| 1 |
|
-module(mongoose_wpool_rdbms). |
| 2 |
|
-behaviour(mongoose_wpool). |
| 3 |
|
|
| 4 |
|
-export([init/0]). |
| 5 |
|
-export([start/4]). |
| 6 |
|
-export([stop/2]). |
| 7 |
|
|
| 8 |
|
%% -------------------------------------------------------------- |
| 9 |
|
%% mongoose_wpool callbacks |
| 10 |
|
-spec init() -> ok. |
| 11 |
|
init() -> |
| 12 |
95 |
ejabberd_sup:create_ets_table( |
| 13 |
|
prepared_statements, [named_table, public, {read_concurrency, true}]). |
| 14 |
|
|
| 15 |
|
-spec start(mongooseim:host_type_or_global(), mongoose_wpool:tag(), |
| 16 |
|
mongoose_wpool:pool_opts(), mongoose_wpool:conn_opts()) -> {ok, pid()} | {error, any()}. |
| 17 |
|
start(HostType, Tag, WpoolOpts, RdbmsOpts) -> |
| 18 |
95 |
try do_start(HostType, Tag, WpoolOpts, RdbmsOpts) |
| 19 |
|
catch |
| 20 |
:-( |
Err -> {error, Err} |
| 21 |
|
end. |
| 22 |
|
|
| 23 |
|
-spec stop(mongooseim:host_type_or_global(), mongoose_wpool:tag()) -> ok. |
| 24 |
|
stop(_, _) -> |
| 25 |
93 |
ok. |
| 26 |
|
|
| 27 |
|
%% -------------------------------------------------------------- |
| 28 |
|
%% Helper functions |
| 29 |
|
do_start(HostType, Tag, WpoolOpts0, RdbmsOpts) when is_list(WpoolOpts0), is_map(RdbmsOpts) -> |
| 30 |
95 |
#{driver := BackendName} = RdbmsOpts, |
| 31 |
95 |
mongoose_backend:init(global, mongoose_rdbms, [query, execute], #{backend => BackendName}), |
| 32 |
95 |
mongoose_metrics:ensure_db_pool_metric({rdbms, HostType, Tag}), |
| 33 |
95 |
WpoolOpts = make_wpool_opts(WpoolOpts0, RdbmsOpts), |
| 34 |
95 |
ProcName = mongoose_wpool:make_pool_name(rdbms, HostType, Tag), |
| 35 |
95 |
mongoose_wpool:start_sup_pool(rdbms, ProcName, WpoolOpts). |
| 36 |
|
|
| 37 |
|
make_wpool_opts(WpoolOpts0, RdbmsOpts) -> |
| 38 |
95 |
Worker = {mongoose_rdbms, RdbmsOpts}, |
| 39 |
95 |
[{worker, Worker}, {pool_sup_shutdown, infinity} | WpoolOpts0]. |