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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.
//
// Basic UDP tests.
#include "nng/nng.h"
#ifndef _WIN32
#include <arpa/inet.h> // for endianness functions
#endif
#include "core/nng_impl.h"
#include <nuts.h>
void
test_udp_pair(void)
{
nng_sockaddr sa1;
nng_sockaddr sa2;
nng_udp *u1;
nng_udp *u2;
uint32_t loopback;
nng_aio *aio1;
nng_aio *aio2;
nng_iov iov1, iov2;
char msg[] = "hello";
char rbuf[1024];
nng_sockaddr to;
nng_sockaddr from;
loopback = htonl(0x7f000001); // 127.0.0.1
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = loopback;
sa1.s_in.sa_port = 0; // wild card port binding
sa2.s_in.sa_family = NNG_AF_INET;
sa2.s_in.sa_addr = loopback;
sa2.s_in.sa_port = 0;
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_open(&u2, &sa2));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_udp_sockname(u2, &sa2));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio2, NULL, NULL));
to = sa2;
iov1.iov_buf = msg;
iov1.iov_len = strlen(msg) + 1;
NUTS_PASS(nng_aio_set_iov(aio1, 1, &iov1));
NUTS_PASS(nng_aio_set_input(aio1, 0, &to));
iov2.iov_buf = rbuf;
iov2.iov_len = 1024;
NUTS_PASS(nng_aio_set_iov(aio2, 1, &iov2));
NUTS_PASS(nng_aio_set_input(aio2, 0, &from));
nng_udp_recv(u2, aio2);
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
nng_aio_wait(aio2);
NUTS_PASS(nng_aio_result(aio1));
NUTS_PASS(nng_aio_result(aio2));
NUTS_ASSERT(nng_aio_count(aio2) == strlen(msg) + 1);
NUTS_ASSERT(strcmp(rbuf, msg) == 0);
NUTS_ASSERT(from.s_in.sa_family == sa1.s_in.sa_family);
NUTS_ASSERT(from.s_in.sa_addr == sa1.s_in.sa_addr);
NUTS_ASSERT(from.s_in.sa_port == sa1.s_in.sa_port);
nng_aio_free(aio1);
nng_aio_free(aio2);
nng_udp_close(u1);
nng_udp_close(u2);
}
void
test_udp_scatter_gather(void)
{
nng_sockaddr sa1;
nng_sockaddr sa2;
nng_udp *u1;
nng_udp *u2;
uint32_t loopback;
nng_aio *aio1;
nng_aio *aio2;
nng_iov iov1[2], iov2[2];
char rbuf[1024];
nng_sockaddr to;
nng_sockaddr from;
loopback = htonl(0x7f000001); // 127.0.0.1
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = loopback;
sa1.s_in.sa_port = 0; // wild card port binding
sa2.s_in.sa_family = NNG_AF_INET;
sa2.s_in.sa_addr = loopback;
sa2.s_in.sa_port = 0;
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_open(&u2, &sa2));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_udp_sockname(u2, &sa2));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio2, NULL, NULL));
to = sa2;
iov1[0].iov_buf = "abc";
iov1[0].iov_len = 3;
iov1[1].iov_buf = "def";
iov1[1].iov_len = 4; // include nul
NUTS_PASS(nng_aio_set_iov(aio1, 2, iov1));
NUTS_PASS(nng_aio_set_input(aio1, 0, &to));
iov2[0].iov_buf = rbuf;
iov2[0].iov_len = 4;
iov2[1].iov_len = 1020;
iov2[1].iov_buf = rbuf + 4;
NUTS_PASS(nng_aio_set_iov(aio2, 2, iov2));
NUTS_PASS(nng_aio_set_input(aio2, 0, &from));
nng_udp_recv(u2, aio2);
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
nng_aio_wait(aio2);
NUTS_PASS(nng_aio_result(aio1));
NUTS_PASS(nng_aio_result(aio2));
NUTS_TRUE(nng_aio_count(aio2) == strlen("abcdef") + 1);
NUTS_TRUE(strcmp(rbuf, "abcdef") == 0);
NUTS_TRUE(from.s_in.sa_family == sa1.s_in.sa_family);
NUTS_TRUE(from.s_in.sa_addr == sa1.s_in.sa_addr);
NUTS_TRUE(from.s_in.sa_port == sa1.s_in.sa_port);
nng_aio_free(aio1);
nng_aio_free(aio2);
nng_udp_close(u1);
nng_udp_close(u2);
}
void
test_udp_multi_send_recv(void)
{
nng_sockaddr sa1, sa2, sa3, sa4;
nng_udp *u1;
nng_udp *u2;
uint32_t loopback;
nng_aio *aio1, *aio2, *aio3, *aio4;
nng_iov iov1, iov2, iov3, iov4;
char msg1[] = "hello";
char msg2[] = "there";
char rbuf1[32];
char rbuf2[32];
nng_sockaddr to;
loopback = htonl(0x7f000001); // 127.0.0.1
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = loopback;
sa1.s_in.sa_port = 0; // wild card port binding
sa2.s_in.sa_family = NNG_AF_INET;
sa2.s_in.sa_addr = loopback;
sa2.s_in.sa_port = 0;
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_open(&u2, &sa2));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_udp_sockname(u2, &sa2));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio2, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio3, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio4, NULL, NULL));
to = sa2;
iov1.iov_buf = msg1;
iov1.iov_len = strlen(msg1) + 1;
NUTS_PASS(nng_aio_set_iov(aio1, 1, &iov1));
NUTS_PASS(nng_aio_set_input(aio1, 0, &to));
to = sa2;
iov2.iov_buf = msg2;
iov2.iov_len = strlen(msg2) + 1;
NUTS_PASS(nng_aio_set_iov(aio2, 1, &iov2));
NUTS_PASS(nng_aio_set_input(aio2, 0, &to));
iov3.iov_buf = rbuf1;
iov3.iov_len = sizeof(rbuf1);
NUTS_PASS(nng_aio_set_iov(aio3, 1, &iov3));
NUTS_PASS(nng_aio_set_input(aio3, 0, &sa3));
iov4.iov_buf = rbuf2;
iov4.iov_len = sizeof(rbuf2);
NUTS_PASS(nng_aio_set_iov(aio4, 1, &iov4));
NUTS_PASS(nng_aio_set_input(aio4, 0, &sa4));
nng_udp_recv(u2, aio4);
nng_udp_recv(u2, aio3);
nng_udp_send(u1, aio2);
nng_msleep(100); // to keep order clear
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
nng_aio_wait(aio2);
nng_aio_wait(aio3);
nng_aio_wait(aio4);
NUTS_PASS(nng_aio_result(aio1));
NUTS_PASS(nng_aio_result(aio2));
NUTS_PASS(nng_aio_result(aio3));
NUTS_PASS(nng_aio_result(aio4));
NUTS_ASSERT(nng_aio_count(aio3) == strlen(msg1) + 1);
NUTS_ASSERT(nng_aio_count(aio4) == strlen(msg2) + 1);
NUTS_ASSERT(strcmp(rbuf1, msg1) == 0);
NUTS_ASSERT(strcmp(rbuf2, msg2) == 0);
NUTS_PASS(nng_udp_sockname(u1, &sa2));
NUTS_ASSERT(sa2.s_in.sa_family == sa3.s_in.sa_family);
NUTS_ASSERT(sa2.s_in.sa_addr == sa3.s_in.sa_addr);
NUTS_ASSERT(sa2.s_in.sa_port == sa3.s_in.sa_port);
NUTS_ASSERT(sa2.s_in.sa_family == sa4.s_in.sa_family);
NUTS_ASSERT(sa2.s_in.sa_addr == sa4.s_in.sa_addr);
NUTS_ASSERT(sa2.s_in.sa_port == sa4.s_in.sa_port);
nng_aio_free(aio1);
nng_aio_free(aio2);
nng_aio_free(aio3);
nng_aio_free(aio4);
nng_udp_close(u1);
nng_udp_close(u2);
}
void
test_udp_send_no_addr(void)
{
nng_sockaddr sa1;
nng_udp *u1;
uint32_t loopback;
nng_aio *aio1;
nng_iov iov1;
char msg[] = "hello";
loopback = htonl(0x7f000001); // 127.0.0.1
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = loopback;
sa1.s_in.sa_port = 0; // wild card port binding
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
iov1.iov_buf = msg;
iov1.iov_len = strlen(msg) + 1;
NUTS_PASS(nng_aio_set_iov(aio1, 1, &iov1));
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
NUTS_FAIL(nng_aio_result(aio1), NNG_EADDRINVAL);
nng_aio_free(aio1);
nng_udp_close(u1);
}
void
test_udp_send_ipc(void)
{
nng_sockaddr sa1 = { 0 };
nng_sockaddr sa2 = { 0 };
nng_udp *u1;
uint32_t loopback;
nng_aio *aio1;
nng_iov iov1;
char msg[] = "hello";
int rv;
loopback = htonl(0x7f000001); // 127.0.0.1
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = loopback;
sa1.s_in.sa_port = 0; // wild card port binding
sa2.s_ipc.sa_family = NNG_AF_IPC;
strcat(sa2.s_ipc.sa_path, "/tmp/bogus");
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
iov1.iov_buf = msg;
iov1.iov_len = strlen(msg) + 1;
NUTS_PASS(nng_aio_set_iov(aio1, 1, &iov1));
NUTS_PASS(nng_aio_set_input(aio1, 0, &sa2));
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
rv = nng_aio_result(aio1);
NUTS_ASSERT(rv == NNG_EADDRINVAL || rv == NNG_ENOTSUP);
nng_aio_free(aio1);
nng_udp_close(u1);
}
void
test_udp_bogus_bind(void)
{
nng_udp *u;
nng_sockaddr sa = { 0 };
int rv;
sa.s_ipc.sa_family = NNG_AF_IPC;
strcpy(sa.s_ipc.sa_path, "/tmp/t");
rv = nng_udp_open(&u, &sa);
// Some platforms reject IPC addresses altogether (Windows),
// whereas others just say it's not supported with UDP.
NUTS_ASSERT((rv == NNG_ENOTSUP) || (rv == NNG_EADDRINVAL));
NUTS_MSG("Result was %d %s", rv, nng_strerror(rv));
// NULL address also bad.
NUTS_FAIL(nng_udp_open(&u, NULL), NNG_EADDRINVAL);
}
void
test_udp_duplicate_bind(void)
{
nng_udp *u1;
nng_udp *u2;
nng_sockaddr sa = { 0 };
sa.s_in.sa_family = NNG_AF_INET;
sa.s_in.sa_addr = htonl(0x7f000001);
NUTS_PASS(nng_udp_open(&u1, &sa));
NUTS_PASS(nng_udp_sockname(u1, &sa));
NUTS_FAIL(nng_udp_open(&u2, &sa), NNG_EADDRINUSE);
nng_udp_close(u1);
}
void
test_udp_multicast_membership(void)
{
nng_udp *u1;
nng_sockaddr sa = { 0 };
nng_sockaddr mc = { 0 };
mc.s_in.sa_family = NNG_AF_INET;
mc.s_in.sa_addr = htonl(0xe0000001); // 224.0.0.1 ... all hosts
sa.s_in.sa_family = NNG_AF_INET;
sa.s_in.sa_addr = htonl(0x7f000001);
NUTS_PASS(nng_udp_open(&u1, &sa));
NUTS_PASS(nng_udp_sockname(u1, &sa));
NUTS_PASS(nng_udp_multicast_membership(u1, &mc, true));
NUTS_PASS(nng_udp_multicast_membership(u1, &mc, false));
nng_udp_close(u1);
}
void
test_udp_multicast_send_recv(void)
{
nng_udp *u1;
nng_udp *u2;
nng_sockaddr sa1 = { 0 };
nng_sockaddr sa2 = { 0 };
nng_sockaddr ra2 = { 0 };
nng_sockaddr mc = { 0 };
char *msg = "multi";
nng_iov iov1;
nng_iov iov2;
nng_aio *aio1;
nng_aio *aio2;
char rbuf[32];
mc.s_in.sa_family = NNG_AF_INET;
mc.s_in.sa_addr = htonl(0xe0000001); // 224.0.0.1 ... all hosts
sa1.s_in.sa_family = NNG_AF_INET;
sa1.s_in.sa_addr = htonl(0x7f000001);
sa2.s_in.sa_family = NNG_AF_INET;
sa2.s_in.sa_addr = htonl(0x7f000001);
NUTS_PASS(nng_udp_open(&u1, &sa1));
NUTS_PASS(nng_udp_sockname(u1, &sa1));
NUTS_PASS(nng_udp_open(&u2, &sa2));
NUTS_PASS(nng_udp_sockname(u2, &sa2));
NUTS_PASS(nng_udp_multicast_membership(u1, &mc, true));
NUTS_PASS(nng_udp_multicast_membership(u2, &mc, true));
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_aio_alloc(&aio2, NULL, NULL));
iov1.iov_buf = msg;
iov1.iov_len = strlen(msg) + 1;
NUTS_PASS(nng_aio_set_iov(aio1, 1, &iov1));
NUTS_PASS(nng_aio_set_input(aio1, 0, &sa2));
iov2.iov_buf = rbuf;
iov2.iov_len = sizeof(rbuf);
NUTS_PASS(nng_aio_set_iov(aio2, 1, &iov2));
NUTS_PASS(nng_aio_set_input(aio2, 0, &ra2));
nng_udp_recv(u2, aio2);
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
nng_aio_wait(aio2);
NUTS_PASS(nng_aio_result(aio1));
NUTS_PASS(nng_aio_result(aio2));
NUTS_MATCH(msg, rbuf);
nng_udp_close(u1);
nng_udp_close(u2);
nng_aio_free(aio1);
nng_aio_free(aio2);
}
void
test_udp_send_v6_from_v4(void)
{
#ifdef NNG_ENABLE_IPV6
int rv;
nng_udp *u1;
nng_sockaddr sa = { 0 };
nng_aio *aio1;
nng_iov iov1;
char *msg = "nope";
const uint8_t google[16] = { 0x26, 0x07, 0xf8, 0xb0, 0x40, 0x07, 0x40,
0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x0e };
memset(&sa, 0, sizeof(sa));
sa.s_in.sa_family = NNG_AF_INET;
sa.s_in.sa_addr = htonl(0x7f000001);
NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL));
NUTS_PASS(nng_udp_open(&u1, &sa));
sa.s_in6.sa_family = NNG_AF_INET6;
memcpy(sa.s_in6.sa_addr, google, 16);
sa.s_in6.sa_port = htons(80);
iov1.iov_len = strlen(msg) + 1;
iov1.iov_buf = msg;
nng_aio_set_iov(aio1, 1, &iov1);
nng_aio_set_input(aio1, 0, &sa);
nng_udp_send(u1, aio1);
nng_aio_wait(aio1);
rv = nng_aio_result(aio1);
NUTS_ASSERT((rv == NNG_EADDRINVAL) || (rv == NNG_ENOTSUP) ||
(rv == NNG_EUNREACHABLE));
nng_aio_free(aio1);
nng_udp_close(u1);
#else
NUTS_SKIP("IPv6 not enabled");
#endif
}
NUTS_TESTS = {
{ "udp pair", test_udp_pair },
{ "udp scatter gather", test_udp_scatter_gather },
{ "udp send recv multi", test_udp_multi_send_recv },
{ "udp send no address", test_udp_send_no_addr },
{ "udp send ipc address", test_udp_send_ipc },
{ "udp bogus bind", test_udp_bogus_bind },
{ "udp duplicate bind", test_udp_duplicate_bind },
{ "udp multicast membership", test_udp_multicast_membership },
{ "udp multicast send recv", test_udp_multicast_send_recv },
{ "udp send v6 from v4", test_udp_send_v6_from_v4 },
{ NULL, NULL },
};
|
