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
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
20 * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
25 #include "simpleprng.h"
30 * This declaration is entirely private; nothing but xfer_dest_null() references
34 GType xfer_dest_null_get_type(void);
35 #define XFER_DEST_NULL_TYPE (xfer_dest_null_get_type())
36 #define XFER_DEST_NULL(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_dest_null_get_type(), XferDestNull)
37 #define XFER_DEST_NULL_CONST(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_dest_null_get_type(), XferDestNull const)
38 #define XFER_DEST_NULL_CLASS(klass) G_TYPE_CHECK_CLASS_CAST((klass), xfer_dest_null_get_type(), XferDestNullClass)
39 #define IS_XFER_DEST_NULL(obj) G_TYPE_CHECK_INSTANCE_TYPE((obj), xfer_dest_null_get_type ())
40 #define XFER_DEST_NULL_GET_CLASS(obj) G_TYPE_INSTANCE_GET_CLASS((obj), xfer_dest_null_get_type(), XferDestNullClass)
42 static GObjectClass *parent_class = NULL;
45 * Main object structure
48 typedef struct XferDestNull {
49 XferElement __parent__;
54 simpleprng_state_t prng;
55 guint64 byte_position;
63 XferElementClass __parent__;
76 XferDestNull *self = (XferDestNull *)elt;
81 if (self->do_verify && !elt->cancelled) {
82 if (!simpleprng_verify_buffer(&self->prng, buf, len)) {
83 xfer_cancel_with_error(elt,
84 "verification of incoming bytestream failed; see stderr for details"),
85 wait_until_xfer_cancelled(elt->xfer);
91 self->byte_position += len;
92 if (!self->sent_info) {
93 /* send a superfluous message (this is a testing XferElement,
95 XMsg *msg = xmsg_new((XferElement *)self, XMSG_INFO, 0);
96 msg->message = stralloc("Is this thing on?");
97 xfer_queue_message(XFER_ELEMENT(self)->xfer, msg);
98 self->sent_info = TRUE;
106 XferDestNullClass * selfc)
108 XferElementClass *klass = XFER_ELEMENT_CLASS(selfc);
109 static xfer_element_mech_pair_t mech_pairs[] = {
110 { XFER_MECH_PUSH_BUFFER, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
111 { XFER_MECH_NONE, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
114 klass->push_buffer = push_buffer_impl;
116 klass->perl_class = "Amanda::Xfer::Dest::Null";
117 klass->mech_pairs = mech_pairs;
119 parent_class = g_type_class_peek_parent(selfc);
123 xfer_dest_null_get_type (void)
125 static GType type = 0;
127 if G_UNLIKELY(type == 0) {
128 static const GTypeInfo info = {
129 sizeof (XferDestNullClass),
130 (GBaseInitFunc) NULL,
131 (GBaseFinalizeFunc) NULL,
132 (GClassInitFunc) class_init,
133 (GClassFinalizeFunc) NULL,
134 NULL /* class_data */,
135 sizeof (XferDestNull),
137 (GInstanceInitFunc) NULL,
141 type = g_type_register_static (XFER_ELEMENT_TYPE, "XferDestNull", &info, 0);
147 /* create an element of this class; prototype is in xfer-element.h */
152 XferDestNull *self = (XferDestNull *)g_object_new(XFER_DEST_NULL_TYPE, NULL);
153 XferElement *elt = XFER_ELEMENT(self);
156 self->do_verify = TRUE;
157 simpleprng_seed(&self->prng, prng_seed);
159 self->do_verify = FALSE;