int udpSetBlocking(int socket, bool blocking)
{
int b = blocking ? 1 : 0;
return lwip_ioctl(socket, FIONBIO, &b);
}
/*
The number of bytes available for reading on this socket.
@param socket The socket to check.
@return The number of bytes available.
\b Example
\code
int sock = udpOpen(); // create a new socket
if (udpBytesAvailable(sock) > 0) {
// we have some reading to do...
}
\endcode
*/
int udpAvailable(int socket)
{
int bytes;
return (lwip_ioctl(socket, FIONREAD, &bytes) == 0) ? bytes : -1;
}
int ioctl(int s, long cmd, void *argp) {
BT_HANDLE hSocket = (BT_HANDLE)s;
return lwip_ioctl(hSocket->socket, cmd, argp);
}
static inline int net_socket_blocking(int sock, int state)
{
return lwip_ioctl(sock, FIONBIO, &state);
}
unsigned int UA_socket_set_nonblocking(UA_SOCKET sockfd){
int on = 1;
if(lwip_ioctl(sockfd, FIONBIO, &on) < 0)
return UA_STATUSCODE_BADINTERNALERROR;
return UA_STATUSCODE_GOOD;
}
/** This is an example function that tests
blocking- and nonblocking connect. */
static void
sockex_nonblocking_connect(void *arg)
{
int s;
int ret;
u32_t opt;
struct sockaddr_in addr;
fdsets sets;
struct timeval tv;
u32_t ticks_a, ticks_b;
int err;
INIT_FDSETS(&sets);
LWIP_UNUSED_ARG(arg);
/* set up address to connect to */
memset(&addr, 0, sizeof(addr));
addr.sin_len = sizeof(addr);
addr.sin_family = AF_INET;
addr.sin_port = PP_HTONS(SOCK_TARGET_PORT);
addr.sin_addr.s_addr = inet_addr(SOCK_TARGET_HOST);
/* first try blocking: */
/* create the socket */
s = lwip_socket(AF_INET, SOCK_STREAM, 0);
LWIP_ASSERT("s >= 0", s >= 0);
/* connect */
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should succeed */
LWIP_ASSERT("ret == 0", ret == 0);
/* write something */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == 4", ret == 4);
/* close */
ret = lwip_close(s);
LWIP_ASSERT("ret == 0", ret == 0);
/* now try nonblocking and close before being connected */
/* create the socket */
s = lwip_socket(AF_INET, SOCK_STREAM, 0);
LWIP_ASSERT("s >= 0", s >= 0);
/* nonblocking */
opt = lwip_fcntl(s, F_GETFL, 0);
LWIP_ASSERT("ret != -1", ret != -1);
opt |= O_NONBLOCK;
ret = lwip_fcntl(s, F_SETFL, opt);
LWIP_ASSERT("ret != -1", ret != -1);
/* connect */
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* close */
ret = lwip_close(s);
LWIP_ASSERT("ret == 0", ret == 0);
/* try to close again, should fail with EBADF */
ret = lwip_close(s);
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EBADF", err == EBADF);
printf("closing socket in nonblocking connect succeeded\n");
/* now try nonblocking, connect should succeed:
this test only works if it is fast enough, i.e. no breakpoints, please! */
/* create the socket */
s = lwip_socket(AF_INET, SOCK_STREAM, 0);
LWIP_ASSERT("s >= 0", s >= 0);
/* nonblocking */
opt = 1;
ret = lwip_ioctl(s, FIONBIO, &opt);
LWIP_ASSERT("ret == 0", ret == 0);
/* connect */
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* write should fail, too */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
CHECK_FDSETS(&sets);
FD_ZERO(&sets.readset);
CHECK_FDSETS(&sets);
FD_SET(s, &sets.readset);
CHECK_FDSETS(&sets);
FD_ZERO(&sets.writeset);
CHECK_FDSETS(&sets);
FD_SET(s, &sets.writeset);
CHECK_FDSETS(&sets);
FD_ZERO(&sets.errset);
CHECK_FDSETS(&sets);
FD_SET(s, &sets.errset);
CHECK_FDSETS(&sets);
tv.tv_sec = 0;
tv.tv_usec = 0;
/* select without waiting should fail */
ret = lwip_select(s + 1, &sets.readset, &sets.writeset, &sets.errset, &tv);
CHECK_FDSETS(&sets);
LWIP_ASSERT("ret == 0", ret == 0);
LWIP_ASSERT("!FD_ISSET(s, &writeset)", !FD_ISSET(s, &sets.writeset));
LWIP_ASSERT("!FD_ISSET(s, &readset)", !FD_ISSET(s, &sets.readset));
LWIP_ASSERT("!FD_ISSET(s, &errset)", !FD_ISSET(s, &sets.errset));
FD_ZERO(&sets.readset);
FD_SET(s, &sets.readset);
FD_ZERO(&sets.writeset);
FD_SET(s, &sets.writeset);
FD_ZERO(&sets.errset);
FD_SET(s, &sets.errset);
ticks_a = sys_now();
/* select with waiting should succeed */
ret = lwip_select(s + 1, &sets.readset, &sets.writeset, &sets.errset, NULL);
ticks_b = sys_now();
LWIP_ASSERT("ret == 1", ret == 1);
LWIP_ASSERT("FD_ISSET(s, &writeset)", FD_ISSET(s, &sets.writeset));
LWIP_ASSERT("!FD_ISSET(s, &readset)", !FD_ISSET(s, &sets.readset));
LWIP_ASSERT("!FD_ISSET(s, &errset)", !FD_ISSET(s, &sets.errset));
/* now write should succeed */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == 4", ret == 4);
/* close */
ret = lwip_close(s);
LWIP_ASSERT("ret == 0", ret == 0);
printf("select() needed %d ticks to return writable\n", (int)(ticks_b - ticks_a));
/* now try nonblocking to invalid address:
this test only works if it is fast enough, i.e. no breakpoints, please! */
/* create the socket */
s = lwip_socket(AF_INET, SOCK_STREAM, 0);
LWIP_ASSERT("s >= 0", s >= 0);
/* nonblocking */
opt = 1;
ret = lwip_ioctl(s, FIONBIO, &opt);
LWIP_ASSERT("ret == 0", ret == 0);
addr.sin_addr.s_addr++; /* this should result in an invalid address */
/* connect */
ret = lwip_connect(s, (struct sockaddr*)&addr, sizeof(addr));
/* should have an error: "inprogress" */
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
/* write should fail, too */
ret = lwip_write(s, "test", 4);
LWIP_ASSERT("ret == -1", ret == -1);
err = errno;
LWIP_ASSERT("errno == EINPROGRESS", err == EINPROGRESS);
FD_ZERO(&sets.readset);
FD_SET(s, &sets.readset);
FD_ZERO(&sets.writeset);
FD_SET(s, &sets.writeset);
FD_ZERO(&sets.errset);
FD_SET(s, &sets.errset);
tv.tv_sec = 0;
tv.tv_usec = 0;
/* select without waiting should fail */
ret = lwip_select(s + 1, &sets.readset, &sets.writeset, &sets.errset, &tv);
LWIP_ASSERT("ret == 0", ret == 0);
FD_ZERO(&sets.readset);
FD_SET(s, &sets.readset);
FD_ZERO(&sets.writeset);
FD_SET(s, &sets.writeset);
FD_ZERO(&sets.errset);
FD_SET(s, &sets.errset);
ticks_a = sys_now();
/* select with waiting should eventually succeed and return errset! */
ret = lwip_select(s + 1, &sets.readset, &sets.writeset, &sets.errset, NULL);
ticks_b = sys_now();
LWIP_ASSERT("ret > 0", ret > 0);
LWIP_ASSERT("FD_ISSET(s, &errset)", FD_ISSET(s, &sets.errset));
/*LWIP_ASSERT("!FD_ISSET(s, &readset)", !FD_ISSET(s, &sets.readset));
LWIP_ASSERT("!FD_ISSET(s, &writeset)", !FD_ISSET(s, &sets.writeset));*/
/* close */
ret = lwip_close(s);
LWIP_ASSERT("ret == 0", ret == 0);
printf("select() needed %d ticks to return error\n", (int)(ticks_b - ticks_a));
printf("all tests done, thread ending\n");
}
END_TEST
START_TEST(test_sockets_recv_after_rst)
{
int sl, sact;
int spass = -1;
int ret;
struct sockaddr_in sa_listen;
const u16_t port = 1234;
int arg;
const char txbuf[] = "something";
char rxbuf[16];
struct lwip_sock *sact_sock;
int err;
LWIP_UNUSED_ARG(_i);
fail_unless(test_sockets_get_used_count() == 0);
memset(&sa_listen, 0, sizeof(sa_listen));
sa_listen.sin_family = AF_INET;
sa_listen.sin_port = PP_HTONS(port);
sa_listen.sin_addr.s_addr = PP_HTONL(INADDR_LOOPBACK);
/* set up the listener */
sl = lwip_socket(AF_INET, SOCK_STREAM, 0);
fail_unless(sl >= 0);
fail_unless(test_sockets_get_used_count() == 0);
ret = lwip_bind(sl, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
fail_unless(ret == 0);
ret = lwip_listen(sl, 0);
fail_unless(ret == 0);
/* set up the client */
sact = lwip_socket(AF_INET, SOCK_STREAM, 0);
fail_unless(sact >= 0);
fail_unless(test_sockets_get_used_count() == 0);
/* set the client to nonblocking to simplify this test */
arg = 1;
ret = lwip_ioctl(sact, FIONBIO, &arg);
fail_unless(ret == 0);
/* connect */
do {
ret = lwip_connect(sact, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
err = errno;
fail_unless((ret == 0) || (ret == -1));
if (ret != 0) {
if (err == EISCONN) {
/* Although this is not valid, use EISCONN as an indicator for successful connection.
This marks us as "connect phase is done". On error, we would either have a different
errno code or "send" fails later... -> good enough for this test. */
ret = 0;
} else {
fail_unless(err == EINPROGRESS);
if (err != EINPROGRESS) {
goto cleanup;
}
/* we're in progress: little side check: test for EALREADY */
ret = lwip_connect(sact, (struct sockaddr *)&sa_listen, sizeof(sa_listen));
err = errno;
fail_unless(ret == -1);
fail_unless(err == EALREADY);
if ((ret != -1) || (err != EALREADY)) {
goto cleanup;
}
}
tcpip_thread_poll_one();
tcpip_thread_poll_one();
tcpip_thread_poll_one();
tcpip_thread_poll_one();
}
} while (ret != 0);
fail_unless(ret == 0);
/* accept the server connection part */
spass = lwip_accept(sl, NULL, NULL);
fail_unless(spass >= 0);
/* write data from client */
ret = lwip_send(sact, txbuf, sizeof(txbuf), 0);
fail_unless(ret == sizeof(txbuf));
tcpip_thread_poll_one();
tcpip_thread_poll_one();
/* issue RST (This is a HACK, don't try this in your own app!) */
sact_sock = lwip_socket_dbg_get_socket(sact);
fail_unless(sact_sock != NULL);
if (sact_sock != NULL) {
struct netconn *sact_conn = sact_sock->conn;
fail_unless(sact_conn != NULL);
if (sact_conn != NULL) {
struct tcp_pcb *pcb = sact_conn->pcb.tcp;
fail_unless(pcb != NULL);
if (pcb != NULL) {
tcp_rst(pcb, pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip,
pcb->local_port, pcb->remote_port);
}
}
}
tcpip_thread_poll_one();
tcpip_thread_poll_one();
/* expect to receive data first */
ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
fail_unless(ret > 0);
tcpip_thread_poll_one();
tcpip_thread_poll_one();
/* expect to receive RST indication */
ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
fail_unless(ret == -1);
err = errno;
fail_unless(err == ECONNRESET);
tcpip_thread_poll_one();
tcpip_thread_poll_one();
/* expect to receive ENOTCONN indication */
ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
fail_unless(ret == -1);
err = errno;
fail_unless(err == ENOTCONN);
tcpip_thread_poll_one();
tcpip_thread_poll_one();
/* expect to receive ENOTCONN indication */
ret = lwip_recv(spass, rxbuf, sizeof(rxbuf), 0);
fail_unless(ret == -1);
err = errno;
fail_unless(err == ENOTCONN);
tcpip_thread_poll_one();
tcpip_thread_poll_one();
cleanup:
ret = lwip_close(sl);
fail_unless(ret == 0);
ret = lwip_close(sact);
fail_unless(ret == 0);
if (spass >= 0) {
ret = lwip_close(spass);
fail_unless(ret == 0);
}
}