/usr/share/tau/tools/inc/fileio.tcl is in tau-racy 2.17.3.1.dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# File IO operations:
#
# FileIO_INIT <tauroot>
#
# FileIO_ls <host> [<dir>]
# FileIO_pwd <host>
# FileIO_file_readable <host> <file>
# FileIO_file_writable <host> <file>
# FileIO_file_exists <host> <file> - returns false for dir
# FileIO_dir_exists <host> <dir> - returns false for file
# FileIO_file_open <host> <file> [<access>]
# FileIO_file_close <host> <file_id>
# FileIO_exec <host> <script>
#
# Remote_ls <host> [<dir>]
# Remote_ls-F <host> [<dir>]
# Remote_pwd <host>
# Remote_file_readable <host> <file>
# Remote_file_writable <host> <file>
# Remote_file_exists <host> <file> - returns false for dir
# Remote_dir_exists <host> <dir> - returns false for file
# Remote_file_open <host> <file> [<access>]
# Remote_file_close <file_id>
# Remote_exec <host> <script>
#
###########################################################################
###########################################################################
#
# FileIO_INIT - must be called prior to calls to any other FileIO or
# RemoteIO functions.
# Usage: FileIO_INIT <tau root directory>
#
set Local_Hostname ""
set FileIO_Error ""
set RemoteIO_Error ""
set FileIO_Root ""
proc FileIO_INIT {rootdir} {
global \
Local_Hostname \
FileIO_Error \
RemoteIO_Error \
FileIO_Root
set FileIO_Error ""
set RemoteIO_Error ""
# Set the local hostname
if {$Local_Hostname == ""} {
if {![catch "exec hostname" h__n]} {
set Local_Hostname $h__n
unset h__n
} else {
set Local_Hostname "localhost"
}
}
set FileIO_Root $rootdir
}
############################################################################
#
# High-level I/O Operations that work for local or remote hosts
#
# These all return FILEIO_ERROR when an error occurs and side effect the
# global variable FileIO_Error with the error message returned.
#
proc FileIO_ls {host {dir ""}} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
if {[catch "exec ls $dir" result] == 1} {
set FileIO_Error "Couldn't open directory"
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
} else {
set result [Remote_ls $host $dir]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_pwd {host} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
if {[catch "pwd" result] == 1} {
set FileIO_Error $result
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
} else {
set result [Remote_pwd $host]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_file_readable {host filen} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
set FileIO_Error ""
return [file readable $filen]
} else {
set result [Remote_file_readable $host $filen]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_file_writable {host filen} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
set FileIO_Error ""
return [file writable $filen]
} else {
set result [Remote_file_writable $host $filen]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_file_exists {host filen} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
set FileIO_Error ""
return [expr [file exists $filen] && ![file isdirectory $filen]]
} else {
set result [Remote_file_exists $host $filen]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_dir_exists {host dirn} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
set FileIO_Error ""
return [expr [file exists $dirn] && [file isdirectory $dirn]]
} else {
set result [Remote_dir_exists $host $dirn]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_file_open {host filen {access "r"}} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
if {[catch "open $filen $access" result] == 1} {
set FileIO_Error $result
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
} else {
set result [Remote_file_open $host $filen $access]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
proc FileIO_file_close {host file_desc} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
if {[catch "close $file_desc" result] == 1} {
set FileIO_Error $result
return FILEIO_ERROR
} else {
set FileIO_Error ""
return FILEIO_OKAY
}
} else {
set result [Remote_file_close $file_desc]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return FILEIO_OKAY
}
}
}
proc FileIO_exec {host script} {
global Local_Hostname FileIO_Error Remote_Error
if {($host == "localhost") || ($host == $Local_Hostname)} {
if {[catch "exec $script" result] == 1} {
set FileIO_Error $result
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
} else {
set result [Remote_exec $host $script]
if {$result == "REMOTE_ERROR"} {
set FileIO_Error $Remote_Error
return FILEIO_ERROR
} else {
set FileIO_Error ""
return $result
}
}
}
###########################################################################
#
# Low-level remote host operations
#
# These all return REMOTE_ERROR when an error occurs and side effect the
# global variable Remote_Error with the error message returned.
proc Remote_ls {host {dir ""}} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -listdir $dir" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_ls-F {host {dir ""}} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -listdirF $dir" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_pwd {host} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -pwd" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_file_readable {host file} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -freadable $file" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_file_writeable {host file} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -fwritable $file" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_file_exists {host file} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -fexists $file" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_dir_exists {host dir} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -dexists $dir" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
proc Remote_file_open {host file {access r}} {
global REMSH Remote_Error FileIO_Root
switch -exact $access {
r {
set open_cmd [format "| %s %s -n cat %s" $REMSH $host $file]
}
w {
set open_cmd [format "| %s %s %s/utils/remote-proxy -write %s" \
$REMSH $host $FileIO_Root $file]
}
a {
set open_cmd [format "| %s %s %s/utils/remote-proxy -append %s" \
$REMSH $host $FileIO_Root $file]
}
default {
set Remote_Error "Invalid access flag - use r, w, or a"
return REMOTE_ERROR
}
}
set Remote_Error ""
return [open $open_cmd $access]
}
proc Remote_file_close {file_desc} {
global REMSH Remote_Error FileIO_Root
if {[set errcode [catch "close $file_desc" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return REMOTE_OKAY
}
}
proc Remote_exec {host script} {
global REMSH Remote_Error FileIO_Root
set in [open \
"| $REMSH $host -n $FileIO_Root/utils/remote-proxy -execute $script" \
r]
set result [read $in]
if {[set errcode [catch "close $in" errmsg]] != 0} {
set Remote_Error $errmsg
return REMOTE_ERROR
} else {
set Remote_Error ""
return [string trim $result]
}
}
# End of low-level operations
###########################################################################
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