_files; i++, file++) {
if (file->fp == NULL)
continue;
if (Fflag && fileno(file->fp) != STDIN_FILENO) {
if (stat(file->file_name, &sb2) == -1) {
/*
* file was rotated, skip it until it
* reappears.
*/
continue;
}
if (sb2.st_ino != file->st.st_ino ||
sb2.st_dev != file->st.st_dev ||
sb2.st_nlink == 0) {
file->fp = freopen(file->file_name, "r",
file->fp);
if (file->fp == NULL) {
ierr();
continue;
} else {
memcpy(&file->st, &sb2,
sizeof(struct stat));
set_events(files);
}
}
}
show(file, i);
}
switch (action) {
case USE_KQUEUE:
ts.tv_sec = 1;
ts.tv_nsec = 0;
/*
* In the -F case, we set a timeout to ensure that
* we re-stat the file at least once every second.
*/
n = kevent(kq, NULL, 0, ev, 1, Fflag ? &ts : NULL);
if (n == -1)
err(1, "kevent");
if (n == 0) {
/* timeout */
break;
} else if (ev->filter == EVFILT_READ && ev->data < 0) {
/* file shrank, reposition to end */
if (lseek(ev->ident, 0, SEEK_END) == -1) {
ierr();
continue;
}
}
break;
case USE_SLEEP:
usleep(250000);
break;
}
}
}
int
main(
int argc,
char *argv[])
{
int c;
int error;
void *fs_hanp;
size_t fs_hlen;
char buf[BUFSIZ + 8];
Progname = argv[0];
fsname = NULL;
while ((c = getopt(argc, argv, "vs:S:")) != EOF) {
switch (c) {
case 's':
Sleep = atoi(optarg);
break;
case 'S':
oldsid = atoi(optarg);
break;
case 'v':
Verbose = 1;
break;
case '?':
default:
usage(Progname);
exit(1);
}
}
if (optind >= argc) {
usage(Progname);
exit(1);
}
fsname = argv[optind];
if (fsname == NULL) {
usage(Progname);
exit(1);
}
/*
* Establish an exit handler
*/
error = establish_handler();
if (error)
exit(1);
/*
* Init the dmapi, and get a filesystem handle so
* we can set up our events
*/
if (oldsid) {
sid = oldsid;
} else {
error = setup_dmapi(&sid);
if (error)
exit(1);
}
error = get_fs_handle(fsname, &fs_hanp, &fs_hlen);
if (error)
goto cleanup;
/*
* Set the event disposition so that our session will receive
* all the events for the given file system
*/
error = set_disposition(sid, fs_hanp, fs_hlen);
if (error)
goto cleanup;
/*
* Enable monitoring for all events in the given file system
*/
error = set_events(sid, fs_hanp, fs_hlen);
if (error)
goto cleanup;
/*
* Set line buffering!!
*/
error = setvbuf(stdout, buf, _IOLBF, BUFSIZ);
if (error)
goto cleanup;
/*
* Now sit in an infinite loop, reporting on any events that occur.
* The program is exited after a signal through exit_handler().
*/
printf("\n");
event_loop(sid, 1 /*waitflag*/);
/*
* If we get here, cleanup after the event_loop failure
*/
cleanup:
exit_handler(0);
return(1);
}
/*
* First, weed out the events which return interesting structures.
* If it's not one of those, unpack the dm_namesp_event structure
* and display the contents.
*/
int
handle_message(
dm_sessid_t sid,
dm_eventmsg_t *msg)
{
int pkt_error = 0;
int error;
dm_response_t response = DM_RESP_INVALID;
int respond, respcode = 0;
dm_namesp_event_t *msg_ne;
#if !VERITAS
dm_mount_event_t *msg_me;
#endif
void *hanp1, *hanp2, *namp1, *namp2;
u_int hlen1, hlen2, nlen1, nlen2;
char hans1[HANDLE_STR], hans2[HANDLE_STR];
char nams1[NAME_MAX + 1], nams2[NAME_MAX + 1];
void *fs_hanp;
size_t fs_hlen;
dm_timestruct_t *pending_time;
/*
* Set the defaults for responding to events
*/
/*****************************************************
* If the daemon is feeling unfriendly, it will
* respond (when necessary) with DM_RESP_ABORT, rather
* than the standard DM_RESP_CONTINUE.
*
* While unfriendly, the daemon normally returns
* a respcode of "unfriendly_errno". This defaults to
* EBADMSG but can be set when unfriendly mode is
* activated.
*****************************************************/
respond = 1;
if (unfriendly_count==0) {
response = friendly ? DM_RESP_CONTINUE : DM_RESP_ABORT;
respcode = friendly ? 0 : unfriendly_errno;
}
else if (unfriendly_count > 0) {
if (unfriendly_count-- == 0) {
response = DM_RESP_CONTINUE;
respcode = 0;
}
else {
response = DM_RESP_ABORT;
respcode = unfriendly_errno;
}
}
if (pending_count >= 0) {
if (msg->ev_type != DM_EVENT_USER) {
if (pending_count-- == 0) {
int i;
for (i=arr_top; i>=0; --i) {
dm_respond_event(sid, token_arr[i],
DM_RESP_CONTINUE, 0, 0, 0);
}
response = DM_RESP_CONTINUE;
respcode = 0;
}
else {
if (pending_count<10) {
token_arr[pending_count]=msg->ev_token;
}
pending_time = malloc(sizeof(dm_timestruct_t));
pending_time->dm_tv_sec=0;
pending_time->dm_tv_nsec=0;
dm_pending(sid, msg->ev_token, pending_time);
printf("pending\ntries left\t:%d\n",pending_count);
return 0;
}
}
}
/***** USER EVENTS *****/
if (msg->ev_type == DM_EVENT_USER) {
char *privp;
u_int plen, i;
printf(HDR,
"user", msg->ev_token, msg->ev_sequence);
/* print private data as ascii or hex if it exists
DM_CONFIG_MAX_MESSAGE_DATA */
privp = DM_GET_VALUE(msg, ev_data, char *);
plen = DM_GET_LEN (msg, ev_data);
if (plen) {
for (i = 0; i < plen; i++) {
if (!isprint(privp[i]) && !isspace(privp[i]))
break;
}
if (i == plen - 1 && privp[i] == '\0') {
/*****************************************************
* Here, we check the messages from send_message.
* Some of them have special meanings.
*****************************************************/
if (strncmp(privp, "over", 4)==0) {
response = DM_RESP_CONTINUE;
respcode = 0;
}
else if (strncmp(privp, "pending", 7)==0){
if (strlen(privp)>8) {
sscanf(privp, "pending%*c%d", &pending_count);
}
else {
pending_count=1;
}
arr_top=pending_count-1;
}
else if (strncmp(privp, "reset_fs", 8)==0){
if (get_fs_handle(fsname, &fs_hanp, &fs_hlen)){
strcpy(privp, "error");
}
else if (set_disposition(sid, fs_hanp, fs_hlen)){
strcpy(privp, "error");
}
else if (set_events(sid, fs_hanp, fs_hlen)){
strcpy(privp, "error");
}
}
else if (strncmp(privp, "friendly", 8)==0) {
friendly = 1;
response = DM_RESP_CONTINUE;
respcode = 0;
}
else if (strncmp(privp, "unfriendly", 10)==0) {
friendly = 0;
response = DM_RESP_CONTINUE;
respcode = 0;
if (strlen(privp)>11) {
sscanf(privp, "unfriendly%*c%d", &unfriendly_errno);
}
else {
unfriendly_errno=EBADMSG;
}
}
else if (strncmp(privp, "countdown", 9)==0) {
response = DM_RESP_CONTINUE;
respcode = 0;
if (strlen(privp)>10) {
sscanf(privp, "countdown%*c%d%*c%d",
&unfriendly_count, &unfriendly_errno);
}
else {
unfriendly_count=5;
unfriendly_errno=EAGAIN;
}
}
printf(VALS,
"privdata", privp);
} else {
printf("privdata :");
for (i = 0; i < plen; i++) {
printf("%.2x", privp[i]);
}
printf("\n");
}
} else {
printf(VALS,
"privdata", "<NONE>");
}
if (msg->ev_token == DM_INVALID_TOKEN) /* async dm_send_msg event */
respond = 0;
}
/*
* follow -- display the file, from an offset, forward.
*
*/
void
follow(file_info_t *files, enum STYLE style, off_t off)
{
int active, ev_change, i, n = -1;
struct stat sb2;
file_info_t *file;
struct timespec ts;
/* Position each of the files */
file = files;
active = 0;
n = 0;
for (i = 0; i < no_files; i++, file++) {
if (file->fp) {
active = 1;
n++;
if (no_files > 1 && !qflag)
(void)printf("\n==> %s <==\n", file->file_name);
forward(file->fp, file->file_name, style, off, &file->st);
if (Fflag && fileno(file->fp) != STDIN_FILENO)
n++;
}
}
if (!Fflag && !active)
return;
last = --file;
kq = kqueue();
if (kq < 0)
err(1, "kqueue");
ev = malloc(n * sizeof(struct kevent));
if (! ev)
err(1, "Couldn't allocate memory for kevents.");
set_events(files);
for (;;) {
ev_change = 0;
if (Fflag) {
for (i = 0, file = files; i < no_files; i++, file++) {
if (!file->fp) {
file->fp = fopen(file->file_name, "r");
if (file->fp != NULL &&
fstat(fileno(file->fp), &file->st)
== -1) {
fclose(file->fp);
file->fp = NULL;
}
if (file->fp != NULL)
ev_change++;
continue;
}
if (fileno(file->fp) == STDIN_FILENO)
continue;
if (stat(file->file_name, &sb2) == -1) {
if (errno != ENOENT)
ierr(file->file_name);
show(file);
if (file->fp != NULL) {
fclose(file->fp);
file->fp = NULL;
}
ev_change++;
continue;
}
if (sb2.st_ino != file->st.st_ino ||
sb2.st_dev != file->st.st_dev ||
sb2.st_nlink == 0) {
show(file);
file->fp = freopen(file->file_name, "r",
file->fp);
if (file->fp != NULL)
memcpy(&file->st, &sb2,
sizeof(struct stat));
else if (errno != ENOENT)
ierr(file->file_name);
ev_change++;
}
}
}
for (i = 0, file = files; i < no_files; i++, file++)
if (file->fp && !show(file))
ev_change++;
if (ev_change)
set_events(files);
switch (action) {
case USE_KQUEUE:
ts.tv_sec = 1;
ts.tv_nsec = 0;
/*
* In the -F case we set a timeout to ensure that
* we re-stat the file at least once every second.
*/
n = kevent(kq, NULL, 0, ev, 1, Fflag ? &ts : NULL);
if (n < 0)
err(1, "kevent");
if (n == 0) {
/* timeout */
break;
} else if (ev->filter == EVFILT_READ && ev->data < 0) {
/* file shrank, reposition to end */
if (lseek(ev->ident, (off_t)0, SEEK_END) == -1) {
ierr(file->file_name);
continue;
}
}
break;
case USE_SLEEP:
(void) usleep(250000);
break;
}
}
}
int
main(
int argc,
char *argv[])
{
int c;
int error;
char *fsname, *logfile;
dm_sessid_t sid;
void *fs_hanp;
size_t fs_hlen;
Progname = argv[0];
fsname = NULL;
logfile = NULL;
while ((c = getopt(argc, argv, "vl:")) != EOF) {
switch (c) {
case 'v':
Verbose = 1;
break;
case 'l':
logfile = optarg;
break;
case '?':
default:
usage(Progname);
exit(1);
}
}
if (optind >= argc) {
usage(Progname);
exit(1);
}
fsname = argv[optind];
if (fsname == NULL) {
usage(Progname);
exit(1);
}
/*
* If no logfile name is specified, we'll just send
* all output to some file in /tmp
*/
if (logfile == NULL)
logfile = LOG_DEFAULT;
/*
* Now we have our filesystem name and possibly a size threshold
* to look for. Init the dmapi, and get a filesystem handle so
* we can set up our events
*/
error = setup_dmapi(&sid);
if (error)
exit(1);
if (dm_path_to_fshandle(fsname, &fs_hanp, &fs_hlen) == -1) {
errno_msg("Can't get filesystem handle");
exit(1);
}
/*
* Turn ourselves into a daemon
*/
error = mk_daemon(logfile);
if (error)
exit(1);
/*
* Set the event disposition so that our session will receive
* the managed region events (read, write, and truncate)
*/
error = set_events(sid, fs_hanp, fs_hlen);
if (error)
exit(1);
/*
* Now wait forever for messages, spawning kids to
* do the actual work
*/
event_loop(sid);
return(0);
}