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ipcsupp.c
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ipcsupp.c
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//
// Copyright 2021 Staysail Systems, Inc. <[email protected]>
// Copyright 2018 Capitar IT Group BV <[email protected]>
// Copyright 2018 Devolutions <[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 "convey.h"
#include "stubs.h"
static int num = 0;
TestMain("Supplemental IPC", {
Convey("We can create a dialer and listener", {
nng_stream_dialer * d;
nng_stream_listener *l;
char url[64];
snprintf(url, sizeof(url), "ipc:https:///tmp/ipcsupp_test%d", num);
num++;
So(nng_stream_dialer_alloc(&d, url) == 0);
So(nng_stream_listener_alloc(&l, url) == 0);
Reset({
nng_stream_listener_close(l);
nng_stream_dialer_close(d);
nng_stream_listener_free(l);
nng_stream_dialer_free(d);
});
Convey("Listener listens", {
So(nng_stream_listener_listen(l) == 0);
Convey("We can dial it", {
nng_aio * daio = NULL;
nng_aio * laio = NULL;
nng_aio * maio = NULL;
nng_stream *c1 = NULL;
nng_stream *c2 = NULL;
So(nng_aio_alloc(&daio, NULL, NULL) == 0);
So(nng_aio_alloc(&laio, NULL, NULL) == 0);
So(nng_aio_alloc(&maio, NULL, NULL) == 0);
Reset({
nng_aio_free(daio);
nng_aio_free(laio);
nng_aio_free(maio);
if (c1 != NULL) {
nng_stream_close(c1);
nng_stream_free(c1);
}
if (c2 != NULL) {
nng_stream_close(c2);
nng_stream_free(c2);
}
});
nng_stream_dialer_dial(d, daio);
nng_stream_listener_accept(l, laio);
nng_aio_wait(daio);
nng_aio_wait(laio);
So(nng_aio_result(daio) == 0);
So(nng_aio_result(laio) == 0);
c1 = nng_aio_get_output(daio, 0);
c2 = nng_aio_get_output(laio, 0);
So(c1 != NULL);
So(c2 != NULL);
Convey("They exchange messages", {
nng_aio * aio1;
nng_aio * aio2;
nng_iov iov;
nng_sockaddr sa2;
char buf1[5];
char buf2[5];
So(nng_aio_alloc(&aio1, NULL, NULL) ==
0);
So(nng_aio_alloc(&aio2, NULL, NULL) ==
0);
Reset({
nng_aio_free(aio1);
nng_aio_free(aio2);
});
// This relies on send completing for
// for just 5 bytes, and on recv doing
// the same. Technically this isn't
// guaranteed, but it would be weird
// to split such a small payload.
memcpy(buf1, "TEST", 5);
memset(buf2, 0, 5);
iov.iov_buf = buf1;
iov.iov_len = 5;
nng_aio_set_iov(aio1, 1, &iov);
iov.iov_buf = buf2;
iov.iov_len = 5;
nng_aio_set_iov(aio2, 1, &iov);
nng_stream_send(c1, aio1);
nng_stream_recv(c2, aio2);
nng_aio_wait(aio1);
nng_aio_wait(aio2);
So(nng_aio_result(aio1) == 0);
So(nng_aio_count(aio1) == 5);
So(nng_aio_result(aio2) == 0);
So(nng_aio_count(aio2) == 5);
So(memcmp(buf1, buf2, 5) == 0);
Convey("Socket name matches", {
So(nng_stream_get_addr(c2,
NNG_OPT_LOCADDR,
&sa2) == 0);
So(sa2.s_ipc.sa_family ==
NNG_AF_IPC);
So(strcmp(sa2.s_ipc.sa_path,
url +
strlen("ipc:https://")) ==
0);
});
});
});
});
});
})