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-rw-r--r--lib/ssh/src/ssh_info.erl341
1 files changed, 237 insertions, 104 deletions
diff --git a/lib/ssh/src/ssh_info.erl b/lib/ssh/src/ssh_info.erl
index 4e6e25bc70..67130d5eac 100644
--- a/lib/ssh/src/ssh_info.erl
+++ b/lib/ssh/src/ssh_info.erl
@@ -25,132 +25,174 @@
-module(ssh_info).
--compile(export_all).
+-export([print/0,
+ print/1,
+ string/0,
+ collect_pids/0
+ ]).
+
+-include("ssh_connect.hrl").
print() ->
- print(user).
+ io:format("~s", [string()]).
+print(File) when is_list(File) ->
+ {ok,D} = file:open(File, write),
+ print(D),
+ file:close(D);
print(D) ->
+ io:format(D, "~s", [string()]).
+
+string() ->
try supervisor:which_children(ssh_sup)
of
_ ->
- io:nl(D),
- print_general(D),
- io:nl(D),
- underline(D, "Client part", $=),
- print_clients(D),
- io:nl(D),
- underline(D, "Server part", $=),
- print_servers(D),
- io:nl(D),
- %% case os:type() of
- %% {unix,_} ->
- %% io:nl(),
- %% underline("Linux part", $=),
- %% underline("Listening"),
- %% catch io:format(os:cmd("netstat -tpln")),
- %% io:nl(),
- %% underline("Other"),
- %% catch io:format(os:cmd("netstat -tpn"));
- %% _ -> ok
- %% end,
- underline(D, "Supervisors", $=),
- walk_sups(D, ssh_sup),
- io:nl(D)
+ [io_lib:nl(),
+ print_general(),
+ io_lib:nl(),
+ underline("Client part", $=),
+ print_clients(),
+ io_lib:nl(),
+ underline("Server part", $=),
+ print_servers(),
+ io_lib:nl(),
+ underline("Supervisors", $=),
+ walk_sups(ssh_sup),
+ io_lib:nl()]
catch
_:_ ->
- io:format(D,"Ssh not found~n",[])
+ io_lib:format("Ssh not found~n",[])
end.
+
%%%================================================================
-print_general(D) ->
+-define(INDENT, " ").
+
+print_general() ->
{_Name, Slogan, Ver} = lists:keyfind(ssh,1,application:which_applications()),
- underline(D, io_lib:format("~s ~s", [Slogan, Ver]), $=),
- io:format(D, 'This printout is generated ~s. ~n',[datetime()]).
+ [underline(io_lib:format("~s ~s", [Slogan, Ver]), $=),
+ io_lib:format('This printout is generated ~s. ~n',[datetime()])
+ ].
-%%%================================================================
-print_clients(D) ->
- PrintClient = fun(X) -> print_client(D,X) end,
+print_clients() ->
try
- lists:foreach(PrintClient, supervisor:which_children(sshc_sup))
+ lists:map(fun print_client/1,
+ supervisor:which_children(sshc_sup))
catch
C:E ->
- io:format(D, '***FAILED: ~p:~p~n',[C,E])
+ io_lib:format('***print_clients FAILED: ~p:~p~n',[C,E])
end.
-print_client(D, {undefined,Pid,supervisor,[ssh_connection_handler]}) ->
+print_client({undefined,Pid,supervisor,[ssh_connection_handler]}) ->
{{Local,Remote},_Str} = ssh_connection_handler:get_print_info(Pid),
- io:format(D, " Local=~s Remote=~s ConnectionRef=~p~n",[fmt_host_port(Local),fmt_host_port(Remote),Pid]);
-print_client(D, Other) ->
- io:format(D, " [[Other 1: ~p]]~n",[Other]).
+ [io_lib:format(?INDENT"Local: ~s Remote: ~s ConnectionRef = ~p~n",
+ [fmt_host_port(Local), fmt_host_port(Remote), Pid]),
+ case channels(Pid) of
+ {ok,Channels=[_|_]} ->
+ [print_ch(ChPid) || #channel{user=ChPid} <- Channels];
+ _ ->
+ io_lib:format(?INDENT?INDENT?INDENT"No channels~n",[])
+ end];
+
+print_client(Other) ->
+ io_lib:format(" [[Other 1: ~p]]~n",[Other]).
%%%================================================================
-print_servers(D) ->
- PrintServer = fun(X) -> print_server(D,X) end,
+print_servers() ->
try
- lists:foreach(PrintServer, supervisor:which_children(sshd_sup))
+ lists:map(fun print_server/1,
+ supervisor:which_children(sshd_sup))
catch
C:E ->
- io:format(D, '***FAILED: ~p:~p~n',[C,E])
+ io_lib:format('***print_servers FAILED: ~p:~p~n',[C,E])
end.
-print_server(D, {{server,ssh_system_sup,LocalHost,LocalPort},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) ->
- io:format(D, 'Local=~s (~p children)~n',[fmt_host_port({LocalHost,LocalPort}),
- ssh_acceptor:number_of_connections(Pid)]),
- PrintSystemSup = fun(X) -> print_system_sup(D,X) end,
- lists:foreach(PrintSystemSup, supervisor:which_children(Pid));
-print_server(D, Other) ->
- io:format(D, " [[Other 2: ~p]]~n",[Other]).
-
-print_system_sup(D, {Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref),
+
+print_server({{server,ssh_system_sup,LocalHost,LocalPort,Profile},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) ->
+ Children = supervisor:which_children(Pid),
+ [io_lib:format(?INDENT"Listen: ~s (~p children) Profile ~p",[fmt_host_port({LocalHost,LocalPort}),
+ ssh_acceptor:number_of_connections(Pid),
+ Profile]),
+ case [AccPid
+ || {{ssh_acceptor_sup,_LocalHost,_LocalPort,_Profile}, AccPid, supervisor, [ssh_acceptor_sup]}
+ <- Children] of
+ AcceptorPids = [_|_] ->
+ [io_lib:format(" [Acceptor Pid", []),
+ [io_lib:format(" ~p",[AccPid]) || AccPid <- AcceptorPids],
+ io_lib:format("]~n", [])
+ ];
+ [] ->
+ io_lib:nl()
+ end,
+ lists:map(fun print_system_sup/1,
+ supervisor:which_children(Pid))
+ ].
+
+
+print_system_sup({Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref),
is_pid(Pid) ->
- PrintChannels = fun(X) -> print_channels(D,X) end,
- lists:foreach(PrintChannels, supervisor:which_children(Pid));
-print_system_sup(D, {{ssh_acceptor_sup,LocalHost,LocalPort}, Pid,supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) ->
- io:format(D, " [Acceptor for ~s]~n",[fmt_host_port({LocalHost,LocalPort})]);
-print_system_sup(D, Other) ->
- io:format(D, " [[Other 3: ~p]]~n",[Other]).
-
-print_channels(D, {{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) ->
- PrintChannel = fun(X) -> print_channel(D,X) end,
- lists:foreach(PrintChannel, supervisor:which_children(Pid));
-print_channels(D, Other) ->
- io:format(D, " [[Other 4: ~p]]~n",[Other]).
-
-
-print_channel(D, {Ref,Pid,worker,[ssh_channel]}) when is_reference(Ref),
- is_pid(Pid) ->
- {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid),
- {{Local,Remote},StrM} = ssh_connection_handler:get_print_info(ConnManager),
- io:format(D, ' ch ~p: ~s ~s',[ChannelID, StrM, Str]),
- io:format(D, " Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]);
-print_channel(D, Other) ->
- io:format(D, " [[Other 5: ~p]]~n",[Other]).
-
+ lists:map(fun print_channels/1,
+ supervisor:which_children(Pid));
+
+print_system_sup({{ssh_acceptor_sup,_LocalHost,_LocalPort,_Profile}, Pid, supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) ->
+ [].
+
+
+
+print_channels({{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) ->
+ Children = supervisor:which_children(Pid),
+ ChannelPids = [P || {R,P,worker,[ssh_channel]} <- Children,
+ is_pid(P),
+ is_reference(R)],
+ case ChannelPids of
+ [] -> io_lib:format(?INDENT?INDENT"No channels~n",[]);
+ [Ch1Pid|_] ->
+ {{ConnManager,_}, _Str} = ssh_channel:get_print_info(Ch1Pid),
+ {{_,Remote},_} = ssh_connection_handler:get_print_info(ConnManager),
+ [io_lib:format(?INDENT?INDENT"Remote: ~s ConnectionRef = ~p~n",[fmt_host_port(Remote),ConnManager]),
+ lists:map(fun print_ch/1, ChannelPids)
+ ]
+ end;
+print_channels({{server,ssh_connection_sup,_,_},Pid,supervisor,[ssh_connection_sup]}) when is_pid(Pid) ->
+ []. % The supervisor of the connections socket owning process
+
+print_ch(Pid) ->
+ try
+ {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid),
+ {_LocalRemote,StrM} = ssh_connection_handler:get_print_info(ConnManager),
+ io_lib:format(?INDENT?INDENT?INDENT"ch ~p ~p: ~s ~s~n",[ChannelID, Pid, StrM, Str])
+ catch
+ C:E ->
+ io_lib:format('****print_ch FAILED for ChanPid ~p: ~p:~p~n',[Pid, C, E])
+ end.
+
+
%%%================================================================
-define(inc(N), (N+4)).
-walk_sups(D, StartPid) ->
- io:format(D, "Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]),
- walk_sups(D, children(StartPid), _Indent=?inc(0)).
+walk_sups(StartPid) ->
+ io_lib:format("Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]),
+ walk_sups(children(StartPid), _Indent=?inc(0)).
-walk_sups(D, [H={_,Pid,_,_}|T], Indent) ->
- indent(D, Indent), io:format(D, '~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]),
- case H of
- {_,_,supervisor,[ssh_connection_handler]} -> ok;
- {_,Pid,supervisor,_} -> walk_sups(D, children(Pid), ?inc(Indent));
- _ -> ok
- end,
- walk_sups(D, T, Indent);
-walk_sups(_D, [], _) ->
- ok.
+walk_sups([H={_,Pid,_,_}|T], Indent) ->
+ [indent(Indent),
+ io_lib:format('~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]),
+ case H of
+ {_,_,supervisor,[ssh_connection_handler]} -> "";
+ {_,Pid,supervisor,_} -> walk_sups(children(Pid), ?inc(Indent));
+ _ -> ""
+ end,
+ walk_sups(T, Indent)
+ ];
+walk_sups([], _) ->
+ "".
dead_or_alive(Name) when is_atom(Name) ->
case whereis(Name) of
- undefined ->
+ undefined ->
"**UNDEFINED**";
- Pid ->
+ Pid ->
dead_or_alive(Pid)
end;
dead_or_alive(Pid) when is_pid(Pid) ->
@@ -159,7 +201,8 @@ dead_or_alive(Pid) when is_pid(Pid) ->
_ -> "alive"
end.
-indent(D, I) -> io:format(D,'~*c',[I,$ ]).
+indent(I) -> io_lib:format('~*c',[I,$ ]).
+
children(Pid) ->
Parent = self(),
@@ -170,23 +213,39 @@ children(Pid) ->
{Helper,L} when is_list(L) ->
L
after
- 2000 ->
+ 2000 ->
catch exit(Helper, kill),
[]
end.
-%%%================================================================
-underline(D, Str) ->
- underline(D, Str, $-).
+is_connection_handler(Pid) ->
+ try
+ {ssh_connection_handler,init,_} =
+ proplists:get_value(
+ '$initial_call',
+ proplists:get_value(
+ dictionary,
+ process_info(Pid, [dictionary])))
+ of
+ _ -> true
-underline(D, Str, LineChar) ->
- Len = lists:flatlength(Str),
- io:format(D, '~s~n',[Str]),
- line(D,Len,LineChar).
+ catch
+ _:_ ->
+ false
+ end.
+
+channels(Pid) ->
+ case is_connection_handler(Pid) of
+ true ->
+ ssh_connection_handler:info(Pid,all);
+ false ->
+ false
+ end.
+
+%%%================================================================
+underline(Str, LineChar) ->
+ io_lib:format('~s~n~*c~n',[Str, lists:flatlength(Str), LineChar]).
-line(D, Len, Char) ->
- io:format(D, '~*c~n', [Len,Char]).
-
datetime() ->
{{YYYY,MM,DD}, {H,M,S}} = calendar:now_to_universal_time(erlang:timestamp()),
@@ -196,8 +255,82 @@ datetime() ->
fmt_host_port({{A,B,C,D},Port}) -> io_lib:format('~p.~p.~p.~p:~p',[A,B,C,D,Port]);
fmt_host_port({Host,Port}) -> io_lib:format('~s:~p',[Host,Port]).
+%%%################################################################
+collect_pids() -> collect_pids(ssh_sup).
+
+collect_pids(P) ->
+ Collector = pcollect_pids(P, spawn(fun init_collector/0)),
+ Collector ! {get_values,self()},
+ receive
+ {values,Values} ->
+ Values
+ end.
+
+%%%----------------
+pcollect_pids(undefined, Collector) ->
+ Collector;
+
+pcollect_pids(A, Collector) when is_atom(A) ->
+ pcollect_pids(whereis(A), Collector);
+
+pcollect_pids(Pid, Collector) when is_pid(Pid) ->
+ Collector ! {expect,Pid},
+ spawn(fun() ->
+ lists:foreach(
+ fun(P2) ->
+ pcollect_pids(P2,Collector)
+ end, children(Pid)),
+ Collector ! {value,Pid,Pid}
+ end),
+ Collector;
+pcollect_pids({Ref,Pid,supervisor,_}, Collector) when is_pid(Pid),
+ is_reference(Ref) ->
+ pcollect_pids(Pid, Collector);
-nyi(D) ->
- io:format(D,'Not yet implemented~n',[]),
- nyi.
+pcollect_pids({sshc_sup,Pid,supervisor,_}, Collector) when is_pid(Pid) ->
+ pcollect_pids(Pid, Collector);
+
+pcollect_pids({sshd_sup,Pid,supervisor,_}, Collector) when is_pid(Pid) ->
+ pcollect_pids(Pid, Collector);
+
+pcollect_pids({{ssh_acceptor_sup,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) ->
+ pcollect_pids(Pid, Collector);
+
+pcollect_pids({{server,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) ->
+ pcollect_pids(Pid, Collector);
+
+pcollect_pids({{server,_,_,_,_},Pid,supervisor,_}, Collector) when is_pid(Pid) ->
+ pcollect_pids(Pid, Collector);
+
+pcollect_pids({undefined,Pid,supervisor,[ssh_connection_handler]}, Collector) ->
+ Collector ! {value,Pid,Pid},
+ case channels(Pid) of
+ {ok,L} ->
+ [Collector!{value,P,P} || #channel{user=P} <- L];
+ _ ->
+ ok
+ end,
+ Collector;
+
+pcollect_pids({_,Pid,_,_}, Collector) when is_pid(Pid) ->
+ Collector ! {value,Pid,Pid},
+ Collector;
+
+pcollect_pids(_, Collector) ->
+ Collector.
+
+%%%----------------
+init_collector() ->
+ loop_collector([],[]).
+
+loop_collector(Expects, Values) ->
+ receive
+ {expect, Ref} ->
+ loop_collector([Ref|Expects], Values);
+ {value, Ref, Val} ->
+ loop_collector(Expects--[Ref], [Val|Values]);
+ {get_values, From} when Expects==[] ->
+%% Values=/=[] ->
+ From ! {values,Values}
+ end.