/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
*/
-/*
+/**
* Bacula Director -- restore.c -- responsible for restoring files
*
* Kern Sibbald, November MM
* to do the restore.
* Update the DB according to what files where restored????
*
- * Version $Id$
*/
#define UA_CMD_SIZE 1000
-/* Open the bootstrap file and find the first Storage=
+/**
+ * Open the bootstrap file and find the first Storage=
* Returns ok if able to open
* It fills the storage name (should be the first line)
* and the file descriptor to the bootstrap file,
* it should be used for next operations, and need to be closed
* at the end.
*/
-static bool open_bootstrap_file(JCR *jcr, struct bootstrap_info &info)
+static bool open_bootstrap_file(JCR *jcr, bootstrap_info &info)
{
FILE *bs;
UAContext *ua;
return true;
}
-/*
+/**
* This function compare the given storage name with the
* the current one. We compare the name and the address:port.
* Returns true if we use the same storage.
return true;
}
-/*
+/**
* Check if the current line contains Storage="xxx", and compare the
* result to the current storage. We use UAContext to analyse the bsr
* string.
* Returns true if we need to change the storage, and it set the new
* Storage resource name in "storage" arg.
*/
-static bool check_for_new_storage(JCR *jcr, struct bootstrap_info &info)
+static bool check_for_new_storage(JCR *jcr, bootstrap_info &info)
{
UAContext *ua = info.ua;
parse_ua_args(ua);
return false;
}
-/*
+/**
* Send bootstrap file to Storage daemon section by section.
*/
static bool send_bootstrap_file(JCR *jcr, BSOCK *sock,
- struct bootstrap_info &info)
+ bootstrap_info &info)
{
- uint64_t pos;
+ boffset_t pos;
const char *bootstrap = "bootstrap\n";
UAContext *ua = info.ua;
FILE *bs = info.bs;
return false;
}
sock->fsend(bootstrap);
- pos = ftell(bs);
+ pos = ftello(bs);
while(fgets(ua->cmd, UA_CMD_SIZE, bs)) {
if (check_for_new_storage(jcr, info)) {
/* Otherwise, we need to contact another storage daemon.
* Reset bs to the beginning of the current segment.
*/
- fseek(bs, pos, SEEK_SET);
+ fseeko(bs, pos, SEEK_SET);
break;
}
sock->fsend("%s", ua->cmd);
- pos = ftell(bs);
+ pos = ftello(bs);
}
sock->signal(BNET_EOD);
return true;
}
-/*
+#define MAX_TRIES 6 * 360 /* 6 hours */
+
+/**
* Change the read storage resource for the current job.
*/
-static void select_rstore(JCR *jcr, struct bootstrap_info &info)
+static bool select_rstore(JCR *jcr, bootstrap_info &info)
{
USTORE ustore;
+ int i;
+
+
if (!strcmp(jcr->rstore->name(), info.storage)) {
- return;
+ return true; /* same SD nothing to change */
}
if (!(ustore.store = (STORE *)GetResWithName(R_STORAGE,info.storage))) {
Jmsg(jcr, M_FATAL, 0,
_("Could not get storage resource '%s'.\n"), info.storage);
set_jcr_job_status(jcr, JS_ErrorTerminated);
- return;
+ return false;
}
+ /*
+ * What does this do??????????? KES
+ */
if (jcr->store_bsock) {
jcr->store_bsock->destroy();
jcr->store_bsock = NULL;
}
+ /*
+ * release current read storage and get a new one
+ */
+ dec_read_store(jcr);
free_rstorage(jcr);
set_rstorage(jcr, &ustore);
+ set_jcr_job_status(jcr, JS_WaitSD);
+ /*
+ * Wait for up to 6 hours to increment read stoage counter
+ */
+ for (i=0; i < MAX_TRIES; i++) {
+ /* try to get read storage counter incremented */
+ if (inc_read_store(jcr)) {
+ set_jcr_job_status(jcr, JS_Running);
+ return true;
+ }
+ bmicrosleep(10, 0); /* sleep 10 secs */
+ if (job_canceled(jcr)) {
+ free_rstorage(jcr);
+ return false;
+ }
+ }
+ /* Failed to inc_read_store() */
+ free_rstorage(jcr);
+ Jmsg(jcr, M_FATAL, 0,
+ _("Could not acquire read storage lock for \"%s\""), info.storage);
+ return false;
}
/*
- * Clean the struct bootstrap_info struct
+ * Clean the bootstrap_info struct
*/
-static void close_bootstrap_file(struct bootstrap_info &info)
+static void close_bootstrap_file(bootstrap_info &info)
{
if (info.bs) {
fclose(info.bs);
}
}
-/*
- * Take a bootstrap and for each different storage, we change the storage
- * resource and start a new restore session between the client and the storage
- *
+/**
+ * The bootstrap is stored in a file, so open the file, and loop
+ * through it processing each storage device in turn. If the
+ * storage is different from the prior one, we open a new connection
+ * to the new storage and do a restore for that part.
+ * This permits handling multiple storage daemons for a single
+ * restore. E.g. your Full is stored on tape, and Incrementals
+ * on disk.
*/
bool restore_bootstrap(JCR *jcr)
{
- BSOCK *fd=NULL, *sd;
- bool end_loop=false;
- bool first_time=true;
- struct bootstrap_info info;
+ BSOCK *fd = NULL;
+ BSOCK *sd;
+ bool first_time = true;
+ bootstrap_info info;
POOL_MEM restore_cmd(PM_MESSAGE);
- bool ret=false;
+ bool ret = false;
/* this command is used for each part */
build_restore_command(jcr, restore_cmd);
+ /* Open the bootstrap file */
if (!open_bootstrap_file(jcr, info)) {
goto bail_out;
}
- while (!end_loop && !feof(info.bs)) {
+ /* Read the bootstrap file */
+ while (!feof(info.bs)) {
- select_rstore(jcr, info);
+ if (!select_rstore(jcr, info)) {
+ goto bail_out;
+ }
- /*
+ /**
* Open a message channel connection with the Storage
* daemon. This is to let him know that our client
* will be contacting him for a backup session.
if (!connect_to_file_daemon(jcr, 10, FDConnectTimeout, 1)) {
goto bail_out;
}
-
fd = jcr->file_bsock;
}
goto bail_out;
}
+ /* Only pass "global" commands to the FD once */
if (first_time) {
+ first_time = false;
if (!send_runscripts_commands(jcr)) {
goto bail_out;
}
- first_time=false;
+ if (!send_restore_objects(jcr)) {
+ Dmsg0(000, "FAIL: Send restore objects\n");
+ goto bail_out;
+ }
}
fd->fsend("%s", restore_cmd.c_str());
}
if (jcr->FDVersion < 2) { /* Old FD */
- end_loop=true; /* we do only one loop */
-
+ break; /* we do only one loop */
} else {
if (!response(jcr, fd, OKstoreend, "Store end", DISPLAY_ERROR)) {
goto bail_out;
return ret;
}
-/*
+/**
* Do a restore of the specified files
*
* Returns: 0 on failure
/* Print Job Start message */
Jmsg(jcr, M_INFO, 0, _("Start Restore Job %s\n"), jcr->Job);
+ /* Read the bootstrap file and do the restore */
if (!restore_bootstrap(jcr)) {
goto bail_out;
}
return true;
}
-/*
+/**
* Release resources allocated during restore.
*
*/
projects / bacula / bacula / blobdiff