diff options
Diffstat (limited to 'src/fabric_util.erl')
-rw-r--r-- | src/fabric_util.erl | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/fabric_util.erl b/src/fabric_util.erl new file mode 100644 index 00000000..8eeaee33 --- /dev/null +++ b/src/fabric_util.erl @@ -0,0 +1,49 @@ +-module(fabric_util). + +-export([receive_loop/6]). + +-include("../../dynomite/include/membership.hrl"). + + +%% @doc set up the receive loop with an overall timeout +-spec receive_loop([ref_part_map()], integer(), function(), any(), + integer(), integer()) -> + {ok, beg_acc()}. +receive_loop(RefPartMap, Keypos, Fun, Acc0, GlobalTimeout, PerMsgTO) -> + TimeoutRef = erlang:make_ref(), + {ok, TRef} = timer:send_after(GlobalTimeout, {timeout, TimeoutRef}), + try + process_mailbox(RefPartMap, Keypos, Fun, Acc0, TimeoutRef, PerMsgTO) + after + timer:cancel(TRef) + end. + +process_mailbox(RefList, Keypos, Fun, Acc0, TimeoutRef, PerMsgTO) -> + case process_message(RefList, Keypos, Fun, Acc0, TimeoutRef, PerMsgTO) of + {ok, Acc} -> + process_mailbox(RefList, Keypos, Fun, Acc, TimeoutRef, PerMsgTO); + {stop, Acc} -> + {ok, Acc}; + Error -> + Error + end. + +process_message(RefList, Keypos, Fun, Acc0, TimeoutRef, PerMsgTO) -> + receive + {timeout, TimeoutRef} -> + timeout; + {Ref, Msg} -> + case lists:keyfind(Ref, Keypos, RefList) of + false -> + % this was some non-matching message which we will ignore + {ok, Acc0}; + RefPart -> + % call the Fun that understands the message + Fun(RefPart, Msg, Acc0) + end; + {rexi_DOWN, _RexiMonPid, ServerPid, Reason} = Msg -> + showroom_log:message(alert, "rexi_DOWN ~p ~p", [ServerPid, Reason]), + Fun(nil, Msg, Acc0) + after PerMsgTO -> + timeout + end. |