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Receive RST packets as ECONNRESET errors

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This commit is contained in:
Ruihan Li
2025-02-24 23:07:58 +08:00
committed by Tate, Hongliang Tian
parent aa29640ed7
commit d40d452e9d
6 changed files with 256 additions and 31 deletions
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27
test/apps/network/tcp_poll.c
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@ -230,14 +230,27 @@ FN_TEST(poll_shutdown_readwrite)
CHECK(write(sk_connect, buf, 4096));
// TODO: The following test cannot be passed on Asterinas due to the following reasons:
// 1. On Linux, an RST packet is generated when attempting to write to a closed socket.
// However, Asterinas currently does not generate this packet.
// 2. RST packets cause a POLLERR on Linux, but Asterinas currently lack support for this.
// 1. An RST packet is generated when attempting to write to a closed socket.
// 2. The RST packet will cause a POLLERR.
pfd.fd = sk_connect;
TEST_RES(poll(&pfd, 1, 0),
pfd.revents ==
(POLLIN | POLLOUT | POLLRDHUP | POLLHUP | POLLERR));
pfd.fd = sk_accept;
TEST_RES(poll(&pfd, 1, 0),
pfd.revents ==
(POLLIN | POLLOUT | POLLRDHUP | POLLHUP | POLLERR));
// TEST_RES(poll(&pfd, 1, 0),
// pfd.revents ==
// (POLLIN | POLLOUT | POLLRDHUP | POLLHUP | POLLERR));
int err = 0;
socklen_t errlen = sizeof(err);
// FIXME: This socket error should be `EPIPE`, but in Asterinas it is
// `ECONNRESET`. See the Linux implementation for details:
// <https://github.com/torvalds/linux/blob/848e076317446f9c663771ddec142d7c2eb4cb43/net/ipv4/tcp_input.c#L4553-L4555>.
//
// TEST_RES(getsockopt(sk_connect, SOL_SOCKET, SO_ERROR, &err, &errlen),
// errlen == sizeof(err) && err == EPIPE);
TEST_RES(getsockopt(sk_accept, SOL_SOCKET, SO_ERROR, &err, &errlen),
errlen == sizeof(err) && err == ECONNRESET);
}
END_TEST()