%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2000-2010. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Encode Megaco/H.248 text messages from internal form
%%----------------------------------------------------------------------
-define(META_ENC(Type, Item), Item) .
%% -define(META_ENC(Type, Item), megaco_meta_package:encode(text, Type, Item)).
%% -define(META_DEC(Type, Item), megaco_meta_package:decode(text, Type, Item)).
enc_MegacoMessage(Val) ->
State = ?INIT_INDENT,
enc_MegacoMessage(Val, State).
enc_MegacoMessage(#'MegacoMessage'{authHeader = asn1_NOVALUE,
mess = Mess}, State) ->
[
?LWSP,
enc_Message(Mess, State)
];
enc_MegacoMessage(#'MegacoMessage'{authHeader = Auth,
mess = Mess}, State) ->
[
?LWSP,
enc_AuthenticationHeader(Auth, State),
enc_Message(Mess, State)
].
%% Note that encoding the transaction this way
%% make the message look a bit strange.
enc_Transaction(Val) ->
State = ?INIT_INDENT,
enc_Transaction(Val, State).
%% Note that encoding the action request's this way
%% make the message look a bit strange.
enc_ActionRequests(Val) ->
State = ?INIT_INDENT,
enc_TransactionRequest_actions(Val, State).
%% Note that encoding the action request this way
%% make the message look a bit strange.
enc_ActionRequest(Val) ->
State = ?INIT_INDENT,
enc_ActionRequest(Val, State).
enc_CommandRequest(Val) ->
State = ?INIT_INDENT,
enc_CommandRequest(Val, State).
enc_ActionReply(Val) ->
State = ?INIT_INDENT,
enc_ActionReply(Val, State).
enc_AuthenticationHeader(asn1_NOVALUE, _State) ->
[];
enc_AuthenticationHeader(Val, State)
when is_record(Val, 'AuthenticationHeader') ->
[
?AuthToken,
?EQUAL,
enc_SecurityParmIndex(Val#'AuthenticationHeader'.secParmIndex, State),
?COLON,
enc_SequenceNum(Val#'AuthenticationHeader'.seqNum, State),
?COLON,
enc_AuthData(Val#'AuthenticationHeader'.ad, State),
?SEP_INDENT(State)
].
enc_SecurityParmIndex({'SecurityParmIndex',Val}, State) ->
enc_SecurityParmIndex(Val, State);
enc_SecurityParmIndex(Val, State) ->
[
"0x",
enc_HEXDIG(Val, State, 8, 8)
].
enc_SequenceNum({'SequenceNum',Val}, State) ->
enc_SequenceNum(Val, State);
enc_SequenceNum(Val, State) ->
[
"0x",
enc_HEXDIG(Val, State, 8, 8)
].
enc_AuthData({'AuthData',Val}, State) ->
enc_AuthData(Val, State);
enc_AuthData(Val, State) ->
[
"0x",
enc_HEXDIG(Val, State, 24, 64) %% OTP-4710
].
enc_Message(Val, State)
when is_record(Val, 'Message') ->
[
?MegacopToken,
?SLASH,
enc_version(Val#'Message'.version, State),
?SEP,
enc_MId(Val#'Message'.mId, State),
?SEP_INDENT(State),
enc_Message_messageBody(Val#'Message'.messageBody, State)
].
enc_version(Val, State) when is_integer(Val) andalso (Val >= 0) ->
enc_DIGIT(Val, State, 0, 99).
enc_Message_messageBody({'Message_messageBody',Val}, State) ->
enc_Message_messageBody(Val, State);
enc_Message_messageBody({Tag, Val}, State) ->
case Tag of
messageError ->
enc_ErrorDescriptor(Val, State);
transactions ->
enc_Message_messageBody_transactions(Val, State);
_ ->
error({invalid_messageBody_tag, Tag})
end.
enc_Message_messageBody_transactions({'Message_messageBody_transactions',Val},
State) ->
enc_Message_messageBody_transactions(Val, State);
enc_Message_messageBody_transactions(Val, State)
when is_list(Val) andalso (Val =/= []) ->
[enc_Transaction(T, State) || T <- Val].
enc_MId({'MId',Val}, State) ->
enc_MId(Val, State);
enc_MId({Tag, Val}, State) ->
case Tag of
ip4Address ->
enc_IP4Address(Val, State);
ip6Address ->
enc_IP6Address(Val, State);
domainName ->
enc_DomainName(Val, State);
deviceName ->
enc_PathName(Val, State);
mtpAddress ->
enc_mtpAddress(Val, State);
_ ->
error({invalid_MId_tag, Tag})
end.
enc_mtpAddress(Val, State) ->
[
?MtpToken,
?LBRKT,
enc_OCTET_STRING(Val, State, 2, 4),
?RBRKT
].
enc_DomainName(#'DomainName'{portNumber = asn1_NOVALUE,
name = Name}, State) ->
[
$<,
%% BUGBUG: (ALPHA / DIGIT) *63(ALPHA / DIGIT / "-" / ".")
enc_STRING(Name, State, 1, 64),
$>
];
enc_DomainName(#'DomainName'{portNumber = PortNumber,
name = Name}, State) ->
[
$<,
%% BUGBUG: (ALPHA / DIGIT) *63(ALPHA / DIGIT / "-" / ".")
enc_STRING(Name, State, 1, 64),
$>,
$:,
enc_portNumber(PortNumber, State)
].
enc_IP4Address(#'IP4Address'{portNumber = asn1_NOVALUE,
address = [A1, A2, A3, A4]}, State) ->
[
$[,
enc_V4hex(A1, State),
?DOT,
enc_V4hex(A2, State),
?DOT,
enc_V4hex(A3, State),
?DOT,
enc_V4hex(A4, State),
$]
];
enc_IP4Address(#'IP4Address'{portNumber = PortNumber,
address = [A1, A2, A3, A4]}, State) ->
[
$[,
enc_V4hex(A1, State),
?DOT,
enc_V4hex(A2, State),
?DOT,
enc_V4hex(A3, State),
?DOT,
enc_V4hex(A4, State),
$],
$:,
enc_portNumber(PortNumber, State)
].
enc_V4hex(Val, State) ->
enc_DIGIT(Val, State, 0, 255).
enc_IP6Address(#'IP6Address'{portNumber = asn1_NOVALUE,
address = Addr}, State)
when is_list(Addr) andalso (length(Addr) =:= 16) ->
[
$[,
enc_IP6Address_address(Addr, State),
$]
];
enc_IP6Address(#'IP6Address'{portNumber = PortNumber,
address = Addr}, State)
when is_list(Addr) andalso (length(Addr) =:= 16) ->
[
$[,
enc_IP6Address_address(Addr, State),
$],
$:,
enc_portNumber(PortNumber, State)
].
enc_IP6Address_address([0, 0|Addr], State) ->
enc_IP6Address_address2(Addr, 1, false, true, State);
enc_IP6Address_address(Addr, State) ->
enc_IP6Address_address2(Addr, 0, false, false, State).
enc_IP6Address_address2([0,0], 0, _Padding, _First, _State) ->
[$0];
enc_IP6Address_address2([0,0], PadN, false, true, _State) when PadN > 0 ->
[$:, $:]; % Padding from the beginning (all zero's)
enc_IP6Address_address2([0,0], PadN, false, false, _State) when PadN > 0 ->
[$:]; % Padding in the middle or end
enc_IP6Address_address2([0,0], _, true, _First, _State) ->
[$0];
enc_IP6Address_address2([N1,N2], 0, _Padding, _First, State) ->
[enc_hex4([N1, N2], State)];
enc_IP6Address_address2([N1,N2], 1, _Padding, _First, State) ->
[$0, $:, enc_hex4([N1, N2], State)];
enc_IP6Address_address2([N1,N2], PadN, false, true, State) when PadN > 1 ->
[$:, $:, enc_hex4([N1, N2], State)];
enc_IP6Address_address2([N1,N2], PadN, false, false, State) when PadN > 1 ->
[$:, enc_hex4([N1, N2], State)];
enc_IP6Address_address2([N1,N2], _PadN, true, _First, State) ->
[enc_hex4([N1, N2], State)];
enc_IP6Address_address2([0, 0|Ns], PadN, false, First, State) ->
enc_IP6Address_address2(Ns, PadN+1, false, First, State);
enc_IP6Address_address2([0, 0|Ns], _PadN, true, _First, State) ->
[
$0,
$:,
enc_IP6Address_address2(Ns, 0, true, false, State)
];
enc_IP6Address_address2([N1, N2|Ns], 0, Padded, _First, State) ->
[
enc_hex4([N1, N2], State),
$:,
enc_IP6Address_address2(Ns, 0, Padded, false, State)
];
enc_IP6Address_address2([N1, N2|Ns], 1, Padded, _First, State) ->
[
$0,
$:,
enc_hex4([N1, N2], State),
$:,
enc_IP6Address_address2(Ns, 0, Padded, false, State)
];
enc_IP6Address_address2([N1, N2|Ns], PadN, false, true, State) when PadN > 1 ->
%% Padding from the beginning
[
$:,
$:,
enc_hex4([N1, N2], State),
$:,
enc_IP6Address_address2(Ns, 0, true, false, State)
];
enc_IP6Address_address2([N1, N2|Ns], PadN, false, false, State)
when PadN > 1 ->
[
$:, %% The other ':' has already added
enc_hex4([N1, N2], State),
$:,
enc_IP6Address_address2(Ns, 0, true, false, State)
];
enc_IP6Address_address2([N1, N2|Ns], _PadN, true, _First, State) ->
[
enc_hex4([N1, N2], State),
$:,
enc_IP6Address_address2(Ns, 0, true, false, State)
].
enc_hex4([0,0], _State) ->
$0;
enc_hex4([0,N], _State) ->
hex(N);
enc_hex4([N1, N2], _State) when N2 =< 15 ->
[hex(N1), $0, hex(N2)];
enc_hex4([N1, N2], _State) ->
[hex(N1), hex(N2)].
enc_PathName({'PathName',Val}, State) ->
enc_PathName(Val, State);
enc_PathName(Val, State) ->
%% BUGBUG: ["*"] NAME *("/" / "*"/ ALPHA / DIGIT /"_" / "$" )
%% BUGBUG: ["@" pathDomainName ]
enc_STRING(Val, State, 1, 64).
enc_Transaction(Bin, _State) when is_binary(Bin) ->
[Bin]; %% Already encoded...
enc_Transaction({'Transaction',Val}, State) ->
enc_Transaction(Val, State);
enc_Transaction({Tag, Val}, State) ->
case Tag of
transactionRequest ->
enc_TransactionRequest(Val, State);
transactionPending ->
enc_TransactionPending(Val, State);
transactionReply ->
enc_TransactionReply(Val, State);
transactionResponseAck ->
enc_TransactionResponseAck(Val, State);
_ ->
error({invalid_Transaction_tag, Tag})
end.
enc_TransactionResponseAck([Mand], State) ->
[
?ResponseAckToken,
?LBRKT_INDENT(State),
[enc_TransactionAck(Mand, State)],
?RBRKT_INDENT(State)
];
enc_TransactionResponseAck([Mand | Opt], State) ->
[
?ResponseAckToken,
?LBRKT_INDENT(State),
[enc_TransactionAck(Mand, State) |
[[?COMMA_INDENT(State),
?INC_INDENT(State),
enc_TransactionAck(Val, State)] || Val <- Opt]],
?RBRKT_INDENT(State)
].
enc_TransactionAck(Val, State)
when is_record(Val, 'TransactionAck') ->
[
enc_TransactionId(Val#'TransactionAck'.firstAck, ?INC_INDENT(State)),
case Val#'TransactionAck'.lastAck of
asn1_NOVALUE ->
[];
LastAck ->
["-",enc_TransactionId(LastAck, State)]
end
].
enc_TransactionId({'TransactionId',Val}, State) ->
enc_TransactionId(Val, State);
enc_TransactionId(Val, State) ->
enc_UINT32(Val, State).
enc_TransactionRequest(#'TransactionRequest'{transactionId = Tid,
actions = Acts}, State) ->
[
?TransToken,
?EQUAL,
enc_TransactionId(Tid, State),
?LBRKT_INDENT(State),
enc_TransactionRequest_actions(Acts, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_TransactionRequest(Bin, _State) when is_binary(Bin) ->
[Bin].
enc_TransactionRequest_actions(Bin, _State) when is_binary(Bin) ->
[Bin]; %% Already encoded...
enc_TransactionRequest_actions({'TransactionRequest_actions',Val}, State) ->
enc_TransactionRequest_actions(Val, State);
enc_TransactionRequest_actions([Mand], State) ->
[enc_ActionRequest(Mand, State)];
enc_TransactionRequest_actions([Mand | Opt], State) ->
[enc_ActionRequest(Mand, State) |
[[?COMMA_INDENT(State), enc_ActionRequest(Val, State)] || Val <- Opt]].
enc_TransactionPending(#'TransactionPending'{transactionId = Tid}, State) ->
[?PendingToken,
?EQUAL,
enc_TransactionId(Tid, State),
?LBRKT_INDENT(State),
?RBRKT_INDENT(State)
];
enc_TransactionPending(Bin, _State) when is_binary(Bin) ->
[Bin].
enc_TransactionReply(#'TransactionReply'{transactionId = Tid,
immAckRequired = asn1_NOVALUE,
transactionResult = Res},
State) ->
[
?ReplyToken,
?EQUAL,
enc_TransactionId(Tid, State),
?LBRKT_INDENT(State),
enc_TransactionReply_transactionResult(Res, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_TransactionReply(#'TransactionReply'{transactionId = Tid,
immAckRequired = Req,
transactionResult = Res}, State) ->
[
?ReplyToken,
?EQUAL,
enc_TransactionId(Tid, State),
?LBRKT_INDENT(State),
enc_immAckRequired(Req, State),
enc_TransactionReply_transactionResult(Res, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_TransactionReply(Bin, _State) when is_binary(Bin) ->
[Bin].
enc_immAckRequired(Val, _State) ->
case Val of
asn1_NOVALUE ->
[];
'NULL' ->
[?ImmAckRequiredToken, ?COMMA_INDENT(?INC_INDENT(_State))]
end.
enc_TransactionReply_transactionResult({'TransactionReply_transactionResult',Val}, State) ->
enc_TransactionReply_transactionResult(Val, State);
enc_TransactionReply_transactionResult({Tag, Val}, State) ->
case Tag of
transactionError ->
enc_ErrorDescriptor(Val, State);
actionReplies ->
enc_TransactionReply_transactionResult_actionReplies(Val, State);
_ ->
error({invalid_TransactionReply_transactionResult_tag, Tag})
end.
enc_TransactionReply_transactionResult_actionReplies({'TransactionReply_transactionResult_actionReplies',Val}, State) ->
enc_TransactionReply_transactionResult_actionReplies(Val, State);
enc_TransactionReply_transactionResult_actionReplies([Mand], State) ->
[enc_ActionReply(Mand, State)];
enc_TransactionReply_transactionResult_actionReplies([Mand | Opt], State) ->
[enc_ActionReply(Mand, State),
[[?COMMA_INDENT(State), enc_ActionReply(Val, State)] || Val <- Opt]].
enc_ErrorDescriptor(#'ErrorDescriptor'{errorText = asn1_NOVALUE,
errorCode = Code}, State) ->
[
?ErrorToken,
?EQUAL,
enc_ErrorCode(Code, State),
?LBRKT,
?RBRKT
];
enc_ErrorDescriptor(#'ErrorDescriptor'{errorText = Text,
errorCode = Code}, State) ->
[
?ErrorToken,
?EQUAL,
enc_ErrorCode(Code, State),
?LBRKT,
enc_ErrorText(Text, State),
?RBRKT
].
enc_ErrorCode({'ErrorCode',Val}, State)->
enc_ErrorCode(Val, State);
enc_ErrorCode(Val, State) ->
enc_DIGIT(Val, State, 0, 999).
enc_ErrorText({'ErrorText',Val}, State) ->
enc_ErrorText(Val, State);
enc_ErrorText(Val, State) ->
enc_QUOTED_STRING(Val, State).
enc_ContextID({'ContextID',Val}, State) ->
enc_ContextID(Val, State);
enc_ContextID(Val, State) ->
case Val of
?megaco_all_context_id -> $*;
?megaco_null_context_id -> $-;
?megaco_choose_context_id -> $$;
Int when is_integer(Int) -> enc_UINT32(Int, State)
end.
enc_ActionRequest(Bin, _State) when is_binary(Bin) ->
[Bin]; %% Already encoded...
enc_ActionRequest(Val, State)
when is_record(Val, 'ActionRequest') ->
[
?CtxToken,
?EQUAL,
enc_ContextID(Val#'ActionRequest'.contextId, State),
?LBRKT_INDENT(State),
enc_list([{[Val#'ActionRequest'.contextAttrAuditReq],
fun enc_ContextAttrAuditRequest/2}] ++
decompose_ContextRequest(Val#'ActionRequest'.contextRequest) ++
[{Val#'ActionRequest'.commandRequests,
fun enc_CommandRequest/2}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
%% OTP-5085
enc_ActionReply(#'ActionReply'{contextId = Id,
errorDescriptor = ED,
contextReply = CtxRep,
commandReply = CmdRep},
State) ->
[
?CtxToken,
?EQUAL,
enc_ContextID(Id, State),
?LBRKT_INDENT(State),
do_enc_ActionReply(ED, CtxRep, CmdRep, State),
?RBRKT_INDENT(State)
].
do_enc_ActionReply(asn1_NOVALUE, CtxRep, CmdRep, State)
when (CtxRep =/= asn1_NOVALUE) orelse (CmdRep =/= []) ->
[
enc_list(decompose_ContextRequest(CtxRep) ++
[{CmdRep, fun enc_CommandReply/2}],
?INC_INDENT(State))
];
do_enc_ActionReply(ED, CtxRep, CmdRep, State)
when (CtxRep =/= asn1_NOVALUE) orelse (CmdRep =/= []) ->
[
enc_list(decompose_ContextRequest(CtxRep) ++
[{CmdRep, fun enc_CommandReply/2},
{[ED], fun enc_ErrorDescriptor/2}], % Indention cosmetics
?INC_INDENT(State))
];
do_enc_ActionReply(ED, asn1_NOVALUE, [], State) ->
[
enc_ErrorDescriptor(ED, ?INC_INDENT(State))
].
decompose_ContextRequest(asn1_NOVALUE) ->
[{[], dummy}] ;
decompose_ContextRequest(Val)
when is_record(Val, 'ContextRequest') ->
OptPriority =
case Val#'ContextRequest'.priority of
asn1_NOVALUE -> {[], dummy};
Prio -> {[Prio], fun enc_priority/2}
end,
OptEmergency =
case Val#'ContextRequest'.emergency of
asn1_NOVALUE -> {[], dummy};
false -> {[], dummy};
true -> {[?EmergencyToken], fun(Elem, _) -> Elem end}
end,
OptTopologyReq =
case Val#'ContextRequest'.topologyReq of
asn1_NOVALUE ->
{[], dummy};
{'ContextRequest_topologyReq', asn1_NOVALUE} ->
{[], dummy};
{'ContextRequest_topologyReq', List} ->
{List, fun enc_TopologyRequest/2};
List ->
{[List], fun enc_TopologyRequest/2}
end,
[OptPriority, OptEmergency, OptTopologyReq].
enc_priority(Val, State) ->
[
?PriorityToken,
?EQUAL,
enc_UINT16(Val, State)
].
enc_ContextAttrAuditRequest(Val, State)
when is_record(Val, 'ContextAttrAuditRequest') ->
[
?ContextAuditToken,
?LBRKT_INDENT(State),
enc_list([{[Val#'ContextAttrAuditRequest'.topology],
fun('NULL', _) -> ?TopologyToken end},
{[Val#'ContextAttrAuditRequest'.emergency],
fun('NULL', _) -> ?EmergencyToken end},
{[Val#'ContextAttrAuditRequest'.priority],
fun('NULL', _) -> ?PriorityToken end}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_CommandRequest(#'CommandRequest'{optional = asn1_NOVALUE,
wildcardReturn = asn1_NOVALUE,
command = Cmd}, State) ->
[
enc_Command(Cmd, State)
];
enc_CommandRequest(#'CommandRequest'{optional = 'NULL',
wildcardReturn = asn1_NOVALUE,
command = Cmd}, State) ->
[
"O-",
enc_Command(Cmd, State)
];
enc_CommandRequest(#'CommandRequest'{optional = asn1_NOVALUE,
wildcardReturn = 'NULL',
command = Cmd}, State) ->
[
"W-",
enc_Command(Cmd, State)
];
enc_CommandRequest(#'CommandRequest'{optional = 'NULL',
wildcardReturn = 'NULL',
command = Cmd}, State) ->
[
"O-",
"W-",
enc_Command(Cmd, State)
].
enc_Command({'Command',Val}, State) ->
enc_Command(Val, State);
enc_Command({Tag, Val}, State) ->
case Tag of
addReq ->
[?AddToken, enc_AmmRequest(Val, State)];
moveReq ->
[?MoveToken, enc_AmmRequest(Val, State)];
modReq ->
[?ModifyToken, enc_AmmRequest(Val, State)];
subtractReq ->
[?SubtractToken, enc_SubtractRequest(Val, State)];
auditCapRequest ->
[?AuditCapToken, enc_AuditRequest(Val, State)];
auditValueRequest ->
[?AuditValueToken, enc_AuditRequest(Val, State)];
notifyReq ->
[?NotifyToken, enc_NotifyRequest(Val, State)];
serviceChangeReq ->
[?ServiceChangeToken, enc_ServiceChangeRequest(Val, State)];
_ ->
error({invalid_Command_tag, Tag})
end.
enc_CommandReply({'CommandReply',Val}, State) ->
enc_CommandReply(Val, State);
enc_CommandReply({Tag, Val}, State) ->
case Tag of
addReply ->
[?AddToken, enc_AmmsReply(Val, State)];
moveReply ->
[?MoveToken, enc_AmmsReply(Val, State)];
modReply ->
[?ModifyToken, enc_AmmsReply(Val, State)];
subtractReply ->
[?SubtractToken, enc_AmmsReply(Val, State)];
auditCapReply ->
[?AuditCapToken, enc_AuditReply(Val, State)];
auditValueReply ->
[?AuditValueToken, enc_AuditReply(Val, State)];
notifyReply ->
[?NotifyToken, enc_NotifyReply(Val, State)];
serviceChangeReply ->
[?ServiceChangeToken, enc_ServiceChangeReply(Val, State)];
_ ->
error({invalid_CommandReply_tag, Tag})
end.
enc_TopologyRequest(Val, State)
when is_list(Val) ->
[
?TopologyToken,
?LBRKT_INDENT(State),
enc_list([{Val, fun enc_TopologyRequest1/2}],?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_TopologyRequest1(Val, State)
when is_record(Val, 'TopologyRequest') ->
[
fun(S) ->
[
enc_TerminationID(Val#'TopologyRequest'.terminationFrom, S),
?COMMA_INDENT(S),
enc_TerminationID(Val#'TopologyRequest'.terminationTo, S),
?COMMA_INDENT(S),
case Val#'TopologyRequest'.topologyDirection of
bothway -> ?BothwayToken;
isolate -> ?IsolateToken;
oneway -> ?OnewayToken
end
]
end(?INC_INDENT(State))
].
enc_AmmRequest(Val, State)
when is_record(Val, 'AmmRequest') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1(Val#'AmmRequest'.terminationID, State),
enc_opt_brackets(
enc_list([{Val#'AmmRequest'.descriptors, fun enc_ammDescriptor/2}],
?INC_INDENT(State)),
State)
].
enc_ammDescriptor({Tag, Desc}, State) ->
case Tag of
mediaDescriptor -> enc_MediaDescriptor(Desc, State);
modemDescriptor -> enc_ModemDescriptor(Desc, State);
muxDescriptor -> enc_MuxDescriptor(Desc, State);
eventsDescriptor -> enc_EventsDescriptor(Desc, State);
eventBufferDescriptor -> enc_EventBufferDescriptor(Desc, State);
signalsDescriptor -> enc_SignalsDescriptor(Desc, State);
digitMapDescriptor -> enc_DigitMapDescriptor(Desc, State);
auditDescriptor -> enc_AuditDescriptor(Desc, State);
_ ->
error({invalid_ammDescriptor_tag, Tag})
end.
enc_AmmsReply(#'AmmsReply'{terminationID = ID,
terminationAudit = asn1_NOVALUE}, State) ->
[
?EQUAL,
enc_TerminationIDList1(ID, State)
];
enc_AmmsReply(#'AmmsReply'{terminationID = ID,
terminationAudit = []}, State) ->
[
?EQUAL,
enc_TerminationIDList1(ID, State)
];
enc_AmmsReply(#'AmmsReply'{terminationID = ID,
terminationAudit = Res}, State) ->
[
?EQUAL,
enc_TerminationIDList1(ID, State),
case lists:flatten(enc_TerminationAudit(Res, ?INC_INDENT(State))) of
[] ->
[];
L ->
[
?LBRKT_INDENT(State),
L,
?RBRKT_INDENT(State)
]
end
].
enc_SubtractRequest(Val, State)
when is_record(Val, 'SubtractRequest') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1(Val#'SubtractRequest'.terminationID, State),
case Val#'SubtractRequest'.auditDescriptor of
asn1_NOVALUE ->
[];
AuditDescr ->
[
?LBRKT_INDENT(State) ,
enc_AuditDescriptor(AuditDescr, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end
].
enc_AuditRequest(Val, State)
when is_record(Val, 'AuditRequest') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1([Val#'AuditRequest'.terminationID], State),
case Val#'AuditRequest'.auditDescriptor of
asn1_NOVALUE ->
[];
AuditDescr ->
[
?LBRKT_INDENT(State) ,
enc_AuditDescriptor(AuditDescr, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end
].
%% auditReply = (AuditValueToken / AuditCapToken )
%% ( contextTerminationAudit / auditOther)
%% auditOther = EQUAL TerminationID LBRKT
%% terminationAudit RBRKT
%% terminationAudit = auditReturnParameter *(COMMA auditReturnParameter)
%%
%% contextTerminationAudit = EQUAL CtxToken ( terminationIDList /
%% LBRKT errorDescriptor RBRKT )
enc_AuditReply({Tag, Val}, State) ->
case Tag of
contextAuditResult ->
[
?EQUAL,
?CtxToken,
enc_TerminationIDListN(Val, State)
];
error ->
[
?EQUAL,
?CtxToken,
?LBRKT_INDENT(State),
enc_ErrorDescriptor(Val, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
auditResult when is_record(Val, 'AuditResult') ->
enc_auditOther(Val, State);
auditResult ->
error({invalid_auditResult, Val});
_ ->
error({invalid_AuditReply_tag, Tag})
end.
enc_auditOther(#'AuditResult'{terminationID = ID,
terminationAuditResult = asn1_NOVALUE}, State) ->
[
?EQUAL,
enc_TerminationID(ID, State)
];
enc_auditOther(#'AuditResult'{terminationID = ID,
terminationAuditResult = []}, State) ->
[
?EQUAL,
enc_TerminationID(ID, State)
];
enc_auditOther(#'AuditResult'{terminationID = ID,
terminationAuditResult = Res}, State) ->
[
?EQUAL,
enc_TerminationID(ID, State),
case lists:flatten(enc_TerminationAudit(Res, ?INC_INDENT(State))) of
[] ->
[];
L ->
[
?LBRKT_INDENT(State),
L,
?RBRKT_INDENT(State)
]
end
].
enc_AuditDescriptor(#'AuditDescriptor'{auditToken = asn1_NOVALUE},
_State) ->
[
?AuditToken,
[?LBRKT, ?RBRKT]
];
enc_AuditDescriptor(#'AuditDescriptor'{auditToken = []},
_State) ->
[
?AuditToken,
[?LBRKT, ?RBRKT]
];
enc_AuditDescriptor(#'AuditDescriptor'{auditToken = List},
State) ->
[
?AuditToken,
[
?LBRKT_INDENT(State),
enc_list([{List, fun enc_auditItem/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
].
enc_auditItem(signalsToken, _State) ->
?SignalsToken;
enc_auditItem(eventBufferToken, _State) ->
?EventBufferToken;
enc_auditItem(eventsToken, _State) ->
?EventsToken;
enc_auditItem(Val, State) ->
enc_auditReturnItem(Val, State).
enc_auditReturnItem(muxToken, _State) ->
?MuxToken;
enc_auditReturnItem(modemToken, _State) ->
?ModemToken;
enc_auditReturnItem(mediaToken, _State) ->
?MediaToken;
enc_auditReturnItem(digitMapToken, _State) ->
?DigitMapToken;
enc_auditReturnItem(statsToken, _State) ->
?StatsToken;
enc_auditReturnItem(observedEventsToken, _State) ->
?ObservedEventsToken;
enc_auditReturnItem(packagesToken, _State) ->
?PackagesToken.
enc_TerminationAudit({'TerminationAudit',Val}, State) ->
enc_TerminationAudit(Val, State);
enc_TerminationAudit([], _State) ->
[];
enc_TerminationAudit([Mand | Opt], State) ->
[enc_AuditReturnParameter(Mand, State),
[[?COMMA_INDENT(State),
enc_AuditReturnParameter(Val, State)] || Val <- Opt]].
enc_AuditReturnParameter({'AuditReturnParameter',Val}, State) ->
enc_AuditReturnParameter(Val, State);
enc_AuditReturnParameter({Tag, Val}, State) ->
case Tag of
mediaDescriptor ->
enc_MediaDescriptor(Val, State);
modemDescriptor ->
enc_ModemDescriptor(Val, State);
muxDescriptor ->
enc_MuxDescriptor(Val, State);
eventsDescriptor ->
enc_EventsDescriptor(Val, State);
signalsDescriptor ->
enc_SignalsDescriptor(Val, State);
digitMapDescriptor ->
enc_DigitMapDescriptor(Val, State);
observedEventsDescriptor ->
enc_ObservedEventsDescriptor(Val, State);
eventBufferDescriptor ->
enc_EventBufferDescriptor(Val, State);
statisticsDescriptor ->
enc_StatisticsDescriptor(Val, State);
packagesDescriptor ->
enc_PackagesDescriptor(Val, State);
errorDescriptor ->
enc_ErrorDescriptor(Val, State);
emptyDescriptors ->
enc_EmptyDescriptors(Val, State);
_ ->
error({unknown_AuditReturnParameter_tag, Tag})
end.
enc_EmptyDescriptors(#'AuditDescriptor'{auditToken = asn1_NOVALUE}, _State) ->
[];
enc_EmptyDescriptors(#'AuditDescriptor'{auditToken = []}, _State) ->
[];
enc_EmptyDescriptors(#'AuditDescriptor'{auditToken = List}, State) ->
enc_list([{List, fun enc_auditReturnItem/2}], ?INC_INDENT(State)).
enc_NotifyRequest(Val, State)
when is_record(Val, 'NotifyRequest') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1(Val#'NotifyRequest'.terminationID, State),
?LBRKT_INDENT(State),
%% BUGBUG: Mismatch between ASN.1 and ABNF
%% BUGBUG: The following ought to be a 'choice'
case Val#'NotifyRequest'.errorDescriptor of
asn1_NOVALUE ->
OED = Val#'NotifyRequest'.observedEventsDescriptor,
enc_ObservedEventsDescriptor(OED, ?INC_INDENT(State));
ErrorDescr ->
enc_ErrorDescriptor(ErrorDescr, ?INC_INDENT(State))
end,
?RBRKT_INDENT(State)
].
enc_NotifyReply(Val, State)
when is_record(Val, 'NotifyReply') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
case Val#'NotifyReply'.terminationID of
asn1_NOVALUE ->
error(asn1_not_compliant_with_abnf);
TermId ->
enc_TerminationIDList1(TermId, State)
end,
case Val#'NotifyReply'.errorDescriptor of
asn1_NOVALUE ->
[];
ErrorDescr ->
[
?LBRKT_INDENT(State),
enc_ErrorDescriptor(ErrorDescr, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end
].
enc_ObservedEventsDescriptor(Val, State)
when is_record(Val, 'ObservedEventsDescriptor') ->
[
?ObservedEventsToken,
?EQUAL,
enc_RequestID(Val#'ObservedEventsDescriptor'.requestId, State),
?LBRKT_INDENT(State),
enc_observedEventsDescriptors(Val#'ObservedEventsDescriptor'.observedEventLst, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_observedEventsDescriptors([Mand | Opt], State) ->
[enc_ObservedEvent(Mand, State),
[[?COMMA_INDENT(State), enc_ObservedEvent(Val, State)] || Val <- Opt]].
%% ;time per event, because it might be buffered
%% observedEvent = [ TimeStamp LWSP COLON] LWSP
%% pkgdName [ LBRKT observedEventParameter
%% *(COMMA observedEventParameter) RBRKT ]
%%
%% ;at-most-once eventStream, every eventParameterName at most once
%% observedEventParameter = eventStream / eventOther
enc_ObservedEvent(Val, State)
when is_record(Val, 'ObservedEvent') ->
[
case Val#'ObservedEvent'.timeNotation of
asn1_NOVALUE ->
[];
TimeStamp ->
[
enc_TimeNotation(TimeStamp, State),
?LWSP,
?COLON
]
end,
?LWSP,
enc_EventName(Val#'ObservedEvent'.eventName, State),
enc_opt_brackets(
enc_list([{[Val#'ObservedEvent'.streamID], fun enc_eventStream/2},
{Val#'ObservedEvent'.eventParList, fun enc_eventOther/2}],
?INC_INDENT(State)),
State)
].
enc_EventName({'EventName',Val}, State) ->
enc_EventName(Val, State);
enc_EventName(Val, State) ->
PkgdName = ?META_ENC(event, Val),
enc_PkgdName(PkgdName, State).
enc_eventStream(Val, State) ->
[
?StreamToken,
?EQUAL,
enc_StreamID(Val, State)
].
%% The value is already encoded
enc_eventOther(#megaco_event_parameter{name = Name,
value = Value}, State)
when is_list(Value) ->
[
enc_Name(Name, State),
?EqualToken,
Value
];
%% Special treatment of the ds parameter of the dd/ce event
enc_eventOther(#'EventParameter'{eventParameterName = "ds" = Name,
value = [DigitString],
extraInfo = asn1_NOVALUE}, State) ->
[
enc_Name(Name, State),
?EqualToken,
enc_DigitString(DigitString, State)
];
enc_eventOther(#'EventParameter'{eventParameterName = Name,
value = Value,
extraInfo = Extra}, State) ->
[
enc_Name(Name, State),
enc_propertyParmValues(Value, Extra, State)
].
enc_ServiceChangeRequest(Val, State)
when is_record(Val, 'ServiceChangeRequest') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1(Val#'ServiceChangeRequest'.terminationID, State),
?LBRKT_INDENT(State),
enc_ServiceChangeParm(Val#'ServiceChangeRequest'.serviceChangeParms,
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
%% serviceChangeReply = ServiceChangeToken EQUAL TerminationID
%% [LBRKT (errorDescriptor /
%% serviceChangeReplyDescriptor) RBRKT]
%% serviceChangeReplyDescriptor = ServicesToken LBRKT
%% servChgReplyParm *(COMMA servChgReplyParm) RBRKT
%%
%% ;at-most-once. Version is REQUIRED on first ServiceChange response
%% servChgReplyParm = (serviceChangeAddress / serviceChangeMgcId /
%% serviceChangeProfile / serviceChangeVersion )
enc_ServiceChangeReply(Val, State)
when is_record(Val, 'ServiceChangeReply') ->
[
%% Assume that Token is added elsewhere
?EQUAL,
enc_TerminationIDList1(Val#'ServiceChangeReply'.terminationID, State),
enc_ServiceChangeResult(Val#'ServiceChangeReply'.serviceChangeResult, State)
].
enc_ServiceChangeResult({'ServiceChangeResult',Val}, State) ->
enc_ServiceChangeResult(Val, State);
enc_ServiceChangeResult({Tag, Val}, State) ->
case Tag of
errorDescriptor ->
[
?LBRKT_INDENT(State),
enc_ErrorDescriptor(Val, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
serviceChangeResParms ->
case enc_ServiceChangeResParm(Val, ?INC_INDENT(?INC_INDENT(State))) of
[] ->
[];
ResParms ->
[
?LBRKT_INDENT(State),
?ServicesToken,
fun(_S) ->
[
?LBRKT_INDENT(_S),
ResParms,
?RBRKT_INDENT(_S)
]
end(?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end;
_ ->
error({invalid_ServiceChangeResult_tag, Tag})
end.
%% Required length of termination ID list is 1
enc_TerminationIDList1({'TerminationIDList',Val}, State) ->
enc_TerminationIDList1(Val, State);
enc_TerminationIDList1([Singleton], State) ->
enc_TerminationID(Singleton, State).
%% No required length of termination ID list
enc_TerminationIDListN({'TerminationIDList',Val}, State) ->
enc_TerminationIDListN(Val, State);
enc_TerminationIDListN([TID], State) ->
[
?LBRKT_INDENT(State),
enc_TerminationID(TID, State),
?RBRKT_INDENT(State)
];
enc_TerminationIDListN(TIDs, State) ->
[
?LBRKT_INDENT(State),
enc_list([{TIDs, fun enc_TerminationID/2}], State),
?RBRKT_INDENT(State)
].
%% TerminationID = "ROOT" / pathNAME / "$" / "*"
%% ; Total length of pathNAME must not exceed 64 chars.
%% pathNAME = ["*"] NAME *("/" / "*"/ ALPHA / DIGIT /"_" / "$" )
%% ["@" pathDomainName ]
enc_TerminationID(Tid, State)
when is_record(Tid, megaco_term_id) ->
List = [{Tid#megaco_term_id.id, fun enc_tid_component/2 }],
enc_list(List, State, fun(_S) -> ?SLASH end, false).
enc_tid_component(Component, State) when is_list(Component) ->
[enc_tid_sub_component(Sub, State) || Sub <- Component];
enc_tid_component(Invalid, _State) ->
error({invalid_id_list_component, Invalid}).
enc_tid_sub_component(all = _Sub, _State) ->
?megaco_all;
enc_tid_sub_component(choose = _Sub, _State) ->
?megaco_choose;
enc_tid_sub_component(Char, _State) when is_integer(Char) ->
Char;
enc_tid_sub_component(Invalid, _State) ->
error({invalid_id_list_sub_component, Invalid}).
%% enc_tid_sub_component(Sub, _State) ->
%% case Sub of
%% all -> ?megaco_all;
%% choose -> ?megaco_choose;
%% Char when is_integer(Char) -> Char
%% end.
%% mediaDescriptor = MediaToken LBRKT mediaParm *(COMMA mediaParm) RBRKT
%% ; at-most-once per item
%% ; and either streamParm or streamDescriptor but not both
%% mediaParm = (streamParm / streamDescriptor /
%% terminationStateDescriptor)
%% ; at-most-once
%% streamParm = ( localDescriptor / remoteDescriptor /
%% localControlDescriptor )
%% streamDescriptor = StreamToken EQUAL StreamID LBRKT streamParm
%% *(COMMA streamParm) RBRKT
enc_MediaDescriptor(Val, State)
when is_record(Val, 'MediaDescriptor') ->
[
?MediaToken,
?LBRKT_INDENT(State),
enc_list([{[Val#'MediaDescriptor'.termStateDescr],
fun enc_TerminationStateDescriptor/2} |
decompose_streams(Val#'MediaDescriptor'.streams)],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
decompose_streams(asn1_NOVALUE) ->
[];
decompose_streams({'MediaDescriptor_streams',Val}) ->
decompose_streams(Val);
decompose_streams({Tag, Val}) ->
case Tag of
oneStream ->
decompose_StreamParms(Val);
multiStream ->
[{Val, fun enc_StreamDescriptor/2}];
_ ->
error({invalid_streams_tag, Tag})
end.
decompose_StreamParms(Val)
when is_record(Val, 'StreamParms') ->
[
{[Val#'StreamParms'.localControlDescriptor],
fun enc_LocalControlDescriptor/2},
{[Val#'StreamParms'.localDescriptor],
fun enc_localDescriptor/2},
{[Val#'StreamParms'.remoteDescriptor],
fun enc_remoteDescriptor/2}
].
enc_StreamDescriptor(Val, State)
when is_record(Val, 'StreamDescriptor') ->
[
?StreamToken,
?EQUAL,
enc_StreamID(Val#'StreamDescriptor'.streamID, State),
?LBRKT_INDENT(State),
enc_list(decompose_StreamParms(Val#'StreamDescriptor'.streamParms),
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
%% localControlDescriptor = LocalControlToken LBRKT localParm
%% *(COMMA localParm) RBRKT
%%
%% ; at-most-once per item
%% localParm = ( streamMode / propertyParm /
%% reservedValueMode / reservedGroupMode )
%% reservedValueMode = ReservedValueToken EQUAL ( "ON" / "OFF" )
%% reservedGroupMode = ReservedGroupToken EQUAL ( "ON" / "OFF" )
%%
%% reservedMode = ReservedToken EQUAL ( "ON" / "OFF" )
%%
%% streamMode = ModeToken EQUAL streamModes
enc_LocalControlDescriptor(
#'LocalControlDescriptor'{streamMode = asn1_NOVALUE,
reserveValue = asn1_NOVALUE,
reserveGroup = asn1_NOVALUE,
propertyParms = []}, _State) ->
error({invalid_LocalControlDescriptor, empty});
enc_LocalControlDescriptor(
#'LocalControlDescriptor'{streamMode = SM,
reserveValue = RV,
reserveGroup = RG,
propertyParms = PPs}, State) ->
[
?LocalControlToken,
?LBRKT_INDENT(State),
enc_list([{[SM], fun enc_StreamMode/2},
{[RG], fun enc_reservedGroupMode/2},
{[RV], fun enc_reservedValueMode/2},
{PPs, fun enc_PropertyParm/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_reservedGroupMode(Val, _State) ->
[
?ReservedGroupToken,
?EQUAL,
case Val of
false -> ?OffToken;
true -> ?OnToken
end
].
enc_reservedValueMode(Val, _State) ->
[
?ReservedValueToken,
?EQUAL,
case Val of
false -> ?OffToken;
true -> ?OnToken
end
].
enc_StreamMode({'StreamMode',Val}, State) ->
enc_StreamMode(Val, State);
enc_StreamMode(Val, _State) ->
[
?ModeToken,
?EQUAL,
case Val of
sendOnly -> ?SendonlyToken;
recvOnly -> ?RecvonlyToken;
sendRecv -> ?SendrecvToken;
inactive -> ?InactiveToken;
loopBack -> ?LoopbackToken
end
].
enc_Name({'Name',Val}, State) ->
enc_Name(Val, State);
enc_Name(Val, State) ->
%% BUGBUG: NAME = ALPHA *63(ALPHA / DIGIT / "_" )
enc_STRING(Val, State, 1, 64).
enc_PkgdName({'PkgdName', Val}, State) ->
enc_PkgdName(Val, State);
enc_PkgdName(Val, _State) ->
%% BUGBUG: pkgdName = (NAME / "*") SLASH (ItemID / "*" )
%% enc_OCTET_STRING(Val, _State, 1, 64).
if
is_list(Val) ->
Length = length(Val),
if
(Length >= 1) ->
if
(Length =< 64) ->
Val;
true ->
error({pkgdName_toolong, Length, 64})
end;
true ->
error({pkgdName_tooshort, Length, 1})
end;
true ->
error({invalid_PkgdName, Val})
end.
enc_localDescriptor(Val, State)
when is_record(Val, 'LocalRemoteDescriptor') ->
[
?LocalToken,
?LBRKT,
enc_LocalRemoteDescriptor(Val, State),
?RBRKT_INDENT(State)
].
enc_remoteDescriptor(Val, State)
when is_record(Val, 'LocalRemoteDescriptor') ->
[
?RemoteToken,
?LBRKT,
enc_LocalRemoteDescriptor(Val, State),
?RBRKT_INDENT(State)
].
%% When text encoding the protocol, the descriptors consist of session
%% descriptions as defined in SDP (RFC2327), except that the "s=", "t="
%% and "o=" lines are optional. When multiple session descriptions are
%% provided in one descriptor, the "v=" lines are required as delimiters;
%% otherwise they are optional. Implementations shall accept session
%% descriptions that are fully conformant to RFC2327. <When binary
%% encoding the protocol the descriptor consists of groups of properties
%% (tag-value pairs) as specified in Annex C. Each such group may
%% contain the parameters of a session description.
enc_LocalRemoteDescriptor(Val, State)
when is_record(Val, 'LocalRemoteDescriptor') ->
case Val#'LocalRemoteDescriptor'.propGrps of
[] ->
[];
[OptV | MandV] ->
[?LfToken,
enc_PropertyGroup(OptV, opt_v, State) |
[enc_PropertyGroup(M, mand_v, State) || M <- MandV]]
end.
enc_PropertyGroup({'PropertyGroup',Val}, RequiresV, State) ->
enc_PropertyGroup(Val, RequiresV, State);
enc_PropertyGroup([H | _T] = List, mand_v, State)
when is_record(H, 'PropertyParm') andalso (H#'PropertyParm'.name =:= "v") ->
enc_PropertyGroup(List, opt_v, State);
enc_PropertyGroup(PG, opt_v, State) ->
[
[[enc_PropertyGroupParm(PP, State), ?CrToken, ?LfToken] || PP <- PG]
].
enc_PropertyGroupParm(Val, State)
when is_record(Val, 'PropertyParm') ->
[OctetString] = Val#'PropertyParm'.value,
[
enc_PkgdName(Val#'PropertyParm'.name, State),
?EqualToken,
enc_OCTET_STRING(OctetString, State, 0, infinity)
].
%% propertyParm = pkgdName parmValue
%% parmValue = (EQUAL alternativeValue/ INEQUAL VALUE)
%% alternativeValue = ( VALUE / LSBRKT VALUE *(COMMA VALUE) RSBRKT /
%% LSBRKT VALUE DOT DOT VALUE RSBRKT )
enc_PropertyParm(Val, State)
when is_record(Val, 'PropertyParm') ->
PkgdName = ?META_ENC(property, Val#'PropertyParm'.name),
[
enc_PkgdName(PkgdName, State),
enc_propertyParmValues(Val#'PropertyParm'.value,
Val#'PropertyParm'.extraInfo,
State)
].
enc_propertyParmValues([Single], asn1_NOVALUE, State) ->
[
?EqualToken,
enc_Value(Single, State)
];
enc_propertyParmValues([Single], {relation, Rel}, State) ->
case Rel of
greaterThan -> [$>, enc_Value(Single, State)];
smallerThan -> [$<, enc_Value(Single, State)];
unequalTo -> [$#, enc_Value(Single, State)]
end;
enc_propertyParmValues([Low, High], {range, true}, State)->
%% Exact two values
[
?EqualToken,
?LSBRKT,
enc_Value(Low, State),
?COLON,
enc_Value(High, State),
?RSBRKT
];
enc_propertyParmValues(Values, {sublist, true}, State)->
%% sublist (i.e. A AND B AND ...)
[
?EqualToken,
?LSBRKT,
enc_list([{Values, fun enc_Value/2}], State),
?RSBRKT
];
enc_propertyParmValues(Values, {sublist, false}, State) ->
%% alternatives (i.e. A OR B OR ...)
[
?EqualToken,
?LBRKT,
enc_list([{Values, fun enc_Value/2}], State),
?RBRKT
];
enc_propertyParmValues(V, EI, _State) ->
error({invalid_property_parm_values, V, EI}).
enc_TerminationStateDescriptor(Val, State)
when is_record(Val, 'TerminationStateDescriptor') ->
[
?TerminationStateToken,
?LBRKT_INDENT(State),
enc_list([{Val#'TerminationStateDescriptor'.propertyParms,
fun enc_PropertyParm/2},
{[Val#'TerminationStateDescriptor'.eventBufferControl],
fun enc_eventBufferControl/2},
{[Val#'TerminationStateDescriptor'.serviceState],
fun enc_serviceState/2}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_eventBufferControl(Val, _State) ->
[
?BufferToken,
?EQUAL,
case Val of
off -> ?OffToken;
lockStep -> ?LockStepToken
end
].
enc_serviceState({'ServiceState',Val}, State) ->
enc_serviceState(Val, State);
enc_serviceState(Val, _State) ->
[
?ServiceStatesToken,
?EQUAL,
case Val of
test -> ?TestToken;
outOfSvc -> ?OutOfSvcToken;
inSvc -> ?InSvcToken
end
].
enc_MuxDescriptor(Val, State)
when is_record(Val, 'MuxDescriptor') ->
[
?MuxToken,
?EQUAL,
enc_MuxType(Val#'MuxDescriptor'.muxType, State),
enc_TerminationIDListN(Val#'MuxDescriptor'.termList, State)
].
enc_MuxType({'MuxType',Val}, State) ->
enc_MuxType(Val, State);
enc_MuxType(Val, _State) ->
case Val of
h221 -> ?H221Token;
h223 -> ?H223Token;
h226 -> ?H226Token;
v76 -> ?V76Token
end.
enc_StreamID({'StreamID',Val}, State) ->
enc_StreamID(Val, State);
enc_StreamID(Val, State) ->
enc_UINT16(Val, State).
enc_EventsDescriptor(Val, State)
when is_record(Val, 'EventsDescriptor') ->
#'EventsDescriptor'{requestID = RequestId,
eventList = Events} = Val,
if
RequestId == asn1_NOVALUE, Events == [] ->
[
?EventsToken
];
RequestId =/= asn1_NOVALUE, Events =/= [] ->
[
?EventsToken,
?EQUAL,
enc_RequestID(RequestId, State),
?LBRKT_INDENT(State),
enc_list([{Events, fun enc_RequestedEvent/2}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end.
enc_RequestedEvent(Val, State)
when is_record(Val, 'RequestedEvent') ->
PkgdName = ?META_ENC(event, Val#'RequestedEvent'.pkgdName),
[
enc_PkgdName(PkgdName, State),
enc_opt_brackets(
enc_list([{[Val#'RequestedEvent'.streamID], fun enc_eventStream/2},
{Val#'RequestedEvent'.evParList, fun enc_eventOther/2} |
decompose_requestedActions(Val#'RequestedEvent'.eventAction)],
?INC_INDENT(State)),
State)
].
decompose_requestedActions(asn1_NOVALUE) ->
[];
%%
%% This in the ABNF:
%% at-most-once each of KeepActiveToken , eventDM and eventStream
%% at most one of either embedWithSig or embedNoSig but not both
%% KeepActiveToken and embedWithSig must not both be present
%%
%% embedWithSig
decompose_requestedActions(#'RequestedActions'{keepActive = KA,
eventDM = EDM,
secondEvent = SE,
signalsDescriptor = SD})
when (KA =/= true) andalso
(SD =/= asn1_NOVALUE) andalso
(SD /= []) ->
% d("decompose_requestedActions -> entry with"
% "~n EDM: ~p"
% "~n SE: ~p"
% "~n SD: ~p", [EDM, SE, SD]),
[
{[EDM], fun enc_EventDM/2},
{[{SE, SD}], fun enc_embedWithSig/2}
];
%% embedNoSig
decompose_requestedActions(#'RequestedActions'{keepActive = KA,
eventDM = EDM,
secondEvent = SE,
signalsDescriptor = SD})
when (SD =:= asn1_NOVALUE) orelse (SD =:= []) ->
[
{[KA], fun enc_keepActive/2},
{[EDM], fun enc_EventDM/2},
{[SE], fun enc_embedNoSig/2}
];
%% Fallback, if everything else failes....
decompose_requestedActions(#'RequestedActions'{keepActive = KA,
eventDM = EDM,
secondEvent = SE,
signalsDescriptor = SD}) ->
[
{[KA], fun enc_keepActive/2},
{[EDM], fun enc_EventDM/2},
{[{SE, SD}], fun enc_embedWithSig/2}
].
enc_embedNoSig(#'SecondEventsDescriptor'{requestID = RID,
eventList = Evs}, State) ->
[
?EmbedToken,
?LBRKT_INDENT(State),
enc_embedFirst(RID, Evs, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_embedWithSig({asn1_NOVALUE, SD}, State) ->
[
?EmbedToken,
?LBRKT_INDENT(State),
enc_SignalsDescriptor(SD, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_embedWithSig({#'SecondEventsDescriptor'{requestID = RID,
eventList = Evs}, SD}, State) ->
[
?EmbedToken,
?LBRKT_INDENT(State),
enc_SignalsDescriptor(SD, ?INC_INDENT(State)),
?COMMA_INDENT(?INC_INDENT(State)),
enc_embedFirst(RID, Evs, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_keepActive(Val, _State) ->
case Val of
true -> [?KeepActiveToken];
false -> []
end.
enc_EventDM({'EventDM',Val}, State) ->
enc_EventDM(Val, State);
enc_EventDM({Tag, Val}, State) ->
case Tag of
digitMapName ->
[
?DigitMapToken,
?EQUAL,
enc_DigitMapName(Val, State)
];
digitMapValue ->
[
?DigitMapToken,
?LBRKT_INDENT(State),
enc_DigitMapValue(Val, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
_ ->
error({invalid_EventDM_tag, Tag})
end.
enc_embedFirst(RID, Evs, State)
when (RID =/= asn1_NOVALUE) andalso is_list(Evs) andalso (Evs =/= []) ->
[
?EventsToken,
?EQUAL,
enc_RequestID(RID, State),
?LBRKT_INDENT(State),
enc_list([{Evs, fun enc_SecondRequestedEvent/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_embedFirst(_RID, _Evs, _State) ->
[
?EventsToken
].
enc_SecondRequestedEvent(#'SecondRequestedEvent'{pkgdName = N,
streamID = SID,
evParList = EPL,
eventAction = EA}, State) ->
PkgdName = ?META_ENC(event, N),
[
enc_PkgdName(PkgdName, State),
enc_opt_brackets(
enc_list(
[{[SID], fun enc_eventStream/2},
{EPL, fun enc_eventOther/2} |
decompose_secondRequestedActions(EA)],
?INC_INDENT(State)),
State)
].
decompose_secondRequestedActions(asn1_NOVALUE) ->
[];
decompose_secondRequestedActions(Val)
when is_record(Val, 'SecondRequestedActions') ->
[
{[Val#'SecondRequestedActions'.keepActive],
fun enc_keepActive/2},
{[Val#'SecondRequestedActions'.eventDM],
fun enc_EventDM/2},
{[Val#'SecondRequestedActions'.signalsDescriptor],
fun enc_embeddedSignalsDescriptor/2}
].
enc_embeddedSignalsDescriptor(Val, State) ->
[
?EmbedToken,
?LBRKT_INDENT(State),
enc_SignalsDescriptor(Val, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_EventBufferDescriptor({'EventBufferDescriptor',Val}, State) ->
enc_EventBufferDescriptor(Val, State);
enc_EventBufferDescriptor([], _State) ->
[
?EventBufferToken
];
enc_EventBufferDescriptor(EventSpecs, State)
when is_list(EventSpecs) andalso (length(EventSpecs) >= 1) ->
[
?EventBufferToken,
?LBRKT_INDENT(State),
enc_eventSpecs(EventSpecs, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
];
enc_EventBufferDescriptor(EventSpecs, _State) ->
error({bad_eventSpecs, EventSpecs}).
enc_eventSpecs([Mand | Opt], State) ->
[enc_eventSpec(Mand, State),
[[?COMMA_INDENT(State), enc_eventSpec(Val, State)] || Val <- Opt]].
enc_eventSpec(#'EventSpec'{eventName = Name,
streamID = SID,
eventParList = EPL}, State) ->
[
enc_EventName(Name, State),
enc_opt_brackets(
enc_list([{[SID], fun enc_eventStream/2},
{EPL, fun enc_eventOther/2}],
?INC_INDENT(State)),
State)
].
enc_SignalsDescriptor({'SignalsDescriptor',Val}, State) ->
enc_SignalsDescriptor(Val, State);
enc_SignalsDescriptor([], _State) ->
[
?SignalsToken
];
enc_SignalsDescriptor(List, State) when is_list(List) ->
[
?SignalsToken,
?LBRKT_INDENT(State),
enc_list([{List, fun enc_SignalRequest/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_SignalRequest({'SignalRequest',Val}, State) ->
enc_SignalRequest(Val, State);
enc_SignalRequest({Tag, Val}, State) ->
case Tag of
signal ->
enc_Signal(Val, State);
seqSigList ->
enc_SeqSigList(Val, State);
_ ->
error({invalid_SignalRequest_tag, Tag})
end.
enc_SeqSigList(Val, State)
when is_record(Val, 'SeqSigList') ->
[
?SignalListToken,
?EQUAL,
enc_UINT16(Val#'SeqSigList'.id, State),
?LBRKT_INDENT(State),
enc_list([{Val#'SeqSigList'.signalList, fun enc_Signal/2}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_Signal(Val, State)
when is_record(Val, 'Signal') ->
[
enc_SignalName(Val#'Signal'.signalName, State),
enc_opt_brackets(
enc_list([{[Val#'Signal'.streamID], fun enc_sigStream/2},
{[Val#'Signal'.sigType], fun enc_sigSignalType/2},
{[Val#'Signal'.duration], fun enc_sigDuration/2},
{[Val#'Signal'.notifyCompletion], fun enc_notifyCompletion/2},
{[Val#'Signal'.keepActive], fun enc_keepActive/2},
{Val#'Signal'.sigParList, fun enc_sigOther/2}],
?INC_INDENT(State)),
State)
].
enc_sigStream(Val, State) ->
[
?StreamToken,
?EQUAL,
enc_StreamID(Val, State)
].
enc_sigSignalType(Val, State) ->
[
?SignalTypeToken,
?EQUAL,
enc_SignalType(Val, State)
].
enc_sigDuration(Val, State) ->
[
?DurationToken,
?EQUAL,
enc_UINT16(Val, State)
].
enc_notifyCompletion(List, State) when is_list(List) ->
[
?NotifyCompletionToken,
?EQUAL,
?LBRKT_INDENT(State),
enc_list([{List, fun enc_notifyCompletionItem/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_notifyCompletionItem(Val, _State) ->
case Val of
onTimeOut -> ?TimeOutToken;
onInterruptByEvent -> ?InterruptByEventToken;
onInterruptByNewSignalDescr -> ?InterruptByNewSignalsDescrToken;
otherReason -> ?OtherReasonToken
end.
enc_SignalType({'SignalType',Val}, State) ->
enc_SignalType(Val, State);
enc_SignalType(Val, _State) ->
case Val of
brief -> ?BriefToken;
onOff -> ?OnOffToken;
timeOut -> ?TimeOutToken
end.
enc_SignalName({'SignalName',Val}, State)->
enc_SignalName(Val, State);
enc_SignalName(Val, State) ->
PkgdName = ?META_ENC(signal, Val),
enc_PkgdName(PkgdName, State).
enc_sigOther(Val, State)
when is_record(Val, 'SigParameter') ->
[
enc_Name(Val#'SigParameter'.sigParameterName, State),
enc_propertyParmValues(Val#'SigParameter'.value,
Val#'SigParameter'.extraInfo,
State)
].
enc_RequestID({'RequestID',Val}, State) ->
enc_RequestID(Val, State);
enc_RequestID(Val, _State) when (Val =:= ?megaco_all_request_id) ->
"*";
enc_RequestID(Val, State) ->
enc_UINT32(Val, State).
enc_ModemDescriptor(#'ModemDescriptor'{mtl = [Val],
mpl = [],
nonStandardData = asn1_NOVALUE},
State) ->
[
?ModemToken,
?EQUAL,
enc_ModemType(Val, State)
];
enc_ModemDescriptor(Val, State)
when is_record(Val, 'ModemDescriptor') ->
[
?ModemToken,
?LSBRKT,
enc_list([{Val#'ModemDescriptor'.mtl, fun enc_ModemType/2}], State),
?RSBRKT,
enc_opt_brackets(
enc_list([{Val#'ModemDescriptor'.mpl, fun enc_PropertyParm/2}],
?INC_INDENT(State)),
State)
%% BUGBUG: Is PropertyParm == NAME parmValue?
].
enc_ModemType({'ModemType',Val}, State)->
enc_ModemType(Val, State);
enc_ModemType(Val, _State) ->
%% BUGBUG: Does not handle extensionParameter
case Val of
v18 -> ?V18Token;
v22 -> ?V22Token;
v22bis -> ?V22bisToken;
v32 -> ?V32Token;
v32bis -> ?V32bisToken;
v34 -> ?V34Token;
v90 -> ?V90Token;
v91 -> ?V91Token;
synchISDN -> ?SynchISDNToken
end.
enc_DigitMapDescriptor(#'DigitMapDescriptor'{digitMapName = asn1_NOVALUE,
digitMapValue = Value} = Val,
State)
when (Value =/= asn1_NOVALUE) ->
case is_empty_DigitMapValue(Value) of
true ->
error({invalid_DigitMapDescriptor, Val});
false ->
[
?DigitMapToken,
?EQUAL,
?LBRKT_INDENT(State),
enc_DigitMapValue(Value, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end;
enc_DigitMapDescriptor(#'DigitMapDescriptor'{digitMapName = Name,
digitMapValue = asn1_NOVALUE},
State)
when (Name =/= asn1_NOVALUE) ->
[
?DigitMapToken,
?EQUAL,
enc_DigitMapName(Name, State)
];
enc_DigitMapDescriptor(#'DigitMapDescriptor'{digitMapName = Name,
digitMapValue = Value},
State)
when (Name =/= asn1_NOVALUE) andalso (Value =/= asn1_NOVALUE) ->
case is_empty_DigitMapValue(Value) of
true ->
[
?DigitMapToken,
?EQUAL,
enc_DigitMapName(Name, State)
];
false ->
[
?DigitMapToken,
?EQUAL,
enc_DigitMapName(Name, State),
?LBRKT_INDENT(State),
enc_DigitMapValue(Value, ?INC_INDENT(State)),
?RBRKT_INDENT(State)
]
end;
enc_DigitMapDescriptor(BadVal, _State) ->
error({invalid_DigitMapDescriptor, BadVal}).
enc_DigitMapName({'DigitMapName',Val}, State) ->
enc_DigitMapName(Val, State);
enc_DigitMapName(Val, State) ->
enc_Name(Val, State).
is_empty_DigitMapValue(#'DigitMapValue'{startTimer = asn1_NOVALUE,
shortTimer = asn1_NOVALUE,
longTimer = asn1_NOVALUE,
digitMapBody = []}) ->
true;
is_empty_DigitMapValue(#'DigitMapValue'{}) ->
false.
enc_DigitMapValue(Val, State)
when is_record(Val, 'DigitMapValue') ->
[
enc_timer(Val#'DigitMapValue'.startTimer, $T, State),
enc_timer(Val#'DigitMapValue'.shortTimer, $S, State),
enc_timer(Val#'DigitMapValue'.longTimer, $L, State),
%% BUGBUG: digitMapBody not handled at all
enc_STRING(Val#'DigitMapValue'.digitMapBody, State, 0, infinity)
].
enc_timer(asn1_NOVALUE, _Prefix, _State) ->
[];
enc_timer(Timer, Prefix, State) ->
[
Prefix,
?COLON,
enc_DIGIT(Timer, State, 0, 99),
?COMMA_INDENT(State)
].
enc_ServiceChangeParm(Val, State)
when is_record(Val, 'ServiceChangeParm') ->
[
?ServicesToken,
?LBRKT_INDENT(State),
enc_list([{[Val#'ServiceChangeParm'.serviceChangeMethod],
fun enc_ServiceChangeMethod/2},
{[Val#'ServiceChangeParm'.serviceChangeAddress],
fun enc_ServiceChangeAddress/2},
{[Val#'ServiceChangeParm'.serviceChangeVersion],
fun enc_serviceChangeVersion/2},
{[Val#'ServiceChangeParm'.serviceChangeProfile],
fun enc_ServiceChangeProfile/2},
{[{reason, Val#'ServiceChangeParm'.serviceChangeReason}],
fun enc_serviceChangeReason/2},
{[Val#'ServiceChangeParm'.serviceChangeDelay],
fun enc_serviceChangeDelay/2},
{[Val#'ServiceChangeParm'.serviceChangeMgcId],
fun enc_serviceChangeMgcId/2},
{[Val#'ServiceChangeParm'.timeStamp],
fun enc_TimeNotation/2}],
?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_ServiceChangeMethod({'ServiceChangeMethod',Val}, State) ->
enc_ServiceChangeMethod(Val, State);
enc_ServiceChangeMethod(Val, _State) ->
[
?MethodToken,
?EQUAL,
case Val of
failover -> ?FailoverToken;
forced -> ?ForcedToken;
graceful -> ?GracefulToken;
restart -> ?RestartToken;
disconnected -> ?DisconnectedToken;
handOff -> ?HandOffToken
end
%% BUGBUG: extension
].
enc_ServiceChangeAddress({'ServiceChangeAddress',Val}, State) ->
enc_ServiceChangeAddress(Val, State);
enc_ServiceChangeAddress({Tag, Val}, State) ->
[
?ServiceChangeAddressToken,
?EQUAL,
case Tag of
portNumber ->
enc_portNumber(Val, State);
ip4Address ->
enc_IP4Address(Val, State);
ip6Address ->
enc_IP6Address(Val, State);
domainName ->
enc_DomainName(Val, State);
deviceName ->
enc_PathName(Val, State);
mtpAddress ->
enc_mtpAddress(Val, State);
_ ->
error({invalid_ServiceChangeAddress_tag, Tag})
end
].
enc_serviceChangeVersion(Val, State) ->
[
?VersionToken,
?EQUAL,
enc_version(Val, State)
].
enc_ServiceChangeProfile(#'ServiceChangeProfile'{profileName = Name,
version = Version},
State) ->
[
?ProfileToken,
?EQUAL,
enc_Name(Name, State),
?SLASH,
enc_version(Version, State)
].
enc_serviceChangeReason({reason, Val}, State) ->
case Val of
asn1_NOVALUE ->
[];
[List] when is_list(List) ->
[
?ReasonToken,
?EQUAL,
enc_QUOTED_STRING(List,State) % OTP-4632 enc_Value(List, State)
]
end.
enc_serviceChangeDelay(Val, State) ->
[
?DelayToken,
?EQUAL,
enc_UINT32(Val, State)
].
enc_serviceChangeMgcId(Val, State) ->
[
?MgcIdToken,
?EQUAL,
enc_MId(Val, State)
].
enc_portNumber(Val, State) when is_integer(Val) andalso (Val >= 0) ->
enc_UINT16(Val, State).
enc_ServiceChangeResParm(Val, State)
when is_record(Val, 'ServiceChangeResParm') ->
enc_list([{[Val#'ServiceChangeResParm'.serviceChangeAddress],
fun enc_ServiceChangeAddress/2},
{[Val#'ServiceChangeResParm'.serviceChangeVersion],
fun enc_serviceChangeVersion/2},
{[Val#'ServiceChangeResParm'.serviceChangeProfile],
fun enc_ServiceChangeProfile/2},
{[Val#'ServiceChangeResParm'.serviceChangeMgcId],
fun enc_serviceChangeMgcId/2},
{[Val#'ServiceChangeResParm'.timeStamp],
fun enc_TimeNotation/2}],
State).
enc_PackagesDescriptor({'PackagesDescriptor',Val}, State) ->
enc_PackagesDescriptor(Val, State);
enc_PackagesDescriptor(Val, State) ->
[
?PackagesToken,
?LBRKT_INDENT(State),
enc_list([{Val, fun enc_PackagesItem/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_PackagesItem(Val, State)
when is_record(Val, 'PackagesItem') ->
PkgdName = ?META_ENC(package, Val#'PackagesItem'.packageName),
[
enc_Name(PkgdName, State),
"-",
enc_UINT16(Val#'PackagesItem'.packageVersion, State)
].
enc_StatisticsDescriptor({'StatisticsDescriptor',Val}, State) ->
enc_StatisticsDescriptor(Val, State);
enc_StatisticsDescriptor(List, State) when is_list(List) ->
[
?StatsToken,
?LBRKT_INDENT(State),
enc_list([{List, fun enc_StatisticsParameter/2}], ?INC_INDENT(State)),
?RBRKT_INDENT(State)
].
enc_StatisticsParameter(Val, State)
when is_record(Val, 'StatisticsParameter') ->
PkgdName = ?META_ENC(statistics, Val#'StatisticsParameter'.statName),
case Val#'StatisticsParameter'.statValue of
asn1_NOVALUE ->
[
enc_PkgdName(PkgdName, State)
];
[StatVal] when is_list(StatVal) ->
[
enc_PkgdName(PkgdName, State),
?EQUAL,
enc_Value(StatVal, State)
]
end.
enc_TimeNotation(Val, State)
when is_record(Val, 'TimeNotation') ->
[
enc_STRING(Val#'TimeNotation'.date, State, 8, 8), % "yyyymmdd"
"T",
enc_STRING(Val#'TimeNotation'.time, State, 8, 8) % "hhmmssss"
].
%% BUGBUG: Does not verify that string must contain at least one char
%% BUGBUG: This violation of the is required in order to comply with
%% BUGBUG: the dd/ce ds parameter that may possibly be empty.
enc_Value({'Value',Val}, State) ->
enc_Value(Val, State);
enc_Value(String, _State) ->
case quoted_string_count(String, 0, true, false) of
{_, 0, _} ->
[?DQUOTE, String, ?DQUOTE];
{false, _, _} ->
[?DQUOTE, String, ?DQUOTE];
{true, _, _} ->
[String]
end.
quoted_string_count([?DoubleQuoteToken | T], 0 = Count, _IsSafe, _MaybeQuoted) ->
%% Already a quoted string. Make sure it ends
quoted_string_count(T, Count + 1, true, true);
quoted_string_count([?DoubleQuoteToken], Count, IsSafe, true = MaybeQuoted) ->
%% An explicitly quoted string
{IsSafe, Count, MaybeQuoted};
quoted_string_count([H | T], Count, IsSafe, MaybeQuoted) ->
case ?classify_char(H) of
safe_char_upper -> quoted_string_count(T, Count + 1, IsSafe, MaybeQuoted);
safe_char -> quoted_string_count(T, Count + 1, IsSafe, MaybeQuoted);
rest_char -> quoted_string_count(T, Count + 1, false, MaybeQuoted);
white_space -> quoted_string_count(T, Count + 1, false, MaybeQuoted);
_ -> error({illegal_char, H})
end;
quoted_string_count([], _Count, _IsSafe, true = _MaybeQuoted) ->
error({illegal_char, ?DoubleQuoteToken});
quoted_string_count([], Count, IsSafe, MaybeQuoted) ->
{IsSafe, Count, MaybeQuoted}.
enc_DigitString(String, _State) when is_list(String) ->
[?DQUOTE, String, ?DQUOTE].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Encode an octet string, escape } by \ if necessary
enc_OCTET_STRING(List, State, Min, Max) ->
do_enc_OCTET_STRING(List, State, Min, Max, 0).
do_enc_OCTET_STRING([H | T], State, Min, Max, Count) ->
case H of
$} ->
[$\\, H | do_enc_OCTET_STRING(T, State, Min, Max, Count + 1)];
_ ->
[H | do_enc_OCTET_STRING(T, State, Min, Max, Count + 1)]
end;
do_enc_OCTET_STRING([], _State, Min, Max, Count) ->
verify_count(Count, Min, Max),
[].
enc_QUOTED_STRING(String, _State) when is_list(String) ->
case quoted_string_count(String, 0, true, false) of
{_IsSafe, Count, false = _QuotedString} ->
verify_count(Count, 1, infinity),
[?DQUOTE, String, ?DQUOTE];
{_IsSafe, Count, true = _QuotedString} ->
verify_count(Count, 3, infinity), % quotes not included in the count
[String]
end.
%% The internal format of hex digits is a list of octets
%% Min and Max means #hexDigits
%% Leading zeros are prepended in order to fulfill Min
enc_HEXDIG(Octets, State, Min, Max) when is_list(Octets) ->
do_enc_HEXDIG(Octets, State, Min, Max, 0, []).
do_enc_HEXDIG([Octet | Rest], State, Min, Max, Count, Acc)
when (Octet >= 0) andalso (Octet =< 255) ->
Hex = hex(Octet), % OTP-4921
if
Octet =< 15 ->
Acc2 = [[$0|Hex]|Acc], % OTP-4921
do_enc_HEXDIG(Rest, State, Min, Max, Count + 2, Acc2);
true ->
Acc2 = [Hex|Acc], % OTP-4921
do_enc_HEXDIG(Rest, State, Min, Max, Count + 2, Acc2)
end;
do_enc_HEXDIG([], State, Min, Max, Count, Acc)
when is_integer(Min) andalso (Count < Min) ->
do_enc_HEXDIG([0], State, Min, Max, Count, Acc);
do_enc_HEXDIG([], _State, Min, Max, Count, Acc) -> %% OTP-4710
verify_count(Count, Min, Max),
lists:reverse(Acc).
enc_DIGIT(Val, State, Min, Max) ->
enc_integer(Val, State, Min, Max).
enc_STRING(String, _State, Min, Max) when is_list(String) ->
verify_count(length(String), Min, Max),
String.
enc_UINT16(Val, State) ->
enc_integer(Val, State, 0, 65535).
enc_UINT32(Val, State) ->
enc_integer(Val, State, 0, 4294967295).
enc_integer(Val, _State, Min, Max) ->
verify_count(Val, Min, Max),
integer_to_list(Val).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Encodes a list of elements with separator tokens between
%% the elements. Optional asn1_NOVALUE values are ignored.
enc_list(List, State) ->
enc_list(List, State, fun(_S) -> ?COMMA_INDENT(_S) end, false).
enc_list([], _State, _SepEncoder, _NeedsSep) ->
[];
enc_list([{Elems, ElemEncoder} | Tail], State, SepEncoder, NeedsSep) ->
case do_enc_list(Elems, State, ElemEncoder, SepEncoder, NeedsSep) of
[] ->
enc_list(Tail, State, SepEncoder, NeedsSep);
List ->
[List,
enc_list(Tail, State, SepEncoder, true)]
end;
enc_list(A, B, C, D) ->
error({invlid_list, A, B, C, D}).
do_enc_list(asn1_NOVALUE, _State, _ElemEncoder, _SepEncoder, _NeedsSep) ->
[];
do_enc_list([], _State, _ElemEncoder, _SepEncoder, _NeedsSep) ->
[];
do_enc_list([asn1_NOVALUE | T], State, ElemEncoder, SepEncoder, NeedsSep) ->
do_enc_list(T, State, ElemEncoder, SepEncoder, NeedsSep);
do_enc_list([H | T], State, ElemEncoder, SepEncoder, NeedsSep)
when is_function(ElemEncoder) andalso is_function(SepEncoder) ->
case ElemEncoder(H, State) of
[] ->
do_enc_list(T, State, ElemEncoder, SepEncoder, NeedsSep);
List when NeedsSep =:= true ->
[SepEncoder(State),
List, do_enc_list(T, State, ElemEncoder, SepEncoder, true)];
List when NeedsSep =:= false ->
[List,
do_enc_list(T, State, ElemEncoder, SepEncoder, true)]
end.
%% Add brackets if list is non-empty
enc_opt_brackets([], _State) ->
[];
enc_opt_brackets(List, _State) when is_list(List) ->
[?LBRKT_INDENT(_State), List, ?RBRKT_INDENT(_State)].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Int -> list of hex chars
hex(Int) ->
hexi(get_lo_bits(Int, 4), []).
hexi({0, Lo}, Ack) ->
[hex4(Lo) | Ack];
hexi({Hi, Lo} , Ack) ->
hexi(get_lo_bits(Hi, 4), [hex4(Lo) | Ack]).
hex4(Int) when Int < 10 ->
Int + $0;
hex4(Int) ->
($A - 10) + Int.
get_lo_bits(Int, Size) ->
Lo = Int band ones_mask(Size),
Hi = Int bsr Size,
{Hi, Lo}.
ones_mask(Ones) ->
(1 bsl Ones) - 1.
%% Verify that Count is within the range of Min and Max
verify_count(Count, Min, Max) ->
if
is_integer(Count) ->
if
is_integer(Min) andalso (Count >= Min) ->
if
is_integer(Max) andalso (Count =< Max) ->
Count;
Max =:= infinity ->
Count;
true ->
error({count_too_large, Count, Max})
end;
true ->
error({count_too_small, Count, Min})
end;
true ->
error({count_not_an_integer, Count})
end.
% d(F) ->
% d(F, []).
% d(F, A) ->
% %% d(get(dbg), F, A).
% d(true, F, A).
% d(true, F, A) ->
% io:format("DBG:~p:" ++ F ++ "~n", [?MODULE|A]);
% d(_, _, _) ->
% ok.