/[scripts]/trunk/webthumb
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 60 by dpavlin, Wed Feb 6 19:48:56 2008 UTC revision 61 by dpavlin, Wed Feb 6 21:26:10 2008 UTC
# Line 33  H=768 Line 33  H=768
33  # and then resize it to (comment out to disable)  # and then resize it to (comment out to disable)
34  #RESIZE=200x  #RESIZE=200x
35    
36    # turn locally visible Xnest server to watch progress
37    DEBUG=0
38    test ! -z "$3" && DEBUG=1
39    
40    # wait for $WAIT seconds for page to load
41    WAIT=30
42    
43  # some configurable paths  # some configurable paths
44  BROWSER=mozilla-firefox  BROWSER=mozilla-firefox
45  XSERVER=Xvfb  XSERVER=Xvfb
# Line 44  FRAMESET="`mktemp`.html" Line 51  FRAMESET="`mktemp`.html"
51  PROFILE_DIR=`mktemp -d`  PROFILE_DIR=`mktemp -d`
52  PORT=8888  PORT=8888
53    
54    LOCAL_DISPLAY=$DISPLAY
55    
56  if [ -z "$URL" ] ; then  if [ -z "$URL" ] ; then
57          echo "usage: $0 http://url.to.capture [screenshot.jpg]"          echo "usage: $0 http://url.to.capture [screenshot.jpg]"
58          exit 1          exit 1
# Line 59  if [ -z "`which $XSERVER`" ] ; then Line 68  if [ -z "`which $XSERVER`" ] ; then
68          exit 1          exit 1
69  fi  fi
70    
71    while netstat -ln | grep ":$PORT " >/dev/null ; do
72            PORT=`expr $PORT + 1`
73    done
74    
75    echo "### using port $PORT"
76    
77  echo -n "testing URL $URL "  echo -n "testing URL $URL "
78  if HEAD $URL >/dev/null ; then  if HEAD $URL >/dev/null ; then
79          echo "ok"          echo "ok"
# Line 71  echo "starting X server $XSERVER" Line 86  echo "starting X server $XSERVER"
86    
87  export DISPLAY=:42  export DISPLAY=:42
88    
89  $XSERVER -ac -screen 0 ${W}x${H}x24 $DISPLAY &  
90  # debug server  if [ "$DEBUG" == 1 ] ; then
91  #Xnest -display :0 -ac -geometry ${W}x${H} -depth 24 $DISPLAY &          echo "Using locally visible debug server on $LOCAL_DISPLAY"
92            Xnest -display $LOCAL_DISPLAY -ac -geometry ${W}x${H} -depth 24 $DISPLAY 2>/dev/null &
93    else
94            $XSERVER -ac -screen 0 ${W}x${H}x24 $DISPLAY 2>/dev/null &
95    fi
96    
97  XSERVER_PID=$!  XSERVER_PID=$!
98  echo "using pid $xserver_pid for X server"  echo "using pid $XSERVER_PID for X server"
99    
100  function kill_x_server() {  function kill_x_server() {
101          kill $BROWSER_PID          echo "Killing server $XSERVER_PID"
102          kill $XSERVER_PID          kill $XSERVER_PID
103          rm -f $FRAMESET          rm -f $FRAMESET
104          rm -fr $PROFILE_DIR          rm -fr $PROFILE_DIR
105            exit 1
106  }  }
107  trap 'echo "QUIT!" >&2; kill_x_server; exit 1' INT QUIT TERM SEGV  trap 'kill_x_server' INT QUIT TERM SEGV EXIT
108    
109  # create frameset to load site and after site is loaded trigger this script  # create frameset to load site and after site is loaded trigger this script
110  cat > $FRAMESET <<END_OF_FRAMESET  cat > $FRAMESET <<END_OF_FRAMESET
# Line 103  echo "Using frameset html $FRAMESET" Line 123  echo "Using frameset html $FRAMESET"
123  echo "preview available with: xwd -display $DISPLAY -root | xwud"  echo "preview available with: xwd -display $DISPLAY -root | xwud"
124    
125  echo "making 'Screenshot' profile in $PROFILE_DIR"  echo "making 'Screenshot' profile in $PROFILE_DIR"
126  $BROWSER -CreateProfile "Screenshot $PROFILE_DIR" | grep Success  $BROWSER -CreateProfile "Screenshot $PROFILE_DIR" 2>/dev/null | grep Success
127    
128  echo "launching browser $BROWSER with $URL"  echo "launching browser $BROWSER with $URL"
129  $BROWSER -P Screenshot -width $W -height $H $FRAMESET &  $BROWSER -P Screenshot -width $W -height $H $FRAMESET 2>/dev/null &
130  BROWSER_PID=$!  BROWSER_PID=$!
131    
132  echo "staring web server (wait for page to load)"  function kill_browser() {
133            echo "Killing browser $BROWSER_PID"
134            kill $BROWSER_PID
135            echo "Killing server $XSERVER_PID"
136            kill $XSERVER_PID
137            rm -f $FRAMESET
138            rm -fr $PROFILE_DIR
139            exit 1
140    }
141    trap 'kill_browser' INT QUIT TERM SEGV EXIT
142    
143    echo "waiting for on_load event from browser $BROWSER_PID for ${WAIT}s"
144    
145  # there is hard-coded limit here:  # there is hard-coded limit here:
146  # we will wait 60sec for page to load and render  # we will wait $WAIT sec for page to load and render
147    
148  echo -e "HTTP/1.0 304 Not modified\r\n\r\n" | nc -l -w 60 -p $PORT >/dev/null  echo -e "HTTP/1.0 304 Not modified\r\n\r\n" | nc -l -w $WAIT -p $PORT >/dev/null || echo "Timeout after $WAIT sec!"
149    
150  # get Mozilla Firefox window id (for resize)  # get Mozilla Firefox window id (for resize)
151  WINDOW_ID=`xwininfo -display $DISPLAY -root -tree | grep gecko | cut -d\" -f1 | sort -n | head -1`  WINDOW_ID=`xwininfo -display $DISPLAY -root -tree | grep gecko | cut -d\" -f1 | sort -n | head -1`
# Line 155  fi Line 186  fi
186    
187  import -window $DUMP_ID $RESIZE $FILE  import -window $DUMP_ID $RESIZE $FILE
188    
 kill_x_server  
   
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