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/*
Copyright (c) 2012 250bpm s.r.o.
Copyright (c) 2012 Other contributors as noted in the AUTHORS file
This file is part of Crossroads I/O project.
Crossroads I/O is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Crossroads is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil.hpp"
int XS_TEST_MAIN ()
{
int rc;
char buf [32];
fprintf (stderr, "survey test running...\n");
// Create the basic infrastructure.
void *ctx = xs_init ();
assert (ctx);
void *xsurveyor = xs_socket (ctx, XS_XSURVEYOR);
assert (xsurveyor);
rc = xs_bind (xsurveyor, "inproc://a");
assert (rc == 0);
void *xrespondent = xs_socket (ctx, XS_XRESPONDENT);
assert (xrespondent);
rc = xs_bind (xrespondent, "inproc://b");
assert (rc == 0);
void *surveyor = xs_socket (ctx, XS_SURVEYOR);
assert (surveyor);
rc = xs_connect (surveyor, "inproc://b");
assert (rc == 0);
void *respondent1 = xs_socket (ctx, XS_RESPONDENT);
assert (respondent1);
rc = xs_connect (respondent1, "inproc://a");
assert (rc == 0);
void *respondent2 = xs_socket (ctx, XS_RESPONDENT);
assert (respondent2);
rc = xs_connect (respondent2, "inproc://a");
assert (rc == 0);
// Send the survey.
rc = xs_send (surveyor, "ABC", 3, 0);
assert (rc == 3);
// Forward the survey through the intermediate device.
// Survey consist of identity (4 bytes), survey ID (4 bytes) and the body.
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xsurveyor, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xsurveyor, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 3);
rc = xs_send (xsurveyor, buf, 3, 0);
assert (rc == 3);
// Respondent 1 responds to the survey.
rc = xs_recv (respondent1, buf, sizeof (buf), 0);
assert (rc == 3);
rc = xs_send (respondent1, "DE", 2, 0);
assert (rc == 2);
// Forward the response through the intermediate device.
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 2);
rc = xs_send (xrespondent, buf, 2, 0);
assert (rc == 2);
// Surveyor gets the response.
rc = xs_recv (surveyor, buf, sizeof (buf), 0);
assert (rc == 2);
// Respondent 2 responds to the survey.
rc = xs_recv (respondent2, buf, sizeof (buf), 0);
assert (rc == 3);
rc = xs_send (respondent2, "FGHI", 4, 0);
assert (rc == 4);
// Forward the response through the intermediate device.
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xsurveyor, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, 0);
assert (rc == 4);
// Surveyor gets the response.
rc = xs_recv (surveyor, buf, sizeof (buf), 0);
assert (rc == 4);
// Now let's test whether survey timeout works as expected.
int timeout = 100;
rc = xs_setsockopt (surveyor, XS_SURVEY_TIMEOUT, &timeout, sizeof (int));
assert (rc == 0);
rc = xs_send (surveyor, "ABC", 3, 0);
assert (rc == 3);
void *watch = xs_stopwatch_start ();
rc = xs_recv (surveyor, buf, sizeof (buf), 0);
assert (rc == - 1 && errno == EAGAIN);
unsigned long elapsed = xs_stopwatch_stop (watch) / 1000;
time_assert (elapsed, (unsigned long) timeout);
// Test whether responses for old surveys are discarded. First,
// initiate new survey.
rc = xs_setsockopt (surveyor, XS_SURVEY_TIMEOUT, &timeout, sizeof (int));
assert (rc == 0);
rc = xs_send (surveyor, "DE", 2, 0);
assert (rc == 2);
// Read, process and reply to the old survey.
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 3);
rc = xs_send (xrespondent, buf, 3, 0);
assert (rc == 3);
// Read, process and reply to the new survey.
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 4);
rc = xs_send (xrespondent, buf, 4, XS_SNDMORE);
assert (rc == 4);
rc = xs_recv (xrespondent, buf, sizeof (buf), 0);
assert (rc == 2);
rc = xs_send (xrespondent, buf, 2, 0);
assert (rc == 2);
// Get the response and check it's the response to the new survey and
// that response to the old survey was silently discarded.
rc = xs_recv (surveyor, buf, sizeof (buf), 0);
assert (rc == 2);
rc = xs_close (respondent2);
assert (rc == 0);
rc = xs_close (respondent1);
assert (rc == 0);
rc = xs_close (surveyor);
assert (rc == 0);
rc = xs_close (xrespondent);
assert (rc == 0);
rc = xs_close (xsurveyor);
assert (rc == 0);
rc = xs_term (ctx);
assert (rc == 0);
return 0 ;
}
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