diff options
Diffstat (limited to 'lib/kernel')
-rw-r--r-- | lib/kernel/doc/src/file.xml | 4 | ||||
-rw-r--r-- | lib/kernel/doc/src/inet.xml | 63 | ||||
-rw-r--r-- | lib/kernel/doc/src/notes.xml | 23 | ||||
-rw-r--r-- | lib/kernel/src/error_handler.erl | 5 | ||||
-rw-r--r-- | lib/kernel/src/file.erl | 25 | ||||
-rw-r--r-- | lib/kernel/src/inet.erl | 12 | ||||
-rw-r--r-- | lib/kernel/src/inet_int.hrl | 3 | ||||
-rw-r--r-- | lib/kernel/src/kernel.erl | 9 | ||||
-rw-r--r-- | lib/kernel/test/code_SUITE.erl | 97 | ||||
-rw-r--r-- | lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl | 9 | ||||
-rw-r--r-- | lib/kernel/test/gen_udp_SUITE.erl | 6 | ||||
-rw-r--r-- | lib/kernel/test/inet_SUITE.erl | 129 |
12 files changed, 368 insertions, 17 deletions
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index 2044b074ee..64cdd3a8ea 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -603,8 +603,10 @@ f.txt: {person, "kalle", 25}. <type> <v>Filename = name()</v> <v>Modes = [Mode]</v> - <v> Mode = read | write | append | exclusive | raw | binary | {delayed_write, Size, Delay} | delayed_write | {read_ahead, Size} | read_ahead | compressed</v> + <v> Mode = read | write | append | exclusive | raw | binary | {delayed_write, Size, Delay} | delayed_write | {read_ahead, Size} | read_ahead | compressed | {encoding, Encoding}</v> <v> Size = Delay = int()</v> + <v> Encoding = latin1 | unicode | utf8 | utf16 | {utf16, Endian} | utf32 | {utf32, Endian}</v> + <v> Endian = big | little</v> <v>IoDevice = io_device()</v> <v>Reason = ext_posix() | system_limit</v> </type> diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index 2ae230152c..a22c0a8346 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -220,6 +220,69 @@ fe80::204:acff:fe17:bf38 <p>Returns the local hostname. Will never fail.</p> </desc> </func> + + <func> + <name>getifaddrs() -> {ok,Iflist} | {error,posix}</name> + <fsummary>Return a list of interfaces and their addresses</fsummary> + <type> + <v>Iflist = {Ifname,[Ifopt]}</v> + <v>Ifname = string()</v> + <v>Ifopt = {flag,[Flag]} | {addr,Addr} | {netmask,Netmask} + | {broadaddr,Broadaddr} | {dstaddr,Dstaddr} + | {hwaddr,Hwaddr}</v> + <v>Flag = up | broadcast | loopback | pointtopoint + | running | multicast</v> + <v>Addr = Netmask = Broadadddr = Dstaddr = ip_address()</v> + <v>Hwaddr = [byte()]</v> + </type> + </func> + <desc> + <p> + Returns a list of 2-tuples containing interface names and the + interface's addresses. <c>Ifname</c> is a Unicode string. + <c>Hwaddr</c> is hardware dependent, e.g on Ethernet interfaces + it is the 6-byte Ethernet address (MAC address (EUI-48 address)). + </p> + <p> + The <c>{addr,Addr}</c>, <c>{netmask,_}</c> and <c>{broadaddr,_}</c> + tuples are repeated in the result list iff the interface has multiple + addresses. If you come across an interface that has + multiple <c>{flag,_}</c> or <c>{hwaddr,_}</c> tuples you have + a really strange interface or possibly a bug in this function. + The <c>{flag,_}</c> tuple is mandatory, all other optional. + </p> + <p> + Do not rely too much on the order of <c>Flag</c> atoms or + <c>Ifopt</c> tuples. There are some rules, though: + <list> + <item> + Immediately after <c>{addr,_}</c> follows <c>{netmask,_}</c> + </item> + <item> + Immediately thereafter follows <c>{broadaddr,_}</c> if + the <c>broadcast</c> flag is <em>not</em> set and the + <c>pointtopoint</c>flag <em>is</em> set. + </item> + <item> + Any <c>{netmask,_}</c>, <c>{broadaddr,_}</c> or + <c>{dstaddr,_}</c> tuples that follow an <c>{addr,_}</c> + tuple concerns that address. + </item> + </list> + </p> + <p> + The <c>{hwaddr,_}</c> tuple is not returned on Solaris since the + hardware address historically belongs to the link layer and only + the superuser can read such addresses. + </p> + <p> + On Windows, the data is fetched from quite different OS API + functions, so the <c>Netmask</c> and <c>Broadaddr</c> + values may be calculated, just as some <c>Flag</c> values. + You have been warned. Report flagrant bugs. + </p> + </desc> + <func> <name>getopts(Socket, Options) -> {ok, OptionValues} | {error, posix()}</name> <fsummary>Get one or more options for a socket</fsummary> diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index 9859183390..edd6ea52b0 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -30,6 +30,29 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 2.14.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>In embedded mode, on_load handlers that called + <c>code:priv_dir/1</c> or other functions in <c>code</c> + would hang the system. Since the <c>crypto</c> + application now contains an on_loader handler that calls + <c>code:priv_dir/1</c>, including the <c>crypto</c> + application in the boot file would prevent the system + from starting.</p> + <p>Also extended the <c>-init_debug</c> option to print + information about on_load handlers being run to + facilitate debugging.</p> + <p> + Own Id: OTP-8902 Aux Id: seq11703 </p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 2.14.1</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/kernel/src/error_handler.erl b/lib/kernel/src/error_handler.erl index 17dd02acd4..885eeb2b0f 100644 --- a/lib/kernel/src/error_handler.erl +++ b/lib/kernel/src/error_handler.erl @@ -17,6 +17,11 @@ %% %CopyrightEnd% %% -module(error_handler). +%% FIXME: remove no_native directive after HiPE has been changed to make +%% remote calls link to the target's Export* like BEAM does. +%% For a detailed explanation see the commit titled +%% "error_handler: add no_native compiler directive" +-compile(no_native). %% A simple error handler. diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index cffe4e3db5..97d914b043 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -81,19 +81,28 @@ -type io_device() :: pid() | fd(). -type location() :: integer() | {'bof', integer()} | {'cur', integer()} | {'eof', integer()} | 'bof' | 'cur' | 'eof'. --type mode() :: 'read' | 'write' | 'append' | 'raw' | 'binary' | - {'delayed_write', non_neg_integer(), non_neg_integer()} | - 'delayed_write' | {'read_ahead', pos_integer()} | - 'read_ahead' | 'compressed' | 'exclusive'. +-type mode() :: 'read' | 'write' | 'append' + | 'exclusive' | 'raw' | 'binary' + | {'delayed_write', non_neg_integer(), non_neg_integer()} + | 'delayed_write' | {'read_ahead', pos_integer()} + | 'read_ahead' | 'compressed' + | {'encoding', unicode:encoding()}. -type name() :: string() | atom() | [name()]. --type posix() :: atom(). +-type posix() :: 'eacces' | 'eagain' | 'ebadf' | 'ebusy' | 'edquot' + | 'eexist' | 'efault' | 'efbig' | 'eintr' | 'einval' + | 'eio' | 'eisdir' | 'eloop' | 'emfile' | 'emlink' + | 'enametoolong' + | 'enfile' | 'enodev' | 'enoent' | 'enomem' | 'enospc' + | 'enotblk' | 'enotdir' | 'enotsup' | 'enxio' | 'eperm' + | 'epipe' | 'erofs' | 'espipe' | 'esrch' | 'estale' + | 'exdev'. -type bindings() :: any(). -type date() :: {pos_integer(), pos_integer(), pos_integer()}. -type time() :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}. -type date_time() :: {date(), time()}. --type posix_file_advise() :: 'normal' | 'sequential' | 'random' | 'no_reuse' | - 'will_need' | 'dont_need'. +-type posix_file_advise() :: 'normal' | 'sequential' | 'random' + | 'no_reuse' | 'will_need' | 'dont_need'. %%%----------------------------------------------------------------- %%% General functions @@ -286,7 +295,7 @@ raw_write_file_info(Name, #file_info{} = Info) -> %% Contemporary mode specification - list of options -spec open(Name :: name(), Modes :: [mode()]) -> - {'ok', io_device()} | {'error', posix()}. + {'ok', io_device()} | {'error', posix() | 'system_limit'}. open(Item, ModeList) when is_list(ModeList) -> case lists:member(raw, ModeList) of diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 93d75321ba..327e0f93f1 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -25,6 +25,7 @@ %% socket -export([peername/1, sockname/1, port/1, send/2, setopts/2, getopts/2, + getifaddrs/0, getifaddrs/1, getif/1, getif/0, getiflist/0, getiflist/1, ifget/3, ifget/2, ifset/3, ifset/2, getstat/1, getstat/2, @@ -265,6 +266,17 @@ setopts(Socket, Opts) -> getopts(Socket, Opts) -> prim_inet:getopts(Socket, Opts). +-spec getifaddrs(Socket :: socket()) -> + {'ok', [string()]} | {'error', posix()}. + +getifaddrs(Socket) -> + prim_inet:getifaddrs(Socket). + +-spec getifaddrs() -> {'ok', [string()]} | {'error', posix()}. + +getifaddrs() -> + withsocket(fun(S) -> prim_inet:getifaddrs(S) end). + -spec getiflist(Socket :: socket()) -> {'ok', [string()]} | {'error', posix()}. diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl index cf357b7fba..6f1688c6a2 100644 --- a/lib/kernel/src/inet_int.hrl +++ b/lib/kernel/src/inet_int.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2010. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -82,6 +82,7 @@ -define(INET_REQ_IFGET, 22). -define(INET_REQ_IFSET, 23). -define(INET_REQ_SUBSCRIBE, 24). +-define(INET_REQ_GETIFADDRS, 25). %% TCP requests -define(TCP_REQ_ACCEPT, 40). -define(TCP_REQ_LISTEN, 41). diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl index 92ee7b441a..1e07620a3e 100644 --- a/lib/kernel/src/kernel.erl +++ b/lib/kernel/src/kernel.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. +%% Copyright Ericsson AB 1996-2010. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -143,6 +143,13 @@ init(safe) -> Boot = start_boot_server(), DiskLog = start_disk_log(), Pg2 = start_pg2(), + + %% Run the on_load handlers for all modules that have been + %% loaded so far. Running them at this point means that + %% on_load handlers can safely call kernel processes + %% (and in particular call code:priv_dir/1 or code:lib_dir/1). + init:run_on_load_handlers(), + {ok, {SupFlags, Boot ++ DiskLog ++ Pg2}}. get_code_args() -> diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index c9437df258..6f846ebc56 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -19,7 +19,7 @@ -module(code_SUITE). -include("test_server.hrl"). - +%-compile(export_all). -export([all/1]). -export([set_path/1, get_path/1, add_path/1, add_paths/1, del_path/1, replace_path/1, load_file/1, load_abs/1, ensure_loaded/1, @@ -31,6 +31,7 @@ where_is_file_cached/1, where_is_file_no_cache/1, purge_stacktrace/1, mult_lib_roots/1, bad_erl_libs/1, code_archive/1, code_archive2/1, on_load/1, + big_boot_embedded/1, on_load_embedded/1, on_load_errors/1, native_early_modules/1]). -export([init_per_testcase/2, fin_per_testcase/2, @@ -53,6 +54,7 @@ all(suite) -> where_is_file_no_cache, where_is_file_cached, purge_stacktrace, mult_lib_roots, bad_erl_libs, code_archive, code_archive2, on_load, on_load_embedded, + big_boot_embedded, on_load_errors, native_early_modules]. init_per_suite(Config) -> @@ -584,13 +586,21 @@ clash(Config) when is_list(Config) -> TmpEzFile = Priv++"foobar-0.tmp.ez", ?line {ok, _} = file:copy(DDir++"foobar-0.1.ez", TmpEzFile), ?line true = code:add_path(TmpEzFile++"/foobar-0.1/ebin"), - ?line ok = file:delete(TmpEzFile), + case os:type() of + {win32,_} -> + %% The file wont be deleted on windows until it's closed, why we + %% need to rename instead. + ?line ok = file:rename(TmpEzFile,TmpEzFile++".moved"); + _ -> + ?line ok = file:delete(TmpEzFile) + end, test_server:capture_start(), ?line ok = code:clash(), test_server:capture_stop(), ?line [BadPathMsg|_] = test_server:capture_get(), ?line true = lists:prefix("** Bad path can't read", BadPathMsg), ?line true = code:set_path(P), + file:delete(TmpEzFile++".moved"), %% Only effect on windows ok. ext_mod_dep(suite) -> @@ -1145,6 +1155,22 @@ compile_files([File | Files], SrcDir, OutDir) -> compile_files([], _, _) -> ok. +big_boot_embedded(suite) -> + []; +big_boot_embedded(doc) -> + ["Test that a boot file with (almost) all of OTP can be used to start an" + " embeddedd system."]; +big_boot_embedded(Config) when is_list(Config) -> + ?line {BootArg,AppsInBoot} = create_big_boot(Config), + ?line {ok, Node} = + ?t:start_node(big_boot_embedded, slave, + [{args,"-boot "++BootArg++" -mode embedded"}]), + ?line RemoteNodeApps = + [ {X,Y} || {X,_,Y} <- + rpc:call(Node,application,loaded_applications,[]) ], + ?line true = lists:sort(AppsInBoot) =:= lists:sort(RemoteNodeApps), + ok. + on_load(Config) when is_list(Config) -> Master = on_load_test_case_process, @@ -1281,6 +1307,73 @@ create_script(Config) -> ?line file:close(Fd), {filename:dirname(Name),filename:basename(Name)}. +create_big_boot(Config) -> + ?line {ok, OldDir} = file:get_cwd(), + ?line {Options,Local} = case is_source_dir() of + true -> {[no_module_tests,local],true}; + _ -> {[no_module_tests],false} + end, + ?line {LatestDir,LatestName,Apps} = create_big_script(Config,Local), + ?line ok = file:set_cwd(LatestDir), + ?line ok = systools:make_script(LatestName, Options), + ?line ok = file:set_cwd(OldDir), + {filename:join(LatestDir, LatestName),Apps}. + +% The following apps cannot be loaded +% hipe .app references (or can reference) files that have no +% corresponding beam file (if hipe is not enabled) +filter_app("hipe",_) -> + false; +% Dialyzer and typer depends on hipe +filter_app("dialyzer",_) -> + false; +filter_app("typer",_) -> + false; +% Orber requires explicit configuration +filter_app("orber",_) -> + false; +% cos* depends on orber +filter_app("cos"++_,_) -> + false; +% ic has a mod instruction in the app file but no corresponding start function +filter_app("ic",_) -> + false; +% Netconf has some dependency that I really do not understand (maybe like orber) +filter_app("netconf",_) -> + false; +% Safe has the same kind of error in the .app file as ic +filter_app("safe",_) -> + false; +% OS_mon does not find it's port program when running cerl +filter_app("os_mon",true) -> + false; +% Other apps should be OK. +filter_app(_,_) -> + true. +create_big_script(Config,Local) -> + ?line PrivDir = ?config(priv_dir, Config), + ?line Name = filename:join(PrivDir,"full_script_test"), + ?line InitialApplications=application:loaded_applications(), + %% Applications left loaded by the application suite, unload them! + ?line UnloadFix=[app0,app1,app2,group_leader,app_start_error], + ?line [application:unload(Leftover) || + Leftover <- UnloadFix, + lists:keymember(Leftover,1,InitialApplications) ], + %% Now we should have only "real" applications... + ?line [application:load(list_to_atom(Y)) || {match,[Y]} <- [ re:run(X,code:lib_dir()++"/"++"([^/-]*).*/ebin",[{capture,[1],list}]) || X <- code:get_path()],filter_app(Y,Local)], + ?line Apps = [ {N,V} || {N,_,V} <- application:loaded_applications()], + ?line {ok,Fd} = file:open(Name ++ ".rel", write), + ?line io:format(Fd, + "{release, {\"Test release 3\", \"P2A\"}, \n" + " {erts, \"9.42\"}, \n" + " ~p}.\n", + [Apps]), + ?line file:close(Fd), + ?line NewlyLoaded = + application:loaded_applications() -- InitialApplications, + ?line [ application:unload(N) || {N,_,_} <- NewlyLoaded], + {filename:dirname(Name),filename:basename(Name),Apps}. + is_source_dir() -> filename:basename(code:lib_dir(kernel)) =:= "kernel" andalso filename:basename(code:lib_dir(stdlib)) =:= "stdlib". diff --git a/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl b/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl index a39332f81d..b7fdd4d9ae 100644 --- a/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl +++ b/lib/kernel/test/code_SUITE_data/on_load_app-1.0/src/on_load_embedded.erl @@ -3,6 +3,15 @@ -on_load(run_me/0). run_me() -> + %% An onload handler typically calls code:priv_dir/1 + %% or code:lib_dir/1, so make sure that it works. + LibDir = code:lib_dir(on_load_app), + PrivDir = code:priv_dir(on_load_app), + LibDir = filename:dirname(PrivDir), + ModPath = code:which(?MODULE), + LibDir = filename:dirname(filename:dirname(ModPath)), + + %% Start a process to remember that the on_load was called. spawn(fun() -> register(everything_is_fine, self()), receive Any -> diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl index bbdfbd3cb0..2ff1d7210a 100644 --- a/lib/kernel/test/gen_udp_SUITE.erl +++ b/lib/kernel/test/gen_udp_SUITE.erl @@ -423,7 +423,11 @@ connect(Config) when is_list(Config) -> ?line ok = gen_udp:close(S1), ?line ok = gen_udp:connect(S2, Addr, P1), ?line ok = gen_udp:send(S2, <<16#deadbeef:32>>), - ?line {error,econnrefused} = gen_udp:recv(S2, 0, 5), + ?line ok = case gen_udp:recv(S2, 0, 5) of + {error,econnrefused} -> ok; + {error,econnreset} -> ok; + Other -> Other + end, ok. implicit_inet6(Config) when is_list(Config) -> diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl index f4f27933a5..ec05bf99b9 100644 --- a/lib/kernel/test/inet_SUITE.erl +++ b/lib/kernel/test/inet_SUITE.erl @@ -27,7 +27,7 @@ ipv4_to_ipv6/1, host_and_addr/1, parse/1, t_gethostnative/1, gethostnative_parallell/1, cname_loop/1, gethostnative_soft_restart/1,gethostnative_debug_level/1,getif/1, - getif_ifr_name_overflow/1,getservbyname_overflow/1]). + getif_ifr_name_overflow/1,getservbyname_overflow/1,getifaddrs/1]). -export([get_hosts/1, get_ipv6_hosts/1, parse_hosts/1, parse_address/1, kill_gethost/0, parallell_gethost/0]). @@ -40,7 +40,7 @@ all(suite) -> ipv4_to_ipv6, host_and_addr, parse,t_gethostnative, gethostnative_parallell, cname_loop, gethostnative_debug_level,gethostnative_soft_restart, - getif,getif_ifr_name_overflow,getservbyname_overflow]. + getif,getif_ifr_name_overflow,getservbyname_overflow,getifaddrs]. init_per_testcase(_Func, Config) -> Dog = test_server:timetrap(test_server:seconds(60)), @@ -873,6 +873,14 @@ getif(suite) -> getif(doc) -> ["Tests basic functionality of getiflist, getif, and ifget"]; getif(Config) when is_list(Config) -> + ?line case os:type() of + {unix,Osname} -> + ?line do_getif(Osname); + {_,_} -> + {skip,"inet:getif/0 probably not supported"} + end. + +do_getif(Osname) -> ?line {ok,Hostname} = inet:gethostname(), ?line {ok,Address} = inet:getaddr(Hostname, inet), ?line {ok,Loopback} = inet:getaddr("localhost", inet), @@ -887,7 +895,8 @@ getif(Config) when is_list(Config) -> end end, [], Interfaces)), ?line io:format("HWAs = ~p~n", [HWAs]), - ?line length(HWAs) > 0 orelse ?t:fail(no_HWAs), + ?line (Osname =/= sunos) + andalso ((length(HWAs) > 0) orelse (?t:fail(no_HWAs))), ?line Addresses = lists:sort( lists:foldl( @@ -906,6 +915,14 @@ getif(Config) when is_list(Config) -> getif_ifr_name_overflow(doc) -> "Test long interface names do not overrun buffer"; getif_ifr_name_overflow(Config) when is_list(Config) -> + ?line case os:type() of + {unix,Osname} -> + ?line do_getif_ifr_name_overflow(Osname); + {_,_} -> + {skip,"inet:ifget/2 probably not supported"} + end. + +do_getif_ifr_name_overflow(_) -> %% emulator should not crash ?line {ok,[]} = inet:ifget(lists:duplicate(128, "x"), [addr]), ok. @@ -917,6 +934,112 @@ getservbyname_overflow(Config) when is_list(Config) -> ?line {error,einval} = inet:getservbyname(list_to_atom(lists:flatten(lists:duplicate(128, "x"))), tcp), ok. +getifaddrs(doc) -> + "Test inet:gifaddrs/0"; +getifaddrs(Config) when is_list (Config) -> + ?line {ok,IfAddrs} = inet:getifaddrs(), + ?line ?t:format("IfAddrs = ~p.~n", [IfAddrs]), + ?line + case + {os:type(), + [If || + {If,Opts} <- IfAddrs, + lists:keymember(hwaddr, 1, Opts)]} of + {{unix,sunos},[]} -> ok; + {OT,[]} -> + ?t:fail({should_have_hwaddr,OT}); + _ -> ok + end, + ?line Addrs = + [element(1, A) || A <- ifaddrs(IfAddrs)], + ?line ?t:format("Addrs = ~p.~n", [Addrs]), + ?line [check_addr(Addr) || Addr <- Addrs], + ok. + +check_addr(Addr) + when tuple_size(Addr) =:= 8, + element(1, Addr) band 16#FFC0 =:= 16#FE80 -> + ?line ?t:format("Addr: ~p link local; SKIPPED!~n", [Addr]), + ok; +check_addr(Addr) -> + ?line ?t:format("Addr: ~p.~n", [Addr]), + ?line Ping = "ping", + ?line Pong = "pong", + ?line {ok,L} = gen_tcp:listen(0, [{ip,Addr},{active,false}]), + ?line {ok,P} = inet:port(L), + ?line {ok,S1} = gen_tcp:connect(Addr, P, [{active,false}]), + ?line {ok,S2} = gen_tcp:accept(L), + ?line ok = gen_tcp:send(S2, Ping), + ?line {ok,Ping} = gen_tcp:recv(S1, length(Ping)), + ?line ok = gen_tcp:send(S1, Pong), + ?line ok = gen_tcp:close(S1), + ?line {ok,Pong} = gen_tcp:recv(S2, length(Pong)), + ?line ok = gen_tcp:close(S2), + ?line ok = gen_tcp:close(L), + ok. + +-record(ifopts, {name,flags,addrs=[],hwaddr}). + +ifaddrs([]) -> []; +ifaddrs([{If,Opts}|IOs]) -> + ?line #ifopts{flags=Flags} = Ifopts = + check_ifopts(Opts, #ifopts{name=If}), + ?line case Flags =/= undefined andalso lists:member(up, Flags) of + true -> + Ifopts#ifopts.addrs; + false -> + [] + end++ifaddrs(IOs). + +check_ifopts([], #ifopts{name=If,flags=Flags,addrs=Raddrs}=Ifopts) -> + Addrs = lists:reverse(Raddrs), + R = Ifopts#ifopts{addrs=Addrs}, + ?t:format("~p.~n", [R]), + %% See how we did... + if is_list(Flags) -> ok; + true -> + ?t:fail({flags_undefined,If}) + end, + case lists:member(broadcast, Flags) of + true -> + [case A of + {_,_,_} -> A; + {T,_} when tuple_size(T) =:= 8 -> A; + _ -> + ?t:fail({broaddr_missing,If,A}) + end || A <- Addrs]; + false -> + [case A of {_,_} -> A; + _ -> + ?t:fail({should_have_netmask,If,A}) + end || A <- Addrs] + end, + R; +check_ifopts([{flags,Flags}|Opts], #ifopts{flags=undefined}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{flags=Flags}); +check_ifopts([{flags,Fs}|Opts], #ifopts{flags=Flags}=Ifopts) -> + case Fs of + Flags -> + check_ifopts(Opts, Ifopts#ifopts{}); + _ -> + ?t:fail({multiple_flags,Fs,Ifopts}) + end; +check_ifopts( + [{addr,Addr},{netmask,Netmask},{broadaddr,Broadaddr}|Opts], + #ifopts{addrs=Addrs}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr,Netmask,Broadaddr}|Addrs]}); +check_ifopts( + [{addr,Addr},{netmask,Netmask}|Opts], + #ifopts{addrs=Addrs}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr,Netmask}|Addrs]}); +check_ifopts([{addr,Addr}|Opts], #ifopts{addrs=Addrs}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr}|Addrs]}); +check_ifopts([{hwaddr,Hwaddr}|Opts], #ifopts{hwaddr=undefined}=Ifopts) + when is_list(Hwaddr) -> + check_ifopts(Opts, Ifopts#ifopts{hwaddr=Hwaddr}); +check_ifopts([{hwaddr,HwAddr}|_], #ifopts{}=Ifopts) -> + ?t:fail({multiple_hwaddrs,HwAddr,Ifopts}). + %% Works just like lists:member/2, except that any {127,_,_,_} tuple %% matches any other {127,_,_,_}. We do this to handle Linux systems %% that use (for instance) 127.0.1.1 as the IP address for the hostname. |