From b8b5278aca78be4a1c2e7cbb11c6be176f63706d Mon Sep 17 00:00:00 2001 From: Juraj Marcin Date: Wed, 21 May 2025 15:52:31 +0200 Subject: [PATCH] util/qemu-sockets: Refactor setting client sockopts into a separate function MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This is done in preparation for enabling the SO_KEEPALIVE support for server sockets and adding settings for more TCP keep-alive socket options. Signed-off-by: Juraj Marcin Reviewed-by: Daniel P. Berrangé Signed-off-by: Daniel P. Berrangé --- util/qemu-sockets.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c index 77477c1cd5..4a878e0527 100644 --- a/util/qemu-sockets.c +++ b/util/qemu-sockets.c @@ -205,6 +205,22 @@ static int try_bind(int socket, InetSocketAddress *saddr, struct addrinfo *e) #endif } +static int inet_set_sockopts(int sock, InetSocketAddress *saddr, Error **errp) +{ + if (saddr->keep_alive) { + int keep_alive = 1; + int ret = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, + &keep_alive, sizeof(keep_alive)); + + if (ret < 0) { + error_setg_errno(errp, errno, + "Unable to set keep-alive option on socket"); + return -1; + } + } + return 0; +} + static int inet_listen_saddr(InetSocketAddress *saddr, int port_offset, int num, @@ -475,16 +491,9 @@ int inet_connect_saddr(InetSocketAddress *saddr, Error **errp) return sock; } - if (saddr->keep_alive) { - int val = 1; - int ret = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, - &val, sizeof(val)); - - if (ret < 0) { - error_setg_errno(errp, errno, "Unable to set KEEPALIVE"); - close(sock); - return -1; - } + if (inet_set_sockopts(sock, saddr, errp) < 0) { + close(sock); + return -1; } return sock; -- 2.39.5