core-extra/gui/exec.tcl
2014-01-21 22:17:31 +00:00

865 lines
26 KiB
Tcl
Executable file

#
# Copyright 2005-2013 the Boeing Company.
# See the LICENSE file included in this distribution.
#
#
# Copyright 2004-2008 University of Zagreb, Croatia.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# This work was supported in part by the Croatian Ministry of Science
# and Technology through the research contract #IP-2003-143.
#
#****f* exec.tcl/nexec
# NAME
# nexec -- execute program
# SYNOPSIS
# set result [nexec $args]
# FUNCTION
# Executes the sting given in args variable. The sting is not executed
# if IMUNES is running in editor only mode. Execution of a string can
# be local or remote. If socket can not be opened in try of a remote
# execution, mode is switched to editor only mode.
# INPUTS
# * args -- the string that should be executed localy or remotely.
# RESULT
# * result -- the standard output of the executed string.
#****
proc nexec { node args } {
global exec_servers
# debug output of every command
#puts "nexec($node): $args"
#if {[lsearch $args ngctl] != -1 } {
# puts "XXX $args"
# set fileId [open "nexec.log" a]
# puts $fileId $args
# close $fileId
#}
# safely exec the given command, printing errors to stdout
if { $node == "localnode" } { ;# local execution
if { [ catch {eval exec $args} e ] } {
if { $e == "child process exited abnormally" } { return };# ignore
puts "error executing: exec $args ($e)"
}
return $e
} else {
puts "error: nexec called with node=$node"
}
}
proc acquireOperModeLock { mode } {
global setOperMode_lock oper_mode
if { ![info exists setOperMode_lock] } { set setOperMode_lock 0 }
if { $oper_mode == "exec" } {
# user somehow pressed start while we were still shutting down...
if { $mode == "exec" } {
set choice [tk_messageBox -type yesno -default no -icon warning \
-message "You have selected to start the session while the previous one is still shutting down. Are you sure you want to interrupt the shutdown? (not recommended)"]
if { $choice == "no" } {
set activetool select
return; # return and allow previous setOperMode to finish...
}
# check if user pressed stop while we were starting up...
} elseif { $setOperMode_lock } { ;# mode == "edit"
set choice [tk_messageBox -type yesno -default no -icon warning \
-message "You are trying to stop the session while it is still starting. Are you sure you want to interrupt the startup? (not recommeded)"]
if { $choice == "no" } {
set activetool select
return; # return and allow previous setOperMode to finish...
}
}
}
set setOperMode_lock 1
}
proc releaseOperModeLock { } {
global setOperMode_lock
set setOperMode_lock 0
}
proc checkRJ45s {} {
global systype node_list g_prefs
if { [lindex $systype 0] == "Linux" } {
set extifcs [nexec localnode /sbin/ifconfig -a -s | tail -n +2 | awk "{ print \$1 }" | xargs]
set extifcs \
[lreplace $extifcs [lsearch $extifcs lo] [lsearch $extifcs lo]]
} else {
set extifcs [nexec localnode ifconfig -l]
set extifcs \
[lreplace $extifcs [lsearch $extifcs lo0] [lsearch $extifcs lo0]]
}
foreach node $node_list {
if { [getNodeLocation $node] != "" } { continue }
if { [nodeType $node] == "rj45" } {
set i [lsearch $extifcs [getNodeName $node]]
if { $i >= 0 } { continue }
set msg "Error: external interface \"[getNodeName $node]\""
set msg "$msg does not exist. Press OK to continue with RJ45s"
set msg "$msg disabled. NOTE: this setting can be re-enabled"
set msg "$msg through Session > Options..."
set choice [tk_messageBox -type okcancel -icon error -message $msg]
if { $choice == "cancel" } {
return -1
}
setSessionOptions "" "enablerj45=0"
break;
}
}
return 0
}
proc drawToolbar { mode } {
global CORE_DATA_DIR
global activetoolp defSelectionColor
set activetoolp ""
markerOptions off
#
# edit mode button bar
#
set buttons [list start link]
foreach b $buttons {
if { $mode == "exec"} { destroy .left.$b } else {
# add buttons when in edit mode
set imgf "$CORE_DATA_DIR/icons/tiny/$b.gif"
set image [image create photo -file $imgf]
catch {
radiobutton .left.$b -indicatoron 0 \
-variable activetool -value $b -selectcolor $defSelectionColor \
-width 32 -height 32 -image $image \
-command "popupMenuChoose \"\" $b $imgf"
leftToolTip $b .left
pack .left.$b -side top
}
}
}
# popup toolbar buttons have submenus
set buttons {routers hubs bgobjs}
foreach b $buttons {
if { $mode == "exec"} { destroy .left.$b } else {
# create buttons for parent items
set menubuttons { }
if { $b == "routers" } {
set menubuttons [getNodeTypeNames]
} elseif { $b == "hubs" } {
set menubuttons { hub lanswitch wlan rj45 tunnel }
} elseif { $b == "bgobjs" } {
set menubuttons { marker oval rectangle text }
}
set firstb [lindex $menubuttons 0]
set firstfn "$CORE_DATA_DIR/icons/tiny/$firstb.gif"
set image [image create photo -file $firstfn]
$image read "$CORE_DATA_DIR/icons/tiny/arrow.gif" -to 27 22
# create the parent menu
menubutton .left.$b -indicatoron 0 -direction right \
-width 32 -height 32 -image $image \
-padx 0 -pady 0 -relief raised \
-menu .left.${b}.menu
set buttonmenu [menu .left.${b}.menu \
-activebackground $defSelectionColor \
-borderwidth 1 -tearoff 0]
# create the child menutbuttons
drawToolbarSubmenu $b $menubuttons
# tooltips for parent and submenu items
leftToolTip $b .left
bind $buttonmenu <<MenuSelect>> {leftToolTipSubMenu %W}
bind $buttonmenu <Leave> {
set newlen [expr {[string length %W] - 6}]
set w [string range %W 0 $newlen]
destroy ${w}.balloon
}
# set submenu tooltips for user-defined types to type name
setLeftTooltips $b $menubuttons
pack .left.$b -side top
}
}
#
# Exec mode button bar
#
if { "$mode" == "edit" } {
.left.start configure -command "startStopButton exec"
}
foreach b {stop observe plot marker twonode run } {
if { "$mode" != "exec" } { destroy .left.$b } else {
set cmd ""
set fn "$CORE_DATA_DIR/icons/tiny/$b.gif"
set image [image create photo -file $fn]
if { $b == "stop" } {
set cmd "startStopButton edit"
} elseif { $b == "observe" } {
set cmd "popupObserverWidgets"
} elseif { $b == "marker" } {
set cmd "markerOptions on"
} elseif { $b == "mobility" } {
set cmd "popupMobilityDialog"
} elseif { $b == "twonode" } {
set cmd "popupTwoNodeDialog"
} elseif { $b == "run" } {
set cmd "popupRunDialog"
}
# add more cmds here
radiobutton .left.$b -indicatoron 0 \
-variable activetool -value $b -command $cmd \
-selectcolor [.left cget -bg] \
-width 32 -height 32 -activebackground gray -image $image
leftToolTip $b .left
pack .left.$b -side top
}
}
# turn off any existing tooltip
balloon .left ""
}
proc drawToolbarSubmenu { b menubuttons } {
global CORE_DATA_DIR
set buttonmenu .left.${b}.menu
if { ![winfo exists $buttonmenu] } {
return ;# this may occur in exec mode
}
$buttonmenu delete 0 end
foreach menubutton $menubuttons {
if { $b == "routers" } {
set imgf [getNodeTypeImage $menubutton tiny]
} else {
set imgf "$CORE_DATA_DIR/icons/tiny/${menubutton}.gif"
}
if { ![file exists $imgf] } { ;# pop custom filename from list
puts "**warning: missing icon $imgf"
continue
}
set img [createImageButton $imgf 0]
$buttonmenu add command -image $img -columnbreak 1 \
-command "popupMenuChoose $b $menubutton $imgf"
}
# add an edit button to the end of the row
if { $b == "routers" } {
set imgf "$CORE_DATA_DIR/icons/normal/document-properties.gif"
set img [createImageButton $imgf 0]
$buttonmenu add command -image $img -columnbreak 1 \
-command "popupNodesConfig"
}
}
proc setSessionStartStopMenu { mode } {
if { $mode == "exec" } {
catch {.menubar.session entryconfigure "Start" \
-label "Stop" -command "startStopButton edit"}
} else {
catch {.menubar.session entryconfigure "Stop" \
-label "Start" -command "startStopButton exec"}
}
}
proc updateMenus { mode } {
set s "normal"
if { $mode == "exec" } {
set s "disabled"
}
.menubar.tools entryconfigure "Auto rearrange all" -state $s
.menubar.tools entryconfigure "Auto rearrange selected" -state $s
.menubar.session entryconfigure "Node types..." -state $s
.menubar.session entryconfigure "Emulation servers..." -state $s
if { $s == "normal" } { set s "" }
updateUndoRedoMenu $s
}
proc startStopButton { mode } {
global activetool
#
# Prepare API channel for emulation. Do this before any GUI changes
# so that connect failures leave the GUI in edit mode.
setSystype
global systype
set emul_sock 0
if { $mode == "exec" } {
set msg "The CORE daemon must be running and your kernel must support"
set msg "$msg virtualization for the emulation to start."
} elseif { $mode == "edit" } {
set msg "Communication with daemon was lost."
} else {
puts "unsupported mode: $mode"
return
}
set plugin [lindex [getEmulPlugin "*"] 0]
set emul_sock [pluginConnect $plugin connect true]
if { $emul_sock == "" || $emul_sock == -1 } {
tk_messageBox -type ok -icon warning -message $msg
releaseOperModeLock
set activetool select
return
}
setOperMode $mode
}
#****f* exec.tcl/setOperMode
# NAME
# setOperMode -- set operating mode
# SYNOPSIS
# setOperMode $mode
# FUNCTION
# Sets imunes operating mode to the value of the parameter mode.
# The mode can be set only to edit or exec.
# When changing the mode to exec all the emulation interfaces are
# checked (if they are nonexistent the message is displayed, and
# mode is not changed), all the required buttons are disabled
# (except the simulation/Terminate button, that is enabled) and
# procedure deployCfg is called.
# When changing the mode to edit, all required buttons are enabled
# (except for simulation/Terminate button that is disabled) and
# procedure cleanupCfg is called.
# INPUTS
# * mode -- the new operating mode. Can be edit or exec.
#****
proc setOperMode { mode { type "" } } {
global oper_mode activetool
global undolevel redolevel
global g_prefs
# special handling when experiment is already running
acquireOperModeLock $mode
# Verify that links to external interfaces are properly configured
if { $mode == "exec" && [getSessionOption enablerj45 1]==1 } {
if { [checkRJ45s] < 0 } {
releaseOperModeLock
set activetool select
return
}
}
# start/stop menu item
setSessionStartStopMenu $mode
#
# take care of GUI changes and bindings when switching modes
#
drawToolbar $mode
if { $mode == "edit" } { ;# these are the default bindings
.c bind node <Double-1> "popupConfigDialog .c"
.c bind nodelabel <Double-1> "popupConfigDialog .c"
} else { ;# double-click to open shell
.c bind node <Double-1> "button3node .c %x %y shift"
.c bind nodelabel <Double-1> "button3node .c %x %y shift"
}
set activetool select
.left.select configure -state active
updateMenus $mode
blinkCEL "stop"
#
# Start/stop the emulation
#
### start button is pressed
if { "$mode" == "exec" } {
rearrange_off
set oper_mode exec
resetAllNodeCoords save
clearExceptions "" ""
throwCEL true
# Bind left mouse click to displaying the CPU usage in
# a graph format
bind .bottom.cpu_load <1> {manageCPUwindow %X %Y 1}
monitor_loop
set plugin [lindex [getEmulPlugin "*"] 0]
set emul_sock [pluginConnect $plugin connect false]
if {$type != "connect"} {
deployCfgAPI $emul_sock
}
widget_loop
mobility_script_loop
### stop button is pressed
} else {
if {$oper_mode != "edit"} {
set t_start [clock seconds]
shutdownSession
statgraph off 0
set t_elapsed [expr {[clock seconds] - $t_start}]
statline "Cleanup completed in $t_elapsed seconds."
}
clearLinkHighlights
catch { destroy .popup }
clearWlanLinks ""
widgets_stop
set oper_mode edit
# Bind left mouse click to clearing the CPU graph
bind .bottom.cpu_load <1> {manageCPUwindow %X %Y 0}
manageCPUwindow %X %Y 0
}
.c config -cursor left_ptr
releaseOperModeLock
}
#****f* exec.tcl/statline
# NAME
# statline -- status line
# SYNOPSIS
# statline $line
# FUNCTION
# Sets the string of the status line. If the execution mode is
# set to batch the line is just printed on the standard output.
# INPUTS
# * line -- line to be displayed
#****
proc statline {line} {
global execMode
if {$execMode == "batch" || $execMode == "addons"} {
puts $line
} else {
.bottom.textbox config -text "$line"
animateCursor
}
}
proc getNextMac {} {
global mac_byte4 mac_byte5
set a [format %.2x $mac_byte4]
set b [format %.2x $mac_byte5]
incr mac_byte5
if { $mac_byte5 >= 255 } {
set mac_byte5 0
incr mac_byte4
}
return "00:00:00:aa:$a:$b"
}
#****f* exec.tcl/monitor_loop
# NAME
# monitor_loop -- monitor loop
# SYNOPSIS
# monitor_loop
# FUNCTION
# Calculates the usage of cpu, mbuffers and mbuf clusters.
# The results are displayed in status line and updated
# every two seconds.
#****
proc monitor_loop {} {
global oper_mode systype
global server_cpuusage
global exec_servers
if {$oper_mode != "exec"} {
.bottom.cpu_load config -text ""
.bottom.mbuf config -text ""
return
}
if { [lindex $systype 0] == "Linux" } {
set cpuusage [getCPUUsage]
#TODO: get the cpu usage on all the assigned server
# store usage history for each server stored in an array list
set assigned_servers [getAssignedRemoteServers]
for {set i 0} {$i <= [llength $assigned_servers]} {incr i} {
if {$i == [llength $assigned_servers]} {
# localhost
set ip [getMyIP]
set cpuusageforserver [lindex $cpuusage 0]
} else {
set server [lindex $assigned_servers $i]
set srv [array get exec_servers $server]
if { $srv == "" } { continue }
set ip [lindex $srv 0]
# TODO: receive CPU usage from other servers
set cpuusageforserver 0
}
# append the latest cpu value to the end of list and
# only keep and display the last 20 values for each server
set server_cpuusage($ip) [lappend server_cpuusage($ip) $cpuusageforserver]
if { [llength $server_cpuusage($ip)] > 20 } {
set server_cpuusage($ip) [lreplace $server_cpuusage($ip) 0 0]
}
}
#plot the usage data if cpu windows already opened
# for all servers
if { [winfo exists .cpu]} {
plotCPUusage
}
set cputxt "CPU [lindex $cpuusage 0]% ("
set cpuusage [lreplace $cpuusage 0 0]
for { set n 0 } { $n < [llength $cpuusage] } { incr n } {
if { $n > 0 } { set cputxt "${cputxt}/" }
set cputxt "${cputxt}[lindex $cpuusage $n]"
}
set cputxt "$cputxt)"
set cpulen [expr {[string length $cputxt] - 2}]
set labellen [.bottom.cpu_load cget -width]
if { $cpulen < $labellen } { set cpulen $labellen }
set stats [nexec localnode vmstat | tail -n 1 ]
set mem_free [lindex $stats 3]
set mem_free_mb [expr { $mem_free / 1024 }]
.bottom.cpu_load config -text $cputxt -width $cpulen
.bottom.mbuf config -text " ${mem_free_mb}M free"
after 2000 { monitor_loop }
return
}
if { $systype == "FreeBSD 4.11-RELEASE" } {
set defaultname "default"
set cpun 3
} else {
set defaultname "."
set cpun 4
}
# CPU usage from `vimage -l`
set vimagetext [nexec localnode vimage -l $defaultname | xargs]
set vimagelist [split $vimagetext :]
set cpuline [lindex $vimagelist $cpun]
set cpu [lindex [split $cpuline %] 0]
.bottom.cpu_load config -text "CPU $cpu%"
# mbuf usage from `netstat -m`
set nstout [split [nexec localnode netstat -m] ]
set mbufline [split [lindex $nstout 0] /]
set mbufs [lindex $mbufline 0]
set nmbufs [lindex [split [lindex $mbufline 2] " "] 0]
set mbufp [expr $mbufs * 100 / $nmbufs]
.bottom.mbuf config -text "mbuf $mbufp%"
after 2000 { monitor_loop }
}
#****f* exec.tcl/execSetLinkParams
# NAME
# execSetLinkParams -- in exec mode set link parameters
# SYNOPSIS
# execSetLinkParams $eid $link
# FUNCTION
# Sets the link parameters during execution.
# All the parameters are set at the same time.
# INPUTS
# eid -- experiment id
# link -- link id
#****
proc execSetLinkParams { eid link } {
set lnode1 [lindex [linkPeers $link] 0]
set sock [lindex [getEmulPlugin $lnode1] 2]
sendLinkMessage $sock $link modify
return
}
# command executed when popup menu item is selected
proc popupMenuChoose { parent b imgf } {
global activetool activetool_prev activetool_prev_imgf activetoolp
#puts "popupMenuChoose $parent -> $b ($activetoolp -> $activetool)"
# deselect previous item
if { $activetoolp != "" } {
set img [createImageButton $activetool_prev_imgf 1]
.left.$activetoolp configure -image $img -relief raised
}
if {$activetool_prev == "marker"} { markerOptions off }
# change the active item; we need activetool_prev b/c of radio button
set activetoolp $parent
set activetool $b
set activetool_prev $b ;# previously-selected activetool
set activetool_prev_imgf $imgf ;# previously-selected button image file
# hint for topogen
global g_last_selected_node_type
if { $activetoolp == "routers" || $activetoolp == "hubs" } {
set g_last_selected_node_type [list $parent $b $imgf]
}
# select a new button
if { $parent != "" } {
set img [createImageButton $imgf 2]
.left.$parent configure -image $img -relief sunken
}
if {$activetool == "marker"} { markerOptions on }
# status message
.bottom.textbox config -text "$b tool selected"
}
#
# Boeing - create an image for use on the button toolbar
# style 0 = no arrow, 1 = arrow, 2 = arrow + select color
proc createImageButton { imgf style } {
global CORE_DATA_DIR defSelectionColor
if { [catch {set img [image create photo -file $imgf] } e] } {
puts "warning: error opening button image $imgf ($e)"
set img [image create photo] ;# blank button
}
# add an arrow to the button
if { $style > 0 } {
$img read "$CORE_DATA_DIR/icons/tiny/arrow.gif" -to 27 22
if { $style == 2 } { ;# highlight the button
set img2 [image create photo]
$img2 put [$img data -background $defSelectionColor]
set img $img2
}
}
return $img
}
# Boeing: status bar graph
proc statgraph { cmd n } {
global statgraph_max statgraph_current tk_patchLevel execMode
if { $execMode != "interactive" || ![info exists tk_patchLevel] } {
return
}
switch -exact $cmd {
on {
if { $n == 0 } { return } ;# Boeing: prevent div by 0
set statgraph_max $n
set statgraph_current 0
label .bottom.status -relief sunken -bd 1 -anchor w -width 2 \
-background green -justify center
label .bottom.status2 -relief sunken -bd 1 -anchor w -width 12
pack .bottom.status .bottom.status2 -side left \
-before .bottom.textbox
}
off {
set statgraph_max 0
set statgraph_current 0
destroy .bottom.status
destroy .bottom.status2
}
inc {
# Boeing: prevent div by 0
if { $n == 0 || $statgraph_max == 0 } { return }
incr statgraph_current $n
set p [expr $statgraph_current.0 / $statgraph_max.0]
set width [expr int($p * 15)]
.bottom.status config -width $width
.bottom.status config -text " ([expr int($p*100)]%)"
.bottom.status2 config -width [expr 15-$width]
}
}
}
proc popupConnectMessage { dst } {
global CORE_DATA_DIR execMode
if { $execMode != "interactive" } { return }
set wi .popupConnectMessage
catch { destroy $wi }
toplevel $wi
wm transient $wi .
wm title $wi "Connecting"
set i [image create photo -file $CORE_DATA_DIR/icons/normal/lanswitch.gif]
frame $wi.txt
label $wi.txt.ico -image $i
label $wi.txt.label1 -text "Please wait, connecting to $dst..."
pack $wi.txt.ico $wi.txt.label1 -side left -padx 4 -pady 4
pack $wi.txt -side top
if { [exec id -u] != 0 } {
frame $wi.txt2
set longtext "(Note: remote emulation may have been enabled\n"
set longtext "$longtext because you are not running as root.)"
label $wi.txt2.label2 -text $longtext
pack $wi.txt2.label2 -side left -padx 4 -pady 4
pack $wi.txt2 -side bottom
}
after 100 { catch { grab .popupConnectMessage } }
update
}
proc popdownConnectMessage { } {
catch { destroy .popupConnectMessage }
}
proc updateConnectMessage { dst } {
set wi .popupConnectMessage
catch {
$wi.txt.label1 configure -text "Please wait, connecting to $dst..."
}
}
# helper to return the list of assigned remote execution servers
proc getAssignedRemoteServers {} {
global node_list
set servers {}
foreach node $node_list {
set server [getNodeLocation $node]
if { $server == "" } { continue }
if { [lsearch -exact $servers $server] < 0 } {
lappend servers $server
}
}
return $servers
}
# generate a separate window for displaying CPU
proc manageCPUwindow {xpos ypos start} {
global exec_servers
global server_cpuusage
if {$start == 1} {
if { ![winfo exists .cpu]} {
toplevel .cpu
wm geometry .cpu 200x210+$xpos+$ypos
wm resizable .cpu 0 0
wm title .cpu "CPU Usage"
canvas .cpu.graph -width 200 -height 210
pack .cpu.graph
}
} else {
if { [winfo exists .cpu]} {
destroy .cpu
set assigned_servers [getAssignedRemoteServers]
for {set i 0} {$i <= [llength $assigned_servers]} {incr i} {
if {$i == [llength $assigned_servers]} {
set ip [getMyIP]
} else {
set server [lindex $assigned_servers $i]
set srv [array get exec_servers $server]
if { $srv == "" } { continue }
set ip [lindex $srv 0]
}
set server_cpuusage($ip) [lreplace $server_cpuusage($ip) 0 end]
}
}
}
}
proc getMyIP { } {
if { [catch {set theServer [socket -server none -myaddr \
[info hostname] 0]} ] } {
return "127.0.0.1"
}
set myIP [lindex [fconfigure $theServer -sockname] 0]
close $theServer
return $myIP
}
# display all values stored in cpu usage history for each server
proc plotCPUusage { } {
global cpu_palettes
global exec_servers
global server_cpuusage
.cpu.graph delete "all"
.cpu.graph create line 0 100 200 100 -width 2
.cpu.graph create line 0 80 200 80 -width 1
.cpu.graph create line 0 60 200 60 -width 1
.cpu.graph create line 0 40 200 40 -width 1
.cpu.graph create line 0 20 200 20 -width 1
.cpu.graph create line 0 0 200 0 -width 1
.cpu.graph create line 40 0 40 100 -width 1
.cpu.graph create line 80 0 80 100 -width 1
.cpu.graph create line 120 0 120 100 -width 1
.cpu.graph create line 160 0 160 100 -width 1
.cpu.graph create line 200 0 200 100 -width 1
# for each server create a plot of cpu usage
set assigned_servers [getAssignedRemoteServers]
for {set i 0} {$i <= [llength $assigned_servers]} {incr i} {
if {$i == [llength $assigned_servers]} {
set ip [getMyIP]
} else {
set server [lindex $assigned_servers $i]
set srv [array get exec_servers $server]
if { $srv == "" } { continue }
set ip [lindex $srv 0]
}
#need to add multiple cpuusgaehistory (array)
for { set n 1 } { $n < [llength $server_cpuusage($ip)] } { incr n } {
set prevn [expr {$n - 1}]
set x1 [expr {$prevn * 10}]
set y1 [expr {100 - [lindex $server_cpuusage($ip) $prevn]}]
set x2 [expr {$n * 10}]
set y2 [expr {100 - [lindex $server_cpuusage($ip) $n]}]
if {$i < [llength $cpu_palettes]} {
.cpu.graph create line $x1 $y1 $x2 $y2 -fill [lindex $cpu_palettes $i]
} else {
.cpu.graph create line $x1 $y1 $x2 $y2 -fill [lindex $cpu_palettes end]
}
#debug
#puts " cpu $x1 $y1 $x2 $y2"
}
#for each server create a legend (limited to 8)
set legendtext $ip
append legendtext " " [lindex $server_cpuusage($ip) end] "%"
set legendy [expr {($i * 10) + 120}]
set legendx 10
if {$i < [llength $cpu_palettes]} {
.cpu.graph create rectangle $legendx $legendy \
[expr {$legendx + 8}] [expr {$legendy + 8}] \
-fill [lindex $cpu_palettes $i]
.cpu.graph create text [expr {$legendx + 15}] [expr {$legendy + 4}]\
-text $legendtext -fill [lindex $cpu_palettes $i] \
-anchor w -justify left
} else {
.cpu.graph create rectangle $legendx $legendy \
[expr {$legendx + 8}] [expr {$legendy + 8}] \
-fill [lindex $cpu_palettes end]
.cpu.graph create text [expr {$legendx + 15}] [expr {$legendy + 4}]\
-text $legendtext -fill [lindex $cpu_palettes end] \
-anchor w -justify left
}
}
}