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rbluez.c
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/**
* Rbluez - Ruby binding for Bluez (official Linux Bluetooth stack)
* Copyright (C) 2008 Claudio Fiorini <[email protected]>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
/* Any help and suggestions are always welcome */
#include "ruby.h"
#include "rubyio.h"
#include "rubysig.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include <bluetooth/rfcomm.h>
#include <bluetooth/l2cap.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
VALUE rb_mRbluez;
VALUE rb_cHci;
VALUE rb_cHciConn;
VALUE rb_cRfcomm;
void Init_rbluez();
int Rconnect();
typedef struct rzadapter_s {
int dev_id;
int sock_id;
uint16_t handle;
} rzadapter_t;
typedef struct rzconn_s {
uint16_t handle;
} rzconn_t;
static char *get_minor_device_name(int major, int minor)
{
switch (major) {
case 0: /* misc */
return "";
case 1: /* computer */
switch(minor) {
case 0:
return "Uncategorized";
case 1:
return "Desktop workstation";
case 2:
return "Server";
case 3:
return "Laptop";
case 4:
return "Handheld";
case 5:
return "Palm";
case 6:
return "Wearable";
}
break;
case 2: /* phone */
switch(minor) {
case 0:
return "Uncategorized";
case 1:
return "Cellular";
case 2:
return "Cordless";
case 3:
return "Smart phone";
case 4:
return "Wired modem or voice gateway";
case 5:
return "Common ISDN Access";
case 6:
return "Sim Card Reader";
}
break;
case 3: /* lan access */
if (minor == 0)
return "Uncategorized";
switch(minor / 8) {
case 0:
return "Fully available";
case 1:
return "1-17% utilized";
case 2:
return "17-33% utilized";
case 3:
return "33-50% utilized";
case 4:
return "50-67% utilized";
case 5:
return "67-83% utilized";
case 6:
return "83-99% utilized";
case 7:
return "No service available";
}
break;
case 4: /* audio/video */
switch(minor) {
case 0:
return "Uncategorized";
case 1:
return "Device conforms to the Headset profile";
case 2:
return "Hands-free";
/* 3 is reserved */
case 4:
return "Microphone";
case 5:
return "Loudspeaker";
case 6:
return "Headphones";
case 7:
return "Portable Audio";
case 8:
return "Car Audio";
case 9:
return "Set-top box";
case 10:
return "HiFi Audio Device";
case 11:
return "VCR";
case 12:
return "Video Camera";
case 13:
return "Camcorder";
case 14:
return "Video Monitor";
case 15:
return "Video Display and Loudspeaker";
case 16:
return "Video Conferencing";
/* 17 is reserved */
case 18:
return "Gaming/Toy";
}
break;
case 5: /* peripheral */ {
static char cls_str[48]; cls_str[0] = 0;
switch(minor & 48) {
case 16:
strncpy(cls_str, "Keyboard", sizeof(cls_str));
break;
case 32:
strncpy(cls_str, "Pointing device", sizeof(cls_str));
break;
case 48:
strncpy(cls_str, "Combo keyboard/pointing device", sizeof(cls_str));
break;
}
if((minor & 15) && (strlen(cls_str) > 0))
strcat(cls_str, "/");
switch(minor & 15) {
case 0:
break;
case 1:
strncat(cls_str, "Joystick", sizeof(cls_str) - strlen(cls_str));
break;
case 2:
strncat(cls_str, "Gamepad", sizeof(cls_str) - strlen(cls_str));
break;
case 3:
strncat(cls_str, "Remote control", sizeof(cls_str) - strlen(cls_str));
break;
case 4:
strncat(cls_str, "Sensing device", sizeof(cls_str) - strlen(cls_str));
break;
case 5:
strncat(cls_str, "Digitizer tablet", sizeof(cls_str) - strlen(cls_str));
break;
case 6:
strncat(cls_str, "Card reader", sizeof(cls_str) - strlen(cls_str));
break;
default:
strncat(cls_str, "(reserved)", sizeof(cls_str) - strlen(cls_str));
break;
}
if(strlen(cls_str) > 0)
return cls_str;
}
case 6: /* imaging */
if (minor & 4)
return "Display";
if (minor & 8)
return "Camera";
if (minor & 16)
return "Scanner";
if (minor & 32)
return "Printer";
break;
case 7: /* wearable */
switch(minor) {
case 1:
return "Wrist Watch";
case 2:
return "Pager";
case 3:
return "Jacket";
case 4:
return "Helmet";
case 5:
return "Glasses";
}
break;
case 8: /* toy */
switch(minor) {
case 1:
return "Robot";
case 2:
return "Vehicle";
case 3:
return "Doll / Action Figure";
case 4:
return "Controller";
case 5:
return "Game";
}
break;
case 63: /* uncategorised */
return "";
}
return "Unknown (reserved) minor device class";
}
static char *major_classes[] = {
"Miscellaneous", "Computer", "Phone", "LAN Access",
"Audio/Video", "Peripheral", "Imaging", "Uncategorized"
};
/* Used from Data_Wrap_Stuct to mark values */
void rzadapter_mark(rzadapter_t* self)
{
rb_gc_mark(self->dev_id);
rb_gc_mark(self->sock_id);
rb_gc_mark(self->handle);
}
/* Used from Data_Wrap_Stuct to free the memory */
void rzadapter_free(rzadapter_t* self)
{
free(self);
}
void rzconn_mark(rzconn_t* self)
{
rb_gc_mark(self->handle);
}
void rzconn_free(rzconn_t* self)
{
free(self);
}
/*
* Document-method: new
*
* Find the first available adapter and open
*/
VALUE bz_hci_init(VALUE klass)
{
rzadapter_t *rza = malloc(sizeof(rzadapter_t));
rza->dev_id = hci_get_route(NULL);
rza->sock_id = hci_open_dev(rza->dev_id);
if (rza->dev_id < 0 || rza->sock_id < 0)
return Qnil;
return Data_Wrap_Struct(klass, rzadapter_mark, rzadapter_free, rza);
}
/*
* Document-method: hci_scan
* Used to scan an area and return an array with hashes
* for each host finded example:
*
* bt = Hci.new
* for r in bt.hci_scan
* puts r[:dev_class]
* puts r[:bdaddr]
* end
* bt.hci_close
*/
VALUE bz_hci_inquiry(VALUE klass)
{
rzadapter_t* rza;
inquiry_info *ii;
int max_rsp, num_rsp;
int i, len, flags;
char addr[19] = { 0 };
char *dev_class = bt_malloc(32);
if (!dev_class)
return Qnil;
Data_Get_Struct(klass, rzadapter_t, rza);
len = 8;
max_rsp = 256;
flags = IREQ_CACHE_FLUSH;
ii = (inquiry_info*)malloc(max_rsp * sizeof(inquiry_info));
num_rsp = hci_inquiry(rza->dev_id, len, max_rsp, NULL, &ii, flags);
if(num_rsp < 0)
return Qnil;
VALUE remote_devices = rb_ary_new2(num_rsp);
for(i = 0; i < num_rsp; i++) {
ba2str(&(ii+i)->bdaddr, addr);
VALUE dev_remote = rb_hash_new();
rb_hash_aset(dev_remote, rb_str_new2("bdaddr"), rb_str_new2(addr));
sprintf(dev_class, "%s, %s", major_classes[(ii+i)->dev_class[1] & 0x1f],
get_minor_device_name((ii+i)->dev_class[1] & 0x1f, (ii+i)->dev_class[0] >> 2));
/*
* sprintf(dev_class, "0x%2.2x%2.2x%2.2x", (ii+i)->dev_class[2],
* (ii+i)->dev_class[1], (ii+i)->dev_class[0]);
*/
rb_hash_aset(dev_remote, rb_str_new2("dev_class"), rb_str_new2(dev_class));
rb_ary_push(remote_devices, dev_remote);
}
return remote_devices;
}
/*
* Document-method: hci_local_name
* hci_local_name gets local adapter name
* bt = Hci.new
* puts bt.hci_local_name
* bt.hci_close
*
*/
VALUE bz_hci_local_name(VALUE klass)
{
rzadapter_t* rza;
char name[32] = { 0 };
Data_Get_Struct(klass, rzadapter_t, rza);
memset(name, 0, sizeof(name));
if(hci_read_local_name(rza->sock_id, 8, name, 0) < 0)
return Qnil;
return rb_str_new2(name);
}
/*
* Document-method: hci_local_bdaddr
* hci_local_name gets local adapter bdaddr
* bt = Hci.new
* puts bt.hci_local_bdaddr
* bt.hci_close
*
*/
VALUE bz_hci_local_bdaddr(VALUE klass)
{
rzadapter_t* rza;
bdaddr_t bdaddr;
char addr[19] = { 0 };
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_devba(rza->dev_id, &bdaddr) < 0)
return Qnil;
ba2str(&bdaddr, addr);
return rb_str_new2(addr);
}
/*
* Document-method: hci_local_cod
* hci_local_name gets local adapter class of device
* bt = Hci.new
* puts bt.hci_local_cod
* bt.hci_close
*
*/
VALUE bz_hci_local_cod(VALUE klass)
{
rzadapter_t* rza;
char *dev_class = bt_malloc(32);
uint8_t cls[3];
if (!dev_class)
return Qnil;
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_read_class_of_dev(rza->sock_id, cls, 0) < 0)
return Qnil;
sprintf(dev_class, "%s, %s", major_classes[cls[1] & 0x1f],
get_minor_device_name(cls[1] & 0x1f, cls[0] >> 2));
return rb_str_new2(dev_class);
}
/*
* Document-method: hci_set_local_cod
* call-seq: hci_set_local_cod(COD_CONSTANT)
*
* hci_set_local_cod accept one param that is one of the
* CoD constants, example:
*
* bt = Hci.new
* bt.hci_set_local_cod(COD_PHONE_CORDLESS)
* puts bt.hci_local_cod
* bt.hci_close
*
*/
VALUE bz_hci_write_local_cod(VALUE klass, VALUE cod)
{
rzadapter_t* rza;
uint32_t cls;
if(TYPE(cod) == T_STRING && TYPE(cod) != T_NIL) {
if(RSTRING(cod)->len == 6) {
/*
* THIS METHOD NEEDS MORE CONTROLS
*/
cls = strtoul(RSTRING(cod)->ptr, NULL, 16);
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_write_class_of_dev(rza->sock_id, cls, 2000) < 0)
return Qnil;
return Qtrue;
} else {
rb_raise(rb_eArgError, "value length must be 6");
return Qnil;
}
} else {
rb_raise(rb_eTypeError, "not valid value");
return Qnil;
}
}
/*
* Document-method: hci_remote_name
* call-seq: hci_remote_name(bdaddr)
*
* hci_remote_name accept one param that is a bdaddr
* and return remote bluetooth name
*
* bt = Hci.new
* puts bt.hci_remote_name("00:11:22:33:44:55")
* bt.hci_close
*
*/
VALUE bz_hci_remote_name(VALUE klass, VALUE str)
{
rzadapter_t* rza;
char name[32] = { 0 };
bdaddr_t addr;
if(TYPE(str) == T_STRING && TYPE(str) != T_NIL) {
Data_Get_Struct(klass, rzadapter_t, rza);
str2ba(RSTRING(str)->ptr, &addr);
memset(name, 0, sizeof(name));
if(hci_read_remote_name(rza->sock_id, &addr, sizeof(name), name, 0) < 0)
return Qnil;
return rb_str_new2(name);
} else {
rb_raise(rb_eTypeError, "not valid value");
return Qnil;
}
}
/*
* Document-method: hci_set_local_name
* call-seq: hci_set_local_name(name)
*
* hci_set_local_name accept one param that is a name
*
* bt = Hci.new
* puts bt.hci_set_local_name("myname")
* bt.hci_close
*
*/
VALUE bz_hci_write_local_name(VALUE klass, VALUE str)
{
rzadapter_t* rza;
if(TYPE(str) == T_STRING && TYPE(str) != T_NIL) {
if(RSTRING(str)->len < 18) {
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_write_local_name(rza->sock_id, RSTRING(str)->ptr, 0) < 0)
return Qnil;
return rb_str_new2(RSTRING(str)->ptr);
} else {
rb_raise(rb_eArgError, "string length must be > 0 < 16");
return Qnil;
}
} else {
rb_raise(rb_eTypeError, "not valid value");
return Qnil;
}
}
/*
* Document-method: hci_connect
* call-seq: hci_connect(bdaddr)
*
* hci_connect establish a connection with a remote bluetooth host
* this function needs just the a remote bdaddr
*
* bt = Hci.new
* bt.hci_connect("00:11:22:33:44:55")
* bt.hci_disconnect
* bt.hci_close
*
*/
VALUE bz_hci_connect(VALUE klass, VALUE rb_bdaddr)
{
bdaddr_t bd_addr;
rzadapter_t* rza;
struct hci_dev_info di;
str2ba(RSTRING(rb_bdaddr)->ptr, &bd_addr);
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_devinfo(rza->dev_id, &di) < 0) {
return Qnil;
}
if (hci_create_connection(rza->sock_id, &bd_addr,
htobs(di.pkt_type & ACL_PTYPE_MASK),
0, 0x01, &rza->handle, 25000) < 0) {
close(rza->sock_id);
return Qnil;
}
return INT2NUM(0);
}
VALUE bz_hci_remote_version(VALUE klass)
{
char *version_str = bt_malloc(1024);
rzadapter_t* rza;
struct hci_version version;
Data_Get_Struct(klass, rzadapter_t, rza);
if (hci_read_remote_version(rza->sock_id, rza->handle, &version, 20000) == 0) {
char *ver = lmp_vertostr(version.lmp_ver);
sprintf(version_str, "\tLMP Version: %s (0x%x) LMP Subversion: 0x%x\n"
"\tManufacturer: %s (%d)\n",
ver ? ver : "n/a",
version.lmp_ver,
version.lmp_subver,
bt_compidtostr(version.manufacturer),
version.manufacturer);
if (ver)
bt_free(ver);
}
return rb_str_new2(version_str);
}
VALUE bz_hci_link_quality(VALUE klass)
{
uint8_t lq;
rzadapter_t* rza;
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_read_link_quality(rza->sock_id, rza->handle, &lq, 1000) < 0) {
rb_raise(rb_eException, "hci_read_link_quality error");
return Qnil;
}
return INT2FIX(lq);
}
VALUE bz_hci_auth_link(VALUE klass)
{
rzadapter_t* rza;
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_authenticate_link(rza->sock_id, rza->handle, 25000) < 0) {
rb_raise(rb_eException, "hci_authenticate_link error");
return Qnil;
}
return INT2FIX(0);
}
VALUE bz_hci_read_tpl(VALUE klass, VALUE rbtype)
{
rzadapter_t* rza;
uint8_t type;
int8_t level;
if(TYPE(rbtype) != T_FIXNUM) {
rb_raise(rb_eTypeError, "not valid value");
}
if(TYPE(rbtype) == T_NIL) {
type = 0;
} else {
type = FIX2INT(rbtype);
}
/*
if(type != 0 || type != 1) {
rb_raise(rb_eArgError, "type must be 0 or 1");
}
*/
Data_Get_Struct(klass, rzadapter_t, rza);
if (hci_read_transmit_power_level(rza->sock_id, rza->handle, type, &level, 1000) < 0) {
rb_raise(rb_eException, "hci_read_transmit_power_level error");
return Qnil;
}
return INT2FIX(level);
}
VALUE bz_hci_disconnect(VALUE klass)
{
rzadapter_t* rza;
Data_Get_Struct(klass, rzadapter_t, rza);
if(hci_disconnect(rza->sock_id, rza->handle, HCI_OE_USER_ENDED_CONNECTION, 10000) < 0) {
rb_raise(rb_eScriptError, "Error on closing");
return Qnil;
}
return INT2NUM(0);
}
VALUE bz_hci_close(VALUE klass)
{
rzadapter_t* rza;
Data_Get_Struct(klass, rzadapter_t, rza);
return INT2FIX(close(rza->sock_id));
}
/* SOCKET FUNCTIONS */
static int ruby_socket(int domain, int type, int proto)
{
int fd;
fd = socket(domain, type, proto);
if (fd < 0) {
if (errno == EMFILE || errno == ENFILE) {
rb_gc();
fd = socket(domain, type, proto);
}
}
return fd;
}
static VALUE init_sock(VALUE sock, int fd)
{
OpenFile *fp;
MakeOpenFile(sock, fp);
fp->f = rb_fdopen(fd, "r");
fp->f2 = rb_fdopen(fd, "w");
fp->mode = FMODE_READWRITE;
rb_io_synchronized(fp);
return sock;
}
static int wait_connectable(int fd)
{
int sockerr;
socklen_t sockerrlen;
fd_set fds_w;
fd_set fds_e;
for (;;) {
FD_ZERO(&fds_w);
FD_ZERO(&fds_e);
FD_SET(fd, &fds_w);
FD_SET(fd, &fds_e);
rb_thread_select(fd+1, 0, &fds_w, &fds_e, 0);
if (FD_ISSET(fd, &fds_w)) {
return 0;
}
else if (FD_ISSET(fd, &fds_e)) {
sockerrlen = sizeof(sockerr);
if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr,
&sockerrlen) == 0) {
if (sockerr == 0)
continue; /* workaround for winsock */
errno = sockerr;
}
return -1;
}
}
return 0;
}
/* RFCOMM FUNCTIONS */
/*
* Document-method: new
* Doing Rfcomm.new you start the socket and register it.
*/
static VALUE bz_rfcomm_init(VALUE sock)
{
int fd;
rb_secure(3);
fd = ruby_socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (fd < 0) rb_sys_fail("socket(2)");
return init_sock(sock, fd);
}
static VALUE bz_rfcomm_bind(VALUE sock)
{
OpenFile *fptr;
struct sockaddr_rc loc_addr = {};
loc_addr.rc_family = AF_BLUETOOTH;
loc_addr.rc_bdaddr = *BDADDR_ANY;
loc_addr.rc_channel = (uint8_t) 1;
GetOpenFile(sock, fptr);
if (bind(fileno(fptr->f), (struct sockaddr*)&loc_addr, sizeof(loc_addr)) < 0)
rb_sys_fail("bind(2)");
return INT2FIX(0);
}
static VALUE bz_rfcomm_listen(VALUE sock, VALUE log)
{
OpenFile *fptr;
rb_secure(4);
GetOpenFile(sock, fptr);
if (listen(fileno(fptr->f), NUM2INT(log)) < 0)
rb_sys_fail("listen(2)");
return INT2FIX(0);
}
static VALUE s_accept(klass, fd, sockaddr, len)
VALUE klass;
int fd;
struct sockaddr *sockaddr;
socklen_t len;
{
int fd2;
int retry = 0;
rb_secure(3);
retry:
rb_thread_wait_fd(fd);
#if defined(_nec_ews)
fd2 = accept(fd, sockaddr, len);
#else
TRAP_BEG;
fd2 = accept(fd, sockaddr, &len);
TRAP_END;
#endif
if (fd2 < 0) {
switch (errno) {
case EMFILE:
case ENFILE:
if (retry) break;
rb_gc();
retry = 1;
goto retry;
case EWOULDBLOCK:
break;
default:
if (!rb_io_wait_readable(fd)) break;
retry = 0;
goto retry;
}
rb_sys_fail(0);
}
if (!klass) return INT2NUM(fd2);
return init_sock(rb_obj_alloc(klass), fd2);
}
static VALUE bz_rfcomm_accept(VALUE sock)
{
OpenFile *fptr;
VALUE sock2;
struct sockaddr_rc rem_addr;
char addr[19] = { 0 };
GetOpenFile(sock, fptr);
sock2 = s_accept(rb_cRfcomm,fileno(fptr->f), (struct sockaddr *)&rem_addr, sizeof(rem_addr));
ba2str(&rem_addr.rc_bdaddr, addr);
return rb_assoc_new(sock2, rb_str_new2(addr));
}
static VALUE s_recvfrom(VALUE sock, int argc, VALUE *argv)
{
OpenFile *fptr;
VALUE str;
char buf[1024];
socklen_t alen = sizeof buf;
VALUE len, flg;
long buflen;
long slen;
int fd, flags;
rb_scan_args(argc, argv, "11", &len, &flg);
if (flg == Qnil) flags = 0;
else flags = NUM2INT(flg);
buflen = NUM2INT(len);
GetOpenFile(sock, fptr);
if (rb_read_pending(fptr->f)) {
rb_raise(rb_eIOError, "recv for buffered IO");
}
fd = fileno(fptr->f);
str = rb_tainted_str_new(0, buflen);
retry:
rb_str_locktmp(str);
rb_thread_wait_fd(fd);
TRAP_BEG;
slen = recvfrom(fd, RSTRING(str)->ptr, buflen, flags, (struct sockaddr*)buf, &alen);
TRAP_END;
rb_str_unlocktmp(str);
if (slen < 0) {
if (rb_io_wait_readable(fd)) {
goto retry;
}
rb_sys_fail("recvfrom(2)");
}
if (slen < RSTRING(str)->len) {
RSTRING(str)->len = slen;
RSTRING(str)->ptr[slen] = '\0';
}
rb_obj_taint(str);
return (VALUE)str;
}
static VALUE bz_rfcomm_recv(VALUE argc, VALUE *argv, VALUE sock)
{
return s_recvfrom(sock, argc, argv);
}
static VALUE bz_rfcomm_send(VALUE argc, VALUE *argv, VALUE sock)
{
VALUE mesg, to;
VALUE flags;
OpenFile *fptr;
FILE *f;
int fd, n;
rb_secure(4);
rb_scan_args(argc, argv, "21", &mesg, &flags, &to);
StringValue(mesg);
if (!NIL_P(to)) StringValue(to);
GetOpenFile(sock, fptr);
f = GetWriteFile(fptr);
fd = fileno(f);
rb_thread_fd_writable(fd);
retry:
TRAP_BEG;
n = send(fd, RSTRING(mesg)->ptr, RSTRING(mesg)->len, NUM2INT(flags));
TRAP_END;
if (n < 0) {
if (rb_io_wait_writable(fd)) {
goto retry;
}
rb_sys_fail("send(2)");
}
return INT2FIX(n);
}
static int
ruby_connect(fd, sockaddr, len, socks)
int fd;
struct sockaddr *sockaddr;
int len;
int socks;
{
int status;
int mode;
status = connect(fd, sockaddr, len);
usleep(20000);
return status;
#if WAIT_IN_PROGRESS > 0
int wait_in_progress = -1;
int sockerr;
socklen_t sockerrlen;
#endif
#if defined(HAVE_FCNTL)
# if defined(F_GETFL)
mode = fcntl(fd, F_GETFL, 0);
# else
mode = 0;
# endif
# endif
#ifdef O_NDELAY
# define NONBLOCKING O_NDELAY
#else
#ifdef O_NBIO
# define NONBLOCKING O_NBIO
#else
# define NONBLOCKING O_NONBLOCK
#endif
#endif
fcntl(fd, F_SETFL, mode|NONBLOCKING);
for (;;) {
if (socks) {
status = Rconnect(fd, sockaddr, len);
}
else
{
status = connect(fd, sockaddr, len);
}
if (status < 0) {
switch (errno) {
case EAGAIN:
#ifdef EINPROGRESS
case EINPROGRESS:
#endif
#if WAIT_IN_PROGRESS > 0
sockerrlen = sizeof(sockerr);
status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen);
if (status) break;
if (sockerr) {
status = -1;
errno = sockerr;
break;
}
#endif
#ifdef EALREADY
case EALREADY:
#endif
#if WAIT_IN_PROGRESS > 0
wait_in_progress = WAIT_IN_PROGRESS;
#endif
status = wait_connectable(fd);
if (status) {