rabbitmq-tutorials/erlang/worker.erl
2018-01-16 13:18:45 +08:00

36 lines
1.2 KiB
Erlang
Executable File

#!/usr/bin/env escript
%%! -pz ./amqp_client ./rabbit_common ./amqp_client/ebin ./rabbit_common/ebin ./recon/ebin
-include_lib("amqp_client/include/amqp_client.hrl").
main(_) ->
{ok, Connection} =
amqp_connection:start(#amqp_params_network{host = "localhost"}),
{ok, Channel} = amqp_connection:open_channel(Connection),
amqp_channel:call(Channel, #'queue.declare'{queue = <<"task_queue">>,
durable = true}),
io:format(" [*] Waiting for messages. To exit press CTRL+C~n"),
amqp_channel:call(Channel, #'basic.qos'{prefetch_count = 1}),
amqp_channel:subscribe(Channel, #'basic.consume'{queue = <<"task_queue">>},
self()),
receive
#'basic.consume_ok'{} -> ok
end,
loop(Channel).
loop(Channel) ->
receive
{#'basic.deliver'{delivery_tag = Tag}, #amqp_msg{payload = Body}} ->
Dots = length([C || C <- binary_to_list(Body), C == $.]),
io:format(" [x] Received ~p~n", [Body]),
receive
after
Dots*1000 -> ok
end,
io:format(" [x] Done~n"),
amqp_channel:cast(Channel, #'basic.ack'{delivery_tag = Tag}),
loop(Channel)
end.