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cvsjoko |
1.1 |
package MJAM::Command::Shell; |
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use strict; |
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use warnings; |
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use Env qw ( HOME ); |
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use IO::File; |
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use POE; |
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use MJAM::main; |
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my @sh_commands_local = qw ( connect sc exit quit help ? ); |
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my @sh_commands_remote = qw ( tell bye ); |
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my %cfg; |
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$cfg{branding}{console_name} = "jash"; |
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my %console; |
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$console{commands} = \@sh_commands_local; |
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$console{context} = ""; |
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my %conn; |
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$conn{type} = ""; |
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$conn{file_name} = ""; |
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$conn{target} = ""; |
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$conn{connected} = 0; |
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$conn{user} = 'anonymous'; |
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$conn{remote_host} = ""; |
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$conn{remote_port} = ""; |
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$conn{commands} = \@sh_commands_remote; |
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my $poe_alias; |
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my %helpmsg; |
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$helpmsg{connect} = <<EOH; |
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COMMAND: |
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connect |
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SYNOPSIS: |
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connect |
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connect cmdfile [cmdfile] |
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connect rpc [username\@][hostname] |
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DESCRIPTION: |
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Connect to a local or remote command-engine |
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EOH |
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$helpmsg{sc} = <<EOH; |
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COMMAND: |
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sc (switch context) |
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SYNOPSIS: |
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sc <context> |
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DESCRIPTION: |
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Switches console-context to "<context>". |
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Every remote-command issued from now on will be prefixed by the console-context. |
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Delete a context by just typing "sc". |
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EOH |
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$helpmsg{exit} = <<EOH; |
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COMMAND: |
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exit|quit |
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SYNOPSIS: |
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exit |
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quit |
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DESCRIPTION: |
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Quits from shell. |
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EOH |
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$helpmsg{quit} = $helpmsg{exit}; |
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$helpmsg{tell} = <<EOH; |
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COMMAND: |
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tell |
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SYNOPSIS: |
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tell <target>|<alias> <command> |
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DESCRIPTION: |
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Tells an (aliased) target what to do |
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EOH |
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sub getUsage { |
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my $bool_connected = "no"; |
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$conn{connected} && ($bool_connected = "yes"); |
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my $helpmsg = <<EOH; |
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---------------------------------------------------------- |
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commands: |
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- local-commands: @{$console{commands}} |
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- remote-commands: @{$conn{commands}} |
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---------------------------------------------------------- |
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status: |
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- console-context: $console{context} |
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- connected: $bool_connected |
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- connection-target: $conn{target} |
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---------------------------------------------------------- |
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EOH |
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} |
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sub getHelpMsg { |
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my $helpkey = shift; |
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my $msg = ""; |
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if ($helpmsg{$helpkey}) { |
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$msg .= <<MSG; |
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--------------------------------------------- |
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MSG |
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$msg .= $helpmsg{$helpkey}; |
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} |
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return $msg; |
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} |
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sub lCmd { |
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my $cmd = shift; |
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#print "lCmd: $cmd", "\n"; |
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#if ($cmd eq 'quit' || $cmd eq 'exit') { exit; } |
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if ($cmd eq 'quit' || $cmd eq 'exit') { exit; } |
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if ($cmd =~ m/(help|\?)\s*(.*)/) { |
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my $helpkey = $2; |
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if ($helpkey) { |
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return getHelpMsg($helpkey); |
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} else { |
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return getUsage(); |
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} |
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} |
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if ($cmd =~ m/connect\s*(.*)/) { |
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my $param = $1; |
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my $c_where = ""; |
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my $c_args = ""; |
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if ($param =~ m/(cmdfile|rpc)\s*(.*)/) { |
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$c_where = $1; |
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$c_args = $2; |
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} else { |
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$c_where = "cmdfile"; |
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} |
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rConnect($c_where, $c_args); |
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return; |
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} |
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if ($cmd =~ m/sc\s*(.*)/) { |
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my $context = $1; |
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$console{context} = ''; |
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$console{context} = $1; |
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return; |
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} |
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} |
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sub rConnect { |
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my $where = shift; |
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my $args = shift; |
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# local |
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if ($where eq 'cmdfile') { |
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if (!$args) { |
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$args = $HOME . '/.mjamcmd'; |
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} |
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my $file = $args; |
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if (-e $file) { |
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print "trying to connect to $where ($args)", "\n"; |
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$conn{type} = "cmdfd"; |
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$conn{file_name} = $args; |
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$conn{connected} = 1; |
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$conn{target} = $conn{file_name}; |
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} |
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} |
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# rpc |
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if ($where eq 'rpc') { |
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if (!$args) { |
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$args = 'anonymous@localhost:7777'; |
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} |
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if ($args =~ m/^(.+)\@(.+):+(.+)$/) { |
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$conn{user} = $1; |
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$conn{remote_host} = $2; |
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$conn{remote_port} = $3; |
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} elsif ($args =~ m/^(.*):*(.*)$/) { |
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$conn{remote_host} = $1; |
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$conn{remote_port} = $2; |
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} |
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$conn{user} || ($conn{user} = "anonymous"); |
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$conn{remote_host} || ($conn{remote_host} = "localhost"); |
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$conn{remote_port} || ($conn{remote_port} = "7777"); |
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my $url = 'http://' . $conn{user} . '@' . $conn{remote_host} . ':' . $conn{remote_port} . '/'; |
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if (1) { |
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print "trying to connect to $where ($url)", "\n"; |
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$conn{type} = "rpc"; |
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$conn{connected} = 1; |
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$conn{target} = $url; |
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$poe_kernel->post('cmdcore', 'docmd', 'tell rpcxmla start'); |
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$poe_kernel->run_one_timeslice(); |
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my $meta = { |
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Connection => \%conn, |
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RequestSession => '', |
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RequestState => '', |
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ResponseSession => $poe_alias, |
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ResponseState => 'issueResponse', |
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}; |
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$poe_kernel->post( rpcxmla => setMeta => $meta ); |
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$poe_kernel->post( rpcxmla => 'startAgent' ); |
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#$conn{file_name} = $args; |
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#$conn{connected} = 1; |
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#$conn{target} = $conn{file_name}; |
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} |
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} |
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} |
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sub rCmd { |
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my $cmd = shift; |
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if (!$conn{connected}) { |
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print "\"$cmd\" is a remote command, please connect first!", "\n"; |
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return; |
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} |
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#my $fh = $conn{file_handle}; |
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my $handle = IO::File->new($conn{file_name}, "a+"); |
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$handle->print($cmd, "\n"); |
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$handle->close(); |
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return "done???"; |
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} |
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sub issueCmd { |
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# ---------------------------------------------------- |
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# get poe vars and resolve sender |
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my ( $kernel, $session, $heap, $sender, $cmd, $target ) = @_[ KERNEL, SESSION, HEAP, SENDER, ARG0, ARG1 ]; |
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my $recieved = $cmd; |
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if ($sender == $kernel) { |
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my $caller = "Kernel" . " (Kernel " . $sender->ID() . ")"; |
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$recieved .= " (from \"" . $caller . "\")"; |
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} else { |
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my $sender_heap = $sender->get_heap(); |
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my $caller = $sender_heap->{state}{Caption} . " (Session " . $sender->ID() . ")"; |
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$recieved .= " (from \"" . $caller . "\")"; |
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} |
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DEBUG() && print __PACKAGE__, ": #>", $recieved, "\n"; |
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# ---------------------------------------------------- |
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$heap->{target} = $target; |
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my $cmd_console = $cmd; |
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my $cmd_issue; |
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# if the console-command is empty, just return |
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if (!$cmd_console) { return; } |
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# split console-command by whitespace |
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my @cmd = split(' ', $cmd_console); |
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# is it a local command ... |
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$cmd_issue = $cmd_console; |
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if (in_array($cmd[0], $console{commands})) { |
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my $result = lCmd($cmd_console); |
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$kernel->post($session => issueResponse => $result); |
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return 1; |
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} |
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# prefix console-command with console-context ;), to build complete remote-command |
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my $context = ''; |
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$console{context} && ($context = $console{context} . " "); |
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my $cmd_remote = $context . $cmd_console; |
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# split remote-command by whitespace |
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my @cmdr = split(' ', $cmd_remote); |
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# ... or is it a remote one? |
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$cmd_issue = $cmd_remote; |
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if (in_array($cmdr[0], $conn{commands})) { |
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if ($conn{type} eq 'rpc') { |
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# dispatch to rpc |
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my $data = { |
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method => 'spoo', |
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args => $cmd_remote, |
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}; |
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$kernel->post( rpcxmla => request => $data ); |
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} else { |
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# dispatch to cmdfd |
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my $result = rCmd($cmd_remote); |
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$kernel->post($session => issueResponse => $result); |
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} |
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return 1; |
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} |
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# unknown command, print this to shell |
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my $result = "unknown command (\"$cmd_issue\"), type ? for help."; |
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#$kernel->post($session => issuePromptChange => 1); |
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$kernel->post($session => issueResponse => $result); |
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return 1; |
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} |
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sub getPromptPart { |
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my @parts; |
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if ($conn{connected}) { |
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my $target_prompt; |
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if ($conn{type} eq "cmdfd") { |
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$target_prompt = "cmdfd"; |
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} else { |
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$target_prompt = $conn{remote_host}; |
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} |
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push(@parts, "(" . $conn{user} . "\@" . $target_prompt . ")"); |
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} |
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if ($console{context}) { |
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push(@parts, "[ $console{context} ]"); |
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} |
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my $tmp_login = ''; |
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$tmp_login = join(' ', @parts); |
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if ($tmp_login) { |
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return $tmp_login; |
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} |
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} |
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sub issueResponse { |
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my ( $kernel, $session, $heap, $sender, $response ) = @_[ KERNEL, SESSION, HEAP, SENDER, ARG0 ]; |
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#if ($sender != $kernel) { |
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#my $sender_heap = $sender->get_heap(); |
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# print "rs: ", $heap->{meta}{ResponseSession}, "\n"; |
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# print "rs: ", $heap->{meta}{ResponseState}, "\n"; |
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# print "response: $response", "\n"; |
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$kernel->post($heap->{target}{ResponseSession} => $heap->{target}{PromptChangeState} => getPromptPart()); |
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$kernel->post($heap->{target}{ResponseSession} => $heap->{target}{ResponseState} => $response); |
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#if ($response) { |
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#print $response, "\n"; |
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#} |
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#return 1; |
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#} |
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} |
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sub issuePromptChange { |
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my ( $kernel, $session, $heap ) = @_[ KERNEL, SESSION, HEAP ]; |
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my $prompt = getPrompt(); |
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$kernel->post($heap->{target}{ResponseSession} => $heap->{target}{PromptChangeState} => $prompt); |
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} |
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sub _start { |
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my ( $kernel, $session, $heap, $arg0 ) = @_[ KERNEL, SESSION, HEAP, ARG0 ]; |
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$kernel->alias_set($poe_alias); |
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DEBUG() && print __PACKAGE__, " started", "\n"; |
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} |
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sub start { |
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$poe_alias = shift; |
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my @handlers = qw( |
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_start |
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issueCmd |
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issueResponse |
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issuePromptChange |
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); |
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my $pkg = __PACKAGE__; |
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# the main session for the command-engine |
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POE::Session->create( |
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package_states => [ $pkg => \@handlers ], |
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args => [ ], |
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); |
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} |
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