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Re: [Qemu-devel] [PATCH v4 5/9] sockets: move fd_is_socket() into common
From: |
Marc-Andre Lureau |
Subject: |
Re: [Qemu-devel] [PATCH v4 5/9] sockets: move fd_is_socket() into common sockets code |
Date: |
Mon, 5 Feb 2018 17:13:41 +0100 |
On Mon, Feb 5, 2018 at 4:24 PM, Daniel P. Berrangé <address@hidden> wrote:
> From: "Daniel P. Berrange" <address@hidden>
>
> The fd_is_socket() helper method is useful in a few places, so put it in
> the common sockets code. Make the code more compact while moving it.
>
> Signed-off-by: Daniel P. Berrange <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
> ---
> include/qemu/sockets.h | 1 +
> io/channel-util.c | 13 --------
> tests/.gitignore | 1 +
> tests/Makefile.include | 3 ++
> tests/test-util-sockets.c | 77
> +++++++++++++++++++++++++++++++++++++++++++++++
> util/qemu-sockets.c | 8 +++++
> 6 files changed, 90 insertions(+), 13 deletions(-)
> create mode 100644 tests/test-util-sockets.c
>
> diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h
> index 8889bcb1ec..88777590dd 100644
> --- a/include/qemu/sockets.h
> +++ b/include/qemu/sockets.h
> @@ -12,6 +12,7 @@ int inet_aton(const char *cp, struct in_addr *ia);
> #include "qapi-types.h"
>
> /* misc helpers */
> +bool fd_is_socket(int fd);
> int qemu_socket(int domain, int type, int protocol);
> int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
> int socket_set_cork(int fd, int v);
> diff --git a/io/channel-util.c b/io/channel-util.c
> index 0fb4bd0837..423d79845a 100644
> --- a/io/channel-util.c
> +++ b/io/channel-util.c
> @@ -24,19 +24,6 @@
> #include "io/channel-socket.h"
>
>
> -static bool fd_is_socket(int fd)
> -{
> - int optval;
> - socklen_t optlen;
> - optlen = sizeof(optval);
> - return qemu_getsockopt(fd,
> - SOL_SOCKET,
> - SO_TYPE,
> - (char *)&optval,
> - &optlen) == 0;
> -}
> -
> -
> QIOChannel *qio_channel_new_fd(int fd,
> Error **errp)
> {
> diff --git a/tests/.gitignore b/tests/.gitignore
> index e5c744b7ed..e2e3f71db7 100644
> --- a/tests/.gitignore
> +++ b/tests/.gitignore
> @@ -87,6 +87,7 @@ test-thread-pool
> test-throttle
> test-timed-average
> test-uuid
> +test-util-sockets
> test-visitor-serialization
> test-vmstate
> test-write-threshold
> diff --git a/tests/Makefile.include b/tests/Makefile.include
> index 7bfdabeb6d..c2b51ef93c 100644
> --- a/tests/Makefile.include
> +++ b/tests/Makefile.include
> @@ -136,6 +136,7 @@ ifneq (,$(findstring qemu-ga,$(TOOLS)))
> check-unit-$(CONFIG_LINUX) += tests/test-qga$(EXESUF)
> endif
> check-unit-y += tests/test-timed-average$(EXESUF)
> +check-unit-y += tests/test-util-sockets$(EXESUF)
> check-unit-y += tests/test-io-task$(EXESUF)
> check-unit-y += tests/test-io-channel-socket$(EXESUF)
> check-unit-y += tests/test-io-channel-file$(EXESUF)
> @@ -706,6 +707,8 @@ tests/test-crypto-tlscredsx509$(EXESUF):
> tests/test-crypto-tlscredsx509.o \
> tests/test-crypto-tlssession.o-cflags := $(TASN1_CFLAGS)
> tests/test-crypto-tlssession$(EXESUF): tests/test-crypto-tlssession.o \
> tests/crypto-tls-x509-helpers.o tests/pkix_asn1_tab.o
> $(test-crypto-obj-y)
> +tests/test-util-sockets$(EXESUF): tests/test-util-sockets.o \
> + tests/socket-helpers.o $(test-util-obj-y)
> tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
> tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
> tests/io-channel-helpers.o tests/socket-helpers.o $(test-io-obj-y)
> diff --git a/tests/test-util-sockets.c b/tests/test-util-sockets.c
> new file mode 100644
> index 0000000000..65190e0530
> --- /dev/null
> +++ b/tests/test-util-sockets.c
> @@ -0,0 +1,77 @@
> +/*
> + * Tests for util/qemu-sockets.c
> + *
> + * Copyright 2018 Red Hat, Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this library; if not, see <http://www.gnu.org/licenses/>.
> + *
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qemu-common.h"
> +#include "qemu/sockets.h"
> +#include "qapi/error.h"
> +#include "socket-helpers.h"
> +
> +static void test_fd_is_socket_bad(void)
> +{
> + char *tmp = g_strdup("qemu-test-util-sockets-XXXXXX");
> + int fd = mkstemp(tmp);
> + if (fd != 0) {
> + unlink(tmp);
> + }
> + g_free(tmp);
> +
> + g_assert(fd >= 0);
> +
> + g_assert(!fd_is_socket(fd));
> + close(fd);
> +}
> +
> +static void test_fd_is_socket_good(void)
> +{
> + int fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
> +
> + g_assert(fd >= 0);
> +
> + g_assert(fd_is_socket(fd));
> + close(fd);
> +}
> +
> +int main(int argc, char **argv)
> +{
> + bool has_ipv4, has_ipv6;
> +
> + socket_init();
> +
> + g_test_init(&argc, &argv, NULL);
> +
> + /* We're creating actual IPv4/6 sockets, so we should
> + * check if the host running tests actually supports
> + * each protocol to avoid breaking tests on machines
> + * with either IPv4 or IPv6 disabled.
> + */
> + if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
> + return 1;
> + }
> +
> + if (has_ipv4) {
> + g_test_add_func("/util/socket/is-socket/bad",
> + test_fd_is_socket_bad);
> + g_test_add_func("/util/socket/is-socket/good",
> + test_fd_is_socket_good);
> + }
> +
> + return g_test_run();
> +}
> diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
> index d6a1e1759e..3e36584a00 100644
> --- a/util/qemu-sockets.c
> +++ b/util/qemu-sockets.c
> @@ -91,6 +91,14 @@ NetworkAddressFamily inet_netfamily(int family)
> return NETWORK_ADDRESS_FAMILY_UNKNOWN;
> }
>
> +bool fd_is_socket(int fd)
> +{
> + int optval;
> + socklen_t optlen = sizeof(optval);
> + return !qemu_getsockopt(fd, SOL_SOCKET, SO_TYPE, &optval, &optlen);
> +}
> +
> +
> /*
> * Matrix we're trying to apply
> *
> --
> 2.14.3
>
- [Qemu-devel] [PATCH v4 0/9] Enable passing pre-opened chardev socket FD, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 1/9] char: don't silently skip tn3270 protocol init when TLS is enabled, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 2/9] cutils: add qemu_strtoi & qemu_strtoui parsers for int/unsigned int types, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 4/9] sockets: strengthen test suite IP protocol availability checks, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 3/9] sockets: pull code for testing IP availability out of specific test, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 6/9] sockets: check that the named file descriptor is a socket, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 5/9] sockets: move fd_is_socket() into common sockets code, Daniel P . Berrangé, 2018/02/05
- Re: [Qemu-devel] [PATCH v4 5/9] sockets: move fd_is_socket() into common sockets code,
Marc-Andre Lureau <=
- [Qemu-devel] [PATCH v4 7/9] sockets: allow SocketAddress 'fd' to reference numeric file descriptors, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 8/9] char: refactor parsing of socket address information, Daniel P . Berrangé, 2018/02/05
- [Qemu-devel] [PATCH v4 9/9] char: allow passing pre-opened socket file descriptor at startup, Daniel P . Berrangé, 2018/02/05
- Re: [Qemu-devel] [PATCH v4 0/9] Enable passing pre-opened chardev socket FD, no-reply, 2018/02/05