%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2017. 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%
%%
%%
%%--------------------------------------------------------------------
%% File: corba.erl
%%
%% Description:
%% This file contains the CORBA::ORB interface plus some
%% Orber specific functions.
%%-----------------------------------------------------------------
-module(corba).
-include_lib("orber/include/corba.hrl").
-include_lib("orber/src/orber_iiop.hrl").
%%-----------------------------------------------------------------
%% Standard interface CORBA
%%-----------------------------------------------------------------
-export([orb_init/1, orb_init/2]).
%%-----------------------------------------------------------------
%% Standard interface CORBA::ORB
%%-----------------------------------------------------------------
-export([%create_list/2,
%create_operation_list/2,
%% get_default_context/1,
%% 'BOA_init/2,
resolve_initial_references/1,
resolve_initial_references/2,
resolve_initial_references_local/1,
list_initial_services/0,
add_initial_service/2,
remove_initial_service/1,
resolve_initial_references_remote/2,
resolve_initial_references_remote/3,
list_initial_services_remote/1,
list_initial_services_remote/2,
object_to_string/1, object_to_string/2,
object_to_string/3, object_to_string/4,
string_to_object/1,
string_to_object/2]).
%%-----------------------------------------------------------------
%% External exports
%%-----------------------------------------------------------------
-export([create/2,
create/3,
create/4,
create_link/2,
create_link/3,
create_link/4,
create_remote/3,
create_remote/5,
create_link_remote/3,
create_link_remote/5,
create_nil_objref/0,
dispose/1,
create_subobject_key/2,
get_subobject_key/1,
get_pid/1,
raise/1, raise_with_state/2,
print_object/1,
print_object/2,
add_alternate_iiop_address/3,
add_FTGroup_component/4,
add_FTPrimary_component/1,
call_internal/10]).
%%-----------------------------------------------------------------
%% Internal (inside orber implementation) exports
%%-----------------------------------------------------------------
-export([call/4, call/5, reply/2,
cast/4, cast/5, locate/1, locate/2, locate/3,
request_from_iiop/6,
common_create/5,
mk_objkey/4,
mk_light_objkey/2,
objkey_to_string/1,
string_to_objkey/1,
string_to_objkey_local/1,
call_relay/3,
cast_relay/2,
handle_init/2,
handle_terminate/3,
handle_info/3,
handle_code_change/4,
handle_call/7,
handle_call/10,
handle_cast/9,
handle_cast/6,
get_implicit_context/1]).
%%-----------------------------------------------------------------
%% Internal definitions
%%-----------------------------------------------------------------
-define(DEBUG_LEVEL, 5).
-record(is, {flags = 0}).
%% Defines possible configuration parameters a user can add when
%% creating new CORBA objects.
-record(options, {sup_child = false,
persistent = false,
regname = [],
pseudo = false,
object_flags = ?ORB_INIT_FLAGS,
object_flags_set = ?ORB_INIT_FLAGS,
create_options = [],
passive = false,
group_id = 0,
internal_state}).
-record(extra, {timeout = infinity,
context = []}).
%%--------------------------------------------------------------------
%% FT stuff
%%--------------------------------------------------------------------
-define(IDL_MODULES, [oe_TimeBase,
oe_CosEventComm,
oe_CosEventChannelAdmin,
oe_CosNotification,
oe_CosNotifyComm,
oe_CosNotifyFilter,
oe_GIOP]).
-define(groupid_to_table(Integer),
list_to_atom("ft_" ++ integer_to_list(Integer))).
-define(RM_TABLE_SPEC,
[{attributes, record_info(fields, ft_replication_manager)}]).
-define(RO_TABLE_SPEC,
[{attributes, record_info(fields, ft_replicated_object)}]).
-define(RR_TABLE_SPEC,
[{attributes, record_info(fields, ft_reply_retention)}]).
%% how long we're allowed to wait for database tables to be available.
-define(TABLE_TIMEOUT, infinite).
%-record(rm_state, {default_options, type_options, node_port_ips}).
%-record(node_port_ip, {node, port, ip}).
-record(ft_replication_manager, {object_group_id,
type_id,
primary,
iogr,
ref_version,
options}).
-record(ft_replicated_object, {group_id, state}).
-record(ft_reply_retention, {retention_id, reply}).
%-record(ft_properties, {replications_style,
% membership_style,
% consistency_style,
% initial_number_replicas,
% minimum_number_replicas}).
% one should change things work with stdlib:proplist and clean up the mess.
%-record(ft_criteria, {ft_properties,
% object_location,
% object_init,
% object_impl}).
%%------------------------------------------------------------
%%
%% Implementation of CORBA CORBA::ORB interfaces
%%
%%------------------------------------------------------------
%%create_list(Count) ->
%% corba_nvlist:create_list(Count).
%%create_operation_list(OpDef) ->
%% corba_nvlist:create_operation_list(OpDef).
orb_init(KeyValueList) ->
orb_init(KeyValueList, "ORBER").
orb_init([], _Name) ->
ok;
orb_init(KeyValueList, _Name) ->
orber:multi_configure(KeyValueList).
%%-----------------------------------------------------------------
%% Initial reference handling
%%-----------------------------------------------------------------
resolve_initial_references(ObjectId) ->
resolve_initial_references(ObjectId, []).
resolve_initial_references(ObjectId, Ctx) ->
case use_local_host(ObjectId) of
true ->
orber_initial_references:get(ObjectId);
Ref ->
string_to_object(Ref, Ctx)
end.
resolve_initial_references_local(ObjectId) ->
orber_initial_references:get(ObjectId).
list_initial_services() ->
Local = orber_initial_references:list(),
case orber:get_ORBInitRef() of
undefined ->
Local;
InitRef ->
orber_tb:unique(Local ++ get_prefixes(InitRef, []))
end.
get_prefixes([], Acc) ->
Acc;
%% A list of ORBInitRef's
get_prefixes([H|T], Acc) when is_list(H) ->
[Key|_] = string:tokens(H, "="),
get_prefixes(T, [Key|Acc]);
%% A single ORBInitRef
get_prefixes(InitRef, _Acc) when is_list(InitRef) ->
[Key|_] = string:tokens(InitRef, "="),
[Key];
get_prefixes(What, _) ->
orber:dbg("[~p] corba:get_prefixes(~p);~nMalformed argument?",
[?LINE, What], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status = ?COMPLETED_NO}).
use_local_host(ObjectId) ->
case orber:get_ORBInitRef() of
undefined ->
case orber:get_ORBDefaultInitRef() of
undefined ->
true;
DefRef ->
DefRef++"/"++ObjectId
end;
InitRef ->
case check_prefixes(InitRef, ObjectId) of
false ->
case orber:get_ORBDefaultInitRef() of
undefined ->
true;
DefRef ->
DefRef++"/"++ObjectId
end;
UseRef ->
strip_junk(UseRef)
end
end.
check_prefixes([], _) ->
false;
%% A list of ORBInitRef's
check_prefixes([H|T], ObjectId) when is_list(H) ->
case prefix(ObjectId, H) of
false ->
check_prefixes(T, ObjectId);
UseRef ->
UseRef
end;
%% A single ORBInitRef
check_prefixes(InitRef, ObjectId) when is_list(InitRef) ->
case prefix(ObjectId, InitRef) of
false ->
false;
UseRef ->
UseRef
end;
check_prefixes(What,_) ->
orber:dbg("[~p] corba:check_prefixes(~p);~nMalformed argument?",
[?LINE, What], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status = ?COMPLETED_NO}).
%% Valid is, for example, "NameService = corbaloc::host/NameService".
%% Hence, we must remove ' ' and '='.
strip_junk([32|T]) ->
strip_junk(T);
strip_junk([$=|T]) ->
strip_junk(T);
strip_junk(Ref) ->
Ref.
add_initial_service(ObjectId, ObjectRef) ->
orber_initial_references:add(ObjectId, ObjectRef).
remove_initial_service(ObjectId) ->
orber_initial_references:remove(ObjectId).
resolve_initial_references_remote(ObjectId, Address) ->
resolve_initial_references_remote(ObjectId, Address, []).
resolve_initial_references_remote(_ObjectId, [], _Ctx) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO});
resolve_initial_references_remote(ObjectId, [RemoteModifier| Rest], Ctx)
when is_list(RemoteModifier) ->
case parse_remote_modifier(RemoteModifier) of
{error, _} ->
resolve_initial_references_remote(ObjectId, Rest, Ctx);
{ok, Host, Port} ->
IOR = iop_ior:create_external(orber:giop_version(), "",
Host, list_to_integer(Port), "INIT"),
%% We know it's an external referens. Hence, no need to check.
{_, Key} = iop_ior:get_key(IOR),
orber_iiop:request(Key, 'get', [ObjectId],
{{'tk_objref', 12, "object"},
[{'tk_string', 0}],
[]}, 'true', infinity, IOR, Ctx)
end.
list_initial_services_remote(Address) ->
list_initial_services_remote(Address, []).
list_initial_services_remote([], _Ctx) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO});
list_initial_services_remote([RemoteModifier| Rest], Ctx) when is_list(RemoteModifier) ->
case parse_remote_modifier(RemoteModifier) of
{error, _} ->
resolve_initial_references_remote(Rest, Ctx);
{ok, Host, Port} ->
IOR = iop_ior:create_external(orber:giop_version(), "",
Host, list_to_integer(Port), "INIT"),
%% We know it's an external referens. Hence, no need to check.
{_, Key} = iop_ior:get_key(IOR),
orber_iiop:request(Key, 'list', [],
{{'tk_sequence', {'tk_string',0},0},
[], []}, 'true', infinity, IOR, Ctx)
end;
list_initial_services_remote(_, _) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
parse_remote_modifier("iiop://" ++ Rest) ->
parse_host_version(Rest);
parse_remote_modifier(_RemoteModifier) ->
{error, not_supported}.
parse_host_version("[" ++ Rest) ->
parse_ipv6(Rest, []);
parse_host_version(Rest) ->
parse_ipv4_or_dnsname(Rest, []).
parse_ipv4_or_dnsname([$: |Rest], Acc) ->
{ok, lists:reverse(Acc), Rest};
parse_ipv4_or_dnsname([C |Rest], Acc) ->
parse_ipv4_or_dnsname(Rest, [C |Acc]).
parse_ipv6("]:" ++ Rest, Acc) ->
{ok, lists:reverse(Acc), Rest};
parse_ipv6([C |Rest], Acc) ->
parse_ipv6(Rest, [C |Acc]).
%%-----------------------------------------------------------------
%% Objectreference convertions
%%-----------------------------------------------------------------
object_to_string(Object) ->
iop_ior:string_code(Object).
object_to_string(Object, [H|_] = Hosts) when is_list(H) ->
iop_ior:string_code(Object, Hosts);
object_to_string(_Object, _Hosts) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
object_to_string(Object, [H|_] = Hosts, Port) when is_list(H) andalso
is_integer(Port) ->
iop_ior:string_code(Object, Hosts, Port);
object_to_string(_Object, _Hosts, _Port) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
object_to_string(Object, [H|_] = Hosts, Port, SSLPort) when is_list(H) andalso
is_integer(Port) andalso
is_integer(SSLPort)->
iop_ior:string_code(Object, Hosts, Port, SSLPort);
object_to_string(_Object, _Hosts, _Port, _SSLPort) ->
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
string_to_object(IORString) ->
string_to_object(IORString, []).
string_to_object(IORString, Ctx) when is_list(Ctx) ->
case lists:prefix("IOR", IORString) of
true ->
{ObjRef, _, _} = iop_ior:string_decode(IORString),
ObjRef;
_ ->
%% CORBA-2.4 allows both IOR and ior prefix.
case lists:prefix("ior", IORString) of
true ->
{ObjRef, _, _} = iop_ior:string_decode(IORString),
ObjRef;
_ ->
Data = orber_cosnaming_utils:select_type(IORString),
case orber_cosnaming_utils:lookup(Data, Ctx) of
String when is_list(String) ->
{Obj, _, _} = iop_ior:string_decode(String),
Obj;
ObjRef ->
ObjRef
end
end
end;
string_to_object(IORString, Ctx) ->
orber:dbg("[~p] corba:string_to_object(~p, ~p);~n"
"Failed to supply a context list.",
[?LINE, IORString, Ctx], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
%%------------------------------------------------------------
%%
%% Implementation of NON-standard functions
%%
%%------------------------------------------------------------
create(Module, TypeID) ->
create(Module, TypeID, []).
create(Module, TypeID, Env) ->
common_create(Module, TypeID, Env, [], 'start').
create(Module, TypeID, Env, {Type, RegName}) ->
common_create(Module, TypeID, Env, [{regname, {Type, RegName}}], 'start');
create(Module, TypeID, Env, Options) ->
common_create(Module, TypeID, Env, Options, 'start').
create_link(Module, TypeID) ->
create_link(Module, TypeID, []).
create_link(Module, TypeID, Env) ->
common_create(Module, TypeID, Env, [], 'start_link').
create_link(Module, TypeID, Env, {Type, RegName}) ->
common_create(Module, TypeID, Env, [{regname, {Type, RegName}}], 'start_link');
create_link(Module, TypeID, Env, Options) ->
common_create(Module, TypeID, Env, Options, 'start_link').
create_remote(Node, Module, TypeID) ->
create_remote(Node, Module, TypeID, []).
create_remote(Node, Module, TypeID, Env) ->
common_create_remote(Node, Module, TypeID, Env, [], 'start').
create_remote(Node, Module, TypeID, Env, {Type, RegName}) ->
common_create_remote(Node, Module, TypeID, Env, [{regname, {Type, RegName}}], 'start');
create_remote(Node, Module, TypeID, Env, Options) ->
common_create_remote(Node, Module, TypeID, Env, Options, 'start').
create_link_remote(Node, Module, TypeID) ->
create_link_remote(Node, Module, TypeID, []).
create_link_remote(Node, Module, TypeID, Env) ->
common_create_remote(Node, Module, TypeID, Env, [], 'start_link').
create_link_remote(Node, Module, TypeID, Env, {Type, RegName}) ->
common_create_remote(Node, Module, TypeID, Env, [{regname, {Type, RegName}}], 'start_link');
create_link_remote(Node, Module, TypeID, Env, Options) ->
common_create_remote(Node, Module, TypeID, Env, Options, 'start_link').
common_create_remote(Node, Module, TypeID, Env, {Type, RegName}, StartMethod) ->
common_create_remote(Node, Module, TypeID, Env, [{regname, {Type, RegName}}], StartMethod);
common_create_remote(Node, Module, TypeID, Env, Options, StartMethod) ->
case node_check(Node) of
true ->
rpc:call(Node, corba, common_create, [Module, TypeID, Env, Options, StartMethod]);
_ ->
orber:dbg("[~p] corba:common_create_remote(~p);~n"
"Node not in current domain.", [?LINE, Node], ?DEBUG_LEVEL),
raise(#'OBJ_ADAPTER'{completion_status=?COMPLETED_NO})
end.
node_check(Node) ->
lists:member(Node,orber:orber_nodes()).
common_create(Module, _TypeID, Env, Options, StartMethod) when is_list(Options) ->
Opt = evaluate_options(Options, #options{}),
case Opt#options.regname of
[] ->
ok;
{'local', Atom} when is_atom(Atom) andalso Opt#options.persistent == false ->
ok;
{'global', _} ->
ok;
Why ->
orber:dbg("[~p] corba:common_create(~p, ~p);~n"
"Bad name type or combination(~p).",
[?LINE, Module, Options, Why], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_NO})
end,
case Opt of
#options{pseudo = false, passive = false} ->
case gen_server:StartMethod(Module, {Opt#options.object_flags, Env},
Opt#options.create_options) of
{ok, Pid} ->
case catch mk_objkey(Module, Pid, Opt#options.regname,
Opt#options.persistent,
Opt#options.object_flags) of
{'EXCEPTION', E} ->
%% This branch is only used if we couldn't register
%% our new objectkey due to an internal error in orber.
gen_server:call(Pid, stop),
raise(E);
{'EXIT', _} ->
%% This branch takes care of exit values
%% which aren't expected (due to bug).
gen_server:call(Pid, stop),
raise(#'BAD_PARAM'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_NO});
Objkey when Opt#options.sup_child == true ->
{ok, Pid, Objkey};
Objkey ->
Objkey
end;
X ->
X
end;
#options{pseudo = true, passive = false} ->
ModuleImpl = list_to_atom(lists:concat([Module, '_impl'])),
case ModuleImpl:init(Env) of
{ok, State} ->
create_subobject_key(mk_pseudo_objkey(Module, ModuleImpl,
Opt#options.object_flags),
State);
{ok, State,_} ->
create_subobject_key(mk_pseudo_objkey(Module, ModuleImpl,
Opt#options.object_flags),
State);
Reason ->
orber:dbg("[~p] corba:common_create(~p);~n"
"'init' function incorrect(~p).",
[?LINE, ModuleImpl, Reason], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_NO})
end;
#options{pseudo = false, passive = true} ->
ModuleImpl = list_to_atom(lists:concat([Module, '_impl'])),
create_subobject_key(mk_passive_objkey(Module, ModuleImpl,
Opt#options.object_flags),
?groupid_to_table(Opt#options.group_id));
What ->
orber:dbg("[~p] corba:common_create(~p, ~p);~n"
"not a boolean(~p).",
[?LINE, Module, Options, What], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_NO})
end.
%%----------------------------------------------------------------------
%% Function : dispose
%% Arguments : Object
%% Returns :
%% Description: Terminate the object represented by the supplied reference.
%%----------------------------------------------------------------------
dispose(?ORBER_NIL_OBJREF) ->
ok;
dispose(Obj) ->
corba_boa:dispose(Obj).
%%----------------------------------------------------------------------
%% Function : create_nil_objref
%% Arguments : -
%% Returns : A NIL object reference
%% Description:
%%----------------------------------------------------------------------
create_nil_objref() ->
?ORBER_NIL_OBJREF.
%%----------------------------------------------------------------------
%% Function : create_subobject_key
%% Arguments : A local object reference and an Erlang term().
%% Returns : A new instance of the supplied reference with the
%% sub-object field changed to the given value.
%% Description: Initially, this field is set to 'undefined'
%%----------------------------------------------------------------------
create_subobject_key(Objkey, B) when is_binary(B) ->
iop_ior:set_privfield(Objkey, B);
create_subobject_key(Objkey, T) ->
create_subobject_key(Objkey, term_to_binary(T)).
%%----------------------------------------------------------------------
%% Function : get_subobject_key
%% Arguments : A local object reference
%% Returns : Erlang term().
%% Description: Return the value set by using create_subobject_key/2
%%----------------------------------------------------------------------
get_subobject_key(Objkey) ->
iop_ior:get_privfield(Objkey).
%%----------------------------------------------------------------------
%% Function : get_pid
%% Arguments : A local object reference
%% Returns : If the object is local and is associated with a pid, this
%% pid is returned. Otherwise, external- or pseudo-object,
%% an exception is raised.
%% Description:
%%----------------------------------------------------------------------
get_pid(Objkey) ->
case iop_ior:get_key(Objkey) of
{'internal', Key, _, _, _} ->
orber_objectkeys:get_pid(Key);
{'internal_registered', Key, _, _, _} when is_atom(Key) ->
case whereis(Key) of
undefined ->
raise(#'OBJECT_NOT_EXIST'{completion_status=?COMPLETED_NO});
Pid ->
Pid
end;
R ->
orber:dbg("[~p] corba:get_pid(~p);~n"
"Probably a pseudo- or external object(~p).",
[?LINE, Objkey, R], ?DEBUG_LEVEL),
raise(#'INV_OBJREF'{completion_status=?COMPLETED_NO})
end.
%%----------------------------------------------------------------------
%% Function : raise
%% Arguments : Local exception representation.
%% Returns : Throws the exception.
%% Description:
%%----------------------------------------------------------------------
%% To avoid dialyzer warnings due to the use of exit/throw.
-spec raise(term()) -> no_return().
raise(E) ->
throw({'EXCEPTION', E}).
%%----------------------------------------------------------------------
%% Function : raise_with_state
%% Arguments : Local exception representation.
%% Returns : Throws the exception.
%% Description:
%%----------------------------------------------------------------------
%% To avoid dialyzer warnings due to the use of exit/throw.
-spec raise_with_state(term(), term()) -> no_return().
raise_with_state(E, State) ->
throw({reply, {'EXCEPTION', E}, State}).
%%----------------------------------------------------------------------
%% Function : reply
%% Arguments : To - pid
%% Reply - Erlang term().
%% Returns :
%% Description: Used to reply to the invoker but still be able
%% to do some more work in the callback module.
%%----------------------------------------------------------------------
reply(To, Reply) ->
gen_server:reply(To, Reply).
%%----------------------------------------------------------------------
%% Function : print_object
%% Arguments : An object represented as one of the following:
%% - local (tuple)
%% - IOR
%% - stringified IOR
%% - corbaloc- or corbaname-schema
%% IoDevice - the same as the io-module defines.
%% Returns :
%% Description: Prints the object's components and profiles.
%%----------------------------------------------------------------------
print_object(Object) ->
iop_ior:print(Object).
print_object(Object, IoDevice) ->
iop_ior:print(IoDevice, Object).
%%----------------------------------------------------------------------
%% Function : add_alternate_iiop_address
%% Arguments : Local object (tuple or IOR).
%% IP - IP-string
%% Port - integer().
%% Returns : A local IOR with a TAG_ALTERNATE_IIOP_ADDRESS component.
%% Description:
%%----------------------------------------------------------------------
add_alternate_iiop_address(Obj, Host, Port) when is_list(Host) andalso is_integer(Port) ->
TC = #'IOP_TaggedComponent'{tag = ?TAG_ALTERNATE_IIOP_ADDRESS,
component_data = #'ALTERNATE_IIOP_ADDRESS'{
'HostID' = Host,
'Port' = Port}},
iop_ior:add_component(Obj, TC);
add_alternate_iiop_address(_, Host, Port) ->
orber:dbg("[~p] corba:add_alternate_iiop_address(~p, ~p);~n"
"Incorrect argument(s). Host must be IP-string and Port an integer.",
[?LINE, Host, Port], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status = ?COMPLETED_NO}).
%%----------------------------------------------------------------------
%% Function : add_FTGroup_component
%% Arguments : Local object (tuple or IOR).
%% FTDomain - FT Domain. String().
%% GroupID - Replicated object group's id. Integer(). (ulonglong)
%% GroupVer - Object group's version number. Integer(). (ulong)
%% Returns : A local IOR with one TAG_FT_GROUP component.
%% Description:
%%----------------------------------------------------------------------
add_FTGroup_component(Obj, FTDomain, GroupID, GroupVer)
when is_list(FTDomain) andalso is_integer(GroupID) andalso is_integer(GroupVer) andalso
GroupID >= ?ULONGLONGMIN andalso GroupID =< ?ULONGLONGMAX andalso
GroupVer >= ?ULONGMIN andalso GroupVer =< ?ULONGMAX ->
TC = #'IOP_TaggedComponent'{tag = ?TAG_FT_GROUP,
component_data = #'FT_TagFTGroupTaggedComponent'{
version = #'GIOP_Version'{major = 1, minor = 0},
ft_domain_id = FTDomain,
object_group_id = GroupID,
object_group_ref_version = GroupVer}},
iop_ior:add_component(Obj, TC);
add_FTGroup_component(_Obj, FTDomain, GroupID, GroupVer) ->
orber:dbg("[~p] corba:add_FTGroup_component(~p, ~p, ~p);~n"
"Incorrect argument(s).",
[?LINE, FTDomain, GroupID, GroupVer], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status = ?COMPLETED_NO}).
%%----------------------------------------------------------------------
%% Function : add_FTPrimary_component
%% Arguments : Local object (tuple or IOR).
%% Returns : A local IOR with one TAG_FT_PRIMARY component.
%% Description:
%%----------------------------------------------------------------------
add_FTPrimary_component(Obj) ->
TC = #'IOP_TaggedComponent'{
tag=?TAG_FT_PRIMARY,
component_data=#'FT_TagFTPrimaryTaggedComponent'{primary = true}},
iop_ior:add_component(Obj, TC).
%%-----------------------------------------------------------------
%% Generic functions for accessing the call-back modules (i.e. X_impl.erl).
%% These functions are invoked by the generated stubs.
%%-----------------------------------------------------------------
handle_init(M, {Flags, Env}) ->
case M:init(Env) of
{ok, State} ->
{ok, {#is{flags = Flags}, State}};
{ok,State,Timeout} ->
{ok, {#is{flags = Flags}, State}, Timeout};
Other ->
%% E.g. ignore | {stop, Reason}
Other
end.
handle_terminate(M, Reason, {_InternalState, State}) ->
catch (M:terminate(Reason, State)).
handle_info(M, Info, {InternalState, State}) ->
case catch M:handle_info(Info, State) of
{noreply,NewState} ->
{noreply, {InternalState, NewState}};
{noreply, NewState, Timeout} ->
{noreply, {InternalState, NewState}, Timeout};
{stop, Reason, NewState} ->
{stop, Reason, {InternalState, NewState}};
{'EXIT', Why} ->
handle_exit(InternalState, State, Why, true,
{M, handle_info}, [Info, State])
end.
handle_code_change(M, OldVsn, {InternalState, State}, Extra) ->
{ok, NewState} = M:code_change(OldVsn, State, Extra),
{ok, {InternalState, NewState}}.
%% This function handles call Pre- & Post-conditions.
handle_call(M, F, A, {InternalState, State}, Ctx, This, From,
PreData, PostData, Stub) ->
CArgs = call_state(A, State, This, From),
case catch invoke_precond(PreData, Stub, F, CArgs) of
{'EXIT', Why} ->
handle_exit(InternalState, State, Why, false, PreData, [Stub, F, CArgs]);
{'EXCEPTION', E} ->
{reply, {'EXCEPTION', E}, {InternalState, State}};
ok ->
Result = handle_call2(M, F, CArgs, InternalState, State, Ctx),
case catch invoke_postcond(PostData, Stub, F, CArgs, Result) of
{'EXIT', Why} ->
handle_exit(InternalState, State, Why, false, PostData, A);
{'EXCEPTION', E} ->
{reply, {'EXCEPTION', E}, {InternalState, State}};
ok ->
Result
end
end.
invoke_precond(false, _, _, _) ->
ok;
invoke_precond({CondM, CondF}, Stub, F, CArgs) ->
CondM:CondF(Stub, F, CArgs).
%% We must remove the Internal State before invoking post-cond.
invoke_postcond(false, _, _, _, _) ->
ok;
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {reply, Reply, {_, NS}}) ->
CondM:CondF(Stub, F, CArgs, {reply, Reply, NS});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {reply, Reply, {_, NS}, Timeout}) ->
CondM:CondF(Stub, F, CArgs, {reply, Reply, NS, Timeout});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {stop, Reason, Reply, {_, NS}}) ->
CondM:CondF(Stub, F, CArgs, {stop, Reason, Reply, NS});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {stop, Reason, {_, NS}}) ->
CondM:CondF(Stub, F, CArgs, {stop, Reason, NS});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {noreply,{_, NS}}) ->
CondM:CondF(Stub, F, CArgs, {noreply,NS});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, {noreply,{_, NS}, Timeout}) ->
CondM:CondF(Stub, F, CArgs, {noreply, NS, Timeout});
invoke_postcond({CondM, CondF}, Stub, F, CArgs, Result) ->
CondM:CondF(Stub, F, CArgs, Result).
handle_call(M, F, A, {InternalState, State}, Ctx, This, From) ->
handle_call2(M, F, call_state(A, State, This, From), InternalState, State, Ctx).
handle_call2(M, F, A, InternalState, State, []) ->
case catch apply(M, F, A) of
{reply, Reply, NewState} ->
{reply, add_context(Reply), {InternalState, NewState}};
{reply, Reply, NewState, Timeout} ->
{reply, add_context(Reply), {InternalState, NewState}, Timeout};
{stop, Reason, Reply, NewState} ->
{stop, Reason, add_context(Reply), {InternalState, NewState}};
{stop, Reason, NewState} ->
{stop, Reason, {InternalState, NewState}};
{noreply,NewState} ->
{noreply,{InternalState, NewState}};
{noreply,NewState,Timeout} ->
{noreply,{InternalState, NewState},Timeout};
{'EXIT', Reason} ->
handle_exit(InternalState, State, Reason, false, {M, F}, A);
{'EXCEPTION', E} ->
{reply, add_context({'EXCEPTION', E}), {InternalState, State}};
{Reply, NewState} ->
{reply, add_context(Reply), {InternalState, NewState}}
end;
handle_call2(M, F, A, InternalState, State, Ctx) ->
%% Set the new Context.
put(oe_server_in_context, Ctx),
case catch apply(M, F, A) of
{reply, Reply, NewState} ->
put(oe_server_in_context, undefined),
{reply, add_context(Reply), {InternalState, NewState}};
{reply, Reply, NewState, Timeout} ->
put(oe_server_in_context, undefined),
{reply, add_context(Reply), {InternalState, NewState}, Timeout};
{stop, Reason, Reply, NewState} ->
{stop, Reason, add_context(Reply), {InternalState, NewState}};
{stop, Reason, NewState} ->
{stop, Reason, {InternalState, NewState}};
{noreply,NewState} ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, NewState}};
{noreply, {InternalState, NewState}, Timeout} ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, NewState},Timeout};
{'EXIT', Reason} ->
handle_exit(InternalState, State, Reason, false, {M, F}, A);
{'EXCEPTION', E} ->
put(oe_server_in_context, undefined),
{reply, add_context({'EXCEPTION', E}), {InternalState, State}};
{Reply, NewState} ->
put(oe_server_in_context, undefined),
{reply, add_context(Reply), {InternalState, NewState}}
end.
call_state(A, State, false, false) ->
[State|A];
call_state(A, State, false, From) ->
[From, State|A];
call_state(A, State, This, false) ->
[This, State|A];
call_state(A, State, This, From) ->
[This, From, State|A].
cast_state(A, State, false) ->
[State|A];
cast_state(A, State, This) ->
[This, State|A].
add_context(Reply) ->
%% Reset oe_server_out_context
case put(oe_server_out_context, undefined) of
undefined ->
Reply;
_OutCtx ->
%% The previous value wasn't 'undefined', which means that
%% the server supplied a return context.
Reply
end.
%% This function handles call Pre- & Post-conditions.
handle_cast(M, F, A, {InternalState, State}, Ctx, This, PreData, PostData, Stub) ->
CArgs = cast_state(A, State, This),
case catch invoke_precond(PreData, Stub, F, CArgs) of
{'EXIT', Why} ->
handle_exit(InternalState, State, Why, true, PreData, [Stub, F, CArgs]);
{'EXCEPTION', _} ->
{noreply, {InternalState, State}};
ok ->
Result = handle_cast2(M, F, CArgs, InternalState, State, Ctx),
case catch invoke_postcond(PostData, Stub, F, CArgs, Result) of
{'EXIT', Why} ->
handle_exit(InternalState, State, Why, true, PostData, A);
{'EXCEPTION', _} ->
{noreply, {InternalState, State}};
ok ->
Result
end
end.
handle_cast(M, F, A, {InternalState, State}, Ctx, This) ->
handle_cast2(M, F, cast_state(A, State, This), InternalState, State, Ctx).
handle_cast2(M, F, A, InternalState, State, []) ->
case catch apply(M, F, A) of
{noreply, NewState} ->
{noreply, {InternalState, NewState}};
{noreply, NewState, Timeout} ->
{noreply, {InternalState, NewState}, Timeout};
{stop, Reason, NewState} ->
{stop, Reason, {InternalState, NewState}};
{'EXCEPTION', _} ->
{noreply, {InternalState, State}};
{'EXIT', Reason} ->
handle_exit(InternalState, State, Reason, true, {M, F}, A);
NewState ->
{noreply, {InternalState, NewState}}
end;
handle_cast2(M, F, A, InternalState, State, Ctx) ->
put(oe_server_in_context, Ctx),
case catch apply(M, F, A) of
{noreply, NewState} ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, NewState}};
{noreply, NewState, Timeout} ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, NewState}, Timeout};
{stop, Reason, NewState} ->
{stop, Reason, {InternalState, NewState}};
{'EXCEPTION', _} ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, State}};
{'EXIT', Reason} ->
handle_exit(InternalState, State, Reason, true, {M, F}, A);
NewState ->
put(oe_server_in_context, undefined),
{noreply, {InternalState, NewState}}
end.
handle_exit(InternalState, State, {undef, [{M, F, _, _}|_]} = Reason,
OnewayOp, {M, F}, A) ->
case catch check_exports(M:module_info(exports), F) of
{'EXIT',{undef,_}} ->
%% No such module.
orber:dbg("~p.beam doesn't exist.~n"
"Check IC compile options (e.g. 'impl') and that the~n"
"beam-file is load-able.",
[M], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_MAYBE});
"" ->
orber:dbg("~p:~p/~p doesn't exist.~n"
"Check spelling, export-attributes etc",
[M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 2),
completion_status=?COMPLETED_MAYBE});
Exports when is_list(Exports) ->
orber:dbg("~p:~p/~p doesn't exist.~n"
"~p:~p~s do exists.~nCheck export-attributes etc",
[M, F, length(A), M, F, Exports], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 3),
completion_status=?COMPLETED_MAYBE});
_ ->
%% Should never happen
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE})
end;
handle_exit(InternalState, State, {undef, [{M2, F2, A2, _}|_]} = Reason,
OnewayOp, {M, F}, A) ->
case catch check_exports(M2:module_info(exports), F2) of
{'EXIT',{undef,_}} ->
%% No such module.
orber:dbg("~p.beam doesn't exist.~n"
"~p:~p/~p invoked an operation on the module above.~n"
"Check IC compile options and that the beam-file is load-able.",
[M2, M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 5),
completion_status=?COMPLETED_MAYBE});
"" ->
orber:dbg("~p:~p/~p doesn't exist.~n"
"~p:~p/~p invoked the operation above~n"
"Check spelling, export-attributes etc",
[M2, F2, length(A2), M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 6),
completion_status=?COMPLETED_MAYBE});
Exports when is_list(Exports) ->
orber:dbg("~p:~p/~p doesn't exist.~n"
"~p:~p~s do exist(s).~nCheck export-attributes etc~n"
"~p:~p/~p invoked the operation above~n",
[M2, F2, length(A2), M2, F2, Exports, M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_MAYBE});
_ ->
%% Should never happen
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE})
end;
%% Misc errors. We separate between direct and in-direct errors. Due to different
%% notation we must separate between different cases.
handle_exit(InternalState, State, {{case_clause,_}, [{M, F, _}|_]} = Reason,
OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p/~p contains a 'case_clause' error.",
[M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 8),
completion_status=?COMPLETED_MAYBE});
handle_exit(InternalState, State, {Reason, [{M, F, _}|_]}, OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p/~p contains a '~p' error.",
[M, F, length(A), Reason], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 8),
completion_status=?COMPLETED_MAYBE});
handle_exit(InternalState, State, {function_clause, [{M2, F2, A2}|_]} = Reason,
OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p/~p contains a 'function_clause' error.~n"
"Invoked via the operation:~n"
"~p:~p/~p",
[M2, F2, length(A2), M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 9),
completion_status=?COMPLETED_MAYBE});
handle_exit(InternalState, State, {{case_clause,_}, [{M2, F2, A2}|_]} = Reason,
OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p/~p contains a 'case_clause' error.~n"
"Invoked via the operation:~n"
"~p:~p/~p",
[M2, F2, A2, M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 9),
completion_status=?COMPLETED_MAYBE});
handle_exit(InternalState, State, {Reason, [{M2, F2, A2}|_]} = Reason,
OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p/~p contains a '~p' error.~n"
"Invoked via the operation:~n"
"~p:~p/~p",
[M2, F2, A2, Reason, M, F, length(A)], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 9),
completion_status=?COMPLETED_MAYBE});
handle_exit(InternalState, State, Reason, OnewayOp, {M, F}, A) ->
orber:dbg("~p:~p(~p) ->~n"
" {EXIT, ~p}~n",
[M, F, A, Reason], ?DEBUG_LEVEL),
reply_after_exit(InternalState, State, Reason, OnewayOp,
#'OBJ_ADAPTER'{minor=(?ORBER_VMCID bor 10),
completion_status=?COMPLETED_MAYBE}).
reply_after_exit(#is{flags = Flags} = InternalState, State,
Reason, OnewayOp, Exc) ->
case ?ORB_FLAG_TEST(Flags, ?ORB_SURVIVE_EXIT) of
false ->
exit(Reason);
true when OnewayOp == false ->
put(oe_server_in_context, undefined),
{reply, {'EXCEPTION', Exc}, {InternalState, State}};
true ->
%% One-way operation. Cannot return exception.
put(oe_server_in_context, undefined),
{noreply, {InternalState, State}}
end.
check_exports(Exports, Op) ->
check_exports(Exports, Op, []).
check_exports([], _, Acc) ->
Acc;
check_exports([{Op, Arity}|Rest], Op, Acc) ->
check_exports(Rest, Op, Acc ++ "/" ++ integer_to_list(Arity));
check_exports([_|Rest], Op, Acc) ->
check_exports(Rest, Op, Acc).
%%-----------------------------------------------------------------
%% Corba:call - the function for reqests
%%-----------------------------------------------------------------
call(Obj, Func, Args, TypesOrMod) ->
call_helper(Obj, Func, Args, TypesOrMod, infinity, []).
call(Obj, Func, Args, TypesOrMod, [{context, Ctx}]) ->
call_helper(Obj, Func, Args, TypesOrMod, infinity, Ctx);
call(Obj, Func, Args, TypesOrMod, [{timeout, Timeout}]) ->
call_helper(Obj, Func, Args, TypesOrMod, Timeout, []);
call(Obj, Func, Args, TypesOrMod, Extra) when is_list(Extra) ->
ExtraData = extract_extra_data(Extra, #extra{}),
call_helper(Obj, Func, Args, TypesOrMod, ExtraData#extra.timeout,
ExtraData#extra.context);
call(Obj, Func, Args, TypesOrMod, Timeout) ->
call_helper(Obj, Func, Args, TypesOrMod, Timeout, []).
call_helper(Obj, Func, Args, TypesOrMod, Timeout, InCtx) ->
Ctx = get_implicit_context(InCtx),
case iop_ior:get_key(Obj) of
{'internal', Key, _, Flags, Mod} ->
Pid = orber_objectkeys:get_pid(Key),
call_internal(Pid, Obj, Func, Args, TypesOrMod,
?ORB_FLAG_TEST(Flags, ?ORB_TYPECHECK),
?ORB_FLAG_TEST(Flags, ?ORB_USE_PI), Mod, Timeout, Ctx);
{'internal_registered', Key, _, Flags, Mod} ->
call_internal(Key, Obj, Func, Args, TypesOrMod,
?ORB_FLAG_TEST(Flags, ?ORB_TYPECHECK),
?ORB_FLAG_TEST(Flags, ?ORB_USE_PI), Mod, Timeout, Ctx);
{'external', Key} when is_atom(TypesOrMod) ->
case catch TypesOrMod:oe_tc(Func) of
{'EXIT', What} ->
orber:dbg("[~p] corba:call_helper(~p);~n"
"The call-back module does not exist or"
" incorrect IC-version used.~nReason: ~p",
[?LINE, TypesOrMod, What], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_NO});
undefined ->
raise(#'BAD_OPERATION'{minor = (?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO});
Types ->
orber_iiop:request(Key, Func, Args, Types, 'true', Timeout, Obj, Ctx)
end;
{'external', Key} ->
orber_iiop:request(Key, Func, Args, TypesOrMod, 'true', Timeout, Obj, Ctx)
end.
get_implicit_context([]) ->
case get(oe_server_in_context) of
undefined ->
[];
ImplCtx ->
ImplCtx
end;
get_implicit_context(Ctx) ->
case get(oe_server_in_context) of
undefined ->
Ctx;
ImplCtx ->
%% Both defined. An explicit interface context overrides
%% an implicit.
case check_for_interface_ctx(Ctx) of
false ->
ImplCtx;
true ->
remove_interface_ctx(ImplCtx, Ctx)
end
end.
check_for_interface_ctx([]) ->
false;
check_for_interface_ctx([#'IOP_ServiceContext'
{context_id=?ORBER_GENERIC_CTX_ID,
context_data = {interface, _I}}|_]) ->
true;
check_for_interface_ctx([_|T]) ->
check_for_interface_ctx(T).
remove_interface_ctx([], Acc) ->
Acc;
remove_interface_ctx([#'IOP_ServiceContext'
{context_id=?ORBER_GENERIC_CTX_ID,
context_data = {interface, _I}}|T], Acc) ->
remove_interface_ctx(T, Acc);
remove_interface_ctx([H|T], Acc) ->
remove_interface_ctx(T, [H|Acc]).
extract_extra_data([], ED) ->
ED;
extract_extra_data([{context, Ctx}|T], ED) ->
extract_extra_data(T, ED#extra{context = Ctx});
extract_extra_data([{timeout, Timeout}|T], ED) ->
extract_extra_data(T, ED#extra{timeout = Timeout}).
call_internal(Pid, Obj, Func, Args, Types, Check, PI, Mod, Timeout, Ctx)
when is_pid(Pid) andalso node(Pid) == node() ->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
case catch gen_server:call(Pid, {Obj, Ctx, Func, Args}, Timeout) of
{'EXCEPTION', E} ->
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
typecheck_reply(Check, {'EXCEPTION', E}, Mod, Func),
raise(E);
{'EXIT',{timeout, _}} ->
Exc = #'TIMEOUT'{completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
{'EXIT',R} ->
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~ncall exit(~p).",
[?LINE, Func, Args, Types, R], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
Res ->
invoke_pi_reply(PI, Obj, Ctx, Func, Res),
typecheck_reply(Check, Res, Types, Func),
Res
end;
call_internal(Pid, Obj, Func, Args, Types, Check, PI,
_Mod, Timeout, Ctx) when is_pid(Pid) ->
typecheck_request(Check, Args, Types, Func),
case catch rpc:call(node(Pid), corba, call_relay,
[Pid, {Obj, Ctx, Func, Args}, Timeout]) of
{'EXCEPTION', E} ->
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
typecheck_reply(Check, {'EXCEPTION', E}, Types, Func),
raise(E);
{badrpc, {'EXIT',R}} ->
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~ncall exit(~p).",
[?LINE, Func, Args, Types, R], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 3),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
{badrpc,nodedown} ->
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~nNode ~p down.",
[?LINE, Func, Args, Types, node(Pid)], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 2),
completion_status=?COMPLETED_NO},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
{badrpc, Reason} ->
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~n"
"Unable to invoke operation due to: ~p",
[?LINE, Func, Args, Types, Reason], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 5),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
Res ->
invoke_pi_reply(PI, Obj, Ctx, Func, Res),
typecheck_reply(Check, Res, Types, Func),
Res
end;
%% This case handles if the reference is created as a Pseudo object.
%% Just call apply/3.
call_internal({pseudo, Module}, Obj, Func, Args, Types, Check, PI,
_Mod, _Timeout, Ctx) ->
OldCtx = put(oe_server_in_context, Ctx),
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
State = binary_to_term(get_subobject_key(Obj)),
case catch apply(Module, Func, [Obj, State|Args]) of
{noreply, _} ->
put(oe_server_in_context, OldCtx),
ok;
{noreply, _, _} ->
put(oe_server_in_context, OldCtx),
ok;
{reply, Reply, _} ->
put(oe_server_in_context, OldCtx),
invoke_pi_reply(PI, Obj, Ctx, Func, Reply),
typecheck_reply(Check, Reply, Types, Func),
Reply;
{reply, Reply, _, _} ->
put(oe_server_in_context, OldCtx),
invoke_pi_reply(PI, Obj, Ctx, Func, Reply),
typecheck_reply(Check, Reply, Types, Func),
Reply;
{stop, _, Reply, _} ->
put(oe_server_in_context, OldCtx),
invoke_pi_reply(PI, Obj, Ctx, Func, Reply),
typecheck_reply(Check, Reply, Types, Func),
Reply;
{stop, _, _} ->
put(oe_server_in_context, OldCtx),
ok;
{'EXCEPTION', E} ->
put(oe_server_in_context, OldCtx),
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
typecheck_reply(Check, {'EXCEPTION', E}, Types, Func),
raise(E);
{'EXIT', What} ->
put(oe_server_in_context, OldCtx),
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~n"
"Pseudo object exit(~p).",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
Unknown ->
put(oe_server_in_context, OldCtx),
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p);~n"
"Pseudo object failed due to bad return value (~p).",
[?LINE, Func, Args, Types, Unknown], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 6),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc)
end;
call_internal({passive, Module}, Obj, Func, Args, Types, Check, PI,
Mod, Timeout, Ctx) ->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
GroupID = binary_to_term(get_subobject_key(Obj)),
Transaction =
fun() ->
ObjectGroup = read_object_group(GroupID),
call_primary_protected(ObjectGroup, Module, Obj,
Func, Args, GroupID,
get_FTRequestCtx(Ctx))
end,
case mnesia:transaction(Transaction) of
{atomic, Reply} ->
%% this check should be inside transaction so that
%% failing typecheck_reply would result in transaction
%% abortion. Or not. call_internal(Registered...) does not
%% cancel the state transition even if the result isn't type compliant.
%% So, we do likewise.
typecheck_reply(Check, Reply, Mod, Func),
Reply;
{aborted, {not_primary, Primary, _}} ->
FTRequestCtx = mk_FTRequestCtx(10000000),
case rpc:call(Primary, corba, call_internal,
[{passive, Module}, Obj, Func, Args,
Types, Check, PI, Mod, Timeout,
[FTRequestCtx|Ctx]]) of
{badrpc, Reason} ->
orber:dbg("[~p] corba:call_passive(~p, ~p, ~p); ~n"
" badrpc(~p).",
[?LINE, Func, Args, Types, Reason],?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=0,
completion_status=?COMPLETED_MAYBE});
%% one should keep trying request_duration_policy_value -time.
{'EXCEPTION', E} ->
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
raise(E);
Reply ->
%% is this typecheck_reply neccessary? The check is made
%% on the remote node...
invoke_pi_reply(PI, Obj, Ctx, Func, Reply),
typecheck_reply(Check, Reply, Mod, Func),
Reply
%% generate RetentionID's and call Primary node with flag that tells
%% the node not to escalate rpc call's to next node if the primary
%% has changed again.
%% raise({not_primary, Primary});
end;
{aborted, {throw, {'EXCEPTION', E}}} ->
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
typecheck_reply(Check, {'EXCEPTION', E}, Mod, Func),
raise(E);
{aborted, {'EXIT', What}} ->
orber:dbg("[~p] corba:call_passive(~p, ~p, ~p); " ++
"Passive object exit(~p).",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
{aborted, Unknown} ->
orber:dbg("[~p] corba:call_passive(~p, ~p, ~p); " ++
"Passive object failed due to bad return value (~p).",
[?LINE, Func, Args, Types, Unknown], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 6),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc)
end;
call_internal(Registered, Obj, Func, Args, Types, Check, PI,
_Mod, Timeout, Ctx) when is_atom(Registered)->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
case whereis(Registered) of
undefined ->
Exc = #'OBJECT_NOT_EXIST'{completion_status=?COMPLETED_NO},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
P ->
case catch gen_server:call(P, {Obj, Ctx, Func, Args}, Timeout) of
{'EXCEPTION', E} ->
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', E}),
typecheck_reply(Check, {'EXCEPTION', E}, Types, Func),
raise(E);
{'EXIT',{timeout, _}} ->
Exc = #'TIMEOUT'{completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
{'EXIT',R} ->
orber:dbg("[~p] corba:call_internal(~p, ~p, ~p).~n"
"call exit(~p).",
[?LINE, Func, Args, Types, R], ?DEBUG_LEVEL),
Exc = #'TRANSIENT'{minor=(?ORBER_VMCID bor 5),
completion_status=?COMPLETED_MAYBE},
invoke_pi_reply(PI, Obj, Ctx, Func, {'EXCEPTION', Exc}),
raise(Exc);
Res ->
invoke_pi_reply(PI, Obj, Ctx, Func, Res),
typecheck_reply(Check, Res, Types, Func),
Res
end
end.
invoke_pi_request(false, _Obj, _Ctx, _Func, _Args) ->
ok;
invoke_pi_request(_, Obj, Ctx, Func, Args) ->
case orber:get_cached_interceptors() of
{native, PIs} ->
orber_pi:out_request(PIs, Obj, Ctx, Func, "localhost", Args);
_ ->
ok
end.
invoke_pi_reply(false, _Obj, _Ctx, _Func, _Res) ->
ok;
invoke_pi_reply(_, Obj, Ctx, Func, Res) ->
case orber:get_cached_interceptors() of
{native, PIs} ->
orber_pi:in_reply(PIs, Obj, Ctx, Func, "localhost", Res);
_ ->
ok
end.
typecheck_request(false, _, _, _) ->
ok;
typecheck_request(true, Args, Mod, Func) when is_atom(Mod) ->
case catch Mod:oe_tc(Func) of
undefined ->
raise(#'BAD_OPERATION'{minor = (?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO});
{'EXIT', What} ->
orber:dbg("[~p] corba:typecheck_request(~p, ~p, ~p);~n"
"The call-back module does not exist or incorrect"
"IC-version used.~nReason: ~p",
[?LINE, Mod, Func, Args, What], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_NO});
Types ->
typecheck_request_helper(Types, Args, Mod, Func)
end;
typecheck_request(true, Args, Types, Func) ->
typecheck_request_helper(Types, Args, Types, Func).
typecheck_request_helper(Types, Args, Mod, Func) ->
case catch cdr_encode:validate_request_body(
#giop_env{version = {1,2}, tc = Types, parameters = Args,
host = orber:host(), iiop_port = orber:iiop_port(),
iiop_ssl_port = orber:iiop_ssl_port(),
domain = orber:domain(),
partial_security = orber:partial_security(),
flags = orber:get_flags()}) of
{'EXCEPTION', E} ->
{_, TC, _} = Types,
error_logger:error_msg("========= Orber Typecheck Request =========~n"
"Invoked......: ~p:~p/~p~n"
"Typecode.....: ~p~n"
"Arguments....: ~p~n"
"Result.......: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), TC, Args, {'EXCEPTION', E}]),
raise(E);
{'EXIT',R} ->
{_, TC, _} = Types,
error_logger:error_msg("========= Orber Typecheck Request =========~n"
"Invoked......: ~p:~p/~p~n"
"Typecode.....: ~p~n"
"Arguments....: ~p~n"
"Result.......: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), TC, Args, {'EXIT',R}]),
raise(#'MARSHAL'{completion_status=?COMPLETED_MAYBE});
_ ->
ok
end.
typecheck_reply(true, Args, Mod, Func) when is_atom(Mod) ->
case catch Mod:oe_tc(Func) of
undefined ->
raise(#'BAD_OPERATION'{minor = (?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO});
{'EXIT', What} ->
orber:dbg("[~p] corba:typecheck_reply(~p, ~p, ~p);~n"
"The call-back module does not exist or incorrect"
" IC-version used.~nReason: ~p",
[?LINE, Mod, Func, Args, What], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_NO});
Types ->
typecheck_reply_helper(Types, Args, Mod, Func)
end;
typecheck_reply(true, Args, Types, Func) ->
typecheck_reply_helper(Types, Args, Types, Func);
typecheck_reply(_, _, _, _) ->
ok.
typecheck_reply_helper(Types, Args, Mod, Func) ->
case catch cdr_encode:validate_reply_body(
#giop_env{version = {1,2}, tc = Types,
host = orber:host(), iiop_port = orber:iiop_port(),
iiop_ssl_port = orber:iiop_ssl_port(),
domain = orber:domain(),
partial_security = orber:partial_security(),
flags = orber:get_flags()}, Args) of
{'tk_except', ExcType, ExcTC, {'EXCEPTION', E}} ->
{_, TC, _} = Types,
error_logger:error_msg("========== Orber Typecheck Reply ==========~n"
"Invoked........: ~p:~p/~p~n"
"Exception Type.: ~p~n"
"Typecode.......: ~p~n"
"Raised.........: ~p~n"
"Result.........: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), ExcType, ExcTC, Args, {'EXCEPTION', E}]),
raise(E);
{'EXCEPTION', E} ->
{RetType, TC, OutParams} = Types,
error_logger:error_msg("========== Orber Typecheck Reply ==========~n"
"Invoked......: ~p:~p/~p~n"
"Typecode.....: ~p~n"
"Reply........: ~p~n"
"Result.......: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), [RetType | OutParams], Args, {'EXCEPTION', E}]),
raise(E);
{'tk_except', ExcType, ExcTC, {'EXIT',R}} ->
{_, TC, _} = Types,
error_logger:error_msg("========== Orber Typecheck Reply ==========~n"
"Invoked........: ~p:~p/~p~n"
"Exception Type.: ~p~n"
"Typecode.......: ~p~n"
"Raised.........: ~p~n"
"Result.........: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), ExcType, ExcTC, Args, {'EXIT',R}]),
raise(#'MARSHAL'{completion_status=?COMPLETED_MAYBE});
{'EXIT',R} ->
{RetType, TC, OutParams} = Types,
error_logger:error_msg("========== Orber Typecheck Reply ==========~n"
"Invoked........: ~p:~p/~p~n"
"Typecode.......: ~p~n"
"Reply..........: ~p~n"
"Result.........: ~p~n"
"===========================================~n",
[Mod, Func, length(TC), [RetType | OutParams], Args, {'EXIT',R}]),
raise(#'MARSHAL'{completion_status=?COMPLETED_MAYBE});
_ ->
ok
end.
call_relay(Pid, Data, Timeout) ->
case whereis(orber_objkeyserver) of
undefined ->
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 1), completion_status=?COMPLETED_MAYBE});
_ ->
case catch gen_server:call(Pid, Data, Timeout) of
{'EXCEPTION', E} ->
raise(E);
{'EXIT',{timeout, _}} ->
raise(#'TIMEOUT'{completion_status=?COMPLETED_MAYBE});
{'EXIT',R} ->
orber:dbg("[~p] corba:call_internal(~p);~n"
"call exit(~p).", [?LINE, Data, R], ?DEBUG_LEVEL),
exit(R);
Res ->
Res
end
end.
%%-----------------------------------------------------------------
%% Corba:cast - the function for ONEWAY requests
%%-----------------------------------------------------------------
cast(Obj, Func, Args, TypesOrMod) ->
cast_helper(Obj, Func, Args, TypesOrMod, []).
cast(Obj, Func, Args, TypesOrMod, [{context, Ctx}]) ->
cast_helper(Obj, Func, Args, TypesOrMod, Ctx).
cast_helper(Obj, Func, Args, TypesOrMod, InCtx) ->
Ctx = get_implicit_context(InCtx),
case iop_ior:get_key(Obj) of
{'internal', Key, _, Flags, Mod} ->
Pid = orber_objectkeys:get_pid(Key),
cast_internal(Pid, Obj, Func, Args, TypesOrMod,
?ORB_FLAG_TEST(Flags, ?ORB_TYPECHECK),
?ORB_FLAG_TEST(Flags, ?ORB_USE_PI), Mod, Ctx);
{'internal_registered', Key, _, Flags, Mod} ->
cast_internal(Key, Obj, Func, Args, TypesOrMod,
?ORB_FLAG_TEST(Flags, ?ORB_TYPECHECK),
?ORB_FLAG_TEST(Flags, ?ORB_USE_PI), Mod, Ctx);
{'external', Key} when is_atom(TypesOrMod) ->
case catch TypesOrMod:oe_tc(Func) of
{'EXIT', What} ->
orber:dbg("[~p] corba:cast_helper(~p);~n"
"The call-back module does not exist or incorrect"
" IC-version used.~nReason: ~p",
[?LINE, TypesOrMod, What], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_NO});
undefined ->
raise(#'BAD_OPERATION'{minor = (?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO});
Types ->
orber_iiop:request(Key, Func, Args, Types, 'false', infinity,
Obj, Ctx)
end;
{'external', Key} ->
orber_iiop:request(Key, Func, Args, TypesOrMod, 'false', infinity,
Obj, Ctx)
end.
cast_internal(Pid, Obj, Func, Args, Types, Check, PI, _Mod, Ctx)
when is_pid(Pid) andalso node(Pid) == node() ->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
catch gen_server:cast(Pid, {Obj, Ctx, Func, Args}),
ok;
cast_internal(Pid, Obj, Func, Args, Types, Check, PI, Mod, Ctx) when is_pid(Pid) ->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
case catch rpc:call(node(Pid), corba, cast_relay, [Pid, {Obj, Ctx, Func, Args}]) of
{'EXCEPTION', E} ->
typecheck_reply(Check, {'EXCEPTION', E}, Mod, Func),
raise(E);
{badrpc, {'EXIT', _R}} ->
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 3),
completion_status=?COMPLETED_MAYBE});
{badrpc,nodedown} ->
orber:dbg("[~p] corba:cast_internal(~p, ~p, ~p);~nNode ~p down.",
[?LINE, Func, Args, Types, node(Pid)], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 2),
completion_status=?COMPLETED_NO});
Other ->
orber:dbg("[~p] corba:cast_internal(~p, ~p, ~p);~n"
"Communication with node: ~p failed with reason: ~p.",
[?LINE, Func, Args, Types, node(Pid), Other], ?DEBUG_LEVEL),
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 5),
completion_status=?COMPLETED_MAYBE})
end;
%% This case handles if the reference is created as a Pseudo object.
%% Just call apply/3.
cast_internal({pseudo, Module}, Obj, Func, Args, Types, Check, PI, _Mod, Ctx) ->
OldCtx = put(oe_server_in_context, Ctx),
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
State = binary_to_term(get_subobject_key(Obj)),
catch apply(Module, Func, [Obj, State|Args]),
put(oe_server_in_context, OldCtx),
ok;
cast_internal(Registered, Obj, Func, Args, Types, Check, PI, _Mod, Ctx) ->
invoke_pi_request(PI, Obj, Ctx, Func, Args),
typecheck_request(Check, Args, Types, Func),
case whereis(Registered) of
undefined ->
raise(#'OBJECT_NOT_EXIST'{completion_status=?COMPLETED_NO});
P ->
gen_server:cast(P, {Obj, Ctx, Func, Args})
end.
cast_relay(Pid, Data) ->
case whereis(orber_objkeyserver) of
undefined ->
raise(#'TRANSIENT'{minor=(?ORBER_VMCID bor 1),
completion_status=?COMPLETED_NO});
_ ->
gen_server:cast(Pid, Data)
end.
%%-----------------------------------------------------------------
%% Corba:locate - this function is for the moment just used for tests
%%-----------------------------------------------------------------
locate(Obj) ->
locate(Obj, infinity, []).
locate(Obj, Timeout) ->
locate(Obj, Timeout, []).
locate(Obj, Timeout, Ctx) ->
case iop_ior:get_key(Obj) of
{'external', Key} ->
orber_iiop:locate(Key, Timeout, Obj, Ctx);
_ ->
orber_objectkeys:check(iop_ior:get_objkey(Obj))
end.
%%-----------------------------------------------------------------
%% Incomming request from iiop
%%-----------------------------------------------------------------
%% Operations which do not allow object invokation.
request_from_iiop(Obj, '_is_a', [Args], _, _, _) ->
catch corba_object:is_a(Obj, Args);
%% First the OMG specified this operation to be '_not_existent' and then
%% changed it to '_non_existent' without suggesting that both must be supported.
%% See CORBA2.3.1 page 15-34, Minor revision 2.3.1: October 1999
request_from_iiop(Obj, '_not_existent', _, _, _, _) ->
catch corba_object:non_existent(Obj);
request_from_iiop(Obj, '_non_existent', _, _, _, _) ->
catch corba_object:non_existent(Obj);
request_from_iiop(_, '_FT_HB', _, _, _, _) ->
ok;
%% "Ordinary" operations.
request_from_iiop({Mod, _, _, _, _, _}, oe_get_interface,
_, _, _, _ServiceCtx) when is_atom(Mod) ->
case catch Mod:oe_get_interface() of
{'EXIT', What} ->
orber:dbg("[~p] corba:request_from_iiop(~p);~n"
"The call-back module does not exist or"
" incorrect IC-version used.~nReason: ~p",
[?LINE, Mod, What], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 7),
completion_status=?COMPLETED_NO}};
undefined ->
{'EXCEPTION', #'BAD_OPERATION'{minor = (?ORBER_VMCID bor 4),
completion_status='COMPLETED_NO'}};
Interface ->
Interface
end;
request_from_iiop({_Mod, pseudo, Module, _UserDef, _OrberDef, _Flags} = ObjRef,
Func, Args, Types, ResponseExpected, _ServiceCtx) ->
State = binary_to_term(get_subobject_key(ObjRef)),
case ResponseExpected of
true ->
case catch apply(Module, Func, [ObjRef, State|Args]) of
{noreply, _} ->
ok;
{noreply, _, _} ->
ok;
{reply, Reply, _} ->
Reply;
{reply, Reply, _, _} ->
Reply;
{stop, _, Reply, _} ->
Reply;
{stop, _, _} ->
ok;
{'EXCEPTION', E} ->
{'EXCEPTION', E};
{'EXIT', {undef, _}} ->
orber:dbg("[~p] corba:request_from_iiop(~p, ~p, ~p);~n"
"The call-back module does not exist.",
[?LINE, Func, Args, Types], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_NO}};
{'EXIT', What} ->
orber:dbg("[~p] corba:request_from_iiop(~p, ~p, ~p);~n"
"Pseudo object exit(~p).~n"
"The call-back module probably contain an error.",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE}};
Unknown ->
orber:dbg("[~p] corba:request_from_iiop(~p, ~p, ~p);~n"
"Pseudo object failed(~p);~n"
"Confirm that the return value is correct"
" (e.g. {reply, Reply, State})",
[?LINE, Func, Args, Types, Unknown], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 6),
completion_status=?COMPLETED_MAYBE}}
end;
false ->
catch apply(Module, Func, [ObjRef, State|Args]),
ok;
true_oneway ->
catch apply(Module, Func, [ObjRef, State|Args]),
ok
end;
% FOR PASSIVE REPLICATION! (Response IS expected --- one way semantics doesn't
% really mix with intentions to be consistent & fault tolerant.)
request_from_iiop({_Mod, passive, Module, _UserDef, _OrberDef, _Flags} = ObjRef,
Func, Args, Types, true, Ctx) ->
GroupID = binary_to_term(get_subobject_key(ObjRef)),
FTGroupVersionCtx = get_FTGroupVersionCtx(Ctx),
Transaction =
fun() ->
ObjectGroup = read_object_group(GroupID),
check_version_context(ObjectGroup,
FTGroupVersionCtx),
call_primary_protected(ObjectGroup,
Module,
ObjRef,
Func,
Args,
GroupID,
get_FTRequestCtx(Ctx))
end,
case mnesia:transaction(Transaction) of
{atomic, Reply} ->
Reply;
{aborted, {too_old_reference, IOGR}} ->
{oe_location_forward_perm, IOGR};
{aborted, {not_primary, _Primary, IOGR}} ->
case FTGroupVersionCtx of
[] ->
{oe_location_forward_perm, IOGR};
_ ->
{'EXCEPTION', #'TRANSIENT'{minor = 0,
completion_status = ?COMPLETED_NO}}
end;
{aborted, {throw, {'EXCEPTION', E}}} ->
{'EXCEPTION', E};
{aborted, {'EXIT', What}} ->
orber:dbg("[~p] corba:call_passive(~p, ~p, ~p);~n"
"Passive object exit(~p).",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor = 0,
completion_status=?COMPLETED_MAYBE}};
{aborted, Unknown} ->
orber:dbg("[~p] corba:call_passive(~p, ~p, ~p);~n"
"Passive object failed due to bad return value (~p).",
[?LINE, Func, Args, Types, Unknown], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor = 0,
completion_status=?COMPLETED_MAYBE}}
end;
request_from_iiop({_Mod, _Type, Key, _UserDef, _OrberDef, _Flags} = ObjRef,
Func, Args, Types, true, _ServiceCtx) ->
case catch gen_server:call(convert_key_to_pid(Key),
{ObjRef, [], Func, Args}, infinity) of
{'EXIT', What} ->
orber:dbg("[~p] corba:request_from_iiop(~p, ~p, ~p);~n"
"gen_server:call exit: ~p",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE}};
Result ->
Result
end;
request_from_iiop({_Mod, _Type, Key, _UserDef, _OrberDef, _Flags} = ObjRef,
Func, Args, Types, _, _ServiceCtx) ->
case catch gen_server:cast(convert_key_to_pid(Key),
{ObjRef, [], Func, Args}) of
{'EXIT', What} ->
orber:dbg("[~p] corba:request_from_iiop(~p, ~p, ~p);~n"
"gen_server:cast exit: ~p",
[?LINE, Func, Args, Types, What], ?DEBUG_LEVEL),
{'EXCEPTION', #'TRANSIENT'{minor=(?ORBER_VMCID bor 4),
completion_status=?COMPLETED_MAYBE}};
Result ->
Result
end.
%%------------------------------------------------------------
%% Internal stuff
%%------------------------------------------------------------
convert_key_to_pid(Key) when is_binary(Key) ->
orber_objectkeys:get_pid(Key);
convert_key_to_pid(Name) when is_atom(Name) ->
Name.
mk_objkey(Mod, Pid, RegName, Persistent) ->
mk_objkey(Mod, Pid, RegName, Persistent, 0).
mk_objkey(Mod, Pid, [], _, Flags) when is_pid(Pid) ->
Key = make_objkey(),
case orber_objectkeys:register(Key, Pid, false) of
ok ->
{Mod, 'key', Key, term_to_binary(undefined), 0, Flags};
R ->
orber:dbg("[~p] corba:mk_objkey(~p);~n"
"unable to store key(~p).", [?LINE, Mod, R], ?DEBUG_LEVEL),
raise(#'INTERNAL'{minor=(?ORBER_VMCID bor 2), completion_status=?COMPLETED_NO})
end;
mk_objkey(Mod, Pid, {'global', RegName}, Persitent, Flags) when is_pid(Pid) ->
Key = term_to_binary(RegName),
case orber_objectkeys:register(Key, Pid, Persitent) of
ok ->
{Mod, 'key', Key, term_to_binary(undefined), 0, Flags};
R ->
orber:dbg("[~p] corba:mk_objkey(~p, ~p);~n"
"unable to store key(~p).",
[?LINE, Mod, RegName, R], ?DEBUG_LEVEL),
raise(#'INTERNAL'{minor=(?ORBER_VMCID bor 2), completion_status=?COMPLETED_NO})
end;
mk_objkey(Mod, Pid, {'local', RegName}, Persistent, Flags) when is_pid(Pid) andalso is_atom(RegName) ->
register(RegName, Pid),
Key = make_objkey(),
case orber_objectkeys:register(Key, Pid, Persistent) of
ok ->
{Mod, 'registered', RegName, term_to_binary(undefined), 0, Flags};
R ->
orber:dbg("[~p] corba:mk_objkey(~p, ~p);~n"
"unable to store key(~p).",
[?LINE, Mod, RegName, R], ?DEBUG_LEVEL),
raise(#'INTERNAL'{minor=(?ORBER_VMCID bor 2), completion_status=?COMPLETED_NO})
end.
mk_light_objkey(Mod, RegName) ->
{Mod, 'registered', RegName, term_to_binary(undefined), 0, 0}.
mk_pseudo_objkey(Mod, Module, Flags) ->
{Mod, 'pseudo', Module, term_to_binary(undefined), 0, Flags}.
mk_passive_objkey(Mod, Module, Flags) ->
{Mod, 'passive', Module, term_to_binary(undefined), 0, Flags}.
make_objkey() ->
term_to_binary({{erlang:system_time(),
erlang:unique_integer()},
node()}).
objkey_to_string({_Mod, 'registered', 'orber_init', _UserDef, _OrberDef, _Flags}) ->
"INIT";
objkey_to_string({Mod, Type, Key, UserDef, OrberDef, Flags}) ->
orber:domain() ++ [ 7 | binary_to_list(term_to_binary({Mod, Type, Key, UserDef, OrberDef, Flags}))];
objkey_to_string(External_object_key) ->
External_object_key.
string_to_objkey("INIT") ->
{orber_initial_references, 'registered', 'orber_init', term_to_binary(undefined), 0, 0};
string_to_objkey(String) ->
case prefix(orber:domain(), String) of
[7 | Rest] ->
binary_to_term(list_to_binary(Rest));
_ ->
String
end.
%% This function may only be used when we know it's a local reference (i.e. target
%% key in a request; IOR's passed as argument or reply doesn't qualify)!
string_to_objkey_local("INIT") ->
{orber_initial_references, 'registered', 'orber_init', term_to_binary(undefined), 0, 0};
string_to_objkey_local(String) ->
case prefix(orber:domain(), String) of
[7 | Rest] ->
binary_to_term(list_to_binary(Rest));
_ ->
case resolve_initial_references(String) of
?ORBER_NIL_OBJREF ->
orber:dbg("[~p] corba:string_to_objkey_local(~p);~n"
"Invalid ObjektKey.", [?LINE, String], ?DEBUG_LEVEL),
?ORBER_NIL_OBJREF;
Object ->
{location_forward, Object}
end
end.
prefix([], L2) ->
L2;
prefix([E |L1], [E | L2]) ->
prefix(L1, L2);
prefix(_, _) ->
false.
evaluate_options([], Options) ->
GlobalFlags = orber:get_flags(),
Options2 = check_flag(Options, ?ORB_TYPECHECK,
?ORB_ENV_LOCAL_TYPECHECKING, GlobalFlags),
Options3 = check_flag(Options2, ?ORB_USE_PI, ?ORB_ENV_USE_PI, GlobalFlags),
check_flag(Options3, ?ORB_SURVIVE_EXIT, ?ORB_ENV_SURVIVE_EXIT, GlobalFlags);
%% Pseudo or not.
evaluate_options([{pseudo, false}|Rest], Options) ->
evaluate_options(Rest, Options);
evaluate_options([{pseudo, true}|Rest], #options{passive = false} = Options) ->
evaluate_options(Rest, Options#options{pseudo = true});
%% FT stuff
evaluate_options([{passive, true}|Rest], #options{pseudo = false} = Options) ->
evaluate_options(Rest, Options#options{passive = true});
evaluate_options([{group_id, ID}|Rest], Options) when is_integer(ID) ->
evaluate_options(Rest, Options#options{group_id = ID});
%% Options accepted by gen_server (e.g. dbg).
evaluate_options([{create_options, COpt}|Rest], Options) when is_list(COpt) ->
evaluate_options(Rest, Options#options{create_options = COpt});
%% When starting object as supervisor child.
evaluate_options([{sup_child, false}|Rest], Options) ->
evaluate_options(Rest, Options);
evaluate_options([{sup_child, true}|Rest], Options) ->
evaluate_options(Rest, Options#options{sup_child = true});
%% Persistent object-key
evaluate_options([{persistent, false}|Rest], Options) ->
evaluate_options(Rest, Options);
evaluate_options([{persistent, true}|Rest], Options) ->
evaluate_options(Rest, Options#options{persistent = true});
evaluate_options([{regname, []}|Rest], Options) ->
evaluate_options(Rest, Options);
evaluate_options([{regname, Name}|Rest], Options) ->
evaluate_options(Rest, Options#options{regname = Name});
evaluate_options([{survive_exit, false}|Rest],
#options{object_flags_set = FlagsSet} = Options) ->
%% This option overrides a global setting.
evaluate_options(Rest, Options#options{object_flags_set =
(?ORB_SURVIVE_EXIT bor FlagsSet)});
evaluate_options([{survive_exit, true}|Rest],
#options{object_flags = Flags,
object_flags_set = FlagsSet} = Options) ->
evaluate_options(Rest, Options#options{object_flags =
(?ORB_SURVIVE_EXIT bor Flags),
object_flags_set =
(?ORB_SURVIVE_EXIT bor FlagsSet)});
evaluate_options([{local_typecheck, false}|Rest],
#options{object_flags_set = FlagsSet} = Options) ->
%% This option overrides a global setting.
evaluate_options(Rest, Options#options{object_flags_set =
(?ORB_TYPECHECK bor FlagsSet)});
evaluate_options([{local_typecheck, true}|Rest],
#options{object_flags = Flags,
object_flags_set = FlagsSet} = Options) ->
evaluate_options(Rest, Options#options{object_flags = (?ORB_TYPECHECK bor Flags),
object_flags_set =
(?ORB_TYPECHECK bor FlagsSet)});
evaluate_options([{local_interceptors, false}|Rest],
#options{object_flags_set = FlagsSet} = Options) ->
%% This option overrides a global setting.
evaluate_options(Rest, Options#options{object_flags_set =
(?ORB_USE_PI bor FlagsSet)});
evaluate_options([{local_interceptors, true}|Rest],
#options{object_flags = Flags,
object_flags_set = FlagsSet} = Options) ->
evaluate_options(Rest, Options#options{object_flags = (?ORB_USE_PI bor Flags),
object_flags_set =
(?ORB_USE_PI bor FlagsSet)});
%% Temporary option.
evaluate_options([{no_security, true}|Rest],
#options{object_flags = Flags} = Options) ->
%% We do not allow this option to be set globally.
evaluate_options(Rest, Options#options{object_flags = (?ORB_NO_SECURITY bor Flags)});
evaluate_options([{no_security, false}|Rest], Options) ->
%% We do not allow this option to be set globally.
evaluate_options(Rest, Options);
evaluate_options([{Key, Value}|_], _) ->
orber:dbg("[~p] corba:evaluate_options(~p, ~p);~n"
"Option not recognized, illegal value or combination.~n"
"Allowed settings:~n"
"survive_exit.......: boolean()~n"
"sup_child..........: boolean()~n"
"persistent.........: boolean()~n"
"pseudo.............: boolean()~n"
"local_typecheck....: boolean()~n"
"local_interceptors.: boolean()~n"
"regname............: {local, atom()} | {global, term()}",
[?LINE, Key, Value], ?DEBUG_LEVEL),
raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO}).
check_flag(#options{object_flags = Flags,
object_flags_set = FlagsSet} = Options, Flag,
FlagConstant, GlobalFlags) ->
%% Option activated/deactived by a supplied option.
case ?ORB_FLAG_TEST(FlagsSet, Flag) of
true ->
Options;
false ->
%% Not the above. Globally defined?
case ?ORB_FLAG_TEST(GlobalFlags, FlagConstant) of
true ->
Options#options{object_flags = (Flag bor Flags)};
false ->
Options
end
end.
%%%%%%%%%%%%%%%%% FOR PASSIVE REPLICATION!
% Note should be called inside transaction. Does not catch exceptions.
% let's not allow corba:reply from transaction... (no {noreply, ...} messages)
% should the object be able to stop itself by returning {stop, ...}?
% how about corba:dispose then? Deleting table representing object group and
% corresponding entry in ft_replication_manager -table might just do the job?
% No {stop, ...} messages for now
% Exceptions falls through. They are expected to be caught by transaction in a
% form of {aborted, {throw, {'EXCEPTION', ...}}}
call_passive(Module, Obj, Func, Args, GroupID) ->
[Record] = mnesia:read(ft_replicated_object, GroupID, sticky_write),
State = Record#ft_replicated_object.state,
case apply(Module, Func, [Obj, State|Args]) of
{reply, Reply, NewState} ->
{Reply, NewState};
{reply, Reply, NewState, _} ->
{Reply, NewState}
end,
mnesia:write(ft_replicated_object,
#ft_replicated_object{group_id = GroupID, state = NewState},
sticky_write),
Reply.
% FTRequestCtx protected object call
% One should protect agains aged reply. If expirations_time is reached and
% request is retransmitted, one might return BAD_CONTEXT -exception!
call_RQprotected(Module, Obj, Func, Args, GroupID, RQCtx) ->
case mnesia:read(ft_reply_retention, RQCtx, sticky_write) of
% fresh request
[] ->
Reply = call_passive(Module, Obj, Func, Args, GroupID),
mnesia:write(ft_reply_retention,
#ft_reply_retention{retention_id= RQCtx,reply= Reply},
sticky_write),
Reply;
% retransmitted request
[#ft_reply_retention{reply = Reply}] ->
Reply
end.
% call_primary_protected. Protects agains calling non-primary node.
% normal case, without FTRequest Service Context
call_primary_protected(#ft_replication_manager{primary = Primary},
Module,
Obj,
Func,
Args,
GroupID,
[]) when Primary == node() ->
call_passive(Module, Obj, Func, Args, GroupID);
% normal case, with FTRequest Service Context
call_primary_protected(#ft_replication_manager{primary = Primary},
Module,
Obj,
Func,
Args,
GroupID,
RetentionID) when Primary == node() ->
call_RQprotected(Module, Obj, Func, Args, GroupID, RetentionID);
% case where primary resides in another node
call_primary_protected(#ft_replication_manager{primary = Primary,
iogr = IOGR},
_Module, _Obj, _Func, _Args, _GroupID, _) ->
mnesia:abort({not_primary, Primary, IOGR}).
% no context
check_version_context(_, []) ->
ok;
% client's IOGR is current.
check_version_context(#ft_replication_manager{ref_version = CurrentVer},
GroupVer) when CurrentVer == GroupVer ->
ok;
% client's IOGR is old.
check_version_context(#ft_replication_manager{ref_version = CurrentVer,
iogr = IOGR},
GroupVer) when CurrentVer > GroupVer ->
mnesia:abort({too_old_reference, IOGR});
% client's IOGR is too new!
check_version_context(#ft_replication_manager{ref_version = CurrentVer},
GroupVer) when CurrentVer < GroupVer ->
raise(#'INV_OBJREF'{completion_status = ?COMPLETED_NO}).
read_object_group(GroupID) ->
case mnesia:read({ft_replication_manager, GroupID}) of
[] ->
raise(#'OBJECT_NOT_EXIST'{completion_status = ?COMPLETED_NO});
[ObjectGroup] ->
ObjectGroup
end.
mk_FTRequestCtx(Expiration_time) ->
#'FT_FTRequestServiceContext'{
client_id = atom_to_list(node()),
retention_id = orber_request_number:get(),
expiration_time = Expiration_time}.
get_FTRequestCtx([#'FT_FTRequestServiceContext'
{client_id = Client_ID, retention_id = Retention_ID,
expiration_time = Expiration_time}|_Ctxs]) ->
{Client_ID, Retention_ID, Expiration_time};
get_FTRequestCtx([]) ->
[];
get_FTRequestCtx([_Ctx|Ctxs]) ->
get_FTRequestCtx(Ctxs).
get_FTGroupVersionCtx([#'FT_FTGroupVersionServiceContext'
{object_group_ref_version = Version}|_Ctxs]) ->
Version;
get_FTGroupVersionCtx([]) ->
[];
get_FTGroupVersionCtx([_Ctx|Ctxs]) ->
get_FTGroupVersionCtx(Ctxs).
