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Fix udp_bind to allow rebind for same socket (yesterday's commit broke that) and introduce connection info for UDP pcbs.New function netconn_disconnect, do_disconnect for deatching UDP from a remote addres.Fix #2240

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This commit is contained in:
jani
2003-01-22 16:18:05 +00:00
parent 16434f0d01
commit 46c575c038
8 changed files with 87 additions and 23 deletions
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22
src/api/sockets.c
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@@ -172,11 +172,14 @@ lwip_connect(int s, struct sockaddr *name, int namelen)
if(sock == NULL) {
return -1;
}
remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr;
remote_port = ((struct sockaddr_in *)name)->sin_port;
err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
if (((struct sockaddr_in *)name)->sin_family == AF_UNSPEC) {
err = netconn_disconnect(sock->conn);
} else {
remote_addr.addr = ((struct sockaddr_in *)name)->sin_addr.s_addr;
remote_port = ((struct sockaddr_in *)name)->sin_port;
err = netconn_connect(sock->conn, &remote_addr, ntohs(remote_port));
}
if(err != ERR_OK) {
/* errno = ... */
@@ -343,7 +346,7 @@ 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;
int ret,connected;
sock = get_socket(s);
if(sock == NULL) {
@@ -351,7 +354,7 @@ lwip_sendto(int s, void *data, int size, unsigned int flags,
}
/* get the peer if currently connected */
netconn_peer(sock->conn, &addr, &port);
connected = (netconn_peer(sock->conn, &addr, &port) == ERR_OK);
remote_addr.addr = ((struct sockaddr_in *)to)->sin_addr.s_addr;
remote_port = ((struct sockaddr_in *)to)->sin_port;
@@ -361,7 +364,10 @@ lwip_sendto(int s, void *data, int size, unsigned int flags,
/* reset the remote address and port number
of the connection */
netconn_connect(sock->conn, addr, port);
if (connected)
netconn_connect(sock->conn, addr, port);
else
netconn_disconnect(sock->conn);
return ret;
}
/*-----------------------------------------------------------------------------------*/