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-rw-r--r--lib/kernel/src/inet6_tcp.erl19
-rw-r--r--lib/kernel/src/inet6_tcp_dist.erl365
-rw-r--r--lib/kernel/src/inet_tcp.erl16
-rw-r--r--lib/kernel/src/inet_tcp_dist.erl157
4 files changed, 128 insertions, 429 deletions
diff --git a/lib/kernel/src/inet6_tcp.erl b/lib/kernel/src/inet6_tcp.erl
index 2ea017285c..1978307b3c 100644
--- a/lib/kernel/src/inet6_tcp.erl
+++ b/lib/kernel/src/inet6_tcp.erl
@@ -25,10 +25,29 @@
-export([controlling_process/2]).
-export([fdopen/2]).
+-export([family/0, mask/2, parse_address/1]).
-export([getserv/1, getaddr/1, getaddr/2, getaddrs/1, getaddrs/2]).
-include("inet_int.hrl").
+%% my address family
+family() -> inet6.
+
+%% Apply netmask on address
+mask({M1,M2,M3,M4,M5,M6,M7,M8}, {IP1,IP2,IP3,IP4,IP5,IP6,IP7,IP8}) ->
+ {M1 band IP1,
+ M2 band IP2,
+ M3 band IP3,
+ M4 band IP4,
+ M5 band IP5,
+ M6 band IP6,
+ M7 band IP7,
+ M8 band IP8 }.
+
+%% Parse address string
+parse_address(Host) ->
+ inet_parse:ipv6strict_address(Host).
+
%% inet_tcp port lookup
getserv(Port) when is_integer(Port) -> {ok, Port};
getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,tcp).
diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl
index a74a4916ba..3ab7f269bb 100644
--- a/lib/kernel/src/inet6_tcp_dist.erl
+++ b/lib/kernel/src/inet6_tcp_dist.erl
@@ -24,28 +24,6 @@
-export([listen/1, accept/1, accept_connection/5,
setup/5, close/1, select/1, is_node_name/1]).
-%% internal exports
-
--export([accept_loop/2,do_accept/6,do_setup/6, getstat/1,tick/1]).
-
--import(error_logger,[error_msg/2]).
-
--include("net_address.hrl").
-
-
-
--define(to_port(Socket, Data, Opts),
- case inet6_tcp:send(Socket, Data, Opts) of
- {error, closed} ->
- self() ! {tcp_closed, Socket},
- {error, closed};
- R ->
- R
- end).
-
-
--include("dist.hrl").
--include("dist_util.hrl").
%% ------------------------------------------------------------
%% Select this protocol based on node name
@@ -53,14 +31,7 @@
%% ------------------------------------------------------------
select(Node) ->
- case split_node(atom_to_list(Node), $@, []) of
- [_, Host] ->
- case inet:getaddr(Host,inet6) of
- {ok,_} -> true;
- _ -> false
- end;
- _ -> false
- end.
+ inet_tcp_dist:gen_select(inet6_tcp, Node).
%% ------------------------------------------------------------
%% Create the listen socket, i.e. the port that this erlang
@@ -68,59 +39,14 @@ select(Node) ->
%% ------------------------------------------------------------
listen(Name) ->
- case inet6_tcp:listen(0, [{active, false}, {packet,2}]) of
- {ok, Socket} ->
- TcpAddress = get_tcp_address(Socket),
- {_,Port} = TcpAddress#net_address.address,
- case erl_epmd:register_node(Name, Port) of
- {ok, Creation} ->
- {ok, {Socket, TcpAddress, Creation}};
- Error ->
- Error
- end;
- Error ->
- Error
- end.
+ inet_tcp_dist:gen_listen(inet6_tcp, Name).
%% ------------------------------------------------------------
%% Accepts new connection attempts from other Erlang nodes.
%% ------------------------------------------------------------
accept(Listen) ->
- spawn_opt(?MODULE, accept_loop, [self(), Listen], [link, {priority, max}]).
-
-accept_loop(Kernel, Listen) ->
- case inet6_tcp:accept(Listen) of
- {ok, Socket} ->
- Kernel ! {accept,self(),Socket,inet6,tcp},
- _ = controller(Kernel, Socket),
- accept_loop(Kernel, Listen);
- Error ->
- exit(Error)
- end.
-
-controller(Kernel, Socket) ->
- receive
- {Kernel, controller, Pid} ->
- flush_controller(Pid, Socket),
- inet6_tcp:controlling_process(Socket, Pid),
- flush_controller(Pid, Socket),
- Pid ! {self(), controller};
- {Kernel, unsupported_protocol} ->
- exit(unsupported_protocol)
- end.
-
-flush_controller(Pid, Socket) ->
- receive
- {tcp, Socket, Data} ->
- Pid ! {tcp, Socket, Data},
- flush_controller(Pid, Socket);
- {tcp_closed, Socket} ->
- Pid ! {tcp_closed, Socket},
- flush_controller(Pid, Socket)
- after 0 ->
- ok
- end.
+ inet_tcp_dist:gen_accept(inet6_tcp, Listen).
%% ------------------------------------------------------------
%% Accepts a new connection attempt from another Erlang node.
@@ -128,85 +54,7 @@ flush_controller(Pid, Socket) ->
%% ------------------------------------------------------------
accept_connection(AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
- spawn_opt(?MODULE, do_accept,
- [self(), AcceptPid, Socket, MyNode, Allowed, SetupTime],
- [link, {priority, max}]).
-
-do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
- receive
- {AcceptPid, controller} ->
- Timer = dist_util:start_timer(SetupTime),
- case check_ip(Socket) of
- true ->
- HSData = #hs_data{
- kernel_pid = Kernel,
- this_node = MyNode,
- socket = Socket,
- timer = Timer,
- this_flags = 0,
- allowed = Allowed,
- f_send = fun(S,D) -> inet6_tcp:send(S,D) end,
- f_recv = fun(S,N,T) -> inet6_tcp:recv(S,N,T)
- end,
- f_setopts_pre_nodeup =
- fun(S) ->
- inet:setopts(S,
- [{active, false},
- {packet, 4},
- nodelay()])
- end,
- f_setopts_post_nodeup =
- fun(S) ->
- inet:setopts(S,
- [{active, true},
- {deliver, port},
- {packet, 4},
- nodelay()])
- end,
- f_getll = fun(S) ->
- inet:getll(S)
- end,
- f_address = fun get_remote_id/2,
- mf_tick = fun ?MODULE:tick/1,
- mf_getstat = fun ?MODULE:getstat/1
- },
- dist_util:handshake_other_started(HSData);
- {false,IP} ->
- error_msg("** Connection attempt from "
- "disallowed IP ~w ** ~n", [IP]),
- ?shutdown(no_node)
- end
- end.
-
-
-%% we may not always want the nodelay behaviour
-%% for performance reasons
-
-nodelay() ->
- case application:get_env(kernel, dist_nodelay) of
- undefined ->
- {nodelay, true};
- {ok, true} ->
- {nodelay, true};
- {ok, false} ->
- {nodelay, false};
- _ ->
- {nodelay, true}
- end.
-
-
-%% ------------------------------------------------------------
-%% Get remote information about a Socket.
-%% ------------------------------------------------------------
-
-get_remote_id(Socket, Node) ->
- {ok, Address} = inet:peername(Socket),
- [_, Host] = split_node(atom_to_list(Node), $@, []),
- #net_address {
- address = Address,
- host = Host,
- protocol = tcp,
- family = inet6 }.
+ inet_tcp_dist:gen_accept_connection(inet6_tcp, AcceptPid, Socket, MyNode, Allowed, SetupTime).
%% ------------------------------------------------------------
%% Setup a new connection to another Erlang node.
@@ -214,214 +62,13 @@ get_remote_id(Socket, Node) ->
%% ------------------------------------------------------------
setup(Node, Type, MyNode, LongOrShortNames,SetupTime) ->
- spawn_opt(?MODULE, do_setup,
- [self(), Node, Type, MyNode, LongOrShortNames, SetupTime],
- [link, {priority, max}]).
-
-do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
- ?trace("~p~n",[{?MODULE,self(),setup,Node}]),
- [Name, Address] = splitnode(Node, LongOrShortNames),
- case inet:getaddr(Address, inet6) of
- {ok, Ip} ->
- Timer = dist_util:start_timer(SetupTime),
- case erl_epmd:port_please(Name, Ip) of
- {port, TcpPort, Version} ->
- ?trace("port_please(~p) -> version ~p~n",
- [Node,Version]),
- dist_util:reset_timer(Timer),
- case inet6_tcp:connect(Ip, TcpPort,
- [{active, false},
- {packet,2}]) of
- {ok, Socket} ->
- HSData = #hs_data{
- kernel_pid = Kernel,
- other_node = Node,
- this_node = MyNode,
- socket = Socket,
- timer = Timer,
- this_flags = 0,
- other_version = Version,
- f_send = fun inet6_tcp:send/2,
- f_recv = fun inet6_tcp:recv/3,
- f_setopts_pre_nodeup =
- fun(S) ->
- inet:setopts
- (S,
- [{active, false},
- {packet, 4},
- nodelay()])
- end,
- f_setopts_post_nodeup =
- fun(S) ->
- inet:setopts
- (S,
- [{active, true},
- {deliver, port},
- {packet, 4},
- nodelay()])
- end,
- f_getll = fun inet:getll/1,
- f_address =
- fun(_,_) ->
- #net_address {
- address = {Ip,TcpPort},
- host = Address,
- protocol = tcp,
- family = inet6}
- end,
- mf_tick = fun ?MODULE:tick/1,
- mf_getstat = fun ?MODULE:getstat/1,
- request_type = Type
- },
- dist_util:handshake_we_started(HSData);
- _ ->
- %% Other Node may have closed since
- %% port_please !
- ?trace("other node (~p) "
- "closed since port_please.~n",
- [Node]),
- ?shutdown(Node)
- end;
- _ ->
- ?trace("port_please (~p) "
- "failed.~n", [Node]),
- ?shutdown(Node)
- end;
- __Other ->
- ?trace("inet_getaddr(~p) "
- "failed (~p).~n", [Node,__Other]),
- ?shutdown(Node)
- end.
+ inet_tcp_dist:gen_setup(inet6_tcp, Node, Type, MyNode, LongOrShortNames, SetupTime).
%%
%% Close a socket.
%%
close(Socket) ->
inet6_tcp:close(Socket).
-
-
-%% If Node is illegal terminate the connection setup!!
-splitnode(Node, LongOrShortNames) ->
- case split_node(atom_to_list(Node), $@, []) of
- [Name|Tail] when Tail =/= [] ->
- Host = lists:append(Tail),
- case split_node(Host, $., []) of
- [_] when LongOrShortNames =:= longnames ->
- case inet_parse:ipv6strict_address(Host) of
- {ok, _} ->
- [Name, Host];
- _ ->
- error_msg("** System running to use "
- "fully qualified "
- "hostnames **~n"
- "** Hostname ~s is illegal **~n",
- [Host]),
- ?shutdown(Node)
- end;
- L when length(L) > 1, LongOrShortNames =:= shortnames ->
- error_msg("** System NOT running to use fully qualified "
- "hostnames **~n"
- "** Hostname ~s is illegal **~n",
- [Host]),
- ?shutdown(Node);
- _ ->
- [Name, Host]
- end;
- [_] ->
- error_msg("** Nodename ~p illegal, no '@' character **~n",
- [Node]),
- ?shutdown(Node);
- _ ->
- error_msg("** Nodename ~p illegal **~n", [Node]),
- ?shutdown(Node)
- end.
-
-split_node([Chr|T], Chr, Ack) -> [lists:reverse(Ack)|split_node(T, Chr, [])];
-split_node([H|T], Chr, Ack) -> split_node(T, Chr, [H|Ack]);
-split_node([], _, Ack) -> [lists:reverse(Ack)].
-
-%% ------------------------------------------------------------
-%% Fetch local information about a Socket.
-%% ------------------------------------------------------------
-get_tcp_address(Socket) ->
- {ok, Address} = inet:sockname(Socket),
- {ok, Host} = inet:gethostname(),
- #net_address {
- address = Address,
- host = Host,
- protocol = tcp,
- family = inet6
- }.
-
-%% ------------------------------------------------------------
-%% Do only accept new connection attempts from nodes at our
-%% own LAN, if the check_ip environment parameter is true.
-%% ------------------------------------------------------------
-check_ip(Socket) ->
- case application:get_env(check_ip) of
- {ok, true} ->
- case get_ifs(Socket) of
- {ok, IFs, IP} ->
- check_ip(IFs, IP);
- _ ->
- ?shutdown(no_node)
- end;
- _ ->
- true
- end.
-
-get_ifs(Socket) ->
- case inet:peername(Socket) of
- {ok, {IP, _}} ->
- case inet:getif(Socket) of
- {ok, IFs} -> {ok, IFs, IP};
- Error -> Error
- end;
- Error ->
- Error
- end.
-
-check_ip([{OwnIP, _, Netmask}|IFs], PeerIP) ->
- case {mask(Netmask, PeerIP), mask(Netmask, OwnIP)} of
- {M, M} -> true;
- _ -> check_ip(IFs, PeerIP)
- end;
-check_ip([], PeerIP) ->
- {false, PeerIP}.
-mask({M1,M2,M3,M4,M5,M6,M7,M8}, {IP1,IP2,IP3,IP4,IP5,IP6,IP7,IP8}) ->
- {M1 band IP1,
- M2 band IP2,
- M3 band IP3,
- M4 band IP4,
- M5 band IP5,
- M6 band IP6,
- M7 band IP7,
- M8 band IP8 }.
-
is_node_name(Node) when is_atom(Node) ->
- case split_node(atom_to_list(Node), $@, []) of
- [_,_Host] -> true;
- _ -> false
- end;
-is_node_name(_Node) ->
- false.
-tick(Sock) ->
- ?to_port(Sock,[],[force]).
-getstat(Socket) ->
- case inet:getstat(Socket, [recv_cnt, send_cnt, send_pend]) of
- {ok, Stat} ->
- split_stat(Stat,0,0,0);
- Error ->
- Error
- end.
-
-split_stat([{recv_cnt, R}|Stat], _, W, P) ->
- split_stat(Stat, R, W, P);
-split_stat([{send_cnt, W}|Stat], R, _, P) ->
- split_stat(Stat, R, W, P);
-split_stat([{send_pend, P}|Stat], R, W, _) ->
- split_stat(Stat, R, W, P);
-split_stat([], R, W, P) ->
- {ok, R, W, P}.
-
+ inet_tcp_dist:is_node_name(Node).
diff --git a/lib/kernel/src/inet_tcp.erl b/lib/kernel/src/inet_tcp.erl
index b5c758c02c..f551af9709 100644
--- a/lib/kernel/src/inet_tcp.erl
+++ b/lib/kernel/src/inet_tcp.erl
@@ -27,11 +27,25 @@
-export([controlling_process/2]).
-export([fdopen/2]).
+-export([family/0, mask/2, parse_address/1]).
-export([getserv/1, getaddr/1, getaddr/2, getaddrs/1, getaddrs/2]).
-
-include("inet_int.hrl").
+%% my address family
+family() -> inet.
+
+%% Apply netmask on address
+mask({M1,M2,M3,M4}, {IP1,IP2,IP3,IP4}) ->
+ {M1 band IP1,
+ M2 band IP2,
+ M3 band IP3,
+ M4 band IP4}.
+
+%% Parse address string
+parse_address(Host) ->
+ inet_parse:ipv4strict_address(Host).
+
%% inet_tcp port lookup
getserv(Port) when is_integer(Port) -> {ok, Port};
getserv(Name) when is_atom(Name) -> inet:getservbyname(Name,tcp).
diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl
index 1bdc1c9ed8..64b28bb49b 100644
--- a/lib/kernel/src/inet_tcp_dist.erl
+++ b/lib/kernel/src/inet_tcp_dist.erl
@@ -24,9 +24,13 @@
-export([listen/1, accept/1, accept_connection/5,
setup/5, close/1, select/1, is_node_name/1]).
+%% Generalized dist API
+-export([gen_listen/2, gen_accept/2, gen_accept_connection/6,
+ gen_setup/6, gen_select/2]).
+
%% internal exports
--export([accept_loop/2,do_accept/6,do_setup/6,getstat/1,tick/1]).
+-export([accept_loop/3,do_accept/7,do_setup/7,getstat/1]).
-import(error_logger,[error_msg/2]).
@@ -34,15 +38,6 @@
--define(to_port(Socket, Data, Opts),
- case inet_tcp:send(Socket, Data, Opts) of
- {error, closed} ->
- self() ! {tcp_closed, Socket},
- {error, closed};
- R ->
- R
- end).
-
-include("dist.hrl").
-include("dist_util.hrl").
@@ -53,8 +48,15 @@
%% ------------------------------------------------------------
select(Node) ->
+ gen_select(inet_tcp, Node).
+
+gen_select(Driver, Node) ->
case split_node(atom_to_list(Node), $@, []) of
- [_,_Host] -> true;
+ [_, Host] ->
+ case inet:getaddr(Host, Driver:family()) of
+ {ok,_} -> true;
+ _ -> false
+ end;
_ -> false
end.
@@ -64,9 +66,12 @@ select(Node) ->
%% ------------------------------------------------------------
listen(Name) ->
- case do_listen([{active, false}, {packet,2}, {reuseaddr, true}]) of
+ gen_listen(inet_tcp, Name).
+
+gen_listen(Driver, Name) ->
+ case do_listen(Driver, [{active, false}, {packet,2}, {reuseaddr, true}]) of
{ok, Socket} ->
- TcpAddress = get_tcp_address(Socket),
+ TcpAddress = get_tcp_address(Driver, Socket),
{_,Port} = TcpAddress#net_address.address,
case erl_epmd:register_node(Name, Port) of
{ok, Creation} ->
@@ -78,7 +83,7 @@ listen(Name) ->
Error
end.
-do_listen(Options) ->
+do_listen(Driver, Options) ->
{First,Last} = case application:get_env(kernel,inet_dist_listen_min) of
{ok,N} when is_integer(N) ->
case application:get_env(kernel,
@@ -91,14 +96,14 @@ do_listen(Options) ->
_ ->
{0,0}
end,
- do_listen(First, Last, listen_options([{backlog,128}|Options])).
+ do_listen(Driver, First, Last, listen_options([{backlog,128}|Options])).
-do_listen(First,Last,_) when First > Last ->
+do_listen(_Driver, First,Last,_) when First > Last ->
{error,eaddrinuse};
-do_listen(First,Last,Options) ->
- case inet_tcp:listen(First, Options) of
+do_listen(Driver, First,Last,Options) ->
+ case Driver:listen(First, Options) of
{error, eaddrinuse} ->
- do_listen(First+1,Last,Options);
+ do_listen(Driver, First+1,Last,Options);
Other ->
Other
end.
@@ -124,23 +129,26 @@ listen_options(Opts0) ->
%% ------------------------------------------------------------
accept(Listen) ->
- spawn_opt(?MODULE, accept_loop, [self(), Listen], [link, {priority, max}]).
+ gen_accept(inet_tcp, Listen).
-accept_loop(Kernel, Listen) ->
- case inet_tcp:accept(Listen) of
+gen_accept(Driver, Listen) ->
+ spawn_opt(?MODULE, accept_loop, [Driver, self(), Listen], [link, {priority, max}]).
+
+accept_loop(Driver, Kernel, Listen) ->
+ case Driver:accept(Listen) of
{ok, Socket} ->
- Kernel ! {accept,self(),Socket,inet,tcp},
- _ = controller(Kernel, Socket),
- accept_loop(Kernel, Listen);
+ Kernel ! {accept,self(),Socket,Driver:family(),tcp},
+ _ = controller(Driver, Kernel, Socket),
+ accept_loop(Driver, Kernel, Listen);
Error ->
exit(Error)
end.
-controller(Kernel, Socket) ->
+controller(Driver, Kernel, Socket) ->
receive
{Kernel, controller, Pid} ->
flush_controller(Pid, Socket),
- inet_tcp:controlling_process(Socket, Pid),
+ Driver:controlling_process(Socket, Pid),
flush_controller(Pid, Socket),
Pid ! {self(), controller};
{Kernel, unsupported_protocol} ->
@@ -165,15 +173,18 @@ flush_controller(Pid, Socket) ->
%% ------------------------------------------------------------
accept_connection(AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
+ gen_accept_connection(inet_tcp, AcceptPid, Socket, MyNode, Allowed, SetupTime).
+
+gen_accept_connection(Driver, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
spawn_opt(?MODULE, do_accept,
- [self(), AcceptPid, Socket, MyNode, Allowed, SetupTime],
+ [Driver, self(), AcceptPid, Socket, MyNode, Allowed, SetupTime],
[link, {priority, max}]).
-do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
+do_accept(Driver, Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
receive
{AcceptPid, controller} ->
Timer = dist_util:start_timer(SetupTime),
- case check_ip(Socket) of
+ case check_ip(Driver, Socket) of
true ->
HSData = #hs_data{
kernel_pid = Kernel,
@@ -182,9 +193,8 @@ do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
timer = Timer,
this_flags = 0,
allowed = Allowed,
- f_send = fun(S,D) -> inet_tcp:send(S,D) end,
- f_recv = fun(S,N,T) -> inet_tcp:recv(S,N,T)
- end,
+ f_send = fun Driver:send/2,
+ f_recv = fun Driver:recv/3,
f_setopts_pre_nodeup =
fun(S) ->
inet:setopts(S,
@@ -203,8 +213,8 @@ do_accept(Kernel, AcceptPid, Socket, MyNode, Allowed, SetupTime) ->
f_getll = fun(S) ->
inet:getll(S)
end,
- f_address = fun get_remote_id/2,
- mf_tick = fun ?MODULE:tick/1,
+ f_address = fun(S, Node) -> get_remote_id(Driver, S, Node) end,
+ mf_tick = fun(S) -> tick(Driver, S) end,
mf_getstat = fun ?MODULE:getstat/1
},
dist_util:handshake_other_started(HSData);
@@ -235,13 +245,13 @@ nodelay() ->
%% ------------------------------------------------------------
%% Get remote information about a Socket.
%% ------------------------------------------------------------
-get_remote_id(Socket, Node) ->
+get_remote_id(Driver, Socket, Node) ->
case inet:peername(Socket) of
{ok,Address} ->
case split_node(atom_to_list(Node), $@, []) of
[_,Host] ->
#net_address{address=Address,host=Host,
- protocol=tcp,family=inet};
+ protocol=tcp,family=Driver:family()};
_ ->
%% No '@' or more than one '@' in node name.
?shutdown(no_node)
@@ -256,14 +266,18 @@ get_remote_id(Socket, Node) ->
%% ------------------------------------------------------------
setup(Node, Type, MyNode, LongOrShortNames,SetupTime) ->
+ gen_setup(inet_tcp, Node, Type, MyNode, LongOrShortNames, SetupTime).
+
+gen_setup(Driver, Node, Type, MyNode, LongOrShortNames, SetupTime) ->
spawn_opt(?MODULE, do_setup,
- [self(), Node, Type, MyNode, LongOrShortNames, SetupTime],
+ [Driver, self(), Node, Type, MyNode, LongOrShortNames, SetupTime],
[link, {priority, max}]).
-do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
+do_setup(Driver, Kernel, Node, Type, MyNode, LongOrShortNames, SetupTime) ->
?trace("~p~n",[{inet_tcp_dist,self(),setup,Node}]),
- [Name, Address] = splitnode(Node, LongOrShortNames),
- case inet:getaddr(Address, inet) of
+ [Name, Address] = splitnode(Driver, Node, LongOrShortNames),
+ AddressFamily = Driver:family(),
+ case inet:getaddr(Address, AddressFamily) of
{ok, Ip} ->
Timer = dist_util:start_timer(SetupTime),
case erl_epmd:port_please(Name, Ip) of
@@ -272,7 +286,7 @@ do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
[Node,Version]),
dist_util:reset_timer(Timer),
case
- inet_tcp:connect(
+ Driver:connect(
Ip, TcpPort,
connect_options([{active, false}, {packet, 2}]))
of
@@ -285,8 +299,8 @@ do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
timer = Timer,
this_flags = 0,
other_version = Version,
- f_send = fun inet_tcp:send/2,
- f_recv = fun inet_tcp:recv/3,
+ f_send = fun Driver:send/2,
+ f_recv = fun Driver:recv/3,
f_setopts_pre_nodeup =
fun(S) ->
inet:setopts
@@ -311,9 +325,9 @@ do_setup(Kernel, Node, Type, MyNode, LongOrShortNames,SetupTime) ->
address = {Ip,TcpPort},
host = Address,
protocol = tcp,
- family = inet}
+ family = AddressFamily}
end,
- mf_tick = fun ?MODULE:tick/1,
+ mf_tick = fun(S) -> tick(Driver, S) end,
mf_getstat = fun ?MODULE:getstat/1,
request_type = Type
},
@@ -353,18 +367,23 @@ close(Socket) ->
%% If Node is illegal terminate the connection setup!!
-splitnode(Node, LongOrShortNames) ->
+splitnode(Driver, Node, LongOrShortNames) ->
case split_node(atom_to_list(Node), $@, []) of
[Name|Tail] when Tail =/= [] ->
Host = lists:append(Tail),
case split_node(Host, $., []) of
[_] when LongOrShortNames =:= longnames ->
- error_msg("** System running to use "
- "fully qualified "
- "hostnames **~n"
- "** Hostname ~s is illegal **~n",
- [Host]),
- ?shutdown(Node);
+ case Driver:parse_address(Host) of
+ {ok, _} ->
+ [Name, Host];
+ _ ->
+ error_msg("** System running to use "
+ "fully qualified "
+ "hostnames **~n"
+ "** Hostname ~s is illegal **~n",
+ [Host]),
+ ?shutdown(Node)
+ end;
L when length(L) > 1, LongOrShortNames =:= shortnames ->
error_msg("** System NOT running to use fully qualified "
"hostnames **~n"
@@ -390,26 +409,26 @@ split_node([], _, Ack) -> [lists:reverse(Ack)].
%% ------------------------------------------------------------
%% Fetch local information about a Socket.
%% ------------------------------------------------------------
-get_tcp_address(Socket) ->
+get_tcp_address(Driver, Socket) ->
{ok, Address} = inet:sockname(Socket),
{ok, Host} = inet:gethostname(),
#net_address {
address = Address,
host = Host,
protocol = tcp,
- family = inet
+ family = Driver:family()
}.
%% ------------------------------------------------------------
%% Do only accept new connection attempts from nodes at our
%% own LAN, if the check_ip environment parameter is true.
%% ------------------------------------------------------------
-check_ip(Socket) ->
+check_ip(Driver, Socket) ->
case application:get_env(check_ip) of
{ok, true} ->
case get_ifs(Socket) of
{ok, IFs, IP} ->
- check_ip(IFs, IP);
+ check_ip(Driver, IFs, IP);
_ ->
?shutdown(no_node)
end;
@@ -428,20 +447,14 @@ get_ifs(Socket) ->
Error
end.
-check_ip([{OwnIP, _, Netmask}|IFs], PeerIP) ->
- case {mask(Netmask, PeerIP), mask(Netmask, OwnIP)} of
+check_ip(Driver, [{OwnIP, _, Netmask}|IFs], PeerIP) ->
+ case {Driver:mask(Netmask, PeerIP), Driver:mask(Netmask, OwnIP)} of
{M, M} -> true;
- _ -> check_ip(IFs, PeerIP)
+ _ -> check_ip(Driver, IFs, PeerIP)
end;
-check_ip([], PeerIP) ->
+check_ip(_Driver, [], PeerIP) ->
{false, PeerIP}.
-mask({M1,M2,M3,M4}, {IP1,IP2,IP3,IP4}) ->
- {M1 band IP1,
- M2 band IP2,
- M3 band IP3,
- M4 band IP4}.
-
is_node_name(Node) when is_atom(Node) ->
case split_node(atom_to_list(Node), $@, []) of
[_, _Host] -> true;
@@ -450,8 +463,14 @@ is_node_name(Node) when is_atom(Node) ->
is_node_name(_Node) ->
false.
-tick(Sock) ->
- ?to_port(Sock,[],[force]).
+tick(Driver, Socket) ->
+ case Driver:send(Socket, [], [force]) of
+ {error, closed} ->
+ self() ! {tcp_closed, Socket},
+ {error, closed};
+ R ->
+ R
+ end.
getstat(Socket) ->
case inet:getstat(Socket, [recv_cnt, send_cnt, send_pend]) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 12:26:20 +0000