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authorRaimo Niskanen <[email protected]>2011-11-17 15:53:52 +0100
committerRaimo Niskanen <[email protected]>2011-11-17 15:53:52 +0100
commit067cfe79da2490d49288a50db73ad2a884411934 (patch)
tree4a42d5214c13ed88c8d1bf88960db1411eba0336 /erts/emulator/drivers/common/inet_drv.c
parent40790b549f870b61828e7590977faf827abd3a01 (diff)
parent0cc982589f69b88fc18deb6ecfa3c7b5e9932e9d (diff)
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Merge branch 'raimo/sctp-dev/OTP-9239'
* raimo/sctp-dev/OTP-9239: (21 commits) erts: Possible bugfix for error chunk on old Solaris 10 kernel: Documented gen_sctp:peeloff/2 kernel: Adjust SCTP test to SuSE quirk erts: Fixes for SCTP on old Solaris 10 Update preloaded files erts,kernel: Return eprotonosupport when SCTP is not supported kernel: Adjust SCTP tests to Solaris quirks erts: Fix SCTP decoding byteorder bug for adaptation_ind kernel: Rewrite SCTP test socket handler kernel: Fix SCTP tests for the FreeBSD protocol stack kernel: Bugfix - SCTP connect with sndrcvinfo in assoc_change event erts: Default enable SCTP in configure Update primary bootstrap and preloaded files erts: Use SCTP functions in default libs erts: Improve SCTP message defragmenting erts,kernel: Bugfix - collect fragmented SCTP messages on recv kernel: Add tests for gen_sctp:peeloff/2 erts,kernel: Implement gen_sctp:peeloff/2 kernel: Add tests for SCTP stream sockets erts,kernel: Add type stream sockets to SCTP ...
Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r--erts/emulator/drivers/common/inet_drv.c687
1 files changed, 481 insertions, 206 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index c803e6b51e..2ff5f744d6 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -280,6 +280,57 @@ static unsigned long one_value = 1;
# define SCTP_EOF MSG_EOF
#endif
+/* More Solaris 10 fixes: */
+#if ! HAVE_DECL_SCTP_CLOSED && HAVE_DECL_SCTPS_IDLE
+# define SCTP_CLOSED SCTPS_IDLE
+# undef HAVE_DECL_SCTP_CLOSED
+# define HAVE_DECL_SCTP_CLOSED 1
+#endif
+#if ! HAVE_DECL_SCTP_BOUND && HAVE_DECL_SCTPS_BOUND
+# define SCTP_BOUND SCTPS_BOUND
+# undef HAVE_DECL_SCTP_BOUND
+# define HAVE_DECL_SCTP_BOUND 1
+#endif
+#if ! HAVE_DECL_SCTP_LISTEN && HAVE_DECL_SCTPS_LISTEN
+# define SCTP_LISTEN SCTPS_LISTEN
+# undef HAVE_DECL_SCTP_LISTEN
+# define HAVE_DECL_SCTP_LISTEN 1
+#endif
+#if ! HAVE_DECL_SCTP_COOKIE_WAIT && HAVE_DECL_SCTPS_COOKIE_WAIT
+# define SCTP_COOKIE_WAIT SCTPS_COOKIE_WAIT
+# undef HAVE_DECL_SCTP_COOKIE_WAIT
+# define HAVE_DECL_SCTP_COOKIE_WAIT 1
+#endif
+#if ! HAVE_DECL_SCTP_COOKIE_ECHOED && HAVE_DECL_SCTPS_COOKIE_ECHOED
+# define SCTP_COOKIE_ECHOED SCTPS_COOKIE_ECHOED
+# undef HAVE_DECL_SCTP_COOKIE_ECHOED
+# define HAVE_DECL_SCTP_COOKIE_ECHOED 1
+#endif
+#if ! HAVE_DECL_SCTP_ESTABLISHED && HAVE_DECL_SCTPS_ESTABLISHED
+# define SCTP_ESTABLISHED SCTPS_ESTABLISHED
+# undef HAVE_DECL_SCTP_ESTABLISHED
+# define HAVE_DECL_SCTP_ESTABLISHED 1
+#endif
+#if ! HAVE_DECL_SCTP_SHUTDOWN_PENDING && HAVE_DECL_SCTPS_SHUTDOWN_PENDING
+# define SCTP_SHUTDOWN_PENDING SCTPS_SHUTDOWN_PENDING
+# undef HAVE_DECL_SCTP_SHUTDOWN_PENDING
+# define HAVE_DECL_SCTP_SHUTDOWN_PENDING 1
+#endif
+#if ! HAVE_DECL_SCTP_SHUTDOWN_SENT && HAVE_DECL_SCTPS_SHUTDOWN_SENT
+# define SCTP_SHUTDOWN_SENT SCTPS_SHUTDOWN_SENT
+# undef HAVE_DECL_SCTP_SHUTDOWN_SENT
+# define HAVE_DECL_SCTP_SHUTDOWN_SENT 1
+#endif
+#if ! HAVE_DECL_SCTP_SHUTDOWN_RECEIVED && HAVE_DECL_SCTPS_SHUTDOWN_RECEIVED
+# define SCTP_SHUTDOWN_RECEIVED SCTPS_SHUTDOWN_RECEIVED
+# undef HAVE_DECL_SCTP_SHUTDOWN_RECEIVED
+# define HAVE_DECL_SCTP_SHUTDOWN_RECEIVED 1
+#endif
+#if ! HAVE_DECL_SCTP_SHUTDOWN_ACK_SENT && HAVE_DECL_SCTPS_SHUTDOWN_ACK_SENT
+# define SCTP_SHUTDOWN_ACK_SENT SCTPS_SHUTDOWN_ACK_SENT
+# undef HAVE_DECL_SCTP_SHUTDOWN_ACK_SENT
+# define HAVE_DECL_SCTP_SHUTDOWN_ACK_SENT 1
+#endif
/* New spelling in lksctp 2.6.22 or maybe even earlier:
* adaption -> adaptation
*/
@@ -294,12 +345,13 @@ static unsigned long one_value = 1;
# define sctp_adaptation_layer_event sctp_adaption_layer_event
#endif
-static void *h_libsctp = NULL;
#ifdef __GNUC__
static typeof(sctp_bindx) *p_sctp_bindx = NULL;
+static typeof(sctp_peeloff) *p_sctp_peeloff = NULL;
#else
static int (*p_sctp_bindx)(int sd, struct sockaddr *addrs,
int addrcnt, int flags) = NULL;
+static int (*p_sctp_peeloff)(int sd, sctp_assoc_t assoc_id) = NULL;
#endif
#endif /* SCTP supported */
@@ -427,7 +479,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_AF_ANY 3 /* INADDR_ANY or IN6ADDR_ANY_INIT */
#define INET_AF_LOOPBACK 4 /* INADDR_LOOPBACK or IN6ADDR_LOOPBACK_INIT */
-/* INET_REQ_GETTYPE enumeration */
+/* open and INET_REQ_GETTYPE enumeration */
#define INET_TYPE_STREAM 1
#define INET_TYPE_DGRAM 2
#define INET_TYPE_SEQPACKET 3
@@ -484,16 +536,19 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_REQ_IFSET 23
#define INET_REQ_SUBSCRIBE 24
#define INET_REQ_GETIFADDRS 25
+#define INET_REQ_ACCEPT 26
+#define INET_REQ_LISTEN 27
/* TCP requests */
-#define TCP_REQ_ACCEPT 40
-#define TCP_REQ_LISTEN 41
+/* #define TCP_REQ_ACCEPT 40 MOVED */
+/* #define TCP_REQ_LISTEN 41 MERGED */
#define TCP_REQ_RECV 42
#define TCP_REQ_UNRECV 43
#define TCP_REQ_SHUTDOWN 44
/* UDP and SCTP requests */
#define PACKET_REQ_RECV 60 /* Common for UDP and SCTP */
-#define SCTP_REQ_LISTEN 61 /* Different from TCP; not for UDP */
+/* #define SCTP_REQ_LISTEN 61 MERGED Different from TCP; not for UDP */
#define SCTP_REQ_BINDX 62 /* Multi-home SCTP bind */
+#define SCTP_REQ_PEELOFF 63
/* INET_REQ_SUBSCRIBE sub-requests */
#define INET_SUBS_EMPTY_OUT_Q 1
@@ -507,7 +562,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
/* *_REQ_* replies */
#define INET_REP_ERROR 0
#define INET_REP_OK 1
-#define INET_REP_SCTP 2
+#define INET_REP 2
/* INET_REQ_SETOPTS and INET_REQ_GETOPTS options */
#define INET_OPT_REUSEADDR 0 /* enable/disable local address reuse */
@@ -628,10 +683,14 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
** End of interface constants.
**--------------------------------------------------------------------------*/
-#define INET_STATE_CLOSED 0
-#define INET_STATE_OPEN (INET_F_OPEN)
-#define INET_STATE_BOUND (INET_STATE_OPEN | INET_F_BOUND)
-#define INET_STATE_CONNECTED (INET_STATE_BOUND | INET_F_ACTIVE)
+#define INET_STATE_CLOSED (0)
+#define INET_STATE_OPEN (INET_F_OPEN)
+#define INET_STATE_BOUND (INET_STATE_OPEN | INET_F_BOUND)
+#define INET_STATE_CONNECTED (INET_STATE_BOUND | INET_F_ACTIVE)
+#define INET_STATE_LISTENING (INET_STATE_BOUND | INET_F_LISTEN)
+#define INET_STATE_CONNECTING (INET_STATE_BOUND | INET_F_CON)
+#define INET_STATE_ACCEPTING (INET_STATE_LISTENING | INET_F_ACC)
+#define INET_STATE_MULTI_ACCEPTING (INET_STATE_ACCEPTING | INET_F_MULTI_CLIENT)
#define IS_OPEN(d) \
(((d)->state & INET_F_OPEN) == INET_F_OPEN)
@@ -674,7 +733,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#endif
-#define BIN_REALLOC_LIMIT(x) (((x)*3)/4) /* 75% */
+#define BIN_REALLOC_MARGIN(x) ((x)/4) /* 25% */
/* The general purpose sockaddr */
typedef union {
@@ -809,16 +868,6 @@ typedef struct {
-#define TCP_STATE_CLOSED INET_STATE_CLOSED
-#define TCP_STATE_OPEN (INET_F_OPEN)
-#define TCP_STATE_BOUND (TCP_STATE_OPEN | INET_F_BOUND)
-#define TCP_STATE_CONNECTED (TCP_STATE_BOUND | INET_F_ACTIVE)
-#define TCP_STATE_LISTEN (TCP_STATE_BOUND | INET_F_LISTEN)
-#define TCP_STATE_CONNECTING (TCP_STATE_BOUND | INET_F_CON)
-#define TCP_STATE_ACCEPTING (TCP_STATE_LISTEN | INET_F_ACC)
-#define TCP_STATE_MULTI_ACCEPTING (TCP_STATE_ACCEPTING | INET_F_MULTI_CLIENT)
-
-
#define TCP_MAX_PACKET_SIZE 0x4000000 /* 64 M */
#define MAX_VSIZE 16 /* Max number of entries allowed in an I/O
@@ -874,12 +923,6 @@ static struct erl_drv_entry tcp_inet_driver_entry =
inet_stop_select
};
-#define PACKET_STATE_CLOSED INET_STATE_CLOSED
-#define PACKET_STATE_OPEN (INET_F_OPEN)
-#define PACKET_STATE_BOUND (PACKET_STATE_OPEN | INET_F_BOUND)
-#define SCTP_STATE_LISTEN (PACKET_STATE_BOUND | INET_F_LISTEN)
-#define SCTP_STATE_CONNECTING (PACKET_STATE_BOUND | INET_F_CON)
-#define PACKET_STATE_CONNECTED (PACKET_STATE_BOUND | INET_F_ACTIVE)
static int packet_inet_init(void);
@@ -997,6 +1040,9 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event);
typedef struct {
inet_descriptor inet; /* common data structure (DON'T MOVE) */
int read_packets; /* Number of packets to read per invocation */
+ int i_bufsz; /* current input buffer size */
+ ErlDrvBinary* i_buf; /* current binary buffer */
+ char* i_ptr; /* current pos in buf */
} udp_descriptor;
@@ -1851,6 +1897,26 @@ static int inet_reply_ok(inet_descriptor* desc)
return driver_send_term(desc->port, caller, spec, i);
}
+#ifdef HAVE_SCTP
+static int inet_reply_ok_port(inet_descriptor* desc, ErlDrvTermData dport)
+{
+ ErlDrvTermData spec[2*LOAD_ATOM_CNT + 2*LOAD_PORT_CNT + 2*LOAD_TUPLE_CNT];
+ ErlDrvTermData caller = desc->caller;
+ int i = 0;
+
+ i = LOAD_ATOM(spec, i, am_inet_reply);
+ i = LOAD_PORT(spec, i, desc->dport);
+ i = LOAD_ATOM(spec, i, am_ok);
+ i = LOAD_PORT(spec, i, dport);
+ i = LOAD_TUPLE(spec, i, 2);
+ i = LOAD_TUPLE(spec, i, 3);
+ ASSERT(i == sizeof(spec)/sizeof(*spec));
+
+ desc->caller = 0;
+ return driver_send_term(desc->port, caller, spec, i);
+}
+#endif
+
/* send:
** {inet_reply, S, {error, Reason}}
*/
@@ -2389,14 +2455,19 @@ static ErlDrvTermData am_sctp_rtoinfo, /* Option names */
am_active, am_inactive,
/* For #sctp_status{}: */
- am_empty, am_closed,
+# if HAVE_DECL_SCTP_EMPTY
+ am_empty,
+# endif
+# if HAVE_DECL_SCTP_BOUND
+ am_bound,
+# endif
+# if HAVE_DECL_SCTP_LISTEN
+ am_listen,
+# endif
am_cookie_wait, am_cookie_echoed,
am_established, am_shutdown_pending,
am_shutdown_sent, am_shutdown_received,
am_shutdown_ack_sent;
- /* Not yet implemented in the Linux kernel:
- ** am_bound, am_listen;
- */
/*
** Parsing of "sctp_sndrcvinfo": ancillary data coming with received msgs.
@@ -2665,7 +2736,8 @@ static int sctp_parse_async_event
# ifdef HAVE_STRUCT_SCTP_REMOTE_ERROR_SRE_DATA
chunk = (char*) (&(sptr->sre_data));
# else
- chunk = ((char*)sptr) + sizeof(*sptr);
+ chunk = ((char*) &(sptr->sre_assoc_id))
+ + sizeof(sptr->sre_assoc_id);
# endif
chlen = sptr->sre_length - (chunk - (char *)sptr);
i = sctp_parse_error_chunk(spec, i, chunk, chlen);
@@ -2716,7 +2788,8 @@ static int sctp_parse_async_event
# ifdef HAVE_STRUCT_SCTP_SEND_FAILED_SSF_DATA
chunk = (char*) (&(sptr->ssf_data));
# else
- chunk = ((char*)sptr) + sizeof(*sptr);
+ chunk = ((char*) &(sptr->ssf_assoc_id))
+ + sizeof(sptr->ssf_assoc_id);
# endif
chlen = sptr->ssf_length - (chunk - (char*) sptr);
choff = chunk - bin->orig_bytes;
@@ -3390,8 +3463,15 @@ static void inet_init_sctp(void) {
INIT_ATOM(inactive);
/* For #sctp_status{}: */
+# if HAVE_DECL_SCTP_EMPTY
INIT_ATOM(empty);
- INIT_ATOM(closed);
+# endif
+# if HAVE_DECL_SCTP_BOUND
+ INIT_ATOM(bound);
+# endif
+# if HAVE_DECL_SCTP_LISTEN
+ INIT_ATOM(listen);
+# endif
INIT_ATOM(cookie_wait);
INIT_ATOM(cookie_echoed);
INIT_ATOM(established);
@@ -3399,10 +3479,6 @@ static void inet_init_sctp(void) {
INIT_ATOM(shutdown_sent);
INIT_ATOM(shutdown_received);
INIT_ATOM(shutdown_ack_sent);
- /* Not yet implemented in the Linux kernel:
- ** INIT_ATOM(bound);
- ** INIT_ATOM(listen);
- */
}
#endif /* HAVE_SCTP */
@@ -3453,17 +3529,32 @@ static int inet_init()
/* Check the size of SCTP AssocID -- currently both this driver and the
Erlang part require 32 bit: */
ASSERT(sizeof(sctp_assoc_t)==ASSOC_ID_LEN);
-# ifndef LIBSCTP
-# error LIBSCTP not defined
-# endif
- if (erts_sys_ddll_open_noext(STRINGIFY(LIBSCTP), &h_libsctp, NULL) == 0) {
- void *ptr;
- if (erts_sys_ddll_sym(h_libsctp, "sctp_bindx", &ptr) == 0) {
- p_sctp_bindx = ptr;
- inet_init_sctp();
- add_driver_entry(&sctp_inet_driver_entry);
+# if defined(HAVE_SCTP_BINDX) && defined (HAVE_SCTP_PEELOFF)
+ p_sctp_bindx = sctp_bindx;
+ p_sctp_peeloff = sctp_peeloff;
+ inet_init_sctp();
+ add_driver_entry(&sctp_inet_driver_entry);
+# else
+# ifndef LIBSCTP
+# error LIBSCTP not defined
+# endif
+ {
+ static void *h_libsctp = NULL;
+
+ if (erts_sys_ddll_open_noext(STRINGIFY(LIBSCTP), &h_libsctp, NULL)
+ == 0) {
+ void *ptr;
+ if (erts_sys_ddll_sym(h_libsctp, "sctp_bindx", &ptr) == 0) {
+ p_sctp_bindx = ptr;
+ inet_init_sctp();
+ add_driver_entry(&sctp_inet_driver_entry);
+ if (erts_sys_ddll_sym(h_libsctp, "sctp_peeloff", &ptr) == 0) {
+ p_sctp_peeloff = ptr;
+ }
+ }
}
}
+# endif
#endif
/* remove the dummy inet driver */
@@ -4459,6 +4550,7 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
+#if defined(__WIN32__) || defined(HAVE_GETIFADDRS)
/* Latin-1 to utf8 */
static int utf8_len(const char *c, int m) {
@@ -4481,6 +4573,7 @@ static void utf8_encode(const char *c, int m, char *p) {
}
}
}
+#endif
#if defined(__WIN32__)
@@ -6736,7 +6829,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
2*LOAD_ATOM_CNT + LOAD_INT_CNT + 2*LOAD_TUPLE_CNT);
i = LOAD_ATOM (spec, i, am_sctp_adaptation_layer);
i = LOAD_ATOM (spec, i, am_sctp_setadaptation);
- i = LOAD_INT (spec, i, ad.ssb_adaptation_ind);
+ i = LOAD_INT (spec, i, sock_ntohl(ad.ssb_adaptation_ind));
i = LOAD_TUPLE (spec, i, 2);
i = LOAD_TUPLE (spec, i, 2);
break;
@@ -6879,7 +6972,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
break;
}
/* The following option is not available in Solaris 10: */
-# ifdef SCTP_DELAYED_ACK_TIME
+# if HAVE_DECL_SCTP_DELAYED_ACK_TIME
case SCTP_OPT_DELAYED_ACK_TIME:
{
struct sctp_assoc_value av;
@@ -6926,7 +7019,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
switch(st.sstat_state)
{
/* SCTP_EMPTY is not supported on SOLARIS10: */
-# ifdef SCTP_EMPTY
+# if HAVE_DECL_SCTP_EMPTY
case SCTP_EMPTY:
i = LOAD_ATOM (spec, i, am_empty);
break;
@@ -6934,14 +7027,16 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
case SCTP_CLOSED:
i = LOAD_ATOM (spec, i, am_closed);
break;
- /* The following states are not supported by Linux Kernel SCTP yet:
+# if HAVE_DECL_SCTP_BOUND
case SCTP_BOUND:
i = LOAD_ATOM (spec, i, am_bound);
break;
+# endif
+# if HAVE_DECL_SCTP_LISTEN
case SCTP_LISTEN:
i = LOAD_ATOM (spec, i, am_listen);
break;
- */
+# endif
case SCTP_COOKIE_WAIT:
i = LOAD_ATOM (spec, i, am_cookie_wait);
break;
@@ -7032,7 +7127,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
driver_send_term(desc->port, driver_caller(desc->port), spec, i);
FREE(spec);
- (*dest)[0] = INET_REP_SCTP;
+ (*dest)[0] = INET_REP;
return 1; /* Response length */
# undef PLACE_FOR
# undef RETURN_ERROR
@@ -7807,22 +7902,22 @@ static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s,
static void tcp_close_check(tcp_descriptor* desc)
{
/* XXX:PaN - multiple clients to handle! */
- if (desc->inet.state == TCP_STATE_ACCEPTING) {
+ if (desc->inet.state == INET_STATE_ACCEPTING) {
inet_async_op *this_op = desc->inet.opt;
sock_select(INETP(desc), FD_ACCEPT, 0);
- desc->inet.state = TCP_STATE_LISTEN;
+ desc->inet.state = INET_STATE_LISTENING;
if (this_op != NULL) {
driver_demonitor_process(desc->inet.port, &(this_op->monitor));
}
async_error_am(INETP(desc), am_closed);
}
- else if (desc->inet.state == TCP_STATE_MULTI_ACCEPTING) {
+ else if (desc->inet.state == INET_STATE_MULTI_ACCEPTING) {
int id,req;
ErlDrvTermData caller;
ErlDrvMonitor monitor;
sock_select(INETP(desc), FD_ACCEPT, 0);
- desc->inet.state = TCP_STATE_LISTEN;
+ desc->inet.state = INET_STATE_LISTENING;
while (deq_multi_op(desc,&id,&req,&caller,NULL,&monitor) == 0) {
driver_demonitor_process(desc->inet.port, &monitor);
send_async_error(desc->inet.port, desc->inet.dport, id, caller, am_closed);
@@ -7830,10 +7925,10 @@ static void tcp_close_check(tcp_descriptor* desc)
clean_multi_timers(&(desc->mtd), desc->inet.port);
}
- else if (desc->inet.state == TCP_STATE_CONNECTING) {
+ else if (desc->inet.state == INET_STATE_CONNECTING) {
async_error_am(INETP(desc), am_closed);
}
- else if (desc->inet.state == TCP_STATE_CONNECTED) {
+ else if (desc->inet.state == INET_STATE_CONNECTED) {
async_error_am_all(INETP(desc), am_closed);
}
}
@@ -7865,40 +7960,62 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
{
tcp_descriptor* desc = (tcp_descriptor*)e;
switch(cmd) {
- case INET_REQ_OPEN: /* open socket and return internal index */
+ case INET_REQ_OPEN: { /* open socket and return internal index */
+ int domain;
DEBUGF(("tcp_inet_ctl(%ld): OPEN\r\n", (long)desc->inet.port));
- if ((len == 1) && (buf[0] == INET_AF_INET))
- return
- inet_ctl_open(INETP(desc), AF_INET, SOCK_STREAM, rbuf, rsize);
+ if (len != 2) return ctl_error(EINVAL, rbuf, rsize);
+ switch(buf[0]) {
+ case INET_AF_INET:
+ domain = AF_INET;
+ break;
#if defined(HAVE_IN6) && defined(AF_INET6)
- else if ((len == 1) && (buf[0] == INET_AF_INET6))
- return
- inet_ctl_open(INETP(desc), AF_INET6, SOCK_STREAM, rbuf, rsize);
+ case INET_AF_INET6:
+ domain = AF_INET6;
+ break;
#else
- else if ((len == 1) && (buf[0] == INET_AF_INET6))
- return ctl_xerror("eafnosupport",rbuf,rsize);
+ case INET_AF_INET6:
+ return ctl_xerror("eafnosupport", rbuf, rsize);
+ break;
#endif
- else
+ default:
return ctl_error(EINVAL, rbuf, rsize);
+ }
+ if (buf[1] != INET_TYPE_STREAM) return ctl_error(EINVAL, rbuf, rsize);
+ return inet_ctl_open(INETP(desc), domain, SOCK_STREAM, rbuf, rsize);
+ break;
+ }
- case INET_REQ_FDOPEN: /* pass in an open socket */
- DEBUGF(("tcp_inet_ctl(%ld): FDOPEN\r\n", (long)desc->inet.port));
- if ((len == 5) && (buf[0] == INET_AF_INET))
- return inet_ctl_fdopen(INETP(desc), AF_INET, SOCK_STREAM,
- (SOCKET) get_int32(buf+1), rbuf, rsize);
+ case INET_REQ_FDOPEN: { /* pass in an open socket */
+ int domain;
+ DEBUGF(("tcp_inet_ctl(%ld): FDOPEN\r\n", (long)desc->inet.port));
+ if (len != 6) return ctl_error(EINVAL, rbuf, rsize);
+ switch(buf[0]) {
+ case INET_AF_INET:
+ domain = AF_INET;
+ break;
#if defined(HAVE_IN6) && defined(AF_INET6)
- else if ((len == 5) && (buf[0] == INET_AF_INET6))
- return inet_ctl_fdopen(INETP(desc), AF_INET6, SOCK_STREAM,
- (SOCKET) get_int32(buf+1), rbuf, rsize);
+ case INET_AF_INET6:
+ domain = AF_INET6;
+ break;
+#else
+ case INET_AF_INET6:
+ return ctl_xerror("eafnosupport", rbuf, rsize);
+ break;
#endif
- else
+ default:
return ctl_error(EINVAL, rbuf, rsize);
+ }
+ if (buf[1] != INET_TYPE_STREAM) return ctl_error(EINVAL, rbuf, rsize);
+ return inet_ctl_fdopen(INETP(desc), domain, SOCK_STREAM,
+ (SOCKET) get_int32(buf+2), rbuf, rsize);
+ break;
+ }
- case TCP_REQ_LISTEN: { /* argument backlog */
+ case INET_REQ_LISTEN: { /* argument backlog */
int backlog;
DEBUGF(("tcp_inet_ctl(%ld): LISTEN\r\n", (long)desc->inet.port));
- if (desc->inet.state == TCP_STATE_CLOSED)
+ if (desc->inet.state == INET_STATE_CLOSED)
return ctl_xerror(EXBADPORT, rbuf, rsize);
if (!IS_OPEN(INETP(desc)))
return ctl_xerror(EXBADPORT, rbuf, rsize);
@@ -7909,7 +8026,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
backlog = get_int16(buf);
if (IS_SOCKET_ERROR(sock_listen(desc->inet.s, backlog)))
return ctl_error(sock_errno(), rbuf, rsize);
- desc->inet.state = TCP_STATE_LISTEN;
+ desc->inet.state = INET_STATE_LISTENING;
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
@@ -7945,13 +8062,13 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
((sock_errno() == ERRNO_BLOCK) || /* Winsock2 */
(sock_errno() == EINPROGRESS))) { /* Unix & OSE!! */
sock_select(INETP(desc), FD_CONNECT, 1);
- desc->inet.state = TCP_STATE_CONNECTING;
+ desc->inet.state = INET_STATE_CONNECTING;
if (timeout != INET_INFINITY)
driver_set_timer(desc->inet.port, timeout);
enq_async(INETP(desc), tbuf, INET_REQ_CONNECT);
}
else if (code == 0) { /* ok we are connected */
- desc->inet.state = TCP_STATE_CONNECTED;
+ desc->inet.state = INET_STATE_CONNECTED;
if (desc->inet.active)
sock_select(INETP(desc), (FD_READ|FD_CLOSE), 1);
enq_async(INETP(desc), tbuf, INET_REQ_CONNECT);
@@ -7963,7 +8080,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
}
- case TCP_REQ_ACCEPT: { /* do async accept */
+ case INET_REQ_ACCEPT: { /* do async accept */
char tbuf[2];
unsigned timeout;
inet_address remote;
@@ -7973,14 +8090,14 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
DEBUGF(("tcp_inet_ctl(%ld): ACCEPT\r\n", (long)desc->inet.port));
/* INPUT: Timeout(4) */
- if ((desc->inet.state != TCP_STATE_LISTEN && desc->inet.state != TCP_STATE_ACCEPTING &&
- desc->inet.state != TCP_STATE_MULTI_ACCEPTING) || len != 4) {
+ if ((desc->inet.state != INET_STATE_LISTENING && desc->inet.state != INET_STATE_ACCEPTING &&
+ desc->inet.state != INET_STATE_MULTI_ACCEPTING) || len != 4) {
return ctl_error(EINVAL, rbuf, rsize);
}
timeout = get_int32(buf);
- if (desc->inet.state == TCP_STATE_ACCEPTING) {
+ if (desc->inet.state == INET_STATE_ACCEPTING) {
unsigned long time_left = 0;
int oid = 0;
ErlDrvTermData ocaller = ERL_DRV_NIL;
@@ -8009,10 +8126,10 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
mtd = add_multi_timer(&(desc->mtd), desc->inet.port, caller,
timeout, &tcp_inet_multi_timeout);
}
- enq_multi_op(desc, tbuf, TCP_REQ_ACCEPT, caller, mtd, &monitor);
- desc->inet.state = TCP_STATE_MULTI_ACCEPTING;
+ enq_multi_op(desc, tbuf, INET_REQ_ACCEPT, caller, mtd, &monitor);
+ desc->inet.state = INET_STATE_MULTI_ACCEPTING;
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
- } else if (desc->inet.state == TCP_STATE_MULTI_ACCEPTING) {
+ } else if (desc->inet.state == INET_STATE_MULTI_ACCEPTING) {
ErlDrvTermData caller = driver_caller(desc->inet.port);
MultiTimerData *mtd = NULL;
ErlDrvMonitor monitor;
@@ -8024,7 +8141,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
mtd = add_multi_timer(&(desc->mtd), desc->inet.port, caller,
timeout, &tcp_inet_multi_timeout);
}
- enq_multi_op(desc, tbuf, TCP_REQ_ACCEPT, caller, mtd, &monitor);
+ enq_multi_op(desc, tbuf, INET_REQ_ACCEPT, caller, mtd, &monitor);
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
} else {
n = sizeof(desc->inet.remote);
@@ -8036,8 +8153,8 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
&monitor) != 0) {
return ctl_xerror("noproc", rbuf, rsize);
}
- enq_async_w_tmo(INETP(desc), tbuf, TCP_REQ_ACCEPT, timeout, &monitor);
- desc->inet.state = TCP_STATE_ACCEPTING;
+ enq_async_w_tmo(INETP(desc), tbuf, INET_REQ_ACCEPT, timeout, &monitor);
+ desc->inet.state = INET_STATE_ACCEPTING;
sock_select(INETP(desc),FD_ACCEPT,1);
if (timeout != INET_INFINITY) {
driver_set_timer(desc->inet.port, timeout);
@@ -8064,8 +8181,8 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
driver_select(accept_desc->inet.port, accept_desc->inet.event,
ERL_DRV_READ, 1);
#endif
- accept_desc->inet.state = TCP_STATE_CONNECTED;
- enq_async(INETP(desc), tbuf, TCP_REQ_ACCEPT);
+ accept_desc->inet.state = INET_STATE_CONNECTED;
+ enq_async(INETP(desc), tbuf, INET_REQ_ACCEPT);
async_ok_port(INETP(desc), accept_desc->inet.dport);
}
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
@@ -8171,7 +8288,7 @@ static void tcp_inet_timeout(ErlDrvData e)
(long)desc->inet.port, desc->inet.s));
if ((state & INET_F_MULTI_CLIENT)) { /* Multi-client always means multi-timers */
fire_multi_timers(&(desc->mtd), desc->inet.port, e);
- } else if ((state & TCP_STATE_CONNECTED) == TCP_STATE_CONNECTED) {
+ } else if ((state & INET_STATE_CONNECTED) == INET_STATE_CONNECTED) {
if (desc->busy_on_send) {
ASSERT(IS_BUSY(INETP(desc)));
desc->inet.caller = desc->inet.busy_caller;
@@ -8191,20 +8308,20 @@ static void tcp_inet_timeout(ErlDrvData e)
async_error_am(INETP(desc), am_timeout);
}
}
- else if ((state & TCP_STATE_CONNECTING) == TCP_STATE_CONNECTING) {
+ else if ((state & INET_STATE_CONNECTING) == INET_STATE_CONNECTING) {
/* assume connect timeout */
/* close the socket since it's not usable (see man pages) */
erl_inet_close(INETP(desc));
async_error_am(INETP(desc), am_timeout);
}
- else if ((state & TCP_STATE_ACCEPTING) == TCP_STATE_ACCEPTING) {
+ else if ((state & INET_STATE_ACCEPTING) == INET_STATE_ACCEPTING) {
inet_async_op *this_op = desc->inet.opt;
/* timer is set on accept */
sock_select(INETP(desc), FD_ACCEPT, 0);
if (this_op != NULL) {
driver_demonitor_process(desc->inet.port, &(this_op->monitor));
}
- desc->inet.state = TCP_STATE_LISTEN;
+ desc->inet.state = INET_STATE_LISTENING;
async_error_am(INETP(desc), am_timeout);
}
DEBUGF(("tcp_inet_timeout(%ld) }\r\n", (long)desc->inet.port));
@@ -8222,7 +8339,7 @@ static void tcp_inet_multi_timeout(ErlDrvData e, ErlDrvTermData caller)
driver_demonitor_process(desc->inet.port, &monitor);
if (desc->multi_first == NULL) {
sock_select(INETP(desc),FD_ACCEPT,0);
- desc->inet.state = TCP_STATE_LISTEN; /* restore state */
+ desc->inet.state = INET_STATE_LISTENING; /* restore state */
}
send_async_error(desc->inet.port, desc->inet.dport, id, caller, am_timeout);
}
@@ -8288,7 +8405,7 @@ static void tcp_inet_process_exit(ErlDrvData e, ErlDrvMonitor *monitorp)
ErlDrvTermData who = driver_get_monitored_process(desc->inet.port,monitorp);
int state = desc->inet.state;
- if ((state & TCP_STATE_MULTI_ACCEPTING) == TCP_STATE_MULTI_ACCEPTING) {
+ if ((state & INET_STATE_MULTI_ACCEPTING) == INET_STATE_MULTI_ACCEPTING) {
int id,req;
MultiTimerData *timeout;
if (remove_multi_op(desc, &id, &req, who, &timeout, NULL) != 0) {
@@ -8299,15 +8416,15 @@ static void tcp_inet_process_exit(ErlDrvData e, ErlDrvMonitor *monitorp)
}
if (desc->multi_first == NULL) {
sock_select(INETP(desc),FD_ACCEPT,0);
- desc->inet.state = TCP_STATE_LISTEN; /* restore state */
+ desc->inet.state = INET_STATE_LISTENING; /* restore state */
}
- } else if ((state & TCP_STATE_ACCEPTING) == TCP_STATE_ACCEPTING) {
+ } else if ((state & INET_STATE_ACCEPTING) == INET_STATE_ACCEPTING) {
int did,drid;
ErlDrvTermData dcaller;
deq_async(INETP(desc), &did, &dcaller, &drid);
driver_cancel_timer(desc->inet.port);
sock_select(INETP(desc),FD_ACCEPT,0);
- desc->inet.state = TCP_STATE_LISTEN; /* restore state */
+ desc->inet.state = INET_STATE_LISTENING; /* restore state */
}
}
@@ -8844,8 +8961,8 @@ static void tcp_inet_event(ErlDrvData e, ErlDrvEvent event)
/* socket has input:
-** 1. TCP_STATE_ACCEPTING => non block accept ?
-** 2. TCP_STATE_CONNECTED => read input
+** 1. INET_STATE_ACCEPTING => non block accept ?
+** 2. INET_STATE_CONNECTED => read input
*/
static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
{
@@ -8854,7 +8971,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
long port = (long) desc->inet.port; /* Used after driver_exit() */
#endif
DEBUGF(("tcp_inet_input(%ld) {s=%d\r\n", port, desc->inet.s));
- if (desc->inet.state == TCP_STATE_ACCEPTING) {
+ if (desc->inet.state == INET_STATE_ACCEPTING) {
SOCKET s;
unsigned int len;
inet_address remote;
@@ -8869,7 +8986,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
}
sock_select(INETP(desc),FD_ACCEPT,0);
- desc->inet.state = TCP_STATE_LISTEN; /* restore state */
+ desc->inet.state = INET_STATE_LISTENING; /* restore state */
if (this_op != NULL) {
driver_demonitor_process(desc->inet.port, &(this_op->monitor));
@@ -8909,11 +9026,11 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
driver_select(accept_desc->inet.port, accept_desc->inet.event,
ERL_DRV_READ, 1);
#endif
- accept_desc->inet.state = TCP_STATE_CONNECTED;
+ accept_desc->inet.state = INET_STATE_CONNECTED;
ret = async_ok_port(INETP(desc), accept_desc->inet.dport);
goto done;
}
- } else if (desc->inet.state == TCP_STATE_MULTI_ACCEPTING) {
+ } else if (desc->inet.state == INET_STATE_MULTI_ACCEPTING) {
SOCKET s;
unsigned int len;
inet_address remote;
@@ -8925,7 +9042,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
int times = 0;
#endif
- while (desc->inet.state == TCP_STATE_MULTI_ACCEPTING) {
+ while (desc->inet.state == INET_STATE_MULTI_ACCEPTING) {
len = sizeof(desc->inet.remote);
s = sock_accept(desc->inet.s, (struct sockaddr*) &remote, &len);
@@ -8945,7 +9062,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
if (desc->multi_first == NULL) {
sock_select(INETP(desc),FD_ACCEPT,0);
- desc->inet.state = TCP_STATE_LISTEN; /* restore state */
+ desc->inet.state = INET_STATE_LISTENING; /* restore state */
}
if (timeout != NULL) {
@@ -8976,7 +9093,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
driver_select(accept_desc->inet.port, accept_desc->inet.event,
ERL_DRV_READ, 1);
#endif
- accept_desc->inet.state = TCP_STATE_CONNECTED;
+ accept_desc->inet.state = INET_STATE_CONNECTED;
ret = send_async_ok_port(desc->inet.port, desc->inet.dport,
id, caller, accept_desc->inet.dport);
}
@@ -9254,8 +9371,8 @@ static void tcp_inet_drv_input(ErlDrvData data, ErlDrvEvent event)
}
/* socket ready for ouput:
-** 1. TCP_STATE_CONNECTING => non block connect ?
-** 2. TCP_STATE_CONNECTED => write output
+** 1. INET_STATE_CONNECTING => non block connect ?
+** 2. INET_STATE_CONNECTED => write output
*/
static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
{
@@ -9264,7 +9381,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
DEBUGF(("tcp_inet_output(%ld) {s=%d\r\n",
(long)desc->inet.port, desc->inet.s));
- if (desc->inet.state == TCP_STATE_CONNECTING) {
+ if (desc->inet.state == INET_STATE_CONNECTING) {
sock_select(INETP(desc),FD_CONNECT,0);
driver_cancel_timer(ix); /* posssibly cancel a timer */
@@ -9284,7 +9401,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
(struct sockaddr*) &desc->inet.remote, &sz);
if (IS_SOCKET_ERROR(code)) {
- desc->inet.state = TCP_STATE_BOUND; /* restore state */
+ desc->inet.state = INET_STATE_BOUND; /* restore state */
ret = async_error(INETP(desc), sock_errno());
goto done;
}
@@ -9297,7 +9414,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
(void *)&error, &sz);
if ((code < 0) || error) {
- desc->inet.state = TCP_STATE_BOUND; /* restore state */
+ desc->inet.state = INET_STATE_BOUND; /* restore state */
ret = async_error(INETP(desc), error);
goto done;
}
@@ -9305,7 +9422,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
#endif /* SO_ERROR */
#endif /* !__WIN32__ */
- desc->inet.state = TCP_STATE_CONNECTED;
+ desc->inet.state = INET_STATE_CONNECTED;
if (desc->inet.active)
sock_select(INETP(desc),(FD_READ|FD_CLOSE),1);
async_ok(INETP(desc));
@@ -9405,6 +9522,59 @@ static int should_use_so_bsdcompat(void)
#endif /* __linux__ */
#endif /* HAVE_SO_BSDCOMPAT */
+
+
+#ifdef HAVE_SCTP
+/* Copy a descriptor, by creating a new port with same settings
+ * as the descriptor desc.
+ * return NULL on error (ENFILE no ports avail)
+ */
+static udp_descriptor* sctp_inet_copy(udp_descriptor* desc, SOCKET s, int* err)
+{
+ ErlDrvPort port = desc->inet.port;
+ udp_descriptor* copy_desc;
+
+ copy_desc = (udp_descriptor*) sctp_inet_start(port, NULL);
+
+ /* Setup event if needed */
+ if ((copy_desc->inet.s = s) != INVALID_SOCKET) {
+ if ((copy_desc->inet.event = sock_create_event(INETP(copy_desc))) ==
+ INVALID_EVENT) {
+ *err = sock_errno();
+ FREE(copy_desc);
+ return NULL;
+ }
+ }
+
+ /* Some flags must be inherited at this point */
+ copy_desc->inet.mode = desc->inet.mode;
+ copy_desc->inet.exitf = desc->inet.exitf;
+ copy_desc->inet.bit8f = desc->inet.bit8f;
+ copy_desc->inet.deliver = desc->inet.deliver;
+ copy_desc->inet.htype = desc->inet.htype;
+ copy_desc->inet.psize = desc->inet.psize;
+ copy_desc->inet.stype = desc->inet.stype;
+ copy_desc->inet.sfamily = desc->inet.sfamily;
+ copy_desc->inet.hsz = desc->inet.hsz;
+ copy_desc->inet.bufsz = desc->inet.bufsz;
+
+ /* The new port will be linked and connected to the caller */
+ port = driver_create_port(port, desc->inet.caller, "sctp_inet",
+ (ErlDrvData) copy_desc);
+ if ((long)port == -1) {
+ *err = ENFILE;
+ FREE(copy_desc);
+ return NULL;
+ }
+ copy_desc->inet.port = port;
+ copy_desc->inet.dport = driver_mk_port(port);
+ *err = 0;
+ return copy_desc;
+}
+#endif
+
+
+
static int packet_inet_init()
{
return 0;
@@ -9423,6 +9593,9 @@ static ErlDrvData packet_inet_start(ErlDrvPort port, char* args, int protocol)
return ERL_DRV_ERROR_ERRNO;
desc->read_packets = INET_PACKET_POLL;
+ desc->i_bufsz = 0;
+ desc->i_buf = NULL;
+ desc->i_ptr = NULL;
return drvd;
}
@@ -9447,6 +9620,10 @@ static void packet_inet_stop(ErlDrvData e)
*/
udp_descriptor * udesc = (udp_descriptor*) e;
inet_descriptor* descr = INETP(udesc);
+ if (udesc->i_buf != NULL) {
+ release_buffer(udesc->i_buf);
+ udesc->i_buf = NULL;
+ }
ASSERT(NO_SUBSCRIBERS(&(descr->empty_out_q_subs)));
inet_stop(descr);
@@ -9471,21 +9648,31 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
udp_descriptor * udesc = (udp_descriptor *) e;
inet_descriptor* desc = INETP(udesc);
int type = SOCK_DGRAM;
- int af;
-#ifdef HAVE_SCTP
- if (IS_SCTP(desc)) type = SOCK_SEQPACKET;
-#endif
+ int af = AF_INET;
switch(cmd) {
case INET_REQ_OPEN: /* open socket and return internal index */
DEBUGF(("packet_inet_ctl(%ld): OPEN\r\n", (long)desc->port));
- if (len != 1) {
+ if (len != 2) {
return ctl_error(EINVAL, rbuf, rsize);
}
switch (buf[0]) {
case INET_AF_INET: af = AF_INET; break;
#if defined(HAVE_IN6) && defined(AF_INET6)
- case INET_AF_INET6: af = AF_INET6; break;
+ case INET_AF_INET6: af = AF_INET6; break;
+#else
+ case INET_AF_INET6:
+ return ctl_xerror("eafnosupport", rbuf, rsize);
+ break;
+#endif
+ default:
+ return ctl_error(EINVAL, rbuf, rsize);
+ }
+ switch (buf[1]) {
+ case INET_TYPE_STREAM: type = SOCK_STREAM; break;
+ case INET_TYPE_DGRAM: type = SOCK_DGRAM; break;
+#ifdef HAVE_SCTP
+ case INET_TYPE_SEQPACKET: type = SOCK_SEQPACKET; break;
#endif
default:
return ctl_error(EINVAL, rbuf, rsize);
@@ -9512,18 +9699,35 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
return replen;
- case INET_REQ_FDOPEN: /* pass in an open (and bound) socket */
+ case INET_REQ_FDOPEN: { /* pass in an open (and bound) socket */
+ SOCKET s;
DEBUGF(("packet inet_ctl(%ld): FDOPEN\r\n", (long)desc->port));
- if ((len == 5) && (buf[0] == INET_AF_INET))
- replen = inet_ctl_fdopen(desc, AF_INET, SOCK_DGRAM,
- (SOCKET)get_int32(buf+1),rbuf,rsize);
+ if (len != 6) {
+ return ctl_error(EINVAL, rbuf, rsize);
+ }
+ switch (buf[0]) {
+ case INET_AF_INET: af = AF_INET; break;
#if defined(HAVE_IN6) && defined(AF_INET6)
- else if ((len == 5) && (buf[0] == INET_AF_INET6))
- replen = inet_ctl_fdopen(desc, AF_INET6, SOCK_DGRAM,
- (SOCKET)get_int32(buf+1),rbuf,rsize);
+ case INET_AF_INET6: af = AF_INET6; break;
+#else
+ case INET_AF_INET6:
+ return ctl_xerror("eafnosupport", rbuf, rsize);
+ break;
#endif
- else
+ default:
+ return ctl_error(EINVAL, rbuf, rsize);
+ }
+ switch (buf[1]) {
+ case INET_TYPE_STREAM: type = SOCK_STREAM; break;
+ case INET_TYPE_DGRAM: type = SOCK_DGRAM; break;
+#ifdef HAVE_SCTP
+ case INET_TYPE_SEQPACKET: type = SOCK_SEQPACKET; break;
+#endif
+ default:
return ctl_error(EINVAL, rbuf, rsize);
+ }
+ s = (SOCKET)get_int32(buf+2);
+ replen = inet_ctl_fdopen(desc, af, type, s, rbuf, rsize);
if ((*rbuf)[0] != INET_REP_ERROR) {
if (desc->active)
@@ -9543,6 +9747,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
#endif
}
return replen;
+ }
case INET_REQ_CLOSE:
@@ -9595,14 +9800,14 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
if (IS_SOCKET_ERROR(code) && (sock_errno() == EINPROGRESS)) {
/* XXX: Unix only -- WinSock would have a different cond! */
- desc->state = SCTP_STATE_CONNECTING;
+ desc->state = INET_STATE_CONNECTING;
if (timeout != INET_INFINITY)
driver_set_timer(desc->port, timeout);
enq_async(desc, tbuf, INET_REQ_CONNECT);
}
else if (code == 0) { /* OK we are connected */
sock_select(desc, FD_CONNECT, 0);
- desc->state = PACKET_STATE_CONNECTED;
+ desc->state = INET_STATE_CONNECTED;
enq_async(desc, tbuf, INET_REQ_CONNECT);
async_ok(desc);
}
@@ -9648,11 +9853,11 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
}
#ifdef HAVE_SCTP
- case SCTP_REQ_LISTEN:
+ case INET_REQ_LISTEN:
{ /* LISTEN is only for SCTP sockets, not UDP. This code is borrowed
from the TCP section. Returns: {ok,[]} on success.
*/
- int flag;
+ int backlog;
DEBUGF(("packet_inet_ctl(%ld): LISTEN\r\n", (long)desc->port));
if (!IS_SCTP(desc))
@@ -9662,15 +9867,14 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
if (!IS_BOUND(desc))
return ctl_xerror(EXBADSEQ, rbuf, rsize);
- /* The arg is a binary value: 1:enable, 0:disable */
- if (len != 1)
+ if (len != 2)
return ctl_error(EINVAL, rbuf, rsize);
- flag = get_int8(buf);
+ backlog = get_int16(buf);
- if (IS_SOCKET_ERROR(sock_listen(desc->s, flag)))
+ if (IS_SOCKET_ERROR(sock_listen(desc->s, backlog)))
return ctl_error(sock_errno(), rbuf, rsize);
- desc->state = SCTP_STATE_LISTEN; /* XXX: not used? */
+ desc->state = INET_STATE_LISTENING; /* XXX: not used? */
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
@@ -9716,6 +9920,46 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
+
+ case SCTP_REQ_PEELOFF:
+ {
+ Uint32 assoc_id;
+ udp_descriptor* new_udesc;
+ int err;
+ SOCKET new_socket;
+
+ DEBUGF(("packet_inet_ctl(%ld): PEELOFF\r\n", (long)desc->port));
+ if (!IS_SCTP(desc))
+ return ctl_xerror(EXBADPORT, rbuf, rsize);
+ if (!IS_OPEN(desc))
+ return ctl_xerror(EXBADPORT, rbuf, rsize);
+ if (!IS_BOUND(desc))
+ return ctl_xerror(EXBADSEQ, rbuf, rsize);
+ if (! p_sctp_peeloff)
+ return ctl_error(ENOTSUP, rbuf, rsize);
+
+ if (len != 4)
+ return ctl_error(EINVAL, rbuf, rsize);
+ assoc_id = get_int32(buf);
+
+ new_socket = p_sctp_peeloff(desc->s, assoc_id);
+ if (IS_SOCKET_ERROR(new_socket)) {
+ return ctl_error(sock_errno(), rbuf, rsize);
+ }
+
+ desc->caller = driver_caller(desc->port);
+ if ((new_udesc = sctp_inet_copy(udesc, new_socket, &err)) == NULL) {
+ sock_close(new_socket);
+ desc->caller = 0;
+ return ctl_error(err, rbuf, rsize);
+ }
+ new_udesc->inet.state = INET_STATE_CONNECTED;
+ new_udesc->inet.stype = SOCK_STREAM;
+
+ inet_reply_ok_port(desc, new_udesc->inet.dport);
+ (*rbuf)[0] = INET_REP;
+ return 1;
+ }
#endif /* HAVE_SCTP */
case PACKET_REQ_RECV:
@@ -9914,12 +10158,8 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
{
inet_descriptor* desc = INETP(udesc);
int n;
- unsigned int len;
inet_address other;
char abuf[sizeof(inet_address)]; /* buffer address; enough??? */
- int sz;
- char* ptr;
- ErlDrvBinary* buf; /* binary */
int packet_count = udesc->read_packets;
int count = 0; /* number of packets delivered to owner */
#ifdef HAVE_SCTP
@@ -9930,23 +10170,39 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
#endif
while(packet_count--) {
- len = sizeof(other);
- sz = desc->bufsz;
- /* Allocate space for message and address. NB: "bufsz" is in "desc",
- but the "buf" itself is allocated separately:
- */
- if ((buf = alloc_buffer(sz+len)) == NULL)
- return packet_error(udesc, ENOMEM);
- ptr = buf->orig_bytes + len; /* pointer to message part */
+ unsigned int len = sizeof(other);
+
+ /* udesc->i_buf is only kept between SCTP fragments */
+ if (udesc->i_buf == NULL) {
+ udesc->i_bufsz = desc->bufsz + len;
+ if ((udesc->i_buf = alloc_buffer(udesc->i_bufsz)) == NULL)
+ return packet_error(udesc, ENOMEM);
+ /* pointer to message start */
+ udesc->i_ptr = udesc->i_buf->orig_bytes + len;
+ } else {
+ ErlDrvBinary* tmp;
+ int bufsz;
+ bufsz = desc->bufsz + (udesc->i_ptr - udesc->i_buf->orig_bytes);
+ if ((tmp = realloc_buffer(udesc->i_buf, bufsz)) == NULL) {
+ release_buffer(udesc->i_buf);
+ udesc->i_buf = NULL;
+ return packet_error(udesc, ENOMEM);
+ } else {
+ udesc->i_ptr =
+ tmp->orig_bytes + (udesc->i_ptr - udesc->i_buf->orig_bytes);
+ udesc->i_buf = tmp;
+ udesc->i_bufsz = bufsz;
+ }
+ }
/* Note: On Windows NT, recvfrom() fails if the socket is connected. */
#ifdef HAVE_SCTP
/* For SCTP we must use recvmsg() */
if (IS_SCTP(desc)) {
- iov->iov_base = ptr; /* Data will come here */
- iov->iov_len = sz; /* Remaining buffer space */
+ iov->iov_base = udesc->i_ptr; /* Data will come here */
+ iov->iov_len = desc->bufsz; /* Remaining buffer space */
- mhdr.msg_name = &other; /* Peer addr comes into "other" */
+ mhdr.msg_name = &other; /* Peer addr comes into "other" */
mhdr.msg_namelen = len;
mhdr.msg_iov = iov;
mhdr.msg_iovlen = 1;
@@ -9956,42 +10212,28 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
/* Do the actual SCTP receive: */
n = sock_recvmsg(desc->s, &mhdr, 0);
+ len = mhdr.msg_namelen;
goto check_result;
}
#endif
/* Use recv() instead on connected sockets. */
if ((desc->state & INET_F_ACTIVE)) {
- n = sock_recv(desc->s, ptr, sz, 0);
+ n = sock_recv(desc->s, udesc->i_ptr, desc->bufsz, 0);
other = desc->remote;
+ goto check_result;
}
- else
- n = sock_recvfrom(desc->s, ptr, sz, 0, &other.sa, &len);
-
-#ifdef HAVE_SCTP
+ n = sock_recvfrom(desc->s, udesc->i_ptr, desc->bufsz,
+ 0, &other.sa, &len);
check_result:
-#endif
/* Analyse the result: */
- if (IS_SOCKET_ERROR(n)
-#ifdef HAVE_SCTP
- || (short_recv = (IS_SCTP(desc) && !(mhdr.msg_flags & MSG_EOR)))
- /* NB: here we check for EOR not being set -- this is an error as
- well, we don't support partial msgs:
- */
-#endif
- ) {
+ if (IS_SOCKET_ERROR(n)) {
int err = sock_errno();
- release_buffer(buf);
if (err != ERRNO_BLOCK) {
+ /* real error */
+ release_buffer(udesc->i_buf);
+ udesc->i_buf = NULL;
if (!desc->active) {
-#ifdef HAVE_SCTP
- if (short_recv) {
- async_error_am(desc, am_short_recv);
- } else {
- async_error(desc, err);
- }
-#else
async_error(desc, err);
-#endif
driver_cancel_timer(desc->port);
sock_select(desc,FD_READ,0);
}
@@ -9999,46 +10241,69 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
/* This is for an active desc only: */
packet_error_message(udesc, err);
}
+ return count;
}
- else if (!desc->active)
+ /* would block error - try again */
+ if (!desc->active
+#ifdef HAVE_SCTP
+ || short_recv
+#endif
+ ) {
sock_select(desc,FD_READ,1);
+ }
return count; /* strange, not ready */
}
- else {
- int offs;
- int nsz;
+
+#ifdef HAVE_SCTP
+ if (IS_SCTP(desc) && (short_recv = !(mhdr.msg_flags & MSG_EOR))) {
+ /* SCTP non-final message fragment */
+ inet_input_count(desc, n);
+ udesc->i_ptr += n;
+ continue; /* wait for more fragments */
+ }
+#endif
+
+ {
+ /* message received */
int code;
- unsigned int alen = len;
void * extra = NULL;
+ char * ptr;
inet_input_count(desc, n);
- inet_get_address(desc->sfamily, abuf, &other, &alen);
- /* Copy formatted address to the buffer allocated; "alen" is the
- actual length which must be <= than the original reserved "len".
+ udesc->i_ptr += n;
+ inet_get_address(desc->sfamily, abuf, &other, &len);
+ /* Copy formatted address to the buffer allocated; "len" is the
+ actual length which must be <= than the original reserved.
This means that the addr + data in the buffer are contiguous,
- but they may start not at the "orig_bytes", but with some "offs"
- from them:
+ but they may start not at the "orig_bytes", instead at "ptr":
*/
- ASSERT (alen <= len);
- sys_memcpy(ptr - alen, abuf, alen);
- ptr -= alen;
- nsz = n + alen; /* nsz = data + address */
- offs = ptr - buf->orig_bytes; /* initial pointer offset */
+ ASSERT (len <= sizeof(other));
+ ptr = udesc->i_buf->orig_bytes + sizeof(other) - len;
+ sys_memcpy(ptr, abuf, len);
/* Check if we need to reallocate binary */
if ((desc->mode == INET_MODE_BINARY) &&
- (desc->hsz < n) && (nsz < BIN_REALLOC_LIMIT(sz))) {
+ (desc->hsz < (udesc->i_ptr - ptr)) &&
+ ((udesc->i_ptr - ptr) + BIN_REALLOC_MARGIN(desc->bufsz) >=
+ udesc->i_bufsz)) {
ErlDrvBinary* tmp;
- if ((tmp = realloc_buffer(buf,nsz+offs)) != NULL)
- buf = tmp;
+ int bufsz;
+ bufsz = udesc->i_ptr - udesc->i_buf->orig_bytes;
+ if ((tmp = realloc_buffer(udesc->i_buf, bufsz)) != NULL) {
+ udesc->i_buf = tmp;
+ udesc->i_bufsz = bufsz;
+ }
}
#ifdef HAVE_SCTP
if (IS_SCTP(desc)) extra = &mhdr;
#endif
/* Actual parsing and return of the data received, occur here: */
- code = packet_reply_binary_data(desc, (unsigned int)alen,
- buf, offs, nsz, extra);
- free_buffer(buf);
+ code = packet_reply_binary_data(desc, len, udesc->i_buf,
+ ptr - udesc->i_buf->orig_bytes,
+ udesc->i_ptr - ptr,
+ extra);
+ free_buffer(udesc->i_buf);
+ udesc->i_buf = NULL;
if (code < 0)
return count;
count++;
@@ -10048,7 +10313,17 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
return count; /* passive mode (read one packet only) */
}
}
+ } /* while(packet_count--) { */
+
+ /* we ran out of tries (packet_count) either on an active socket
+ * that got that many messages or an SCTP socket that got that
+ * many message fragments but still not the final
+ */
+#ifdef HAVE_SCTP
+ if (short_recv) {
+ sock_select(desc, FD_READ, 1);
}
+#endif
return count;
}
@@ -10058,7 +10333,7 @@ static void packet_inet_drv_output(ErlDrvData e, ErlDrvEvent event)
}
/* UDP/SCTP socket ready for output:
-** This is a Back-End for Non-Block SCTP Connect (SCTP_STATE_CONNECTING)
+** This is a Back-End for Non-Block SCTP Connect (INET_STATE_CONNECTING)
*/
static int packet_inet_output(udp_descriptor* udesc, HANDLE event)
{
@@ -10069,7 +10344,7 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event)
DEBUGF(("packet_inet_output(%ld) {s=%d\r\n",
(long)desc->port, desc->s));
- if (desc->state == SCTP_STATE_CONNECTING) {
+ if (desc->state == INET_STATE_CONNECTING) {
sock_select(desc, FD_CONNECT, 0);
driver_cancel_timer(ix); /* posssibly cancel a timer */
@@ -10089,7 +10364,7 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event)
(struct sockaddr*) &desc->remote, &sz);
if (IS_SOCKET_ERROR(code)) {
- desc->state = PACKET_STATE_BOUND; /* restore state */
+ desc->state = INET_STATE_BOUND; /* restore state */
ret = async_error(desc, sock_errno());
goto done;
}
@@ -10102,7 +10377,7 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event)
(void *)&error, &sz);
if ((code < 0) || error) {
- desc->state = PACKET_STATE_BOUND; /* restore state */
+ desc->state = INET_STATE_BOUND; /* restore state */
ret = async_error(desc, error);
goto done;
}
@@ -10110,7 +10385,7 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event)
#endif /* SO_ERROR */
#endif /* !__WIN32__ */
- desc->state = PACKET_STATE_CONNECTED;
+ desc->state = INET_STATE_CONNECTED;
async_ok(desc);
}
else {