[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

   # debugging
   aemp trace <noderef>         # trace the network topology

=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 trace {
   my ($node) = @_;
   my $cv = AE::cv;
   my %seen;

   my $to = AE::timer 15, 0, sub {
      warn "timeout\n";
      $cv->();
   };

   initialise_node "slave/", $node;

   my $reply = port {
      my ($node, @neigh) = @_;

      @neigh = grep $_ ne $NODE, @neigh;

      print +(join " ", $node, @neigh), "\n";

      for (@neigh) {
         unless ($seen{$_}++) {
            $cv->begin;
            snd $_, up_nodes => $SELF => $_;
         }
      }

      $cv->end;
   };

   $cv->begin;
   snd $reply, seed => $node;

   $cv->recv;
}

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";
   },

   trace => sub {
      @ARGV >= 1
         or die "noderef missing\n";

      trace +(resolve_node shift @ARGV)->recv;
   },

   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:	1.12
Committed:	Thu Aug 13 22:43:38 2009 UTC (14 years, 9 months ago) by root
Branch:	MAIN
Changes since 1.11:	+6 -3 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	# debugging
48	aemp trace <noderef> # trace the network topology
49
50	=head1 DESCRIPTION
51
52	With aemp you can configure various aspects of AnyEvent::MP and its
53	protocol.
54
55	You can also start a "default node", a node that only depends on the
56	static configuration.
57
58	=cut
59
60	use common::sense;
61
62	BEGIN {
63	if ($ARGV[0] eq "run") {
64	shift;
65
66	#TODO: watchdog? how?
67	#require AnyEvent::Watchdog;
68	require AnyEvent;
69	require AnyEvent::MP;
70	AnyEvent::MP::initialise_node (@ARGV);
71
72	AnyEvent::detect () eq "AnyEvent::Impl::E"
73	? EV::loop ()
74	: AE::cv ()->recv;
75	}
76	}
77
78	use Carp ();
79
80	use AnyEvent;
81	use AnyEvent::Util;
82
83	use AnyEvent::MP;
84	use AnyEvent::MP::Config;
85
86	sub my_run_cmd {
87	my ($cmd) = @_;
88
89	my $cv = &run_cmd;
90	my $status = $cv->recv;
91
92	$status
93	and die "@$cmd: command failed with exit status $status.";
94	}
95
96	sub gen_cert {
97	my_run_cmd [qw(openssl req
98	-new -nodes -x509 -days 3650
99	-newkey rsa:2048 -keyout /dev/fd/3
100	-batch -subj /CN=AnyEvent::MP
101	)],
102	"<", "/dev/null",
103	">" , \my $cert,
104	"3>", \my $key,
105	"2>", "/dev/null";
106
107	"$cert$key"
108	}
109
110	our $cfg = AnyEvent::MP::Config::config;
111	our $profile = $cfg;
112
113	sub resolve_port {
114	my ($node, $port) = split /#/, $_[0], 2;
115
116	$node = (resolve_node $node)->recv;
117	"$node#$port"
118	}
119
120	sub trace {
121	my ($node) = @_;
122	my $cv = AE::cv;
123	my %seen;
124
125	my $to = AE::timer 15, 0, sub {
126	warn "timeout\n";
127	$cv->();
128	};
129
130	initialise_node "slave/", $node;
131
132	my $reply = port {
133	my ($node, @neigh) = @_;
134
135	@neigh = grep $_ ne $NODE, @neigh;
136
137	print +(join " ", $node, @neigh), "\n";
138
139	for (@neigh) {
140	unless ($seen{$_}++) {
141	$cv->begin;
142	snd $_, up_nodes => $SELF => $_;
143	}
144	}
145
146	$cv->end;
147	};
148
149	$cv->begin;
150	snd $reply, seed => $node;
151
152	$cv->recv;
153	}
154
155	sub docmd;
156
157	our %CMD = (
158	snd => sub {
159	my $port = resolve_port shift @ARGV;
160	initialise_node "slave/", node_of $port;
161
162	snd $port, @ARGV; @ARGV = ();
163
164	my $cv = AE::cv;
165	my $to = AE::timer 5, 0, sub { $cv->("timeout") };
166	mon $port, $cv;
167	my $reply = port { &$cv; 1 };
168	snd node_of $port, relay => $reply, "ok";
169
170	print join " ", $cv->recv, "\n";
171	},
172
173	rpc => sub {
174	my $port = resolve_port shift @ARGV;
175	initialise_node "slave/", node_of $port;
176
177	my $cv = AE::cv;
178	my $to = AE::timer 5, 0, sub { $cv->("timeout") };
179	my $reply = port { &$cv; 1 };
180	snd $port, @ARGV, $reply; @ARGV = ();
181	mon $port, $cv;
182
183	print join " ", $cv->recv, "\n";
184	},
185
186	mon => sub {
187	my $port = resolve_port shift @ARGV;
188	initialise_node "slave/", node_of $port;
189
190	mon $port, my $cv = AE::cv;
191	print join " ", $cv->recv, "\n";
192	},
193
194	trace => sub {
195	@ARGV >= 1
196	or die "noderef missing\n";
197
198	trace +(resolve_node shift @ARGV)->recv;
199	},
200
201	setnoderef => sub {
202	@ARGV >= 1
203	or die "shared secret missing\n";
204
205	$profile->{noderef} = shift @ARGV;
206	++$cfg->{dirty};
207	},
208	clrnoderef => sub {
209	delete $profile->{noderef};
210	++$cfg->{dirty};
211	},
212
213	setsecret => sub {
214	@ARGV >= 1
215	or die "shared secret missing\n";
216
217	$profile->{secret} = shift @ARGV;
218	++$cfg->{dirty};
219	},
220	gensecret => sub {
221	$profile->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64;
222	++$cfg->{dirty};
223	},
224	clrsecret => sub {
225	delete $profile->{secret};
226	++$cfg->{dirty};
227	},
228
229	setcert => sub {
230	@ARGV >= 1
231	or die "key+certificate pem filename missing\n";
232
233	open my $fh, "<", $ARGV[0]
234	or die "$ARGV[0]: $!";
235
236	local $/;
237	$profile->{cert} = <$fh>;
238	++$cfg->{dirty};
239	},
240	gencert => sub {
241	$profile->{cert} = gen_cert;
242	++$cfg->{dirty};
243	},
244	clrcert => sub {
245	delete $profile->{cert};
246	++$cfg->{dirty};
247	},
248
249	setseeds => sub {
250	$profile->{seeds} = [@ARGV];
251	@ARGV = ();
252	++$cfg->{dirty};
253	},
254	addseed => sub {
255	@ARGV >= 1
256	or die "seed noderef missing\n";
257	my $seed = shift @ARGV;
258
259	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
260	push @{ $profile->{seeds} }, $seed;
261	++$cfg->{dirty};
262	},
263	delseed => sub {
264	@ARGV >= 1
265	or die "seed noderef missing\n";
266	my $seed = shift @ARGV;
267
268	@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} };
269	++$cfg->{dirty};
270	},
271
272	setservices => sub {
273	$profile->{services} = [@ARGV];
274	@ARGV = ();
275	++$cfg->{dirty};
276	},
277	addservice => sub {
278	@ARGV >= 1
279	or die "service specification missing\n";
280	my $service = shift @ARGV;
281	push @{ $profile->{services} }, $service;
282	++$cfg->{dirty};
283	},
284	delservice => sub {
285	@ARGV >= 1
286	or die "service specification missing\n";
287	my $service = shift @ARGV;
288	for (0 .. $#{ $profile->{services} }) {
289	next unless $profile->{services}[$_] eq $service;
290	splice @{ $profile->{services} }, $_, 1;
291	last;
292	}
293	++$cfg->{dirty};
294	},
295
296	profile => sub {
297	@ARGV >= 2
298	or die "profile name or subcommand are missing\n";
299	my $name = shift @ARGV;
300
301	$profile = $cfg->{profile}{$name} \|\|= {};
302
303	docmd;
304	},
305	delprofile => sub {
306	@ARGV >= 1
307	or die "profile name is missing\n";
308	my $name = shift @ARGV;
309
310	delete $cfg->{profile}{$name};
311	},
312	);
313
314	sub docmd {
315	my $cmd = shift @ARGV;
316
317	$CMD{$cmd}
318	or die "$cmd: no such aemp command (try man aemp)";
319
320	$CMD{$cmd}();
321	}
322
323	@ARGV
324	or die "Usage: aemp subcommand ... (try man aemp)\n";
325
326	docmd;
327
328