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/*
* Copyright (c) 2006-2026, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "tc_af_unix.h"
#define TC_AF_UNIX_POLL_STACK 4096
#define TC_AF_UNIX_POLL_PRIO 20
struct tc_af_unix_poll_ctx
{
int fd;
int result;
short revents;
struct rt_event done;
};
static void tc_af_unix_poll_entry(void *parameter)
{
struct pollfd poll_fd;
struct tc_af_unix_poll_ctx *ctx;
ctx = (struct tc_af_unix_poll_ctx *)parameter;
poll_fd.fd = ctx->fd;
poll_fd.events = POLLIN;
poll_fd.revents = 0;
ctx->result = poll(&poll_fd, 1, 3000);
ctx->revents = poll_fd.revents;
rt_event_send(&ctx->done, 0x1);
}
static void tc_af_unix_stream_readiness(void)
{
char buffer[8];
char *fill;
const char payload[] = "poll";
int result;
int sockets[2] = { -1, -1 };
rt_size_t sent = 0;
struct pollfd poll_fd;
result = socketpair(AF_UNIX, SOCK_STREAM, 0, sockets);
uassert_int_equal(result, 0);
if (result < 0)
{
return;
}
poll_fd.fd = sockets[1];
poll_fd.events = POLLIN | POLLOUT;
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 1);
uassert_true((poll_fd.revents & POLLOUT) != 0);
uassert_true((poll_fd.revents & POLLIN) == 0);
uassert_int_equal(send(sockets[0], payload, sizeof(payload), 0),
sizeof(payload));
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 1);
uassert_true((poll_fd.revents & POLLIN) != 0);
uassert_int_equal(recv(sockets[1], buffer, sizeof(buffer), 0),
sizeof(payload));
fill = (char *)rt_malloc(AF_UNIX_STREAM_BUFFER_SIZE);
uassert_true(fill != RT_NULL);
if (fill != RT_NULL)
{
rt_memset(fill, 'x', AF_UNIX_STREAM_BUFFER_SIZE);
uassert_int_equal(fcntl(sockets[0], F_SETFL, O_NONBLOCK), 0);
while (sent < AF_UNIX_STREAM_BUFFER_SIZE)
{
result = send(sockets[0], fill + sent,
AF_UNIX_STREAM_BUFFER_SIZE - sent, 0);
if (result <= 0)
{
break;
}
sent += (rt_size_t)result;
}
uassert_int_equal(sent, AF_UNIX_STREAM_BUFFER_SIZE);
poll_fd.fd = sockets[0];
poll_fd.events = POLLOUT;
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 0);
uassert_int_equal(recv(sockets[1], fill, 64, 0), 64);
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 1);
uassert_true((poll_fd.revents & POLLOUT) != 0);
rt_free(fill);
}
uassert_int_equal(shutdown(sockets[0], SHUT_WR), 0);
poll_fd.fd = sockets[1];
poll_fd.events = POLLIN;
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 1);
uassert_true((poll_fd.revents & POLLIN) != 0);
tc_af_unix_closesocket(&sockets[0]);
tc_af_unix_closesocket(&sockets[1]);
}
static void tc_af_unix_dgram_readiness(void)
{
char buffer[2];
const char payload[] = "x";
int error;
int index;
int result;
int sockets[2] = { -1, -1 };
struct pollfd poll_fd;
result = socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, sockets);
uassert_int_equal(result, 0);
if (result < 0)
{
return;
}
poll_fd.fd = sockets[1];
poll_fd.events = POLLIN;
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 0);
for (index = 0; index < AF_UNIX_DGRAM_QUEUE_LEN; index++)
{
uassert_int_equal(send(sockets[0], payload, sizeof(payload), 0),
sizeof(payload));
}
result = send(sockets[0], payload, sizeof(payload), 0);
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, EAGAIN);
poll_fd.revents = 0;
uassert_int_equal(poll(&poll_fd, 1, 0), 1);
uassert_true((poll_fd.revents & POLLIN) != 0);
uassert_int_equal(recv(sockets[1], buffer, sizeof(buffer), 0),
sizeof(payload));
uassert_int_equal(send(sockets[0], payload, sizeof(payload), 0),
sizeof(payload));
result = send(sockets[0], payload, AF_UNIX_DGRAM_MAX_SIZE + 1, 0);
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, EMSGSIZE);
tc_af_unix_closesocket(&sockets[0]);
tc_af_unix_closesocket(&sockets[1]);
}
static void tc_af_unix_poll_peer_close(void)
{
int sockets[2] = { -1, -1 };
rt_err_t wait;
rt_thread_t thread;
rt_uint32_t recved;
struct tc_af_unix_poll_ctx ctx;
uassert_int_equal(socketpair(AF_UNIX, SOCK_STREAM, 0, sockets), 0);
if (sockets[0] < 0)
{
return;
}
rt_memset(&ctx, 0, sizeof(ctx));
ctx.fd = sockets[0];
ctx.result = -2;
uassert_int_equal(rt_event_init(&ctx.done, "utafup", RT_IPC_FLAG_PRIO),
RT_EOK);
thread = rt_thread_create("utafup", tc_af_unix_poll_entry, &ctx,
TC_AF_UNIX_POLL_STACK, TC_AF_UNIX_POLL_PRIO, 10);
uassert_true(thread != RT_NULL);
if (thread == RT_NULL)
{
rt_event_detach(&ctx.done);
tc_af_unix_closesocket(&sockets[0]);
tc_af_unix_closesocket(&sockets[1]);
return;
}
rt_thread_startup(thread);
rt_thread_mdelay(50);
tc_af_unix_closesocket(&sockets[1]);
wait = rt_event_recv(&ctx.done, 0x1,
RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
rt_tick_from_millisecond(3000), &recved);
uassert_int_equal(wait, RT_EOK);
uassert_int_equal(ctx.result, 1);
uassert_true((ctx.revents & (POLLIN | POLLHUP)) != 0);
rt_event_detach(&ctx.done);
tc_af_unix_closesocket(&sockets[0]);
tc_af_unix_closesocket(&sockets[1]);
}
static void tc_af_unix_poll_testcase(void)
{
UTEST_UNIT_RUN(tc_af_unix_stream_readiness);
UTEST_UNIT_RUN(tc_af_unix_dgram_readiness);
UTEST_UNIT_RUN(tc_af_unix_poll_peer_close);
}
UTEST_TC_EXPORT(tc_af_unix_poll_testcase, "components.dfs.v2.af_unix.poll",
RT_NULL, RT_NULL, 20);
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