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-rw-r--r--lib/megaco/src/engine/megaco_config.erl427
1 files changed, 272 insertions, 155 deletions
diff --git a/lib/megaco/src/engine/megaco_config.erl b/lib/megaco/src/engine/megaco_config.erl
index 1c7a141be7..6805db790d 100644
--- a/lib/megaco/src/engine/megaco_config.erl
+++ b/lib/megaco/src/engine/megaco_config.erl
@@ -224,149 +224,278 @@ update_user_info(UserMid, orig_pending_limit, Val) ->
update_user_info(UserMid, Item, Val) ->
call({update_user_info, UserMid, Item, Val}).
-conn_info(CH, Item)
- when is_record(CH, megaco_conn_handle) andalso (Item /= cancel) ->
- case Item of
- conn_handle ->
- CH;
- mid ->
- CH#megaco_conn_handle.local_mid;
- local_mid ->
- CH#megaco_conn_handle.local_mid;
- remote_mid ->
- CH#megaco_conn_handle.remote_mid;
- conn_data ->
- case lookup_local_conn(CH) of
- [] ->
- exit({no_such_connection, CH});
- [ConnData] ->
- ConnData
- end;
- _ ->
- case lookup_local_conn(CH) of
- [] ->
- exit({no_such_connection, CH});
- [ConnData] ->
- conn_info(ConnData, Item)
- end
+
+conn_info(Data, Item) ->
+ %% The purpose of this is a compiler optimization...
+ %% Args are processed from left to right.
+ do_conn_info(Item, Data).
+
+do_conn_info(mid = _Item, #megaco_conn_handle{local_mid = Mid}) ->
+ Mid;
+do_conn_info(local_mid = _Item, #megaco_conn_handle{local_mid = LMid}) ->
+ LMid;
+do_conn_info(remote_mid = _Item, #megaco_conn_handle{remote_mid = RMid}) ->
+ RMid;
+do_conn_info(conn_handle = _Item, CH) when is_record(CH, megaco_conn_handle) ->
+ CH;
+do_conn_info(conn_data = _Item, CH) when is_record(CH, megaco_conn_handle) ->
+ case lookup_local_conn(CH) of
+ [] ->
+ exit({no_such_connection, CH});
+ [ConnData] ->
+ ConnData
+ end;
+do_conn_info(Item, CH) when is_record(CH, megaco_conn_handle) ->
+ case lookup_local_conn(CH) of
+ [] ->
+ exit({no_such_connection, CH});
+ [ConnData] ->
+ do_conn_info(Item, ConnData)
end;
-conn_info(#conn_data{conn_handle = CH}, cancel) ->
+
+do_conn_info(cancel = _Item, #conn_data{conn_handle = CH}) ->
+ %% To minimise raise-condition propabillity,
+ %% we always look in the table instead of
+ %% in the record for this one
+ ets:lookup_element(megaco_local_conn, CH, #conn_data.cancel);
+do_conn_info(cancel = _Item, CH) when is_record(CH, megaco_conn_handle) ->
%% To minimise raise-condition propabillity,
%% we always look in the table instead of
%% in the record for this one
ets:lookup_element(megaco_local_conn, CH, #conn_data.cancel);
-conn_info(CD, Item) when is_record(CD, conn_data) ->
- case Item of
- all ->
- Tags0 = record_info(fields, conn_data),
- Tags1 = replace(serial, trans_id, Tags0),
- Tags = [mid, local_mid, remote_mid] ++
- replace(max_serial, max_trans_id, Tags1),
- [{Tag, conn_info(CD,Tag)} || Tag <- Tags,
- Tag /= conn_data,
- Tag /= trans_sender,
- Tag /= cancel];
- conn_data -> CD;
- conn_handle -> CD#conn_data.conn_handle;
- mid -> (CD#conn_data.conn_handle)#megaco_conn_handle.local_mid;
- local_mid -> (CD#conn_data.conn_handle)#megaco_conn_handle.local_mid;
- remote_mid -> (CD#conn_data.conn_handle)#megaco_conn_handle.remote_mid;
- trans_id -> CH = CD#conn_data.conn_handle,
- LocalMid = CH#megaco_conn_handle.local_mid,
- Item2 = {LocalMid, trans_id_counter},
- case (catch ets:lookup(megaco_config, Item2)) of
- {'EXIT', _} ->
- undefined_serial;
- [] ->
- user_info(LocalMid, min_trans_id);
- [{_, Serial}] ->
- Max = CD#conn_data.max_serial,
- if
- ((Max =:= infinity) andalso
- is_integer(Serial) andalso
- (Serial < 4294967295)) ->
- Serial + 1;
- (Max =:= infinity) andalso
- is_integer(Serial) andalso
- (Serial =:= 4294967295) ->
- user_info(LocalMid,
- min_trans_id);
- Serial < Max ->
- Serial + 1;
- Serial =:= Max ->
- user_info(LocalMid,
- min_trans_id);
- Serial =:= 4294967295 ->
- user_info(LocalMid,
- min_trans_id);
- true ->
- undefined_serial
- end
- end;
- max_trans_id -> CD#conn_data.max_serial;
- request_timer -> CD#conn_data.request_timer;
- long_request_timer -> CD#conn_data.long_request_timer;
-
- auto_ack -> CD#conn_data.auto_ack;
-
- trans_ack -> CD#conn_data.trans_ack;
- trans_ack_maxcount -> CD#conn_data.trans_ack_maxcount;
-
- trans_req -> CD#conn_data.trans_req;
- trans_req_maxcount -> CD#conn_data.trans_req_maxcount;
- trans_req_maxsize -> CD#conn_data.trans_req_maxsize;
-
- trans_timer -> CD#conn_data.trans_timer;
-
- pending_timer -> CD#conn_data.pending_timer;
- orig_pending_limit -> CD#conn_data.sent_pending_limit;
- sent_pending_limit -> CD#conn_data.sent_pending_limit;
- recv_pending_limit -> CD#conn_data.recv_pending_limit;
- reply_timer -> CD#conn_data.reply_timer;
- control_pid -> CD#conn_data.control_pid;
- monitor_ref -> CD#conn_data.monitor_ref;
- send_mod -> CD#conn_data.send_mod;
- send_handle -> CD#conn_data.send_handle;
- encoding_mod -> CD#conn_data.encoding_mod;
- encoding_config -> CD#conn_data.encoding_config;
- protocol_version -> CD#conn_data.protocol_version;
- auth_data -> CD#conn_data.auth_data;
- user_mod -> CD#conn_data.user_mod;
- user_args -> CD#conn_data.user_args;
- reply_action -> CD#conn_data.reply_action;
- reply_data -> CD#conn_data.reply_data;
- threaded -> CD#conn_data.threaded;
- strict_version -> CD#conn_data.strict_version;
- long_request_resend -> CD#conn_data.long_request_resend;
- call_proxy_gc_timeout -> CD#conn_data.call_proxy_gc_timeout;
- cancel -> CD#conn_data.cancel;
- resend_indication -> CD#conn_data.resend_indication;
- segment_reply_ind -> CD#conn_data.segment_reply_ind;
- segment_recv_acc -> CD#conn_data.segment_recv_acc;
- segment_recv_timer -> CD#conn_data.segment_recv_timer;
- segment_send -> CD#conn_data.segment_send;
- segment_send_timer -> CD#conn_data.segment_send_timer;
- max_pdu_size -> CD#conn_data.max_pdu_size;
- request_keep_alive_timeout -> CD#conn_data.request_keep_alive_timeout;
- receive_handle ->
- LocalMid = (CD#conn_data.conn_handle)#megaco_conn_handle.local_mid,
- #megaco_receive_handle{local_mid = LocalMid,
- encoding_mod = CD#conn_data.encoding_mod,
- encoding_config = CD#conn_data.encoding_config,
- send_mod = CD#conn_data.send_mod};
- _ ->
- exit({no_such_item, Item})
+do_conn_info(all = _Item,
+ #conn_data{conn_handle = CH,
+ serial = TransId,
+ max_serial = MaxTransId,
+ request_timer = ReqTmr,
+ long_request_timer = LongReqTmr,
+ auto_ack = AutoAck,
+ trans_ack = TransAck,
+ trans_ack_maxcount = TransAckMaxCount,
+ trans_req = TransReq,
+ trans_req_maxcount = TransReqMaxCount,
+ trans_req_maxsize = TransReqMaxSz,
+ trans_timer = TransTmr,
+ %% trans_sender,
+ pending_timer = PendingTmr,
+ sent_pending_limit = SentPendingLimit,
+ recv_pending_limit = RecvPendingLimit,
+ reply_timer = ReplyTmr,
+ control_pid = CtrlPid,
+ monitor_ref = MonRef,
+ send_mod = SendMod,
+ send_handle = SendHandle,
+ encoding_mod = EncodingMod,
+ encoding_config = EncodingConf,
+ protocol_version = ProtoVersion,
+ auth_data = AuthData,
+ user_mod = UserMod,
+ user_args = UserArgs,
+ reply_action = ReplyAction,
+ reply_data = ReplyData,
+ threaded = Threaded,
+ strict_version = StrictVersion,
+ long_request_resend = LongReqResend,
+ call_proxy_gc_timeout = CallProxyGCTimeout,
+ %% cancel,
+ resend_indication = ResendInd,
+ segment_reply_ind = SegReplyInd,
+ segment_recv_acc = SegRecvAcc,
+ segment_recv_timer = SegRecvTmr,
+ segment_send = SegSend,
+ segment_send_timer = SegSendTmr,
+ max_pdu_size = MaxPduSz,
+ request_keep_alive_timeout = RequestKeepAliveTmr}) ->
+ [{conn_handle, CH},
+ {trans_id, TransId},
+ {max_trans_id, MaxTransId},
+ {request_timer, ReqTmr},
+ {long_request_timer, LongReqTmr},
+ {mid, CH#megaco_conn_handle.local_mid},
+ {local_mid, CH#megaco_conn_handle.local_mid},
+ {remote_mid, CH#megaco_conn_handle.remote_mid},
+ {auto_ack, AutoAck},
+ {trans_ack, TransAck},
+ {trans_ack_maxcount, TransAckMaxCount},
+ {trans_req, TransReq},
+ {trans_req_maxcount, TransReqMaxCount},
+ {trans_req_maxsize, TransReqMaxSz},
+ {trans_timer, TransTmr},
+ {pending_timer, PendingTmr},
+ {sent_pending_limit, SentPendingLimit},
+ {recv_pending_limit, RecvPendingLimit},
+ {reply_timer, ReplyTmr},
+ {control_pid, CtrlPid},
+ {monitor_ref, MonRef},
+ {send_mod, SendMod},
+ {send_handle, SendHandle},
+ {encoding_mod, EncodingMod},
+ {encoding_config, EncodingConf},
+ {protocol_version, ProtoVersion},
+ {auth_data, AuthData},
+ {user_mod, UserMod},
+ {user_args, UserArgs},
+ {reply_action, ReplyAction},
+ {reply_data, ReplyData},
+ {threaded, Threaded},
+ {strict_version, StrictVersion},
+ {long_request_resend, LongReqResend},
+ {call_proxy_gc_timeout, CallProxyGCTimeout},
+ {resend_indication, ResendInd},
+ {segment_reply_ind, SegReplyInd},
+ {segment_recv_acc, SegRecvAcc},
+ {segment_recv_timer, SegRecvTmr},
+ {segment_send, SegSend},
+ {segment_send_timer, SegSendTmr},
+ {max_pdu_size, MaxPduSz},
+ {request_keep_alive_timeout, RequestKeepAliveTmr}];
+
+do_conn_info(conn_data = _Item, CD) ->
+ CD;
+do_conn_info(conn_handle = _Item, #conn_data{conn_handle = Val}) ->
+ Val;
+do_conn_info(mid = _Item,
+ #conn_data{conn_handle = #megaco_conn_handle{local_mid = Val}}) ->
+ Val;
+do_conn_info(local_mid = _Item,
+ #conn_data{conn_handle = #megaco_conn_handle{local_mid = Val}}) ->
+ Val;
+do_conn_info(remote_mid = _Item,
+ #conn_data{conn_handle = #megaco_conn_handle{remote_mid = Val}}) ->
+ Val;
+do_conn_info(trans_id = _Item,
+ #conn_data{conn_handle = #megaco_conn_handle{local_mid = LMid},
+ max_serial = Max}) ->
+ Item2 = {LMid, trans_id_counter},
+ case (catch ets:lookup(megaco_config, Item2)) of
+ {'EXIT', _} ->
+ undefined_serial;
+ [] ->
+ user_info(LMid, min_trans_id);
+ [{_, Serial}] ->
+ if
+ ((Max =:= infinity) andalso
+ is_integer(Serial) andalso
+ (Serial < 4294967295)) ->
+ Serial + 1;
+ ((Max =:= infinity) andalso
+ is_integer(Serial) andalso
+ (Serial =:= 4294967295)) ->
+ user_info(LMid, min_trans_id);
+ Serial < Max ->
+ Serial + 1;
+ Serial =:= Max ->
+ user_info(LMid, min_trans_id);
+ Serial =:= 4294967295 ->
+ user_info(LMid, min_trans_id);
+ true ->
+ undefined_serial
+ end
end;
-conn_info(BadHandle, _Item) ->
- {error, {no_such_connection, BadHandle}}.
-
-replace(_, _, []) ->
- [];
-replace(Item, WithItem, [Item|List]) ->
- [WithItem|List];
-replace(Item, WithItem, [OtherItem|List]) ->
- [OtherItem | replace(Item, WithItem, List)].
+do_conn_info(max_trans_id = _Item, #conn_data{max_serial = Val}) ->
+ Val;
+do_conn_info(request_timer = _Item, #conn_data{request_timer = Val}) ->
+ Val;
+do_conn_info(long_request_timer = _Item, #conn_data{long_request_timer = Val}) ->
+ Val;
+do_conn_info(auto_ack = _Item, #conn_data{auto_ack = Val}) ->
+ Val;
+do_conn_info(trans_ack = _Item, #conn_data{trans_ack = Val}) ->
+ Val;
+do_conn_info(trans_ack_maxcount = _Item, #conn_data{trans_ack_maxcount = Val}) ->
+ Val;
+do_conn_info(trans_req = _Item, #conn_data{trans_req = Val}) ->
+ Val;
+do_conn_info(trans_req_maxcount = _Item, #conn_data{trans_req_maxcount = Val}) ->
+ Val;
+do_conn_info(trans_req_maxsize = _Item, #conn_data{trans_req_maxsize = Val}) ->
+ Val;
+do_conn_info(trans_timer = _Item, #conn_data{trans_timer = Val}) ->
+ Val;
+do_conn_info(pending_timer = _Item, #conn_data{pending_timer = Val}) ->
+ Val;
+do_conn_info(orig_pending_limit = _Item, #conn_data{sent_pending_limit = Val}) ->
+ Val;
+do_conn_info(sent_pending_limit = _Item, #conn_data{sent_pending_limit = Val}) ->
+ Val;
+do_conn_info(recv_pending_limit = _Item, #conn_data{recv_pending_limit = Val}) ->
+ Val;
+do_conn_info(reply_timer = _Item, #conn_data{reply_timer = Val}) ->
+ Val;
+do_conn_info(control_pid = _Item, #conn_data{control_pid = Val}) ->
+ Val;
+do_conn_info(send_mod = _Item, #conn_data{send_mod = Val}) ->
+ Val;
+do_conn_info(send_handle = _Item, #conn_data{send_handle = Val}) ->
+ Val;
+do_conn_info(encoding_mod = _Item, #conn_data{encoding_mod = Val}) ->
+ Val;
+do_conn_info(encoding_config = _Item, #conn_data{encoding_config = Val}) ->
+ Val;
+do_conn_info(protocol_version = _Item, #conn_data{protocol_version = Val}) ->
+ Val;
+do_conn_info(auth_data = _Item, #conn_data{auth_data = Val}) ->
+ Val;
+do_conn_info(user_mod = _Item, #conn_data{user_mod = Val}) ->
+ Val;
+do_conn_info(user_args = _Item, #conn_data{user_args = Val}) ->
+ Val;
+do_conn_info(reply_action = _Item, #conn_data{reply_action = Val}) ->
+ Val;
+do_conn_info(reply_data = _Item, #conn_data{reply_data = Val}) ->
+ Val;
+do_conn_info(threaded = _Item, #conn_data{threaded = Val}) ->
+ Val;
+do_conn_info(strict_version = _Item, #conn_data{strict_version = Val}) ->
+ Val;
+do_conn_info(long_request_resend = _Item,
+ #conn_data{long_request_resend = Val}) ->
+ Val;
+do_conn_info(call_proxy_gc_timeout = _Item,
+ #conn_data{call_proxy_gc_timeout = Val}) ->
+ Val;
+do_conn_info(resend_indication = _Item, #conn_data{resend_indication = Val}) ->
+ Val;
+do_conn_info(segment_reply_ind = _Item, #conn_data{segment_reply_ind = Val}) ->
+ Val;
+do_conn_info(segment_recv_acc = _Item, #conn_data{segment_recv_acc = Val}) ->
+ Val;
+do_conn_info(segment_recv_timer = _Item,
+ #conn_data{segment_recv_timer = Val}) ->
+ Val;
+do_conn_info(segment_send = _Item, #conn_data{segment_send = Val}) ->
+ Val;
+do_conn_info(segment_send_timer = _Item,
+ #conn_data{segment_send_timer = Val}) ->
+ Val;
+do_conn_info(max_pdu_size = _Item, #conn_data{max_pdu_size = Val}) ->
+ Val;
+do_conn_info(request_keep_alive_timeout = _Item,
+ #conn_data{request_keep_alive_timeout = Val}) ->
+ Val;
+do_conn_info(receive_handle = _Item,
+ #conn_data{conn_handle = #megaco_conn_handle{local_mid = LMid},
+ encoding_mod = EM,
+ encoding_config = EC,
+ send_mod = SM}) ->
+ #megaco_receive_handle{local_mid = LMid,
+ encoding_mod = EM,
+ encoding_config = EC,
+ send_mod = SM};
+do_conn_info(Item, Data)
+ when is_record(Data, conn_data) orelse is_record(Data, megaco_conn_handle) ->
+ exit({no_such_item, Item});
+do_conn_info(_Item, BadData) ->
+ {error, {no_such_connection, BadData}}.
+
+
+%% replace(_, _, []) ->
+%% [];
+%% replace(Item, WithItem, [Item|List]) ->
+%% [WithItem|List];
+%% replace(Item, WithItem, [OtherItem|List]) ->
+%% [OtherItem | replace(Item, WithItem, List)].
update_conn_info(#conn_data{conn_handle = CH}, Item, Val) ->
@@ -499,31 +628,19 @@ incr_counter(Item, Incr) ->
end
catch
error:_ ->
+ %% Counter does not exist, so try creat it
try
begin
cre_counter(Item, Incr)
end
catch
exit:_ ->
- %% Ok, some other process got there before us,
- %% so try again
+ %% This is a raise condition.
+ %% When we tried to update the counter above, it
+ %% did not exist, but now it does...
ets:update_counter(megaco_config, Item, Incr)
end
end.
-%% incr_counter(Item, Incr) ->
-%% case (catch ets:update_counter(megaco_config, Item, Incr)) of
-%% {'EXIT', _} ->
-%% case (catch cre_counter(Item, Incr)) of
-%% {'EXIT', _} ->
-%% %% Ok, some other process got there before us,
-%% %% so try again
-%% ets:update_counter(megaco_config, Item, Incr);
-%% NewVal ->
-%% NewVal
-%% end;
-%% NewVal ->
-%% NewVal
-%% end.
cre_counter(Item, Initial) ->
case whereis(?SERVER) =:= self() of
@@ -531,8 +648,8 @@ cre_counter(Item, Initial) ->
case call({cre_counter, Item, Initial}) of
{ok, Value} ->
Value;
- Error ->
- exit(Error)
+ {error, Reason} ->
+ exit({failed_creating_counter, Item, Initial, Reason})
end;
true ->
%% Check that the counter does not already exists
@@ -542,7 +659,7 @@ cre_counter(Item, Initial) ->
ets:insert(megaco_config, {Item, Initial}),
{ok, Initial};
[_] ->
- %% Ouch, now what?
+ %% Possibly a raise condition
{error, already_exists}
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 08:07:40 +0000