2 * CORBA/ORBit server side of Vfs object, ran by sandbox_child()
3 * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; exactly version 2 of June 1991 is required
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "server-Vfs.h" /* self */
24 #include <glib/gmessages.h>
25 #include "captive/macros.h"
26 #include "server-Directory.h"
27 #include "server-File.h"
29 #include "server-GLogFunc.h"
30 #include "client-CaptiveIOChannel.h"
31 #include "../client/vfs-slave.h"
34 static void impl_Captive_Vfs_fini(impl_POA_Captive_Vfs *servant,CORBA_Environment *ev);
35 static void impl_Captive_Vfs_init
36 (impl_POA_Captive_Vfs *servant,const Captive_CaptiveOptions *options_corba,CORBA_Environment *ev);
37 static void impl_Captive_Vfs_shutdown(impl_POA_Captive_Vfs *servant,CORBA_Environment *ev);
38 static void impl_Captive_Vfs_volume_info_get
39 (impl_POA_Captive_Vfs *servant,Captive_CaptiveVfsVolumeInfo *volume_info_corba,CORBA_Environment *ev);
41 static PortableServer_ServantBase__epv impl_Captive_Vfs_base_epv={
42 NULL, /* _private data */
43 (gpointer)&impl_Captive_Vfs_fini, /* finalize routine */
44 NULL, /* default_POA routine */
46 static POA_Captive_Vfs__epv impl_Captive_Vfs_epv={
48 (gpointer)&impl_Captive_Vfs_init,
49 (gpointer)&impl_Captive_Vfs_shutdown,
50 (gpointer)&impl_Captive_Vfs_directory_new_open,
51 (gpointer)&impl_Captive_Vfs_directory_new_make,
52 (gpointer)&impl_Captive_Vfs_file_new_open,
53 (gpointer)&impl_Captive_Vfs_file_new_create,
54 (gpointer)&impl_Captive_Vfs_volume_info_get,
56 static POA_Captive_Vfs__vepv impl_Captive_Vfs_vepv={
57 &impl_Captive_Vfs_base_epv,
58 &impl_Captive_Vfs_epv,
62 Captive_Vfs impl_Captive_Vfs__create(PortableServer_POA poa,CORBA_Environment *ev)
65 impl_POA_Captive_Vfs *newservant;
66 PortableServer_ObjectId *objid;
68 captive_new0(newservant); /* FIXME: leak */
69 newservant->servant.vepv=&impl_Captive_Vfs_vepv;
71 newservant->captive_vfs_object=NULL;
72 POA_Captive_Vfs__init((PortableServer_Servant)newservant,ev);
73 objid=PortableServer_POA_activate_object(poa,newservant,ev);
75 retval=PortableServer_POA_servant_to_reference(poa,newservant,ev);
81 static void impl_Captive_Vfs_fini(impl_POA_Captive_Vfs *servant,CORBA_Environment *ev)
83 if (servant->captive_vfs_object) {
84 g_object_unref(servant->captive_vfs_object);
85 servant->captive_vfs_object=NULL;
90 static Captive_CaptiveIOChannel options_corba_image_iochannel_copy;
92 void impl_Captive_Vfs__destroy(impl_POA_Captive_Vfs *servant,CORBA_Environment *ev)
94 PortableServer_ObjectId *objid;
96 objid=PortableServer_POA_servant_to_id(servant->poa,servant,ev);
97 PortableServer_POA_deactivate_object(servant->poa,objid,ev);
99 impl_Captive_Vfs_fini(servant,ev);
100 CORBA_Object_release(options_corba_image_iochannel_copy,ev);
105 static void options_module_corba_to_options_module_captive
106 (struct captive_options_module *dest_options_module_captive,const Captive_CaptiveOptionsModule *src_options_module_corba)
108 g_return_if_fail(dest_options_module_captive!=NULL);
109 g_return_if_fail(src_options_module_corba!=NULL);
111 dest_options_module_captive->pathname_utf8=g_strdup(src_options_module_corba->pathname_utf8);
112 dest_options_module_captive->type=CAPTIVE_OPTIONS_MODULE_TYPE_PE32;
113 dest_options_module_captive->u.pe32.base=g_memdup(src_options_module_corba->data._buffer,
114 src_options_module_corba->data._length);
115 dest_options_module_captive->u.pe32.length=src_options_module_corba->data._length;
116 dest_options_module_captive->u.pe32.mapped=FALSE;
120 static void impl_Captive_Vfs_init
121 (impl_POA_Captive_Vfs *servant,const Captive_CaptiveOptions *options_corba,CORBA_Environment *ev)
123 struct captive_options options_captive;
124 GnomeVFSResult errvfsresult;
127 g_return_if_fail(servant->captive_vfs_object==NULL);
129 options_corba_image_iochannel_copy=CORBA_Object_duplicate(options_corba->image_iochannel,ev);
130 if (ev->_major!=CORBA_NO_EXCEPTION)
133 /* impl_Captive_Vfs_init_g_log_func() does its own copy of 'options_corba->g_log_func'. */
134 impl_Captive_Vfs_init_g_log_func(options_corba->g_log_func,options_corba->debug_messages,ev);
136 captive_options_init(&options_captive);
138 options_module_corba_to_options_module_captive(&options_captive.filesystem,&options_corba->filesystem);
140 options_captive.debug_messages=options_corba->debug_messages;
141 options_captive.rwmode =options_corba->rwmode;
142 options_captive.media =options_corba->media;
144 options_captive.image_iochannel=(GIOChannel *)captive_io_channel_new(
145 options_corba_image_iochannel_copy, /* corba_captive_io_channel */
146 (options_captive.rwmode!=CAPTIVE_OPTION_RWMODE_RO)); /* writeable */
148 for (moduleui=0;moduleui<options_corba->load_module._length;moduleui++) {
149 struct captive_options_module *options_module;
151 captive_new(options_module);
152 options_module_corba_to_options_module_captive(options_module,options_corba->load_module._buffer+moduleui);
153 options_captive.load_module=g_list_append(options_captive.load_module,options_module);
156 options_captive.sandbox=TRUE;
157 g_assert(options_captive.sandbox_server_argv==NULL);
158 g_assert(options_captive.sandbox_server_ior==NULL);
160 if (GNOME_VFS_OK!=(errvfsresult=captive_vfs_new(&servant->captive_vfs_object,&options_captive))) {
161 CORBA_exception_set(ev,CORBA_USER_EXCEPTION,ex_Captive_GnomeVFSResultException,GINT_TO_POINTER((gint)errvfsresult));
162 captive_options_free(&options_captive);
166 captive_options_free(&options_captive);
168 g_assert(CAPTIVE_VFS_SLAVE_IS_OBJECT(servant->captive_vfs_object));
172 #if 0 /* Currently unused - see impl_Captive_Vfs_shutdown() */
173 static gboolean impl_Captive_Vfs_shutdown_idle(gpointer data /* unused */)
175 sandbox_child_shutdown();
177 return FALSE; /* remove me */
181 static void impl_Captive_Vfs_shutdown(impl_POA_Captive_Vfs *servant,CORBA_Environment *ev)
183 #if 0 /* Currently unused - see impl_Captive_Vfs_shutdown() */
187 /* Shutdown 'servant->captive_vfs_object' synchronously as it may
188 * flush its buffers needed to be transferred to our parent.
190 impl_Captive_Vfs_fini(servant,&captive_corba_ev);
191 g_assert(validate_CORBA_Environment(&captive_corba_ev));
193 /* Currently we do not do any sandbox child shutdown here as it sometimes
194 * crashes the parent with COMM_FAILURE without proper finish of this
195 * shutdown() CORBA method call. Parent will kill(2) us soon
196 * from its parent-Vfs.c:captive_sandbox_parent_vfs_close() anyway.
199 sandbox_child_prepare_shutdown();
201 /* Do not call sandbox_child_shutdown() directly as we would fail
202 * to finish this CORBA method call properly.
203 * Do not call g_idle_add_full() as it would miss linc main loop.
205 source=g_idle_source_new ();
206 g_source_set_priority(source,G_PRIORITY_LOW);
207 g_source_set_callback(
209 (GSourceFunc)impl_Captive_Vfs_shutdown_idle, /* func */
212 g_source_attach(source,
213 captive_corba_get_context()); /* context; NULL means 'default context' */
214 g_source_unref(source);
219 static void impl_Captive_Vfs_volume_info_get
220 (impl_POA_Captive_Vfs *servant,Captive_CaptiveVfsVolumeInfo *volume_info_corba,CORBA_Environment *ev)
222 CaptiveVfsVolumeInfo volume_info_captive;
223 GnomeVFSResult errvfsresult;
225 if (GNOME_VFS_OK!=(errvfsresult=captive_vfs_volume_info_get(servant->captive_vfs_object,&volume_info_captive))) {
226 captive_sandbox_child_GnomeVFSResultException_throw(ev,errvfsresult);
230 volume_info_corba->block_size =volume_info_captive.block_size;
231 volume_info_corba->bytes =volume_info_captive.bytes;
232 volume_info_corba->bytes_free =volume_info_captive.bytes_free;
233 volume_info_corba->bytes_available=volume_info_captive.bytes_available;