xgooey etc. root_gui/root_framework/exweb/exam_reg

1
xgooey etc.root_gui/root_framework/exweb/exam_reg

• xgooey, root_gui executable, ROOT File browser
• File mode
• Local disk - ROOT File
• Remote rootd server - Net File
• Remote HTTP server - Web File
• DAQ mode
• Creator - Start/Stop Examine, execute macros on
  remote Examine, Pause/Resume, Abort, Status (fwk
  report package_name)
• Observer - Read-Only access to Examine
• Thread for server commincations
• Select Examine
• Browse File/Examine Root directory structure

D0 Workshop 2002 Joel Snow Langston University
2
xgooey etc.root_gui/root_framework/exweb/exam_reg

• Select/Display 1/2/3-dim histograms and ntuples
• Update, Cycle, Step1, Compare, Print, Save,
  Reset
• Message Log
• Options Window - set histogram display options
• Preferences Window - set Examine, display, time
  out parameters
• xgooeyrc initialization file
• http//www-d0.fnal.gov/d0dist/dist/root_gui/v02-03
  -01/doc/ for more info (README, release notes)
• Will Add local Root macro execution capabilities
  to xgooey in File mode.

D0 Workshop 2002 Joel Snow Langston University
3
xgooey etc.root_gui/root_framework/exweb/exam_reg

• root_framework - Root histogram server built on
  D0 framework
• Serves GUI client (xgooey) and CGI client (exweb)
• Thread for client communications
• Register histograms with server
• Remote mode - started by xgooey with server
• Execute dynamically loaded Root macros sent from
  Creator xgooey
• Server mode - started from command line with
  server
• Local mode - started from command line without
  server
• http//www-d0.fnal.gov/d0dist/dist/root_framework/
  v02-03-00/doc/ for more info (README, HowTos,
  release notes, example Examine)

D0 Workshop 2002 Joel Snow Langston University
4
xgooey etc.root_gui/root_framework/exweb/exam_reg

• exweb - CGI client of root_framework histogram
  server
• Provides web access to dynamically generated
  histograms served by root_framework Examine.
• Choose Examine to attach
• Lists available histograms, select for display in
  web browser
• Auto update capability
• Requires JavaScript enabled browser for some
  features and X virtual frame buffer driver
  running on web server
• http//www-d0.fnal.gov/d0dist/dist/exweb/v01-01-03
  /README.html for more info
• access at http//www-d0online.fnal.gov/www/examin
  e/examine.html http//www-d0ol.fnal.gov/www/examin
  e/examine.html

D0 Workshop 2002 Joel Snow Langston University
5
xgooey etc.root_gui/root_framework/exweb/exam_reg

• exam_reg executable exreg provides light-weight
  multi-threaded server functioning as an Examine
  registry
• Operates with xgooey, root_framework, and exweb
• Provides directory of running root_framework
  based Examines in server or remote modes to GUI
  and CGI clients.
• Clients choose which Examine to attach to (in
  Observer mode) from list provided by registry.
• Examines transparently ping registry with id
  info
• Registry maintains database of ping info to
  supply clients.
• Host d0ol20, Port 52340
• http//www-d0.fnal.gov/d0dist/dist/exam_reg/v01-00
  -04/README.html for more info

D0 Workshop 2002 Joel Snow Langston University