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Connection.kernelResponseForOp

geesefs-0-30-9
Aaron Jacobs 2015-07-28 16:17:06 +10:00
parent 5238806cff
commit 384f32c2a3
1 changed files with 44 additions and 45 deletions
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89
conversions.go
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@ -419,29 +419,28 @@ func (c *Connection) kernelResponse(
// Like kernelResponse, but assumes the user replied with a nil error to the
// op. Returns a nil response if no response is required.
func kernelResponseForOp(
op interface{},
protocol fusekernel.Protocol) (b buffer.OutMessage) {
func (c *Connection) kernelResponseForOp(
op interface{}) (m *buffer.OutMessage) {
// Create the appropriate output message
switch o := op.(type) {
case *fuseops.LookUpInodeOp:
size := fusekernel.EntryOutSize(protocol)
b = buffer.NewOutMessage(size)
out := (*fusekernel.EntryOut)(b.Grow(size))
size := fusekernel.EntryOutSize(c.protocol)
m = c.getOutMessage()
out := (*fusekernel.EntryOut)(m.Grow(size))
convertChildInodeEntry(&o.Entry, out)
case *fuseops.GetInodeAttributesOp:
size := fusekernel.AttrOutSize(protocol)
b = buffer.NewOutMessage(size)
out := (*fusekernel.AttrOut)(b.Grow(size))
size := fusekernel.AttrOutSize(c.protocol)
m = c.getOutMessage()
out := (*fusekernel.AttrOut)(m.Grow(size))
out.AttrValid, out.AttrValidNsec = convertExpirationTime(
o.AttributesExpiration)
convertAttributes(o.Inode, &o.Attributes, &out.Attr)
case *fuseops.SetInodeAttributesOp:
size := fusekernel.AttrOutSize(protocol)
b = buffer.NewOutMessage(size)
out := (*fusekernel.AttrOut)(b.Grow(size))
size := fusekernel.AttrOutSize(c.protocol)
m = c.getOutMessage()
out := (*fusekernel.AttrOut)(m.Grow(size))
out.AttrValid, out.AttrValidNsec = convertExpirationTime(
o.AttributesExpiration)
convertAttributes(o.Inode, &o.Attributes, &out.Attr)
@ -450,85 +449,85 @@ func kernelResponseForOp(
// No response.
case *fuseops.MkDirOp:
size := fusekernel.EntryOutSize(protocol)
b = buffer.NewOutMessage(size)
out := (*fusekernel.EntryOut)(b.Grow(size))
size := fusekernel.EntryOutSize(c.protocol)
m = c.getOutMessage()
out := (*fusekernel.EntryOut)(m.Grow(size))
convertChildInodeEntry(&o.Entry, out)
case *fuseops.CreateFileOp:
eSize := fusekernel.EntryOutSize(protocol)
b = buffer.NewOutMessage(eSize + unsafe.Sizeof(fusekernel.OpenOut{}))
eSize := fusekernel.EntryOutSize(c.protocol)
m = c.getOutMessage()
e := (*fusekernel.EntryOut)(b.Grow(eSize))
e := (*fusekernel.EntryOut)(m.Grow(eSize))
convertChildInodeEntry(&o.Entry, e)
oo := (*fusekernel.OpenOut)(b.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
oo := (*fusekernel.OpenOut)(m.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
oo.Fh = uint64(o.Handle)
case *fuseops.CreateSymlinkOp:
size := fusekernel.EntryOutSize(protocol)
b = buffer.NewOutMessage(size)
out := (*fusekernel.EntryOut)(b.Grow(size))
size := fusekernel.EntryOutSize(c.protocol)
m = c.getOutMessage()
out := (*fusekernel.EntryOut)(m.Grow(size))
convertChildInodeEntry(&o.Entry, out)
case *fuseops.RenameOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.RmDirOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.UnlinkOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.OpenDirOp:
b = buffer.NewOutMessage(unsafe.Sizeof(fusekernel.OpenOut{}))
out := (*fusekernel.OpenOut)(b.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
m = c.getOutMessage()
out := (*fusekernel.OpenOut)(m.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
out.Fh = uint64(o.Handle)
case *fuseops.ReadDirOp:
b = buffer.NewOutMessage(uintptr(len(o.Data)))
b.Append(o.Data)
m = c.getOutMessage()
m.Append(o.Data)
case *fuseops.ReleaseDirHandleOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.OpenFileOp:
b = buffer.NewOutMessage(unsafe.Sizeof(fusekernel.OpenOut{}))
out := (*fusekernel.OpenOut)(b.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
m = c.getOutMessage()
out := (*fusekernel.OpenOut)(m.Grow(unsafe.Sizeof(fusekernel.OpenOut{})))
out.Fh = uint64(o.Handle)
case *fuseops.ReadFileOp:
b = buffer.NewOutMessage(uintptr(len(o.Data)))
b.Append(o.Data)
m = c.getOutMessage()
m.Append(o.Data)
case *fuseops.WriteFileOp:
b = buffer.NewOutMessage(unsafe.Sizeof(fusekernel.WriteOut{}))
out := (*fusekernel.WriteOut)(b.Grow(unsafe.Sizeof(fusekernel.WriteOut{})))
m = c.getOutMessage()
out := (*fusekernel.WriteOut)(m.Grow(unsafe.Sizeof(fusekernel.WriteOut{})))
out.Size = uint32(len(o.Data))
case *fuseops.SyncFileOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.FlushFileOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.ReleaseFileHandleOp:
b = buffer.NewOutMessage(0)
m = c.getOutMessage()
case *fuseops.ReadSymlinkOp:
b = buffer.NewOutMessage(uintptr(len(o.Target)))
b.AppendString(o.Target)
m = c.getOutMessage()
m.AppendString(o.Target)
case *statFSOp:
b = buffer.NewOutMessage(unsafe.Sizeof(fusekernel.StatfsOut{}))
b.Grow(unsafe.Sizeof(fusekernel.StatfsOut{}))
m = c.getOutMessage()
m.Grow(unsafe.Sizeof(fusekernel.StatfsOut{}))
case *interruptOp:
// No response.
case *initOp:
b = buffer.NewOutMessage(unsafe.Sizeof(fusekernel.InitOut{}))
out := (*fusekernel.InitOut)(b.Grow(unsafe.Sizeof(fusekernel.InitOut{})))
m = c.getOutMessage()
out := (*fusekernel.InitOut)(m.Grow(unsafe.Sizeof(fusekernel.InitOut{})))
out.Major = o.Library.Major
out.Minor = o.Library.Minor