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Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r--erts/emulator/drivers/common/inet_drv.c514
1 files changed, 377 insertions, 137 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 1fe9e04341..d1c2dbf94c 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -80,6 +80,13 @@
#endif
#ifdef __WIN32__
+#define LLU "%I64u"
+#else
+#define LLU "%llu"
+#endif
+typedef unsigned long long llu_t;
+
+#ifdef __WIN32__
#define STRNCASECMP strncasecmp
#define INCL_WINSOCK_API_TYPEDEFS 1
@@ -110,6 +117,77 @@
#undef EWOULDBLOCK
#undef ETIMEDOUT
+#ifdef EINPROGRESS
+#undef EINPROGRESS
+#endif
+#ifdef EALREADY
+#undef EALREADY
+#endif
+#ifdef ENOTSOCK
+#undef ENOTSOCK
+#endif
+#ifdef EDESTADDRREQ
+#undef EDESTADDRREQ
+#endif
+#ifdef EMSGSIZE
+#undef EMSGSIZE
+#endif
+#ifdef EPROTOTYPE
+#undef EPROTOTYPE
+#endif
+#ifdef ENOPROTOOPT
+#undef ENOPROTOOPT
+#endif
+#ifdef EPROTONOSUPPORT
+#undef EPROTONOSUPPORT
+#endif
+#ifdef EOPNOTSUPP
+#undef EOPNOTSUPP
+#endif
+#ifdef EAFNOSUPPORT
+#undef EAFNOSUPPORT
+#endif
+#ifdef EADDRINUSE
+#undef EADDRINUSE
+#endif
+#ifdef EADDRNOTAVAIL
+#undef EADDRNOTAVAIL
+#endif
+#ifdef ENETDOWN
+#undef ENETDOWN
+#endif
+#ifdef ENETUNREACH
+#undef ENETUNREACH
+#endif
+#ifdef ENETRESET
+#undef ENETRESET
+#endif
+#ifdef ECONNABORTED
+#undef ECONNABORTED
+#endif
+#ifdef ECONNRESET
+#undef ECONNRESET
+#endif
+#ifdef ENOBUFS
+#undef ENOBUFS
+#endif
+#ifdef EISCONN
+#undef EISCONN
+#endif
+#ifdef ENOTCONN
+#undef ENOTCONN
+#endif
+#ifdef ECONNREFUSED
+#undef ECONNREFUSED
+#endif
+#ifdef ELOOP
+#undef ELOOP
+#endif
+#ifdef EHOSTUNREACH
+#undef EHOSTUNREACH
+#endif
+
+
#define HAVE_MULTICAST_SUPPORT
#define ERRNO_BLOCK WSAEWOULDBLOCK
@@ -445,6 +523,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
driver_select(port, e, mode | (on?ERL_DRV_USE:0), on)
#define sock_select(d, flags, onoff) do { \
+ ASSERT(!(d)->is_ignored); \
(d)->event_mask = (onoff) ? \
((d)->event_mask | (flags)) : \
((d)->event_mask & ~(flags)); \
@@ -467,6 +546,19 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
(((unsigned char*) (s))[1] << 8) | \
(((unsigned char*) (s))[0]))
+
+#ifdef VALGRIND
+# include <valgrind/memcheck.h>
+#else
+# define VALGRIND_MAKE_MEM_DEFINED(ptr,size)
+#endif
+
+/*
+ Magic errno value used locally for return of {error, system_limit}
+ - the emulator definition of SYSTEM_LIMIT is not available here.
+*/
+#define INET_ERRNO_SYSTEM_LIMIT (15 << 8)
+
/*----------------------------------------------------------------------------
** Interface constants.
**
@@ -538,6 +630,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_REQ_GETIFADDRS 25
#define INET_REQ_ACCEPT 26
#define INET_REQ_LISTEN 27
+#define INET_REQ_IGNOREFD 28
+
/* TCP requests */
/* #define TCP_REQ_ACCEPT 40 MOVED */
/* #define TCP_REQ_LISTEN 41 MERGED */
@@ -725,6 +819,11 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
/* Max interface name */
#define INET_IFNAMSIZ 16
+/* INET Ignore states */
+#define INET_IGNORE_NONE 0
+#define INET_IGNORE_READ 1
+#define INET_IGNORE_WRITE 1 << 1
+
/* Max length of Erlang Term Buffer (for outputting structured terms): */
#ifdef HAVE_SCTP
#define PACKET_ERL_DRV_TERM_DATA_LEN 512
@@ -864,6 +963,9 @@ typedef struct {
double send_avg; /* average packet size sent */
subs_list empty_out_q_subs; /* Empty out queue subscribers */
+ int is_ignored; /* if a fd is ignored by the inet_drv.
+ This flag should be set to true when
+ the fd is used outside of inet_drv. */
} inet_descriptor;
@@ -876,13 +978,14 @@ typedef struct {
static int tcp_inet_init(void);
static void tcp_inet_stop(ErlDrvData);
-static void tcp_inet_command(ErlDrvData, char*, int);
+static void tcp_inet_command(ErlDrvData, char*, ErlDrvSizeT);
static void tcp_inet_commandv(ErlDrvData, ErlIOVec*);
static void tcp_inet_flush(ErlDrvData drv_data);
static void tcp_inet_drv_input(ErlDrvData, ErlDrvEvent);
static void tcp_inet_drv_output(ErlDrvData data, ErlDrvEvent event);
static ErlDrvData tcp_inet_start(ErlDrvPort, char* command);
-static int tcp_inet_ctl(ErlDrvData, unsigned int, char*, int, char**, int);
+static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData, unsigned int,
+ char*, ErlDrvSizeT, char**, ErlDrvSizeT);
static void tcp_inet_timeout(ErlDrvData);
static void tcp_inet_process_exit(ErlDrvData, ErlDrvMonitor *);
static void inet_stop_select(ErlDrvEvent, void*);
@@ -927,15 +1030,15 @@ static struct erl_drv_entry tcp_inet_driver_entry =
static int packet_inet_init(void);
static void packet_inet_stop(ErlDrvData);
-static void packet_inet_command(ErlDrvData, char*, int);
+static void packet_inet_command(ErlDrvData, char*, ErlDrvSizeT);
static void packet_inet_drv_input(ErlDrvData data, ErlDrvEvent event);
static void packet_inet_drv_output(ErlDrvData data, ErlDrvEvent event);
static ErlDrvData udp_inet_start(ErlDrvPort, char* command);
#ifdef HAVE_SCTP
static ErlDrvData sctp_inet_start(ErlDrvPort, char* command);
#endif
-static int packet_inet_ctl(ErlDrvData, unsigned int, char*,
- int, char**, int);
+static ErlDrvSSizeT packet_inet_ctl(ErlDrvData, unsigned int, char*,
+ ErlDrvSizeT, char**, ErlDrvSizeT);
static void packet_inet_timeout(ErlDrvData);
#ifdef __WIN32__
static void packet_inet_event(ErlDrvData, ErlDrvEvent);
@@ -1029,7 +1132,7 @@ typedef struct {
} tcp_descriptor;
/* send function */
-static int tcp_send(tcp_descriptor* desc, char* ptr, int len);
+static int tcp_send(tcp_descriptor* desc, char* ptr, ErlDrvSizeT len);
static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev);
static int tcp_recv(tcp_descriptor* desc, int request_len);
static int tcp_deliver(tcp_descriptor* desc, int len);
@@ -1096,7 +1199,7 @@ static ErlDrvTermData am_tos;
static int inet_init(void);
-static int ctl_reply(int, char*, int, char**, int);
+static ErlDrvSSizeT ctl_reply(int, char*, ErlDrvSizeT, char**, ErlDrvSizeT);
struct erl_drv_entry inet_driver_entry =
{
@@ -1106,7 +1209,23 @@ struct erl_drv_entry inet_driver_entry =
NULL, /* output */
NULL, /* ready_input */
NULL, /* ready_output */
- "inet"
+ "inet",
+ NULL,
+ NULL, /* handle */
+ NULL, /* control */
+ NULL, /* timeout */
+ NULL, /* outputv */
+ NULL, /* ready_async */
+ NULL, /* flush */
+ NULL, /* call */
+ NULL, /* event */
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ 0,
+ NULL,
+ NULL,
+ NULL,
};
/* XXX: is this a driver interface function ??? */
@@ -1120,7 +1239,7 @@ void erl_exit(int n, char*, ...);
#ifdef FATAL_MALLOC
-static void *alloc_wrapper(size_t size){
+static void *alloc_wrapper(ErlDrvSizeT size){
void *ret = driver_alloc(size);
if(ret == NULL)
erl_exit(1,"Out of virtual memory in malloc (%s)", __FILE__);
@@ -1128,7 +1247,7 @@ static void *alloc_wrapper(size_t size){
}
#define ALLOC(X) alloc_wrapper(X)
-static void *realloc_wrapper(void *current, size_t size){
+static void *realloc_wrapper(void *current, ErlDrvSizeT size){
void *ret = driver_realloc(current,size);
if(ret == NULL)
erl_exit(1,"Out of virtual memory in realloc (%s)", __FILE__);
@@ -1357,11 +1476,11 @@ static InetDrvBufStk *get_bufstk(void)
return bs;
}
-static ErlDrvBinary* alloc_buffer(long minsz)
+static ErlDrvBinary* alloc_buffer(ErlDrvSizeT minsz)
{
InetDrvBufStk *bs = get_bufstk();
- DEBUGF(("alloc_buffer: %ld\r\n", minsz));
+ DEBUGF(("alloc_buffer: "LLU"\r\n", (llu_t)minsz));
if (bs && bs->buf.pos > 0) {
long size;
@@ -1437,7 +1556,7 @@ static void release_buffer(ErlDrvBinary* buf)
}
}
-static ErlDrvBinary* realloc_buffer(ErlDrvBinary* buf, long newsz)
+static ErlDrvBinary* realloc_buffer(ErlDrvBinary* buf, ErlDrvSizeT newsz)
{
return driver_realloc_binary(buf, newsz);
}
@@ -1466,8 +1585,9 @@ static ErlDrvData dummy_start(ErlDrvPort port, char* command)
return (ErlDrvData)port;
}
-static int dummy_ctl(ErlDrvData data, unsigned int cmd, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT dummy_ctl(ErlDrvData data, unsigned int cmd,
+ char* buf, ErlDrvSizeT len, char** rbuf,
+ ErlDrvSizeT rsize)
{
static char error[] = "no_winsock2";
@@ -1475,7 +1595,7 @@ static int dummy_ctl(ErlDrvData data, unsigned int cmd, char* buf, int len,
return ctl_reply(INET_REP_ERROR, error, sizeof(error), rbuf, rsize);
}
-static void dummy_command(ErlDrvData data, char* buf, int len)
+static void dummy_command(ErlDrvData data, char* buf, ErlDrvSizeT len)
{
}
@@ -1531,8 +1651,20 @@ static struct erl_drv_entry dummy_sctp_driver_entry =
#endif
+/* return lowercase string form of errno value */
+static char *errno_str(int err)
+{
+ switch (err) {
+ case INET_ERRNO_SYSTEM_LIMIT:
+ return "system_limit";
+ default:
+ return erl_errno_id(err);
+ }
+}
+
/* general control reply function */
-static int ctl_reply(int rep, char* buf, int len, char** rbuf, int rsize)
+static ErlDrvSSizeT ctl_reply(int rep, char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
char* ptr;
@@ -1548,18 +1680,14 @@ static int ctl_reply(int rep, char* buf, int len, char** rbuf, int rsize)
}
/* general control error reply function */
-static int ctl_error(int err, char** rbuf, int rsize)
+static ErlDrvSSizeT ctl_error(int err, char** rbuf, ErlDrvSizeT rsize)
{
- char response[256]; /* Response buffer. */
- char* s;
- char* t;
+ char* s = errno_str(err);
- for (s = erl_errno_id(err), t = response; *s; s++, t++)
- *t = tolower(*s);
- return ctl_reply(INET_REP_ERROR, response, t-response, rbuf, rsize);
+ return ctl_reply(INET_REP_ERROR, s, strlen(s), rbuf, rsize);
}
-static int ctl_xerror(char* xerr, char** rbuf, int rsize)
+static ErlDrvSSizeT ctl_xerror(char* xerr, char** rbuf, ErlDrvSizeT rsize)
{
int n = strlen(xerr);
return ctl_reply(INET_REP_ERROR, xerr, n, rbuf, rsize);
@@ -1568,14 +1696,7 @@ static int ctl_xerror(char* xerr, char** rbuf, int rsize)
static ErlDrvTermData error_atom(int err)
{
- char errstr[256];
- char* s;
- char* t;
-
- for (s = erl_errno_id(err), t = errstr; *s; s++, t++)
- *t = tolower(*s);
- *t = '\0';
- return driver_mk_atom(errstr);
+ return driver_mk_atom(errno_str(err));
}
@@ -3576,7 +3697,8 @@ static int inet_init()
** and is set to actual length of dst on return
** return NULL on error and ptr after port address on success
*/
-static char* inet_set_address(int family, inet_address* dst, char* src, int* len)
+static char* inet_set_address(int family, inet_address* dst,
+ char* src, ErlDrvSizeT* len)
{
short port;
@@ -3612,7 +3734,7 @@ static char* inet_set_address(int family, inet_address* dst, char* src, int* len
** src = [TAG,P1,P0,X1,X2,...] when TAG = INET_AF_INET | INET_AF_INET6
*/
static char *inet_set_faddress(int family, inet_address* dst,
- char *src, int* len) {
+ char *src, ErlDrvSizeT* len) {
int tag;
if (*len < 1) return NULL;
@@ -3727,7 +3849,13 @@ static void desc_close(inet_descriptor* desc)
desc->forced_events = 0;
desc->send_would_block = 0;
#endif
- driver_select(desc->port, (ErlDrvEvent)(long)desc->event, ERL_DRV_USE, 0);
+ // We should close the fd here, but the other driver might still
+ // be selecting on it.
+ if (!desc->is_ignored)
+ driver_select(desc->port,(ErlDrvEvent)(long)desc->event,
+ ERL_DRV_USE, 0);
+ else
+ inet_stop_select((ErlDrvEvent)(long)desc->event,NULL);
desc->event = INVALID_EVENT; /* closed by stop_select callback */
desc->s = INVALID_SOCKET;
desc->event_mask = 0;
@@ -3770,8 +3898,8 @@ static int erl_inet_close(inet_descriptor* desc)
}
-static int inet_ctl_open(inet_descriptor* desc, int domain, int type,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_open(inet_descriptor* desc, int domain, int type,
+ char** rbuf, ErlDrvSizeT rsize)
{
if (desc->state != INET_STATE_CLOSED)
return ctl_xerror(EXBADSEQ, rbuf, rsize);
@@ -3791,8 +3919,8 @@ static int inet_ctl_open(inet_descriptor* desc, int domain, int type,
/* as inet_open but pass in an open socket (MUST BE OF RIGHT TYPE) */
-static int inet_ctl_fdopen(inet_descriptor* desc, int domain, int type,
- SOCKET s, char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_fdopen(inet_descriptor* desc, int domain, int type,
+ SOCKET s, char** rbuf, ErlDrvSizeT rsize)
{
inet_address name;
unsigned int sz = sizeof(name);
@@ -3967,6 +4095,7 @@ static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr)
addr->sa_family = AF_INET;
return ptr + sizeof(struct in_addr);
}
+#if defined(HAVE_IN6) && defined(AF_INET6)
case INET_AF_INET6: {
struct in6_addr *p = &((struct sockaddr_in6*)addr)->sin6_addr;
buf_check(ptr,end,sizeof(struct in6_addr));
@@ -3974,6 +4103,7 @@ static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr)
addr->sa_family = AF_INET6;
return ptr + sizeof(struct in6_addr);
}
+#endif
}
error:
return NULL;
@@ -3996,14 +4126,15 @@ static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr)
#if defined(__WIN32__) && defined(SIO_GET_INTERFACE_LIST)
-static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_getiflist(inet_descriptor* desc,
+ char** rbuf, ErlDrvSizeT rsize)
{
char ifbuf[BUFSIZ];
char sbuf[BUFSIZ];
char* sptr;
INTERFACE_INFO* ifp;
DWORD len;
- int n;
+ ErlDrvSizeT n;
int err;
ifp = (INTERFACE_INFO*) ifbuf;
@@ -4033,8 +4164,8 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
/* input is an ip-address in string format i.e A.B.C.D
** scan the INTERFACE_LIST to get the options
*/
-static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifget(inet_descriptor* desc, char* buf,
+ ErlDrvSizeT len, char** rbuf, ErlDrvSizeT rsize)
{
char ifbuf[BUFSIZ];
int n;
@@ -4135,8 +4266,9 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
}
/* not supported */
-static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifset(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
@@ -4179,12 +4311,13 @@ static void free_ifconf(struct ifconf *ifcp) {
FREE(ifcp->ifc_buf);
}
-static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_getiflist(inet_descriptor* desc,
+ char** rbuf, ErlDrvSizeT rsize)
{
struct ifconf ifc;
struct ifreq *ifrp;
char *sbuf, *sp;
- int i;
+ ErlDrvSizeT i;
/* Courtesy of Per Bergqvist and W. Richard Stevens */
@@ -4196,7 +4329,7 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
*sp++ = INET_REP_OK;
i = 0;
for (;;) {
- int n;
+ ErlDrvSizeT n;
ifrp = (struct ifreq *) VOIDP(ifc.ifc_buf + i);
n = sizeof(ifrp->ifr_name) + SIZEA(ifrp->ifr_addr);
@@ -4222,13 +4355,39 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
return sp - sbuf;
}
+#ifdef HAVE_LIBDLPI_H
+#include <libdlpi.h>
+static int hwaddr_libdlpi_lookup(const char *ifnm,
+ uchar_t *addr, size_t *alen)
+{
+ dlpi_handle_t handle;
+ dlpi_info_t linkinfo;
+ int ret = -1;
+
+ if (dlpi_open(ifnm, &handle, 0) != DLPI_SUCCESS) {
+ return -1;
+ }
+
+ if (dlpi_get_physaddr(handle, DL_CURR_PHYS_ADDR,
+ addr, alen) == DLPI_SUCCESS &&
+ dlpi_info(handle, &linkinfo, 0) == DLPI_SUCCESS)
+ {
+ ret = 0;
+ }
+
+ dlpi_close(handle);
+ return ret;
+}
+#endif
+
/* FIXME: temporary hack */
#ifndef IFHWADDRLEN
#define IFHWADDRLEN 6
#endif
-static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifget(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
char sbuf[BUFSIZ];
char* sptr;
@@ -4257,7 +4416,24 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
break;
case INET_IFOPT_HWADDR: {
-#ifdef SIOCGIFHWADDR
+#ifdef HAVE_LIBDLPI_H
+ /*
+ ** OpenSolaris have SIGCGIFHWADDR, but no ifr_hwaddr member..
+ ** The proper way to get the mac address would be to
+ ** use libdlpi...
+ */
+ uchar_t addr[DLPI_PHYSADDR_MAX];
+ size_t alen = sizeof(addr);
+
+ if (hwaddr_libdlpi_lookup(ifreq.ifr_name, addr, &alen) == 0) {
+ buf_check(sptr, s_end, 1+2+alen);
+ *sptr++ = INET_IFOPT_HWADDR;
+ put_int16(alen, sptr);
+ sptr += 2;
+ sys_memcpy(sptr, addr, alen);
+ sptr += alen;
+ }
+#elif defined(SIOCGIFHWADDR) && defined(HAVE_STRUCT_IFREQ_IFR_HWADDR)
if (ioctl(desc->s, SIOCGIFHWADDR, (char *)&ifreq) < 0)
break;
buf_check(sptr, s_end, 1+2+IFHWADDRLEN);
@@ -4266,7 +4442,7 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
/* raw memcpy (fix include autoconf later) */
sys_memcpy(sptr, (char*)(&ifreq.ifr_hwaddr.sa_data), IFHWADDRLEN);
sptr += IFHWADDRLEN;
-#elif defined(SIOCGENADDR)
+#elif defined(SIOCGENADDR) && defined(HAVE_STRUCT_IFREQ_IFR_ENADDR)
if (ioctl(desc->s, SIOCGENADDR, (char *)&ifreq) < 0)
break;
buf_check(sptr, s_end, 1+2+sizeof(ifreq.ifr_enaddr));
@@ -4405,8 +4581,9 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
}
-static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifset(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
struct ifreq ifreq;
int namlen;
@@ -4429,19 +4606,19 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
break;
case INET_IFOPT_HWADDR: {
- unsigned int len;
+ unsigned int hwalen;
buf_check(buf, b_end, 2);
- len = get_int16(buf); buf += 2;
- buf_check(buf, b_end, len);
+ hwalen = get_int16(buf); buf += 2;
+ buf_check(buf, b_end, hwalen);
#ifdef SIOCSIFHWADDR
/* raw memcpy (fix include autoconf later) */
sys_memset((char*)(&ifreq.ifr_hwaddr.sa_data),
'\0', sizeof(ifreq.ifr_hwaddr.sa_data));
- sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, len);
+ sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, hwalen);
(void) ioctl(desc->s, SIOCSIFHWADDR, (char *)&ifreq);
#endif
- buf += len;
+ buf += hwalen;
break;
}
@@ -4527,21 +4704,24 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
#else
-static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_getiflist(inet_descriptor* desc,
+ char** rbuf, ErlDrvSizeT rsize)
{
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
-static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifget(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
-static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl_ifset(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
@@ -4598,8 +4778,8 @@ int eq_masked_bytes(char *a, char *b, int pref_len) {
return !0;
}
-static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
- char **rbuf_pp, int rsize)
+static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, ErlDrvSizeT rsize)
{
int i;
DWORD ret, n;
@@ -4609,7 +4789,7 @@ static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
char *buf_p;
char *buf_alloc_p;
- int buf_size =512;
+ ErlDrvSizeT buf_size = 512;
# define BUF_ENSURE(Size) \
do { \
int NEED_, GOT_ = buf_p - buf_alloc_p; \
@@ -4983,12 +5163,12 @@ done:
#elif defined(HAVE_GETIFADDRS)
-static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
- char **rbuf_pp, int rsize)
+static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, ErlDrvSizeT rsize)
{
struct ifaddrs *ifa_p, *ifa_free_p;
- int buf_size;
+ ErlDrvSizeT buf_size;
char *buf_p;
char *buf_alloc_p;
@@ -5091,8 +5271,8 @@ static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
#else
-static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
- char **rbuf_pp, int rsize)
+static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, ErlDrvSizeT rsize)
{
return ctl_error(ENOTSUP, rbuf_pp, rsize);
}
@@ -5893,7 +6073,7 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
case SCTP_OPT_PRIMARY_ADDR:
case SCTP_OPT_SET_PEER_PRIMARY_ADDR:
{
- int alen;
+ ErlDrvSizeT alen;
char *after;
CHKLEN(curr, ASSOC_ID_LEN);
@@ -5935,7 +6115,7 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
}
case SCTP_OPT_PEER_ADDR_PARAMS:
{
- int alen;
+ ErlDrvSizeT alen;
char *after;
# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_FLAGS
int eflags, cflags, hb_enable, hb_disable,
@@ -6022,6 +6202,7 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
type = SCTP_DEFAULT_SEND_PARAM;
arg_ptr = (char*) (&arg.sri);
arg_sz = sizeof ( arg.sri);
+ VALGRIND_MAKE_MEM_DEFINED(arg_ptr, arg_sz); /*suppress "uninitialised bytes"*/
break;
}
case SCTP_OPT_EVENTS:
@@ -6065,7 +6246,7 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
proto = IPPROTO_SCTP;
type = SCTP_DELAYED_ACK_TIME;
arg_ptr = (char*) (&arg.av);
- arg_sz = sizeof ( arg.es);
+ arg_sz = sizeof ( arg.av);
break;
}
# endif
@@ -6111,8 +6292,9 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
** ptr should point to a buffer with 9*len +1 to be safe!!
*/
-static int inet_fill_opts(inet_descriptor* desc,
- char* buf, int len, char** dest, int destlen)
+static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT len,
+ char** dest, ErlDrvSizeT destlen)
{
int type;
int proto;
@@ -6122,8 +6304,8 @@ static int inet_fill_opts(inet_descriptor* desc,
char* arg_ptr;
unsigned int arg_sz;
char *ptr = NULL;
- int dest_used = 0;
- int dest_allocated = destlen;
+ ErlDrvSizeT dest_used = 0;
+ ErlDrvSizeT dest_allocated = destlen;
char *orig_dest = *dest;
/* Ptr is a name parameter */
@@ -6138,7 +6320,7 @@ static int inet_fill_opts(inet_descriptor* desc,
#define PLACE_FOR(Size,Ptr) \
do { \
- int need = dest_used + (Size); \
+ ErlDrvSizeT need = dest_used + (Size); \
if (need > INET_MAX_OPT_BUFFER) { \
RETURN_ERROR(); \
} \
@@ -6159,7 +6341,7 @@ static int inet_fill_opts(inet_descriptor* desc,
/* Ptr is a name parameter */
#define TRUNCATE_TO(Size,Ptr) \
do { \
- int new_need = ((Ptr) - (*dest)) + (Size); \
+ ErlDrvSizeT new_need = ((Ptr) - (*dest)) + (Size); \
if (new_need > dest_used) { \
erl_exit(1,"Internal error in inet_drv, " \
"miscalculated buffer size"); \
@@ -6449,8 +6631,9 @@ static int load_paddrinfo (ErlDrvTermData * spec, int i,
/*
** "sctp_fill_opts": Returns {ok, Results}, or an error:
*/
-static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
- char** dest, int destlen)
+static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc,
+ char* buf, ErlDrvSizeT buflen,
+ char** dest, ErlDrvSizeT destlen)
{
/* In contrast to the generic "inet_fill_opts", the output here is
represented by tuples/records, which are formed in the "spec":
@@ -6840,7 +7023,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
unsigned int sz = sizeof(ap);
int n;
char *after;
- int alen;
+ ErlDrvSizeT alen;
if (buflen < ASSOC_ID_LEN) RETURN_ERROR(spec, -EINVAL);
ap.spp_assoc_id = GET_ASSOC_ID(buf);
@@ -7080,7 +7263,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
struct sctp_paddrinfo pai;
unsigned int sz = sizeof(pai);
char *after;
- int alen;
+ ErlDrvSizeT alen;
if (buflen < ASSOC_ID_LEN) RETURN_ERROR(spec, -EINVAL);
pai.spinfo_assoc_id = GET_ASSOC_ID(buf);
@@ -7137,7 +7320,8 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
/* fill statistics reply, op codes from src and result in dest
** dst area must be a least 5*len + 1 bytes
*/
-static int inet_fill_stat(inet_descriptor* desc, char* src, int len, char* dst)
+static ErlDrvSSizeT inet_fill_stat(inet_descriptor* desc,
+ char* src, ErlDrvSizeT len, char* dst)
{
unsigned long val;
int op;
@@ -7170,7 +7354,7 @@ static int inet_fill_stat(inet_descriptor* desc, char* src, int len, char* dst)
val = (unsigned long) desc->send_avg;
break;
case INET_STAT_SEND_PND:
- val = driver_sizeq(desc->port);
+ val = (unsigned long) driver_sizeq(desc->port);
break;
case INET_STAT_RECV_OCT:
put_int32(desc->recv_oct[1], dst); /* write high 32bit */
@@ -7215,7 +7399,8 @@ send_empty_out_q_msgs(inet_descriptor* desc)
/* subscribe and fill subscription reply, op codes from src and
** result in dest dst area must be a least 5*len + 1 bytes
*/
-static int inet_subscribe(inet_descriptor* desc, char* src, int len, char* dst)
+static ErlDrvSSizeT inet_subscribe(inet_descriptor* desc,
+ char* src, ErlDrvSizeT len, char* dst)
{
unsigned long val;
int op;
@@ -7302,6 +7487,8 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol)
sys_memzero((char *)&desc->remote,sizeof(desc->remote));
+ desc->is_ignored = 0;
+
return (ErlDrvData)desc;
}
@@ -7313,14 +7500,14 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol)
/*
** common TCP/UDP/SCTP control command
*/
-static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf,
+ ErlDrvSizeT len, char** rbuf, ErlDrvSizeT rsize)
{
switch (cmd) {
case INET_REQ_GETSTAT: {
char* dst;
- int i;
+ ErlDrvSizeT i;
int dstlen = 1; /* Reply code */
for (i = 0; i < len; i++) {
@@ -7360,7 +7547,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
}
case INET_REQ_GETOPTS: { /* get options */
- int replen;
+ ErlDrvSSizeT replen;
DEBUGF(("inet_ctl(%ld): GETOPTS\r\n", (long)desc->port));
#ifdef HAVE_SCTP
if (IS_SCTP(desc))
@@ -7584,6 +7771,33 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
}
+ case INET_REQ_IGNOREFD: {
+ DEBUGF(("inet_ctl(%ld): IGNOREFD, IGNORED = %d\r\n",
+ (long)desc->port,(int)*buf));
+
+ /*
+ * FD can only be ignored for connected TCP connections for now,
+ * possible to add UDP and SCTP support if needed.
+ */
+ if (!IS_CONNECTED(desc))
+ return ctl_error(ENOTCONN, rbuf, rsize);
+
+ if (!desc->stype == SOCK_STREAM)
+ return ctl_error(EINVAL, rbuf, rsize);
+
+ if (*buf == 1 && !desc->is_ignored) {
+ sock_select(desc, (FD_READ|FD_WRITE|FD_CLOSE|ERL_DRV_USE_NO_CALLBACK), 0);
+ desc->is_ignored = INET_IGNORE_READ;
+ } else if (*buf == 0 && desc->is_ignored) {
+ int flags = (FD_READ|FD_CLOSE|((desc->is_ignored & INET_IGNORE_WRITE)?FD_WRITE:0));
+ desc->is_ignored = INET_IGNORE_NONE;
+ sock_select(desc, flags, 1);
+ } else
+ return ctl_error(EINVAL, rbuf, rsize);
+
+ return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
+ }
+
#ifndef VXWORKS
case INET_REQ_GETSERVBYNAME: { /* L1 Name-String L2 Proto-String */
@@ -7644,7 +7858,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
}
/* update statistics on output packets */
-static void inet_output_count(inet_descriptor* desc, int len)
+static void inet_output_count(inet_descriptor* desc, ErlDrvSizeT len)
{
unsigned long n = desc->send_cnt + 1;
unsigned long t = desc->send_oct[0] + len;
@@ -7664,7 +7878,7 @@ static void inet_output_count(inet_descriptor* desc, int len)
}
/* update statistics on input packets */
-static void inet_input_count(inet_descriptor* desc, int len)
+static void inet_input_count(inet_descriptor* desc, ErlDrvSizeT len)
{
unsigned long n = desc->recv_cnt + 1;
unsigned long t = desc->recv_oct[0] + len;
@@ -7787,7 +8001,7 @@ static void tcp_clear_input(tcp_descriptor* desc)
static void tcp_clear_output(tcp_descriptor* desc)
{
ErlDrvPort ix = desc->inet.port;
- int qsz = driver_sizeq(ix);
+ ErlDrvSizeT qsz = driver_sizeq(ix);
driver_deq(ix, qsz);
send_empty_out_q_msgs(INETP(desc));
@@ -7845,7 +8059,7 @@ static ErlDrvData tcp_inet_start(ErlDrvPort port, char* args)
/* Copy a descriptor, by creating a new port with same settings
* as the descriptor desc.
- * return NULL on error (ENFILE no ports avail)
+ * return NULL on error (SYSTEM_LIMIT no ports avail)
*/
static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s,
ErlDrvTermData owner, int* err)
@@ -7884,7 +8098,7 @@ static tcp_descriptor* tcp_inet_copy(tcp_descriptor* desc,SOCKET s,
/* The new port will be linked and connected to the original caller */
port = driver_create_port(port, owner, "tcp_inet", (ErlDrvData) copy_desc);
if ((long)port == -1) {
- *err = ENFILE;
+ *err = INET_ERRNO_SYSTEM_LIMIT;
FREE(copy_desc);
return NULL;
}
@@ -7955,10 +8169,12 @@ static void tcp_inet_stop(ErlDrvData e)
/* TCP requests from Erlang */
-static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT tcp_inet_ctl(ErlDrvData e, unsigned int cmd,
+ char* buf, ErlDrvSizeT len,
+ char** rbuf, ErlDrvSizeT rsize)
{
tcp_descriptor* desc = (tcp_descriptor*)e;
+
switch(cmd) {
case INET_REQ_OPEN: { /* open socket and return internal index */
int domain;
@@ -8224,13 +8440,14 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
if (enq_async(INETP(desc), tbuf, TCP_REQ_RECV) < 0)
return ctl_error(EALREADY, rbuf, rsize);
- if (tcp_recv(desc, n) == 0) {
+ if (INETP(desc)->is_ignored || tcp_recv(desc, n) == 0) {
if (timeout == 0)
async_error_am(INETP(desc), am_timeout);
else {
if (timeout != INET_INFINITY)
- driver_set_timer(desc->inet.port, timeout);
- sock_select(INETP(desc),(FD_READ|FD_CLOSE),1);
+ driver_set_timer(desc->inet.port, timeout);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_READ|FD_CLOSE),1);
}
}
return ctl_reply(INET_REP_OK, tbuf, 2, rbuf, rsize);
@@ -8355,7 +8572,7 @@ static void tcp_inet_multi_timeout(ErlDrvData e, ErlDrvTermData caller)
** but distribution still uses the tcp_inet_command!!
*/
-static void tcp_inet_command(ErlDrvData e, char *buf, int len)
+static void tcp_inet_command(ErlDrvData e, char *buf, ErlDrvSizeT len)
{
tcp_descriptor* desc = (tcp_descriptor*)e;
desc->inet.caller = driver_caller(desc->inet.port);
@@ -8574,8 +8791,15 @@ static int tcp_remain(tcp_descriptor* desc, int* len)
else if (tlen == 0) { /* need unknown more */
*len = 0;
if (nsz == 0) {
- if (nfill == n)
- goto error;
+ if (nfill == n) {
+ if (desc->inet.psize != 0 && desc->inet.psize > nfill) {
+ if (tcp_expand_buffer(desc, desc->inet.psize) < 0)
+ return -1;
+ return desc->inet.psize;
+ }
+ else
+ goto error;
+ }
DEBUGF((" => restart more=%d\r\n", nfill - n));
return nfill - n;
}
@@ -8970,6 +9194,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event)
#ifdef DEBUG
long port = (long) desc->inet.port; /* Used after driver_exit() */
#endif
+ ASSERT(!INETP(desc)->is_ignored);
DEBUGF(("tcp_inet_input(%ld) {s=%d\r\n", port, desc->inet.s));
if (desc->inet.state == INET_STATE_ACCEPTING) {
SOCKET s;
@@ -9176,12 +9401,12 @@ static int tcp_send_error(tcp_descriptor* desc, int err)
*/
static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
{
- int sz;
+ ErlDrvSizeT sz;
char buf[4];
- int h_len;
- int n;
+ ErlDrvSizeT h_len;
+ ssize_t n;
ErlDrvPort ix = desc->inet.port;
- int len = ev->size;
+ ErlDrvSizeT len = ev->size;
switch(desc->inet.htype) {
case TCP_PB_1:
@@ -9229,9 +9454,13 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
else {
int vsize = (ev->vsize > MAX_VSIZE) ? MAX_VSIZE : ev->vsize;
- DEBUGF(("tcp_sendv(%ld): s=%d, about to send %d,%d bytes\r\n",
- (long)desc->inet.port, desc->inet.s, h_len, len));
- if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
+ DEBUGF(("tcp_sendv(%ld): s=%d, about to send "LLU","LLU" bytes\r\n",
+ (long)desc->inet.port, desc->inet.s, (llu_t)h_len, (llu_t)len));
+
+ if (INETP(desc)->is_ignored) {
+ INETP(desc)->is_ignored |= INET_IGNORE_WRITE;
+ n = 0;
+ } else if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
n = 0;
} else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s, ev->iov,
vsize, &n, 0))) {
@@ -9252,14 +9481,17 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
return 0;
}
else {
- DEBUGF(("tcp_sendv(%ld): s=%d, only sent %d/%d of %d/%d bytes/items\r\n",
- (long)desc->inet.port, desc->inet.s, n, vsize, ev->size, ev->vsize));
+ DEBUGF(("tcp_sendv(%ld): s=%d, only sent "
+ LLU"/%d of "LLU"/%d bytes/items\r\n",
+ (long)desc->inet.port, desc->inet.s,
+ (llu_t)n, vsize, (llu_t)ev->size, ev->vsize));
}
DEBUGF(("tcp_sendv(%ld): s=%d, Send failed, queuing\r\n",
(long)desc->inet.port, desc->inet.s));
driver_enqv(ix, ev, n);
- sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
}
return 0;
}
@@ -9267,7 +9499,7 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev)
/*
** Send non blocking data
*/
-static int tcp_send(tcp_descriptor* desc, char* ptr, int len)
+static int tcp_send(tcp_descriptor* desc, char* ptr, ErlDrvSizeT len)
{
int sz;
char buf[4];
@@ -9322,9 +9554,12 @@ static int tcp_send(tcp_descriptor* desc, char* ptr, int len)
iov[1].iov_base = ptr;
iov[1].iov_len = len;
- DEBUGF(("tcp_send(%ld): s=%d, about to send %d,%d bytes\r\n",
- (long)desc->inet.port, desc->inet.s, h_len, len));
- if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
+ DEBUGF(("tcp_send(%ld): s=%d, about to send "LLU","LLU" bytes\r\n",
+ (long)desc->inet.port, desc->inet.s, (llu_t)h_len, (llu_t)len));
+ if (INETP(desc)->is_ignored) {
+ INETP(desc)->is_ignored |= INET_IGNORE_WRITE;
+ n = 0;
+ } else if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) {
sock_send(desc->inet.s, buf, 0, 0);
n = 0;
} else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s,iov,2,&n,0))) {
@@ -9355,7 +9590,8 @@ static int tcp_send(tcp_descriptor* desc, char* ptr, int len)
n -= h_len;
driver_enq(ix, ptr+n, len-n);
}
- sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
+ if (!INETP(desc)->is_ignored)
+ sock_select(INETP(desc),(FD_WRITE|FD_CLOSE), 1);
}
return 0;
}
@@ -9379,6 +9615,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
int ret = 0;
ErlDrvPort ix = desc->inet.port;
+ ASSERT(!INETP(desc)->is_ignored);
DEBUGF(("tcp_inet_output(%ld) {s=%d\r\n",
(long)desc->inet.port, desc->inet.s));
if (desc->inet.state == INET_STATE_CONNECTING) {
@@ -9430,7 +9667,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event)
else if (IS_CONNECTED(INETP(desc))) {
for (;;) {
int vsize;
- int n;
+ ssize_t n;
SysIOVec* iov;
if ((iov = driver_peekq(ix, &vsize)) == NULL) {
@@ -9641,10 +9878,10 @@ static int packet_error(udp_descriptor* udesc, int err)
/*
** Various functions accessible via "port_control" on the Erlang side:
*/
-static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
- char** rbuf, int rsize)
+static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf,
+ ErlDrvSizeT len, char** rbuf, ErlDrvSizeT rsize)
{
- int replen;
+ ErlDrvSSizeT replen;
udp_descriptor * udesc = (udp_descriptor *) e;
inet_descriptor* desc = INETP(udesc);
int type = SOCK_DGRAM;
@@ -9754,7 +9991,6 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
DEBUGF(("packet_inet_ctl(%ld): CLOSE\r\n", (long)desc->port));
erl_inet_close(desc);
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
- return 0;
case INET_REQ_CONNECT: {
@@ -9900,7 +10136,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len,
/* List item format: Port(2), IP(4|16) -- compatible with
"inet_set_address": */
inet_address tmp;
- int alen = buf + len - curr;
+ ErlDrvSizeT alen = buf + len - curr;
curr = inet_set_address(desc->sfamily, &tmp, curr, &alen);
if (curr == NULL)
return ctl_error(EINVAL, rbuf, rsize);
@@ -10025,13 +10261,13 @@ static void packet_inet_timeout(ErlDrvData e)
** There is no destination address -- SCTYP send is performed over
** an existing association, using "sctp_sndrcvinfo" specified.
*/
-static void packet_inet_command(ErlDrvData e, char* buf, int len)
+static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
{
udp_descriptor * udesc= (udp_descriptor*) e;
inet_descriptor* desc = INETP(udesc);
char* ptr = buf;
char* qtr;
- int sz;
+ ErlDrvSizeT sz;
int code;
inet_address other;
@@ -10049,7 +10285,7 @@ static void packet_inet_command(ErlDrvData e, char* buf, int len)
#ifdef HAVE_SCTP
if (IS_SCTP(desc))
{
- int data_len;
+ ErlDrvSizeT data_len;
struct iovec iov[1]; /* For real data */
struct msghdr mhdr; /* Message wrapper */
struct sctp_sndrcvinfo *sri; /* The actual ancilary data */
@@ -10085,6 +10321,7 @@ static void packet_inet_command(ErlDrvData e, char* buf, int len)
mhdr.msg_iovlen = 1;
mhdr.msg_control = cmsg.ancd; /* For ancilary 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" */
/* Now do the actual sending. NB: "flags" in "sendmsg" itself are NOT
@@ -10269,6 +10506,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
int code;
void * extra = NULL;
char * ptr;
+ int nsz;
inet_input_count(desc, n);
udesc->i_ptr += n;
@@ -10282,17 +10520,19 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
ptr = udesc->i_buf->orig_bytes + sizeof(other) - len;
sys_memcpy(ptr, abuf, len);
+ nsz = udesc->i_ptr - ptr;
+
/* Check if we need to reallocate binary */
- if ((desc->mode == INET_MODE_BINARY) &&
- (desc->hsz < (udesc->i_ptr - ptr)) &&
- ((udesc->i_ptr - ptr) + BIN_REALLOC_MARGIN(desc->bufsz) >=
- udesc->i_bufsz)) {
+ if ((desc->mode == INET_MODE_BINARY)
+ && (desc->hsz < (nsz - len))
+ && (nsz + BIN_REALLOC_MARGIN(desc->bufsz) < udesc->i_bufsz)) {
ErlDrvBinary* 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;
+ udesc->i_ptr = NULL; /* not used from here */
}
}
#ifdef HAVE_SCTP
@@ -10300,8 +10540,8 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event)
#endif
/* Actual parsing and return of the data received, occur here: */
code = packet_reply_binary_data(desc, len, udesc->i_buf,
- ptr - udesc->i_buf->orig_bytes,
- udesc->i_ptr - ptr,
+ (sizeof(other) - len),
+ nsz,
extra);
free_buffer(udesc->i_buf);
udesc->i_buf = NULL;
@@ -10793,7 +11033,7 @@ int erts_sock_connect(erts_sock_t socket, byte *ip_addr, int len, Uint16 port)
{
SOCKET s = (SOCKET) socket;
char buf[2 + 4];
- int blen = 6;
+ ErlDrvSizeT blen = 6;
inet_address addr;
if (socket == ERTS_SOCK_INVALID_SOCKET || len != 4)