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UDP support for connect.

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This commit is contained in:
Philip Homburg 2005-08-01 14:43:21 +00:00
parent 537d7ddcdf
commit e9ebecdd17
1 changed files with 51 additions and 16 deletions
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67
lib/ip/connect.c
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@ -15,12 +15,15 @@
static int _tcp_connect(int socket, const struct sockaddr *address,
socklen_t address_len, nwio_tcpconf_t *tcpconfp);
static int _udp_connect(int socket, const struct sockaddr *address,
socklen_t address_len, nwio_udpopt_t *udpoptp);
int connect(int socket, const struct sockaddr *address,
socklen_t address_len)
{
int r;
nwio_tcpconf_t tcpconf;
nwio_udpopt_t udpopt;
r= ioctl(socket, NWIOGTCPCONF, &tcpconf);
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
@ -32,6 +35,17 @@ int connect(int socket, const struct sockaddr *address,
}
return _tcp_connect(socket, address, address_len, &tcpconf);
}
r= ioctl(socket, NWIOGUDPOPT, &udpopt);
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
{
if (r == -1)
{
/* Bad file descriptor */
return -1;
}
return _udp_connect(socket, address, address_len, &udpopt);
}
#if DEBUG
fprintf(stderr, "connect: not implemented for fd %d\n", socket);
#endif
@ -65,26 +79,47 @@ static int _tcp_connect(int socket, const struct sockaddr *address,
tcpconf.nwtc_remport= sinp->sin_port;
if (ioctl(socket, NWIOSTCPCONF, &tcpconf) == -1)
{
int t_errno= errno;
fprintf(stderr, "connect(tcp) failed: %s\n", strerror(errno));
errno= t_errno;
return -1;
}
tcpcl.nwtcl_flags= 0;
r= ioctl(socket, NWIOTCPCONN, &tcpcl);
if (r == -1)
{
int t_errno= errno;
fprintf(stderr, "connect(tcp) failed: %s\n", strerror(errno));
errno= t_errno;
}
return r;
}
static int _udp_connect(int socket, const struct sockaddr *address,
socklen_t address_len, nwio_udpopt_t *udpoptp)
{
int r;
struct sockaddr_in *sinp;
nwio_udpopt_t udpopt;
if (address == NULL)
{
/* Unset remote address */
udpopt.nwuo_flags= NWUO_RP_ANY | NWUO_RA_ANY;
r= ioctl(socket, NWIOSUDPOPT, &udpopt);
return r;
}
if (address_len != sizeof(*sinp))
{
errno= EINVAL;
return -1;
}
sinp= (struct sockaddr_in *)address;
if (sinp->sin_family != AF_INET)
{
errno= EINVAL;
return -1;
}
udpopt.nwuo_flags= NWUO_RP_SET | NWUO_RA_SET;
if ((udpoptp->nwuo_flags & NWUO_LOCPORT_MASK) == NWUO_LP_ANY)
udpopt.nwuo_flags |= NWUO_LP_SEL;
udpopt.nwuo_remaddr= sinp->sin_addr.s_addr;
udpopt.nwuo_remport= sinp->sin_port;
r= ioctl(socket, NWIOSUDPOPT, &udpopt) == -1)
return r;
}