Created
November 9, 2010 21:43
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*.erl
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t.erl | |
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-module(t). | |
-export([go/0, l/0, run/1]). | |
%% @doc load | |
l()-> | |
net_adm:ping('a@ak-desktop'), | |
net_adm:ping('b@ak-desktop'), | |
net_adm:ping('c@ak-desktop'). | |
go()-> | |
[{N,timer:tc(fun run/2, [N,10000 div N])} || N<-[1,5,20]]. | |
run(N,R)-> | |
[rpc:parallel_eval([{t, run, [R]}]) || _<-lists:seq(1,N)]. | |
run(R)-> | |
[X=server:foz(X) || X<-lists:seq(1,R)], | |
ok. | |
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server.erl | |
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-module(server). | |
-export([start_link/0, foz/1]). | |
-behaviour(gen_server). | |
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, | |
terminate/2, code_change/3]). | |
-vsn(0). | |
-record(ate, | |
{ field = undefined :: any() % | |
}). | |
-define(NAME,{global,?MODULE}). | |
%% @doc See: {@link start/1} | |
start_link() -> gen_server:start_link(?NAME, ?MODULE, {}, []). | |
foz(X)->gen_server:call(?NAME, {foz,X}). | |
%% @hidden gen_server | |
init(_Args) -> | |
St = #ate{ | |
field = undefined | |
}, | |
{ok, St}. | |
%% @hidden gen_server | |
handle_call({foz,X}, From, St) -> | |
worker_sup:spawn(From, X), | |
%worker:start_link(From, X), | |
{noreply, St}. | |
%% @hidden gen_server | |
handle_cast(_Request, St) -> | |
{stop, unimplemented, St}. | |
%% @hidden gen_server | |
handle_info(_Info, St) -> | |
{stop, unimplemented, St}. | |
%% @hidden gen_server | |
terminate(_Reason, _St) -> | |
ok. | |
%% @hidden gen_server | |
code_change(_OldVsn, St, _Extra) -> | |
{ok, St}. | |
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sup.erl | |
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-module(sup). | |
-behaviour(supervisor). | |
-export([start_link/0, init/1]). | |
-vsn(0). | |
start_link() -> | |
supervisor:start_link(?MODULE, {}). | |
%% @hidden supervisor | |
init(_Args) -> | |
Restart = {rest_for_one, 2, 5}, | |
C0 = { server | |
, {server,start_link,[]} | |
, permanent | |
, 200 % ms | |
, worker | |
, [server] | |
}, | |
C1 = { worker_sup | |
, {worker_sup,start_link,[]} | |
, permanent | |
, 200 % ms | |
, worker | |
, [worker_sup] | |
}, | |
{ok,{Restart,[C0,C1]}}. | |
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worker.erl | |
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-module(worker). | |
-export([start_link/2]). | |
start_link(ReturnTo, X) -> | |
{ok,spawn(fun()->foz(ReturnTo,X) end)}. | |
foz(ReturnTo, X) -> | |
gen_server:reply(ReturnTo, X). | |
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worker_sup.erl | |
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-module(worker_sup). | |
-behaviour(supervisor). | |
-export([start_link/0, init/1, spawn/2]). | |
-vsn(0). | |
%% @doc Short description. | |
start_link() -> | |
supervisor:start_link({local,?MODULE}, ?MODULE, {}). | |
%% @hidden supervisor | |
init(_Args) -> | |
Restart = {simple_one_for_one, 2, 5}, | |
C0 = { worker | |
, {worker,start_link,[]} | |
, temporary | |
, 200 % ms | |
, worker | |
, [worker] | |
}, | |
{ok,{Restart,[C0]}}. | |
spawn(ReturnTo,X)-> | |
supervisor:start_child(?MODULE, [ReturnTo,X]). |
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