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Implement SO_RCVTIMEO on UDP sockets/netconn.

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This commit is contained in:
fbernon
2007-03-06 16:41:02 +00:00
parent 874bfe19d2
commit 7fd37d4e87
9 changed files with 129 additions and 106 deletions
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141
src/api/sockets.c
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@@ -73,18 +73,21 @@ static sys_sem_t selectsem = 0;
static void
event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len);
static int err_to_errno_table[11] = {
0, /* ERR_OK 0 No error, everything OK. */
ENOMEM, /* ERR_MEM -1 Out of memory error. */
ENOBUFS, /* ERR_BUF -2 Buffer error. */
ECONNABORTED, /* ERR_ABRT -3 Connection aborted. */
ECONNRESET, /* ERR_RST -4 Connection reset. */
ESHUTDOWN, /* ERR_CLSD -5 Connection closed. */
ENOTCONN, /* ERR_CONN -6 Not connected. */
EINVAL, /* ERR_VAL -7 Illegal value. */
EIO, /* ERR_ARG -8 Illegal argument. */
EHOSTUNREACH, /* ERR_RTE -9 Routing problem. */
EADDRINUSE /* ERR_USE -10 Address in use. */
static int err_to_errno_table[] = {
0, /* ERR_OK 0 No error, everything OK. */
ENOMEM, /* ERR_MEM -1 Out of memory error. */
ENOBUFS, /* ERR_BUF -2 Buffer error. */
ECONNABORTED, /* ERR_ABRT -3 Connection aborted. */
ECONNRESET, /* ERR_RST -4 Connection reset. */
ESHUTDOWN, /* ERR_CLSD -5 Connection closed. */
ENOTCONN, /* ERR_CONN -6 Not connected. */
EINVAL, /* ERR_VAL -7 Illegal value. */
EIO, /* ERR_ARG -8 Illegal argument. */
EHOSTUNREACH, /* ERR_RTE -9 Routing problem. */
EADDRINUSE, /* ERR_USE -10 Address in use. */
-1, /* ERR_IF -11 Low-level netif error */
-1, /* ERR_ISCONN -12 Already connected. */
ETIMEDOUT /* ERR_TIMEOUT -13 Timeout */
};
#define ERR_TO_ERRNO_TABLE_SIZE \
@@ -146,13 +149,13 @@ alloc_socket(struct netconn *newconn)
/* allocate a new socket identifier */
for(i = 0; i < NUM_SOCKETS; ++i) {
if (!sockets[i].conn) {
sockets[i].conn = newconn;
sockets[i].lastdata = NULL;
sockets[i].conn = newconn;
sockets[i].lastdata = NULL;
sockets[i].lastoffset = 0;
sockets[i].rcvevent = 0;
sockets[i].sendevent = 1; /* TCP send buf is empty */
sockets[i].flags = 0;
sockets[i].err = 0;
sockets[i].rcvevent = 0;
sockets[i].sendevent = 1; /* TCP send buf is empty */
sockets[i].flags = 0;
sockets[i].err = 0;
sys_sem_signal(socksem);
return i;
}
@@ -349,10 +352,10 @@ lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
struct sockaddr *from, socklen_t *fromlen)
{
struct lwip_socket *sock;
struct netbuf *buf;
u16_t buflen, copylen;
struct ip_addr *addr;
u16_t port;
struct netbuf *buf;
u16_t buflen, copylen;
struct ip_addr *addr;
u16_t port;
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d, %p, %d, 0x%x, ..)\n", s, mem, len, flags));
@@ -364,44 +367,43 @@ lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
/* Check if there is data left from the last recv operation. */
if (sock->lastdata) {
buf = sock->lastdata;
} else {
/* If this is non-blocking call, then check first */
if (((flags & MSG_DONTWAIT) || (sock->flags & O_NONBLOCK))
&& !sock->rcvevent)
{
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s));
sock_set_errno(sock, EWOULDBLOCK);
return -1;
}
/* No data was left from the previous operation, so we try to get
some from the network. */
buf = netconn_recv(sock->conn);
if (!buf) {
/* We should really do some error checking here. */
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL!\n", s));
sock_set_errno(sock, 0);
return 0;
}
}
buf = sock->lastdata;
} else {
/* If this is non-blocking call, then check first */
if (((flags & MSG_DONTWAIT) || (sock->flags & O_NONBLOCK)) && !sock->rcvevent)
{
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): returning EWOULDBLOCK\n", s));
sock_set_errno(sock, EWOULDBLOCK);
return -1;
}
/* No data was left from the previous operation, so we try to get
some from the network. */
buf = netconn_recv(sock->conn);
if (!buf) {
/* We should really do some error checking here. */
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL!\n", s));
sock_set_errno(sock, (sock->conn->type==NETCONN_UDP)?ETIMEDOUT:0);
return 0;
}
}
buflen = netbuf_len(buf);
buflen -= sock->lastoffset;
if (len > buflen) {
copylen = buflen;
} else {
copylen = len;
}
copylen = buflen;
} else {
copylen = len;
}
/* copy the contents of the received buffer into
the supplied memory pointer mem */
the supplied memory pointer mem */
netbuf_copy_partial(buf, mem, copylen, sock->lastoffset);
/* Check to see from where the data was. */
/* Check to see from where the data was.*/
if (from && fromlen) {
struct sockaddr_in sin;
@@ -527,7 +529,7 @@ lwip_sendto(int s, void *data, int size, unsigned int flags,
struct lwip_socket *sock;
struct ip_addr remote_addr, addr;
u16_t remote_port, port;
int ret,connected;
int err,connected;
sock = get_socket(s);
if (!sock) {
@@ -547,7 +549,7 @@ lwip_sendto(int s, void *data, int size, unsigned int flags,
netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
ret = lwip_send(s, data, size, flags);
err = lwip_send(s, data, size, flags);
/* reset the remote address and port number
of the connection */
@@ -555,7 +557,7 @@ lwip_sendto(int s, void *data, int size, unsigned int flags,
netconn_connect(sock->conn, &addr, port);
else
netconn_disconnect(sock->conn);
return ret;
return err;
}
int
@@ -632,7 +634,7 @@ lwip_selscan(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset)
if (p_sock && (p_sock->lastdata || p_sock->rcvevent))
{
FD_SET(i, &lreadset);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i));
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for reading\n", i));
nready++;
}
}
@@ -643,7 +645,7 @@ lwip_selscan(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset)
if (p_sock && p_sock->sendevent)
{
FD_SET(i, &lwriteset);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i));
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_selscan: fd=%d ready for writing\n", i));
nready++;
}
}
@@ -709,8 +711,8 @@ lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
if (exceptset)
FD_ZERO(exceptset);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n"));
set_errno(0);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: no timeout, returning 0\n"));
set_errno(0);
return 0;
}
@@ -765,8 +767,8 @@ lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
if (exceptset)
FD_ZERO(exceptset);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n"));
set_errno(0);
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_select: timeout expired\n"));
set_errno(0);
return 0;
}
@@ -972,7 +974,7 @@ int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *opt
struct lwip_socket *sock = get_socket(s);
if(!sock) {
set_errno(EBADF);
set_errno(EBADF);
return -1;
}
@@ -994,6 +996,8 @@ int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *opt
/* UNIMPL case SO_DONTROUTE: */
case SO_ERROR:
case SO_KEEPALIVE:
/* UNIMPL case SO_SNDTIMEO: */
case SO_RCVTIMEO:
/* UNIMPL case SO_OOBINLINE: */
/* UNIMPL case SO_RCVBUF: */
/* UNIMPL case SO_SNDBUF: */
@@ -1119,6 +1123,10 @@ int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *opt
sock->err = 0;
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n", s, *(int *)optval));
break;
case SO_RCVTIMEO:
*(int *)optval = sock->conn->recv_timeout;
break;
} /* switch */
break;
@@ -1162,7 +1170,7 @@ int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_
int err = 0;
if(!sock) {
set_errno(EBADF);
set_errno(EBADF);
return -1;
}
@@ -1183,6 +1191,8 @@ int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_
/* UNIMPL case SO_DEBUG: */
/* UNIMPL case SO_DONTROUTE: */
case SO_KEEPALIVE:
/* UNIMPL case case SO_SNDTIMEO: */
case SO_RCVTIMEO:
/* UNIMPL case SO_OOBINLINE: */
/* UNIMPL case SO_RCVBUF: */
/* UNIMPL case SO_SNDBUF: */
@@ -1282,6 +1292,9 @@ int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_
}
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n", s, optname, (*(int*)optval?"on":"off")));
break;
case SO_RCVTIMEO:
sock->conn->recv_timeout = ( *(int*)optval );
break;
} /* switch */
break;
@@ -1327,7 +1340,7 @@ int lwip_ioctl(int s, long cmd, void *argp)
struct lwip_socket *sock = get_socket(s);
if(!sock) {
set_errno(EBADF);
set_errno(EBADF);
return -1;
}