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a087c00a92
* src/web/ejabberd_web_admin.erl: Likewise SVN Revision: 767
235 lines
6.5 KiB
Erlang
235 lines
6.5 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_stats.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 11 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(mod_stats).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_mod).
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-export([start/2,
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stop/1,
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process_local_iq/3]).
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-include("jlib.hrl").
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
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gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_STATS,
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?MODULE, process_local_iq, IQDisc).
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stop(Host) ->
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gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_STATS).
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process_local_iq(From, To, #iq{id = ID, type = Type,
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xmlns = XMLNS, sub_el = SubEl} = IQ) ->
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Lang = xml:get_tag_attr_s("xml:lang", SubEl),
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case Type of
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set ->
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IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
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get ->
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{xmlelement, _, Attrs, Els} = SubEl,
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Node = string:tokens(xml:get_tag_attr_s("node", SubEl), "/"),
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Names = get_names(Els, []),
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case get_local_stats(To#jid.server, Node, Names) of
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{result, Res} ->
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IQ#iq{type = result,
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sub_el = [{xmlelement, "query",
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[{"xmlns", XMLNS}],
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Res}]};
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{error, Error} ->
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IQ#iq{type = error, sub_el = [SubEl, Error]}
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end
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end.
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get_names([], Res) ->
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Res;
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get_names([{xmlelement, "stat", Attrs, _} | Els], Res) ->
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Name = xml:get_attr_s("name", Attrs),
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case Name of
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"" ->
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get_names(Els, Res);
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_ ->
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get_names(Els, [Name | Res])
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end;
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get_names([_ | Els], Res) ->
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get_names(Els, Res).
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-define(STAT(Name), {xmlelement, "stat", [{"name", Name}], []}).
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get_local_stats(_Server, [], []) ->
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{result,
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[?STAT("users/online"),
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?STAT("users/total"),
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?STAT("users/all-hosts/online"),
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?STAT("users/all-hosts/total")
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]};
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get_local_stats(Server, [], Names) ->
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{result, lists:map(fun(Name) ->
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get_local_stat(Server, [], Name)
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end, Names)};
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get_local_stats(_Server, ["running nodes", _], []) ->
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{result,
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[?STAT("time/uptime"),
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?STAT("time/cputime"),
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?STAT("users/online"),
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?STAT("transactions/commited"),
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?STAT("transactions/aborted"),
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?STAT("transactions/restarted"),
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?STAT("transactions/logged")
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]};
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get_local_stats(_Server, ["running nodes", ENode], Names) ->
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case search_running_node(ENode) of
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false ->
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{error, ?ERR_ITEM_NOT_FOUND};
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Node ->
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{result,
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lists:map(fun(Name) -> get_node_stat(Node, Name) end, Names)}
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end;
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get_local_stats(_Server, _, _) ->
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{error, ?ERR_FEATURE_NOT_IMPLEMENTED}.
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-define(STATVAL(Val, Unit),
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{xmlelement, "stat",
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[{"name", Name},
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{"units", Unit},
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{"value", Val}
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], []}).
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-define(STATERR(Code, Desc),
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{xmlelement, "stat",
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[{"name", Name}],
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[{xmlelement, "error",
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[{"code", Code}],
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[{xmlcdata, Desc}]}]}).
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get_local_stat(Server, [], Name) when Name == "users/online" ->
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case catch ejabberd_sm:get_vh_session_list(Server) of
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{'EXIT', Reason} ->
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?STATERR("500", "Internal Server Error");
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Users ->
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?STATVAL(integer_to_list(length(Users)), "users")
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end;
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get_local_stat(Server, [], Name) when Name == "users/total" ->
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LServer = jlib:nameprep(Server),
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case catch ejabberd_auth:get_vh_registered_users_number(Server) of
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{'EXIT', Reason} ->
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?STATERR("500", "Internal Server Error");
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NUsers ->
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?STATVAL(integer_to_list(NUsers), "users")
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end;
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get_local_stat(_Server, [], Name) when Name == "users/all-hosts/online" ->
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case catch mnesia:table_info(session, size) of
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{'EXIT', Reason} ->
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?STATERR("500", "Internal Server Error");
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Users ->
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?STATVAL(integer_to_list(Users), "users")
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end;
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get_local_stat(_Server, [], Name) when Name == "users/all-hosts/total" ->
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case catch mnesia:table_info(passwd, size) of
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{'EXIT', Reason} ->
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?STATERR("500", "Internal Server Error");
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Users ->
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?STATVAL(integer_to_list(Users), "users")
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end;
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get_local_stat(_Server, _, Name) ->
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?STATERR("404", "Not Found").
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get_node_stat(Node, Name) when Name == "time/uptime" ->
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case catch rpc:call(Node, erlang, statistics, [wall_clock]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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CPUTime ->
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?STATVAL(
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io_lib:format("~.3f", [element(1, CPUTime)/1000]), "seconds")
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end;
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get_node_stat(Node, Name) when Name == "time/cputime" ->
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case catch rpc:call(Node, erlang, statistics, [runtime]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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RunTime ->
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?STATVAL(
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io_lib:format("~.3f", [element(1, RunTime)/1000]), "seconds")
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end;
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get_node_stat(Node, Name) when Name == "users/online" ->
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case catch rpc:call(Node, ejabberd_sm, dirty_get_my_sessions_list, []) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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Users ->
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?STATVAL(integer_to_list(length(Users)), "users")
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end;
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get_node_stat(Node, Name) when Name == "transactions/commited" ->
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case catch rpc:call(Node, mnesia, system_info, [transaction_commits]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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Transactions ->
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?STATVAL(integer_to_list(Transactions), "transactions")
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end;
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get_node_stat(Node, Name) when Name == "transactions/aborted" ->
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case catch rpc:call(Node, mnesia, system_info, [transaction_failures]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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Transactions ->
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?STATVAL(integer_to_list(Transactions), "transactions")
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end;
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get_node_stat(Node, Name) when Name == "transactions/restarted" ->
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case catch rpc:call(Node, mnesia, system_info, [transaction_restarts]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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Transactions ->
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?STATVAL(integer_to_list(Transactions), "transactions")
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end;
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get_node_stat(Node, Name) when Name == "transactions/logged" ->
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case catch rpc:call(Node, mnesia, system_info, [transaction_log_writes]) of
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{badrpc, Reason} ->
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?STATERR("500", "Internal Server Error");
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Transactions ->
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?STATVAL(integer_to_list(Transactions), "transactions")
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end;
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get_node_stat(_, Name) ->
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?STATERR("404", "Not Found").
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search_running_node(SNode) ->
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search_running_node(SNode, mnesia:system_info(running_db_nodes)).
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search_running_node(_, []) ->
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false;
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search_running_node(SNode, [Node | Nodes]) ->
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case atom_to_list(Node) of
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SNode ->
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Node;
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_ ->
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search_running_node(SNode, Nodes)
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end.
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