rabbitmq-tutorials/julia/receive_logs_direct.jl
2021-10-04 00:21:02 +05:30

56 lines
1.5 KiB
Julia

using AMQPClient
const VIRTUALHOST = "/"
const HOST = "127.0.0.1"
function receive()
# 1. Create a connection to the localhost or 127.0.0.1 of virtualhost '/'
connection(; virtualhost=VIRTUALHOST, host=HOST) do conn
# 2. Create a channel to send messages
channel(conn, AMQPClient.UNUSED_CHANNEL, true) do chan
# 3. Declare a exchange
exchange = "direct_logs"
exchange_declare(chan, exchange, EXCHANGE_TYPE_DIRECT)
result, queue_name, _, _ = queue_declare(chan, "", exclusive=true)
# 4. Receive queues to bind
if length(Base.ARGS) <= 0
println(Base.stdout, "Usage: [info] [warning] [error]\n")
Base.exit(1)
end
# 4.1 Bind queues
for severity in Base.ARGS[1:end]
queue_bind(chan, queue_name, exchange,
severity)
end
println(" [*] Waiting for messages. To exit press CTRL+C")
on_receive = (msg) -> begin
data = String(msg.data)
println("Received the message: $data")
basic_ack(chan, msg.delivery_tag)
end
success, consumer_tag = basic_consume(chan, queue_name, on_receive)
while true
sleep(1)
end
end
end
end
# Don't exit on Ctrl-C
Base.exit_on_sigint(false)
try
receive()
catch ex
if ex isa InterruptException
println("Interrupted")
else
println("Exception: $ex")
end
end