git.gag.com Git - debian/amanda/blob - xfer-src/source-directtcp-connect.c

   1 /*
   2  * Amanda, The Advanced Maryland Automatic Network Disk Archiver
   3  * Copyright (c) 2008, 2009, 2010 Zmanda, Inc.  All Rights Reserved.
   4  *
   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.
   8  *
   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
  12  * for more details.
  13  *
  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
  17  *
  18  * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
  19  * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
  20  */
  21
  22 #include "amanda.h"
  23 #include "amxfer.h"
  24 #include "sockaddr-util.h"
  25
  26 /*
  27  * Class declaration
  28  *
  29  * This declaration is entirely private; nothing but xfer_source_directtcp_connect() references
  30  * it directly.
  31  */
  32
  33 static GType xfer_source_directtcp_connect_get_type(void);
  34 #define XFER_SOURCE_DIRECTTCP_CONNECT_TYPE (xfer_source_directtcp_connect_get_type())
  35 #define XFER_SOURCE_DIRECTTCP_CONNECT(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnect)
  36 #define XFER_SOURCE_DIRECTTCP_CONNECT_CONST(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnect const)
  37 #define XFER_SOURCE_DIRECTTCP_CONNECT_CLASS(klass) G_TYPE_CHECK_CLASS_CAST((klass), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnectClass)
  38 #define IS_XFER_SOURCE_DIRECTTCP_CONNECT(obj) G_TYPE_CHECK_INSTANCE_TYPE((obj), xfer_source_directtcp_connect_get_type ())
  39 #define XFER_SOURCE_DIRECTTCP_CONNECT_GET_CLASS(obj) G_TYPE_INSTANCE_GET_CLASS((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnectClass)
  40
  41 static GObjectClass *parent_class = NULL;
  42
  43 /*
  44  * Main object structure
  45  */
  46
  47 typedef struct XferSourceDirectTCPConnect {
  48     XferElement __parent__;
  49
  50     /* Addresses to connect to */
  51     DirectTCPAddr *addrs;
  52 } XferSourceDirectTCPConnect;
  53
  54 /*
  55  * Class definition
  56  */
  57
  58 typedef struct {
  59     XferElementClass __parent__;
  60 } XferSourceDirectTCPConnectClass;
  61
  62 /*
  63  * Implementation
  64  */
  65
  66 static gboolean
  67 setup_impl(
  68     XferElement *elt)
  69 {
  70     XferSourceDirectTCPConnect *self = (XferSourceDirectTCPConnect *)elt;
  71
  72     g_assert(self->addrs && SU_GET_FAMILY(self->addrs) != 0);
  73     elt->output_listen_addrs = self->addrs;
  74
  75     return TRUE;
  76 }
  77
  78 static void
  79 finalize_impl(
  80     GObject * obj_self)
  81 {
  82     XferSourceDirectTCPConnect *self = XFER_SOURCE_DIRECTTCP_CONNECT(obj_self);
  83
  84     if (self->addrs)
  85         g_free(self->addrs);
  86     self->addrs = NULL;
  87
  88     /* chain up */
  89     G_OBJECT_CLASS(parent_class)->finalize(obj_self);
  90 }
  91
  92 static void
  93 instance_init(
  94     XferElement *elt)
  95 {
  96     elt->can_generate_eof = FALSE;
  97 }
  98
  99 static void
 100 class_init(
 101     XferSourceDirectTCPConnectClass * selfc)
 102 {
 103     XferElementClass *klass = XFER_ELEMENT_CLASS(selfc);
 104     GObjectClass *goc = G_OBJECT_CLASS(selfc);
 105     static xfer_element_mech_pair_t mech_pairs[] = {
 106         { XFER_MECH_NONE, XFER_MECH_DIRECTTCP_CONNECT, XFER_NROPS(1), XFER_NTHREADS(0) },
 107         { XFER_MECH_NONE, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
 108     };
 109
 110     klass->setup = setup_impl;
 111     goc->finalize = finalize_impl;
 112
 113     klass->perl_class = "Amanda::Xfer::Source::DirectTCPConnect";
 114     klass->mech_pairs = mech_pairs;
 115
 116     parent_class = g_type_class_peek_parent(selfc);
 117 }
 118
 119 GType
 120 xfer_source_directtcp_connect_get_type (void)
 121 {
 122     static GType type = 0;
 123
 124     if G_UNLIKELY(type == 0) {
 125         static const GTypeInfo info = {
 126             sizeof (XferSourceDirectTCPConnectClass),
 127             (GBaseInitFunc) NULL,
 128             (GBaseFinalizeFunc) NULL,
 129             (GClassInitFunc) class_init,
 130             (GClassFinalizeFunc) NULL,
 131             NULL /* class_data */,
 132             sizeof (XferSourceDirectTCPConnect),
 133             0 /* n_preallocs */,
 134             (GInstanceInitFunc) instance_init,
 135             NULL
 136         };
 137
 138         type = g_type_register_static (XFER_ELEMENT_TYPE, "XferSourceDirectTCPConnect", &info, 0);
 139     }
 140
 141     return type;
 142 }
 143
 144 /* create an element of this class; prototype is in xfer-element.h */
 145 XferElement *
 146 xfer_source_directtcp_connect(DirectTCPAddr *addrs)
 147 {
 148     XferSourceDirectTCPConnect *self = (XferSourceDirectTCPConnect *)
 149             g_object_new(XFER_SOURCE_DIRECTTCP_CONNECT_TYPE, NULL);
 150     XferElement *elt = XFER_ELEMENT(self);
 151     int i;
 152
 153     g_assert(addrs != NULL);
 154
 155     for (i = 0; SU_GET_FAMILY(&addrs[i]) != 0; i++);
 156     self->addrs = g_memdup(addrs, (i+1) * sizeof(*addrs));
 157
 158     return elt;
 159 }