diff options
| -rw-r--r-- | src/mysqlerl_connection.erl | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/mysqlerl_connection.erl b/src/mysqlerl_connection.erl index 4341aaa..a0b3062 100644 --- a/src/mysqlerl_connection.erl +++ b/src/mysqlerl_connection.erl @@ -18,10 +18,11 @@ start_link(Owner, Host, Port, Database, User, Password, Options) -> User, Password, Options], []). stop(Pid) -> - gen_server:cast(Pid, stop). + gen_server:call(Pid, stop). init([Owner, Host, Port, Database, User, Password, Options]) -> process_flag(trap_exit, true), + link(Owner), Cmd = lists:flatten(io_lib:format("~s ~s ~w ~s ~s ~s ~s", [helper(), Host, Port, Database, User, Password, Options])), @@ -40,13 +41,26 @@ terminate(Reason, State) -> code_change(_OldVsn, State, _Extra) -> {ok, State}. +handle_call(Request, From, #state{owner = Owner} = State) + when Owner /= element(1, From) -> + error_logger:warning_msg("Request from ~p (owner: ~p): ~p", + [element(1, From), Owner, Request]), + {reply, {error, process_not_owner_of_odbc_connection}, State}; +handle_call(stop, _From, State) -> + {stop, normal, State}; handle_call(Request, _From, State) -> {reply, make_request(State#state.ref, Request), State}. -handle_cast(stop, State) -> - {stop, normal, State}. +handle_cast(_Request, State) -> + {noreply, State}. -handle_info({'EXIT', _Ref, Reason}, State) -> +handle_info({'EXIT', Pid, _Reason}, State) + when Pid == State#state.owner -> + io:format("DEBUG: owner ~p shut down.~n", [Pid]), + {stop, normal, State}; +handle_info({'EXIT', Ref, Reason}, State) + when Ref == State#state.ref -> + io:format("DEBUG: Port ~p closed on ~p.~n", [Ref, State]), {stop, #port_closed{reason = Reason}, State}. helper() -> |