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) 2008-2012 Zmanda, Inc.  All Rights Reserved.
   4  *
   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.
   9  *
  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
  13  * for more details.
  14  *
  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
  18  *
  19  * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300
  20  * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com
  21  */
  22
  23 #include "amanda.h"
  24 #include "amxfer.h"
  25 #include "sockaddr-util.h"
  26
  27 /*
  28  * Class declaration
  29  *
  30  * This declaration is entirely private; nothing but xfer_source_directtcp_connect() references
  31  * it directly.
  32  */
  33
  34 static GType xfer_source_directtcp_connect_get_type(void);
  35 #define XFER_SOURCE_DIRECTTCP_CONNECT_TYPE (xfer_source_directtcp_connect_get_type())
  36 #define XFER_SOURCE_DIRECTTCP_CONNECT(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnect)
  37 #define XFER_SOURCE_DIRECTTCP_CONNECT_CONST(obj) G_TYPE_CHECK_INSTANCE_CAST((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnect const)
  38 #define XFER_SOURCE_DIRECTTCP_CONNECT_CLASS(klass) G_TYPE_CHECK_CLASS_CAST((klass), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnectClass)
  39 #define IS_XFER_SOURCE_DIRECTTCP_CONNECT(obj) G_TYPE_CHECK_INSTANCE_TYPE((obj), xfer_source_directtcp_connect_get_type ())
  40 #define XFER_SOURCE_DIRECTTCP_CONNECT_GET_CLASS(obj) G_TYPE_INSTANCE_GET_CLASS((obj), xfer_source_directtcp_connect_get_type(), XferSourceDirectTCPConnectClass)
  41
  42 static GObjectClass *parent_class = NULL;
  43
  44 /*
  45  * Main object structure
  46  */
  47
  48 typedef struct XferSourceDirectTCPConnect {
  49     XferElement __parent__;
  50
  51     /* Addresses to connect to */
  52     DirectTCPAddr *addrs;
  53 } XferSourceDirectTCPConnect;
  54
  55 /*
  56  * Class definition
  57  */
  58
  59 typedef struct {
  60     XferElementClass __parent__;
  61 } XferSourceDirectTCPConnectClass;
  62
  63 /*
  64  * Implementation
  65  */
  66
  67 static gboolean
  68 setup_impl(
  69     XferElement *elt)
  70 {
  71     XferSourceDirectTCPConnect *self = (XferSourceDirectTCPConnect *)elt;
  72
  73     g_assert(self->addrs && SU_GET_FAMILY(self->addrs) != 0);
  74     elt->output_listen_addrs = self->addrs;
  75
  76     return TRUE;
  77 }
  78
  79 static void
  80 finalize_impl(
  81     GObject * obj_self)
  82 {
  83     XferSourceDirectTCPConnect *self = XFER_SOURCE_DIRECTTCP_CONNECT(obj_self);
  84
  85     if (self->addrs)
  86         g_free(self->addrs);
  87     self->addrs = NULL;
  88
  89     /* chain up */
  90     G_OBJECT_CLASS(parent_class)->finalize(obj_self);
  91 }
  92
  93 static void
  94 instance_init(
  95     XferElement *elt)
  96 {
  97     elt->can_generate_eof = FALSE;
  98 }
  99
 100 static void
 101 class_init(
 102     XferSourceDirectTCPConnectClass * selfc)
 103 {
 104     XferElementClass *klass = XFER_ELEMENT_CLASS(selfc);
 105     GObjectClass *goc = G_OBJECT_CLASS(selfc);
 106     static xfer_element_mech_pair_t mech_pairs[] = {
 107         { XFER_MECH_NONE, XFER_MECH_DIRECTTCP_CONNECT, XFER_NROPS(1), XFER_NTHREADS(0) },
 108         { XFER_MECH_NONE, XFER_MECH_NONE, XFER_NROPS(0), XFER_NTHREADS(0) },
 109     };
 110
 111     klass->setup = setup_impl;
 112     goc->finalize = finalize_impl;
 113
 114     klass->perl_class = "Amanda::Xfer::Source::DirectTCPConnect";
 115     klass->mech_pairs = mech_pairs;
 116
 117     parent_class = g_type_class_peek_parent(selfc);
 118 }
 119
 120 GType
 121 xfer_source_directtcp_connect_get_type (void)
 122 {
 123     static GType type = 0;
 124
 125     if G_UNLIKELY(type == 0) {
 126         static const GTypeInfo info = {
 127             sizeof (XferSourceDirectTCPConnectClass),
 128             (GBaseInitFunc) NULL,
 129             (GBaseFinalizeFunc) NULL,
 130             (GClassInitFunc) class_init,
 131             (GClassFinalizeFunc) NULL,
 132             NULL /* class_data */,
 133             sizeof (XferSourceDirectTCPConnect),
 134             0 /* n_preallocs */,
 135             (GInstanceInitFunc) instance_init,
 136             NULL
 137         };
 138
 139         type = g_type_register_static (XFER_ELEMENT_TYPE, "XferSourceDirectTCPConnect", &info, 0);
 140     }
 141
 142     return type;
 143 }
 144
 145 /* create an element of this class; prototype is in xfer-element.h */
 146 XferElement *
 147 xfer_source_directtcp_connect(DirectTCPAddr *addrs)
 148 {
 149     XferSourceDirectTCPConnect *self = (XferSourceDirectTCPConnect *)
 150             g_object_new(XFER_SOURCE_DIRECTTCP_CONNECT_TYPE, NULL);
 151     XferElement *elt = XFER_ELEMENT(self);
 152     int i;
 153
 154     g_assert(addrs != NULL);
 155
 156     for (i = 0; SU_GET_FAMILY(&addrs[i]) != 0; i++);
 157     self->addrs = g_memdup(addrs, (i+1) * sizeof(*addrs));
 158
 159     return elt;
 160 }