[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

   # profile-specific configuration
   aemp profile <name> <command>... # apply command to profile only
   aemp delprofile <name>       # eradicate the named profile

=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::config;
our $profile = $cfg;

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

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

sub docmd;

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 {
      @ARGV >= 1
         or die "seed noderef missing\n";
      my $seed = shift @ARGV;

      @{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
      push @{ $profile->{seeds} }, $seed;
      ++$cfg->{dirty};
   },
   delseed => sub {
      @ARGV >= 1
         or die "seed noderef missing\n";
      my $seed = shift @ARGV;

      @{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
      ++$cfg->{dirty};
   },

   setservices => sub {
      $profile->{services} = [@ARGV];
      @ARGV = ();
      ++$cfg->{dirty};
   },
   addservice => sub {
      @ARGV >= 1
         or die "service specification missing\n";
      my $service = shift @ARGV;
      push @{ $profile->{services} }, $service;
      ++$cfg->{dirty};
   },
   delservice => sub {
      @ARGV >= 1
         or die "service specification missing\n";
      my $service = shift @ARGV;
      for (0 .. $#{ $profile->{services} }) {
         next unless $profile->{services}[$_] eq $service;
         splice @{ $profile->{services} }, $_, 1;
         last;
      }
      ++$cfg->{dirty};
   },

   profile => sub {
      @ARGV >= 2
         or die "profile name or subcommand are missing\n";
      my $name = shift @ARGV;

      $profile = $cfg->{profile}{$name} ||= {};

      docmd;
   },
   delprofile => sub {
      @ARGV >= 1
         or die "profile name is missing\n";
      my $name = shift @ARGV;

      delete $cfg->{profile}{$name};
   },
);

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:	1.10
Committed:	Thu Aug 13 15:29:59 2009 UTC (14 years, 9 months ago) by root
Branch:	MAIN
Changes since 1.9:	+34 -1 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	1.10	# profile-specific configuration
44			aemp profile <name> <command>... # apply command to profile only
45			aemp delprofile <name> # eradicate the named profile
46
47	root	1.1	=head1 DESCRIPTION
48
49	root	1.8	With aemp you can configure various aspects of AnyEvent::MP and its
50			protocol.
51
52			You can also start a "default node", a node that only depends on the
53			static configuration.
54	root	1.1
55			=cut
56
57			use common::sense;
58
59	root	1.8	BEGIN {
60			if ($ARGV[0] eq "run") {
61			shift;
62
63			#TODO: watchdog? how?
64			#require AnyEvent::Watchdog;
65			require AnyEvent;
66			require AnyEvent::MP;
67			AnyEvent::MP::initialise_node (@ARGV);
68
69			AnyEvent::detect () eq "AnyEvent::Impl::E"
70			? EV::loop ()
71			: AE::cv ()->recv;
72			}
73			}
74
75	root	1.1	use Carp ();
76
77			use AnyEvent;
78	root	1.4	use AnyEvent::Util;
79
80	root	1.8	use AnyEvent::MP;
81	root	1.1	use AnyEvent::MP::Config;
82
83			sub my_run_cmd {
84			my ($cmd) = @_;
85
86			my $cv = &run_cmd;
87			my $status = $cv->recv;
88
89			$status
90			and die "@$cmd: command failed with exit status $status.";
91			}
92
93			sub gen_cert {
94	root	1.2	my_run_cmd [qw(openssl req
95			-new -nodes -x509 -days 3650
96			-newkey rsa:2048 -keyout /dev/fd/3
97			-batch -subj /CN=AnyEvent::MP
98			)],
99	root	1.5	"<", "/dev/null",
100	root	1.1	">" , \my $cert,
101			"3>", \my $key,
102	root	1.4	"2>", "/dev/null";
103	root	1.1
104			"$cert$key"
105			}
106
107	root	1.10	our $cfg = AnyEvent::MP::Config::config;
108	root	1.8	our $profile = $cfg;
109	root	1.1
110			sub resolve_port {
111			my ($node, $port) = split /#/, $_[0], 2;
112
113			$node = (resolve_node $node)->recv;
114			"$node#$port"
115			}
116
117	root	1.10	sub docmd;
118
119	root	1.1	our %CMD = (
120			snd => sub {
121			my $port = resolve_port shift @ARGV;
122			initialise_node "slave/", node_of $port;
123
124	root	1.7	snd $port, @ARGV; @ARGV = ();
125	root	1.1
126			my $cv = AE::cv;
127	root	1.7	my $to = AE::timer 5, 0, sub { $cv->("timeout") };
128	root	1.1	mon $port, $cv;
129	root	1.7	my $reply = port { &$cv; 1 };
130	root	1.1	snd node_of $port, relay => $reply, "ok";
131
132			print join " ", $cv->recv, "\n";
133			},
134
135	root	1.7	rpc => sub {
136			my $port = resolve_port shift @ARGV;
137			initialise_node "slave/", node_of $port;
138
139			my $cv = AE::cv;
140			my $to = AE::timer 5, 0, sub { $cv->("timeout") };
141			my $reply = port { &$cv; 1 };
142			snd $port, @ARGV, $reply; @ARGV = ();
143			mon $port, $cv;
144
145			print join " ", $cv->recv, "\n";
146			},
147
148	root	1.1	mon => sub {
149			my $port = resolve_port shift @ARGV;
150			initialise_node "slave/", node_of $port;
151
152			mon $port, my $cv = AE::cv;
153			print join " ", $cv->recv, "\n";
154			},
155
156	root	1.8	setnoderef => sub {
157			@ARGV >= 1
158			or die "shared secret missing\n";
159
160			$profile->{noderef} = shift @ARGV;
161			++$cfg->{dirty};
162			},
163			clrnoderef => sub {
164			delete $profile->{noderef};
165			++$cfg->{dirty};
166			},
167
168	root	1.1	setsecret => sub {
169	root	1.8	@ARGV >= 1
170	root	1.1	or die "shared secret missing\n";
171
172	root	1.8	$profile->{secret} = shift @ARGV;
173	root	1.1	++$cfg->{dirty};
174			},
175			gensecret => sub {
176	root	1.8	$profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64;
177	root	1.1	++$cfg->{dirty};
178			},
179			clrsecret => sub {
180	root	1.8	delete $profile->{secret};
181	root	1.1	++$cfg->{dirty};
182			},
183
184			setcert => sub {
185	root	1.8	@ARGV >= 1
186	root	1.1	or die "key+certificate pem filename missing\n";
187
188			open my $fh, "<", $ARGV[0]
189			or die "$ARGV[0]: $!";
190
191			local $/;
192	root	1.8	$profile->{cert} = <$fh>;
193	root	1.1	++$cfg->{dirty};
194			},
195			gencert => sub {
196	root	1.8	$profile->{cert} = gen_cert;
197	root	1.1	++$cfg->{dirty};
198			},
199			clrcert => sub {
200	root	1.8	delete $profile->{cert};
201	root	1.1	++$cfg->{dirty};
202			},
203	root	1.6
204			setseeds => sub {
205	root	1.8	$profile->{seeds} = [@ARGV];
206	root	1.6	@ARGV = ();
207			++$cfg->{dirty};
208			},
209			addseed => sub {
210	root	1.10	@ARGV >= 1
211			or die "seed noderef missing\n";
212	root	1.6	my $seed = shift @ARGV;
213	root	1.10
214	root	1.8	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
215			push @{ $profile->{seeds} }, $seed;
216			++$cfg->{dirty};
217			},
218			delseed => sub {
219	root	1.10	@ARGV >= 1
220			or die "seed noderef missing\n";
221	root	1.8	my $seed = shift @ARGV;
222	root	1.10
223	root	1.8	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
224			++$cfg->{dirty};
225			},
226
227			setservices => sub {
228			$profile->{services} = [@ARGV];
229			@ARGV = ();
230	root	1.6	++$cfg->{dirty};
231			},
232	root	1.9	addservice => sub {
233	root	1.10	@ARGV >= 1
234			or die "service specification missing\n";
235	root	1.8	my $service = shift @ARGV;
236			push @{ $profile->{services} }, $service;
237			++$cfg->{dirty};
238			},
239	root	1.9	delservice => sub {
240	root	1.10	@ARGV >= 1
241			or die "service specification missing\n";
242	root	1.8	my $service = shift @ARGV;
243			for (0 .. $#{ $profile->{services} }) {
244			next unless $profile->{services}[$_] eq $service;
245			splice @{ $profile->{services} }, $_, 1;
246			last;
247			}
248	root	1.6	++$cfg->{dirty};
249			},
250	root	1.10
251			profile => sub {
252			@ARGV >= 2
253			or die "profile name or subcommand are missing\n";
254			my $name = shift @ARGV;
255
256			$profile = $cfg->{profile}{$name} \|\|= {};
257
258			docmd;
259			},
260			delprofile => sub {
261			@ARGV >= 1
262			or die "profile name is missing\n";
263			my $name = shift @ARGV;
264
265			delete $cfg->{profile}{$name};
266			},
267	root	1.1	);
268
269			sub docmd {
270			my $cmd = shift @ARGV;
271
272			$CMD{$cmd}
273			or die "$cmd: no such aemp command (try man aemp)";
274
275			$CMD{$cmd}();
276			}
277
278			@ARGV
279			or die "Usage: aemp subcommand ... (try man aemp)\n";
280
281			docmd;
282
283