mirror of https://gitee.com/openkylin/qemu.git
qemu-sockets: introduce socket_address_parse_named_fd()
Add function that transforms named fd inside SocketAddress structure into number representation. This way it may be then used in a context where current monitor is not available. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20210610100802.5888-6-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: comment tweak] Signed-off-by: Eric Blake <eblake@redhat.com>
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@ -111,4 +111,15 @@ SocketAddress *socket_remote_address(int fd, Error **errp);
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*/
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SocketAddress *socket_address_flatten(SocketAddressLegacy *addr);
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/**
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* socket_address_parse_named_fd:
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*
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* Modify @addr, replacing a named fd by its corresponding number.
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* Needed for callers that plan to pass @addr to a context where the
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* current monitor is not available.
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*
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* Return 0 on success.
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*/
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int socket_address_parse_named_fd(SocketAddress *addr, Error **errp);
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#endif /* QEMU_SOCKETS_H */
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@ -1164,6 +1164,25 @@ static int socket_get_fd(const char *fdstr, Error **errp)
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return fd;
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}
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int socket_address_parse_named_fd(SocketAddress *addr, Error **errp)
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{
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int fd;
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if (addr->type != SOCKET_ADDRESS_TYPE_FD) {
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return 0;
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}
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fd = socket_get_fd(addr->u.fd.str, errp);
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if (fd < 0) {
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return fd;
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}
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g_free(addr->u.fd.str);
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addr->u.fd.str = g_strdup_printf("%d", fd);
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return 0;
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}
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int socket_connect(SocketAddress *addr, Error **errp)
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{
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int fd;
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