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-rw-r--r--erts/emulator/beam/dist.c8
-rw-r--r--erts/emulator/beam/dist.h3
-rw-r--r--erts/emulator/beam/erl_bif_info.c7
-rw-r--r--erts/emulator/beam/erl_init.c25
-rw-r--r--erts/emulator/drivers/common/inet_drv.c831
-rw-r--r--erts/emulator/test/distribution_SUITE.erl93
6 files changed, 843 insertions, 124 deletions
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 16b6aeac3f..4497e17d79 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -97,6 +97,8 @@ dist_msg_dbg(ErtsDistExternal *edep, char *what, byte *buf, int sz)
#define PASS_THROUGH 'p' /* This code should go */
int erts_is_alive; /* System must be blocked on change */
+int erts_dist_buf_busy_limit;
+
/* distribution trap functions */
Export* dsend2_trap = NULL;
@@ -1453,8 +1455,6 @@ int erts_net_message(Port *prt,
return -1;
}
-#define ERTS_DE_BUSY_LIMIT (128*1024)
-
static int
dsig_send(ErtsDSigData *dsdp, Eterm ctl, Eterm msg, int force_busy)
{
@@ -1540,7 +1540,7 @@ dsig_send(ErtsDSigData *dsdp, Eterm ctl, Eterm msg, int force_busy)
ErtsProcList *plp = NULL;
erts_smp_spin_lock(&dep->qlock);
dep->qsize += size_obuf(obuf);
- if (dep->qsize >= ERTS_DE_BUSY_LIMIT)
+ if (dep->qsize >= erts_dist_buf_busy_limit)
dep->qflgs |= ERTS_DE_QFLG_BUSY;
if (!force_busy && (dep->qflgs & ERTS_DE_QFLG_BUSY)) {
erts_smp_spin_unlock(&dep->qlock);
@@ -1911,7 +1911,7 @@ erts_dist_command(Port *prt, int reds_limit)
ASSERT(dep->qsize >= obufsize);
dep->qsize -= obufsize;
obufsize = 0;
- if (de_busy && !prt_busy && dep->qsize < ERTS_DE_BUSY_LIMIT) {
+ if (de_busy && !prt_busy && dep->qsize < erts_dist_buf_busy_limit) {
ErtsProcList *suspendees;
int resumed;
suspendees = get_suspended_on_de(dep, ERTS_DE_QFLG_BUSY);
diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h
index fa19c7fb45..28cdd05c3c 100644
--- a/erts/emulator/beam/dist.h
+++ b/erts/emulator/beam/dist.h
@@ -99,7 +99,8 @@ typedef struct {
#define ERTS_DE_IS_CONNECTED(DEP) \
(!ERTS_DE_IS_NOT_CONNECTED((DEP)))
-
+#define ERTS_DE_BUSY_LIMIT (128*1024)
+extern int erts_dist_buf_busy_limit;
extern int erts_is_alive;
/*
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 40d8dc097c..801263ec26 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2533,6 +2533,13 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
BIF_RET(erts_nif_taints(BIF_P));
} else if (ERTS_IS_ATOM_STR("reader_groups_map", BIF_ARG_1)) {
BIF_RET(erts_get_reader_groups_map(BIF_P));
+ } else if (ERTS_IS_ATOM_STR("dist_buf_busy_limit", BIF_ARG_1)) {
+ Uint hsz = 0;
+
+ (void) erts_bld_uint(NULL, &hsz, erts_dist_buf_busy_limit);
+ hp = hsz ? HAlloc(BIF_P, hsz) : NULL;
+ res = erts_bld_uint(&hp, NULL, erts_dist_buf_busy_limit);
+ BIF_RET(res);
}
BIF_ERROR(BIF_P, BADARG);
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 4ae656a3ad..36fefc5cba 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -535,7 +535,8 @@ void erts_usage(void)
erts_fprintf(stderr, "-W<i|w> set error logger warnings mapping,\n");
erts_fprintf(stderr, " see error_logger documentation for details\n");
-
+ erts_fprintf(stderr, "-zdbbl size set the distribution buffer busy limit in kilobytes\n");
+ erts_fprintf(stderr, " valid range is [1-%d]\n", INT_MAX/1024);
erts_fprintf(stderr, "\n");
erts_fprintf(stderr, "Note that if the emulator is started with erlexec (typically\n");
erts_fprintf(stderr, "from the erl script), these flags should be specified with +.\n");
@@ -818,7 +819,7 @@ early_init(int *argc, char **argv) /*
erl_sys_args(argc, argv);
erts_ets_realloc_always_moves = 0;
-
+ erts_dist_buf_busy_limit = ERTS_DE_BUSY_LIMIT;
}
#ifndef ERTS_SMP
@@ -1346,6 +1347,26 @@ erl_start(int argc, char **argv)
}
break;
+ case 'z': {
+ char *sub_param = argv[i]+2;
+ int new_limit;
+
+ if (has_prefix("dbbl", sub_param)) {
+ arg = get_arg(sub_param+4, argv[i+1], &i);
+ new_limit = atoi(arg);
+ if (new_limit < 1 || INT_MAX/1024 < new_limit) {
+ erts_fprintf(stderr, "Invalid dbbl limit: %d\n", new_limit);
+ erts_usage();
+ } else {
+ erts_dist_buf_busy_limit = new_limit*1024;
+ }
+ } else {
+ erts_fprintf(stderr, "bad -z option %s\n", argv[i]);
+ erts_usage();
+ }
+ break;
+ }
+
default:
erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]);
erts_usage();
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 3de48194fb..f07e4793d2 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -54,6 +54,9 @@
#ifdef HAVE_IFADDRS_H
#include <ifaddrs.h>
#endif
+#ifdef HAVE_NETPACKET_PACKET_H
+#include <netpacket/packet.h>
+#endif
/* All platforms fail on malloc errors. */
#define FATAL_MALLOC
@@ -85,6 +88,7 @@
#include <winsock2.h>
#endif
#include <windows.h>
+#include <iphlpapi.h>
#include <Ws2tcpip.h> /* NEED VC 6.0 !!! */
@@ -467,6 +471,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
#define INET_REQ_IFGET 22
#define INET_REQ_IFSET 23
#define INET_REQ_SUBSCRIBE 24
+#define INET_REQ_GETIFADDRS 25
/* TCP requests */
#define TCP_REQ_ACCEPT 40
#define TCP_REQ_LISTEN 41
@@ -3824,39 +3829,81 @@ do { if ((end)-(ptr) < (n)) goto error; } while(0)
static char* sockaddr_to_buf(struct sockaddr* addr, char* ptr, char* end)
{
if (addr->sa_family == AF_INET || addr->sa_family == 0) {
- struct in_addr a;
- buf_check(ptr,end,sizeof(struct in_addr));
- a = ((struct sockaddr_in*) addr)->sin_addr;
- sys_memcpy(ptr, (char*)&a, sizeof(struct in_addr));
- return ptr + sizeof(struct in_addr);
+ struct in_addr *p = &(((struct sockaddr_in*) addr)->sin_addr);
+ buf_check(ptr, end, 1 + sizeof(struct in_addr));
+ *ptr = INET_AF_INET;
+ sys_memcpy(ptr+1, (char*)p, sizeof(struct in_addr));
+ return ptr + 1 + sizeof(struct in_addr);
}
#if defined(HAVE_IN6) && defined(AF_INET6)
else if (addr->sa_family == AF_INET6) {
- struct in6_addr a;
- buf_check(ptr,end,sizeof(struct in6_addr));
- a = ((struct sockaddr_in6*) addr)->sin6_addr;
- sys_memcpy(ptr, (char*)&a, sizeof(struct in6_addr));
- return ptr + sizeof(struct in6_addr);
+ struct in6_addr *p = &(((struct sockaddr_in6*) addr)->sin6_addr);
+ buf_check(ptr, end, 1 + sizeof(struct in6_addr));
+ *ptr = INET_AF_INET6;
+ sys_memcpy(ptr+1, (char*)p, sizeof(struct in6_addr));
+ return ptr + 1 + sizeof(struct in6_addr);
+ }
+#endif
+#if defined(AF_LINK)
+ else if (addr->sa_family == AF_LINK) {
+ struct sockaddr_dl *sdl_p = (struct sockaddr_dl*) addr;
+ buf_check(ptr, end, 2 + sdl_p->sdl_alen);
+ put_int16(sdl_p->sdl_alen, ptr); ptr += 2;
+ sys_memcpy(ptr, sdl_p->sdl_data + sdl_p->sdl_nlen, sdl_p->sdl_alen);
+ return ptr + sdl_p->sdl_alen;
+ }
+#endif
+#if defined(AF_PACKET) && defined(HAVE_NETPACKET_PACKET_H)
+ else if(addr->sa_family == AF_PACKET) {
+ struct sockaddr_ll *sll_p = (struct sockaddr_ll*) addr;
+ buf_check(ptr, end, 2 + sll_p->sll_halen);
+ put_int16(sll_p->sll_halen, ptr); ptr += 2;
+ sys_memcpy(ptr, sll_p->sll_addr, sll_p->sll_halen);
+ return ptr + sll_p->sll_halen;
}
#endif
+ return ptr;
error:
return NULL;
-
}
static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr)
{
- buf_check(ptr,end,sizeof(struct in_addr));
- sys_memcpy((char*) &((struct sockaddr_in*)addr)->sin_addr, ptr,
- sizeof(struct in_addr));
- addr->sa_family = AF_INET;
- return ptr + sizeof(struct in_addr);
-
+ buf_check(ptr,end,1);
+ switch (*ptr++) {
+ case INET_AF_INET: {
+ struct in_addr *p = &((struct sockaddr_in*)addr)->sin_addr;
+ buf_check(ptr,end,sizeof(struct in_addr));
+ sys_memcpy((char*) p, ptr, sizeof(struct in_addr));
+ addr->sa_family = AF_INET;
+ return ptr + sizeof(struct in_addr);
+ }
+ case INET_AF_INET6: {
+ struct in6_addr *p = &((struct sockaddr_in6*)addr)->sin6_addr;
+ buf_check(ptr,end,sizeof(struct in6_addr));
+ sys_memcpy((char*) p, ptr, sizeof(struct in6_addr));
+ addr->sa_family = AF_INET6;
+ return ptr + sizeof(struct in6_addr);
+ }
+ }
error:
return NULL;
}
+#if defined (IFF_POINTOPOINT)
+#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTOPOINT)
+#elif defined IFF_POINTTOPOINT
+#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTTOPOINT)
+#endif
+
+#define IFGET_FLAGS_P2P(cflags, iff_ptp) \
+ ((((cflags) & IFF_UP) ? INET_IFF_UP : 0) | \
+ (((cflags) & IFF_BROADCAST) ? INET_IFF_BROADCAST : 0) | \
+ (((cflags) & IFF_LOOPBACK) ? INET_IFF_LOOPBACK : 0) | \
+ (((cflags) & iff_ptp) ? INET_IFF_POINTTOPOINT : 0) | \
+ (((cflags) & IFF_UP) ? INET_IFF_RUNNING : 0) | /* emulate running ? */ \
+ (((cflags) & IFF_MULTICAST) ? INET_IFF_MULTICAST : 0))
#if defined(__WIN32__) && defined(SIO_GET_INTERFACE_LIST)
@@ -3894,7 +3941,6 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
return ctl_reply(INET_REP_OK, sbuf, sptr - sbuf, rbuf, rsize);
}
-
/* input is an ip-address in string format i.e A.B.C.D
** scan the INTERFACE_LIST to get the options
*/
@@ -3980,27 +4026,12 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
break;
case INET_IFOPT_FLAGS: {
- long eflags = 0;
int flags = ifp->iiFlags;
/* just enumerate the interfaces (no names) */
- /* translate flags */
- if (flags & IFF_UP)
- eflags |= INET_IFF_UP;
- if (flags & IFF_BROADCAST)
- eflags |= INET_IFF_BROADCAST;
- if (flags & IFF_LOOPBACK)
- eflags |= INET_IFF_LOOPBACK;
- if (flags & IFF_POINTTOPOINT)
- eflags |= INET_IFF_POINTTOPOINT;
- if (flags & IFF_UP) /* emulate runnign ? */
- eflags |= INET_IFF_RUNNING;
- if (flags & IFF_MULTICAST)
- eflags |= INET_IFF_MULTICAST;
-
buf_check(sptr, s_end, 5);
*sptr++ = INET_IFOPT_FLAGS;
- put_int32(eflags, sptr);
+ put_int32(IFGET_FLAGS(flags), sptr);
sptr += 4;
break;
}
@@ -4021,7 +4052,6 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize);
}
-
#elif defined(SIOCGIFCONF) && defined(SIOCSIFFLAGS)
/* cygwin has SIOCGIFCONF but not SIOCSIFFLAGS (Nov 2002) */
@@ -4032,69 +4062,77 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
#define SIZEA(p) (sizeof (p))
#endif
-
-static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
-{
- struct ifconf ifc;
- struct ifreq *ifr;
- char *buf;
- int buflen, ifc_len, i;
- char *sbuf, *sp;
-
- /* Courtesy of Per Bergqvist and W. Richard Stevens */
-
- ifc_len = 0;
- buflen = 100 * sizeof(struct ifreq);
- buf = ALLOC(buflen);
+static int get_ifconf(SOCKET s, struct ifconf *ifcp) {
+ int ifc_len = 0;
+ int buflen = 100 * sizeof(struct ifreq);
+ char *buf = ALLOC(buflen);
for (;;) {
- ifc.ifc_len = buflen;
- ifc.ifc_buf = buf;
- if (ioctl(desc->s, SIOCGIFCONF, (char *)&ifc) < 0) {
+ ifcp->ifc_len = buflen;
+ ifcp->ifc_buf = buf;
+ if (ioctl(s, SIOCGIFCONF, (char *)ifcp) < 0) {
int res = sock_errno();
if (res != EINVAL || ifc_len) {
FREE(buf);
- return ctl_error(res, rbuf, rsize);
+ return -1;
}
} else {
- if (ifc.ifc_len == ifc_len) break; /* buf large enough */
- ifc_len = ifc.ifc_len;
+ if (ifcp->ifc_len == ifc_len) break; /* buf large enough */
+ ifc_len = ifcp->ifc_len;
}
buflen += 10 * sizeof(struct ifreq);
buf = (char *)REALLOC(buf, buflen);
}
-
- sp = sbuf = ALLOC(ifc_len+1);
+ return 0;
+}
+
+static void free_ifconf(struct ifconf *ifcp) {
+ FREE(ifcp->ifc_buf);
+}
+
+static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize)
+{
+ struct ifconf ifc;
+ struct ifreq *ifrp;
+ char *sbuf, *sp;
+ int i;
+
+ /* Courtesy of Per Bergqvist and W. Richard Stevens */
+
+ if (get_ifconf(desc->s, &ifc) < 0) {
+ return ctl_error(sock_errno(), rbuf, rsize);
+ }
+
+ sp = sbuf = ALLOC(ifc.ifc_len+1);
*sp++ = INET_REP_OK;
i = 0;
for (;;) {
int n;
-
- ifr = (struct ifreq *) VOIDP(buf + i);
- n = sizeof(ifr->ifr_name) + SIZEA(ifr->ifr_addr);
- if (n < sizeof(*ifr)) n = sizeof(*ifr);
- if (i+n > ifc_len) break;
+
+ ifrp = (struct ifreq *) VOIDP(ifc.ifc_buf + i);
+ n = sizeof(ifrp->ifr_name) + SIZEA(ifrp->ifr_addr);
+ if (n < sizeof(*ifrp)) n = sizeof(*ifrp);
+ if (i+n > ifc.ifc_len) break;
i += n;
-
- switch (ifr->ifr_addr.sa_family) {
+
+ switch (ifrp->ifr_addr.sa_family) {
#if defined(HAVE_IN6) && defined(AF_INET6)
case AF_INET6:
#endif
case AF_INET:
- ASSERT(sp+IFNAMSIZ+1 < sbuf+buflen+1)
- strncpy(sp, ifr->ifr_name, IFNAMSIZ);
+ ASSERT(sp+IFNAMSIZ+1 < sbuf+ifc.ifc_len+1)
+ strncpy(sp, ifrp->ifr_name, IFNAMSIZ);
sp[IFNAMSIZ] = '\0';
sp += strlen(sp), ++sp;
}
-
- if (i >= ifc_len) break;
+
+ if (i >= ifc.ifc_len) break;
}
- FREE(buf);
+ free_ifconf(&ifc);
*rbuf = sbuf;
return sp - sbuf;
}
-
/* FIXME: temporary hack */
#ifndef IFHWADDRLEN
#define IFHWADDRLEN 6
@@ -4133,37 +4171,52 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
#ifdef SIOCGIFHWADDR
if (ioctl(desc->s, SIOCGIFHWADDR, (char *)&ifreq) < 0)
break;
- buf_check(sptr, s_end, 1+IFHWADDRLEN);
+ buf_check(sptr, s_end, 1+2+IFHWADDRLEN);
*sptr++ = INET_IFOPT_HWADDR;
+ put_int16(IFHWADDRLEN, sptr); sptr += 2;
/* raw memcpy (fix include autoconf later) */
sys_memcpy(sptr, (char*)(&ifreq.ifr_hwaddr.sa_data), IFHWADDRLEN);
sptr += IFHWADDRLEN;
-#elif defined(HAVE_GETIFADDRS)
- struct ifaddrs *ifa, *ifp;
- int found = 0;
-
- if (getifaddrs(&ifa) == -1)
- goto error;
+#elif defined(SIOCGENADDR)
+ if (ioctl(desc->s, SIOCGENADDR, (char *)&ifreq) < 0)
+ break;
+ buf_check(sptr, s_end, 1+2+sizeof(ifreq.ifr_enaddr));
+ *sptr++ = INET_IFOPT_HWADDR;
+ put_int16(sizeof(ifreq.ifr_enaddr), sptr); sptr += 2;
+ /* raw memcpy (fix include autoconf later) */
+ sys_memcpy(sptr, (char*)(&ifreq.ifr_enaddr),
+ sizeof(ifreq.ifr_enaddr));
+ sptr += sizeof(ifreq.ifr_enaddr);
+#elif defined(HAVE_GETIFADDRS) && defined(AF_LINK)
+ struct ifaddrs *ifa, *ifp;
+ struct sockaddr_dl *sdlp;
+ int found = 0;
+
+ if (getifaddrs(&ifa) == -1)
+ goto error;
- for (ifp = ifa; ifp; ifp = ifp->ifa_next) {
- if ((ifp->ifa_addr->sa_family == AF_LINK) &&
- (sys_strcmp(ifp->ifa_name, ifreq.ifr_name) == 0)) {
- found = 1;
- break;
- }
- }
+ for (ifp = ifa; ifp; ifp = ifp->ifa_next) {
+ if ((ifp->ifa_addr->sa_family == AF_LINK) &&
+ (sys_strcmp(ifp->ifa_name, ifreq.ifr_name) == 0)) {
+ found = 1;
+ break;
+ }
+ }
- if (found == 0) {
- freeifaddrs(ifa);
- break;
- }
+ if (found == 0) {
+ freeifaddrs(ifa);
+ break;
+ }
+ sdlp = (struct sockaddr_dl *)ifp->ifa_addr;
- buf_check(sptr, s_end, 1+IFHWADDRLEN);
- *sptr++ = INET_IFOPT_HWADDR;
- sys_memcpy(sptr, ((struct sockaddr_dl *)ifp->ifa_addr)->sdl_data +
- ((struct sockaddr_dl *)ifp->ifa_addr)->sdl_nlen, IFHWADDRLEN);
- freeifaddrs(ifa);
- sptr += IFHWADDRLEN;
+ buf_check(sptr, s_end, 1+2+sdlp->sdl_alen);
+ *sptr++ = INET_IFOPT_HWADDR;
+ put_int16(sdlp->sdl_alen, sptr); sptr += 2;
+ sys_memcpy(sptr,
+ sdlp->sdl_data + sdlp->sdl_nlen,
+ sdlp->sdl_alen);
+ freeifaddrs(ifa);
+ sptr += sdlp->sdl_alen;
#endif
break;
}
@@ -4240,29 +4293,15 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len,
case INET_IFOPT_FLAGS: {
int flags;
- int eflags = 0;
if (ioctl(desc->s, SIOCGIFFLAGS, (char*)&ifreq) < 0)
flags = 0;
else
flags = ifreq.ifr_flags;
- /* translate flags */
- if (flags & IFF_UP)
- eflags |= INET_IFF_UP;
- if (flags & IFF_BROADCAST)
- eflags |= INET_IFF_BROADCAST;
- if (flags & IFF_LOOPBACK)
- eflags |= INET_IFF_LOOPBACK;
- if (flags & IFF_POINTOPOINT)
- eflags |= INET_IFF_POINTTOPOINT;
- if (flags & IFF_RUNNING)
- eflags |= INET_IFF_RUNNING;
- if (flags & IFF_MULTICAST)
- eflags |= INET_IFF_MULTICAST;
buf_check(sptr, s_end, 5);
*sptr++ = INET_IFOPT_FLAGS;
- put_int32(eflags, sptr);
+ put_int32(IFGET_FLAGS(flags), sptr);
sptr += 4;
break;
}
@@ -4300,17 +4339,22 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
(void) ioctl(desc->s, SIOCSIFADDR, (char*)&ifreq);
break;
- case INET_IFOPT_HWADDR:
- buf_check(buf, b_end, IFHWADDRLEN);
+ case INET_IFOPT_HWADDR: {
+ unsigned int len;
+ buf_check(buf, b_end, 2);
+ len = get_int16(buf); buf += 2;
+ buf_check(buf, b_end, len);
#ifdef SIOCSIFHWADDR
/* raw memcpy (fix include autoconf later) */
- sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, IFHWADDRLEN);
+ 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);
(void) ioctl(desc->s, SIOCSIFHWADDR, (char *)&ifreq);
#endif
- buf += IFHWADDRLEN;
+ buf += len;
break;
-
+ }
case INET_IFOPT_BROADADDR:
#ifdef SIOCSIFBRDADDR
@@ -4415,6 +4459,551 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len,
#endif
+
+
+/* Latin-1 to utf8 */
+
+static int utf8_len(const char *c, int m) {
+ int l;
+ for (l = 0; m; c++, l++, m--) {
+ if (*c == '\0') break;
+ if ((*c & 0x7f) != *c) l++;
+ }
+ return l;
+}
+
+static void utf8_encode(const char *c, int m, char *p) {
+ for (; m; c++, m--) {
+ if (*c == '\0') break;
+ if ((*c & 0x7f) != *c) {
+ *p++ = (char) (0xC0 | (0x03 & (*c >> 6)));
+ *p++ = (char) (0x80 | (0x3F & *c));
+ } else {
+ *p++ = (char) *c;
+ }
+ }
+}
+
+#if defined(__WIN32__)
+
+static void set_netmask_bytes(char *c, int len, int pref_len) {
+ int i, m;
+ for (i = 0, m = pref_len >> 3; i < m && i < len; i++) c[i] = '\xFF';
+ if (i < len) c[i++] = 0xFF << (8 - (pref_len & 7));
+ for (; i < len; i++) c[i] = '\0';
+}
+
+
+int eq_masked_bytes(char *a, char *b, int pref_len) {
+ int i, m;
+ for (i = 0, m = pref_len >> 3; i < m; i++) {
+ if (a[i] != b[i]) return 0;
+ }
+ m = pref_len & 7;
+ if (m) {
+ m = 0xFF & (0xFF << (8 - m));
+ if ((a[i] & m) != (b[i] & m)) return 0;
+ }
+ return !0;
+}
+
+static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, int rsize)
+{
+ int i;
+ DWORD ret, n;
+ IP_INTERFACE_INFO *info_p;
+ MIB_IPADDRTABLE *ip_addrs_p;
+ IP_ADAPTER_ADDRESSES *ip_adaddrs_p, *ia_p;
+
+ char *buf_p;
+ char *buf_alloc_p;
+ int buf_size =512;
+# define BUF_ENSURE(Size) \
+ do { \
+ int NEED_, GOT_ = buf_p - buf_alloc_p; \
+ NEED_ = GOT_ + (Size); \
+ if (NEED_ > buf_size) { \
+ buf_size = NEED_ + 512; \
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
+ buf_p = buf_alloc_p + GOT_; \
+ } \
+ } while(0)
+# define SOCKADDR_TO_BUF(opt, sa) \
+ do { \
+ if (sa) { \
+ char *P_; \
+ *buf_p++ = (opt); \
+ while (! (P_ = sockaddr_to_buf((sa), buf_p, \
+ buf_alloc_p+buf_size))) { \
+ int GOT_ = buf_p - buf_alloc_p; \
+ buf_size += 512; \
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
+ buf_p = buf_alloc_p + GOT_; \
+ } \
+ if (P_ == buf_p) { \
+ buf_p--; \
+ } else { \
+ buf_p = P_; \
+ } \
+ } \
+ } while (0)
+
+ {
+ /* Try GetAdaptersAddresses, if it is available */
+ unsigned long ip_adaddrs_size = 16 * 1024;
+ ULONG family = AF_UNSPEC;
+ ULONG flags =
+ GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST |
+ GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_FRIENDLY_NAME |
+ GAA_FLAG_SKIP_MULTICAST;
+ ULONG (WINAPI *fpGetAdaptersAddresses)
+ (ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG);
+ HMODULE iphlpapi = GetModuleHandle("iphlpapi");
+ fpGetAdaptersAddresses = (void *)
+ (iphlpapi ?
+ GetProcAddress(iphlpapi, "GetAdaptersAddresses") :
+ NULL);
+ if (fpGetAdaptersAddresses) {
+ ip_adaddrs_p = ALLOC(ip_adaddrs_size);
+ for (i = 17; i; i--) {
+ ret = fpGetAdaptersAddresses(
+ family, flags, NULL, ip_adaddrs_p, &ip_adaddrs_size);
+ ip_adaddrs_p = REALLOC(ip_adaddrs_p, ip_adaddrs_size);
+ if (ret == NO_ERROR) break;
+ if (ret == ERROR_BUFFER_OVERFLOW) continue;
+ i = 0;
+ }
+ if (! i) {
+ FREE(ip_adaddrs_p);
+ ip_adaddrs_p = NULL;
+ }
+ } else ip_adaddrs_p = NULL;
+ }
+
+ {
+ /* Load the IP_INTERFACE_INFO table (only IPv4 interfaces),
+ * reliable source of interface names on XP
+ */
+ unsigned long info_size = 4 * 1024;
+ info_p = ALLOC(info_size);
+ for (i = 17; i; i--) {
+ ret = GetInterfaceInfo(info_p, &info_size);
+ info_p = REALLOC(info_p, info_size);
+ if (ret == NO_ERROR) break;
+ if (ret == ERROR_INSUFFICIENT_BUFFER) continue;
+ i = 0;
+ }
+ if (! i) {
+ FREE(info_p);
+ info_p = NULL;
+ }
+ }
+
+ if (! ip_adaddrs_p) {
+ /* If GetAdaptersAddresses gave nothing we fall back to
+ * MIB_IPADDRTABLE (only IPv4 interfaces)
+ */
+ unsigned long ip_addrs_size = 16 * sizeof(*ip_addrs_p);
+ ip_addrs_p = ALLOC(ip_addrs_size);
+ for (i = 17; i; i--) {
+ ret = GetIpAddrTable(ip_addrs_p, &ip_addrs_size, FALSE);
+ ip_addrs_p = REALLOC(ip_addrs_p, ip_addrs_size);
+ if (ret == NO_ERROR) break;
+ if (ret == ERROR_INSUFFICIENT_BUFFER) continue;
+ i = 0;
+ }
+ if (! i) {
+ if (info_p) FREE(info_p);
+ FREE(ip_addrs_p);
+ return ctl_reply(INET_REP_OK, NULL, 0, rbuf_pp, rsize);
+ }
+ } else ip_addrs_p = NULL;
+
+ buf_p = buf_alloc_p = ALLOC(buf_size);
+ *buf_p++ = INET_REP_OK;
+
+ /* Iterate over MIB_IPADDRTABLE or IP_ADAPTER_ADDRESSES */
+ for (ia_p = NULL, ip_addrs_p ? ((void *)(i = 0)) : (ia_p = ip_adaddrs_p);
+ ip_addrs_p ? (i < ip_addrs_p->dwNumEntries) : (ia_p != NULL);
+ ip_addrs_p ? ((void *)(i++)) : (ia_p = ia_p->Next)) {
+ MIB_IPADDRROW *ipaddrrow_p = NULL;
+ DWORD flags = INET_IFF_MULTICAST;
+ DWORD index = 0;
+ WCHAR *wname_p = NULL;
+ MIB_IFROW ifrow;
+
+ if (ip_addrs_p) {
+ ipaddrrow_p = ip_addrs_p->table + i;
+ index = ipaddrrow_p->dwIndex;
+ } else {
+ index = ia_p->IfIndex;
+ if (ia_p->Flags & IP_ADAPTER_NO_MULTICAST) {
+ flags &= ~INET_IFF_MULTICAST;
+ }
+ }
+index:
+ if (! index) goto done;
+ sys_memzero(&ifrow, sizeof(ifrow));
+ ifrow.dwIndex = index;
+ if (GetIfEntry(&ifrow) != NO_ERROR) break;
+ /* Find the interface name - first try MIB_IFROW.wzname */
+ if (ifrow.wszName[0] != 0) {
+ wname_p = ifrow.wszName;
+ } else {
+ /* Then try IP_ADAPTER_INDEX_MAP.Name (only IPv4 adapters) */
+ int j;
+ for (j = 0; j < info_p->NumAdapters; j++) {
+ if (info_p->Adapter[j].Index == (ULONG) ifrow.dwIndex) {
+ if (info_p->Adapter[j].Name[0] != 0) {
+ wname_p = info_p->Adapter[j].Name;
+ }
+ break;
+ }
+ }
+ }
+ if (wname_p) {
+ int len;
+ /* Convert interface name to UTF-8 */
+ len =
+ WideCharToMultiByte(
+ CP_UTF8, 0, wname_p, -1, NULL, 0, NULL, NULL);
+ if (! len) break;
+ BUF_ENSURE(len);
+ WideCharToMultiByte(
+ CP_UTF8, 0, wname_p, -1, buf_p, len, NULL, NULL);
+ buf_p += len;
+ } else {
+ /* Found no name -
+ * use "MIB_IFROW.dwIndex: MIB_IFROW.bDescr" as name instead */
+ int l;
+ l = utf8_len(ifrow.bDescr, ifrow.dwDescrLen);
+ BUF_ENSURE(9 + l+1);
+ buf_p +=
+ erts_sprintf(
+ buf_p, "%lu: ", (unsigned long) ifrow.dwIndex);
+ utf8_encode(ifrow.bDescr, ifrow.dwDescrLen, buf_p);
+ buf_p += l;
+ *buf_p++ = '\0';
+ }
+ /* Interface flags, often make up broadcast and multicast flags */
+ switch (ifrow.dwType) {
+ case IF_TYPE_ETHERNET_CSMACD:
+ flags |= INET_IFF_BROADCAST;
+ break;
+ case IF_TYPE_SOFTWARE_LOOPBACK:
+ flags |= INET_IFF_LOOPBACK;
+ flags &= ~INET_IFF_MULTICAST;
+ break;
+ default:
+ flags &= ~INET_IFF_MULTICAST;
+ break;
+ }
+ if (ifrow.dwAdminStatus) {
+ flags |= INET_IFF_UP;
+ switch (ifrow.dwOperStatus) {
+ case IF_OPER_STATUS_CONNECTING:
+ flags |= INET_IFF_POINTTOPOINT;
+ break;
+ case IF_OPER_STATUS_CONNECTED:
+ flags |= INET_IFF_RUNNING | INET_IFF_POINTTOPOINT;
+ break;
+ case IF_OPER_STATUS_OPERATIONAL:
+ flags |= INET_IFF_RUNNING;
+ break;
+ }
+ }
+ BUF_ENSURE(1 + 4);
+ *buf_p++ = INET_IFOPT_FLAGS;
+ put_int32(flags, buf_p); buf_p += 4;
+ if (ipaddrrow_p) {
+ /* Legacy implementation through GetIpAddrTable */
+ struct sockaddr_in sin;
+ /* IP Address */
+ sys_memzero(&sin, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = ipaddrrow_p->dwAddr;
+ BUF_ENSURE(1);
+ /* Netmask */
+ SOCKADDR_TO_BUF(INET_IFOPT_ADDR, (struct sockaddr *) &sin);
+ sin.sin_addr.s_addr = ipaddrrow_p->dwMask;
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, (struct sockaddr *) &sin);
+ if (flags & INET_IFF_BROADCAST) {
+ /* Broadcast address - fake it*/
+ sin.sin_addr.s_addr = ipaddrrow_p->dwAddr;
+ sin.sin_addr.s_addr |= ~ipaddrrow_p->dwMask;
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(
+ INET_IFOPT_BROADADDR, (struct sockaddr *) &sin);
+ }
+ } else {
+ IP_ADAPTER_UNICAST_ADDRESS *p;
+ /* IP Address(es) */
+ for (p = ia_p->FirstUnicastAddress;
+ p;
+ p = p->Next)
+ {
+ IP_ADAPTER_PREFIX *q;
+ ULONG shortest_length;
+ struct sockaddr *shortest_p, *sa_p = p->Address.lpSockaddr;
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_ADDR, sa_p);
+ shortest_p = NULL;
+ shortest_length = 0;
+ for (q = ia_p->FirstPrefix;
+ q;
+ q = q->Next) {
+ struct sockaddr *sp_p = q->Address.lpSockaddr;
+ if (sa_p->sa_family != sp_p->sa_family) continue;
+ switch (sa_p->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in sin;
+ DWORD sa, sp, mask;
+ sa = ntohl((DWORD)
+ ((struct sockaddr_in *)
+ sa_p)->sin_addr.s_addr);
+ sp = ntohl((DWORD)
+ ((struct sockaddr_in *)
+ sp_p)->sin_addr.s_addr);
+ mask = 0xFFFFFFFF << (32 - q->PrefixLength);
+ if ((sa & mask) != (sp & mask)) continue;
+ if ((! shortest_p)
+ || q->PrefixLength < shortest_length) {
+ shortest_p = sp_p;
+ shortest_length = q->PrefixLength;
+ }
+ } break;
+ case AF_INET6: {
+ struct sockaddr_in6 sin6;
+ if (!eq_masked_bytes((char *)
+ &((struct sockaddr_in6 *)
+ sa_p)->sin6_addr,
+ (char *)
+ &((struct sockaddr_in6 *)
+ sp_p)->sin6_addr,
+ q->PrefixLength)) {
+ continue;
+ }
+ if ((! shortest_p)
+ || q->PrefixLength < shortest_length) {
+ shortest_p = sp_p;
+ shortest_length = q->PrefixLength;
+ }
+ } break;
+ }
+ }
+ if (! shortest_p) {
+ /* Found no shortest prefix */
+ shortest_p = sa_p;
+ switch (shortest_p->sa_family) {
+ case AF_INET: {
+ /* Fall back to old classfull network addresses */
+ DWORD addr = ntohl(((struct sockaddr_in *)shortest_p)
+ ->sin_addr.s_addr);
+ if (! (addr & 0x800000)) {
+ /* Class A */
+ shortest_length = 8;
+ } else if (! (addr & 0x400000)) {
+ /* Class B */
+ shortest_length = 16;
+ } else if (! (addr & 0x200000)) {
+ /* Class C */
+ shortest_length = 24;
+ } else {
+ shortest_length = 32;
+ }
+ } break;
+ case AF_INET6: {
+ /* Just play it safe */
+ shortest_length = 128;
+ } break;
+ }
+ }
+ switch (shortest_p->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in sin;
+ DWORD mask = 0xFFFFFFFF << (32 - shortest_length);
+ sys_memzero(&sin, sizeof(sin));
+ sin.sin_family = shortest_p->sa_family;
+ sin.sin_addr.s_addr = htonl(mask);
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_NETMASK,
+ (struct sockaddr *) &sin);
+ if (flags & INET_IFF_BROADCAST) {
+ DWORD sp =
+ ntohl((DWORD)
+ ((struct sockaddr_in *)shortest_p)
+ -> sin_addr.s_addr);
+ sin.sin_addr.s_addr = htonl(sp | ~mask);
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR,
+ (struct sockaddr *) &sin);
+ }
+ } break;
+ case AF_INET6: {
+ struct sockaddr_in6 sin6;
+ sys_memzero(&sin6, sizeof(sin6));
+ sin6.sin6_family = shortest_p->sa_family;
+ set_netmask_bytes((char *) &sin6.sin6_addr,
+ 16,
+ shortest_length);
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_NETMASK,
+ (struct sockaddr *) &sin6);
+ } break;
+ }
+ }
+ }
+ if (ifrow.dwPhysAddrLen) {
+ /* Hardware Address */
+ BUF_ENSURE(1 + 2 + ifrow.dwPhysAddrLen);
+ *buf_p++ = INET_IFOPT_HWADDR;
+ put_int16(ifrow.dwPhysAddrLen, buf_p); buf_p += 2;
+ sys_memcpy(buf_p, ifrow.bPhysAddr, ifrow.dwPhysAddrLen);
+ buf_p += ifrow.dwPhysAddrLen;
+ }
+
+done:
+ /* That is all for this interface */
+ BUF_ENSURE(1);
+ *buf_p++ = '\0';
+ if (ia_p &&
+ ia_p->Ipv6IfIndex &&
+ ia_p->Ipv6IfIndex != index)
+ {
+ /* Oops, there was an other interface for IPv6. Possible? XXX */
+ index = ia_p->Ipv6IfIndex;
+ goto index;
+ }
+ }
+
+ if (ip_adaddrs_p) FREE(ip_adaddrs_p);
+ if (info_p) FREE(info_p);
+ if (ip_addrs_p) FREE(ip_addrs_p);
+
+ buf_size = buf_p - buf_alloc_p;
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size);
+ /* buf_p is now unreliable */
+ *rbuf_pp = buf_alloc_p;
+ return buf_size;
+# undef BUF_ENSURE
+}
+
+#elif defined(HAVE_GETIFADDRS)
+
+static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, int rsize)
+{
+ struct ifaddrs *ifa_p, *ifa_free_p;
+
+ int buf_size;
+ char *buf_p;
+ char *buf_alloc_p;
+
+ buf_size = 512;
+ buf_alloc_p = ALLOC(buf_size);
+ buf_p = buf_alloc_p;
+# define BUF_ENSURE(Size) \
+ do { \
+ int NEED_, GOT_ = buf_p - buf_alloc_p; \
+ NEED_ = GOT_ + (Size); \
+ if (NEED_ > buf_size) { \
+ buf_size = NEED_ + 512; \
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
+ buf_p = buf_alloc_p + GOT_; \
+ } \
+ } while (0)
+# define SOCKADDR_TO_BUF(opt, sa) \
+ do { \
+ if (sa) { \
+ char *P_; \
+ *buf_p++ = (opt); \
+ while (! (P_ = sockaddr_to_buf((sa), buf_p, \
+ buf_alloc_p+buf_size))) { \
+ int GOT_ = buf_p - buf_alloc_p; \
+ buf_size += 512; \
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \
+ buf_p = buf_alloc_p + GOT_; \
+ } \
+ if (P_ == buf_p) { \
+ buf_p--; \
+ } else { \
+ buf_p = P_; \
+ } \
+ } \
+ } while (0)
+
+ if (getifaddrs(&ifa_p) < 0) {
+ return ctl_error(sock_errno(), rbuf_pp, rsize);
+ }
+ ifa_free_p = ifa_p;
+ *buf_p++ = INET_REP_OK;
+ for (; ifa_p; ifa_p = ifa_p->ifa_next) {
+ int len = utf8_len(ifa_p->ifa_name, -1);
+ BUF_ENSURE(len+1 + 1+4 + 1);
+ utf8_encode(ifa_p->ifa_name, -1, buf_p);
+ buf_p += len;
+ *buf_p++ = '\0';
+ *buf_p++ = INET_IFOPT_FLAGS;
+ put_int32(IFGET_FLAGS(ifa_p->ifa_flags), buf_p); buf_p += 4;
+ if (ifa_p->ifa_addr->sa_family == AF_INET
+#if defined(AF_INET6)
+ || ifa_p->ifa_addr->sa_family == AF_INET6
+#endif
+ ) {
+ SOCKADDR_TO_BUF(INET_IFOPT_ADDR, ifa_p->ifa_addr);
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, ifa_p->ifa_netmask);
+ if (ifa_p->ifa_flags & IFF_POINTOPOINT) {
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_DSTADDR, ifa_p->ifa_dstaddr);
+ } else if (ifa_p->ifa_flags & IFF_BROADCAST) {
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR, ifa_p->ifa_broadaddr);
+ }
+ }
+#if defined(AF_LINK) || defined(AF_PACKET)
+ else if (
+#if defined(AF_LINK)
+ ifa_p->ifa_addr->sa_family == AF_LINK
+#else
+ 0
+#endif
+#if defined(AF_PACKET)
+ || ifa_p->ifa_addr->sa_family == AF_PACKET
+#endif
+ ) {
+ char *bp = buf_p;
+ BUF_ENSURE(1);
+ SOCKADDR_TO_BUF(INET_IFOPT_HWADDR, ifa_p->ifa_addr);
+ if (buf_p - bp < 4) buf_p = bp; /* Empty hwaddr */
+ }
+#endif
+ BUF_ENSURE(1);
+ *buf_p++ = '\0';
+ }
+ buf_size = buf_p - buf_alloc_p;
+ buf_alloc_p = REALLOC(buf_alloc_p, buf_size);
+ /* buf_p is now unreliable */
+ freeifaddrs(ifa_free_p);
+ *rbuf_pp = buf_alloc_p;
+ return buf_size;
+# undef BUF_ENSURE
+}
+
+#else
+
+static int inet_ctl_getifaddrs(inet_descriptor* desc_p,
+ char **rbuf_pp, int rsize)
+{
+ return ctl_error(ENOTSUP, rbuf_pp, rsize);
+}
+
+#endif
+
+
+
#ifdef VXWORKS
/*
** THIS is a terrible creature, a bug in the TCP part
@@ -5293,12 +5882,15 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len)
if (pmtud_enable) cflags |= SPP_PMTUD_ENABLE;
if (pmtud_disable) cflags |= SPP_PMTUD_DISABLE;
+# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY
+ /* The followings are missing in FreeBSD 7.1 */
sackdelay_enable =eflags& SCTP_FLAG_SACDELAY_ENABLE;
sackdelay_disable=eflags& SCTP_FLAG_SACDELAY_DISABLE;
if (sackdelay_enable && sackdelay_disable)
return -1;
if (sackdelay_enable) cflags |= SPP_SACKDELAY_ENABLE;
if (sackdelay_disable) cflags |= SPP_SACKDELAY_DISABLE;
+# endif
arg.pap.spp_flags = cflags;
# endif
@@ -6199,13 +6791,15 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen,
if (ap.spp_flags & SPP_PMTUD_DISABLE)
{ i = LOAD_ATOM (spec, i, am_pmtud_disable); n++; }
-
+# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY
+ /* SPP_SACKDELAY_* not in FreeBSD 7.1 */
if (ap.spp_flags & SPP_SACKDELAY_ENABLE)
{ i = LOAD_ATOM (spec, i, am_sackdelay_enable); n++; }
if (ap.spp_flags & SPP_SACKDELAY_DISABLE)
{ i = LOAD_ATOM (spec, i, am_sackdelay_disable); n++; }
# endif
+# endif
PLACE_FOR(spec, i,
LOAD_NIL_CNT + LOAD_LIST_CNT + 2*LOAD_TUPLE_CNT);
@@ -6676,6 +7270,13 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len,
return inet_ctl_getiflist(desc, rbuf, rsize);
}
+ case INET_REQ_GETIFADDRS: {
+ DEBUGF(("inet_ctl(%ld): GETIFADDRS\r\n", (long)desc->port));
+ if (!IS_OPEN(desc))
+ return ctl_xerror(EXBADPORT, rbuf, rsize);
+ return inet_ctl_getifaddrs(desc, rbuf, rsize);
+ }
+
case INET_REQ_IFGET: {
DEBUGF(("inet_ctl(%ld): IFGET\r\n", (long)desc->port));
if (!IS_OPEN(desc))
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 7c19274696..79252d0593 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -27,6 +27,7 @@
-export([all/1,
ping/1, bulk_send/1, bulk_send_small/1,
bulk_send_big/1,
+ bulk_send_bigbig/1,
local_send/1, local_send_small/1, local_send_big/1,
local_send_legal/1, link_to_busy/1, exit_to_busy/1,
lost_exit/1, link_to_dead/1, link_to_dead_new_node/1,
@@ -50,7 +51,8 @@
-export([sender/3, receiver2/2, dummy_waiter/0, dead_process/0,
roundtrip/1, bounce/1, do_dist_auto_connect/1, inet_rpc_server/1,
dist_parallel_sender/3, dist_parallel_receiver/0,
- dist_evil_parallel_receiver/0]).
+ dist_evil_parallel_receiver/0,
+ sendersender/4, sendersender2/4]).
all(suite) -> [
ping, bulk_send, local_send, link_to_busy, exit_to_busy,
@@ -121,7 +123,7 @@ bulk_send(doc) ->
"the time. This tests that a process that is suspended on a ",
"busy port will eventually be resumed."];
bulk_send(suite) ->
- [bulk_send_small, bulk_send_big].
+ [bulk_send_small, bulk_send_big, bulk_send_bigbig].
bulk_send_small(Config) when is_list(Config) ->
?line bulk_send(64, 32).
@@ -129,6 +131,9 @@ bulk_send_small(Config) when is_list(Config) ->
bulk_send_big(Config) when is_list(Config) ->
?line bulk_send(32, 64).
+bulk_send_bigbig(Config) when is_list(Config) ->
+ ?line bulk_sendsend(32*5, 4).
+
bulk_send(Terms, BinSize) ->
?line Dog = test_server:timetrap(test_server:seconds(30)),
@@ -145,6 +150,53 @@ bulk_send(Terms, BinSize) ->
?line test_server:timetrap_cancel(Dog),
{comment, integer_to_list(trunc(Size/1024/Elapsed+0.5)) ++ " K/s"}.
+bulk_sendsend(Terms, BinSize) ->
+ {Rate1, MonitorCount1} = bulk_sendsend2(Terms, BinSize, 5),
+ {Rate2, MonitorCount2} = bulk_sendsend2(Terms, BinSize, 995),
+ Ratio = if MonitorCount2 == 0 -> MonitorCount1 / 1.0;
+ true -> MonitorCount1 / MonitorCount2
+ end,
+ %% A somewhat arbitrary ratio, but hopefully one that will accomodate
+ %% a wide range of CPU speeds.
+ true = (Ratio > 8.0),
+ {comment,
+ integer_to_list(Rate1) ++ " K/s, " ++
+ integer_to_list(Rate2) ++ " K/s, " ++
+ integer_to_list(MonitorCount1) ++ " monitor msgs, " ++
+ integer_to_list(MonitorCount2) ++ " monitor msgs, " ++
+ float_to_list(Ratio) ++ " monitor ratio"}.
+
+bulk_sendsend2(Terms, BinSize, BusyBufSize) ->
+ ?line Dog = test_server:timetrap(test_server:seconds(30)),
+
+ ?line io:format("Sending ~w binaries, each of size ~w K",
+ [Terms, BinSize]),
+ ?line {ok, NodeRecv} = start_node(bulk_receiver),
+ ?line Recv = spawn(NodeRecv, erlang, apply, [fun receiver/2, [0, 0]]),
+ ?line Bin = list_to_binary(lists:duplicate(BinSize*1024, 253)),
+ ?line Size = Terms*size(Bin),
+
+ %% SLF LEFT OFF HERE.
+ %% When the caller uses small hunks, like 4k via
+ %% bulk_sendsend(32*5, 4), then (on my laptop at least), we get
+ %% zero monitor messages. But if we use "+zdbbl 5", then we
+ %% get a lot of monitor messages. So, if we can count up the
+ %% total number of monitor messages that we get when running both
+ %% default busy size and "+zdbbl 5", and if the 5 case gets
+ %% "many many more" monitor messages, then we know we're working.
+
+ ?line {ok, NodeSend} = start_node(bulk_sender, "+zdbbl " ++ integer_to_list(BusyBufSize)),
+ ?line _Send = spawn(NodeSend, erlang, apply, [fun sendersender/4, [self(), Recv, Bin, Terms]]),
+ ?line {Elapsed, {TermsN, SizeN}, MonitorCount} =
+ receive {sendersender, BigRes} ->
+ BigRes
+ end,
+ ?line stop_node(NodeRecv),
+ ?line stop_node(NodeSend),
+
+ ?line test_server:timetrap_cancel(Dog),
+ {trunc(SizeN/1024/Elapsed+0.5), MonitorCount}.
+
sender(To, _Bin, 0) ->
To ! {done, self()},
receive
@@ -155,6 +207,43 @@ sender(To, Bin, Left) ->
To ! {term, Bin},
sender(To, Bin, Left-1).
+%% Sender process to be run on a slave node
+
+sendersender(Parent, To, Bin, Left) ->
+ erlang:system_monitor(self(), [busy_dist_port]),
+ [spawn(fun() -> sendersender2(To, Bin, Left, false) end) ||
+ _ <- lists:seq(1,1)],
+ {USec, {Res, MonitorCount}} =
+ timer:tc(?MODULE, sendersender2, [To, Bin, Left, true]),
+ Parent ! {sendersender, {USec/1000000, Res, MonitorCount}}.
+
+sendersender2(To, Bin, Left, SendDone) ->
+ sendersender3(To, Bin, Left, SendDone, 0).
+
+sendersender3(To, _Bin, 0, SendDone, MonitorCount) ->
+ if SendDone ->
+ To ! {done, self()};
+ true ->
+ ok
+ end,
+ receive
+ {monitor, _Pid, _Type, _Info} = M ->
+ sendersender3(To, _Bin, 0, SendDone, MonitorCount + 1)
+ after 0 ->
+ if SendDone ->
+ receive
+ Any when is_tuple(Any), size(Any) == 2 ->
+ {Any, MonitorCount}
+ end;
+ true ->
+ exit(normal)
+ end
+ end;
+sendersender3(To, Bin, Left, SendDone, MonitorCount) ->
+ To ! {term, Bin},
+ %%timer:sleep(50),
+ sendersender3(To, Bin, Left-1, SendDone, MonitorCount).
+
%% Receiver process to be run on a slave node.
receiver(Terms, Size) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 11:25:28 +0000