2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 2008-2012 Zmanda, Inc. All Rights Reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
19 * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
24 #include "simpleprng.h"
29 * This declaration is entirely private; nothing but xfer_dest_null() references
33 GType xfer_dest_null_get_type(void);
34 #define XFER_DEST_NULL_TYPE (xfer_dest_null_get_type())
35 #define XFER_DEST_NULL(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_dest_null_get_type(), XferDestNull)
36 #define XFER_DEST_NULL_CONST(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_dest_null_get_type(), XferDestNull const)
37 #define XFER_DEST_NULL_CLASS(klass) G_TYPE_CHECK_CLASS_CAST((klass), xfer_dest_null_get_type(), XferDestNullClass)
38 #define IS_XFER_DEST_NULL(obj) G_TYPE_CHECK_INSTANCE_TYPE((obj), xfer_dest_null_get_type ())
39 #define XFER_DEST_NULL_GET_CLASS(obj) G_TYPE_INSTANCE_GET_CLASS((obj), xfer_dest_null_get_type(), XferDestNullClass)
41 static GObjectClass *parent_class = NULL;
44 * Main object structure
47 typedef struct XferDestNull {
48 XferElement __parent__;
53 simpleprng_state_t prng;
54 guint64 byte_position;
62 XferElementClass __parent__;
75 XferDestNull *self = (XferDestNull *)elt;
80 if (self->do_verify && !elt->cancelled) {
81 if (!simpleprng_verify_buffer(&self->prng, buf, len)) {
82 xfer_cancel_with_error(elt,
83 "verification of incoming bytestream failed; see stderr for details"),
84 wait_until_xfer_cancelled(elt->xfer);
90 self->byte_position += len;
91 if (!self->sent_info) {
92 /* send a superfluous message (this is a testing XferElement,
94 XMsg *msg = xmsg_new((XferElement *)self, XMSG_INFO, 0);
95 msg->message = stralloc("Is this thing on?");
96 xfer_queue_message(XFER_ELEMENT(self)->xfer, msg);
97 self->sent_info = TRUE;
105 XferDestNullClass * selfc)
107 XferElementClass *klass = XFER_ELEMENT_CLASS(selfc);
108 static xfer_element_mech_pair_t mech_pairs[] = {
109 { XFER_MECH_PUSH_BUFFER, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
110 { XFER_MECH_NONE, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
113 klass->push_buffer = push_buffer_impl;
115 klass->perl_class = "Amanda::Xfer::Dest::Null";
116 klass->mech_pairs = mech_pairs;
118 parent_class = g_type_class_peek_parent(selfc);
122 xfer_dest_null_get_type (void)
124 static GType type = 0;
126 if G_UNLIKELY(type == 0) {
127 static const GTypeInfo info = {
128 sizeof (XferDestNullClass),
129 (GBaseInitFunc) NULL,
130 (GBaseFinalizeFunc) NULL,
131 (GClassInitFunc) class_init,
132 (GClassFinalizeFunc) NULL,
133 NULL /* class_data */,
134 sizeof (XferDestNull),
136 (GInstanceInitFunc) NULL,
140 type = g_type_register_static (XFER_ELEMENT_TYPE, "XferDestNull", &info, 0);
146 /* create an element of this class; prototype is in xfer-element.h */
151 XferDestNull *self = (XferDestNull *)g_object_new(XFER_DEST_NULL_TYPE, NULL);
152 XferElement *elt = XFER_ELEMENT(self);
155 self->do_verify = TRUE;
156 simpleprng_seed(&self->prng, prng_seed);
158 self->do_verify = FALSE;