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[interface] Convert all data-xfer interfaces to generic interfaces

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Remove data-xfer as an interface type, and replace data-xfer
interfaces with generic interfaces supporting the data-xfer methods.

Filter interfaces (as used by the TLS layer) are handled using the
generic pass-through interface capability.  A side-effect of this is
that deliver_raw() no longer exists as a data-xfer method.  (In
practice this doesn't lose any efficiency, since there are no
instances within the current codebase where xfer_deliver_raw() is used
to pass data to an interface supporting the deliver_raw() method.)

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-06-16 01:31:29 +01:00
parent 7b4fbd93a5
commit 4327d5d39f
31 changed files with 764 additions and 1511 deletions
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29
src/core/hw.c
View File

@@ -15,33 +15,24 @@
struct hw {
struct refcnt refcnt;
struct xfer_interface xfer;
struct interface xfer;
struct process process;
};
static const char hw_msg[] = "Hello world!\n";
static void hw_finished ( struct hw *hw, int rc ) {
xfer_nullify ( &hw->xfer );
xfer_close ( &hw->xfer, rc );
intf_shutdown ( &hw->xfer, rc );
process_del ( &hw->process );
}
static void hw_xfer_close ( struct xfer_interface *xfer, int rc ) {
struct hw *hw = container_of ( xfer, struct hw, xfer );
hw_finished ( hw, rc );
}
static struct xfer_interface_operations hw_xfer_operations = {
.close = hw_xfer_close,
.vredirect = ignore_xfer_vredirect,
.window = unlimited_xfer_window,
.alloc_iob = default_xfer_alloc_iob,
.deliver_iob = xfer_deliver_as_raw,
.deliver_raw = ignore_xfer_deliver_raw,
static struct interface_operation hw_xfer_operations[] = {
INTF_OP ( intf_close, struct hw *, hw_finished ),
};
static struct interface_descriptor hw_xfer_desc =
INTF_DESC ( struct hw, xfer, hw_xfer_operations );
static void hw_step ( struct process *process ) {
struct hw *hw = container_of ( process, struct hw, process );
int rc;
@@ -52,7 +43,7 @@ static void hw_step ( struct process *process ) {
}
}
static int hw_open ( struct xfer_interface *xfer, struct uri *uri __unused ) {
static int hw_open ( struct interface *xfer, struct uri *uri __unused ) {
struct hw *hw;
/* Allocate and initialise structure */
@@ -60,11 +51,11 @@ static int hw_open ( struct xfer_interface *xfer, struct uri *uri __unused ) {
if ( ! hw )
return -ENOMEM;
ref_init ( &hw->refcnt, NULL );
xfer_init ( &hw->xfer, &hw_xfer_operations, &hw->refcnt );
intf_init ( &hw->xfer, &hw_xfer_desc, &hw->refcnt );
process_init ( &hw->process, hw_step, &hw->refcnt );
/* Attach parent interface, mortalise self, and return */
xfer_plug_plug ( &hw->xfer, xfer );
intf_plug_plug ( &hw->xfer, xfer );
ref_put ( &hw->refcnt );
return 0;
}