diff options
| -rw-r--r-- | lib/diameter/doc/src/diameter_sctp.xml | 3 | ||||
| -rw-r--r-- | lib/diameter/doc/src/diameter_tcp.xml | 13 | ||||
| -rw-r--r-- | lib/diameter/src/transport/diameter_sctp.erl | 53 | ||||
| -rw-r--r-- | lib/diameter/src/transport/diameter_tcp.erl | 90 | ||||
| -rw-r--r-- | lib/diameter/test/diameter_transport_SUITE.erl | 39 |
5 files changed, 109 insertions, 89 deletions
diff --git a/lib/diameter/doc/src/diameter_sctp.xml b/lib/diameter/doc/src/diameter_sctp.xml index 9b6d629f79..c9b74a9ec5 100644 --- a/lib/diameter/doc/src/diameter_sctp.xml +++ b/lib/diameter/doc/src/diameter_sctp.xml @@ -16,7 +16,7 @@ <header> <copyright> <year>2011</year> -<year>2016</year> +<year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -116,7 +116,6 @@ and port respectively.</p> Multiple <c>ip</c> options can be specified for a multihomed peer. If none are specified then the values of <c>Host-IP-Address</c> in the <c>diameter_service</c> record are used. -(In particular, one of these must be specified.) Option <c>port</c> defaults to 3868 for a listening transport and 0 for a connecting transport.</p> diff --git a/lib/diameter/doc/src/diameter_tcp.xml b/lib/diameter/doc/src/diameter_tcp.xml index 6ca280c52b..1d65d14257 100644 --- a/lib/diameter/doc/src/diameter_tcp.xml +++ b/lib/diameter/doc/src/diameter_tcp.xml @@ -170,14 +170,11 @@ that will not be forthcoming, which will eventually cause the RFC 3539 watchdog to take down the connection.</p> <p> -If an <c>ip</c> option is not specified then the first element of a -non-empty <c>Host-IP-Address</c> list in <c>Svc</c> provides the local -IP address. -If neither is specified then the default address selected by &gen_tcp; -is used. -In all cases, the selected address is either returned from -&start; or passed in a <c>connected</c> message over the transport -interface.</p> +The first element of a non-empty <c>Host-IP-Address</c> list in +<c>Svc</c> provides the local IP address if an <c>ip</c> option is not +specified. +The local address is either returned from&start; or passed in a +<c>connected</c> message over the transport interface.</p> </desc> </func> diff --git a/lib/diameter/src/transport/diameter_sctp.erl b/lib/diameter/src/transport/diameter_sctp.erl index c150252b78..91010105a3 100644 --- a/lib/diameter/src/transport/diameter_sctp.erl +++ b/lib/diameter/src/transport/diameter_sctp.erl @@ -156,12 +156,7 @@ start(T, Svc, Opts) = Svc, diameter_sctp_sup:start(), %% start supervisors on demand Addrs = Caps#diameter_caps.host_ip_address, - s(T, Addrs, Pid, lists:map(fun ip/1, Opts)). - -ip({ifaddr, A}) -> - {ip, A}; -ip(T) -> - T. + s(T, Addrs, Pid, Opts). %% A listener spawns transports either as a consequence of this call %% when there is not yet an association to assign it, or at comm_up on @@ -354,23 +349,35 @@ l([], Ref, T) -> %% open/3 open(Addrs, Opts, PortNr) -> - {LAs, Os} = addrs(Addrs, Opts), - {LAs, case gen_sctp:open(gen_opts(portnr(Os, PortNr))) of - {ok, Sock} -> - Sock; - {error, Reason} -> - x({open, Reason}) - end}. + case gen_sctp:open(gen_opts(portnr(addrs(Addrs, Opts), PortNr))) of + {ok, Sock} -> + {addrs(Sock), Sock}; + {error, Reason} -> + x({open, Reason}) + end. addrs(Addrs, Opts) -> - case proplists:split(Opts, [ip]) of - {[[]], _} -> - {Addrs, Opts ++ [{ip, A} || A <- Addrs]}; - {[As], Os} -> - LAs = [diameter_lib:ipaddr(A) || {ip, A} <- As], - {LAs, Os ++ [{ip, A} || A <- LAs]} + case lists:mapfoldl(fun ipaddr/2, false, Opts) of + {Os, true} -> + Os; + {_, false} -> + Opts ++ [{ip, A} || A <- Addrs] end. +ipaddr({K,A}, _) + when K == ifaddr; + K == ip -> + {{ip, ipaddr(A)}, true}; +ipaddr(T, B) -> + {T, B}. + +ipaddr(A) + when A == loopback; + A == any -> + A; +ipaddr(A) -> + diameter_lib:ipaddr(A). + portnr(Opts, PortNr) -> case proplists:get_value(port, Opts) of undefined -> @@ -379,6 +386,14 @@ portnr(Opts, PortNr) -> Opts end. +addrs(Sock) -> + case inet:socknames(Sock) of + {ok, As} -> + [A || {A,_} <- As]; + {error, Reason} -> + x({socknames, Reason}) + end. + %% x/1 x(Reason) -> diff --git a/lib/diameter/src/transport/diameter_tcp.erl b/lib/diameter/src/transport/diameter_tcp.erl index aa09a261a3..f1536f0865 100644 --- a/lib/diameter/src/transport/diameter_tcp.erl +++ b/lib/diameter/src/transport/diameter_tcp.erl @@ -143,8 +143,7 @@ -> {ok, pid(), [inet:ip_address()]} when Ref :: diameter:transport_ref(); ({connect, Ref}, #diameter_service{}, [connect_option()]) - -> {ok, pid(), [inet:ip_address()]} - | {ok, pid()} + -> {ok, pid()} when Ref :: diameter:transport_ref(). start({T, Ref}, Svc, Opts) -> @@ -259,22 +258,14 @@ i(#monitor{parent = Pid, transport = TPid} = S) -> i({listen, Ref, {Mod, Opts, Addrs}}) -> [_] = diameter_config:subscribe(Ref, transport), %% assert existence - {[LA, LP], Rest} = proplists:split(Opts, [ip, port]), - LAddrOpt = get_addr(LA, Addrs), - LPort = get_port(LP), - {ok, LSock} = Mod:listen(LPort, gen_opts(LAddrOpt, Rest)), - LAddr = laddr(LAddrOpt, Mod, LSock), + {[LP], Rest} = proplists:split(Opts, [port]), + {ok, LSock} = Mod:listen(get_port(LP), gen_opts(Addrs, Rest)), + {ok, {LAddr, _}} = sockname(Mod, LSock), true = diameter_reg:add_new({?MODULE, listener, {Ref, {LAddr, LSock}}}), proc_lib:init_ack({ok, self(), {LAddr, LSock}}), #listener{socket = LSock, module = Mod}. -laddr([], Mod, Sock) -> - {ok, {Addr, _Port}} = sockname(Mod, Sock), - Addr; -laddr([{ip, Addr}], _, _) -> - Addr. - ssl_opts([]) -> false; ssl_opts([{ssl_options, true}]) -> @@ -309,24 +300,16 @@ init(accept = T, Ref, Mod, Pid, Opts, Addrs, SvcPid) -> Sock; init(connect = T, Ref, Mod, Pid, Opts, Addrs, _SvcPid) -> - {[LA, RA, RP], Rest} = proplists:split(Opts, [ip, raddr, rport]), - LAddrOpt = get_addr(LA, Addrs), + {[RA, RP], Rest} = proplists:split(Opts, [raddr, rport]), RAddr = get_addr(RA), RPort = get_port(RP), - proc_lib:init_ack(init_rc(LAddrOpt)), - Sock = ok(connect(Mod, RAddr, RPort, gen_opts(LAddrOpt, Rest))), + proc_lib:init_ack({ok, self()}), + Sock = ok(connect(Mod, RAddr, RPort, gen_opts(Addrs, Rest))), publish(Mod, T, Ref, Sock), - up(Pid, {RAddr, RPort}, LAddrOpt, Mod, Sock), + up(Pid, {RAddr, RPort}, Mod, Sock), Sock. -init_rc([{ip, Addr}]) -> - {ok, self(), [Addr]}; -init_rc([]) -> - {ok, self()}. - -up(Pid, Remote, [{ip, _Addr}], _, _) -> - diameter_peer:up(Pid, Remote); -up(Pid, Remote, [], Mod, Sock) -> +up(Pid, Remote, Mod, Sock) -> {Addr, _Port} = ok(sockname(Mod, Sock)), diameter_peer:up(Pid, Remote, [Addr]). @@ -383,25 +366,41 @@ l([{{?MODULE, listener, {_, AS}}, LPid}], _, _) -> l([], Ref, T) -> diameter_tcp_sup:start_child({listen, Ref, T}). -%% get_addr/1 +%% addrs/2 +%% +%% Take the first address from the service if several are specified +%% and not address is configured. + +addrs(Addrs, Opts) -> + case lists:mapfoldr(fun ipaddr/2, [], Opts) of + {Os, [_]} -> + Os; + {_, []} -> + Opts ++ [{ip, A} || [A|_] <- [Addrs]]; + {_, As} -> + ?ERROR({invalid_addrs, As, Addrs}) + end. -get_addr(As) -> - diameter_lib:ipaddr(addr(As, [])). +ipaddr({K,A}, As) + when K == ifaddr; + K == ip -> + {{ip, ipaddr(A)}, [A | As]}; +ipaddr(T, B) -> + {T, B}. -%% get_addr/2 +ipaddr(A) + when A == loopback; + A == any -> + A; +ipaddr(A) -> + diameter_lib:ipaddr(A). -get_addr([], []) -> - []; -get_addr(As, Def) -> - [{ip, diameter_lib:ipaddr(addr(As, Def))}]. +%% get_addr/1 -%% Take the first address from the service if several are unspecified. -addr([], [Addr | _]) -> - Addr; -addr([{_, Addr}], _) -> - Addr; -addr(As, Addrs) -> - ?ERROR({invalid_addrs, As, Addrs}). +get_addr([{_, Addr}]) -> + diameter_lib:ipaddr(Addr); +get_addr(Addrs) -> + ?ERROR({invalid_addrs, Addrs}). %% get_port/1 @@ -414,10 +413,15 @@ get_port(Ps) -> %% gen_opts/2 -gen_opts(LAddrOpt, Opts) -> +gen_opts(Addrs, Opts) -> + gen_opts(addrs(Addrs, Opts)). + +%% gen_opts/1 + +gen_opts(Opts) -> {L,_} = proplists:split(Opts, [binary, packet, active]), [[],[],[]] == L orelse ?ERROR({reserved_options, Opts}), - [binary, {packet, 0}, {active, false}] ++ LAddrOpt ++ Opts. + [binary, {packet, 0}, {active, false} | Opts]. %% --------------------------------------------------------------------------- %% # ports/1 diff --git a/lib/diameter/test/diameter_transport_SUITE.erl b/lib/diameter/test/diameter_transport_SUITE.erl index 9d981d0a2b..284d2b9566 100644 --- a/lib/diameter/test/diameter_transport_SUITE.erl +++ b/lib/diameter/test/diameter_transport_SUITE.erl @@ -349,35 +349,40 @@ rand_bytes(N) -> %% start_connect/3 start_connect(Prot, PortNr, Ref) -> - {ok, TPid, [?ADDR]} = start_connect(Prot, - {connect, Ref}, - ?SVC([]), - [{raddr, ?ADDR}, - {rport, PortNr}, - {ip, ?ADDR}, - {port, 0}]), - ?RECV(?TMSG({TPid, connected, _})), + {ok, TPid} = start_connect(Prot, + {connect, Ref}, + ?SVC([]), + [{raddr, ?ADDR}, + {rport, PortNr}, + {ip, ?ADDR}, + {port, 0}]), + connected(Prot, TPid), TPid. +connected(sctp, TPid) -> + ?RECV(?TMSG({TPid, connected, _})); +connected(tcp, TPid) -> + ?RECV(?TMSG({TPid, connected, _, [?ADDR]})). + start_connect(sctp, T, Svc, Opts) -> - diameter_sctp:start(T, Svc, [{sctp_initmsg, ?SCTP_INIT} | Opts]); + {ok, TPid, [?ADDR]} + = diameter_sctp:start(T, Svc, [{sctp_initmsg, ?SCTP_INIT} | Opts]), + {ok, TPid}; start_connect(tcp, T, Svc, Opts) -> diameter_tcp:start(T, Svc, Opts). %% start_accept/2 start_accept(Prot, Ref) -> - {Mod, Opts} = tmod(Prot), - {ok, TPid, [?ADDR]} = Mod:start({accept, Ref}, - ?SVC([?ADDR]), - [{port, 0} | Opts]), + {ok, TPid, [?ADDR]} + = start_accept(Prot, {accept, Ref}, ?SVC([?ADDR]), [{port, 0}]), ?RECV(?TMSG({TPid, connected})), TPid. -tmod(sctp) -> - {diameter_sctp, [{sctp_initmsg, ?SCTP_INIT}]}; -tmod(tcp) -> - {diameter_tcp, []}. +start_accept(sctp, T, Svc, Opts) -> + diameter_sctp:start(T, Svc, [{sctp_initmsg, ?SCTP_INIT} | Opts]); +start_accept(tcp, T, Svc, Opts) -> + diameter_tcp:start(T, Svc, Opts). %% =========================================================================== |