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#!/opt/bin/perl |
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1.1 |
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=head1 NAME |
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aemp - AnyEvent:MP utility |
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=head1 SYNOPSIS |
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aemp command args... |
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# protocol commands |
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1.19 |
aemp snd <port> <arg...> # send a message |
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aemp mon <port> # wait till port is killed |
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1.41 |
aemp cal <port> <arg...> # send message, append reply |
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aemp eval <node> <expr...> # evaluate expression |
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1.42 |
aemp shell [<node>] # run an interactive shell |
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aemp trace <node> # trace the network topology |
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# run a node |
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aemp run configure_args... # run a node |
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aemp restart <node> # restart a node if running under watchdog |
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# node configuration: node ID |
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aemp setnodeid <nodeid> # configure the real node id |
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aemp delnodeid # reset node id to default (= inherit) |
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1.1 |
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# node configuration: authentication |
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aemp gensecret # generate a random shared secret |
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aemp setsecret <secret> # set the shared secret |
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aemp delsecret # remove the secret (= inherit) |
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aemp gencert # generate a random certificate |
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aemp setcert <file> # set a certificate (key.pem + certificate.pem) |
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aemp delcert # remove certificate (= inherit) |
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1.8 |
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# node configuration: seed addresses for bootstrapping |
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aemp setseeds <host:port>,... # set seeds |
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aemp delseeds # clear all seeds (= inherit) |
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aemp addseed <host:port> # add a seed |
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aemp delseed <host:port> # remove seed |
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# node configuration: bind addresses |
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aemp setbinds <host:port>,... # set binds |
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aemp delbinds # clear all binds (= inherit) |
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aemp addbind <host:port> # add a bind address |
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aemp delbind <host:port> # remove a bind address |
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1.8 |
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# node configuration: services |
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aemp setservices initfunc,... # set service functions |
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aemp delservices # clear all services (= inherit) |
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aemp addservice <initfunc> # add an instance of a service |
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aemp delservice <initfunc> # delete one instance of a service |
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1.6 |
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# profile management |
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aemp profile <name> <command>... # apply command to profile only |
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aemp setparent <name> # specify a parent profile |
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aemp delparent # clear parent again |
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aemp delprofile <name> # eradicate the named profile |
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aemp showprofile <name> # display given profile |
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aemp showconfig <name> ... # display effective config |
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# node configuration: low-level protocol |
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aemp [set|del]monitor_timeout <seconds> |
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aemp [set|del]connect_interval <seconds> |
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aemp [set|del]framing_format [array] |
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aemp [set|del]auth_offer [array] |
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aemp [set|del]auth_accept [array] |
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aemp [set|del]autocork <boolean> |
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aemp [set|del]nodelay <boolean> |
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1.1 |
=head1 DESCRIPTION |
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With aemp you can configure various aspects of AnyEvent::MP and its |
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protocol, send various messages and even run a node. |
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1.1 |
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The F<aemp> utility works like F<cvs>, F<svn> or other commands: the first |
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argument defines which operation (subcommand) is requested, after which |
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arguments for this operation are expected. When a subcommand does not eat |
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all remaining arguments, the remaining arguments will again be interpreted |
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as subcommand and so on. |
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This means you can chain multiple commands, which is handy for profile |
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configuration, e.g.: |
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aemp gensecret profile xyzzy binds 4040,4041 nodeid anon/ |
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Please note that all C<setxxx> subcommands have an alias without the |
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C<set> prefix. |
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1.23 |
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All configuration data is stored in a human-readable (JSON) config file |
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1.46 |
stored in F<~/.perl-anyevent-mp> (or F<%appdata%/perl-anyevent-mp> on |
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loser systems, or wherever C<$ENV{PERL_ANYEVENT_MP_RC}> points to). Feel |
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free to look at it or edit it, the format is relatively simple. |
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=head2 SPECIFYING ARGUMENTS |
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Arguments can be specified just as with any other shell command, with a |
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few special cases: |
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If the I<first> argument starts with a literal C<[>-character, then it is |
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interpreted as a UTF-8 encoded JSON text. The resulting array replaces all |
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arguments. |
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Otherwise, if I<any> argument starts with one of C<[>, C<{> or C<">, then |
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it is interpreted as UTF-8 encoded JSON text (or a single value in case of |
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C<">), and the resulting reference or scalar replaces the argument. |
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This allows you, for example, to specify binds in F<aemp run> (using POSIX |
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shell syntax): |
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aemp run binds '["*:4040"]' |
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=head2 RUNNING A NODE |
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This can be used to run a node - together with some services, this makes |
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it unnecessary to write any wrapper programs. |
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1.23 |
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=over 4 |
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=item run <configure_args>... |
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1.23 |
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1.26 |
Runs a node by calling C<AnyEvent::MP::Kernel::configure> with the given |
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arguments. The node runs under L<AnyEvent::Watchdog>, can be restarted |
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(and autorestarted, see the L<AnyEvent::Watchdog> manual). A very common |
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invocation is to just specify a profile using the profile name |
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1.30 |
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aemp run database-backend |
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... but you can use most arguments that C<configure> understands: |
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aemp run nodeid mynode2 profile someprofile |
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1.23 |
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Care has been taken to load (almost) no modules other than |
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L<AnyEvent::Watchdog> and the modules it loads, so everything (including |
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the L<AnyEvent::MP> modules themselves) will be freshly loaded on restart, |
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which makes upgrading everything except the perl binary easy. |
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=item restart <node> |
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Restarts the node using C<AnyEvent::Watchdog::Util::restart>. This works |
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for nodes started by C<aemp run>, but also for any other node that uses |
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L<AnyEvent::Watchdog>. |
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1.23 |
=back |
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=head2 PROTOCOL COMMANDS |
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These commands actually communicate with other nodes. They all use a node |
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1.32 |
profile name of C<aemp> (specifying a default node ID of C<anon/> and a |
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1.25 |
binds list containing C<*:*> only). |
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1.23 |
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They all use a timeout of five seconds, after which they give up. |
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=over 4 |
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=item snd <port> <arguments...> |
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Simply send a message to the given port - where you get the port ID from |
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is your problem. |
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Exits after ensuring that the message has been delivered to its node. |
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Most useful to take advantage of some undocumented functionality inside |
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nodes, such as node ports being able to call any method: |
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aemp snd doomed AnyEvent::Watchdog::restart 1 |
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=item cal <port> <arg...> |
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Like F<aemp cal>: appends a local reply port to the message and waits for |
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a message to it. |
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1.23 |
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Any return values will be JSON-encoded and printed separated by commas |
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(kind of like a JSON array without []-brackets). |
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1.41 |
Example: ask the (undocumented) time service of a node for its current |
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1.23 |
time. |
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1.41 |
aemp cal mynode time |
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1.23 |
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=item mon <port> |
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Monitors the port and exits when it's monitorign callback is called. Most |
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useful to monitor node ports. |
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Example: monitor some node. |
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aemp mon doomed |
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=item eval <node> <expr...> |
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Joins all remaining arguments into a string and evaluates it on the given |
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node. Return values are handled as with F<aemp cal>. |
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1.23 |
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Example: find the unix process ID of the node called posicks. |
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aemp eval posicks '$$' |
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=item trace <node> |
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Asks the given node for all currently connected nodes, then asks those |
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nodes for the same, thus tracing all node connections. |
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1.31 |
=back |
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1.23 |
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=head2 CONFIGURATION/NODE ID/SECRET/CERTIFICATE |
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These commands deal with rather basic settings, the node ID, the shared |
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secret and the TLS certificate. |
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=over 4 |
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=item setnodeid <nodeid> |
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Set the node ID to the given string. If it ends with a slash (C</>), then |
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a random string is appended to make it unique. |
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If no nodeid is specified in any profile, then the profile name, plus |
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appended slash, is used. |
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1.23 |
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=item delnodeid |
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Removes the node ID again, which means it is inherited again from it's |
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parent profile, or stays unset. |
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=item gensecret |
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Generates a random shared secret (currently 1071 bits) and sets it. The |
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shared secret is used to authenticate nodes to each other when TLS is not |
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required. |
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1.23 |
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=item setsecret <secret> |
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1.51 |
Sets the shared secret to the given string, which can be anything. |
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1.23 |
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=item delsecret |
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Removes the shared secret again, which means it is inherited again from |
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it's parent profile, or stays unset. |
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=item gencert |
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Generates a self-signed certificate and key, and sets it. This works |
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similarly to a shared secret: when all nodes have it, TLS will be used to |
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authenticate and encrypt all traffic. |
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=item setcert <file> |
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Set a node certificate (and optionally any CA certificates) from the given |
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file. The file must contain the key, followed by the certificate, followed |
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by any CA certificates you want to trust, all in PEM format. |
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See L<AnyEvent::TLS> for some more details - this sets the C<cert> and |
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C<ca_cert> options. |
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=item delcert |
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Removes the certificate(s) again, which means it is inherited again from |
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it's parent profile, or stays unset. |
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=back |
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=head2 CONFIGURATION/SEEDS |
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To discover the network you have to specify some seed addresses, which are |
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basically C<host:port> pairs where you expect some long-running nodes. It |
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does no harm to have a node as its own seed (they will eventually be |
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ignored). |
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1.31 |
=over 4 |
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1.23 |
=item setseeds <host:port>,... |
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Sets or replaces the list of seeds, which must be specified as a |
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comma-separated list of C<host:port> pairs. The C<host> can be a hostname, |
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1.36 |
an IP address, or C<*> to signify all local host addresses (which makes |
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little sense for seeds, outside some examples, but a lot of sense for |
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binds). |
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An empty list is allowed. |
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Example: use C<doomed> with default port as only seednode. |
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aemp setseeds doomed |
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=item delseeds |
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Removes the seed list again, which means it is inherited again from it's |
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parent profile, or stays unset. |
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=item addseed <host:port> |
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Adds a single seed address. |
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=item delseed <host:port> |
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Deletes the given seed address, if it exists. |
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=back |
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=head2 CONFIGURATION/BINDS |
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To be able to be reached from other nodes, a node must I<bind> itself |
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to some listening socket(s). The list of these can either bs specified |
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manually, or AnyEvent::MP can guess them. Nodes without any binds are |
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possible to some extent. |
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=over 4 |
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=item setbinds <host:port>,... |
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Sets the list of bind addresses explicitly - see the F<aemp setseeds> |
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command for the exact syntax. In addition, a value of C<*> for the port, |
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or not specifying a port, means to use a dynamically-assigned port. |
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1.23 |
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1.36 |
Note that the C<*>, C<*:*> or C<*:port> patterns are very useful here. |
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1.23 |
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Example: bind on a ephemeral port on all local interfaces. |
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aemp setbinds "*" |
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Example: bind on a random port on all local interfaces. |
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1.25 |
aemp setbinds "*:*" |
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1.23 |
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Example: resolve "doomed.mydomain" and try to bind on port C<4040> of all |
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IP addressess returned. |
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1.36 |
aep setbinds doomed.mydomain:4040 |
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1.23 |
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=item delbinds |
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Removes the bind list again, which means it is inherited again from it's |
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parent profile, or stays unset. |
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=item addbind <host:port> |
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Adds a single bind address. |
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=item delbind <host:port> |
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Deletes the given bind address, if it exists. |
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=back |
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=head2 CONFIGURATION/SERVICES |
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Services are modules (or functions) that are automatically loaded (or |
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executed) when a node starts. They are especially useful when used in |
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conjunction with F<aemp run>, to configure which services a node should |
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run. |
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1.47 |
Despite the daunting name, services really I<are> nothing more than a |
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module name or a function name with arguments. The "service" aspect comes |
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only from the behaviour of the module or function, which is supposed to |
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implement, well, some kind of service for the node, network etc. |
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Instead of writing a standalone program for each different node type in |
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your network, you can simply put your code into a module, and then let the |
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configuration decide which node runs which "services". This also makes it |
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easy to combine multiple different services within the same node. |
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1.23 |
=over 4 |
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=item setservices <initfunc>... |
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Sets or replaces the list of services, which must be specified as a |
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1.37 |
comma-separated list or a JSON array. |
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Each string entry in the list is interpreted as either a module name to |
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load (when it ends with C<::>) or a function to call (all other cases). |
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Each entry which is an array itself (you need to use JSON format to |
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specify those) is interpreted as a function name and the arguments to |
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pass. |
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1.23 |
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1.37 |
The algorithm to find the function is the same as used for C<< |
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root |
1.23 |
L<AnyEvent::MP>::spawn >>. |
378 |
|
|
|
379 |
root |
1.37 |
Example: run the globa service (which runs anyway, but this doesn't hurt). |
380 |
|
|
|
381 |
|
|
aemp setservices AnyEvent::MP::Global:: |
382 |
|
|
|
383 |
|
|
Example: call the mymod::myfun function with arguments 1, 2 and 3. |
384 |
|
|
|
385 |
|
|
aemp setservices '[["mymod::myfun", 1,2,3]]' |
386 |
|
|
|
387 |
root |
1.23 |
=item delservices |
388 |
|
|
|
389 |
|
|
Removes the service list again, which means it is inherited again from |
390 |
|
|
it's parent profile, or stays unset. |
391 |
|
|
|
392 |
|
|
=item addservice <initfunc> |
393 |
|
|
|
394 |
|
|
Adds a single service. |
395 |
|
|
|
396 |
|
|
=item delservice <initfunc> |
397 |
|
|
|
398 |
|
|
Deletes the given service, if it exists. |
399 |
|
|
|
400 |
|
|
=back |
401 |
|
|
|
402 |
|
|
=head2 CONFIGURATION/PROFILE MANAGEMENT |
403 |
|
|
|
404 |
|
|
All the above configuration functions by default affect the I<global |
405 |
|
|
default configuration>, which is basically used to augment every profile |
406 |
|
|
and node configuration. |
407 |
|
|
|
408 |
|
|
=over 4 |
409 |
|
|
|
410 |
|
|
=item profile <name> ... |
411 |
|
|
|
412 |
|
|
This subcommand makes the following subcommands act only on a specific |
413 |
|
|
named profile, instead of on the global default. The profile is created if |
414 |
|
|
necessary. |
415 |
|
|
|
416 |
|
|
Example: create a C<server> profile, give it a random node name, some seed |
417 |
|
|
nodes and bind it on an unspecified port on all local interfaces. You |
418 |
|
|
should add some services then and run the node... |
419 |
|
|
|
420 |
root |
1.30 |
aemp profile server nodeid anon/ seeds doomed,10.0.0.2:5000 binds "*:*" |
421 |
root |
1.23 |
|
422 |
|
|
=item delprofile <name> |
423 |
|
|
|
424 |
|
|
Deletes the profile of the given name. |
425 |
|
|
|
426 |
root |
1.26 |
=item setparent <name> |
427 |
root |
1.24 |
|
428 |
|
|
Sets the parent profile to use - values not specified in a profile will be |
429 |
|
|
taken from the parent profile (even recursively, with the global default |
430 |
|
|
config being the default parent). This is useful to configure profile |
431 |
|
|
I<classes> and then to inherit from them for individual nodes. |
432 |
|
|
|
433 |
|
|
Note that you can specify circular parent chains and even a parent for the |
434 |
|
|
global configuration. Neither will do you any good, however. |
435 |
|
|
|
436 |
|
|
Example: inherit all values not specified in the C<doomed> profile from |
437 |
|
|
the C<server> profile. |
438 |
|
|
|
439 |
root |
1.26 |
aemp profile doomed setparent server |
440 |
root |
1.24 |
|
441 |
|
|
=item delparent |
442 |
|
|
|
443 |
|
|
Removes the parent again from the profile, if any was set, so the profile |
444 |
|
|
inherits directly from the global default config again. |
445 |
|
|
|
446 |
root |
1.23 |
=item showprofile <name> |
447 |
|
|
|
448 |
|
|
Shows the values of the given profile, and only those, no inherited |
449 |
|
|
values. |
450 |
|
|
|
451 |
root |
1.25 |
=item showconfig <name> <key value...> |
452 |
root |
1.23 |
|
453 |
root |
1.24 |
Shows the I<effective> config, i.e. the values as used by a node started |
454 |
root |
1.25 |
with the given profile name. Any additional key-value pairs specified |
455 |
root |
1.26 |
augment the configuration, just as with C<configure>. |
456 |
root |
1.24 |
|
457 |
root |
1.25 |
If all arguments are omitted, show the global default config. |
458 |
root |
1.23 |
|
459 |
|
|
=back |
460 |
|
|
|
461 |
root |
1.47 |
=head2 LOW-LEVEL TRANSPORT PROTOCOL |
462 |
|
|
|
463 |
|
|
The low-level transport protocol betwene two nodes also has a number of |
464 |
|
|
configurable options, most of which should not be touched unless you know |
465 |
|
|
what you are doing. |
466 |
|
|
|
467 |
|
|
=over 4 |
468 |
|
|
|
469 |
|
|
=item [set|del]monitor_timeout <seconds> |
470 |
|
|
|
471 |
|
|
Sets the default monitor timeout, that is, when a connection to a node |
472 |
|
|
cannot be established within this many seconds, the node is declared |
473 |
|
|
unreachable and all monitors will fire. |
474 |
|
|
|
475 |
|
|
C<30> seconds are usually a good time span for this. |
476 |
|
|
|
477 |
|
|
=item [set|del]connect_interval <seconds> |
478 |
|
|
|
479 |
|
|
When a connection cannot be established successfully within this many |
480 |
|
|
seconds, try the next transport address (e.g. the next IP address). If |
481 |
|
|
your nodes have a lot of transports, you might have to set this to a low |
482 |
|
|
value so that they will actually all be tried within the monitor timeout |
483 |
|
|
interval. |
484 |
|
|
|
485 |
|
|
C<2> is usually a good value, unless you live in new zealand. |
486 |
|
|
|
487 |
|
|
=item [set|del]framing_format [array] |
488 |
|
|
|
489 |
|
|
Configures the list of framing formats offered to the other side. This is |
490 |
|
|
simply a list of formatted read/write types used with L<AnyEvent::Handle>, |
491 |
|
|
in order of decreasing preference. |
492 |
|
|
|
493 |
|
|
Nodes support both C<json> and C<storable> framing formats for data |
494 |
|
|
packets out of the box, and usually choose C<json> because it is first in |
495 |
|
|
the list. |
496 |
|
|
|
497 |
|
|
Example: prefer the C<My::Personal::Format> framing format over JSON over |
498 |
|
|
Storable. |
499 |
|
|
|
500 |
|
|
aemp setframing_format '["My::Personal::Format", "json", "storable"]' |
501 |
|
|
|
502 |
|
|
=item [set|del]auth_offer [array] |
503 |
|
|
|
504 |
|
|
Configures the list of authentication types that the node offers to the |
505 |
|
|
other side as acceptable, in order of decreasing preference. Only auth |
506 |
|
|
methods that the node can actually support will be offered. |
507 |
|
|
|
508 |
|
|
The default is '["tls_md6_64_256", "hmac_md6_64_256"]' and is usually good |
509 |
|
|
enough. |
510 |
|
|
|
511 |
|
|
=item [set|del]auth_accept [array] |
512 |
|
|
|
513 |
|
|
Configures the list of authentication types that remote nodes can use to |
514 |
|
|
authenticate, in order of decreasing preference. |
515 |
|
|
|
516 |
|
|
The default is '["tls_md6_64_256", "hmac_md6_64_256", "tls_anon", |
517 |
|
|
"cleartext"]' and is usually good enough. |
518 |
|
|
|
519 |
|
|
=item [set|del]autocork <boolean> |
520 |
|
|
|
521 |
|
|
Sets the default C<autocork> option value for the L<AnyEvent::Handle> |
522 |
|
|
object used by transports. By default, autocorking is off. |
523 |
|
|
|
524 |
|
|
=item [set|del]nodelay <boolean> |
525 |
|
|
|
526 |
|
|
Sets the default C<nodelay> option value for the L<AnyEvent::Handle> |
527 |
|
|
object used by transports. By default, nodelay is on. |
528 |
|
|
|
529 |
|
|
=back |
530 |
|
|
|
531 |
root |
1.1 |
=cut |
532 |
|
|
|
533 |
|
|
use common::sense; |
534 |
|
|
|
535 |
root |
1.19 |
# should come before anything else, so all modules |
536 |
|
|
# will be loaded on each restart |
537 |
root |
1.22 |
BEGIN { |
538 |
root |
1.35 |
if (@ARGV == 1 && $ARGV[0] =~ /^\[/) { |
539 |
|
|
require JSON::XS; |
540 |
|
|
@ARGV = @{ JSON::XS->new->utf8->decode (shift) }; |
541 |
|
|
} else { |
542 |
|
|
for (@ARGV) { |
543 |
|
|
if (/^[\[\{\"]/) { |
544 |
|
|
require JSON::XS; |
545 |
|
|
$_ = JSON::XS->new->utf8->allow_nonref->decode ($_); |
546 |
|
|
} |
547 |
|
|
} |
548 |
|
|
} |
549 |
|
|
|
550 |
root |
1.8 |
if ($ARGV[0] eq "run") { |
551 |
|
|
shift; |
552 |
|
|
|
553 |
root |
1.13 |
# d'oh |
554 |
root |
1.22 |
require AnyEvent::Watchdog; |
555 |
root |
1.48 |
# only now can we load additional modules |
556 |
|
|
|
557 |
|
|
require AnyEvent; |
558 |
root |
1.19 |
|
559 |
root |
1.29 |
require AnyEvent::Watchdog::Util; |
560 |
|
|
AnyEvent::Watchdog::Util::autorestart (1); |
561 |
|
|
AnyEvent::Watchdog::Util::heartbeat (300); |
562 |
root |
1.13 |
|
563 |
root |
1.25 |
require AnyEvent::MP::Kernel; |
564 |
root |
1.26 |
AnyEvent::MP::Kernel::configure (@ARGV); |
565 |
root |
1.8 |
|
566 |
root |
1.16 |
AnyEvent::detect () eq "AnyEvent::Impl::EV" |
567 |
root |
1.8 |
? EV::loop () |
568 |
|
|
: AE::cv ()->recv; |
569 |
|
|
} |
570 |
root |
1.22 |
} |
571 |
root |
1.8 |
|
572 |
root |
1.1 |
use Carp (); |
573 |
|
|
|
574 |
root |
1.17 |
use JSON::XS; |
575 |
|
|
|
576 |
root |
1.1 |
use AnyEvent; |
577 |
root |
1.4 |
use AnyEvent::Util; |
578 |
|
|
|
579 |
root |
1.8 |
use AnyEvent::MP; |
580 |
root |
1.1 |
use AnyEvent::MP::Config; |
581 |
|
|
|
582 |
|
|
sub my_run_cmd { |
583 |
|
|
my ($cmd) = @_; |
584 |
|
|
|
585 |
|
|
my $cv = &run_cmd; |
586 |
|
|
my $status = $cv->recv; |
587 |
|
|
|
588 |
|
|
$status |
589 |
|
|
and die "@$cmd: command failed with exit status $status."; |
590 |
|
|
} |
591 |
|
|
|
592 |
|
|
sub gen_cert { |
593 |
root |
1.2 |
my_run_cmd [qw(openssl req |
594 |
|
|
-new -nodes -x509 -days 3650 |
595 |
|
|
-newkey rsa:2048 -keyout /dev/fd/3 |
596 |
|
|
-batch -subj /CN=AnyEvent::MP |
597 |
|
|
)], |
598 |
root |
1.5 |
"<", "/dev/null", |
599 |
root |
1.1 |
">" , \my $cert, |
600 |
|
|
"3>", \my $key, |
601 |
root |
1.4 |
"2>", "/dev/null"; |
602 |
root |
1.1 |
|
603 |
|
|
"$cert$key" |
604 |
|
|
} |
605 |
|
|
|
606 |
root |
1.25 |
sub init { |
607 |
root |
1.26 |
configure profile => "aemp", nodeid => "anon/"; |
608 |
root |
1.25 |
} |
609 |
|
|
|
610 |
root |
1.10 |
our $cfg = AnyEvent::MP::Config::config; |
611 |
root |
1.8 |
our $profile = $cfg; |
612 |
root |
1.1 |
|
613 |
root |
1.11 |
sub trace { |
614 |
|
|
my ($node) = @_; |
615 |
|
|
my $cv = AE::cv; |
616 |
|
|
my %seen; |
617 |
|
|
|
618 |
root |
1.28 |
my $to = AE::timer 15, 0, sub { exit 1 }; |
619 |
root |
1.11 |
|
620 |
root |
1.25 |
init; |
621 |
root |
1.11 |
|
622 |
|
|
my $reply = port { |
623 |
root |
1.12 |
my ($node, @neigh) = @_; |
624 |
root |
1.11 |
|
625 |
root |
1.12 |
@neigh = grep $_ ne $NODE, @neigh; |
626 |
|
|
|
627 |
|
|
print +(join " ", $node, @neigh), "\n"; |
628 |
|
|
|
629 |
|
|
for (@neigh) { |
630 |
root |
1.11 |
unless ($seen{$_}++) { |
631 |
|
|
$cv->begin; |
632 |
|
|
snd $_, up_nodes => $SELF => $_; |
633 |
|
|
} |
634 |
|
|
} |
635 |
|
|
|
636 |
|
|
$cv->end; |
637 |
|
|
}; |
638 |
|
|
|
639 |
|
|
$cv->begin; |
640 |
|
|
snd $reply, seed => $node; |
641 |
|
|
|
642 |
|
|
$cv->recv; |
643 |
|
|
} |
644 |
|
|
|
645 |
root |
1.42 |
sub shell { |
646 |
|
|
init; |
647 |
|
|
|
648 |
|
|
my $node = shift @ARGV || $NODE; |
649 |
|
|
$| = 1; |
650 |
|
|
|
651 |
|
|
print <<EOF; |
652 |
|
|
Entering interactive shell - no commandline editing of course (use rlfe etc.). |
653 |
|
|
|
654 |
root |
1.43 |
\= display a list of nodes |
655 |
|
|
\=name switch to another node |
656 |
root |
1.51 |
package P switch to package P when evaluating |
657 |
|
|
\$ECHO contains the name of a port that echos everything sent to it |
658 |
root |
1.42 |
|
659 |
|
|
EOF |
660 |
|
|
print "$node> "; |
661 |
root |
1.51 |
my $pkg; |
662 |
root |
1.42 |
my $cv = AE::cv; |
663 |
root |
1.51 |
my $echo = port { |
664 |
|
|
print "\n ECHO<$AnyEvent::MP::Kernel::SRCNODE->{id}> ", JSON::XS::encode_json \@_, "\n$node> "; |
665 |
|
|
}; |
666 |
root |
1.42 |
my $t = AE::io *STDIN, 0, sub { |
667 |
|
|
chomp (my $line = <STDIN>); |
668 |
|
|
|
669 |
|
|
if ($line =~ s/^=//) { |
670 |
|
|
if (length $line) { |
671 |
|
|
$node = $line; |
672 |
|
|
} else { |
673 |
|
|
print +(join " ", AnyEvent::MP::Kernel::up_nodes), "\n"; |
674 |
|
|
} |
675 |
root |
1.51 |
} elsif ($line =~ /^\s*package\s+(\S+)\s*;?\s*$/) { |
676 |
|
|
$pkg = "package $1"; |
677 |
|
|
} elsif ($line =~ /\S/) { |
678 |
root |
1.42 |
my $time = AE::time; |
679 |
root |
1.51 |
AnyEvent::MP::Kernel::eval_on $node, "$pkg; my \$ECHO = '$echo'; $line", port { |
680 |
root |
1.42 |
my ($err, @res) = @_; |
681 |
|
|
|
682 |
|
|
$time = AE::time - $time; |
683 |
|
|
|
684 |
|
|
print "\n $node: $line\n"; |
685 |
|
|
if (length $err) { |
686 |
|
|
print " $err @res"; |
687 |
|
|
} else { |
688 |
root |
1.51 |
print " ", JSON::XS::encode_json \@res; |
689 |
root |
1.42 |
} |
690 |
|
|
printf "\n %0.3fs\n", $time; |
691 |
|
|
print "$node> "; |
692 |
|
|
}; |
693 |
|
|
} |
694 |
|
|
|
695 |
|
|
print "$node> "; |
696 |
|
|
}; |
697 |
|
|
$cv->recv; |
698 |
|
|
} |
699 |
|
|
|
700 |
root |
1.37 |
sub node_eval { |
701 |
|
|
my ($node, $expr) = @_; |
702 |
|
|
|
703 |
|
|
init; |
704 |
|
|
|
705 |
|
|
my $cv = AE::cv; |
706 |
|
|
my $to = AE::timer 5, 0, sub { exit 1 }; |
707 |
|
|
AnyEvent::MP::Kernel::eval_on $node, $expr, port { &$cv }; |
708 |
|
|
mon $node, $cv; |
709 |
|
|
|
710 |
|
|
my ($err, @res) = $cv->recv; |
711 |
|
|
|
712 |
root |
1.39 |
die "$err @res" if length $err; |
713 |
root |
1.37 |
|
714 |
|
|
print +(substr JSON::XS->new->encode (\@res), 1, -1), "\n"; |
715 |
|
|
} |
716 |
|
|
|
717 |
root |
1.10 |
sub docmd; |
718 |
|
|
|
719 |
root |
1.1 |
our %CMD = ( |
720 |
|
|
snd => sub { |
721 |
root |
1.17 |
my $port = shift @ARGV; |
722 |
root |
1.25 |
init; |
723 |
root |
1.1 |
|
724 |
root |
1.7 |
snd $port, @ARGV; @ARGV = (); |
725 |
root |
1.1 |
|
726 |
|
|
my $cv = AE::cv; |
727 |
root |
1.28 |
my $to = AE::timer 5, 0, sub { exit 1 }; |
728 |
root |
1.1 |
mon $port, $cv; |
729 |
root |
1.19 |
my $reply = port sub { &$cv }; |
730 |
|
|
snd node_of $port, snd => $reply, "message sent successfully"; |
731 |
root |
1.1 |
|
732 |
|
|
print join " ", $cv->recv, "\n"; |
733 |
|
|
}, |
734 |
|
|
|
735 |
root |
1.41 |
cal => sub { |
736 |
root |
1.17 |
my $port = shift @ARGV; |
737 |
root |
1.25 |
init; |
738 |
root |
1.7 |
|
739 |
|
|
my $cv = AE::cv; |
740 |
root |
1.41 |
cal $port, @ARGV, sub { &$cv }; @ARGV = (); |
741 |
root |
1.7 |
|
742 |
root |
1.23 |
print +(substr JSON::XS->new->encode ([$cv->recv]), 1, -1), "\n"; |
743 |
root |
1.7 |
}, |
744 |
|
|
|
745 |
root |
1.1 |
mon => sub { |
746 |
root |
1.17 |
my $port = shift @ARGV; |
747 |
root |
1.25 |
init; |
748 |
root |
1.1 |
|
749 |
|
|
mon $port, my $cv = AE::cv; |
750 |
|
|
print join " ", $cv->recv, "\n"; |
751 |
|
|
}, |
752 |
|
|
|
753 |
root |
1.19 |
eval => sub { |
754 |
|
|
my $node = node_of shift @ARGV; |
755 |
|
|
my $expr = join " ", @ARGV; @ARGV = (); |
756 |
root |
1.37 |
node_eval $node, $expr; |
757 |
root |
1.19 |
}, |
758 |
|
|
|
759 |
root |
1.42 |
shell => \&shell, |
760 |
|
|
|
761 |
root |
1.11 |
trace => sub { |
762 |
|
|
@ARGV >= 1 |
763 |
root |
1.17 |
or die "node id missing\n"; |
764 |
root |
1.11 |
|
765 |
root |
1.17 |
trace shift @ARGV; |
766 |
root |
1.11 |
}, |
767 |
root |
1.37 |
restart => sub { |
768 |
|
|
my $node = node_of shift @ARGV; |
769 |
root |
1.44 |
node_eval $node, 'my $w; $w = AE::idle sub { ' |
770 |
|
|
. 'undef $w; ' |
771 |
|
|
. 'use AnyEvent::Watchdog::Util ();' |
772 |
|
|
. 'AnyEvent::Watchdog::Util::restart' |
773 |
|
|
. '}; ()'; |
774 |
root |
1.37 |
}, |
775 |
root |
1.11 |
|
776 |
root |
1.17 |
setnodeid => sub { |
777 |
root |
1.8 |
@ARGV >= 1 |
778 |
|
|
or die "shared secret missing\n"; |
779 |
|
|
|
780 |
root |
1.17 |
$profile->{nodeid} = shift @ARGV; |
781 |
root |
1.8 |
++$cfg->{dirty}; |
782 |
|
|
}, |
783 |
root |
1.17 |
delnodeid => sub { |
784 |
|
|
delete $profile->{nodeid}; |
785 |
root |
1.8 |
++$cfg->{dirty}; |
786 |
|
|
}, |
787 |
|
|
|
788 |
root |
1.1 |
setsecret => sub { |
789 |
root |
1.8 |
@ARGV >= 1 |
790 |
root |
1.1 |
or die "shared secret missing\n"; |
791 |
|
|
|
792 |
root |
1.8 |
$profile->{secret} = shift @ARGV; |
793 |
root |
1.1 |
++$cfg->{dirty}; |
794 |
|
|
}, |
795 |
|
|
gensecret => sub { |
796 |
root |
1.51 |
$profile->{secret} = AnyEvent::MP::Kernel::nonce62 180; # ~1071 bits |
797 |
root |
1.1 |
++$cfg->{dirty}; |
798 |
|
|
}, |
799 |
root |
1.17 |
delsecret => sub { |
800 |
root |
1.8 |
delete $profile->{secret}; |
801 |
root |
1.1 |
++$cfg->{dirty}; |
802 |
|
|
}, |
803 |
|
|
|
804 |
|
|
setcert => sub { |
805 |
root |
1.8 |
@ARGV >= 1 |
806 |
root |
1.1 |
or die "key+certificate pem filename missing\n"; |
807 |
|
|
|
808 |
elmex |
1.45 |
my $certfile = shift @ARGV; |
809 |
|
|
|
810 |
|
|
open my $fh, "<", $certfile |
811 |
|
|
or die "$certfile: $!"; |
812 |
root |
1.1 |
|
813 |
|
|
local $/; |
814 |
root |
1.8 |
$profile->{cert} = <$fh>; |
815 |
root |
1.1 |
++$cfg->{dirty}; |
816 |
|
|
}, |
817 |
|
|
gencert => sub { |
818 |
root |
1.8 |
$profile->{cert} = gen_cert; |
819 |
root |
1.1 |
++$cfg->{dirty}; |
820 |
|
|
}, |
821 |
root |
1.17 |
delcert => sub { |
822 |
root |
1.8 |
delete $profile->{cert}; |
823 |
root |
1.1 |
++$cfg->{dirty}; |
824 |
|
|
}, |
825 |
root |
1.6 |
|
826 |
root |
1.17 |
setbinds => sub { |
827 |
root |
1.19 |
@ARGV >= 1 |
828 |
|
|
or die "bind addresses missing\n"; |
829 |
root |
1.38 |
my $list = shift @ARGV; |
830 |
|
|
$profile->{binds} = ref $list ? $list : [split /,/, $list]; |
831 |
root |
1.17 |
++$cfg->{dirty}; |
832 |
|
|
}, |
833 |
|
|
delbinds => sub { |
834 |
|
|
delete $profile->{binds}; |
835 |
|
|
++$cfg->{dirty}; |
836 |
|
|
}, |
837 |
|
|
addbind => sub { |
838 |
|
|
@ARGV >= 1 |
839 |
|
|
or die "bind address missing\n"; |
840 |
|
|
my $bind = shift @ARGV; |
841 |
|
|
|
842 |
|
|
@{ $profile->{binds} } = grep $_ ne $bind, @{ $profile->{binds} }; |
843 |
|
|
push @{ $profile->{binds} }, $bind; |
844 |
|
|
++$cfg->{dirty}; |
845 |
|
|
}, |
846 |
|
|
delbind => sub { |
847 |
|
|
@ARGV >= 1 |
848 |
|
|
or die "bind address missing\n"; |
849 |
|
|
my $bind = shift @ARGV; |
850 |
|
|
|
851 |
|
|
@{ $profile->{binds} } = grep $_ ne $bind, @{ $profile->{binds} }; |
852 |
|
|
++$cfg->{dirty}; |
853 |
|
|
}, |
854 |
|
|
|
855 |
root |
1.6 |
setseeds => sub { |
856 |
root |
1.19 |
@ARGV >= 1 |
857 |
|
|
or die "seed addresses missing\n"; |
858 |
root |
1.38 |
my $list = shift @ARGV; |
859 |
|
|
$profile->{seeds} = ref $list ? $list : [split /,/, $list]; |
860 |
root |
1.6 |
++$cfg->{dirty}; |
861 |
|
|
}, |
862 |
root |
1.17 |
delseeds => sub { |
863 |
|
|
delete $profile->{seeds}; |
864 |
|
|
++$cfg->{dirty}; |
865 |
|
|
}, |
866 |
root |
1.6 |
addseed => sub { |
867 |
root |
1.10 |
@ARGV >= 1 |
868 |
root |
1.17 |
or die "seed address missing\n"; |
869 |
root |
1.6 |
my $seed = shift @ARGV; |
870 |
root |
1.10 |
|
871 |
root |
1.8 |
@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
872 |
|
|
push @{ $profile->{seeds} }, $seed; |
873 |
|
|
++$cfg->{dirty}; |
874 |
|
|
}, |
875 |
|
|
delseed => sub { |
876 |
root |
1.10 |
@ARGV >= 1 |
877 |
root |
1.17 |
or die "seed address missing\n"; |
878 |
root |
1.8 |
my $seed = shift @ARGV; |
879 |
root |
1.10 |
|
880 |
root |
1.8 |
@{ $profile->{seeds} } = grep $_ ne $seed, @{ $profile->{seeds} }; |
881 |
|
|
++$cfg->{dirty}; |
882 |
|
|
}, |
883 |
|
|
|
884 |
|
|
setservices => sub { |
885 |
root |
1.19 |
@ARGV >= 1 |
886 |
|
|
or die "service specifications missing\n"; |
887 |
root |
1.38 |
my $list = shift @ARGV; |
888 |
|
|
$profile->{services} = ref $list ? $list : [split /,/, $list]; |
889 |
root |
1.6 |
++$cfg->{dirty}; |
890 |
|
|
}, |
891 |
root |
1.17 |
delservices => sub { |
892 |
|
|
delete $profile->{services}; |
893 |
|
|
++$cfg->{dirty}; |
894 |
|
|
}, |
895 |
root |
1.9 |
addservice => sub { |
896 |
root |
1.10 |
@ARGV >= 1 |
897 |
|
|
or die "service specification missing\n"; |
898 |
root |
1.8 |
my $service = shift @ARGV; |
899 |
|
|
push @{ $profile->{services} }, $service; |
900 |
|
|
++$cfg->{dirty}; |
901 |
|
|
}, |
902 |
root |
1.9 |
delservice => sub { |
903 |
root |
1.10 |
@ARGV >= 1 |
904 |
|
|
or die "service specification missing\n"; |
905 |
root |
1.8 |
my $service = shift @ARGV; |
906 |
|
|
for (0 .. $#{ $profile->{services} }) { |
907 |
|
|
next unless $profile->{services}[$_] eq $service; |
908 |
|
|
splice @{ $profile->{services} }, $_, 1; |
909 |
|
|
last; |
910 |
|
|
} |
911 |
root |
1.6 |
++$cfg->{dirty}; |
912 |
|
|
}, |
913 |
root |
1.10 |
|
914 |
|
|
profile => sub { |
915 |
root |
1.19 |
@ARGV >= 1 |
916 |
|
|
or die "profile name is missing\n"; |
917 |
root |
1.10 |
my $name = shift @ARGV; |
918 |
|
|
|
919 |
|
|
$profile = $cfg->{profile}{$name} ||= {}; |
920 |
root |
1.14 |
++$cfg->{dirty}; |
921 |
root |
1.10 |
}, |
922 |
|
|
delprofile => sub { |
923 |
|
|
@ARGV >= 1 |
924 |
|
|
or die "profile name is missing\n"; |
925 |
|
|
my $name = shift @ARGV; |
926 |
|
|
|
927 |
|
|
delete $cfg->{profile}{$name}; |
928 |
root |
1.14 |
++$cfg->{dirty}; |
929 |
root |
1.10 |
}, |
930 |
root |
1.26 |
setparent => sub { |
931 |
root |
1.24 |
@ARGV >= 1 |
932 |
|
|
or die "profile name is missing\n"; |
933 |
|
|
|
934 |
|
|
$profile->{parent} = shift @ARGV; |
935 |
|
|
++$cfg->{dirty}; |
936 |
|
|
}, |
937 |
|
|
delparent => sub { |
938 |
|
|
delete $profile->{parent}; |
939 |
|
|
++$cfg->{dirty}; |
940 |
|
|
}, |
941 |
root |
1.17 |
showprofile => sub { |
942 |
|
|
@ARGV >= 1 |
943 |
|
|
or die "profile name is missing\n"; |
944 |
|
|
my $name = shift @ARGV; |
945 |
|
|
|
946 |
|
|
print JSON::XS->new->pretty->encode ($cfg->{profile}{$name} || {}); |
947 |
|
|
}, |
948 |
|
|
showconfig => sub { |
949 |
|
|
my $name = @ARGV ? shift @ARGV : AnyEvent::MP::Kernel::_nodename; |
950 |
|
|
|
951 |
root |
1.25 |
my $profile = AnyEvent::MP::Config::find_profile $name, @ARGV; |
952 |
|
|
@ARGV = (); |
953 |
root |
1.24 |
|
954 |
|
|
# make it look nicer: |
955 |
|
|
delete $profile->{profile}; |
956 |
|
|
delete $profile->{parent}; |
957 |
|
|
|
958 |
|
|
print JSON::XS->new->pretty->encode ($profile); |
959 |
root |
1.17 |
}, |
960 |
root |
1.25 |
|
961 |
|
|
# undocumented |
962 |
|
|
_resolve => sub { |
963 |
|
|
print +(join ",", (AnyEvent::MP::Kernel::_resolve shift @ARGV)->recv), "\n"; |
964 |
|
|
}, |
965 |
root |
1.1 |
); |
966 |
|
|
|
967 |
root |
1.47 |
for my $attr (qw( |
968 |
|
|
monitor_timeout connect_interval framing_format auth_offer |
969 |
|
|
auth_accept autocork nodelay |
970 |
|
|
)) { |
971 |
|
|
$CMD{"set$attr"} = sub { |
972 |
|
|
@ARGV >= 1 |
973 |
|
|
or die "$attr value is missing\n"; |
974 |
|
|
|
975 |
|
|
$profile->{$attr} = shift @ARGV; |
976 |
|
|
++$cfg->{dirty}; |
977 |
|
|
}; |
978 |
|
|
$CMD{"del$attr"} = sub { |
979 |
|
|
delete $profile->{$attr}; |
980 |
|
|
++$cfg->{dirty}; |
981 |
|
|
}; |
982 |
|
|
} |
983 |
|
|
|
984 |
root |
1.27 |
for (keys %CMD) { |
985 |
|
|
$CMD{$1} = $CMD{$_} if /^set(.*)$/; |
986 |
|
|
} |
987 |
|
|
|
988 |
root |
1.1 |
sub docmd { |
989 |
|
|
my $cmd = shift @ARGV; |
990 |
|
|
|
991 |
|
|
$CMD{$cmd} |
992 |
root |
1.23 |
or die "$cmd: no such aemp command (try perldoc aemp, or man aemp)"; |
993 |
root |
1.1 |
|
994 |
|
|
$CMD{$cmd}(); |
995 |
|
|
} |
996 |
|
|
|
997 |
|
|
@ARGV |
998 |
root |
1.23 |
or die "Usage: aemp subcommand ... (try perldoc aemp, or man aemp)\n"; |
999 |
root |
1.1 |
|
1000 |
root |
1.19 |
docmd while @ARGV; |
1001 |
root |
1.1 |
|
1002 |
|
|
|