static void *
client_task (void *args)
{
bool verbose = *((bool *) args);
char filename [256];
snprintf (filename, 255, TESTDIR "/client-%07d.cert", randof (10000000));
zcert_t *client_cert = zcert_new ();
zcert_save_public (client_cert, filename);
curve_client_t *client = curve_client_new (&client_cert);
curve_client_set_verbose (client, verbose);
zcert_t *server_cert = zcert_load (TESTDIR "/server.cert");
assert (server_cert);
curve_client_connect (client, "tcp://127.0.0.1:9006", zcert_public_key (server_cert));
zcert_destroy (&server_cert);
curve_client_sendstr (client, "Hello, World");
char *reply = curve_client_recvstr (client);
assert (streq (reply, "Hello, World"));
free (reply);
// Try a multipart message
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "Hello, World");
zmsg_addstr (msg, "Second frame");
curve_client_send (client, &msg);
msg = curve_client_recv (client);
assert (zmsg_size (msg) == 2);
zmsg_destroy (&msg);
// Now send messages of increasing size, check they work
int count;
int size = 0;
for (count = 0; count < 18; count++) {
zframe_t *data = zframe_new (NULL, size);
int byte_nbr;
// Set data to sequence 0...255 repeated
for (byte_nbr = 0; byte_nbr < size; byte_nbr++)
zframe_data (data)[byte_nbr] = (byte) byte_nbr;
msg = zmsg_new ();
zmsg_prepend (msg, &data);
curve_client_send (client, &msg);
msg = curve_client_recv (client);
data = zmsg_pop (msg);
assert (data);
assert (zframe_size (data) == size);
for (byte_nbr = 0; byte_nbr < size; byte_nbr++) {
assert (zframe_data (data)[byte_nbr] == (byte) byte_nbr);
}
zframe_destroy (&data);
zmsg_destroy (&msg);
size = size * 2 + 1;
}
// Signal end of test
curve_client_sendstr (client, "END");
reply = curve_client_recvstr (client);
free (reply);
curve_client_destroy (&client);
return NULL;
}
void
curve_client_test (bool verbose)
{
printf (" * curve_client: ");
// @selftest
// Create temporary directory for test files
zsys_dir_create (TESTDIR);
// We'll create two new certificates and save the client public
// certificate on disk; in a real case we'd transfer this securely
// from the client machine to the server machine.
zcert_t *server_cert = zcert_new ();
zcert_save (server_cert, TESTDIR "/server.cert");
// We'll run the server as a background task, and the
// client in this foreground thread.
zthread_new (server_task, &verbose);
zcert_t *client_cert = zcert_new ();
zcert_save_public (client_cert, TESTDIR "/client.cert");
curve_client_t *client = curve_client_new (&client_cert);
curve_client_set_metadata (client, "Client", "CURVEZMQ/curve_client");
curve_client_set_metadata (client, "Identity", "E475DA11");
curve_client_set_verbose (client, verbose);
curve_client_connect (client, "tcp://127.0.0.1:9005", (byte *)zcert_public_key (server_cert));
curve_client_sendstr (client, "Hello, World");
char *reply = curve_client_recvstr (client);
assert (streq (reply, "Hello, World"));
free (reply);
// Try a multipart message
zmsg_t *msg = zmsg_new ();
zmsg_addstr (msg, "Hello, World");
zmsg_addstr (msg, "Second frame");
curve_client_send (client, &msg);
msg = curve_client_recv (client);
assert (zmsg_size (msg) == 2);
zmsg_destroy (&msg);
// Now send messages of increasing size, check they work
int count;
int size = 0;
for (count = 0; count < 18; count++) {
if (verbose)
printf ("Testing message of size=%d...\n", size);
zframe_t *data = zframe_new (NULL, size);
int byte_nbr;
// Set data to sequence 0...255 repeated
for (byte_nbr = 0; byte_nbr < size; byte_nbr++)
zframe_data (data)[byte_nbr] = (byte) byte_nbr;
msg = zmsg_new ();
zmsg_prepend (msg, &data);
curve_client_send (client, &msg);
msg = curve_client_recv (client);
data = zmsg_pop (msg);
assert (data);
assert (zframe_size (data) == size);
for (byte_nbr = 0; byte_nbr < size; byte_nbr++) {
assert (zframe_data (data)[byte_nbr] == (byte) byte_nbr);
}
zframe_destroy (&data);
zmsg_destroy (&msg);
size = size * 2 + 1;
}
// Signal end of test
curve_client_sendstr (client, "END");
reply = curve_client_recvstr (client);
free (reply);
zcert_destroy (&server_cert);
zcert_destroy (&client_cert);
curve_client_destroy (&client);
// Delete all test files
zdir_t *dir = zdir_new (TESTDIR, NULL);
zdir_remove (dir, true);
zdir_destroy (&dir);
// @end
// Ensure server thread has exited before we do
zclock_sleep (100);
printf ("OK\n");
}
