| 1 |
|
-module(mongoose_s2s_mnesia). |
| 2 |
|
-behaviour(mongoose_s2s_backend). |
| 3 |
|
|
| 4 |
|
-export([init/1, |
| 5 |
|
get_s2s_out_pids/1, |
| 6 |
|
try_register/2, |
| 7 |
|
remove_connection/2, |
| 8 |
|
node_cleanup/1]). |
| 9 |
|
|
| 10 |
|
-export([register_secret/2, |
| 11 |
|
get_shared_secret/1]). |
| 12 |
|
|
| 13 |
|
-record(s2s, { |
| 14 |
|
fromto :: ejabberd_s2s:fromto() | '_', |
| 15 |
|
pid :: pid() | '$1' |
| 16 |
|
}). |
| 17 |
|
|
| 18 |
|
-record(s2s_shared, { |
| 19 |
|
host_type :: mongooseim:host_type(), |
| 20 |
|
secret :: ejabberd_s2s:base16_secret() |
| 21 |
|
}). |
| 22 |
|
|
| 23 |
|
-include("mongoose_logger.hrl"). |
| 24 |
|
|
| 25 |
|
-spec init(map()) -> ok. |
| 26 |
|
init(_) -> |
| 27 |
93 |
init_pids(), |
| 28 |
93 |
init_secrets(), |
| 29 |
93 |
ok. |
| 30 |
|
|
| 31 |
|
%% Pid lists |
| 32 |
|
init_pids() -> |
| 33 |
93 |
Opts = [{ram_copies, [node()]}, {type, bag}, |
| 34 |
|
{attributes, record_info(fields, s2s)}], |
| 35 |
93 |
mongoose_mnesia:create_table(s2s, Opts). |
| 36 |
|
|
| 37 |
|
-spec get_s2s_out_pids(ejabberd_s2s:fromto()) -> ejabberd_s2s:s2s_pids(). |
| 38 |
|
get_s2s_out_pids(FromTo) -> |
| 39 |
67 |
s2s_to_pids(mnesia:dirty_read(s2s, FromTo)). |
| 40 |
|
|
| 41 |
|
-spec try_register(Pid :: pid(), |
| 42 |
|
FromTo :: ejabberd_s2s:fromto()) -> boolean(). |
| 43 |
|
try_register(Pid, FromTo) -> |
| 44 |
11 |
F = fun() -> |
| 45 |
11 |
Pids = get_s2s_out_pids(FromTo), |
| 46 |
11 |
case mongoose_s2s_lib:need_more_connections(FromTo, Pids) of |
| 47 |
|
true -> |
| 48 |
8 |
mnesia:write(#s2s{fromto = FromTo, pid = Pid}), |
| 49 |
8 |
true; |
| 50 |
|
false -> |
| 51 |
3 |
false |
| 52 |
|
end |
| 53 |
|
end, |
| 54 |
11 |
case mnesia:transaction(F) of |
| 55 |
|
{atomic, Bool} -> |
| 56 |
11 |
Bool; |
| 57 |
|
Other -> |
| 58 |
:-( |
?LOG_ERROR(#{what => s2s_try_register_failed, |
| 59 |
|
s2s_pid => Pid, from_to => FromTo, |
| 60 |
:-( |
reason => Other}), |
| 61 |
:-( |
false |
| 62 |
|
end. |
| 63 |
|
|
| 64 |
|
-spec remove_connection(FromTo :: ejabberd_s2s:fromto(), Pid :: pid()) -> ok. |
| 65 |
|
remove_connection(FromTo, Pid) -> |
| 66 |
11 |
Rec = #s2s{fromto = FromTo, pid = Pid}, |
| 67 |
11 |
F = fun() -> |
| 68 |
12 |
mnesia:delete_object(Rec) |
| 69 |
|
end, |
| 70 |
11 |
case mnesia:transaction(F) of |
| 71 |
|
{atomic, _} -> |
| 72 |
11 |
ok; |
| 73 |
|
Other -> |
| 74 |
:-( |
?LOG_ERROR(#{what => s2s_remove_connection, |
| 75 |
:-( |
from_to => FromTo, reason => Other}), |
| 76 |
:-( |
ok |
| 77 |
|
end. |
| 78 |
|
|
| 79 |
|
-spec node_cleanup(Node :: node()) -> ok. |
| 80 |
|
node_cleanup(Node) -> |
| 81 |
8 |
F = fun() -> |
| 82 |
8 |
Es = mnesia:select( |
| 83 |
|
s2s, |
| 84 |
|
[{#s2s{pid = '$1', _ = '_'}, |
| 85 |
|
[{'==', {node, '$1'}, Node}], |
| 86 |
|
['$_']}]), |
| 87 |
8 |
lists:foreach(fun(E) -> |
| 88 |
:-( |
mnesia:delete_object(E) |
| 89 |
|
end, Es) |
| 90 |
|
end, |
| 91 |
8 |
mnesia:async_dirty(F), |
| 92 |
8 |
ok. |
| 93 |
|
|
| 94 |
|
s2s_to_pids(List) -> |
| 95 |
67 |
[Pid || #s2s{pid = Pid} <- List]. |
| 96 |
|
|
| 97 |
|
%% Secrets |
| 98 |
|
init_secrets() -> |
| 99 |
93 |
Opts = [{ram_copies, [node()]}, {attributes, record_info(fields, s2s_shared)}], |
| 100 |
93 |
mongoose_mnesia:create_table(s2s_shared, Opts). |
| 101 |
|
|
| 102 |
|
-spec register_secret(HostType :: mongooseim:host_type(), |
| 103 |
|
Secret :: ejabberd_s2s:base16_secret()) -> ok. |
| 104 |
|
register_secret(HostType, Secret) -> |
| 105 |
341 |
Rec = #s2s_shared{host_type = HostType, secret = Secret}, |
| 106 |
341 |
{atomic, _} = mnesia:transaction(fun() -> mnesia:write(Rec) end), |
| 107 |
341 |
ok. |
| 108 |
|
|
| 109 |
|
-spec get_shared_secret(mongooseim:host_type()) -> |
| 110 |
|
{ok, ejabberd_s2s:base16_secret()} | {error, not_found}. |
| 111 |
|
get_shared_secret(HostType) -> |
| 112 |
508 |
case mnesia:dirty_read(s2s_shared, HostType) of |
| 113 |
|
[#s2s_shared{secret = Secret}] -> |
| 114 |
167 |
{ok, Secret}; |
| 115 |
|
[] -> |
| 116 |
341 |
{error, not_found} |
| 117 |
|
end. |