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-rw-r--r--erts/emulator/drivers/common/inet_drv.c638
-rw-r--r--erts/preloaded/ebin/prim_inet.beambin77932 -> 79028 bytes
-rw-r--r--erts/preloaded/src/prim_inet.erl85
-rw-r--r--lib/kernel/doc/src/gen_sctp.xml69
-rw-r--r--lib/kernel/doc/src/gen_tcp.xml16
-rw-r--r--lib/kernel/doc/src/gen_udp.xml35
-rw-r--r--lib/kernel/doc/src/inet.xml123
-rw-r--r--lib/kernel/src/gen_sctp.erl18
-rw-r--r--lib/kernel/src/gen_tcp.erl16
-rw-r--r--lib/kernel/src/gen_udp.erl19
-rw-r--r--lib/kernel/src/inet.erl19
-rw-r--r--lib/kernel/src/inet6_tcp.erl8
-rw-r--r--lib/kernel/src/inet_int.hrl7
-rw-r--r--lib/kernel/src/inet_tcp.erl8
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl2
15 files changed, 922 insertions, 141 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 2048d0f625..f9a471afd5 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -624,6 +624,26 @@ static size_t my_strnlen(const char *s, size_t maxlen)
# define VALGRIND_MAKE_MEM_DEFINED(ptr,size)
#endif
+#ifndef __WIN32__
+/* Calculate CMSG_NXTHDR without having a struct msghdr*
+ * CMSG_LEN only caters for alignment for start of data.
+ * To get how much to advance we need to use CMSG_SPACE
+ * on the payload length. To get the payload length we
+ * take the calculated cmsg->cmsg_len and subtract the
+ * header length. To get the header length we use
+ * CMSG_LEN with payload length 0.
+ */
+#define LEN_CMSG_DATA(cmsg) ((char*)CMSG_DATA(cmsg) - (char*)(cmsg))
+#define NXT_CMSG_HDR(cmsg) \
+ ((struct cmsghdr*) \
+ (((char*)(cmsg)) + \
+ CMSG_SPACE((cmsg)->cmsg_len - LEN_CMSG_DATA(cmsg))))
+#endif
+
+#if !defined(IPV6_PKTOPTIONS) && defined(IPV6_2292PKTOPTIONS)
+#define IPV6_PKTOPTIONS IPV6_2292PKTOPTIONS
+#endif
+
/*
Magic errno value used locally for return of {error, system_limit}
- the emulator definition of SYSTEM_LIMIT is not available here.
@@ -787,6 +807,11 @@ static size_t my_strnlen(const char *s, size_t maxlen)
#define INET_LOPT_LINE_DELIM 40 /* Line delimiting char */
#define INET_OPT_TCLASS 41 /* IPv6 transport class */
#define INET_OPT_BIND_TO_DEVICE 42 /* get/set network device the socket is bound to */
+#define INET_OPT_RECVTOS 43 /* IP_RECVTOS ancillary data */
+#define INET_OPT_RECVTCLASS 44 /* IPV6_RECVTCLASS ancillary data */
+#define INET_OPT_PKTOPTIONS 45 /* IP(V6)_PKTOPTIONS get ancillary data */
+#define INET_OPT_TTL 46 /* IP_TTL */
+#define INET_OPT_RECVTTL 47 /* IP_RECVTTL ancillary data */
/* SCTP options: a separate range, from 100: */
#define SCTP_OPT_RTOINFO 100
#define SCTP_OPT_ASSOCINFO 101
@@ -862,6 +887,11 @@ static size_t my_strnlen(const char *s, size_t maxlen)
#define SCTP_FLAG_SACDELAY_ENABLE (32 /* am_sackdelay_enable */)
#define SCTP_FLAG_SACDELAY_DISABLE (64 /* am_sackdelay_disable */)
+/* Flags for recv_cmsgflags */
+#define INET_CMSG_RECVTOS (1 << 0) /* am_recvtos, am_tos */
+#define INET_CMSG_RECVTCLASS (1 << 1) /* am_recvtclass, am_tclass */
+#define INET_CMSG_RECVTTL (1 << 2) /* am_recvttl, am_ttl */
+
/*
** End of interface constants.
**--------------------------------------------------------------------------*/
@@ -1084,6 +1114,7 @@ typedef struct {
char *netns; /* Socket network namespace name
as full file path */
#endif
+ int recv_cmsgflags; /* Which ancillary data to expect */
} inet_descriptor;
@@ -1336,6 +1367,11 @@ static ErlDrvTermData am_udp_error;
#ifdef HAVE_SYS_UN_H
static ErlDrvTermData am_local;
#endif
+#ifndef __WIN32__
+static ErlDrvTermData am_tos;
+static ErlDrvTermData am_tclass;
+static ErlDrvTermData am_ttl;
+#endif
#ifdef HAVE_SCTP
static ErlDrvTermData am_sctp;
static ErlDrvTermData am_sctp_passive;
@@ -1356,8 +1392,9 @@ static ErlDrvTermData am_sndbuf;
static ErlDrvTermData am_reuseaddr;
static ErlDrvTermData am_dontroute;
static ErlDrvTermData am_priority;
-static ErlDrvTermData am_tos;
-static ErlDrvTermData am_tclass;
+static ErlDrvTermData am_recvtos;
+static ErlDrvTermData am_recvtclass;
+static ErlDrvTermData am_recvttl;
static ErlDrvTermData am_ipv6_v6only;
static ErlDrvTermData am_netns;
static ErlDrvTermData am_bind_to_device;
@@ -1548,10 +1585,10 @@ static void *realloc_wrapper(void *current, ErlDrvSizeT size){
# define ASSOC_ID_LEN 4
# define LOAD_ASSOC_ID LOAD_UINT
# define LOAD_ASSOC_ID_CNT LOAD_UINT_CNT
-# define SCTP_ANC_BUFF_SIZE INET_DEF_BUFFER/2 /* XXX: not very good... */
#else
# define IS_SCTP(desc) 0
#endif
+# define ANC_BUFF_SIZE INET_DEF_BUFFER/2 /* XXX: not very good... */
#ifdef HAVE_UDP
static int load_address(ErlDrvTermData* spec, int i, char* buf)
@@ -2752,6 +2789,44 @@ static int inet_async_data(inet_descriptor* desc, const char* buf, int len)
}
}
+#ifndef __WIN32__
+static int parse_ancillary_data_item(ErlDrvTermData *spec, int i,
+ struct cmsghdr *cmsg, int *n) {
+#define LOAD_CMSG(proto, type, vtype, am, load) \
+ if (cmsg->cmsg_level == (proto) && \
+ cmsg->cmsg_type == (type)) { \
+ vtype *vp; \
+ vp = (vtype *)CMSG_DATA(cmsg); \
+ i = LOAD_ATOM(spec, i, (am)); \
+ i = load(spec, i, *vp); \
+ i = LOAD_TUPLE(spec, i, 2); \
+ (*n)++; \
+ return i; \
+ }
+#if defined(IPPROTO_IP) && defined(IP_TOS)
+ LOAD_CMSG(IPPROTO_IP, IP_TOS, unsigned char, am_tos, LOAD_INT);
+#endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+ LOAD_CMSG(IPPROTO_IPV6, IPV6_TCLASS, unsigned char, am_tclass, LOAD_INT);
+#endif
+#if defined(IPPROTO_IP) && defined(IP_TTL)
+ LOAD_CMSG(IPPROTO_IP, IP_TTL, unsigned char, am_ttl, LOAD_INT);
+#endif
+ /* BSD uses the RECV* names in CMSG fields */
+#if defined(IPPROTO_IP) && defined(IP_RECVTOS)
+ LOAD_CMSG(IPPROTO_IP, IP_RECVTOS, unsigned char, am_tos, LOAD_INT);
+#endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_RECVTCLASS)
+ LOAD_CMSG(IPPROTO_IPV6, IPV6_RECVTCLASS, unsigned char, am_tclass, LOAD_INT);
+#endif
+#if defined(IPPROTO_IP) && defined(IP_RECVTTL)
+ LOAD_CMSG(IPPROTO_IP, IP_RECVTTL, unsigned char, am_ttl, LOAD_INT);
+#endif
+#undef LOAD_CMSG
+ return i;
+}
+#endif /* #ifndef __WIN32__ */
+
#ifdef HAVE_SCTP
/*
** SCTP-related atoms:
@@ -2883,11 +2958,18 @@ static int sctp_parse_ancillary_data
for (cmsg = frst_msg; cmsg != NULL; cmsg = CMSG_NXTHDR(mptr,cmsg))
{
struct sctp_sndrcvinfo * sri;
-
+#ifndef __WIN32
+ int old_s;
+
+ /* Parse ancillary data common to UDP */
+ old_s = s;
+ i = parse_ancillary_data_item(spec, i, cmsg, &s);
+ if (s > old_s) continue;
/* Skip other possible ancillary data, e.g. from IPv6: */
if (cmsg->cmsg_level != IPPROTO_SCTP ||
cmsg->cmsg_type != SCTP_SNDRCV)
continue;
+#endif
if (((char*)cmsg + cmsg->cmsg_len) - (char*)frst_msg >
mptr->msg_controllen)
@@ -3227,6 +3309,23 @@ static int sctp_parse_async_event
}
#endif /* HAVE_SCTP */
+#ifndef __WIN32__
+static int udp_parse_ancillary_data(ErlDrvTermData *spec, int i,
+ struct msghdr *mptr) {
+ struct cmsghdr *cmsg;
+ int n;
+
+ n = 0;
+ for (cmsg = CMSG_FIRSTHDR(mptr);
+ cmsg != NULL;
+ cmsg = CMSG_NXTHDR(mptr, cmsg)) {
+ i = parse_ancillary_data_item(spec, i, cmsg, &n);
+ }
+ i = LOAD_NIL(spec, i);
+ return LOAD_LIST(spec, i, n+1);
+}
+#endif /* ifndef __WIN32__ */
+
/*
** passive mode reply:
** for UDP:
@@ -3249,7 +3348,7 @@ static int sctp_parse_async_event
static int
inet_async_binary_data
(inet_descriptor* desc, unsigned int phsz,
- ErlDrvBinary * bin, int offs, int len, void * extra)
+ ErlDrvBinary * bin, int offs, int len, void *mp)
{
unsigned int hsz = desc->hsz + phsz;
ErlDrvTermData spec [PACKET_ERL_DRV_TERM_DATA_LEN];
@@ -3282,9 +3381,10 @@ inet_async_binary_data
if (IS_SCTP(desc))
{ /* For SCTP we always have desc->hsz==0 (i.e., no application-level
headers are used), so hsz==phsz (see above): */
- struct msghdr* mptr;
int sz;
-
+ struct msghdr *mptr;
+
+ mptr = mp;
ASSERT (hsz == phsz && hsz != 0);
sz = len - hsz; /* Size of the msg data proper, w/o the addr */
@@ -3292,7 +3392,6 @@ inet_async_binary_data
i = LOAD_STRING(spec, i, bin->orig_bytes+offs, hsz);
/* Put in the list (possibly empty) of Ancillary Data: */
- mptr = (struct msghdr *) extra;
i = sctp_parse_ancillary_data (spec, i, mptr);
/* Then: Data or Event (Notification)? */
@@ -3321,20 +3420,32 @@ inet_async_binary_data
}
else
#endif /* HAVE_SCTP */
- /* Generic case. Both Addr and Data (or a single list of them together) are
- returned: */
+ {
+ /* Generic case. Both Addr and Data
+ * (or a single list of them together) are returned: */
- if ((desc->mode == INET_MODE_LIST) || (hsz > len)) {
- /* INET_MODE_LIST => [H1,H2,...Hn] */
- i = LOAD_STRING(spec, i, bin->orig_bytes+offs, len);
- }
- else {
- /* INET_MODE_BINARY => [H1,H2,...HSz | Binary] or [Binary]: */
- int sz = len - hsz;
- i = LOAD_BINARY(spec, i, bin, offs+hsz, sz);
- if (hsz > 0)
- i = LOAD_STRING_CONS(spec, i, bin->orig_bytes+offs, hsz);
+ if ((desc->mode == INET_MODE_LIST) || (hsz > len)) {
+ /* INET_MODE_LIST => [H1,H2,...Hn] */
+ i = LOAD_STRING(spec, i, bin->orig_bytes+offs, len);
+ }
+ else {
+ /* INET_MODE_BINARY => [H1,H2,...HSz | Binary] or [Binary]: */
+ int sz = len - hsz;
+ i = LOAD_BINARY(spec, i, bin, offs+hsz, sz);
+ if (hsz > 0)
+ i = LOAD_STRING_CONS(spec, i, bin->orig_bytes+offs, hsz);
+ }
+
+#ifndef __WIN32__
+ if (mp) {
+ /* We got ancillary data from an UDP recvmsg.
+ * Insert an additional tuple level {[F|AddrData],AncData} */
+ i = udp_parse_ancillary_data(spec, i, (struct msghdr*)mp);
+ i = LOAD_TUPLE(spec, i, 2);
+ }
+#endif
}
+
/* Close up the {ok, ...} or {error, ...} tuple: */
i = LOAD_TUPLE(spec, i, 2);
@@ -3466,8 +3577,9 @@ static int tcp_error_message(tcp_descriptor* desc, int err)
** [AddrLen, H2,...,HSz] are msg headers for UDP AF_UNIX only
** Data : List() | Binary()
*/
-static int packet_binary_message
- (inet_descriptor* desc, ErlDrvBinary* bin, int offs, int len, void* extra)
+static int packet_binary_message(inet_descriptor* desc,
+ ErlDrvBinary* bin, int offs, int len,
+ void *mp)
{
unsigned int hsz = desc->hsz;
ErlDrvTermData spec [PACKET_ERL_DRV_TERM_DATA_LEN];
@@ -3492,8 +3604,14 @@ static int packet_binary_message
# ifdef HAVE_SCTP
if (!IS_SCTP(desc))
- {
# endif
+ {
+#ifndef __WIN32__
+ if (mp) i = udp_parse_ancillary_data(spec, i, (struct msghdr*)mp);
+#endif
+ /* We got ancillary data from an UDP recvmsg.
+ * Insert an additional tuple level {AncData,[F|AddrData]}
+ */
if ((desc->mode == INET_MODE_LIST) || (hsz > len))
/* INET_MODE_LIST, or only headers => [H1,H2,...Hn] */
i = LOAD_STRING(spec, i, bin->orig_bytes+offs, len);
@@ -3505,16 +3623,24 @@ static int packet_binary_message
if (hsz > 0)
i = LOAD_STRING_CONS(spec, i, bin->orig_bytes+offs, hsz);
}
-# ifdef HAVE_SCTP
+ /* Close up the outer 5-or-6-tuple */
+#ifndef __WIN32__
+ if (mp) i = LOAD_TUPLE(spec, i, 6);
+ else
+#endif
+ i = LOAD_TUPLE(spec, i, 5);
}
+# ifdef HAVE_SCTP
else
- { /* For SCTP we always have desc->hsz==0 (i.e., no application-level
+ {
+ struct msghdr *mptr;
+
+ mptr = mp;
+ /* For SCTP we always have desc->hsz==0 (i.e., no application-level
headers are used): */
- struct msghdr* mptr;
ASSERT(hsz == 0);
/* Put in the list (possibly empty) of Ancillary Data: */
- mptr = (struct msghdr *) extra;
i = sctp_parse_ancillary_data (spec, i, mptr);
/* Then: Data or Event (Notification)? */
@@ -3540,11 +3666,11 @@ static int packet_binary_message
/* Close up the {[AncilData], Event_OR_Data} tuple: */
i = LOAD_TUPLE (spec, i, 2);
+ /* Close up the outer 5-tuple: */
+ i = LOAD_TUPLE(spec, i, 5);
}
# endif /* HAVE_SCTP */
- /* Close up the outer 5-tuple: */
- i = LOAD_TUPLE(spec, i, 5);
ASSERT(i <= PACKET_ERL_DRV_TERM_DATA_LEN);
return erl_drv_output_term(desc->dport, spec, i);
}
@@ -3678,19 +3804,19 @@ tcp_reply_binary_data(tcp_descriptor* desc, ErlDrvBinary* bin, int offs, int len
static int
packet_reply_binary_data(inet_descriptor* desc, unsigned int hsz,
ErlDrvBinary * bin, int offs, int len,
- void * extra)
+ void *mp)
{
int code;
if (desc->active == INET_PASSIVE)
/* "inet" is actually for both UDP and SCTP, as well as TCP! */
- return inet_async_binary_data(desc, hsz, bin, offs, len, extra);
+ return inet_async_binary_data(desc, hsz, bin, offs, len, mp);
else
{ /* INET_ACTIVE or INET_ONCE: */
if (desc->deliver == INET_DELIVER_PORT)
code = inet_port_binary_data(desc, bin, offs, len);
else
- code = packet_binary_message(desc, bin, offs, len, extra);
+ code = packet_binary_message(desc, bin, offs, len, mp);
if (code < 0)
return code;
INET_CHECK_ACTIVE_TO_PASSIVE(desc);
@@ -3757,8 +3883,9 @@ static void inet_init_sctp(void) {
INIT_ATOM(reuseaddr);
INIT_ATOM(dontroute);
INIT_ATOM(priority);
- INIT_ATOM(tos);
- INIT_ATOM(tclass);
+ INIT_ATOM(recvtos);
+ INIT_ATOM(recvtclass);
+ INIT_ATOM(recvttl);
INIT_ATOM(ipv6_v6only);
INIT_ATOM(netns);
INIT_ATOM(bind_to_device);
@@ -3901,6 +4028,11 @@ static int inet_init()
#endif
INIT_ATOM(empty_out_q);
INIT_ATOM(ssl_tls);
+#ifndef __WIN32__
+ INIT_ATOM(tos);
+ INIT_ATOM(tclass);
+ INIT_ATOM(ttl);
+#endif
INIT_ATOM(http_eoh);
INIT_ATOM(http_header);
@@ -5119,8 +5251,8 @@ static ErlDrvSSizeT inet_ctl_ifget(inet_descriptor* desc,
sys_memcpy(sptr,
sdlp->sdl_data + sdlp->sdl_nlen,
sdlp->sdl_alen);
- freeifaddrs(ifa);
sptr += sdlp->sdl_alen;
+ freeifaddrs(ifa);
#endif
break;
}
@@ -5933,7 +6065,8 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
but ditto for the other worked and that was actually the requested
option, failure was still reported to erlang. */
-#if defined(IP_TOS) && defined(SOL_IP) && defined(SO_PRIORITY)
+#if defined(IP_TOS) && defined(IPPROTO_IP) \
+ && defined(SO_PRIORITY) && !defined(__WIN32__)
static int setopt_prio_tos_trick
(int fd, int proto, int type, char* arg_ptr, int arg_sz, int propagate)
{
@@ -5955,14 +6088,14 @@ static int setopt_prio_tos_trick
res_prio = sock_getopt(fd, SOL_SOCKET, SO_PRIORITY,
(char *) &tmp_ival_prio, &tmp_arg_sz_prio);
- res_tos = sock_getopt(fd, SOL_IP, IP_TOS,
+ res_tos = sock_getopt(fd, IPPROTO_IP, IP_TOS,
(char *) &tmp_ival_tos, &tmp_arg_sz_tos);
res = sock_setopt(fd, proto, type, arg_ptr, arg_sz);
if (res == 0) {
if (type != SO_PRIORITY) {
if (type != IP_TOS && res_tos == 0) {
res_tos = sock_setopt(fd,
- SOL_IP,
+ IPPROTO_IP,
IP_TOS,
(char *) &tmp_ival_tos,
tmp_arg_sz_tos);
@@ -6006,7 +6139,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
int proto;
int opt;
struct linger li_val;
-#ifdef HAVE_MULTICAST_SUPPORT
+#if defined(HAVE_MULTICAST_SUPPORT) && defined(IPPROTO_IP)
struct ip_mreq mreq_val;
#endif
int ival;
@@ -6029,6 +6162,8 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
/* XXX { int i; for(i=0;i<len;++i) fprintf(stderr,"0x%02X, ", (unsigned) ptr[i]); fprintf(stderr,"\r\n");} */
while(len >= 5) {
+ int recv_cmsgflags;
+
opt = *ptr++;
ival = get_int32(ptr);
ptr += 4;
@@ -6037,6 +6172,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
arg_sz = sizeof(ival);
proto = SOL_SOCKET;
propagate = 0;
+ recv_cmsgflags = desc->recv_cmsgflags;
switch(opt) {
case INET_LOPT_HEADER:
@@ -6287,28 +6423,80 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
(long)desc->port, desc->s, ival));
break;
#else
+ /* inet_fill_opts always returns a value for this option,
+ * so we need to ignore it if not implemented */
continue;
#endif
case INET_OPT_TOS:
-#if defined(IP_TOS) && defined(SOL_IP)
- proto = SOL_IP;
+#if defined(IP_TOS) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
type = IP_TOS;
propagate = 1;
DEBUGF(("inet_set_opts(%ld): s=%d, IP_TOS=%d\r\n",
(long)desc->port, desc->s, ival));
break;
#else
+ /* inet_fill_opts always returns a value for this option,
+ * so we need to ignore it if not implemented. */
continue;
#endif
-#if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+#if defined(IPV6_TCLASS) && defined(IPPROTO_IPV6)
case INET_OPT_TCLASS:
- proto = SOL_IPV6;
+ proto = IPPROTO_IPV6;
type = IPV6_TCLASS;
propagate = 1;
DEBUGF(("inet_set_opts(%ld): s=%d, IPV6_TCLASS=%d\r\n",
(long)desc->port, desc->s, ival));
break;
#endif
+#if defined(IP_TTL) && defined(IPPROTO_IP)
+ case INET_OPT_TTL:
+ proto = IPPROTO_IP;
+ type = IP_TTL;
+ propagate = 1;
+ DEBUGF(("inet_set_opts(%ld): s=%d, IP_TTL=%d\r\n",
+ (long)desc->port, desc->s, ival));
+ break;
+#endif
+#if defined(IP_RECVTOS) && defined(IPPROTO_IP)
+ case INET_OPT_RECVTOS:
+ proto = IPPROTO_IP;
+ type = IP_RECVTOS;
+ propagate = 1;
+ recv_cmsgflags =
+ ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTOS) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTOS);
+ DEBUGF(("inet_set_opts(%ld): s=%d, IP_RECVTOS=%d\r\n",
+ (long)desc->port, desc->s, ival));
+ break;
+#endif
+#if defined(IPV6_RECVTCLASS) && defined(IPPROTO_IPV6)
+ case INET_OPT_RECVTCLASS:
+ proto = IPPROTO_IPV6;
+ type = IPV6_RECVTCLASS;
+ propagate = 1;
+ recv_cmsgflags =
+ ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTCLASS) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTCLASS);
+ DEBUGF(("inet_set_opts(%ld): s=%d, IPV6_RECVTCLASS=%d\r\n",
+ (long)desc->port, desc->s, ival));
+ break;
+#endif
+#if defined(IP_RECVTTL) && defined(IPPROTO_IP)
+ case INET_OPT_RECVTTL:
+ proto = IPPROTO_IP;
+ type = IP_RECVTTL;
+ propagate = 1;
+ recv_cmsgflags =
+ ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTTL) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTTL);
+ DEBUGF(("inet_set_opts(%ld): s=%d, IP_RECVTTL=%d\r\n",
+ (long)desc->port, desc->s, ival));
+ break;
+#endif
case TCP_OPT_NODELAY:
proto = IPPROTO_TCP;
@@ -6317,7 +6505,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
(long)desc->port, desc->s, ival));
break;
-#ifdef HAVE_MULTICAST_SUPPORT
+#if defined(HAVE_MULTICAST_SUPPORT) && defined(IPPROTO_IP)
case UDP_OPT_MULTICAST_TTL:
proto = IPPROTO_IP;
@@ -6363,10 +6551,10 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
arg_sz = sizeof(mreq_val);
break;
-#endif /* HAVE_MULTICAST_SUPPORT */
+#endif /* defined(HAVE_MULTICAST_SUPPORT) && defined(IPPROTO_IP) */
case INET_OPT_IPV6_V6ONLY:
-#if HAVE_DECL_IPV6_V6ONLY
+#if HAVE_DECL_IPV6_V6ONLY && defined(IPPROTO_IPV6)
proto = IPPROTO_IPV6;
type = IPV6_V6ONLY;
propagate = 1;
@@ -6426,11 +6614,13 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len)
default:
return -1;
}
-#if defined(IP_TOS) && defined(SOL_IP) && defined(SO_PRIORITY)
+#if defined(IP_TOS) && defined(IPPROTO_IP) \
+ && defined(SO_PRIORITY) && !defined(__WIN32__)
res = setopt_prio_tos_trick (desc->s, proto, type, arg_ptr, arg_sz, propagate);
#else
res = sock_setopt (desc->s, proto, type, arg_ptr, arg_sz);
#endif
+ if (res == 0) desc->recv_cmsgflags = recv_cmsgflags;
if (propagate && res != 0) {
return -1;
}
@@ -6572,10 +6762,14 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
while (curr < ptr + len)
{
+ int recv_cmsgflags;
/* Get the Erlang-encoded option type -- always 1 byte: */
- int eopt = *curr;
+ int eopt;
+
+ eopt = *curr;
curr++;
+ recv_cmsgflags = desc->recv_cmsgflags;
/* Get the option value. XXX: The condition (curr < ptr + len)
does not preclude us from reading from beyond the buffer end,
if the Erlang part of the driver specifies its input wrongly!
@@ -6756,28 +6950,32 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
break;
}
# else
- continue; /* Option not supported -- ignore it */
+ /* inet_fill_opts always returns a value for this option,
+ * so we need to ignore it if not implemented, just in case */
+ continue;
# endif
case INET_OPT_TOS:
-# if defined(IP_TOS) && defined(SOL_IP)
+# if defined(IP_TOS) && defined(IPPROTO_IP)
{
arg.ival= get_int32 (curr); curr += 4;
- proto = SOL_IP;
+ proto = IPPROTO_IP;
type = IP_TOS;
arg_ptr = (char*) (&arg.ival);
arg_sz = sizeof ( arg.ival);
break;
}
# else
- continue; /* Option not supported -- ignore it */
+ /* inet_fill_opts always returns a value for this option,
+ * so we need to ignore it if not implemented, just in case */
+ continue;
# endif
-# if defined(IPV6_TCLASS) && defined(SOL_IPV6)
+# if defined(IPV6_TCLASS) && defined(IPPROTO_IPV6)
case INET_OPT_TCLASS:
{
arg.ival= get_int32 (curr); curr += 4;
- proto = SOL_IPV6;
+ proto = IPPROTO_IPV6;
type = IPV6_TCLASS;
arg_ptr = (char*) (&arg.ival);
arg_sz = sizeof ( arg.ival);
@@ -6785,9 +6983,69 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
}
# endif
+# if defined(IP_TTL) && defined(IPPROTO_IP)
+ case INET_OPT_TTL:
+ {
+ arg.ival= get_int32 (curr); curr += 4;
+ proto = IPPROTO_IP;
+ type = IP_TTL;
+ arg_ptr = (char*) (&arg.ival);
+ arg_sz = sizeof ( arg.ival);
+ break;
+ }
+# endif
+
+# if defined(IP_RECVTOS) && defined(IPPROTO_IP)
+ case INET_OPT_RECVTOS:
+ {
+ arg.ival= get_int32 (curr); curr += 4;
+ proto = IPPROTO_IP;
+ type = IP_RECVTOS;
+ arg_ptr = (char*) (&arg.ival);
+ arg_sz = sizeof ( arg.ival);
+ recv_cmsgflags =
+ arg.ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTOS) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTOS);
+ break;
+ }
+# endif
+
+# if defined(IPV6_RECVTCLASS) && defined(IPPROTO_IPV6)
+ case INET_OPT_RECVTCLASS:
+ {
+ arg.ival= get_int32 (curr); curr += 4;
+ proto = IPPROTO_IPV6;
+ type = IPV6_RECVTCLASS;
+ arg_ptr = (char*) (&arg.ival);
+ arg_sz = sizeof ( arg.ival);
+ recv_cmsgflags =
+ arg.ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTCLASS) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTCLASS);
+ break;
+ }
+# endif
+
+# if defined(IP_RECVTTL) && defined(IPPROTO_IP)
+ case INET_OPT_RECVTTL:
+ {
+ arg.ival= get_int32 (curr); curr += 4;
+ proto = IPPROTO_IP;
+ type = IP_RECVTTL;
+ arg_ptr = (char*) (&arg.ival);
+ arg_sz = sizeof ( arg.ival);
+ recv_cmsgflags =
+ arg.ival ?
+ (desc->recv_cmsgflags | INET_CMSG_RECVTTL) :
+ (desc->recv_cmsgflags & ~INET_CMSG_RECVTTL);
+ break;
+ }
+# endif
+
case INET_OPT_IPV6_V6ONLY:
-# if HAVE_DECL_IPV6_V6ONLY
+# if HAVE_DECL_IPV6_V6ONLY && defined(IPPROTO_IPV6)
{
arg.ival= get_int32 (curr); curr += 4;
proto = IPPROTO_IPV6;
@@ -7037,13 +7295,15 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
*/
return -1;
}
-#if defined(IP_TOS) && defined(SOL_IP) && defined(SO_PRIORITY)
+#if defined(IP_TOS) && defined(IPPROTO_IP) \
+ && defined(SO_PRIORITY) && !defined(__WIN32__)
res = setopt_prio_tos_trick (desc->s, proto, type, arg_ptr, arg_sz, 1);
#else
res = sock_setopt (desc->s, proto, type, arg_ptr, arg_sz);
#endif
/* The return values of "sock_setopt" can only be 0 or -1: */
ASSERT(res == 0 || res == -1);
+ if (res == 0) desc->recv_cmsgflags = recv_cmsgflags;
if (res == -1)
{ /* Got an error, DO NOT continue with other options. However, on
Solaris 10, we DO allow SO_SNDBUF and SO_RCVBUF to fail, assu-
@@ -7298,8 +7558,8 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
continue;
#endif
case INET_OPT_TOS:
-#if defined(IP_TOS) && defined(SOL_IP)
- proto = SOL_IP;
+#if defined(IP_TOS) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
type = IP_TOS;
break;
#else
@@ -7308,14 +7568,50 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
continue;
#endif
case INET_OPT_TCLASS:
-#if defined(IPV6_TCLASS) && defined(SOL_IPV6)
- proto = SOL_IPV6;
+#if defined(IPV6_TCLASS) && defined(IPPROTO_IPV6)
+ proto = IPPROTO_IPV6;
type = IPV6_TCLASS;
break;
#else
TRUNCATE_TO(0,ptr);
continue;
#endif
+ case INET_OPT_TTL:
+#if defined(IP_TTL) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_TTL;
+ break;
+#else
+ TRUNCATE_TO(0,ptr);
+ continue;
+#endif
+ case INET_OPT_RECVTOS:
+#if defined(IP_RECVTOS) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_RECVTOS;
+ break;
+#else
+ TRUNCATE_TO(0,ptr);
+ continue;
+#endif
+ case INET_OPT_RECVTCLASS:
+#if defined(IPV6_RECVTCLASS) && defined(IPPROTO_IPV6)
+ proto = IPPROTO_IPV6;
+ type = IPV6_RECVTCLASS;
+ break;
+#else
+ TRUNCATE_TO(0,ptr);
+ continue;
+#endif
+ case INET_OPT_RECVTTL:
+#if defined(IP_RECVTTL) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_RECVTTL;
+ break;
+#else
+ TRUNCATE_TO(0,ptr);
+ continue;
+#endif
case INET_OPT_REUSEADDR:
type = SO_REUSEADDR;
break;
@@ -7342,7 +7638,7 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
type = TCP_NODELAY;
break;
-#ifdef HAVE_MULTICAST_SUPPORT
+#if defined(HAVE_MULTICAST_SUPPORT) && defined(IPPROTO_IP)
case UDP_OPT_MULTICAST_TTL:
proto = IPPROTO_IP;
type = IP_MULTICAST_TTL;
@@ -7361,10 +7657,10 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
arg_ptr = (char*) &li_val;
type = SO_LINGER;
break;
-#endif /* HAVE_MULTICAST_SUPPORT */
+#endif /* defined(HAVE_MULTICAST_SUPPORT) && defined(IPPROTO_IP) */
case INET_OPT_IPV6_V6ONLY:
-#if HAVE_DECL_IPV6_V6ONLY
+#if HAVE_DECL_IPV6_V6ONLY && defined(IPPROTO_IPV6)
proto = IPPROTO_IPV6;
type = IPV6_V6ONLY;
break;
@@ -7442,6 +7738,101 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
continue;
#endif
+#ifndef __WIN32__
+ /* Winsock does not have struct cmsghdr */
+ case INET_OPT_PKTOPTIONS: {
+ struct cmsghdr *cmsg, *cmsg_top;
+ SOCKLEN_T cmsg_sz;
+ union {
+ /* Ensure alignment */
+ struct cmsghdr hdr;
+ /* Room for (IP_TOS | IPV6_TCLASS) + IP_TTL */
+ char buf[2*CMSG_SPACE(sizeof(int))];
+ } cmsgbuf;
+ /* Select between IPv4 or IPv6 PKTOPTIONS
+ * depending on the socket protocol family
+ */
+ switch (desc->sfamily) {
+#if defined(IPPROTO_IP) && defined(IP_PKTOPTIONS)
+ case AF_INET: {
+ proto = IPPROTO_IP;
+ type = IP_PKTOPTIONS;
+ }
+ break;
+#endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_PKTOPTIONS) && defined(AF_INET6)
+ case AF_INET6: {
+ proto = IPPROTO_IPV6;
+ type = IPV6_PKTOPTIONS;
+ }
+ break;
+#endif
+ default: {
+ RETURN_ERROR();
+ }
+ } /* switch */
+ TRUNCATE_TO(0, ptr);
+ /* Fetch a cmsg buffer from the socket */
+ cmsg_sz = sizeof(cmsgbuf.buf);
+ if (IS_SOCKET_ERROR(sock_getopt(desc->s, proto, type,
+ cmsgbuf.buf, &cmsg_sz))) {
+ continue;
+ }
+ /* Reply with Opt/8, Length/32, [COpt/8, Value/32]*
+ * i.e opt, total length and then all returned
+ * cmsg options and values
+ */
+ PLACE_FOR(1+4, ptr);
+ *ptr = opt;
+ arg_ptr = ptr+1; /* Where to put total length */
+ arg_sz = 0; /* Total length */
+ for (cmsg_top = (struct cmsghdr*)(cmsgbuf.buf + cmsg_sz),
+ cmsg = (struct cmsghdr*)cmsgbuf.buf;
+ cmsg < cmsg_top;
+ cmsg = NXT_CMSG_HDR(cmsg)) {
+#define PUT_CMSG_DATA(CMSG_LEVEL, CMSG_TYPE, OPT, TYPE, SZ, PUT) \
+ if ((cmsg->cmsg_level == CMSG_LEVEL) && \
+ (cmsg->cmsg_type == CMSG_TYPE)) { \
+ TYPE *cmsgp; \
+ cmsgp = (TYPE *)CMSG_DATA(cmsg); \
+ PLACE_FOR(1+SZ, ptr); \
+ *ptr = OPT; \
+ PUT(*cmsgp, ptr+1); \
+ arg_sz += 1+SZ; \
+ continue; \
+ }
+#if defined(IPPROTO_IP) && defined(IP_TOS)
+ PUT_CMSG_DATA(IPPROTO_IP, IP_TOS,
+ INET_OPT_TOS, unsigned char, 4, put_int32);
+#endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+ PUT_CMSG_DATA(IPPROTO_IPV6, IPV6_TCLASS,
+ INET_OPT_TCLASS, unsigned char, 4, put_int32);
+#endif
+#if defined(IPPROTO_IP) && defined(IP_TTL)
+ PUT_CMSG_DATA(IPPROTO_IP, IP_TTL,
+ INET_OPT_TTL, unsigned char, 4, put_int32);
+#endif
+ /* BSD uses the RECV* names in CMSG fields */
+ }
+#if defined(IPPROTO_IP) && defined(IP_RECVTOS)
+ PUT_CMSG_DATA(IPPROTO_IP, IP_RECVTOS,
+ INET_OPT_TOS, unsigned char, 4, put_int32);
+#endif
+#if defined(IPPROTO_IPV6) && defined(IPV6_RECVTCLASS)
+ PUT_CMSG_DATA(IPPROTO_IPV6, IPV6_RECVTCLASS,
+ INET_OPT_TCLASS, unsigned char, 4, put_int32);
+#endif
+#if defined(IPPROTO_IP) && defined(IP_RECVTTL)
+ PUT_CMSG_DATA(IPPROTO_IP, IP_RECVTTL,
+ INET_OPT_TTL, unsigned char, 4, put_int32);
+#endif
+#undef PUT_CMSG_DATA
+ put_int32(arg_sz, arg_ptr); /* Put total length */
+ continue;
+ }
+#endif /* #ifdef __WIN32__ */
+
default:
RETURN_ERROR();
}
@@ -7501,6 +7892,7 @@ static int load_paddrinfo (ErlDrvTermData * spec, int i,
return i;
}
+
/*
** "sctp_fill_opts": Returns {ok, Results}, or an error:
*/
@@ -7750,6 +8142,7 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
case INET_OPT_PRIORITY :
case INET_OPT_TOS :
case INET_OPT_TCLASS :
+ case INET_OPT_TTL :
case INET_OPT_IPV6_V6ONLY:
case SCTP_OPT_AUTOCLOSE:
case SCTP_OPT_MAXSEG :
@@ -7757,6 +8150,9 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
case SCTP_OPT_NODELAY :
case SCTP_OPT_DISABLE_FRAGMENTS:
case SCTP_OPT_I_WANT_MAPPED_V4_ADDR:
+ case INET_OPT_RECVTOS :
+ case INET_OPT_RECVTCLASS :
+ case INET_OPT_RECVTTL :
{
int res = 0;
unsigned int sz = sizeof(res);
@@ -7812,8 +8208,8 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
}
case INET_OPT_TOS:
{
-# if defined(IP_TOS) && defined(SOL_IP)
- proto = SOL_IP;
+# if defined(IP_TOS) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
type = IP_TOS;
is_int = 1;
tag = am_tos;
@@ -7825,8 +8221,8 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
}
case INET_OPT_TCLASS:
{
-# if defined(IPV6_TCLASS) && defined(SOL_IPV6)
- proto = SOL_IPV6;
+# if defined(IPV6_TCLASS) && defined(IPPROTO_IPV6)
+ proto = IPPROTO_IPV6;
type = IPV6_TCLASS;
is_int = 1;
tag = am_tclass;
@@ -7836,8 +8232,60 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
continue;
# endif
}
+ case INET_OPT_TTL:
+ {
+# if defined(IP_TTL) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_TTL;
+ is_int = 1;
+ tag = am_ttl;
+ break;
+# else
+ /* Not supported -- ignore */
+ continue;
+# endif
+ }
+ case INET_OPT_RECVTOS:
+ {
+# if defined(IP_RECVTOS) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_RECVTOS;
+ is_int = 0;
+ tag = am_recvtos;
+ break;
+# else
+ /* Not supported -- ignore */
+ continue;
+# endif
+ }
+ case INET_OPT_RECVTCLASS:
+ {
+# if defined(IPV6_RECVTCLASS) && defined(IPPROTO_IPV6)
+ proto = IPPROTO_IPV6;
+ type = IPV6_RECVTCLASS;
+ is_int = 0;
+ tag = am_recvtclass;
+ break;
+# else
+ /* Not supported -- ignore */
+ continue;
+# endif
+ }
+ case INET_OPT_RECVTTL:
+ {
+# if defined(IP_RECVTTL) && defined(IPPROTO_IP)
+ proto = IPPROTO_IP;
+ type = IP_RECVTTL;
+ is_int = 0;
+ tag = am_recvttl;
+ break;
+# else
+ /* Not supported -- ignore */
+ continue;
+# endif
+ }
case INET_OPT_IPV6_V6ONLY:
-# if HAVE_DECL_IPV6_V6ONLY
+# if HAVE_DECL_IPV6_V6ONLY && defined(IPPROTO_IPV6)
{
proto = IPPROTO_IPV6;
type = IPV6_V6ONLY;
@@ -8502,6 +8950,8 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol)
desc->netns = NULL;
#endif
+ desc->recv_cmsgflags = 0;
+
return (ErlDrvData)desc;
}
@@ -11920,10 +12370,10 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
if (IS_SCTP(desc))
{
ErlDrvSizeT data_len;
- struct iovec iov[1]; /* For real data */
- struct msghdr mhdr; /* Message wrapper */
- struct sctp_sndrcvinfo *sri; /* The actual ancilary data */
- union { /* For ancilary data */
+ struct iovec iov[1]; /* For real data */
+ struct msghdr mhdr; /* Message wrapper */
+ struct sctp_sndrcvinfo *sri; /* The actual ancillary data */
+ union { /* For ancillary data */
struct cmsghdr hdr;
char ancd[CMSG_SPACE(sizeof(*sri))];
} cmsg;
@@ -11933,12 +12383,12 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
return;
}
- /* The ancilary data */
+ /* The ancillary data */
sri = (struct sctp_sndrcvinfo *) (CMSG_DATA(&cmsg.hdr));
/* Get the "sndrcvinfo" from the buffer, advancing the "ptr": */
ptr = sctp_get_sendparams(sri, ptr);
- /* The ancilary data wrapper */
+ /* The ancillary data wrapper */
cmsg.hdr.cmsg_level = IPPROTO_SCTP;
cmsg.hdr.cmsg_type = SCTP_SNDRCV;
cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(*sri));
@@ -11953,7 +12403,7 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
iov[0].iov_base = ptr; /* The real data */
mhdr.msg_iov = iov;
mhdr.msg_iovlen = 1;
- mhdr.msg_control = cmsg.ancd; /* For ancilary data */
+ mhdr.msg_control = cmsg.ancd; /* For ancillary data */
mhdr.msg_controllen = cmsg.hdr.cmsg_len;
VALGRIND_MAKE_MEM_DEFINED(mhdr.msg_control, mhdr.msg_controllen); /*suppress "uninitialised bytes"*/
mhdr.msg_flags = 0; /* Not used with "sendmsg" */
@@ -12037,10 +12487,12 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
char abuf[sizeof(inet_address)]; /* buffer address; enough??? */
int packet_count = udesc->read_packets;
int count = 0; /* number of packets delivered to owner */
-#ifdef HAVE_SCTP
+#ifndef __WIN32__
struct msghdr mhdr; /* Top-level msg structure */
struct iovec iov[1]; /* Data or Notification Event */
- char ancd[SCTP_ANC_BUFF_SIZE]; /* Ancillary Data */
+ char ancd[ANC_BUFF_SIZE]; /* Ancillary Data */
+#endif
+#ifdef HAVE_SCTP
int short_recv = 0;
#endif
@@ -12089,7 +12541,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
mhdr.msg_iov = iov;
mhdr.msg_iovlen = 1;
mhdr.msg_control = ancd;
- mhdr.msg_controllen = SCTP_ANC_BUFF_SIZE;
+ mhdr.msg_controllen = ANC_BUFF_SIZE;
mhdr.msg_flags = 0; /* To be filled by "recvmsg" */
/* Do the actual SCTP receive: */
@@ -12104,6 +12556,24 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
other = desc->remote;
goto check_result;
}
+#ifndef __WIN32__
+ /* recvmsg() does not exist in the Winsock API */
+ if (desc->recv_cmsgflags) {
+ /* Use recvmsg() */
+ iov->iov_base = udesc->i_ptr;
+ iov->iov_len = desc->bufsz;
+ mhdr.msg_name = &other;
+ mhdr.msg_namelen = len;
+ mhdr.msg_iov = iov;
+ mhdr.msg_iovlen = 1;
+ mhdr.msg_control = ancd;
+ mhdr.msg_controllen = ANC_BUFF_SIZE;
+ mhdr.msg_flags = 0;
+ n = sock_recvmsg(desc->s, &mhdr, 0);
+ len = mhdr.msg_namelen;
+ goto check_result;
+ }
+#endif
n = sock_recvfrom(desc->s, udesc->i_ptr, desc->bufsz,
0, &other.sa, &len);
check_result:
@@ -12156,7 +12626,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
{
/* message received */
int code;
- void * extra = NULL;
+ void *mp;
char * ptr;
int nsz;
@@ -12187,14 +12657,18 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
udesc->i_ptr = NULL; /* not used from here */
}
}
-#ifdef HAVE_SCTP
- if (IS_SCTP(desc)) extra = &mhdr;
+ mp = NULL;
+#if defined(HAVE_SCTP)
+ if (IS_SCTP(desc)) mp = &mhdr;
+#endif
+#if !defined(__WIN32__)
+ if (desc->recv_cmsgflags) mp = &mhdr;
#endif
/* Actual parsing and return of the data received, occur here: */
code = packet_reply_binary_data(desc, len, udesc->i_buf,
(sizeof(other) - len),
nsz,
- extra);
+ mp);
free_buffer(udesc->i_buf);
udesc->i_buf = NULL;
if (code < 0)
diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam
index c30c589d3a..4a345f8152 100644
--- a/erts/preloaded/ebin/prim_inet.beam
+++ b/erts/preloaded/ebin/prim_inet.beam
Binary files differ
diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl
index 2a3605260d..8169943dde 100644
--- a/erts/preloaded/src/prim_inet.erl
+++ b/erts/preloaded/src/prim_inet.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@
-export([open/3, open/4, fdopen/4, fdopen/5, close/1]).
-export([bind/3, listen/1, listen/2, peeloff/2]).
-export([connect/3, connect/4, async_connect/4]).
--export([accept/1, accept/2, async_accept/2]).
+-export([accept/1, accept/2, accept/3, async_accept/2]).
-export([shutdown/2]).
-export([send/2, send/3, sendto/4, sendmsg/3, sendfile/4]).
-export([recv/2, recv/3, async_recv/3]).
@@ -307,7 +307,7 @@ async_connect0(S, Addr, Time) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
-%% ACCEPT(insock() [,Timeout] ) -> {ok,insock()} | {error, Reason}
+%% ACCEPT(insock() [,Timeout][,FamilyOpts] ) -> {ok,insock()} | {error, Reason}
%%
%% accept incoming connection on listen socket
%% if timeout is given:
@@ -315,6 +315,8 @@ async_connect0(S, Addr, Time) ->
%% 0 -> immediate accept (poll)
%% > 0 -> wait for timeout ms for accept if no accept then
%% return {error, timeout}
+%% FamilyOpts are address family specific options to copy from
+%% listen socket to accepted socket
%%
%% ASYNC_ACCEPT(insock(), Timeout)
%%
@@ -325,17 +327,22 @@ async_connect0(S, Addr, Time) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% For TCP sockets only.
%%
-accept(L) -> accept0(L, -1).
+accept(L) -> accept0(L, -1, []).
-accept(L, infinity) -> accept0(L, -1);
-accept(L, Time) -> accept0(L, Time).
+accept(L, infinity) -> accept0(L, -1, []);
+accept(L, FamilyOpts) when is_list(FamilyOpts) -> accept0(L, -1, FamilyOpts);
+accept(L, Time) -> accept0(L, Time, []).
-accept0(L, Time) when is_port(L), is_integer(Time) ->
+accept(L, infinity, FamilyOpts) -> accept0(L, -1, FamilyOpts);
+accept(L, Time, FamilyOpts) -> accept0(L, Time, FamilyOpts).
+
+accept0(L, Time, FamilyOpts)
+ when is_port(L), is_integer(Time), is_list(FamilyOpts) ->
case async_accept(L, Time) of
{ok, Ref} ->
receive
{inet_async, L, Ref, {ok,S}} ->
- accept_opts(L, S);
+ accept_opts(L, S, FamilyOpts);
{inet_async, L, Ref, Error} ->
Error
end;
@@ -343,25 +350,22 @@ accept0(L, Time) when is_port(L), is_integer(Time) ->
end.
%% setup options from listen socket on the connected socket
-accept_opts(L, S) ->
- case getopts(L, [active, nodelay, keepalive, delay_send, priority, tos]) of
+accept_opts(L, S, FamilyOpts) ->
+ case
+ getopts(
+ L,
+ [active, nodelay, keepalive, delay_send, priority]
+ ++ FamilyOpts)
+ of
{ok, Opts} ->
- case setopts(S, Opts) of
- ok ->
- case getopts(L, [tclass]) of
- {ok, []} ->
- {ok, S};
- {ok, TClassOpts} ->
- case setopts(S, TClassOpts) of
- ok ->
- {ok, S};
- Error -> close(S), Error
- end
- end;
- Error -> close(S), Error
- end;
- Error ->
- close(S), Error
+ case setopts(S, Opts) of
+ ok ->
+ {ok, S};
+ Error1 ->
+ close(S), Error1
+ end;
+ Error2 ->
+ close(S), Error2
end.
async_accept(L, Time) ->
@@ -616,7 +620,16 @@ recvfrom0(S, Length, Time)
Ref = ?u16(R1,R0),
receive
% Success, UDP:
+ {inet_async, S, Ref, {ok, {[F | AddrData], AncData}}} ->
+ %% With ancillary data
+ case get_addr(F, AddrData) of
+ {{Family, _} = Addr, Data} when is_atom(Family) ->
+ {ok, {Addr, 0, AncData, Data}};
+ {{IP, Port}, Data} ->
+ {ok, {IP, Port, AncData, Data}}
+ end;
{inet_async, S, Ref, {ok, [F | AddrData]}} ->
+ %% Without ancillary data
case get_addr(F, AddrData) of
{{Family, _} = Addr, Data} when is_atom(Family) ->
{ok, {Addr, 0, Data}};
@@ -1256,6 +1269,11 @@ enc_opt(recbuf) -> ?INET_OPT_RCVBUF;
enc_opt(priority) -> ?INET_OPT_PRIORITY;
enc_opt(tos) -> ?INET_OPT_TOS;
enc_opt(tclass) -> ?INET_OPT_TCLASS;
+enc_opt(recvtos) -> ?INET_OPT_RECVTOS;
+enc_opt(recvtclass) -> ?INET_OPT_RECVTCLASS;
+enc_opt(pktoptions) -> ?INET_OPT_PKTOPTIONS;
+enc_opt(ttl) -> ?INET_OPT_TTL;
+enc_opt(recvttl) -> ?INET_OPT_RECVTTL;
enc_opt(nodelay) -> ?TCP_OPT_NODELAY;
enc_opt(multicast_if) -> ?UDP_OPT_MULTICAST_IF;
enc_opt(multicast_ttl) -> ?UDP_OPT_MULTICAST_TTL;
@@ -1318,6 +1336,11 @@ dec_opt(?INET_OPT_PRIORITY) -> priority;
dec_opt(?INET_OPT_TOS) -> tos;
dec_opt(?INET_OPT_TCLASS) -> tclass;
dec_opt(?TCP_OPT_NODELAY) -> nodelay;
+dec_opt(?INET_OPT_RECVTOS) -> recvtos;
+dec_opt(?INET_OPT_RECVTCLASS) -> recvtclass;
+dec_opt(?INET_OPT_PKTOPTIONS) -> pktoptions;
+dec_opt(?INET_OPT_TTL) -> ttl;
+dec_opt(?INET_OPT_RECVTTL) -> recvttl;
dec_opt(?UDP_OPT_MULTICAST_IF) -> multicast_if;
dec_opt(?UDP_OPT_MULTICAST_TTL) -> multicast_ttl;
dec_opt(?UDP_OPT_MULTICAST_LOOP) -> multicast_loop;
@@ -1393,6 +1416,11 @@ type_opt_1(recbuf) -> int;
type_opt_1(priority) -> int;
type_opt_1(tos) -> int;
type_opt_1(tclass) -> int;
+type_opt_1(recvtos) -> bool;
+type_opt_1(recvtclass) -> bool;
+type_opt_1(pktoptions) -> opts;
+type_opt_1(ttl) -> int;
+type_opt_1(recvttl) -> bool;
type_opt_1(nodelay) -> bool;
type_opt_1(ipv6_v6only) -> bool;
%% multicast
@@ -1899,6 +1927,11 @@ dec_value(binary,[L0,L1,L2,L3|List]) ->
Len = ?i32(L0,L1,L2,L3),
{X,T}=split(Len,List),
{list_to_binary(X),T};
+dec_value(opts, [L0,L1,L2,L3|List]) ->
+ Len = ?u32(L0,L1,L2,L3),
+ {X,T} = split(Len, List),
+ Opts = dec_opt_val(X),
+ {Opts,T};
dec_value(Types, List) when is_tuple(Types) ->
{L,T} = dec_value_tuple(Types, List, 1, []),
{list_to_tuple(L),T};
diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml
index 737800c6b1..1e08b25f66 100644
--- a/lib/kernel/doc/src/gen_sctp.xml
+++ b/lib/kernel/doc/src/gen_sctp.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2007</year><year>2016</year>
+ <year>2007</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -331,6 +331,37 @@ connect(Socket, Ip, Port>,
with <anno>SockType</anno> <c>seqpacket</c>, and with reasonably large
<seealso marker="inet#option-sndbuf">kernel</seealso> and driver
<seealso marker="inet#option-buffer">buffers</seealso>.</p>
+ <p>
+ If the socket is in
+ <seealso marker="#option-active">passive</seealso>
+ mode data can be received through the
+ <seealso marker="#recv/1"><c>recv/1,2</c></seealso>
+ calls.
+ </p>
+ <p>
+ If the socket is in
+ <seealso marker="#option-active">active</seealso>
+ mode data received data is delivered to the controlling process
+ as messages:
+ </p>
+ <code type="none">
+{sctp, <anno>Socket</anno>, FromIP, FromPort, {AncData, Data}}
+ </code>
+ <p>
+ See
+ <seealso marker="#recv/1"><c>recv/1,2</c></seealso>
+ for a description of the message fields.
+ </p>
+ <note>
+ <p>
+ This message format unfortunately differs slightly from the
+ <seealso marker="gen_udp#open/1"><c>gen_udp</c></seealso>
+ message format with ancillary data,
+ and from the
+ <seealso marker="#recv/1"><c>recv/1,2</c></seealso>
+ return tuple format.
+ </p>
+ </note>
</desc>
</func>
@@ -380,6 +411,19 @@ connect(Socket, Ip, Port>,
socket option
<seealso marker="#option-sctp_get_peer_addr_info"><c>sctp_get_peer_addr_info</c></seealso>,
but this does still not produce the stream number).</p>
+ <p>
+ <c><anno>AncData</anno></c> may also contain
+ <seealso marker="inet#type-ancillary_data">
+ ancillary data
+ </seealso>
+ from the socket
+ <seealso marker="#type-option">options</seealso>
+ <seealso marker="inet#option-recvtos"><c>recvtos</c></seealso>,
+ <seealso marker="inet#option-recvtclass"><c>recvtclass</c></seealso>
+ or
+ <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>,
+ if that is supported by the platform for the socket.
+ </p>
<p>The <c><anno>Data</anno></c> received can be a <c>binary()</c>
or a <c>list()</c> of bytes (integers in the range 0 through 255)
depending on the socket mode, or an SCTP event.</p>
@@ -544,12 +588,25 @@ connect(Socket, Ip, Port>,
<seealso marker="#recv/1"><c>recv</c></seealso> call
to retrieve the available data from the socket.</p>
</item>
+ <item>
+ <p>
+ If <c>true|once|N</c> (active modes)
+ received data or events are sent to the owning process.
+ See <seealso marker="#open/0"><c>open/0..2</c></seealso>
+ for the message format.
+ </p>
+ </item>
<item>
- <p>If <c>true</c> (full active mode), the pending data or events are
- sent to the owning process.</p>
- <p>Notice that this can cause the message queue to overflow,
- as there is no way to throttle the sender in this case
- (no flow control).</p>
+ <p>
+ If <c>true</c> (full active mode) there is no flow control.
+ </p>
+ <note>
+ <p>
+ Note that this can cause the message queue to overflow
+ causing for example the virtual machine
+ to run out of memory and crash.
+ </p>
+ </note>
</item>
<item>
<p>If <c>once</c>, only one message is automatically placed
diff --git a/lib/kernel/doc/src/gen_tcp.xml b/lib/kernel/doc/src/gen_tcp.xml
index e6104b0c76..cf649991d0 100644
--- a/lib/kernel/doc/src/gen_tcp.xml
+++ b/lib/kernel/doc/src/gen_tcp.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1997</year><year>2017</year>
+ <year>1997</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -70,6 +70,20 @@ do_recv(Sock, Bs) ->
<name name="option"/>
</datatype>
<datatype>
+ <name name="pktoptions_value"/>
+ <desc>
+ <p>
+ If the platform implements the IPv4 option
+ <c>IP_PKTOPTIONS</c> (probably Linux specific), or the IPv6 option
+ <c>IPV6_PKTOPTIONS</c> or <c>IPV6_2292PKTOPTIONS</c> for the socket
+ this value is returned from
+ <seealso marker="inet#getopts/2"><c>inet:getopts/2</c></seealso>
+ when called with the option name
+ <seealso marker="#type-option_name"><c>pktoptions</c></seealso>.
+ </p>
+ </desc>
+ </datatype>
+ <datatype>
<name name="option_name"/>
</datatype>
<datatype>
diff --git a/lib/kernel/doc/src/gen_udp.xml b/lib/kernel/doc/src/gen_udp.xml
index f79566ef71..840ca3c188 100644
--- a/lib/kernel/doc/src/gen_udp.xml
+++ b/lib/kernel/doc/src/gen_udp.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1997</year><year>2016</year>
+ <year>1997</year><year>2018</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -147,7 +147,21 @@
at the opened port, if the socket is in an active mode, the packets
are delivered as messages to the controlling process:</p>
<code type="none">
-{udp, Socket, IP, InPortNo, Packet}</code>
+{udp, Socket, IP, InPortNo, Packet} % Without ancillary data
+{udp, Socket, IP, InPortNo, AncData, Packet} % With ancillary data
+ </code>
+ <p>
+ The message contains an <c>AncData</c> field
+ if any of the socket
+ <seealso marker="#type-option">options</seealso>
+ <seealso marker="inet#option-recvtos"><c>recvtos</c></seealso>,
+ <seealso marker="inet#option-recvtclass"><c>recvtclass</c></seealso>
+ or
+ <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>
+ are active, otherwise it does not.
+ </p>
+ <p>
+ </p>
<p>If the socket is not in an active mode, data can be
retrieved through the
<seealso marker="#recv/2"><c>recv/2,3</c></seealso> calls.
@@ -179,9 +193,22 @@
<name name="recv" arity="3"/>
<fsummary>Receive a packet from a passive socket.</fsummary>
<desc>
- <p>Receives a packet from a socket in passive mode. Optional parameter
+ <p>
+ Receives a packet from a socket in passive mode. Optional parameter
<c><anno>Timeout</anno></c> specifies a time-out in milliseconds.
- Defaults to <c>infinity</c>.</p>
+ Defaults to <c>infinity</c>.
+ </p>
+ <p>
+ If any of the socket
+ <seealso marker="#type-option">options</seealso>
+ <seealso marker="inet#option-recvtos"><c>recvtos</c></seealso>,
+ <seealso marker="inet#option-recvtclass"><c>recvtclass</c></seealso>
+ or
+ <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>
+ are active, the <c><anno>RecvData</anno></c> tuple contains an
+ <c><anno>AncData</anno></c> field,
+ otherwise it does not.
+ </p>
</desc>
</func>
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index f281d61459..ed775d67eb 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -177,6 +177,27 @@ fe80::204:acff:fe17:bf38
</desc>
</datatype>
<datatype>
+ <name name="ancillary_data"/>
+ <desc>
+ <p>
+ Ancillary data received with the data packet
+ or read with the socket option
+ <seealso marker="gen_tcp#type-pktoptions_value">
+ <c>pktoptions</c>
+ </seealso>
+ from a TCP socket.
+ </p>
+ <p>
+ The value(s) correspond to the currently active socket
+ <seealso marker="#type-socket_setopt">options</seealso>
+ <seealso marker="inet#option-recvtos"><c>recvtos</c></seealso>,
+ <seealso marker="inet#option-recvtclass"><c>recvtclass</c></seealso>
+ and
+ <seealso marker="inet#option-recvttl"><c>recvttl</c></seealso>.
+ </p>
+ </desc>
+ </datatype>
+ <datatype>
<name name="posix"/>
<desc>
<p>An atom that is named from the POSIX error codes used in Unix,
@@ -344,7 +365,11 @@ fe80::204:acff:fe17:bf38
<desc>
<p>Gets one or more options for a socket. For a list of available
options, see
- <seealso marker="#setopts/2"><c>setopts/2</c></seealso>.</p>
+ <seealso marker="#setopts/2"><c>setopts/2</c></seealso>.
+ See also the description for the type
+ <seealso marker="gen_tcp#type-pktoptions_value">
+ <c>gen_tcp:pktoptions_value()</c>
+ </seealso>.</p>
<p>The number of elements in the returned
<c><anno>OptionValues</anno></c>
list does not necessarily correspond to the number of options
@@ -360,7 +385,7 @@ fe80::204:acff:fe17:bf38
socket options not (explicitly) supported by the emulator. The
use of raw socket options makes the code non-portable, but
allows the Erlang programmer to take advantage of unusual features
- present on the current platform.</p>
+ present on a particular platform.</p>
<p><c>RawOptReq</c> consists of tag <c>raw</c> followed
by the protocol level, the option number, and either a binary
or the size, in bytes, of the
@@ -1115,6 +1140,100 @@ setcap cap_sys_admin,cap_sys_ptrace,cap_dac_read_search+epi beam.smp</code>
the socket. You are encouraged to use
<seealso marker="#getopts/2"><c>getopts/2</c></seealso>
to retrieve the size set by your operating system.</p>
+ <marker id="option-recvtclass"></marker>
+ </item>
+ <tag><c>{recvtclass, Boolean}</c></tag>
+ <item>
+ <p>
+ If set to <c>true</c> activates returning the received
+ <c>TCLASS</c> value on platforms that implements
+ the protocol <c>IPPROTO_IPV6</c>
+ option <c>IPV6_RECVTCLASS</c> or <c>IPV6_2292RECVTCLASS</c>
+ for the socket.
+ The value is returned as a <c>{tclass,TCLASS}</c> tuple
+ regardless of if the platform returns an <c>IPV6_TCLASS</c>
+ or an <c>IPV6_RECVTCLASS</c> CMSG value.
+ </p>
+ <p>
+ For packet oriented sockets that supports receiving
+ ancillary data with the payload data
+ (<c>gen_udp</c> and <c>gen_sctp</c>),
+ the <c>TCLASS</c> value is returned
+ in an extended return tuple contained in an
+ <seealso marker="inet#type-ancillary_data">
+ ancillary data
+ </seealso>
+ list.
+ For stream oriented sockets (<c>gen_tcp</c>)
+ the only way to get the <c>TCLASS</c>
+ value is if the platform supports the
+ <seealso marker="gen_tcp#type-pktoptions_value">
+ <c>pktoptions</c>
+ </seealso>
+ option.
+ </p>
+ <marker id="option-recvtos"></marker>
+ </item>
+ <tag><c>{recvtos, Boolean}</c></tag>
+ <item>
+ <p>
+ If set to <c>true</c> activates returning the received
+ <c>TOS</c> value on platforms that implements
+ the protocol <c>IPPROTO_IP</c> option <c>IP_RECVTOS</c>
+ for the socket.
+ The value is returned as a <c>{tos,TOS}</c> tuple
+ regardless of if the platform returns an <c>IP_TOS</c>
+ or an <c>IP_RECVTOS</c> CMSG value.
+ </p>
+ <p>
+ For packet oriented sockets that supports receiving
+ ancillary data with the payload data
+ (<c>gen_udp</c> and <c>gen_sctp</c>),
+ the <c>TOS</c> value is returned
+ in an extended return tuple contained in an
+ <seealso marker="inet#type-ancillary_data">
+ ancillary data
+ </seealso>
+ list.
+ For stream oriented sockets (<c>gen_tcp</c>)
+ the only way to get the <c>TOS</c>
+ value is if the platform supports the
+ <seealso marker="gen_tcp#type-pktoptions_value">
+ <c>pktoptions</c>
+ </seealso>
+ option.
+ </p>
+ <marker id="option-recvttl"></marker>
+ </item>
+ <tag><c>{recvttl, Boolean}</c></tag>
+ <item>
+ <p>
+ If set to <c>true</c> activates returning the received
+ <c>TTL</c> value on platforms that implements
+ the protocol <c>IPPROTO_IP</c> option <c>IP_RECVTTL</c>
+ for the socket.
+ The value is returned as a <c>{ttl,TTL}</c> tuple
+ regardless of if the platform returns an <c>IP_TTL</c>
+ or an <c>IP_RECVTTL</c> CMSG value.
+ </p>
+ <p>
+ For packet oriented sockets that supports receiving
+ ancillary data with the payload data
+ (<c>gen_udp</c> and <c>gen_sctp</c>),
+ the <c>TTL</c> value is returned
+ in an extended return tuple contained in an
+ <seealso marker="inet#type-ancillary_data">
+ ancillary data
+ </seealso>
+ list.
+ For stream oriented sockets (<c>gen_tcp</c>)
+ the only way to get the <c>TTL</c>
+ value is if the platform supports the
+ <seealso marker="gen_tcp#type-pktoptions_value">
+ <c>pktoptions</c>
+ </seealso>
+ option.
+ </p>
</item>
<tag><c>{reuseaddr, Boolean}</c></tag>
<item>
diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl
index bf795ee9c6..d893d44079 100644
--- a/lib/kernel/src/gen_sctp.erl
+++ b/lib/kernel/src/gen_sctp.erl
@@ -66,7 +66,12 @@
{sctp_set_peer_primary_addr, #sctp_setpeerprim{}} |
{sctp_status, #sctp_status{}} |
{sndbuf, non_neg_integer()} |
- {tos, non_neg_integer()}.
+ {tos, non_neg_integer()} |
+ {tclass, non_neg_integer()} |
+ {ttl, non_neg_integer()} |
+ {recvtos, boolean()} |
+ {recvtclass, boolean()} |
+ {recvttl, boolean()}.
-type option_name() ::
active |
buffer |
@@ -97,7 +102,12 @@
sctp_set_peer_primary_addr |
sctp_status |
sndbuf |
- tos.
+ tos |
+ tclass |
+ ttl |
+ recvtos |
+ recvtclass |
+ recvttl.
-type sctp_socket() :: port().
-export_type([assoc_id/0, option/0, option_name/0, sctp_socket/0]).
@@ -365,7 +375,7 @@ send(S, AssocChange, Stream, Data) ->
Socket :: sctp_socket(),
FromIP :: inet:ip_address(),
FromPort :: inet:port_number(),
- AncData :: [#sctp_sndrcvinfo{}],
+ AncData :: [#sctp_sndrcvinfo{} | inet:ancillary_data()],
Data :: binary() | string() | #sctp_sndrcvinfo{}
| #sctp_assoc_change{} | #sctp_paddr_change{}
| #sctp_adaptation_event{},
@@ -382,7 +392,7 @@ recv(S) ->
Timeout :: timeout(),
FromIP :: inet:ip_address(),
FromPort :: inet:port_number(),
- AncData :: [#sctp_sndrcvinfo{}],
+ AncData :: [#sctp_sndrcvinfo{} | inet:ancillary_data()],
Data :: binary() | string() | #sctp_sndrcvinfo{}
| #sctp_assoc_change{} | #sctp_paddr_change{}
| #sctp_adaptation_event{},
diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl
index c61411e814..7f7833ec23 100644
--- a/lib/kernel/src/gen_tcp.erl
+++ b/lib/kernel/src/gen_tcp.erl
@@ -62,7 +62,14 @@
{show_econnreset, boolean()} |
{sndbuf, non_neg_integer()} |
{tos, non_neg_integer()} |
+ {tclass, non_neg_integer()} |
+ {ttl, non_neg_integer()} |
+ {recvtos, boolean()} |
+ {recvtclass, boolean()} |
+ {recvttl, boolean()} |
{ipv6_v6only, boolean()}.
+-type pktoptions_value() ::
+ {pktoptions, inet:ancillary_data()}.
-type option_name() ::
active |
buffer |
@@ -81,6 +88,7 @@
nodelay |
packet |
packet_size |
+ pktoptions |
priority |
{raw,
Protocol :: non_neg_integer(),
@@ -94,6 +102,12 @@
show_econnreset |
sndbuf |
tos |
+ tclass |
+ ttl |
+ recvtos |
+ recvtclass |
+ recvttl |
+ pktoptions |
ipv6_v6only.
-type connect_option() ::
{ip, inet:socket_address()} |
@@ -119,7 +133,7 @@
-type socket() :: port().
-export_type([option/0, option_name/0, connect_option/0, listen_option/0,
- socket/0]).
+ socket/0, pktoptions_value/0]).
%%
%% Connect a socket
diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl
index 44eef9f3c5..d6e8652e77 100644
--- a/lib/kernel/src/gen_udp.erl
+++ b/lib/kernel/src/gen_udp.erl
@@ -51,6 +51,11 @@
{reuseaddr, boolean()} |
{sndbuf, non_neg_integer()} |
{tos, non_neg_integer()} |
+ {tclass, non_neg_integer()} |
+ {ttl, non_neg_integer()} |
+ {recvtos, boolean()} |
+ {recvtclass, boolean()} |
+ {recvttl, boolean()} |
{ipv6_v6only, boolean()}.
-type option_name() ::
active |
@@ -76,6 +81,12 @@
reuseaddr |
sndbuf |
tos |
+ tclass |
+ ttl |
+ recvtos |
+ recvtclass |
+ recvttl |
+ pktoptions |
ipv6_v6only.
-type socket() :: port().
@@ -147,11 +158,13 @@ send(S, Packet) when is_port(S) ->
end.
-spec recv(Socket, Length) ->
- {ok, {Address, Port, Packet}} | {error, Reason} when
+ {ok, RecvData} | {error, Reason} when
Socket :: socket(),
Length :: non_neg_integer(),
+ RecvData :: {Address, Port, Packet} | {Address, Port, AncData, Packet},
Address :: inet:ip_address() | inet:returned_non_ip_address(),
Port :: inet:port_number(),
+ AncData :: inet:ancillary_data(),
Packet :: string() | binary(),
Reason :: not_owner | inet:posix().
@@ -164,12 +177,14 @@ recv(S,Len) when is_port(S), is_integer(Len) ->
end.
-spec recv(Socket, Length, Timeout) ->
- {ok, {Address, Port, Packet}} | {error, Reason} when
+ {ok, RecvData} | {error, Reason} when
Socket :: socket(),
Length :: non_neg_integer(),
Timeout :: timeout(),
+ RecvData :: {Address, Port, Packet} | {Address, Port, AncData, Packet},
Address :: inet:ip_address() | inet:returned_non_ip_address(),
Port :: inet:port_number(),
+ AncData :: inet:ancillary_data(),
Packet :: string() | binary(),
Reason :: not_owner | inet:posix().
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl
index 73c53b9011..75dc909e3d 100644
--- a/lib/kernel/src/inet.erl
+++ b/lib/kernel/src/inet.erl
@@ -76,7 +76,7 @@
-export_type([address_family/0, socket_protocol/0, hostent/0, hostname/0, ip4_address/0,
ip6_address/0, ip_address/0, port_number/0,
local_address/0, socket_address/0, returned_non_ip_address/0,
- socket_setopt/0, socket_getopt/0,
+ socket_setopt/0, socket_getopt/0, ancillary_data/0,
posix/0, socket/0, stat_option/0]).
%% imports
-import(lists, [append/1, duplicate/2, filter/2, foldl/3]).
@@ -163,6 +163,11 @@
'recv_cnt' | 'recv_max' | 'recv_avg' | 'recv_oct' | 'recv_dvi' |
'send_cnt' | 'send_max' | 'send_avg' | 'send_oct' | 'send_pend'.
+-type ancillary_data() ::
+ [ {'tos', TOS :: byte()} |
+ {'tclass', TCLASS :: byte()} |
+ {'ttl', TTL :: byte()} ].
+
%%% ---------------------------------
-spec get_rc() -> [{Par :: atom(), Val :: any()} |
@@ -302,7 +307,7 @@ setopts(Socket, Opts) ->
{'ok', OptionValues} | {'error', posix()} when
Socket :: socket(),
Options :: [socket_getopt()],
- OptionValues :: [socket_setopt()].
+ OptionValues :: [socket_setopt() | gen_tcp:pktoptions_value()].
getopts(Socket, Opts) ->
case prim_inet:getopts(Socket, Opts) of
@@ -722,6 +727,7 @@ stats() ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
connect_options() ->
[tos, tclass, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay,
+ recvtos, recvtclass, ttl, recvttl,
header, active, packet, packet_size, buffer, mode, deliver, line_delimiter,
exit_on_close, high_watermark, low_watermark, high_msgq_watermark,
low_msgq_watermark, send_timeout, send_timeout_close, delay_send, raw,
@@ -790,6 +796,7 @@ con_add(Name, Val, #connect_opts{} = R, Opts, AllOpts) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
listen_options() ->
[tos, tclass, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay,
+ recvtos, recvtclass, ttl, recvttl,
header, active, packet, buffer, mode, deliver, backlog, ipv6_v6only,
exit_on_close, high_watermark, low_watermark, high_msgq_watermark,
low_msgq_watermark, send_timeout, send_timeout_close, delay_send,
@@ -870,7 +877,7 @@ tcp_module_1(Opts, Address) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
udp_options() ->
[tos, tclass, priority, reuseaddr, sndbuf, recbuf, header, active, buffer, mode,
- deliver, ipv6_v6only,
+ recvtos, recvtclass, ttl, recvttl, deliver, ipv6_v6only,
broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop,
add_membership, drop_membership, read_packets,raw,
high_msgq_watermark, low_msgq_watermark, bind_to_device].
@@ -940,8 +947,10 @@ udp_module(Opts) ->
% (*) passing of open FDs ("fdopen") is not supported.
sctp_options() ->
[ % The following are generic inet options supported for SCTP sockets:
- mode, active, buffer, tos, tclass, priority, dontroute, reuseaddr, linger, sndbuf,
- recbuf, ipv6_v6only, high_msgq_watermark, low_msgq_watermark,
+ mode, active, buffer, tos, tclass, ttl,
+ priority, dontroute, reuseaddr, linger,
+ recvtos, recvtclass, recvttl,
+ sndbuf, recbuf, ipv6_v6only, high_msgq_watermark, low_msgq_watermark,
bind_to_device,
% Other options are SCTP-specific (though they may be similar to their
diff --git a/lib/kernel/src/inet6_tcp.erl b/lib/kernel/src/inet6_tcp.erl
index a0d5d3df70..347b8b9a1b 100644
--- a/lib/kernel/src/inet6_tcp.erl
+++ b/lib/kernel/src/inet6_tcp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -167,7 +167,7 @@ listen(Port, Opts) ->
%% Accept
%%
accept(L) ->
- case prim_inet:accept(L) of
+ case prim_inet:accept(L, accept_family_opts()) of
{ok, S} ->
inet_db:register_socket(S, ?MODULE),
{ok,S};
@@ -175,13 +175,15 @@ accept(L) ->
end.
accept(L, Timeout) ->
- case prim_inet:accept(L, Timeout) of
+ case prim_inet:accept(L, Timeout, accept_family_opts()) of
{ok, S} ->
inet_db:register_socket(S, ?MODULE),
{ok,S};
Error -> Error
end.
+accept_family_opts() -> [tclass, recvtclass].
+
%%
%% Create a port/socket from a file descriptor
%%
diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl
index 357e27826c..c8e09d18ad 100644
--- a/lib/kernel/src/inet_int.hrl
+++ b/lib/kernel/src/inet_int.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -157,6 +157,11 @@
-define(INET_LOPT_LINE_DELIM, 40).
-define(INET_OPT_TCLASS, 41).
-define(INET_OPT_BIND_TO_DEVICE, 42).
+-define(INET_OPT_RECVTOS, 43).
+-define(INET_OPT_RECVTCLASS, 44).
+-define(INET_OPT_PKTOPTIONS, 45).
+-define(INET_OPT_TTL, 46).
+-define(INET_OPT_RECVTTL, 47).
% Specific SCTP options: separate range:
-define(SCTP_OPT_RTOINFO, 100).
-define(SCTP_OPT_ASSOCINFO, 101).
diff --git a/lib/kernel/src/inet_tcp.erl b/lib/kernel/src/inet_tcp.erl
index dac6b3119d..f1e3116856 100644
--- a/lib/kernel/src/inet_tcp.erl
+++ b/lib/kernel/src/inet_tcp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -164,7 +164,7 @@ listen(Port, Opts) ->
%% Accept
%%
accept(L) ->
- case prim_inet:accept(L) of
+ case prim_inet:accept(L, accept_family_opts()) of
{ok, S} ->
inet_db:register_socket(S, ?MODULE),
{ok,S};
@@ -172,13 +172,15 @@ accept(L) ->
end.
accept(L, Timeout) ->
- case prim_inet:accept(L, Timeout) of
+ case prim_inet:accept(L, Timeout, accept_family_opts()) of
{ok, S} ->
inet_db:register_socket(S, ?MODULE),
{ok,S};
Error -> Error
end.
+accept_family_opts() -> [tos, ttl, recvtos, recvttl].
+
%%
%% Create a port/socket from a file descriptor
%%
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index 950f5bea6f..91c89e76dd 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -2205,7 +2205,7 @@ wait_until_accepting(Proc,0) ->
exit({timeout_waiting_for_accepting,Proc});
wait_until_accepting(Proc,N) ->
case process_info(Proc,current_function) of
- {current_function,{prim_inet,accept0,2}} ->
+ {current_function,{prim_inet,accept0,3}} ->
case process_info(Proc,status) of
{status,waiting} ->
ok;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-24 02:03:34 +0000