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[209.217.208.226]) by smtp.googlemail.com with ESMTPSA id m29sm1247848qtf.1.2019.12.10.07.48.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 07:48:02 -0800 (PST) X-Inumbo-ID: 73741506-1b64-11ea-a1e1-bc764e2007e4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=c8eG9nY6uSAld50WZyo55/GW778waof2L41HLOEHCKQ=; b=bGd4ymgkVlVL1phXwcmu5aPmfqdTvLi6u5ExaiW9g829fXig+NFceUzr6jTqtV5gwf eYIuiTYlaXmrTnukn6XCoLjlQlBFSHZTtzP2RcN0w8sV70fqZ0jEnbs4a0e4Dp0UIcFD lT2eE3O1i09NHJ9ORk4nd6QBgdQjXc5o2CJXyQcytZmqOcmnbIfYiuOv7QV5MGCLUd/4 CPWXCR+OdVwWhMtt/+sg+/5+HR1aIikUC+p4Twuo+tFE/QFWus64gOEPlRqi2PhMVwI2 0ikez2OYCUS/T9Z7g96/PKv2GEyDwgFYeVC40PSXp0GCe/49mdokT8SwMlSs/JwDOkyc idzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=c8eG9nY6uSAld50WZyo55/GW778waof2L41HLOEHCKQ=; b=ai1fpvJmD0rhGP46/6x1a3x7wbIuiiKADNJbXpgwAqOvXK7a6wDMa0VS3gZx7PULXm qvX0/14f8Fa4AtFfaba2t7SDWVqBEAv8yMKWmGHctCiIOFoGg4G5Z5oXzdQO0iL2nCy1 DqJa8nzaVeZP8CKbDYFk+S5mKVxh7myG6rsoj21RpzQDCXS+tHEqAQjAp188v+JejWsO lT/pH8o3UtQ2xrGsQsATKHMeTTp7+qP9HMFTzO7O1oqMxXkh4LEes4DYbJ95+j+uRAl9 4fWeX3LGkv8Cv9fOWroWHVK0F7YfS7tgZCiawEkztSa6Juvw9tJDwTEEx3R9nV5CyuSw DAqQ== X-Gm-Message-State: APjAAAUT5iik6+NFWhxJ+rRvurHkMVbyqehXgUE22qSJWXRE/9NoMQJo 6LTOo4b8XCYYt0eQChCbTJbjZbG8 X-Google-Smtp-Source: APXvYqz8TJn17TN6D32LLH5uf7D2c0reXOGZrLTbJ9v2fyFuFDZQHnaIsX4Y0WMjgqTi4SuVUxxP4g== X-Received: by 2002:ac8:5159:: with SMTP id h25mr31205583qtn.101.1575992882974; Tue, 10 Dec 2019 07:48:02 -0800 (PST) From: Nick Rosbrook To: xen-devel@lists.xenproject.org Date: Tue, 10 Dec 2019 10:47:26 -0500 Message-Id: <0003ff86099be24d6b5a2131393189da6bf5bab7.1575990937.git.rosbrookn@ainfosec.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v3 11/22] golang/xenlight: re-factor Uuid type implementation X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Nick Rosbrook , Ian Jackson , kerriganb@ainfosec.com, George Dunlap , Wei Liu Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Nick Rosbrook Re-define Uuid as [16]byte and implement fromC, toC, and String functions. Signed-off-by: Nick Rosbrook Reviewed-by: George Dunlap --- Changes in v3: - In fromC, iterate over the indirect of u instead of creating a slice from the C type. --- tools/golang/xenlight/xenlight.go | 35 +++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/tools/golang/xenlight/xenlight.go b/tools/golang/xenlight/xenl= ight.go index 6b87bf857d..f9c2f84c81 100644 --- a/tools/golang/xenlight/xenlight.go +++ b/tools/golang/xenlight/xenlight.go @@ -86,7 +86,38 @@ type Devid int =20 type MemKB uint64 =20 -type Uuid C.libxl_uuid +// Uuid is a domain UUID. +type Uuid [16]byte + +// String formats a Uuid in the form "xxxx-xx-xx-xx-xxxxxx". +func (u Uuid) String() string { + s :=3D "%x%x%x%x-%x%x-%x%x-%x%x-%x%x%x%x%x%x" + opts :=3D make([]interface{}, 16) + + for i, v :=3D range u { + opts[i] =3D v + } + + return fmt.Sprintf(s, opts...) +} + +func (u *Uuid) fromC(c *C.libxl_uuid) error { + for i :=3D range *u { + u[i] =3D byte(c.uuid[i]) + } + + return nil +} + +func (u *Uuid) toC() (C.libxl_uuid, error) { + var c C.libxl_uuid + + for i, v :=3D range u { + c.uuid[i] =3D C.uint8_t(v) + } + + return c, nil +} =20 // defboolVal represents a defbool value. type defboolVal int @@ -495,7 +526,7 @@ type Dominfo struct { func (cdi *C.libxl_dominfo) toGo() (di *Dominfo) { =20 di =3D &Dominfo{} - di.Uuid =3D Uuid(cdi.uuid) + di.Uuid.fromC(&cdi.uuid) di.Domid =3D Domid(cdi.domid) di.Ssidref =3D uint32(cdi.ssidref) di.SsidLabel =3D C.GoString(cdi.ssid_label) --=20 2.19.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel