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Implement LWIP_SO_RCVTIMEO configuration option to enable/disable SO_RCVTIMEO on UDP sockets/netconn.

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This commit is contained in:
fbernon 2007-03-08 20:58:46 +00:00
parent a868832776
commit fdcb87db19
9 changed files with 126 additions and 52 deletions
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5
CHANGELOG
View File

@ -23,6 +23,11 @@ HISTORY
++ New features:
2007-03-08 Frédéric Bernon
* sockets.c, api.h, api_lib.c, tcpip.c, sys.h, sys.c, err.c, opt.h:
Implement LWIP_SO_RCVTIMEO configuration option to enable/disable SO_RCVTIMEO
on UDP sockets/netconn.
2007-03-08 Simon Goldschmidt
* snmp_msg.h, msg_in.c: SNMP UDP ports can be configured at compile time.

32
src/api/api_lib.c
View File

@ -226,7 +226,9 @@ netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto,
}
conn->state = NETCONN_NONE;
conn->socket = 0;
#if LWIP_SO_RCVTIMEO
conn->recv_timeout = 0;
#endif /* LWIP_SO_RCVTIMEO */
conn->callback = callback;
conn->recv_avail = 0;
@ -234,7 +236,7 @@ netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto,
msg.msg.msg.bc.port = proto; /* misusing the port field */
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
if ( conn->err != ERR_OK ) {
memp_free(MEMP_NETCONN, conn);
@ -272,7 +274,7 @@ netconn_delete(struct netconn *conn)
msg.type = API_MSG_DELCONN;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
/* Drain the recvmbox. */
if (conn->recvmbox != SYS_MBOX_NULL) {
@ -387,7 +389,7 @@ 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, 0);
sys_mbox_fetch(conn->mbox, NULL);
return conn->err;
}
@ -414,7 +416,7 @@ 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, 0);
sys_mbox_fetch(conn->mbox, NULL);
return conn->err;
}
@ -430,7 +432,7 @@ netconn_disconnect(struct netconn *conn)
msg.type = API_MSG_DISCONNECT;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
return conn->err;
}
@ -454,7 +456,7 @@ netconn_listen(struct netconn *conn)
msg.type = API_MSG_LISTEN;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
return conn->err;
}
@ -467,7 +469,7 @@ netconn_accept(struct netconn *conn)
return NULL;
}
sys_mbox_fetch(conn->acceptmbox, (void *)&newconn, 0);
sys_mbox_fetch(conn->acceptmbox, (void *)&newconn);
/* Register event with callback */
if (conn->callback)
(*conn->callback)(conn, NETCONN_EVT_RCVMINUS, 0);
@ -510,7 +512,7 @@ netconn_recv(struct netconn *conn)
return NULL;
}
sys_mbox_fetch(conn->recvmbox, (void *)&p, 0);
sys_mbox_fetch(conn->recvmbox, (void *)&p);
if (p != NULL)
{
@ -548,9 +550,13 @@ netconn_recv(struct netconn *conn)
}
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
} else {
sys_mbox_fetch(conn->recvmbox, (void *)&buf, conn->recv_timeout);
#if LWIP_SO_RCVTIMEO
sys_mbox_fetch_timeout(conn->recvmbox, (void *)&buf, conn->recv_timeout);
#else
sys_mbox_fetch(conn->recvmbox, (void *)&buf);
#endif /* LWIP_SO_RCVTIMEO*/
if (buf!=NULL)
{ conn->recv_avail -= buf->p->tot_len;
/* Register event with callback */
@ -587,7 +593,7 @@ netconn_send(struct netconn *conn, struct netbuf *buf)
msg.msg.msg.p = buf->p;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
return conn->err;
}
@ -635,7 +641,7 @@ 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, 0);
sys_mbox_fetch(conn->mbox, NULL);
if (conn->err == ERR_OK) {
dataptr = (void *)((u8_t *)dataptr + len);
size -= len;
@ -666,7 +672,7 @@ netconn_close(struct netconn *conn)
msg.type = API_MSG_CLOSE;
msg.msg.conn = conn;
api_msg_post(&msg);
sys_mbox_fetch(conn->mbox, NULL, 0);
sys_mbox_fetch(conn->mbox, NULL);
if (conn->err == ERR_MEM &&
conn->sem != SYS_SEM_NULL) {
sys_sem_wait(conn->sem);

26
src/api/err.c
View File

@ -34,17 +34,21 @@
#ifdef LWIP_DEBUG
static const char *err_strerr[] = {"Ok.",
"Out of memory error.",
"Buffer error.",
"Connection aborted.",
"Connection reset.",
"Connection closed.",
"Not connected.",
"Illegal value.",
"Illegal argument.",
"Routing problem.",
"Address in use."
static const char *err_strerr[] = {
"Ok.", /* ERR_OK 0 */
"Out of memory error.", /* ERR_MEM -1 */
"Buffer error.", /* ERR_BUF -2 */
"Connection aborted.", /* ERR_ABRT -3 */
"Connection reset.", /* ERR_RST -4 */
"Connection closed.", /* ERR_CLSD -5 */
"Not connected.", /* ERR_CONN -6 */
"Illegal value.", /* ERR_VAL -7 */
"Illegal argument.", /* ERR_ARG -8 */
"Routing problem.", /* ERR_RTE -9 */
"Address in use.", /* ERR_USE -10 */
"Low-level netif error.", /* ERR_IF -11 */
"Already connected.", /* ERR_ISCONN -12 */
"Timeout." /* ERR_TIMEOUT -13 */
};

10
src/api/sockets.c
View File

@ -996,8 +996,11 @@ 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_CONTIMEO: */
/* UNIMPL case SO_SNDTIMEO: */
#if LWIP_SO_RCVTIMEO
case SO_RCVTIMEO:
#endif /* LWIP_SO_RCVTIMEO */
/* UNIMPL case SO_OOBINLINE: */
/* UNIMPL case SO_RCVBUF: */
/* UNIMPL case SO_SNDBUF: */
@ -1124,9 +1127,11 @@ int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *opt
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n", s, *(int *)optval));
break;
#if LWIP_SO_RCVTIMEO
case SO_RCVTIMEO:
*(int *)optval = sock->conn->recv_timeout;
break;
#endif /* LWIP_SO_RCVTIMEO */
} /* switch */
break;
@ -1191,8 +1196,11 @@ 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_CONTIMEO: */
/* UNIMPL case case SO_SNDTIMEO: */
#if LWIP_SO_RCVTIMEO
case SO_RCVTIMEO:
#endif /* LWIP_SO_RCVTIMEO */
/* UNIMPL case SO_OOBINLINE: */
/* UNIMPL case SO_RCVBUF: */
/* UNIMPL case SO_SNDBUF: */
@ -1292,9 +1300,11 @@ 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;
#if LWIP_SO_RCVTIMEO
case SO_RCVTIMEO:
sock->conn->recv_timeout = ( *(int*)optval );
break;
#endif /* LWIP_SO_RCVTIMEO */
} /* switch */
break;

2
src/api/tcpip.c
View File

@ -174,7 +174,7 @@ tcpip_thread(void *arg)
}
while (1) { /* MAIN Loop */
sys_mbox_fetch(mbox, (void *)&msg, 0);
sys_mbox_fetch(mbox, (void *)&msg);
switch (msg->type) {
case TCPIP_MSG_API:
LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));

57
src/core/sys.c
View File

@ -44,9 +44,11 @@ struct sswt_cb
};
void
sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
#if LWIP_SO_RCVTIMEO
void sys_mbox_fetch_timeout(sys_mbox_t mbox, void **msg, u32_t timeout)
#else
void sys_mbox_fetch(sys_mbox_t mbox, void **msg)
#endif /* LWIP_SO_RCVTIMEO */
{
u32_t time;
struct sys_timeouts *timeouts;
@ -54,20 +56,45 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
sys_timeout_handler h;
void *arg;
again:
timeouts = sys_arch_timeouts();
if (!timeouts || !timeouts->next) {
sys_arch_mbox_fetch(mbox, msg, timeout);
#if LWIP_SO_RCVTIMEO
time = sys_arch_mbox_fetch(mbox, msg, timeout);
#else
time = sys_arch_mbox_fetch(mbox, msg, 0);
#endif /* LWIP_SO_RCVTIMEO */
} else {
if (timeouts->next->time > 0) {
#if LWIP_SO_RCVTIMEO
time = sys_arch_mbox_fetch(mbox, msg, (timeout?((timeout<timeouts->next->time)?timeout:timeouts->next->time):timeouts->next->time));
#else
time = sys_arch_mbox_fetch(mbox, msg, timeouts->next->time);
#endif /* LWIP_SO_RCVTIMEO */
} else {
time = SYS_ARCH_TIMEOUT;
}
if (time == SYS_ARCH_TIMEOUT) {
#if LWIP_SO_RCVTIMEO
if ((timeout) && (timeout<timeouts->next->time)) {
/* If time == SYS_ARCH_TIMEOUT, and we have wait "fetch's timeout" and not "timer's timeout",
The timeout variable is the number of milliseconds we have waited for the message. */
if (timeout < timeouts->next->time) {
timeouts->next->time -= timeout;
} else {
timeouts->next->time = 0;
}
} else {
/* The timeouts->next->time variable is the number of milliseconds we have waited for the message. */
if (timeouts->next->time < timeout) {
timeout -= timeouts->next->time;
} else {
if (timeout) timeout = SYS_ARCH_TIMEOUT;
}
#endif /* LWIP_SO_RCVTIMEO */
/* If time == SYS_ARCH_TIMEOUT, a timeout occured before a message
could be fetched. We should now call the timeout handler and
deallocate the memory allocated for the timeout. */
@ -81,13 +108,20 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
h(arg);
}
#if LWIP_SO_RCVTIMEO
if (timeout != SYS_ARCH_TIMEOUT)
#endif /* LWIP_SO_RCVTIMEO */
/* We try again to fetch a message from the mbox. */
goto again;
#if LWIP_SO_RCVTIMEO
}
#endif /* LWIP_SO_RCVTIMEO */
} else {
/* If time != SYS_ARCH_TIMEOUT, a message was received before the timeout
occured. The time variable is set to the number of
milliseconds we waited for the message. */
if (time <= timeouts->next->time) {
if (time < timeouts->next->time) {
timeouts->next->time -= time;
} else {
timeouts->next->time = 0;
@ -95,6 +129,12 @@ sys_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
}
}
#if LWIP_SO_RCVTIMEO
if ((time == SYS_ARCH_TIMEOUT) && (msg))
{ (*msg)=NULL;
}
#endif /* LWIP_SO_RCVTIMEO */
}
void
@ -106,9 +146,6 @@ sys_sem_wait(sys_sem_t sem)
sys_timeout_handler h;
void *arg;
/* while (sys_arch_sem_wait(sem, 1000) == 0);
return;*/
again:
timeouts = sys_arch_timeouts();
@ -143,7 +180,7 @@ sys_sem_wait(sys_sem_t sem)
/* If time != SYS_ARCH_TIMEOUT, a message was received before the timeout
occured. The time variable is set to the number of
milliseconds we waited for the message. */
if (time <= timeouts->next->time) {
if (time < timeouts->next->time) {
timeouts->next->time -= time;
} else {
timeouts->next->time = 0;

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

@ -92,7 +92,9 @@ struct netconn {
sys_mbox_t acceptmbox;
sys_sem_t sem;
int socket;
#if LWIP_SO_RCVTIMEO
int recv_timeout;
#endif /* LWIP_SO_RCVTIMEO */
u16_t recv_avail;
void (* callback)(struct netconn *, enum netconn_evt, u16_t len);
};

5
src/include/lwip/opt.h
View File

@ -420,6 +420,11 @@ a lot of data that needs to be copied, this should be set high. */
#define LWIP_POSIX_SOCKETS_IO_NAMES 1
#endif
/* Enable SO_RCVTIMEO processing (only for UDP sockets) */
#ifndef LWIP_SO_RCVTIMEO
#define LWIP_SO_RCVTIMEO 0
#endif
/* Enable SO_REUSEADDR and SO_REUSEPORT options */
#ifndef SO_REUSE
#define SO_REUSE 0

11
src/include/lwip/sys.h
View File

@ -53,7 +53,8 @@ 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,t)
#define sys_mbox_fetch_timeout(m,d,t)
#define sys_mbox_fetch(m,d)
#define sys_mbox_post(m,d)
#define sys_mbox_free(m)
@ -116,8 +117,12 @@ 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, u32_t timeout);
#if LWIP_SO_RCVTIMEO
void sys_mbox_fetch_timeout(sys_mbox_t mbox, void **msg, u32_t timeout);
#define sys_mbox_fetch(m,d) sys_mbox_fetch_timeout(m,d,0)
#else
void sys_mbox_fetch(sys_mbox_t mbox, void **msg);
#endif /* LWIP_SO_RCVTIMEO */
/* Thread functions. */
sys_thread_t sys_thread_new(void (* thread)(void *arg), void *arg, int prio);