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-rw-r--r--erts/emulator/nifs/common/socket_dbg.c18
-rw-r--r--erts/emulator/nifs/common/socket_dbg.h4
-rw-r--r--erts/emulator/nifs/common/socket_int.h1
-rw-r--r--erts/emulator/nifs/common/socket_nif.c180
-rw-r--r--erts/emulator/test/socket_SUITE.erl76
-rw-r--r--erts/preloaded/ebin/socket.beambin75044 -> 75584 bytes
-rw-r--r--erts/preloaded/src/socket.erl41
7 files changed, 302 insertions, 18 deletions
diff --git a/erts/emulator/nifs/common/socket_dbg.c b/erts/emulator/nifs/common/socket_dbg.c
index 7dfc4b77bc..0005575017 100644
--- a/erts/emulator/nifs/common/socket_dbg.c
+++ b/erts/emulator/nifs/common/socket_dbg.c
@@ -37,23 +37,23 @@
#define TNAME(__T__) enif_thread_name( __T__ )
#define TSNAME() TNAME(TSELF())
-static FILE* dbgout = NULL;
+FILE* esock_dbgout = NULL;
extern
void esock_dbg_init(char* filename)
{
if (filename != NULL) {
if (strcmp(filename, ESOCK_DBGOUT_DEFAULT) == 0) {
- dbgout = stdout;
+ esock_dbgout = stdout;
} else if (strcmp(filename, ESOCK_DBGOUT_UNIQUE) == 0) {
- char template[] = "/tmp/esock-dbg-XXXXXX";
- dbgout = fdopen(mkstemp(template), "w+");
+ char template[] = "/tmp/esock-dbg-XXXXXX";
+ esock_dbgout = fdopen(mkstemp(template), "w+");
} else {
- dbgout = fopen(filename, "w+");
+ esock_dbgout = fopen(filename, "w+");
}
} else {
char template[] = "/tmp/esock-dbg-XXXXXX";
- dbgout = fdopen(mkstemp(template), "w+");
+ esock_dbgout = fdopen(mkstemp(template), "w+");
}
}
@@ -67,7 +67,7 @@ extern
void esock_dbg_printf( const char* prefix, const char* format, ... )
{
va_list args;
- char f[512 + sizeof(format)]; // This has to suffice...
+ char f[512 + strlen(format)]; // This has to suffice...
char stamp[30];
int res;
@@ -87,9 +87,9 @@ void esock_dbg_printf( const char* prefix, const char* format, ... )
if (res > 0) {
va_start (args, format);
- enif_vfprintf (dbgout, f, args);
+ enif_vfprintf (esock_dbgout, f, args);
va_end (args);
- fflush(dbgout);
+ fflush(esock_dbgout);
}
return;
diff --git a/erts/emulator/nifs/common/socket_dbg.h b/erts/emulator/nifs/common/socket_dbg.h
index 47739b46da..8fce211a8a 100644
--- a/erts/emulator/nifs/common/socket_dbg.h
+++ b/erts/emulator/nifs/common/socket_dbg.h
@@ -40,12 +40,12 @@
#endif
typedef unsigned long long llu_t;
-
+extern FILE* esock_dbgout; // Initiated by the 'init' function
#define ESOCK_DBG_PRINTF( ___COND___ , proto ) \
if ( ___COND___ ) { \
esock_dbg_printf proto; \
- fflush(stdout); \
+ fflush(esock_dbgout); \
}
diff --git a/erts/emulator/nifs/common/socket_int.h b/erts/emulator/nifs/common/socket_int.h
index d6977be5aa..ac689e82b1 100644
--- a/erts/emulator/nifs/common/socket_int.h
+++ b/erts/emulator/nifs/common/socket_int.h
@@ -130,6 +130,7 @@ typedef unsigned int BOOLEAN_T;
GLOBAL_ATOM_DEF(busy_poll); \
GLOBAL_ATOM_DEF(checksum); \
GLOBAL_ATOM_DEF(close); \
+ GLOBAL_ATOM_DEF(command); \
GLOBAL_ATOM_DEF(connect); \
GLOBAL_ATOM_DEF(congestion); \
GLOBAL_ATOM_DEF(context); \
diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c
index 56a16a87a1..8b0d7ce4a9 100644
--- a/erts/emulator/nifs/common/socket_nif.c
+++ b/erts/emulator/nifs/common/socket_nif.c
@@ -659,6 +659,7 @@ typedef union {
/* We should *eventually* use this instead of hard-coding the size (to 1) */
#define ESOCK_RECVMSG_IOVEC_SZ 1
+#define SOCKET_CMD_DEBUG 0x0001
#define SOCKET_SUPPORTS_OPTIONS 0x0001
#define SOCKET_SUPPORTS_SCTP 0x0002
@@ -948,6 +949,7 @@ extern char* erl_errno_id(int error); /* THIS IS JUST TEMPORARY??? */
* does the actual work. Except for the info function.
*
* nif_info
+ * nif_command
* nif_supports
* nif_open
* nif_bind
@@ -973,6 +975,7 @@ extern char* erl_errno_id(int error); /* THIS IS JUST TEMPORARY??? */
#define ESOCK_NIF_FUNCS \
ESOCK_NIF_FUNC_DEF(info); \
+ ESOCK_NIF_FUNC_DEF(command); \
ESOCK_NIF_FUNC_DEF(supports); \
ESOCK_NIF_FUNC_DEF(open); \
ESOCK_NIF_FUNC_DEF(bind); \
@@ -1004,7 +1007,17 @@ ESOCK_NIF_FUNCS
#if !defined(__WIN32__)
+
/* And here comes the functions that does the actual work (for the most part) */
+static BOOLEAN_T ecommand2command(ErlNifEnv* env,
+ ERL_NIF_TERM ecommand,
+ Uint16* command,
+ ERL_NIF_TERM* edata);
+static ERL_NIF_TERM ncommand(ErlNifEnv* env,
+ Uint16 cmd,
+ ERL_NIF_TERM ecdata);
+static ERL_NIF_TERM ncommand_debug(ErlNifEnv* env, ERL_NIF_TERM ecdata);
+
static ERL_NIF_TERM nsupports(ErlNifEnv* env, int key);
static ERL_NIF_TERM nsupports_options(ErlNifEnv* env);
static ERL_NIF_TERM nsupports_options_socket(ErlNifEnv* env);
@@ -2661,6 +2674,7 @@ static char str_exsend[] = "exsend"; // failed send
GLOBAL_ATOM_DECL(busy_poll); \
GLOBAL_ATOM_DECL(checksum); \
GLOBAL_ATOM_DECL(close); \
+ GLOBAL_ATOM_DECL(command); \
GLOBAL_ATOM_DECL(connect); \
GLOBAL_ATOM_DECL(congestion); \
GLOBAL_ATOM_DECL(context); \
@@ -2967,8 +2981,8 @@ static ESOCK_INLINE ErlNifEnv* esock_alloc_env(const char* slogan)
* Utility and admin functions:
* ----------------------------
* nif_info/0
+ * nif_command/1
* nif_supports/1
- * (nif_debug/1)
*
* The "proper" socket functions:
* ------------------------------
@@ -3055,6 +3069,112 @@ ERL_NIF_TERM nif_info(ErlNifEnv* env,
}
+/* ----------------------------------------------------------------------
+ * nif_command
+ *
+ * Description:
+ * This function is intended to handle "various" commands. That is,
+ * commands and operations that are not part of the socket API proper.
+ * Currently it handles setting the global debug. Its a map with two
+ * attributes command and (command) data:
+ * #{command :: atom(), data :: term()}
+ *
+ * Command Data
+ * debug boolean()
+ *
+ */
+
+static
+ERL_NIF_TERM nif_command(ErlNifEnv* env,
+ int argc,
+ const ERL_NIF_TERM argv[])
+{
+#if defined(__WIN32__)
+ return enif_raise_exception(env, MKA(env, "notsup"));
+#else
+ ERL_NIF_TERM ecmd, ecdata, result;
+ Uint16 cmd;
+
+ SGDBG( ("SOCKET", "nif_command -> entry with %d args\r\n", argc) );
+
+ if ((argc != 1) ||
+ !IS_MAP(env, argv[0])) {
+ return enif_make_badarg(env);
+ }
+ ecmd = argv[0];
+
+ SGDBG( ("SOCKET", "nif_command -> "
+ "\r\n (e) command: %T"
+ "\r\n", ecmd) );
+
+ if (!ecommand2command(env, ecmd, &cmd, &ecdata)) {
+ SGDBG( ("SOCKET", "nif_command -> invalid command\r\n") );
+ return esock_make_error(env, esock_atom_einval);
+ }
+
+ SGDBG( ("SOCKET", "nif_command -> "
+ "\r\n command: %d"
+ "\r\n (e) command data: %T"
+ "\r\n", cmd, ecdata) );
+
+ result = ncommand(env, cmd, ecdata);
+
+ SGDBG( ("SOCKET", "nif_command -> done with result: "
+ "\r\n %T"
+ "\r\n", result) );
+
+ return result;
+
+#endif
+}
+
+
+#if !defined(__WIN32__)
+static
+ERL_NIF_TERM ncommand(ErlNifEnv* env, Uint16 cmd, ERL_NIF_TERM ecdata)
+{
+ ERL_NIF_TERM result;
+
+ SGDBG( ("SOCKET", "ncommand -> entry with 0x%lX\r\n", cmd) );
+
+ switch (cmd) {
+ case SOCKET_CMD_DEBUG:
+ result = ncommand_debug(env, ecdata);
+ break;
+
+ default:
+ result = esock_make_error(env, esock_atom_einval);
+ break;
+ }
+
+ return result;
+}
+
+
+
+static
+ERL_NIF_TERM ncommand_debug(ErlNifEnv* env, ERL_NIF_TERM ecdata)
+{
+ ERL_NIF_TERM result;
+
+ /* The data *should* be a boolean() */
+
+ if (COMPARE(ecdata, esock_atom_true) == 0) {
+ data.dbg = TRUE;
+ result = esock_atom_ok;
+ } else if (COMPARE(ecdata, esock_atom_false) == 0) {
+ data.dbg = FALSE;
+ result = esock_atom_ok;
+ } else {
+ SGDBG( ("SOCKET", "ncommand_debug -> invalid debug value: %T\r\n",
+ ecdata) );
+ result = esock_make_error(env, esock_atom_einval);
+ }
+
+ return result;
+}
+#endif
+
/* ----------------------------------------------------------------------
* nif_supports
@@ -17609,6 +17729,59 @@ BOOLEAN_T ehow2how(unsigned int ehow, int* how)
+/* ecommand2command - convert erlang command to "native" command (and data)
+ */
+static
+BOOLEAN_T ecommand2command(ErlNifEnv* env,
+ ERL_NIF_TERM ecommand,
+ Uint16* command,
+ ERL_NIF_TERM* edata)
+{
+ size_t sz;
+ ERL_NIF_TERM ecmd;
+
+ if (!IS_MAP(env, ecommand)) {
+ SGDBG( ("SOCKET", "ecommand2command -> (e)command not a map\r\n") );
+ return FALSE;
+ }
+
+ /* The map shall have exactly two attrbutes:
+ * 'command' and 'data'
+ */
+ if (!enif_get_map_size(env, ecommand, &sz) || (sz != 2)) {
+ SGDBG( ("SOCKET", "ecommand2command -> comamnd map size invalid\r\n") );
+ return FALSE;
+ }
+
+ /* Get the command value, and transform into integer
+ * (might as well do that, since theer is no point in
+ * extracting the data if command is invalid).
+ */
+ if (!GET_MAP_VAL(env, ecommand, esock_atom_command, &ecmd)) {
+ SGDBG( ("SOCKET", "ecommand2command -> command attribute not found\r\n") );
+ return FALSE;
+ }
+ if (COMPARE(ecmd, esock_atom_debug) == 0) {
+ *command = SOCKET_CMD_DEBUG;
+ } else {
+ SGDBG( ("SOCKET", "ecommand2command -> unknown command %T\r\n", ecmd) );
+ return FALSE;
+ }
+
+ /* Get the command data value, we do *not* convert it to
+ * the native form (here) since it may "in theory" be complex.
+ */
+ if (!GET_MAP_VAL(env, ecommand, esock_atom_data, edata)) {
+ SGDBG( ("SOCKET", "ecommand2command -> (command) data not found\r\n") );
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+
+
#if defined(HAVE_SYS_UN_H) || defined(SO_BINDTODEVICE)
/* strnlen doesn't exist everywhere */
/*
@@ -19019,12 +19192,9 @@ ErlNifFunc socket_funcs[] =
// Some utility and support functions
{"nif_info", 0, nif_info, 0},
{"nif_supports", 1, nif_supports, 0},
- // {"nif_debug", 1, nif_debug, 0},
- // {"nif_command", 1, nif_command, 0},
+ {"nif_command", 1, nif_command, 0},
// The proper "socket" interface
- // nif_open/1 is used when we already have a file descriptor
- // {"nif_open", 1, nif_open, 0},
{"nif_open", 4, nif_open, 0},
{"nif_bind", 2, nif_bind, 0},
{"nif_connect", 2, nif_connect, 0},
diff --git a/erts/emulator/test/socket_SUITE.erl b/erts/emulator/test/socket_SUITE.erl
index c82e2efad9..410582f4a1 100644
--- a/erts/emulator/test/socket_SUITE.erl
+++ b/erts/emulator/test/socket_SUITE.erl
@@ -67,6 +67,9 @@
%% Test cases
-export([
+ %% *** API Misc ***
+ api_m_debug/1,
+
%% *** API Basic ***
api_b_open_and_close_udp4/1,
api_b_open_and_close_tcp4/1,
@@ -583,6 +586,7 @@ use_group(Group, Env, Default) ->
groups() ->
[{api, [], api_cases()},
+ {api_misc, [], api_misc_cases()},
{api_basic, [], api_basic_cases()},
{api_async, [], api_async_cases()},
{api_options, [], api_options_cases()},
@@ -660,12 +664,18 @@ groups() ->
api_cases() ->
[
+ {group, api_misc},
{group, api_basic},
{group, api_async},
{group, api_options},
{group, api_op_with_timeout}
].
+api_misc_cases() ->
+ [
+ api_m_debug
+ ].
+
api_basic_cases() ->
[
api_b_open_and_close_udp4,
@@ -1650,6 +1660,72 @@ quiet_mode(Config) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
+%% API MISC %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% A simple test case that tests that the global debug can be channged.
+%% At the same time, it will test the info function (since it uses it
+%% for verification).
+
+api_m_debug(suite) ->
+ [];
+api_m_debug(doc) ->
+ [];
+api_m_debug(_Config) when is_list(_Config) ->
+ ?TT(?SECS(5)),
+ tc_try(api_m_debug,
+ fun() -> has_bugfree_gcc() end,
+ fun() ->
+ ok = api_m_debug()
+ end).
+
+%% For some reason this test case triggers a gcc bug, which causes
+%% a segfault, on an ancient Fedora 16 VM. So, check the version of gcc...
+%% Not pretty, but the simplest way to skip (without actually testing for the host).
+has_bugfree_gcc() ->
+ has_bugfree_gcc(os:type()).
+
+%% Make sure we are on linux
+has_bugfree_gcc({unix, linux}) ->
+ has_bugfree_gcc2(os:cmd("cat /etc/issue"));
+has_bugfree_gcc(_) ->
+ ok.
+
+%% Make sure we are on Fedora 16
+has_bugfree_gcc2("Fedora release 16 " ++ _) ->
+ has_bugfree_gcc3(os:cmd("gcc --version"));
+has_bugfree_gcc2(_) ->
+ ok.
+
+has_bugfree_gcc3("gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2" ++ _) ->
+ skip("Buggy GCC");
+has_bugfree_gcc3(_) ->
+ ok.
+
+api_m_debug() ->
+ i("get initial info"),
+ #{debug := D0} = socket:info(),
+ D1 = not D0,
+ i("set new debug (~w => ~w)", [D0, D1]),
+ ok = socket:debug(D1),
+ i("get updated info (~w)", [D1]),
+ #{debug := D1} = socket:info(),
+ D2 = not D1,
+ i("set new debug (~w => ~w)", [D1, D2]),
+ ok = socket:debug(D2),
+ i("get updated info (~w)", [D2]),
+ #{debug := D2} = socket:info(),
+ i("ok"),
+ ok.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
%% API BASIC %%
%% %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/erts/preloaded/ebin/socket.beam b/erts/preloaded/ebin/socket.beam
index 134b4eac13..c4680c2baa 100644
--- a/erts/preloaded/ebin/socket.beam
+++ b/erts/preloaded/ebin/socket.beam
Binary files differ
diff --git a/erts/preloaded/src/socket.erl b/erts/preloaded/src/socket.erl
index ae1ffdb4ac..e9a76dc1e9 100644
--- a/erts/preloaded/src/socket.erl
+++ b/erts/preloaded/src/socket.erl
@@ -26,9 +26,13 @@
%% Administrative and "global" utility functions
-export([
on_load/0, on_load/1,
+
+ ensure_sockaddr/1,
+
+ debug/1,
+ %% command/1,
info/0,
- supports/0, supports/1, supports/2, supports/3,
- ensure_sockaddr/1
+ supports/0, supports/1, supports/2, supports/3
]).
-export([
@@ -63,6 +67,8 @@
select_ref/0,
select_info/0,
+ %% command/0,
+
domain/0,
type/0,
protocol/0,
@@ -135,6 +141,18 @@
]).
+%% The command type has the general form:
+%% #{
+%% command := atom(),
+%% data := term()
+%% }
+%% But only certain values are actually valid, so the type gets the form:
+-type debug_command() :: #{
+ command := debug,
+ data := boolean()
+ }.
+%% -type command() :: debug_command().
+
-type uint8() :: 0..16#FF.
-type uint16() :: 0..16#FFFF.
-type uint20() :: 0..16#FFFFF.
@@ -867,6 +885,22 @@ info() ->
nif_info().
+-spec debug(D) -> ok when
+ D :: boolean().
+
+debug(D) when is_boolean(D) ->
+ command(#{command => debug,
+ data => D}).
+
+
+-spec command(Command) -> ok when
+ Command :: debug_command().
+
+command(#{command := debug,
+ data := Dbg} = Command) when is_boolean(Dbg) ->
+ nif_command(Command).
+
+
%% ===========================================================================
%%
@@ -3845,6 +3879,9 @@ error(Reason) ->
nif_info() ->
erlang:nif_error(undef).
+nif_command(_Command) ->
+ erlang:nif_error(undef).
+
nif_supports(_Key) ->
erlang:nif_error(undef).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 23:28:04 +0000