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authorRaimo Niskanen <[email protected]>2011-09-02 10:29:58 +0200
committerRaimo Niskanen <[email protected]>2011-11-17 12:11:02 +0100
commit1cc7485467b1b4e9efd15259b58e1182d2e9723c (patch)
tree50335d97ee93ca653e6dcdb1f6712d4cd05d79f4 /lib/kernel
parent3b81d47f7f4415661d4371989637374567e2ab2a (diff)
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erts,kernel: Implement gen_sctp:peeloff/2
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/src/gen_sctp.erl18
-rw-r--r--lib/kernel/src/inet.erl16
-rw-r--r--lib/kernel/src/inet6_sctp.erl11
-rw-r--r--lib/kernel/src/inet_int.hrl3
-rw-r--r--lib/kernel/src/inet_sctp.erl11
5 files changed, 51 insertions, 8 deletions
diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl
index 3351796481..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]).
@@ -182,6 +183,21 @@ listen(S, Backlog)
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(),
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index 22056e6974..b60c68e3a1 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -1061,18 +1061,24 @@ fdopen(Fd, Opts, Protocol, Family, Type, Module) ->
%% socket stat
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-i() -> i(tcp), i(udp).
+i() -> i(tcp), i(udp), i(sctp).
i(Proto) -> i(Proto, [port, module, recv, sent, owner,
- local_address, foreign_address, state]).
+ local_address, foreign_address, state, type]).
i(tcp, Fs) ->
ii(tcp_sockets(), Fs, tcp);
i(udp, Fs) ->
- ii(udp_sockets(), Fs, udp).
+ ii(udp_sockets(), Fs, udp);
+i(sctp, Fs) ->
+ ii(sctp_sockets(), Fs, sctp).
ii(Ss, Fs, Proto) ->
- LLs = [h_line(Fs) | info_lines(Ss, Fs, Proto)],
+ LLs =
+ case info_lines(Ss, Fs, Proto) of
+ [] -> [];
+ InfoLines -> [h_line(Fs) | InfoLines]
+ end,
Maxs = foldl(
fun(Line,Max0) -> smax(Max0,Line) end,
duplicate(length(Fs),0),LLs),
@@ -1140,6 +1146,7 @@ info(S, F, Proto) ->
case prim_inet:gettype(S) of
{ok,{_,stream}} -> "STREAM";
{ok,{_,dgram}} -> "DGRAM";
+ {ok,{_,seqpacket}} -> "SEQPACKET";
_ -> " "
end;
fd ->
@@ -1191,6 +1198,7 @@ fmt_port(N, Proto) ->
%% Return a list of all tcp sockets
tcp_sockets() -> port_list("tcp_inet").
udp_sockets() -> port_list("udp_inet").
+sctp_sockets() -> port_list("sctp_inet").
%% Return all ports having the name 'Name'
port_list(Name) ->
diff --git a/lib/kernel/src/inet6_sctp.erl b/lib/kernel/src/inet6_sctp.erl
index f034535ba0..c47483bbdd 100644
--- a/lib/kernel/src/inet6_sctp.erl
+++ b/lib/kernel/src/inet6_sctp.erl
@@ -32,7 +32,8 @@
-define(FAMILY, inet6).
-export([getserv/1,getaddr/1,getaddr/2,translate_ip/1]).
--export([open/1,close/1,listen/2,connect/5,sendmsg/3,send/4,recv/2]).
+-export([open/1,close/1,listen/2,peeloff/2,connect/5]).
+-export([sendmsg/3,send/4,recv/2]).
@@ -65,6 +66,14 @@ close(S) ->
listen(S, Flag) ->
prim_inet:listen(S, Flag).
+peeloff(S, AssocId) ->
+ case prim_inet:peeloff(S, AssocId) of
+ {ok, NewS}=Result ->
+ inet_db:register_socket(NewS, ?MODULE),
+ Result;
+ Error -> Error
+ end.
+
connect(S, Addr, Port, Opts, Timer) ->
inet_sctp:connect(S, Addr, Port, Opts, Timer).
diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl
index 735347b4b1..f8984b13fe 100644
--- a/lib/kernel/src/inet_int.hrl
+++ b/lib/kernel/src/inet_int.hrl
@@ -95,6 +95,7 @@
-define(PACKET_REQ_RECV, 60).
%%-define(SCTP_REQ_LISTEN, 61). MERGED
-define(SCTP_REQ_BINDX, 62). %% Multi-home SCTP bind
+-define(SCTP_REQ_PEELOFF, 63).
%% subscribe codes, INET_REQ_SUBSCRIBE
-define(INET_SUBS_EMPTY_OUT_Q, 1).
@@ -102,7 +103,7 @@
%% reply codes for *_REQ_*
-define(INET_REP_ERROR, 0).
-define(INET_REP_OK, 1).
--define(INET_REP_SCTP, 2).
+-define(INET_REP, 2).
%% INET, TCP and UDP options:
-define(INET_OPT_REUSEADDR, 0).
diff --git a/lib/kernel/src/inet_sctp.erl b/lib/kernel/src/inet_sctp.erl
index e670dcfdad..8482dd1b12 100644
--- a/lib/kernel/src/inet_sctp.erl
+++ b/lib/kernel/src/inet_sctp.erl
@@ -31,7 +31,8 @@
-define(FAMILY, inet).
-export([getserv/1,getaddr/1,getaddr/2,translate_ip/1]).
--export([open/1,close/1,listen/2,connect/5,sendmsg/3,send/4,recv/2]).
+-export([open/1,close/1,listen/2,peeloff/2,connect/5]).
+-export([sendmsg/3,send/4,recv/2]).
@@ -64,6 +65,14 @@ close(S) ->
listen(S, Flag) ->
prim_inet:listen(S, Flag).
+peeloff(S, AssocId) ->
+ case prim_inet:peeloff(S, AssocId) of
+ {ok, NewS}=Result ->
+ inet_db:register_socket(NewS, ?MODULE),
+ Result;
+ Error -> Error
+ end.
+
%% A non-blocking connect is implemented when the initial call is to
%% gen_sctp:connect_init which passes the value nowait as the Timer
connect(S, Addr, Port, Opts, Timer) ->