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-rw-r--r--lib/kernel/src/gen_sctp.erl32
1 files changed, 29 insertions, 3 deletions
diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl
index 6cebb7ab97..77ca26b845 100644
--- a/lib/kernel/src/gen_sctp.erl
+++ b/lib/kernel/src/gen_sctp.erl
@@ -27,7 +27,8 @@
-include("inet_sctp.hrl").
-export([open/0,open/1,open/2,close/1]).
--export([listen/2,connect/4,connect/5,connect_init/4,connect_init/5]).
+-export([listen/2,peeloff/2]).
+-export([connect/4,connect/5,connect_init/4,connect_init/5]).
-export([eof/2,abort/2]).
-export([send/3,send/4,recv/1,recv/2]).
-export([error_string/1]).
@@ -109,9 +110,11 @@ open() ->
| {ifaddr,IP}
| inet:address_family()
| {port,Port}
+ | {type,SockType}
| option(),
IP :: inet:ip_address() | any | loopback,
Port :: inet:port_number(),
+ SockType :: seqpacket | stream,
Socket :: sctp_socket().
open(Opts) when is_list(Opts) ->
@@ -134,9 +137,11 @@ open(X) ->
| {ifaddr,IP}
| inet:address_family()
| {port,Port}
+ | {type,SockType}
| option(),
IP :: inet:ip_address() | any | loopback,
Port :: inet:port_number(),
+ SockType :: seqpacket | stream,
Socket :: sctp_socket().
open(Port, Opts) when is_integer(Port), is_list(Opts) ->
@@ -161,17 +166,38 @@ close(S) ->
-spec listen(Socket, IsServer) -> ok | {error, Reason} when
Socket :: sctp_socket(),
IsServer :: boolean(),
+ Reason :: term();
+ (Socket, Backlog) -> ok | {error, Reason} when
+ Socket :: sctp_socket(),
+ Backlog :: integer(),
Reason :: term().
-listen(S, Flag) when is_port(S), is_boolean(Flag) ->
+listen(S, Backlog)
+ when is_port(S), is_boolean(Backlog);
+ is_port(S), is_integer(Backlog) ->
case inet_db:lookup_socket(S) of
{ok,Mod} ->
- Mod:listen(S, Flag);
+ Mod:listen(S, Backlog);
Error -> Error
end;
listen(S, Flag) ->
erlang:error(badarg, [S,Flag]).
+-spec peeloff(Socket, Assoc) -> {ok, NewSocket} | {error, Reason} when
+ Socket :: sctp_socket(),
+ Assoc :: #sctp_assoc_change{} | assoc_id(),
+ NewSocket :: sctp_socket(),
+ Reason :: term().
+
+peeloff(S, #sctp_assoc_change{assoc_id=AssocId}) when is_port(S) ->
+ peeloff(S, AssocId);
+peeloff(S, AssocId) when is_port(S), is_integer(AssocId) ->
+ case inet_db:lookup_socket(S) of
+ {ok,Mod} ->
+ Mod:peeloff(S, AssocId);
+ Error -> Error
+ end.
+
-spec connect(Socket, Addr, Port, Opts) -> {ok, Assoc} | {error, inet:posix()} when
Socket :: sctp_socket(),
Addr :: inet:ip_address() | inet:hostname(),