coroutine void collect(chan workers, int back_router)
{
//int back_router = nn_socket(AF_SP_RAW, NN_REP);
//nn_bind(back_router, BACKROUTER);
int ready;
size_t ready_sz = sizeof (ready);
nn_getsockopt(back_router, NN_SOL_SOCKET, NN_RCVFD, &ready, &ready_sz);
struct nn_msghdr hdr;
char *body = malloc(sizeof(char)*128);
while(1){
char *ctrl = malloc(sizeof(char)*64);
memset(&hdr, 0, sizeof(hdr));
struct nn_iovec iovec;
iovec.iov_base = body;
iovec.iov_len = 128;
hdr.msg_iov = &iovec;
hdr.msg_iovlen = 1;
hdr.msg_control = ctrl;
hdr.msg_controllen = 64;
fdwait(ready, FDW_IN, -1);
int rc = nn_recvmsg(back_router, &hdr, NN_DONTWAIT);
printf("%.*s\n", hdr.msg_iov->iov_len, (char*) hdr.msg_iov->iov_base);
chs(workers, char*, ctrl);
}
}
int ftw_nanomsg_router_recv (int router_id, void *incoming_msg_body, size_t *incoming_body_size, void *incoming_msg_header, size_t *incoming_header_size, int timeout)
{
struct nn_iovec iov;
struct nn_msghdr hdr;
int rc;
iov.iov_base = incoming_msg_body;
iov.iov_len = NN_MSG;
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = incoming_msg_header;
hdr.msg_controllen = NN_MSG;
nn_setsockopt(router_id, NN_SOL_SOCKET, NN_RCVTIMEO, &timeout, sizeof(timeout));
rc = nn_recvmsg (router_id, &hdr, NN_NOFLAGS);
if (rc < 0) {
rc = nn_errno();
return rc;
}
else {
*incoming_body_size = rc;
*incoming_header_size = hdr.msg_controllen;
return 0;
}
}
void receive_ctxt(int socket, const FHEPubKey &pk,
std::vector<Ctxt> &ctxts) {
std::stringstream sstream;
MDL::Timer timer;
char *buf;
nn_recv(socket, &buf, NN_MSG, 0); // recv lens
nn_send(socket, NULL, 0, 0); // send ok
MDL::net::msg_header *hdr = (MDL::net::msg_header *)buf;
std::vector<size_t> lens(hdr->msg_ele_sze,
hdr->msg_ele_sze + hdr->msg_ele_nr);
printf("vec size %zd\n", lens.size());
timer.start();
struct nn_msghdr nn_hdr;
MDL::net::make_nn_header(&nn_hdr, lens);
printf("%zd\n", nn_hdr.msg_iovlen);
nn_recvmsg(socket, &nn_hdr, 0); // recv data
timer.end();
Ctxt c(pk);
for (size_t i = 0; i < nn_hdr.msg_iovlen; i++) {
sstream.str((char *)nn_hdr.msg_iov[i].iov_base);
sstream >> c;
ctxts.push_back(c);
}
nn_freemsg(buf);
nn_send(socket, NULL, 0, 0);
printf("receive %zd ciphers %fs\n", ctxts.size(), timer.second());
}
int nn_device_mvmsg (struct nn_device_recipe *device,
int from, int to, int flags)
{
int rc;
void *body;
void *control;
struct nn_iovec iov;
struct nn_msghdr hdr;
iov.iov_base = &body;
iov.iov_len = NN_MSG;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = &control;
hdr.msg_controllen = NN_MSG;
rc = nn_recvmsg (from, &hdr, flags);
if (nn_slow (rc < 0 && nn_errno () == ETERM))
return -1;
errno_assert (rc >= 0);
rc = device->nn_device_rewritemsg(device,from,to,flags,&hdr,rc);
if (nn_slow(rc==-1)) return -1;
else if (rc==0) return 0;
nn_assert(rc==1);
rc = nn_sendmsg (to, &hdr, flags);
if (nn_slow (rc < 0 && nn_errno () == ETERM))
return -1;
errno_assert (rc >= 0);
return 0;
}
inline int recvmsg (struct nn_msghdr *msghdr, int flags)
{
int rc = nn_recvmsg (s, msghdr, flags);
if (nn_slow (rc < 0)) {
if (nn_slow (nn_errno () != EAGAIN))
throw nn::exception ();
return -1;
}
return rc;
}
int nn_recv (int s, void *buf, size_t len, int flags)
{
struct nn_iovec iov;
struct nn_msghdr hdr;
iov.iov_base = buf;
iov.iov_len = len;
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = NULL;
hdr.msg_controllen = 0;
return nn_recvmsg (s, &hdr, flags);
}
int main ()
{
int rc;
int sb;
int sc;
struct nn_iovec iov [2];
struct nn_msghdr hdr;
char buf [6];
sb = nn_socket (AF_SP, NN_PAIR);
errno_assert (sb != -1);
rc = nn_bind (sb, SOCKET_ADDRESS);
errno_assert (rc >= 0);
sc = nn_socket (AF_SP, NN_PAIR);
errno_assert (sc != -1);
rc = nn_connect (sc, SOCKET_ADDRESS);
errno_assert (rc >= 0);
iov [0].iov_base = "AB";
iov [0].iov_len = 2;
iov [1].iov_base = "CDEF";
iov [1].iov_len = 4;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = iov;
hdr.msg_iovlen = 2;
rc = nn_sendmsg (sc, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 6);
iov [0].iov_base = buf;
iov [0].iov_len = 4;
iov [1].iov_base = buf + 4;
iov [1].iov_len = 2;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = iov;
hdr.msg_iovlen = 2;
rc = nn_recvmsg (sb, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 6);
nn_assert (memcmp (buf, "ABCDEF", 6) == 0);
rc = nn_close (sc);
errno_assert (rc == 0);
rc = nn_close (sb);
errno_assert (rc == 0);
return 0;
}
int ftw_nanomsg_recv (int s, void *buf, size_t length, int timeout, int flags)
{
struct nn_iovec iov;
struct nn_msghdr hdr;
iov.iov_base = buf;
iov.iov_len = NN_MSG;
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = NULL;
hdr.msg_controllen = 0;
nn_setsockopt(s, NN_SOL_SOCKET, NN_RCVTIMEO, &timeout, sizeof(timeout));
return nn_recvmsg (s, &hdr, flags);
}
int nn_ws_recv (int s, void *msg, size_t len, uint8_t *msg_type, int flags)
{
struct nn_iovec iov;
struct nn_msghdr hdr;
struct nn_cmsghdr *cmsg;
void *cmsg_buf;
int rc;
iov.iov_base = msg;
iov.iov_len = len;
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = &cmsg_buf;
hdr.msg_controllen = NN_MSG;
rc = nn_recvmsg (s, &hdr, flags);
if (rc < 0)
return rc;
/* Find WebSocket opcode ancillary property. */
cmsg = NN_CMSG_FIRSTHDR (&hdr);
while (cmsg) {
if (cmsg->cmsg_level == NN_WS && cmsg->cmsg_type == NN_WS_HDR_OPCODE) {
*msg_type = *(uint8_t *) NN_CMSG_DATA (cmsg);
break;
}
cmsg = NN_CMSG_NXTHDR (&hdr, cmsg);
}
/* WebSocket transport should always report this header. */
nn_assert (cmsg);
/* WebSocket transport should always reassemble fragmented messages. */
nn_assert (*msg_type & NN_SWS_FRAME_BITMASK_FIN);
/* Return only the message type (opcode). */
if (*msg_type == (NN_WS_MSG_TYPE_GONE | NN_SWS_FRAME_BITMASK_FIN))
*msg_type = NN_WS_MSG_TYPE_GONE;
else
*msg_type &= NN_SWS_FRAME_BITMASK_OPCODE;
nn_freemsg (cmsg_buf);
return rc;
}
void ftw_socket_inbox_async_recv_worker(void *arg)
{
/* Opaque pointer into ftw_incoming_request structure using LabVIEW-safe type for PostLVUserEvent. */
int64 opaque;
struct ftw_incoming_request *incoming;
struct ftw_socket_inbox *self;
struct nn_iovec iov;
struct nn_msghdr msg;
void *msg_ptr;
void *hdr_ptr;
MgErr lv_err;
int socket_err;
int rc;
/* Notify launching process this thread is constructed. */
ftw_assert(arg);
self = (struct ftw_socket_inbox *) arg;
nn_sem_post(&self->initialized);
lv_err = mgNoErr;
socket_err = 0;
/* This broker relays messages from the nanomsg socket into the LabVIEW incoming message queue. */
while (!lv_err && !socket_err) {
/* Created here, this incoming request should be freed once the response is sent. */
incoming = ftw_malloc(sizeof(struct ftw_incoming_request));
if (incoming == NULL) {
lv_err = mFullErr;
continue;
}
iov.iov_base = &msg_ptr;
iov.iov_len = NN_MSG;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = &hdr_ptr;
msg.msg_controllen = NN_MSG;
rc = nn_recvmsg(self->id, &msg, 0);
if (rc >= 0) {
incoming->inbox = self;
incoming->msg_ptr = msg_ptr;
incoming->msg_len = nn_chunk_size(msg_ptr);
incoming->hdr_ptr = hdr_ptr;
incoming->hdr_len = nn_chunk_size(hdr_ptr);
opaque = (int64)incoming;
lv_err = PostLVUserEvent(self->incoming_msg_notifier_event, &opaque);
ftw_assert(lv_err == mgNoErr);
/* On the LabVIEW side, the handler is a an Event Handler Structure, which
applies no backpressure since the event queue cannot be limited for dynamic
events. For this reason, a semaphore is introduced to simulate blocking backpressure,
where the semaphore is posted once the Inbox Message Router receives the message. */
nn_sem_wait(&self->msg_acknowledged);
}
else {
/* Treat timeouts as non-fatal. Anything else will stop this thread. */
socket_err = ((errno == ETIMEDOUT || errno == EAGAIN) ? 0 : errno);
}
}
/* Posting a NULL pointer signals the LabVIEW Message Router to shutdown. */
opaque = (int64) NULL;
lv_err = PostLVUserEvent(self->incoming_msg_notifier_event, &opaque);
ftw_assert(lv_err == mgNoErr);
/* Wait for the Message Router to unload. */
nn_sem_wait(&self->deinitialized);
return;
}
int main()
{
int back_router = nn_socket(AF_SP_RAW, NN_REP);
nn_bind(back_router, BACKROUTER);
chan jobs = chmake(char*, 128);
chan workers = chmake(char*, 64);
go(collect(workers, back_router));
go(generate_work(jobs));
go(route_work(workers, back_router, jobs));
msleep(now() + 5435345);
int front_router = nn_socket(AF_SP_RAW, NN_REP);
nn_bind(front_router, FRONTROUTER);
char ctrl [256];
char body [256];
char ctrl2 [256];
char body2 [256];
struct nn_msghdr hdr;
struct nn_msghdr hdr2;
struct nn_iovec iovec;
iovec.iov_base = body;
iovec.iov_len = sizeof(body);
memset(&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iovec;
hdr.msg_iovlen = 1;
hdr.msg_control = ctrl;
hdr.msg_controllen = sizeof (ctrl);
int rc = nn_recvmsg(back_router, &hdr, 0);
printf("got rc: %d, got ctrl: %d\n", rc, hdr.msg_controllen);
struct nn_iovec iovec2;
iovec2.iov_base = body2;
iovec2.iov_len = sizeof(body2);
memset(&hdr2, 0, sizeof (hdr));
hdr2.msg_iov = &iovec2;
hdr2.msg_iovlen = 1;
hdr2.msg_control = ctrl2;
hdr2.msg_controllen = sizeof (ctrl2);
rc = nn_recvmsg(back_router, &hdr2, 0);
/*
struct nn_cmsghdr *cmsg;
cmsg = NN_CMSG_FIRSTHDR (&hdr);
while (cmsg != NULL) {
size_t len = cmsg->cmsg_len - sizeof (struct nn_cmsghdr);
printf ("level: %d property: %d length: %dB data: ",
(int) cmsg->cmsg_level,
(int) cmsg->cmsg_type,
(int) len);
unsigned char *data = NN_CMSG_DATA(cmsg);
while (len) {
printf ("%02X", *data);
++data;
--len;
}
printf ("\n");
cmsg = NN_CMSG_NXTHDR (&hdr.msg_control, cmsg);
}
*/
hdr.msg_iov = &iovec2;
hdr.msg_iovlen = 1;
nn_sendmsg(back_router, &hdr, 0);
/*
while(1){
sleep(10);
buf = NULL;
printf("waiting for worker\n");
int n = nn_recv(response, &buf, NN_MSG, 0);
printf("server got msg: %.*s\n", n, buf);
sprintf(tevs, "you are number %d served", ++c);
printf("responding to %d\n",response);
nn_send(response, tevs, strlen(tevs), 0);
nn_freemsg(buf);
}
nn_shutdown(response, 0);
*/
return 0;
}
int ftw_nanomsg_connector_ask(struct ftw_socket ** const sock, int send_timeout,
int recv_timeout, const LStrHandle request, LStrHandle response)
{
int rc;
struct nn_iovec iov;
struct nn_msghdr hdr;
void *recv_buf;
MgErr resize_err;
struct ftw_socket const *s;
s = *sock;
if (s == NULL) {
errno = EBADF;
return -1;
}
iov.iov_base = LHStrBuf(request);
iov.iov_len = LHStrLen(request);
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = NULL;
hdr.msg_controllen = 0;
rc = nn_setsockopt(s->id, NN_SOL_SOCKET, NN_SNDTIMEO, &send_timeout, sizeof(send_timeout));
if (rc < 0)
return rc;
rc = nn_setsockopt(s->id, NN_SOL_SOCKET, NN_RCVTIMEO, &recv_timeout, sizeof(recv_timeout));
if (rc < 0)
return rc;
rc = nn_sendmsg(s->id, &hdr, 0);
if (rc >= 0) {
recv_buf = NULL;
iov.iov_base = &recv_buf;
iov.iov_len = NN_MSG;
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
hdr.msg_control = NULL;
hdr.msg_controllen = 0;
rc = nn_recvmsg(s->id, &hdr, 0);
if (rc >= 0) {
resize_err = ftw_support_buffer_to_LStrHandle(&response, recv_buf, rc);
if (resize_err != mgNoErr) {
errno = resize_err + LV_USER_ERROR;
rc = -1;
}
}
if (recv_buf)
nn_freemsg(recv_buf);
}
return rc;
}
int testmsg()
{
int rc;
int sb;
int sc;
unsigned char *buf1, *buf2;
int i;
struct nn_iovec iov;
struct nn_msghdr hdr;
printf("test msg\n");
if ( 1 )
{
sb = test_socket (AF_SP, NN_PAIR);
test_bind (sb, SOCKET_ADDRESS);
sc = test_socket (AF_SP, NN_PAIR);
test_connect (sc, SOCKET_ADDRESS);
buf1 = nn_allocmsg (256, 0);
alloc_assert (buf1);
for (i = 0; i != 256; ++i)
buf1 [i] = (unsigned char) i;
printf("send 256\n");
rc = nn_send (sc, &buf1, NN_MSG, 0);
printf("rc.%d\n",rc);
errno_assert (rc >= 0);
nn_assert (rc == 256);
buf2 = NULL;
rc = nn_recv (sb, &buf2, NN_MSG, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
nn_assert (buf2);
for (i = 0; i != 256; ++i)
nn_assert (buf2 [i] == (unsigned char) i);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
buf1 = nn_allocmsg (256, 0);
alloc_assert (buf1);
for (i = 0; i != 256; ++i)
buf1 [i] = (unsigned char) i;
iov.iov_base = &buf1;
iov.iov_len = NN_MSG;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
rc = nn_sendmsg (sc, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
buf2 = NULL;
iov.iov_base = &buf2;
iov.iov_len = NN_MSG;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
rc = nn_recvmsg (sb, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
nn_assert (buf2);
for (i = 0; i != 256; ++i)
nn_assert (buf2 [i] == (unsigned char) i);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
test_close (sc);
test_close (sb);
}
/* Test receiving of large message */
sb = test_socket(AF_SP, NN_PAIR);
//printf("test_bind.(%s)\n",SOCKET_ADDRESS_TCP);
test_bind(sb,SOCKET_ADDRESS_TCP);
sc = test_socket(AF_SP,NN_PAIR);
//printf("test_connect.(%s)\n",SOCKET_ADDRESS_TCP);
test_connect(sc,SOCKET_ADDRESS_TCP);
for (i = 0; i < (int) sizeof (longdata); ++i)
longdata[i] = '0' + (i % 10);
longdata [sizeof(longdata) - 1] = 0;
printf("send longdata.%d\n",(int32_t)sizeof(longdata));
test_send(sb,longdata);
printf("recv longdata.%d\n",(int32_t)sizeof(longdata));
rc = nn_recv (sc, &buf2, NN_MSG, 0);
errno_assert (rc >= 0);
nn_assert (rc == sizeof (longdata) - 1);
nn_assert (buf2);
for (i = 0; i < (int) sizeof (longdata) - 1; ++i)
nn_assert (buf2 [i] == longdata [i]);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
test_close (sc);
test_close (sb);
//printf("testmsg completed\n");
return 0;
}
int main ()
{
int rc;
int rep;
int req;
struct nn_msghdr hdr;
struct nn_iovec iovec;
unsigned char body [3];
unsigned char ctrl [256];
struct nn_cmsghdr *cmsg;
unsigned char *data;
void *buf;
rep = test_socket (AF_SP_RAW, NN_REP);
test_bind (rep, SOCKET_ADDRESS);
req = test_socket (AF_SP, NN_REQ);
test_connect (req, SOCKET_ADDRESS);
/* Test ancillary data in static buffer. */
test_send (req, "ABC");
iovec.iov_base = body;
iovec.iov_len = sizeof (body);
hdr.msg_iov = &iovec;
hdr.msg_iovlen = 1;
hdr.msg_control = ctrl;
hdr.msg_controllen = sizeof (ctrl);
rc = nn_recvmsg (rep, &hdr, 0);
errno_assert (rc == 3);
cmsg = NN_CMSG_FIRSTHDR (&hdr);
while (1) {
nn_assert (cmsg);
if (cmsg->cmsg_level == PROTO_SP && cmsg->cmsg_type == SP_HDR)
break;
cmsg = NN_CMSG_NXTHDR (&hdr, cmsg);
}
nn_assert (cmsg->cmsg_len == NN_CMSG_SPACE (8));
data = NN_CMSG_DATA (cmsg);
nn_assert (!(data[0] & 0x80));
nn_assert (data[4] & 0x80);
rc = nn_sendmsg (rep, &hdr, 0);
nn_assert (rc == 3);
test_recv (req, "ABC");
/* Test ancillary data in dynamically allocated buffer (NN_MSG). */
test_send (req, "ABC");
iovec.iov_base = body;
iovec.iov_len = sizeof (body);
hdr.msg_iov = &iovec;
hdr.msg_iovlen = 1;
hdr.msg_control = &buf;
hdr.msg_controllen = NN_MSG;
rc = nn_recvmsg (rep, &hdr, 0);
errno_assert (rc == 3);
cmsg = NN_CMSG_FIRSTHDR (&hdr);
while (1) {
nn_assert (cmsg);
if (cmsg->cmsg_level == PROTO_SP && cmsg->cmsg_type == SP_HDR)
break;
cmsg = NN_CMSG_NXTHDR (&hdr, cmsg);
}
nn_assert (cmsg->cmsg_len == NN_CMSG_SPACE (8));
data = NN_CMSG_DATA (cmsg);
nn_assert (!(data[0] & 0x80));
nn_assert (data[4] & 0x80);
rc = nn_sendmsg (rep, &hdr, 0);
nn_assert (rc == 3);
test_recv (req, "ABC");
test_close (req);
test_close (rep);
return 0;
}
int main (int argc, const char *argv[])
{
int rc;
int sb;
int sc;
unsigned char *buf1, *buf2;
int i;
struct nn_iovec iov;
struct nn_msghdr hdr;
char socket_address_tcp[128];
test_addr_from(socket_address_tcp, "tcp", "127.0.0.1",
get_test_port(argc, argv));
sb = test_socket (AF_SP, NN_PAIR);
test_bind (sb, SOCKET_ADDRESS);
sc = test_socket (AF_SP, NN_PAIR);
test_connect (sc, SOCKET_ADDRESS);
buf1 = nn_allocmsg (256, 0);
alloc_assert (buf1);
for (i = 0; i != 256; ++i)
buf1 [i] = (unsigned char) i;
rc = nn_send (sc, &buf1, NN_MSG, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
buf2 = NULL;
rc = nn_recv (sb, &buf2, NN_MSG, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
nn_assert (buf2);
for (i = 0; i != 256; ++i)
nn_assert (buf2 [i] == (unsigned char) i);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
buf1 = nn_allocmsg (256, 0);
alloc_assert (buf1);
for (i = 0; i != 256; ++i)
buf1 [i] = (unsigned char) i;
iov.iov_base = &buf1;
iov.iov_len = NN_MSG;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
rc = nn_sendmsg (sc, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
buf2 = NULL;
iov.iov_base = &buf2;
iov.iov_len = NN_MSG;
memset (&hdr, 0, sizeof (hdr));
hdr.msg_iov = &iov;
hdr.msg_iovlen = 1;
rc = nn_recvmsg (sb, &hdr, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
nn_assert (buf2);
for (i = 0; i != 256; ++i)
nn_assert (buf2 [i] == (unsigned char) i);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
test_close (sc);
test_close (sb);
/* Test receiving of large message */
sb = test_socket (AF_SP, NN_PAIR);
test_bind (sb, socket_address_tcp);
sc = test_socket (AF_SP, NN_PAIR);
test_connect (sc, socket_address_tcp);
for (i = 0; i < (int) sizeof (longdata); ++i)
longdata[i] = '0' + (i % 10);
longdata [sizeof (longdata) - 1] = 0;
test_send (sb, longdata);
rc = nn_recv (sc, &buf2, NN_MSG, 0);
errno_assert (rc >= 0);
nn_assert (rc == sizeof (longdata) - 1);
nn_assert (buf2);
for (i = 0; i < (int) sizeof (longdata) - 1; ++i)
nn_assert (buf2 [i] == longdata [i]);
rc = nn_freemsg (buf2);
errno_assert (rc == 0);
test_close (sc);
test_close (sb);
return 0;
}
int main ()
{
int rc;
int sb;
int sc;
int s1, s2;
int i;
char buf [256];
int val;
struct nn_msghdr hdr;
struct nn_iovec iovec;
unsigned char body [3];
void *control;
struct nn_cmsghdr *cmsg;
unsigned char *data;
/* Create a simple topology. */
sc = test_socket (AF_SP, NN_PAIR);
test_connect (sc, SOCKET_ADDRESS);
sb = test_socket (AF_SP, NN_PAIR);
test_bind (sb, SOCKET_ADDRESS);
/* Try a duplicate bind. It should fail. */
rc = nn_bind (sc, SOCKET_ADDRESS);
nn_assert (rc < 0 && errno == EADDRINUSE);
/* Ping-pong test. */
for (i = 0; i != 100; ++i) {
test_send (sc, "ABC");
test_recv (sb, "ABC");
test_send (sb, "DEFG");
test_recv (sc, "DEFG");
}
/* Batch transfer test. */
for (i = 0; i != 100; ++i) {
test_send (sc, "XYZ");
}
for (i = 0; i != 100; ++i) {
test_recv (sb, "XYZ");
}
test_close (sc);
test_close (sb);
/* Test whether queue limits are observed. */
sb = test_socket (AF_SP, NN_PAIR);
val = 200;
rc = nn_setsockopt (sb, NN_SOL_SOCKET, NN_RCVBUF, &val, sizeof (val));
errno_assert (rc == 0);
test_bind (sb, SOCKET_ADDRESS);
sc = test_socket (AF_SP, NN_PAIR);
test_connect (sc, SOCKET_ADDRESS);
val = 200;
rc = nn_setsockopt (sc, NN_SOL_SOCKET, NN_SNDTIMEO, &val, sizeof (val));
errno_assert (rc == 0);
i = 0;
while (1) {
rc = nn_send (sc, "0123456789", 10, 0);
if (rc < 0 && nn_errno () == EAGAIN)
break;
errno_assert (rc >= 0);
nn_assert (rc == 10);
++i;
}
nn_assert (i == 20);
test_recv (sb, "0123456789");
test_send (sc, "0123456789");
rc = nn_send (sc, "0123456789", 10, 0);
nn_assert (rc < 0 && nn_errno () == EAGAIN);
for (i = 0; i != 20; ++i) {
test_recv (sb, "0123456789");
}
/* Make sure that even a message that doesn't fit into the buffers
gets across. */
for (i = 0; i != sizeof (buf); ++i)
buf [i] = 'A';
rc = nn_send (sc, buf, 256, 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
rc = nn_recv (sb, buf, sizeof (buf), 0);
errno_assert (rc >= 0);
nn_assert (rc == 256);
test_close (sc);
test_close (sb);
#if 0
/* Test whether connection rejection is handled decently. */
sb = test_socket (AF_SP, NN_PAIR);
test_bind (sb, SOCKET_ADDRESS);
s1 = test_socket (AF_SP, NN_PAIR);
test_connect (s1, SOCKET_ADDRESS);
s2 = test_socket (AF_SP, NN_PAIR);
test_connect (s2, SOCKET_ADDRESS);
nn_sleep (100);
test_close (s2);
test_close (s1);
test_close (sb);
#endif
/* Check whether SP message header is transferred correctly. */
sb = test_socket (AF_SP_RAW, NN_REP);
test_bind (sb, SOCKET_ADDRESS);
sc = test_socket (AF_SP, NN_REQ);
test_connect (sc, SOCKET_ADDRESS);
test_send (sc, "ABC");
iovec.iov_base = body;
iovec.iov_len = sizeof (body);
hdr.msg_iov = &iovec;
hdr.msg_iovlen = 1;
hdr.msg_control = &control;
hdr.msg_controllen = NN_MSG;
rc = nn_recvmsg (sb, &hdr, 0);
errno_assert (rc == 3);
cmsg = NN_CMSG_FIRSTHDR (&hdr);
while (1) {
nn_assert (cmsg);
if (cmsg->cmsg_level == PROTO_SP && cmsg->cmsg_type == SP_HDR)
break;
cmsg = NN_CMSG_NXTHDR (&hdr, cmsg);
}
nn_assert (cmsg->cmsg_len == NN_CMSG_SPACE (8));
data = NN_CMSG_DATA (cmsg);
nn_assert (!(data[0] & 0x80));
nn_assert (data[4] & 0x80);
nn_freemsg (control);
test_close (sc);
test_close (sb);
/* Test binding a new socket after originally bound socket shuts down. */
sb = test_socket (AF_SP, NN_BUS);
test_bind (sb, SOCKET_ADDRESS);
sc = test_socket (AF_SP, NN_BUS);
test_connect (sc, SOCKET_ADDRESS);
s1 = test_socket (AF_SP, NN_BUS);
test_connect (s1, SOCKET_ADDRESS);
/* Close bound socket, leaving connected sockets connect. */
test_close (sb);
nn_sleep (100);
/* Rebind a new socket to the address to which our connected sockets are listening. */
s2 = test_socket (AF_SP, NN_BUS);
test_bind (s2, SOCKET_ADDRESS);
/* Ping-pong test. */
for (i = 0; i != 100; ++i) {
test_send (sc, "ABC");
test_send (s1, "QRS");
test_recv (s2, "ABC");
test_recv (s2, "QRS");
test_send (s2, "DEFG");
test_recv (sc, "DEFG");
test_recv (s1, "DEFG");
}
/* Batch transfer test. */
for (i = 0; i != 100; ++i) {
test_send (sc, "XYZ");
}
for (i = 0; i != 100; ++i) {
test_recv (s2, "XYZ");
}
for (i = 0; i != 100; ++i) {
test_send (s1, "MNO");
}
for (i = 0; i != 100; ++i) {
test_recv (s2, "MNO");
}
test_close (s1);
test_close (sc);
test_close (s2);
return 0;
}
