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Diffstat (limited to 'test/handlers/long_polling_h.erl')
-rw-r--r-- | test/handlers/long_polling_h.erl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/handlers/long_polling_h.erl b/test/handlers/long_polling_h.erl new file mode 100644 index 0000000..21f1d4d --- /dev/null +++ b/test/handlers/long_polling_h.erl @@ -0,0 +1,27 @@ +%% This module implements a loop handler for long-polling. +%% It starts by sending itself a message after 200ms, +%% then sends another after that for a total of 3 messages. +%% When it receives the last message, it sends a 102 reply back. + +-module(long_polling_h). +-behaviour(cowboy_loop_handler). + +-export([init/3]). +-export([info/3]). +-export([terminate/3]). + +init(_, Req, _) -> + erlang:send_after(200, self(), timeout), + {loop, Req, 2, 5000, hibernate}. + +info(timeout, Req, 0) -> + {ok, Req2} = cowboy_req:reply(102, Req), + {ok, Req2, 0}; +info(timeout, Req, Count) -> + erlang:send_after(200, self(), timeout), + {loop, Req, Count - 1, hibernate}. + +terminate({normal, shutdown}, _, 0) -> + ok; +terminate({error, overflow}, _, _) -> + ok. |