mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-10-05 22:29:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Simplify lwip_accept() and lwip_ioctl() by relying on nonblocking netconn functions instead of sock->rcvevent

Browse Source
This commit is contained in:
goldsimon 2017-03-02 20:47:02 +01:00
parent 5c3bb19923
commit 3feb748fee
1 changed files with 6 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/api/sockets.c
View File

@ -545,13 +545,6 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
return -1;
}
if (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) {
LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_accept(%d): returning EWOULDBLOCK\n", s));
set_errno(EWOULDBLOCK);
done_socket(sock);
return -1;
}
/* wait for a new connection */
err = netconn_accept(sock->conn, &newconn);
if (err != ERR_OK) {
@ -592,7 +585,7 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
/* Note that POSIX only requires us to check addr is non-NULL. addrlen must
* not be NULL if addr is valid.
*/
if (addr != NULL) {
if ((addr != NULL) && (addrlen != NULL)) {
union sockaddr_aligned tempaddr;
/* get the IP address and port of the remote host */
err = netconn_peer(newconn, &naddr, &port);
@ -604,7 +597,6 @@ lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
done_socket(sock);
return -1;
}
LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
IPADDR_PORT_TO_SOCKADDR(&tempaddr, &naddr, port);
if (*addrlen > tempaddr.sa.sa_len) {
@ -2857,18 +2849,13 @@ lwip_ioctl(int s, long cmd, void *argp)
*((int*)argp) = p->tot_len - sock->lastoffset;
} else {
struct netbuf *rxbuf;
err_t err;
if (sock->rcvevent <= 0) {
err_t err = netconn_recv_udp_raw_netbuf_flags(sock->conn, &rxbuf, NETCONN_DONTBLOCK);
if (err != ERR_OK) {
*((int*)argp) = 0;
} else {
err = netconn_recv_udp_raw_netbuf(sock->conn, &rxbuf);
if (err != ERR_OK) {
*((int*)argp) = 0;
} else {
sock->lastdata = rxbuf;
sock->lastoffset = 0;
*((int*)argp) = rxbuf->p->tot_len;
}
sock->lastdata = rxbuf;
sock->lastoffset = 0;
*((int*)argp) = rxbuf->p->tot_len;
}
}
done_socket(sock);