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device.c
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device.c
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//
// Copyright 2024 Staysail Systems, Inc. <[email protected]>
// Copyright 2018 Capitar IT Group BV <[email protected]>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include <string.h>
#include <nng/nng.h>
#include <nng/protocol/pair1/pair.h>
#include "convey.h"
#include "stubs.h"
#define APPENDSTR(m, s) nng_msg_append(m, s, strlen(s))
#define CHECKSTR(m, s) \
So(nng_msg_len(m) == strlen(s)); \
So(memcmp(nng_msg_body(m), s, strlen(s)) == 0)
struct dev_data {
nng_socket s1;
nng_socket s2;
};
void
dodev(void *arg)
{
struct dev_data *d = arg;
nng_device(d->s1, d->s2);
}
#define SECOND(x) ((x) *1000)
Main({
Test("PAIRv1 device", {
const char *addr1 = "inproc:https://dev1";
const char *addr2 = "inproc:https://dev2";
Convey("We cannot create cooked mode device", {
nng_socket s1;
So(nng_pair1_open(&s1) == 0);
Reset({ nng_close(s1); });
So(nng_device(s1, s1) == NNG_EINVAL);
});
Convey("We can create a PAIRv1 device", {
nng_socket dev1;
nng_socket dev2;
nng_socket end1;
nng_socket end2;
nng_duration tmo;
nng_msg *msg;
nng_thread *thr;
So(nng_pair1_open_raw(&dev1) == 0);
So(nng_pair1_open_raw(&dev2) == 0);
struct dev_data ddata;
ddata.s1 = dev1;
ddata.s2 = dev2;
So(nng_thread_create(&thr, dodev, &ddata) == 0);
Reset({
nng_close(dev1);
nng_close(dev2);
nng_thread_destroy(thr);
});
So(nng_listen(dev1, addr1, NULL, 0) == 0);
So(nng_listen(dev2, addr2, NULL, 0) == 0);
So(nng_pair1_open(&end1) == 0);
So(nng_pair1_open(&end2) == 0);
So(nng_dial(end1, addr1, NULL, 0) == 0);
So(nng_dial(end2, addr2, NULL, 0) == 0);
tmo = SECOND(1);
So(nng_socket_set_ms(end1, NNG_OPT_RECVTIMEO, tmo) ==
0);
So(nng_socket_set_ms(end2, NNG_OPT_RECVTIMEO, tmo) ==
0);
nng_msleep(100);
Convey("Device can send and receive", {
So(nng_msg_alloc(&msg, 0) == 0);
APPENDSTR(msg, "ALPHA");
So(nng_sendmsg(end1, msg, 0) == 0);
So(nng_recvmsg(end2, &msg, 0) == 0);
CHECKSTR(msg, "ALPHA");
nng_msg_free(msg);
So(nng_msg_alloc(&msg, 0) == 0);
APPENDSTR(msg, "OMEGA");
So(nng_sendmsg(end2, msg, 0) == 0);
So(nng_recvmsg(end1, &msg, 0) == 0);
CHECKSTR(msg, "OMEGA");
nng_msg_free(msg);
});
});
});
})