[ViewVC] Annotation of: cvs/AnyEvent-MP/bin/aemp

#!/opt/bin/perl

=head1 NAME

   aemp - AnyEvent:MP utility

=head1 SYNOPSIS

   aemp command args...

   # protocol commands
   aemp snd <port> <arg...>     # send a message
   aemp mon <port>              # wait till port is killed
   aemp rpc <port> <arg...>     # send message, append reply

   # run a node
   aemp run initialise_args...  # run a node

   # node configuration: protocol endpoints
   aemp setnoderef <noderef>    # configure the real noderef
   aemp clrnoderef              # reset noderef to default

   # node configuration: secret
   aemp gensecret               # generate a random shared secret
   aemp setsecret <secret>      # set the shared secret
   aemp clrsecret               # remove the secret

   # node configuration: TLS
   aemp setcert <file>          # set a certificate (key.pem + certificate.pem)
   aemp clrcert                 # remove certificate
   aemp gencert                 # generate a random certificate

   # node configuration: seed nodes for bootstrapping
   aemp setseeds <noderef>...   # set seednodes
   aemp addseed <noderef>       # add a seednode
   aemp delseed <noderef>       # remove seednode

   # node configuration: services
   aemp setservices initfunc... # set service functions
   aemp addservice <initfunc>   # add an instance of a service
   aemp delservice <initfunc>   # delete one instance of a service

=head1 DESCRIPTION

With aemp you can configure various aspects of AnyEvent::MP and its
protocol.

You can also start a "default node", a node that only depends on the
static configuration.

=cut

use common::sense;

BEGIN {
   if ($ARGV[0] eq "run") {
      shift;

      #TODO: watchdog? how?
      #require AnyEvent::Watchdog;
      require AnyEvent;
      require AnyEvent::MP;
      AnyEvent::MP::initialise_node (@ARGV);

      AnyEvent::detect () eq "AnyEvent::Impl::E"
         ? EV::loop ()
         : AE::cv ()->recv;
   }
}

use Carp ();

use AnyEvent;
use AnyEvent::Util;

use AnyEvent::MP;
use AnyEvent::MP::Config;

sub my_run_cmd {
   my ($cmd) = @_;

   my $cv = &run_cmd;
   my $status = $cv->recv;

   $status
      and die "@$cmd: command failed with exit status $status.";
}

sub gen_cert {
   my_run_cmd [qw(openssl req 
                     -new -nodes -x509 -days 3650
                     -newkey rsa:2048 -keyout /dev/fd/3
                     -batch -subj /CN=AnyEvent::MP
              )],
      "<", "/dev/null",
      ">" , \my $cert,
      "3>", \my $key,
      "2>", "/dev/null";

   "$cert$key"
}

our $cfg     = \%AnyEvent::MP::Config::CFG;
our $profile = $cfg;

sub resolve_port {
   my ($node, $port) = split /#/, $_[0], 2;

   $node = (resolve_node $node)->recv;
   "$node#$port"
}

our %CMD = (
   snd => sub {
      my $port = resolve_port shift @ARGV;
      initialise_node "slave/", node_of $port;

      snd $port, @ARGV; @ARGV = ();

      my $cv = AE::cv;
      my $to = AE::timer 5, 0, sub { $cv->("timeout") };
      mon $port, $cv;
      my $reply = port { &$cv; 1 };
      snd node_of $port, relay => $reply, "ok";

      print join " ", $cv->recv, "\n";
   },

   rpc => sub {
      my $port = resolve_port shift @ARGV;
      initialise_node "slave/", node_of $port;

      my $cv = AE::cv;
      my $to = AE::timer 5, 0, sub { $cv->("timeout") };
      my $reply = port { &$cv; 1 };
      snd $port, @ARGV, $reply; @ARGV = ();
      mon $port, $cv;

      print join " ", $cv->recv, "\n";
   },

   mon => sub {
      my $port = resolve_port shift @ARGV;
      initialise_node "slave/", node_of $port;

      mon $port, my $cv = AE::cv;
      print join " ", $cv->recv, "\n";
   },

   setnoderef => sub {
      @ARGV >= 1
         or die "shared secret missing\n";

      $profile->{noderef} = shift @ARGV;
      ++$cfg->{dirty};
   },
   clrnoderef => sub {
      delete $profile->{noderef};
      ++$cfg->{dirty};
   },

   setsecret => sub {
      @ARGV >= 1
         or die "shared secret missing\n";

      $profile->{secret} = shift @ARGV;
      ++$cfg->{dirty};
   },
   gensecret => sub {
      $profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64;
      ++$cfg->{dirty};
   },
   clrsecret => sub {
      delete $profile->{secret};
      ++$cfg->{dirty};
   },

   setcert => sub {
      @ARGV >= 1
         or die "key+certificate pem filename missing\n";

      open my $fh, "<", $ARGV[0]
         or die "$ARGV[0]: $!";

      local $/;
      $profile->{cert} = <$fh>;
      ++$cfg->{dirty};
   },
   gencert => sub {
      $profile->{cert} = gen_cert;
      ++$cfg->{dirty};
   },
   clrcert => sub {
      delete $profile->{cert};
      ++$cfg->{dirty};
   },

   setseeds => sub {
      $profile->{seeds} = [@ARGV];
      @ARGV = ();
      ++$cfg->{dirty};
   },
   addseed => sub {
      my $seed = shift @ARGV;
      @{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
      push @{ $profile->{seeds} }, $seed;
      ++$cfg->{dirty};
   },
   delseed => sub {
      my $seed = shift @ARGV;
      @{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
      ++$cfg->{dirty};
   },

   setservices => sub {
      $profile->{services} = [@ARGV];
      @ARGV = ();
      ++$cfg->{dirty};
   },
   addseed => sub {
      my $service = shift @ARGV;
      push @{ $profile->{services} }, $service;
      ++$cfg->{dirty};
   },
   delseed => sub {
      my $service = shift @ARGV;
      for (0 .. $#{ $profile->{services} }) {
         next unless $profile->{services}[$_] eq $service;
         splice @{ $profile->{services} }, $_, 1;
         last;
      }
      ++$cfg->{dirty};
   },
);

sub docmd {
   my $cmd = shift @ARGV;

   $CMD{$cmd}
      or die "$cmd: no such aemp command (try man aemp)";

   $CMD{$cmd}();
}

@ARGV
   or die "Usage: aemp subcommand ... (try man aemp)\n";

docmd;


Revision:	1.8
Committed:	Thu Aug 13 03:27:06 2009 UTC (14 years, 9 months ago) by root
Branch:	MAIN
Changes since 1.7:	+94 -30 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#!/opt/bin/perl
2
3			=head1 NAME
4
5			aemp - AnyEvent:MP utility
6
7			=head1 SYNOPSIS
8
9			aemp command args...
10
11			# protocol commands
12	root	1.8	aemp snd <port> <arg...> # send a message
13			aemp mon <port> # wait till port is killed
14			aemp rpc <port> <arg...> # send message, append reply
15
16			# run a node
17			aemp run initialise_args... # run a node
18
19			# node configuration: protocol endpoints
20			aemp setnoderef <noderef> # configure the real noderef
21			aemp clrnoderef # reset noderef to default
22	root	1.1
23			# node configuration: secret
24	root	1.8	aemp gensecret # generate a random shared secret
25			aemp setsecret <secret> # set the shared secret
26			aemp clrsecret # remove the secret
27	root	1.1
28			# node configuration: TLS
29	root	1.8	aemp setcert <file> # set a certificate (key.pem + certificate.pem)
30			aemp clrcert # remove certificate
31			aemp gencert # generate a random certificate
32
33			# node configuration: seed nodes for bootstrapping
34			aemp setseeds <noderef>... # set seednodes
35			aemp addseed <noderef> # add a seednode
36			aemp delseed <noderef> # remove seednode
37
38			# node configuration: services
39			aemp setservices initfunc... # set service functions
40			aemp addservice <initfunc> # add an instance of a service
41			aemp delservice <initfunc> # delete one instance of a service
42	root	1.6
43	root	1.1	=head1 DESCRIPTION
44
45	root	1.8	With aemp you can configure various aspects of AnyEvent::MP and its
46			protocol.
47
48			You can also start a "default node", a node that only depends on the
49			static configuration.
50	root	1.1
51			=cut
52
53			use common::sense;
54
55	root	1.8	BEGIN {
56			if ($ARGV[0] eq "run") {
57			shift;
58
59			#TODO: watchdog? how?
60			#require AnyEvent::Watchdog;
61			require AnyEvent;
62			require AnyEvent::MP;
63			AnyEvent::MP::initialise_node (@ARGV);
64
65			AnyEvent::detect () eq "AnyEvent::Impl::E"
66			? EV::loop ()
67			: AE::cv ()->recv;
68			}
69			}
70
71	root	1.1	use Carp ();
72
73			use AnyEvent;
74	root	1.4	use AnyEvent::Util;
75
76	root	1.8	use AnyEvent::MP;
77	root	1.1	use AnyEvent::MP::Config;
78
79			sub my_run_cmd {
80			my ($cmd) = @_;
81
82			my $cv = &run_cmd;
83			my $status = $cv->recv;
84
85			$status
86			and die "@$cmd: command failed with exit status $status.";
87			}
88
89			sub gen_cert {
90	root	1.2	my_run_cmd [qw(openssl req
91			-new -nodes -x509 -days 3650
92			-newkey rsa:2048 -keyout /dev/fd/3
93			-batch -subj /CN=AnyEvent::MP
94			)],
95	root	1.5	"<", "/dev/null",
96	root	1.1	">" , \my $cert,
97			"3>", \my $key,
98	root	1.4	"2>", "/dev/null";
99	root	1.1
100			"$cert$key"
101			}
102
103			our $cfg = \%AnyEvent::MP::Config::CFG;
104	root	1.8	our $profile = $cfg;
105	root	1.1
106			sub resolve_port {
107			my ($node, $port) = split /#/, $_[0], 2;
108
109			$node = (resolve_node $node)->recv;
110			"$node#$port"
111			}
112
113			our %CMD = (
114			snd => sub {
115			my $port = resolve_port shift @ARGV;
116			initialise_node "slave/", node_of $port;
117
118	root	1.7	snd $port, @ARGV; @ARGV = ();
119	root	1.1
120			my $cv = AE::cv;
121	root	1.7	my $to = AE::timer 5, 0, sub { $cv->("timeout") };
122	root	1.1	mon $port, $cv;
123	root	1.7	my $reply = port { &$cv; 1 };
124	root	1.1	snd node_of $port, relay => $reply, "ok";
125
126			print join " ", $cv->recv, "\n";
127			},
128
129	root	1.7	rpc => sub {
130			my $port = resolve_port shift @ARGV;
131			initialise_node "slave/", node_of $port;
132
133			my $cv = AE::cv;
134			my $to = AE::timer 5, 0, sub { $cv->("timeout") };
135			my $reply = port { &$cv; 1 };
136			snd $port, @ARGV, $reply; @ARGV = ();
137			mon $port, $cv;
138
139			print join " ", $cv->recv, "\n";
140			},
141
142	root	1.1	mon => sub {
143			my $port = resolve_port shift @ARGV;
144			initialise_node "slave/", node_of $port;
145
146			mon $port, my $cv = AE::cv;
147			print join " ", $cv->recv, "\n";
148			},
149
150	root	1.8	setnoderef => sub {
151			@ARGV >= 1
152			or die "shared secret missing\n";
153
154			$profile->{noderef} = shift @ARGV;
155			++$cfg->{dirty};
156			},
157			clrnoderef => sub {
158			delete $profile->{noderef};
159			++$cfg->{dirty};
160			},
161
162	root	1.1	setsecret => sub {
163	root	1.8	@ARGV >= 1
164	root	1.1	or die "shared secret missing\n";
165
166	root	1.8	$profile->{secret} = shift @ARGV;
167	root	1.1	++$cfg->{dirty};
168			},
169			gensecret => sub {
170	root	1.8	$profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64;
171	root	1.1	++$cfg->{dirty};
172			},
173			clrsecret => sub {
174	root	1.8	delete $profile->{secret};
175	root	1.1	++$cfg->{dirty};
176			},
177
178			setcert => sub {
179	root	1.8	@ARGV >= 1
180	root	1.1	or die "key+certificate pem filename missing\n";
181
182			open my $fh, "<", $ARGV[0]
183			or die "$ARGV[0]: $!";
184
185			local $/;
186	root	1.8	$profile->{cert} = <$fh>;
187	root	1.1	++$cfg->{dirty};
188			},
189			gencert => sub {
190	root	1.8	$profile->{cert} = gen_cert;
191	root	1.1	++$cfg->{dirty};
192			},
193			clrcert => sub {
194	root	1.8	delete $profile->{cert};
195	root	1.1	++$cfg->{dirty};
196			},
197	root	1.6
198			setseeds => sub {
199	root	1.8	$profile->{seeds} = [@ARGV];
200	root	1.6	@ARGV = ();
201			++$cfg->{dirty};
202			},
203			addseed => sub {
204			my $seed = shift @ARGV;
205	root	1.8	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
206			push @{ $profile->{seeds} }, $seed;
207			++$cfg->{dirty};
208			},
209			delseed => sub {
210			my $seed = shift @ARGV;
211			@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
212			++$cfg->{dirty};
213			},
214
215			setservices => sub {
216			$profile->{services} = [@ARGV];
217			@ARGV = ();
218	root	1.6	++$cfg->{dirty};
219			},
220			addseed => sub {
221	root	1.8	my $service = shift @ARGV;
222			push @{ $profile->{services} }, $service;
223			++$cfg->{dirty};
224			},
225			delseed => sub {
226			my $service = shift @ARGV;
227			for (0 .. $#{ $profile->{services} }) {
228			next unless $profile->{services}[$_] eq $service;
229			splice @{ $profile->{services} }, $_, 1;
230			last;
231			}
232	root	1.6	++$cfg->{dirty};
233			},
234	root	1.1	);
235
236			sub docmd {
237			my $cmd = shift @ARGV;
238
239			$CMD{$cmd}
240			or die "$cmd: no such aemp command (try man aemp)";
241
242			$CMD{$cmd}();
243			}
244
245			@ARGV
246			or die "Usage: aemp subcommand ... (try man aemp)\n";
247
248			docmd;
249
250