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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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4
CHANGELOG
View File

@ -22,6 +22,10 @@ HISTORY
* [Enter new changes just after this line - do not remove this line]
++ New features:
2007-03-06 Frédéric Bernon
* api.h, api_lib.c, sockets.h, sockets.c, tcpip.c, sys.h, sys.c, err.h:
Implement SO_RCVTIMEO on UDP sockets/netconn.
2007-02-28 Kieran Mansley (based on patch from Simon Goldschmidt)
* api_lib.c, tcpip.c, memp.c, memp.h: make API msg structs allocated

47
src/api/api_lib.c
View File

@ -224,16 +224,17 @@ netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto,
memp_free(MEMP_NETCONN, conn);
return NULL;
}
conn->state = NETCONN_NONE;
conn->socket = 0;
conn->callback = callback;
conn->recv_avail = 0;
conn->state = NETCONN_NONE;
conn->socket = 0;
conn->recv_timeout = 0;
conn->callback = callback;
conn->recv_avail = 0;
msg.type = API_MSG_NEWCONN;
msg.msg.msg.bc.port = proto; /* misusing the port field */
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
if ( conn->err != ERR_OK ) {
memp_free(MEMP_NETCONN, conn);
@ -271,7 +272,7 @@ netconn_delete(struct netconn *conn)
msg.type = API_MSG_DELCONN;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
/* Drain the recvmbox. */
if (conn->recvmbox != SYS_MBOX_NULL) {
@ -386,7 +387,7 @@ netconn_bind(struct netconn *conn, struct ip_addr *addr,
msg.msg.msg.bc.ipaddr = addr;
msg.msg.msg.bc.port = port;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
return conn->err;
}
@ -413,7 +414,7 @@ netconn_connect(struct netconn *conn, struct ip_addr *addr,
msg.msg.msg.bc.ipaddr = addr;
msg.msg.msg.bc.port = port;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
return conn->err;
}
@ -429,7 +430,7 @@ netconn_disconnect(struct netconn *conn)
msg.type = API_MSG_DISCONNECT;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
return conn->err;
}
@ -453,7 +454,7 @@ netconn_listen(struct netconn *conn)
msg.type = API_MSG_LISTEN;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
return conn->err;
}
@ -466,7 +467,7 @@ netconn_accept(struct netconn *conn)
return NULL;
}
sys_mbox_fetch(conn->acceptmbox, (void *)&newconn);
sys_mbox_fetch(conn->acceptmbox, (void *)&newconn, 0);
/* Register event with callback */
if (conn->callback)
(*conn->callback)(conn, NETCONN_EVT_RCVMINUS, 0);
@ -481,7 +482,7 @@ netconn_recv(struct netconn *conn)
struct netbuf *buf = NULL;
struct pbuf *p;
u16_t len;
if (conn == NULL) {
return NULL;
}
@ -509,7 +510,7 @@ netconn_recv(struct netconn *conn)
return NULL;
}
sys_mbox_fetch(conn->recvmbox, (void *)&p);
sys_mbox_fetch(conn->recvmbox, (void *)&p, 0);
if (p != NULL)
{
@ -547,13 +548,15 @@ netconn_recv(struct netconn *conn)
}
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
} else {
sys_mbox_fetch(conn->recvmbox, (void *)&buf);
conn->recv_avail -= buf->p->tot_len;
/* Register event with callback */
if (conn->callback)
(*conn->callback)(conn, NETCONN_EVT_RCVMINUS, buf->p->tot_len);
sys_mbox_fetch(conn->recvmbox, (void *)&buf, conn->recv_timeout);
if (buf!=NULL)
{ conn->recv_avail -= buf->p->tot_len;
/* Register event with callback */
if (conn->callback)
(*conn->callback)(conn, NETCONN_EVT_RCVMINUS, buf->p->tot_len);
}
}
@ -584,7 +587,7 @@ netconn_send(struct netconn *conn, struct netbuf *buf)
msg.msg.msg.p = buf->p;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
return conn->err;
}
@ -632,7 +635,7 @@ netconn_write(struct netconn *conn, void *dataptr, u16_t size, u8_t copy)
LWIP_DEBUGF(API_LIB_DEBUG, ("netconn_write: writing %d bytes (%d)\n", len, copy));
msg.msg.msg.w.len = len;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
if (conn->err == ERR_OK) {
dataptr = (void *)((u8_t *)dataptr + len);
size -= len;
@ -663,7 +666,7 @@ netconn_close(struct netconn *conn)
msg.type = API_MSG_CLOSE;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL);
sys_mbox_fetch(conn->mbox, NULL, 0);
if (conn->err == ERR_MEM &&
conn->sem != SYS_SEM_NULL) {
sys_sem_wait(conn->sem);

141
src/api/sockets.c
View File

@ -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;
}

2
src/api/tcpip.c
View File

@ -156,7 +156,7 @@ tcpip_thread(void *arg)
}
while (1) { /* MAIN Loop */
sys_mbox_fetch(mbox, (void *)&msg);
sys_mbox_fetch(mbox, (void *)&msg, 0);
switch (msg->type) {
case TCPIP_MSG_API:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));

6
src/core/sys.c
View File

@ -46,7 +46,7 @@ struct sswt_cb
void
sys_mbox_fetch(sys_mbox_t mbox, void **msg)
sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
{
u32_t time;
struct sys_timeouts *timeouts;
@ -59,7 +59,7 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg)
timeouts = sys_arch_timeouts();
if (!timeouts || !timeouts->next) {
sys_arch_mbox_fetch(mbox, msg, 0);
sys_arch_mbox_fetch(mbox, msg, timeout);
} else {
if (timeouts->next->time > 0) {
time = sys_arch_mbox_fetch(mbox, msg, timeouts->next->time);
@ -78,7 +78,7 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg)
memp_free(MEMP_SYS_TIMEOUT, tmptimeout);
if (h != NULL) {
LWIP_DEBUGF(SYS_DEBUG, ("smf calling h=%p(%p)\n", (void *)h, (void *)arg));
h(arg);
h(arg);
}
/* We try again to fetch a message from the mbox. */

1
src/include/lwip/api.h
View File

@ -92,6 +92,7 @@ struct netconn {
sys_mbox_t acceptmbox;
sys_sem_t sem;
int socket;
int recv_timeout;
u16_t recv_avail;
void (* callback)(struct netconn *, enum netconn_evt, u16_t len);
};

28
src/include/lwip/err.h
View File

@ -40,26 +40,28 @@ typedef s8_t err_t;
/* Definitions for error constants. */
#define ERR_OK 0 /* No error, everything OK. */
#define ERR_MEM -1 /* Out of memory error. */
#define ERR_BUF -2 /* Buffer error. */
#define ERR_OK 0 /* No error, everything OK. */
#define ERR_MEM -1 /* Out of memory error. */
#define ERR_BUF -2 /* Buffer error. */
#define ERR_ABRT -3 /* Connection aborted. */
#define ERR_RST -4 /* Connection reset. */
#define ERR_CLSD -5 /* Connection closed. */
#define ERR_CONN -6 /* Not connected. */
#define ERR_ABRT -3 /* Connection aborted. */
#define ERR_RST -4 /* Connection reset. */
#define ERR_CLSD -5 /* Connection closed. */
#define ERR_CONN -6 /* Not connected. */
#define ERR_VAL -7 /* Illegal value. */
#define ERR_VAL -7 /* Illegal value. */
#define ERR_ARG -8 /* Illegal argument. */
#define ERR_ARG -8 /* Illegal argument. */
#define ERR_RTE -9 /* Routing problem. */
#define ERR_RTE -9 /* Routing problem. */
#define ERR_USE -10 /* Address in use. */
#define ERR_USE -10 /* Address in use. */
#define ERR_IF -11 /* Low-level netif error */
#define ERR_ISCONN -12 /* Already connected. */
#define ERR_IF -11 /* Low-level netif error */
#define ERR_ISCONN -12 /* Already connected. */
#define ERR_TIMEOUT -13 /* Timeout. */
#ifdef LWIP_DEBUG

2
src/include/lwip/sockets.h
View File

@ -87,7 +87,7 @@ struct sockaddr {
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_ERROR 0x1007 /* get error status and clear */
#define SO_TYPE 0x1008 /* get socket type */
#define SO_CONTIMEO 0x1009 /* connect timeout */
/*

4
src/include/lwip/sys.h
View File

@ -53,7 +53,7 @@ struct sys_timeo {u8_t dummy;};
#define sys_sem_wait(s)
#define sys_sem_free(s)
#define sys_mbox_new() 0
#define sys_mbox_fetch(m,d)
#define sys_mbox_fetch(m,d,t)
#define sys_mbox_post(m,d)
#define sys_mbox_free(m)
@ -116,7 +116,7 @@ sys_mbox_t sys_mbox_new(void);
void sys_mbox_post(sys_mbox_t mbox, void *msg);
u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout);
void sys_mbox_free(sys_mbox_t mbox);
void sys_mbox_fetch(sys_mbox_t mbox, void **msg);
void sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout);
/* Thread functions. */