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//
// Copyright 2024 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// 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 <nuts.h>
void
test_tcp_stream(void)
{
nng_stream_dialer *d = NULL;
nng_stream_listener *l = NULL;
nng_sockaddr sa;
uint8_t ip[4];
nng_aio *daio = NULL;
nng_aio *laio = NULL;
nng_aio *maio = NULL;
nng_stream *c1 = NULL;
nng_stream *c2 = NULL;
nng_aio *aio1;
nng_aio *aio2;
nng_iov iov;
nng_sockaddr sa2;
char buf1[5];
char buf2[5];
bool on;
NUTS_PASS(nng_aio_alloc(&daio, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&laio, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&maio, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio2, NULL, NULL));
NUTS_PASS(nng_stream_listener_alloc(&l, "tcp://127.0.0.1"));
NUTS_PASS(nng_stream_listener_listen(l));
ip[0] = 127;
ip[1] = 0;
ip[2] = 0;
ip[3] = 1;
NUTS_PASS(nng_stream_listener_get_addr(l, NNG_OPT_LOCADDR, &sa));
NUTS_TRUE(sa.s_in.sa_port != 0);
NUTS_TRUE(memcmp(&sa.s_in.sa_addr, ip, 4) == 0);
char uri[64];
snprintf(uri, sizeof(uri), "tcp://127.0.0.1:%d",
nuts_be16(sa.s_in.sa_port));
NUTS_PASS(nng_stream_dialer_alloc(&d, uri));
nng_stream_dialer_dial(d, daio);
nng_stream_listener_accept(l, laio);
nng_aio_wait(daio);
NUTS_PASS(nng_aio_result(daio));
nng_aio_wait(laio);
NUTS_PASS(nng_aio_result(laio));
c1 = nng_aio_get_output(daio, 0);
c2 = nng_aio_get_output(laio, 0);
NUTS_TRUE(c1 != NULL);
NUTS_TRUE(c2 != NULL);
on = false;
NUTS_PASS(nng_stream_get_bool(c1, NNG_OPT_TCP_NODELAY, &on));
NUTS_TRUE(on);
on = false;
NUTS_PASS(nng_stream_get_bool(c1, NNG_OPT_TCP_KEEPALIVE, &on));
// 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);
NUTS_PASS(nng_aio_result(aio1));
NUTS_TRUE(nng_aio_count(aio1) == 5);
NUTS_PASS(nng_aio_result(aio2));
NUTS_TRUE(nng_aio_count(aio2) == 5);
NUTS_TRUE(memcmp(buf1, buf2, 5) == 0);
NUTS_PASS(nng_stream_get_addr(c2, NNG_OPT_LOCADDR, &sa2));
NUTS_TRUE(sa2.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa2.s_in.sa_addr == sa.s_in.sa_addr);
NUTS_TRUE(sa2.s_in.sa_port == sa.s_in.sa_port);
NUTS_PASS(nng_stream_get_addr(c1, NNG_OPT_REMADDR, &sa2));
NUTS_TRUE(sa2.s_in.sa_family == NNG_AF_INET);
NUTS_TRUE(sa2.s_in.sa_addr == sa.s_in.sa_addr);
NUTS_TRUE(sa2.s_in.sa_port == sa.s_in.sa_port);
nng_stream_listener_close(l);
nng_stream_dialer_close(d);
nng_stream_listener_stop(l);
nng_stream_dialer_stop(d);
nng_stream_listener_free(l);
nng_stream_dialer_free(d);
nng_aio_free(aio1);
nng_aio_free(aio2);
nng_aio_free(daio);
nng_aio_free(laio);
nng_aio_free(maio);
nng_stream_close(c1);
nng_stream_close(c2);
nng_stream_stop(c1);
nng_stream_stop(c2);
nng_stream_free(c1);
nng_stream_free(c2);
}
void
test_tcp_listen_accept_cancel(void)
{
nng_stream_listener *l;
char *addr;
nng_aio *aio;
nng_log_set_logger(nng_stderr_logger);
NUTS_ADDR(addr, "tcp");
NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
// start a listening stream listener but do not call accept
NUTS_PASS(nng_stream_listener_alloc(&l, addr));
NUTS_PASS(nng_stream_listener_listen(l));
nng_stream_listener_accept(l, aio);
nng_msleep(100);
nng_aio_free(aio);
nng_stream_listener_close(l);
nng_stream_listener_free(l);
}
NUTS_TESTS = {
{ "tcp stream", test_tcp_stream },
{ "tcp stream listen accept cancel", test_tcp_listen_accept_cancel },
{ NULL, NULL },
};
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