Chapril/xmpp.chapril.org-ejabberd
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xmpp.chapril.org-ejabberd/src/ejabberd_ctl.erl
Christophe Romain b2bd9759c8 Rewrite io:format calls to loglevel macros (EJAB-555) 
SVN Revision: 1239
2008-03-21 14:44:16 +00:00

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Erlang
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%%%----------------------------------------------------------------------
%%% File : ejabberd_ctl.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Ejabberd admin tool
%%% Created : 11 Jan 2004 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2008 Process-one
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License
%%% along with this program; if not, write to the Free Software
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_ctl).
-author('alexey@process-one.net').
-export([start/0,
init/0,
process/1,
register_commands/3,
register_commands/4,
unregister_commands/3,
unregister_commands/4]).
-include("ejabberd_ctl.hrl").
-include("ejabberd.hrl").
start() ->
case init:get_plain_arguments() of
[SNode | Args] ->
SNode1 = case string:tokens(SNode, "@") of
[_Node, _Server] ->
SNode;
_ ->
case net_kernel:longnames() of
true ->
SNode ++ "@" ++ inet_db:gethostname() ++
"." ++ inet_db:res_option(domain);
false ->
SNode ++ "@" ++ inet_db:gethostname();
_ ->
SNode
end
end,
Node = list_to_atom(SNode1),
Status = case rpc:call(Node, ?MODULE, process, [Args]) of
{badrpc, Reason} ->
?PRINT("RPC failed on the node ~p: ~p~n",
[Node, Reason]),
?STATUS_BADRPC;
S ->
S
end,
halt(Status);
_ ->
print_usage(),
halt(?STATUS_USAGE)
end.
init() ->
ets:new(ejabberd_ctl_cmds, [named_table, set, public]),
ets:new(ejabberd_ctl_host_cmds, [named_table, set, public]).
process(["status"]) ->
{InternalStatus, ProvidedStatus} = init:get_status(),
?PRINT("Node ~p is ~p. Status: ~p~n",
[node(), InternalStatus, ProvidedStatus]),
case lists:keysearch(ejabberd, 1, application:which_applications()) of
false ->
?PRINT("ejabberd is not running~n", []),
?STATUS_ERROR;
{value,_Version} ->
?PRINT("ejabberd is running~n", []),
?STATUS_SUCCESS
end;
process(["stop"]) ->
init:stop(),
?STATUS_SUCCESS;
process(["restart"]) ->
init:restart(),
?STATUS_SUCCESS;
process(["reopen-log"]) ->
ejabberd_hooks:run(reopen_log_hook, []),
%% TODO: Use the Reopen log API for logger_h ?
ejabberd_logger_h:reopen_log(),
?STATUS_SUCCESS;
process(["register", User, Server, Password]) ->
case ejabberd_auth:try_register(User, Server, Password) of
{atomic, ok} ->
?STATUS_SUCCESS;
{atomic, exists} ->
?PRINT("User ~p already registered at node ~p~n",
[User ++ "@" ++ Server, node()]),
?STATUS_ERROR;
{error, Reason} ->
?PRINT("Can't register user ~p at node ~p: ~p~n",
[User ++ "@" ++ Server, node(), Reason]),
?STATUS_ERROR
end;
process(["unregister", User, Server]) ->
case ejabberd_auth:remove_user(User, Server) of
{error, Reason} ->
?PRINT("Can't unregister user ~p at node ~p: ~p~n",
[User ++ "@" ++ Server, node(), Reason]),
?STATUS_ERROR;
_ ->
?STATUS_SUCCESS
end;
process(["backup", Path]) ->
case mnesia:backup(Path) of
ok ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't store backup in ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["dump", Path]) ->
case dump_to_textfile(Path) of
ok ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't store dump in ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["load", Path]) ->
case mnesia:load_textfile(Path) of
{atomic, ok} ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't load dump in ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["restore", Path]) ->
case ejabberd_admin:restore(Path) of
{atomic, _} ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't restore backup from ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR;
{aborted,{no_exists,Table}} ->
?PRINT("Can't restore backup from ~p at node ~p: Table ~p does not exist.~n",
[filename:absname(Path), node(), Table]),
?STATUS_ERROR;
{aborted,enoent} ->
?PRINT("Can't restore backup from ~p at node ~p: File not found.~n",
[filename:absname(Path), node()]),
?STATUS_ERROR
end;
process(["install-fallback", Path]) ->
case mnesia:install_fallback(Path) of
ok ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't install fallback from ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["import-file", Path]) ->
case jd2ejd:import_file(Path) of
ok ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't import jabberd 1.4 spool file ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["import-dir", Path]) ->
case jd2ejd:import_dir(Path) of
ok ->
?STATUS_SUCCESS;
{error, Reason} ->
?PRINT("Can't import jabberd 1.4 spool dir ~p at node ~p: ~p~n",
[filename:absname(Path), node(), Reason]),
?STATUS_ERROR
end;
process(["delete-expired-messages"]) ->
mod_offline:remove_expired_messages(),
?STATUS_SUCCESS;
process(["mnesia"]) ->
?PRINT("~p~n", [mnesia:system_info(all)]),
?STATUS_SUCCESS;
process(["mnesia", "info"]) ->
mnesia:info(),
?STATUS_SUCCESS;
process(["mnesia", Arg]) when is_list(Arg) ->
case catch mnesia:system_info(list_to_atom(Arg)) of
{'EXIT', Error} -> ?PRINT("Error: ~p~n", [Error]);
Return -> ?PRINT("~p~n", [Return])
end,
?STATUS_SUCCESS;
process(["delete-old-messages", Days]) ->
case catch list_to_integer(Days) of
{'EXIT',{Reason, _Stack}} ->
?PRINT("Can't delete old messages (~p). Please pass an integer as parameter.~n",
[Reason]),
?STATUS_ERROR;
Integer when Integer >= 0 ->
{atomic, _} = mod_offline:remove_old_messages(Integer),
?PRINT("Removed messages older than ~s days~n", [Days]),
?STATUS_SUCCESS;
_Integer ->
?PRINT("Can't delete old messages. Please pass a positive integer as parameter.~n", []),
?STATUS_ERROR
end;
process(["vhost", H | Args]) ->
case jlib:nameprep(H) of
false ->
?PRINT("Bad hostname: ~p~n", [H]),
?STATUS_ERROR;
Host ->
case ejabberd_hooks:run_fold(
ejabberd_ctl_process, Host, false, [Host, Args]) of
false ->
print_vhost_usage(Host),
?STATUS_USAGE;
Status ->
Status
end
end;
process(Args) ->
case ejabberd_hooks:run_fold(ejabberd_ctl_process, false, [Args]) of
false ->
print_usage(),
?STATUS_USAGE;
Status ->
Status
end.
print_usage() ->
CmdDescs =
[{"status", "get ejabberd status"},
{"stop", "stop ejabberd"},
{"restart", "restart ejabberd"},
{"reopen-log", "reopen log file"},
{"register user server password", "register a user"},
{"unregister user server", "unregister a user"},
{"backup file", "store a database backup to file"},
{"restore file", "restore a database backup from file"},
{"install-fallback file", "install a database fallback from file"},
{"dump file", "dump a database to a text file"},
{"load file", "restore a database from a text file"},
{"import-file file", "import user data from jabberd 1.4 spool file"},
{"import-dir dir", "import user data from jabberd 1.4 spool directory"},
{"delete-expired-messages", "delete expired offline messages from database"},
{"delete-old-messages n", "delete offline messages older than n days from database"},
{"mnesia [info]", "show information of Mnesia system"},
{"vhost host ...", "execute host-specific commands"}] ++
ets:tab2list(ejabberd_ctl_cmds),
MaxCmdLen =
lists:max(lists:map(
fun({Cmd, _Desc}) ->
length(Cmd)
end, CmdDescs)),
NewLine = io_lib:format("~n", []),
FmtCmdDescs =
lists:map(
fun({Cmd, Desc}) ->
[" ", Cmd, string:chars($\s, MaxCmdLen - length(Cmd) + 2),
Desc, NewLine]
end, CmdDescs),
?PRINT(
"Usage: ejabberdctl [--node nodename] command [options]~n"
"~n"
"Available commands in this ejabberd node:~n"
++ FmtCmdDescs ++
"~n"
"Examples:~n"
" ejabberdctl restart~n"
" ejabberdctl --node ejabberd@host restart~n"
" ejabberdctl vhost jabber.example.org ...~n",
[]).
print_vhost_usage(Host) ->
CmdDescs =
ets:select(ejabberd_ctl_host_cmds,
[{{{Host, '$1'}, '$2'}, [], [{{'$1', '$2'}}]}]),
MaxCmdLen =
if
CmdDescs == [] ->
0;
true ->
lists:max(lists:map(
fun({Cmd, _Desc}) ->
length(Cmd)
end, CmdDescs))
end,
NewLine = io_lib:format("~n", []),
FmtCmdDescs =
lists:map(
fun({Cmd, Desc}) ->
[" ", Cmd, string:chars($\s, MaxCmdLen - length(Cmd) + 2),
Desc, NewLine]
end, CmdDescs),
?PRINT(
"Usage: ejabberdctl [--node nodename] vhost hostname command [options]~n"
"~n"
"Available commands in this ejabberd node and this vhost:~n"
++ FmtCmdDescs ++
"~n"
"Examples:~n"
" ejabberdctl vhost "++Host++" registered-users~n",
[]).
register_commands(CmdDescs, Module, Function) ->
ets:insert(ejabberd_ctl_cmds, CmdDescs),
ejabberd_hooks:add(ejabberd_ctl_process,
Module, Function, 50),
ok.
register_commands(Host, CmdDescs, Module, Function) ->
ets:insert(ejabberd_ctl_host_cmds,
[{{Host, Cmd}, Desc} || {Cmd, Desc} <- CmdDescs]),
ejabberd_hooks:add(ejabberd_ctl_process, Host,
Module, Function, 50),
ok.
unregister_commands(CmdDescs, Module, Function) ->
lists:foreach(fun(CmdDesc) ->
ets:delete_object(ejabberd_ctl_cmds, CmdDesc)
end, CmdDescs),
ejabberd_hooks:delete(ejabberd_ctl_process,
Module, Function, 50),
ok.
unregister_commands(Host, CmdDescs, Module, Function) ->
lists:foreach(fun({Cmd, Desc}) ->
ets:delete_object(ejabberd_ctl_host_cmds,
{{Host, Cmd}, Desc})
end, CmdDescs),
ejabberd_hooks:delete(ejabberd_ctl_process,
Module, Function, 50),
ok.
dump_to_textfile(File) ->
dump_to_textfile(mnesia:system_info(is_running), file:open(File, write)).
dump_to_textfile(yes, {ok, F}) ->
Tabs1 = lists:delete(schema, mnesia:system_info(local_tables)),
Tabs = lists:filter(
fun(T) ->
case mnesia:table_info(T, storage_type) of
disc_copies -> true;
disc_only_copies -> true;
_ -> false
end
end, Tabs1),
Defs = lists:map(
fun(T) -> {T, [{record_name, mnesia:table_info(T, record_name)},
{attributes, mnesia:table_info(T, attributes)}]}
end,
Tabs),
io:format(F, "~p.~n", [{tables, Defs}]),
lists:foreach(fun(T) -> dump_tab(F, T) end, Tabs),
file:close(F);
dump_to_textfile(_, {ok, F}) ->
file:close(F),
{error, mnesia_not_running};
dump_to_textfile(_, {error, Reason}) ->
{error, Reason}.
dump_tab(F, T) ->
W = mnesia:table_info(T, wild_pattern),
{atomic,All} = mnesia:transaction(
fun() -> mnesia:match_object(T, W, read) end),
lists:foreach(
fun(Term) -> io:format(F,"~p.~n", [setelement(1, Term, T)]) end, All).
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