[ViewVC] Contents 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 *
#	Content
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	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
23	# node configuration: secret
24	aemp gensecret # generate a random shared secret
25	aemp setsecret <secret> # set the shared secret
26	aemp clrsecret # remove the secret
27
28	# node configuration: TLS
29	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
43	# profile-specific configuration
44	aemp profile <name> <command>... # apply command to profile only
45	aemp delprofile <name> # eradicate the named profile
46
47	=head1 DESCRIPTION
48
49	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
55	=cut
56
57	use common::sense;
58
59	BEGIN {
60	if ($ARGV[0] eq "run") {
61	shift;
62
63	#TODO: watchdog? how?
64	#require AnyEvent::Watchdog;
65	require AnyEvent;
66	require AnyEvent::MP;
67	AnyEvent::MP::initialise_node (@ARGV);
68
69	AnyEvent::detect () eq "AnyEvent::Impl::E"
70	? EV::loop ()
71	: AE::cv ()->recv;
72	}
73	}
74
75	use Carp ();
76
77	use AnyEvent;
78	use AnyEvent::Util;
79
80	use AnyEvent::MP;
81	use AnyEvent::MP::Config;
82
83	sub my_run_cmd {
84	my ($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	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	"<", "/dev/null",
100	">" , \my $cert,
101	"3>", \my $key,
102	"2>", "/dev/null";
103
104	"$cert$key"
105	}
106
107	our $cfg = AnyEvent::MP::Config::config;
108	our $profile = $cfg;
109
110	sub resolve_port {
111	my ($node, $port) = split /#/, $_[0], 2;
112
113	$node = (resolve_node $node)->recv;
114	"$node#$port"
115	}
116
117	sub docmd;
118
119	our %CMD = (
120	snd => sub {
121	my $port = resolve_port shift @ARGV;
122	initialise_node "slave/", node_of $port;
123
124	snd $port, @ARGV; @ARGV = ();
125
126	my $cv = AE::cv;
127	my $to = AE::timer 5, 0, sub { $cv->("timeout") };
128	mon $port, $cv;
129	my $reply = port { &$cv; 1 };
130	snd node_of $port, relay => $reply, "ok";
131
132	print join " ", $cv->recv, "\n";
133	},
134
135	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	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	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	setsecret => sub {
169	@ARGV >= 1
170	or die "shared secret missing\n";
171
172	$profile->{secret} = shift @ARGV;
173	++$cfg->{dirty};
174	},
175	gensecret => sub {
176	$profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64;
177	++$cfg->{dirty};
178	},
179	clrsecret => sub {
180	delete $profile->{secret};
181	++$cfg->{dirty};
182	},
183
184	setcert => sub {
185	@ARGV >= 1
186	or die "key+certificate pem filename missing\n";
187
188	open my $fh, "<", $ARGV[0]
189	or die "$ARGV[0]: $!";
190
191	local $/;
192	$profile->{cert} = <$fh>;
193	++$cfg->{dirty};
194	},
195	gencert => sub {
196	$profile->{cert} = gen_cert;
197	++$cfg->{dirty};
198	},
199	clrcert => sub {
200	delete $profile->{cert};
201	++$cfg->{dirty};
202	},
203
204	setseeds => sub {
205	$profile->{seeds} = [@ARGV];
206	@ARGV = ();
207	++$cfg->{dirty};
208	},
209	addseed => sub {
210	@ARGV >= 1
211	or die "seed noderef missing\n";
212	my $seed = shift @ARGV;
213
214	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
215	push @{ $profile->{seeds} }, $seed;
216	++$cfg->{dirty};
217	},
218	delseed => sub {
219	@ARGV >= 1
220	or die "seed noderef missing\n";
221	my $seed = shift @ARGV;
222
223	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
224	++$cfg->{dirty};
225	},
226
227	setservices => sub {
228	$profile->{services} = [@ARGV];
229	@ARGV = ();
230	++$cfg->{dirty};
231	},
232	addservice => sub {
233	@ARGV >= 1
234	or die "service specification missing\n";
235	my $service = shift @ARGV;
236	push @{ $profile->{services} }, $service;
237	++$cfg->{dirty};
238	},
239	delservice => sub {
240	@ARGV >= 1
241	or die "service specification missing\n";
242	my $service = shift @ARGV;
243	for (0 .. $#{ $profile->{services} }) {
244	next unless $profile->{services}[$_] eq $service;
245	splice @{ $profile->{services} }, $_, 1;
246	last;
247	}
248	++$cfg->{dirty};
249	},
250
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	);
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