diff options
Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 96 |
1 files changed, 72 insertions, 24 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index bf376f0494..8f4fff0f40 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -1228,6 +1228,27 @@ struct erl_drv_entry inet_driver_entry = NULL, }; +#if HAVE_IN6 +# if ! defined(HAVE_IN6ADDR_ANY) || ! HAVE_IN6ADDR_ANY +# if HAVE_DECL_IN6ADDR_ANY_INIT +static const struct in6_addr in6addr_any = { { IN6ADDR_ANY_INIT } }; +# else +static const struct in6_addr in6addr_any = + { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }; +# endif /* HAVE_IN6ADDR_ANY_INIT */ +# endif /* ! HAVE_DECL_IN6ADDR_ANY */ + +# if ! defined(HAVE_IN6ADDR_LOOPBACK) || ! HAVE_IN6ADDR_LOOPBACK +# if HAVE_DECL_IN6ADDR_LOOPBACK_INIT +static const struct in6_addr in6addr_loopback = + { { IN6ADDR_LOOPBACK_INIT } }; +# else +static const struct in6_addr in6addr_loopback = + { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }; +# endif /* HAVE_IN6ADDR_LOOPBACk_INIT */ +# endif /* ! HAVE_DECL_IN6ADDR_LOOPBACK */ +#endif /* HAVE_IN6 */ + /* XXX: is this a driver interface function ??? */ void erl_exit(int n, char*, ...); @@ -3124,6 +3145,7 @@ static int tcp_message(inet_descriptor* desc, const char* buf, int len) int i = 0; DEBUGF(("tcp_message(%ld): len = %d\r\n", (long)desc->port, len)); + /* XXX fprintf(stderr,"tcp_message send.\r\n"); */ i = LOAD_ATOM(spec, i, am_tcp); i = LOAD_PORT(spec, i, desc->dport); @@ -3705,6 +3727,9 @@ static char* inet_set_address(int family, inet_address* dst, if ((family == AF_INET) && (*len >= 2+4)) { sys_memzero((char*)dst, sizeof(struct sockaddr_in)); port = get_int16(src); +#ifndef NO_SA_LEN + dst->sai.sin_len = sizeof(struct sockaddr_in); +#endif dst->sai.sin_family = family; dst->sai.sin_port = sock_htons(port); sys_memcpy(&dst->sai.sin_addr, src+2, 4); @@ -3715,6 +3740,9 @@ static char* inet_set_address(int family, inet_address* dst, else if ((family == AF_INET6) && (*len >= 2+16)) { sys_memzero((char*)dst, sizeof(struct sockaddr_in6)); port = get_int16(src); +#ifndef NO_SA_LEN + dst->sai6.sin6_len = sizeof(struct sockaddr_in6); +#endif dst->sai6.sin6_family = family; dst->sai6.sin6_port = sock_htons(port); dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */ @@ -3725,7 +3753,7 @@ static char* inet_set_address(int family, inet_address* dst, #endif return NULL; } -#ifdef HAVE_SCTP + /* ** Set an inaddr structure, address family comes from source data, ** or from argument if source data specifies constant address. @@ -3769,6 +3797,9 @@ static char *inet_set_faddress(int family, inet_address* dst, return NULL; } sys_memzero((char*)dst, sizeof(struct sockaddr_in)); +#ifndef NO_SA_LEN + dst->sai.sin_len = sizeof(struct sockaddr_in6); +#endif dst->sai.sin_family = family; dst->sai.sin_port = sock_htons(port); dst->sai.sin_addr.s_addr = addr.s_addr; @@ -3788,6 +3819,9 @@ static char *inet_set_faddress(int family, inet_address* dst, return NULL; } sys_memzero((char*)dst, sizeof(struct sockaddr_in6)); +#ifndef NO_SA_LEN + dst->sai6.sin6_len = sizeof(struct sockaddr_in6); +#endif dst->sai6.sin6_family = family; dst->sai6.sin6_port = sock_htons(port); dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */ @@ -3805,7 +3839,7 @@ static char *inet_set_faddress(int family, inet_address* dst, } return inet_set_address(family, dst, src, len); } -#endif /* HAVE_SCTP */ + /* Get a inaddr structure ** src = inaddr structure @@ -5426,6 +5460,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) if (IS_SCTP(desc)) return sctp_set_opts(desc, ptr, len); #endif + /* XXX { int i; for(i=0;i<len;++i) fprintf(stderr,"0x%02X, ", (unsigned) ptr[i]); fprintf(stderr,"\r\n");} */ while(len >= 5) { opt = *ptr++; @@ -5755,10 +5790,16 @@ skip_os_setopt: if (desc->active != old_active) sock_select(desc, (FD_READ|FD_CLOSE), (desc->active>0)); + /* XXX: UDP sockets could also trigger immediate read here NIY */ if ((desc->stype==SOCK_STREAM) && desc->active) { if (!old_active || (desc->htype != old_htype)) { /* passive => active change OR header type change in active mode */ - return 1; + /* Return > 1 if only active changed to INET_ONCE -> direct read if + header type is unchanged. */ + /* XXX fprintf(stderr,"desc->htype == %d, old_htype == %d, + desc->active == %d, old_active == %d\r\n",(int)desc->htype, + (int) old_htype, (int) desc->active, (int) old_active );*/ + return 1+(desc->htype == old_htype && desc->active == INET_ONCE); } return 0; } @@ -7592,17 +7633,27 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, case INET_REQ_SETOPTS: { /* set options */ DEBUGF(("inet_ctl(%ld): SETOPTS\r\n", (long)desc->port)); + /* XXX fprintf(stderr,"inet_ctl(%ld): SETOPTS (len = %d)\r\n", (long)desc->port,(int) len); */ switch(inet_set_opts(desc, buf, len)) { case -1: return ctl_error(EINVAL, rbuf, rsize); case 0: return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); - default: /* active/passive change!! */ + case 1: /* * Let's hope that the descriptor really is a tcp_descriptor here. */ + /* fprintf(stderr,"Triggered tcp_deliver by setopt.\r\n"); */ tcp_deliver((tcp_descriptor *) desc, 0); return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); + default: + /* fprintf(stderr,"Triggered tcp_recv by setopt.\r\n"); */ + /* + * Same as above, but active changed to once w/o header type + * change, so try a read instead of just deliver. + */ + tcp_recv((tcp_descriptor *) desc, 0); + return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); } } @@ -7753,7 +7804,7 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, if (desc->state != INET_STATE_OPEN) return ctl_xerror(EXBADPORT, rbuf, rsize); - if (inet_set_address(desc->sfamily, &local, buf, &len) == NULL) + if (inet_set_faddress(desc->sfamily, &local, buf, &len) == NULL) return ctl_error(EINVAL, rbuf, rsize); if (IS_SOCKET_ERROR(sock_bind(desc->s,(struct sockaddr*) &local, len))) @@ -9196,6 +9247,7 @@ static int tcp_inet_input(tcp_descriptor* desc, HANDLE event) #endif ASSERT(!INETP(desc)->is_ignored); DEBUGF(("tcp_inet_input(%ld) {s=%d\r\n", port, desc->inet.s)); + /* XXX fprintf(stderr,"tcp_inet_input(%ld) {s=%d}\r\n",(long) desc->inet.port, desc->inet.s); */ if (desc->inet.state == INET_STATE_ACCEPTING) { SOCKET s; unsigned int len; @@ -10117,12 +10169,13 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, case SCTP_REQ_BINDX: { /* Multi-homing bind for SCTP: */ - /* Construct the list of addresses we bind to. The curr limit is - 256 addrs. Buff structure: Flags(1), ListItem,...: + /* Add additional addresses by calling sctp_bindx with one address + at a time, since this is what some OSes promise will work. + Buff structure: Flags(1), ListItem,...: */ - struct sockaddr addrs[256]; + inet_address addr; char* curr; - int add_flag, n, rflag; + int add_flag, rflag; if (!IS_SCTP(desc)) return ctl_xerror(EXBADPORT, rbuf, rsize); @@ -10131,27 +10184,22 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, add_flag = get_int8(curr); curr++; - for(n=0; n < 256 && curr < buf+len; n++) + /* Make the real flags: */ + rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR; + + while (curr < buf+len) { - /* List item format: Port(2), IP(4|16) -- compatible with - "inet_set_address": */ - inet_address tmp; + /* List item format: see "inet_set_faddress": */ ErlDrvSizeT alen = buf + len - curr; - curr = inet_set_address(desc->sfamily, &tmp, curr, &alen); + curr = inet_set_faddress(desc->sfamily, &addr, curr, &alen); if (curr == NULL) return ctl_error(EINVAL, rbuf, rsize); - /* Now: we need to squeeze "tmp" into the size of "sockaddr", - which is smaller than "tmp" for IPv6 (extra IN6 info will - be cut off): */ - memcpy(addrs + n, &tmp, sizeof(struct sockaddr)); + /* Invoke the call: */ + if (p_sctp_bindx(desc->s, (struct sockaddr *)&addr, 1, + rflag) < 0) + return ctl_error(sock_errno(), rbuf, rsize); } - /* Make the real flags: */ - rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR; - - /* Invoke the call: */ - if (p_sctp_bindx(desc->s, addrs, n, rflag) < 0) - return ctl_error(sock_errno(), rbuf, rsize); desc->state = INET_STATE_BOUND; |