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Tsirkin" Subject: [PATCH v10 17/17] net: stream: add QAPI events to report connection state Date: Wed, 5 Oct 2022 18:20:51 +0200 Message-Id: <20221005162051.1120041-18-lvivier@redhat.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221005162051.1120041-1-lvivier@redhat.com> References: <20221005162051.1120041-1-lvivier@redhat.com> MIME-Version: 1.0 X-Provags-ID: V03:K1:FeeVUmUVqZAXA9vnWy09Ptp2DcaGUWfqZVV0nkmUM/fsVbz4FlP MV3gOqBiZsV07uDMlp0Eb2+Fw/Ldv4Mk6dYG9AEOHD7wKPu0M4KCN5v789VT8Y9o8sJlhHY VrrergbI5Ql5ewo6LvJ2LKLyaPmxRwTc8Hus8AFzUHpTiaR+R6S9RqHCjHN/jXpSj5tQl77 QTLd5E1QlrW+eUo7hFKfA== X-UI-Out-Filterresults: notjunk:1;V03:K0:3Mt3iotd5WY=:oKKoJR4CFw6QXT19Oi59zE Q63JgRPN7V5jIohJ74WpzgxhXHq23K2LqqRbnuOC6EleKf/0C7yPDco6adDmhB4yxaamGlWRl BstbaN4a5cdxcsmxaOPAu6QfJ07KfwU6Z2fB6Ai+fQzNCJxDi72A7x795CCCMhcXjhFLRlxAq PZ5Q+DzKc5C2+C1LyxAiAI4fDDbEo5w4TU4c1bzIeSQwGPvB/z6dFdoji69PsrvSVMWM0MtqM w4Lj32oZUQK4KHm8xYtro/mQqE5B1y/YQMtrZ4B2swR2FAy6SJ2gg/Qb6Cjhjz1s0WYiXX52I bs3H2xwzdGhMb170x4Y9lHqw5Im+E8FxejhYy/vpKAL97XLjYyb6Puo20sA7LWtLX/fiY0yu6 6zz0dYOqLp2hEs+1daiRYl8D/1tWEu8fXnlk+168I/3CVTkgQ+box6hwhWaIQJgGlesXM6533 q31ODpIiALpZBKNByCzLp3edZh1Y+r1G7gBeDKrVrtEWxtDukMRng0F/pFQRuU3tk8BG3jbB7 EV83IahpNxNOxwbCyRV4sXoBJaSBwF9tBpTt7lrwhsxLHY9n0AC6z7rv1RAMcl3qugmZKb8ud 2iYuFs1CU7zSdohG9eCp/9gZzNkROWGBp2P7Mp1wZS78rNP/1AuvaycjL2Ys0q16L0L2151c+ nxBu9gsWS1Fa+1TnFwusK19UNhz3Y6ENY0GZi1yKeOnkhl3BHyoqLUZEsaCdmQy5VQV9WTThN tzdoKUbwmfzpI0w6LZqc8QX72OTz+/9bj9/5jxZX3eMKMZl0Oz/zyY5B4HOpPKgKaTAK0wv8q aeFUW9M Received-SPF: permerror client-ip=217.72.192.73; envelope-from=lvivier@redhat.com; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_FAIL=0.001, SPF_HELO_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The netdev reports NETDEV_STREAM_CONNECTED event when the backend is connected, and NETDEV_STREAM_EOC when it is disconnected. The NETDEV_STREAM_CONNECTED event includes the URI of the destination address. Signed-off-by: Laurent Vivier --- net/stream.c | 11 +++++++++-- qapi/net.json | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+), 2 deletions(-) diff --git a/net/stream.c b/net/stream.c index 8e4618e3f84d..926c6e6a015e 100644 --- a/net/stream.c +++ b/net/stream.c @@ -38,6 +38,7 @@ #include "io/channel.h" #include "io/channel-socket.h" #include "io/net-listener.h" +#include "qapi/qapi-events-net.h" typedef struct NetStreamState { NetClientState nc; @@ -169,6 +170,8 @@ static gboolean net_stream_send(QIOChannel *ioc, s->nc.link_down = true; qemu_set_info_str(&s->nc, ""); + qapi_event_send_netdev_stream_eoc(s->nc.name); + return G_SOURCE_REMOVE; } buf = buf1; @@ -244,9 +247,10 @@ static void net_stream_listen(QIONetListener *listener, g_assert(addr != NULL); uri = socket_uri(addr); qemu_set_info_str(&s->nc, uri); - g_free(uri); qapi_free_SocketAddress(addr); + qapi_event_send_netdev_stream_connected(s->nc.name, uri); + g_free(uri); } static void net_stream_server_listening(QIOTask *task, gpointer opaque) @@ -318,12 +322,12 @@ static void net_stream_client_connected(QIOTask *task, gpointer opaque) g_assert(addr != NULL); uri = socket_uri(addr); qemu_set_info_str(&s->nc, uri); - g_free(uri); ret = qemu_socket_try_set_nonblock(sioc->fd); if (addr->type == SOCKET_ADDRESS_TYPE_FD && ret < 0) { qemu_set_info_str(&s->nc, "can't use file descriptor %s (errno %d)", addr->u.fd.str, -ret); + g_free(uri); return; } g_assert(ret == 0); @@ -336,6 +340,9 @@ static void net_stream_client_connected(QIOTask *task, gpointer opaque) s->ioc_read_tag = qio_channel_add_watch(s->ioc, G_IO_IN, net_stream_send, s, NULL); + + qapi_event_send_netdev_stream_connected(s->nc.name, uri); + g_free(uri); } static int net_stream_client_init(NetClientState *peer, diff --git a/qapi/net.json b/qapi/net.json index 14d1531536c5..3173682b4e09 100644 --- a/qapi/net.json +++ b/qapi/net.json @@ -891,3 +891,49 @@ ## { 'event': 'FAILOVER_NEGOTIATED', 'data': {'device-id': 'str'} } + +## +# @NETDEV_STREAM_CONNECTED: +# +# Emitted when the netdev stream backend is connected +# +# @netdev-id: QEMU netdev id that is connected +# @uri: The Uniform Resource Identifier identifying the destination address +# +# Since: 7.2 +# +# Example: +# +# <- { 'event': 'NETDEV_STREAM_CONNECTED', +# 'data': {'uri': 'tcp:::1:1234', 'netdev-id': 'netdev0'}, +# 'timestamp': {'seconds': 1663330564, 'microseconds': 804317} } +# +# or +# +# <- { 'event': 'NETDEV_STREAM_CONNECTED', +# 'data': {'uri': ''unix:/tmp/qemu0', 'netdev-id': 'netdev0'}, +# 'timestamp': {'seconds': 1663330564, 'microseconds': 804317} } +# +## +{ 'event': 'NETDEV_STREAM_CONNECTED', + 'data': { 'netdev-id': 'str', + 'uri': 'str' } } + +## +# @NETDEV_STREAM_EOC: +# +# Emitted when the netdev stream backend is disconnected +# +# @netdev-id: QEMU netdev id that is disconnected +# +# Since: 7.2 +# +# Example: +# +# <- { 'event': 'NETDEV_STREAM_EOC', +# 'data': {'netdev-id': 'netdev0'}, +# 'timestamp': {'seconds': 1663330937, 'microseconds': 526695} } +# +## +{ 'event': 'NETDEV_STREAM_EOC', + 'data': { 'netdev-id': 'str' } }