void
ndmda_purge_nlist (struct ndm_session *sess)
{
struct ndm_data_agent * da = sess->data_acb;
ndma_destroy_nlist(&da->nlist_tab);
}
/*
* 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.
*/
static inline bool do_ndmp_restore_bootstrap(JCR *jcr)
{
int cnt;
BSOCK *sd;
BSR *bsr;
NIS *nis = NULL;
int32_t current_fi;
bootstrap_info info;
BSR_FINDEX *fileindex;
struct ndm_session ndmp_sess;
struct ndm_job_param ndmp_job;
bool session_initialized = false;
bool retval = false;
int NdmpLoglevel;
if (jcr->res.client->ndmp_loglevel > me->ndmp_loglevel) {
NdmpLoglevel = jcr->res.client->ndmp_loglevel;
} else {
NdmpLoglevel = me->ndmp_loglevel;
}
/*
* We first parse the BSR ourself so we know what to restore.
*/
jcr->bsr = parse_bsr(jcr, jcr->RestoreBootstrap);
if (!jcr->bsr) {
Jmsg(jcr, M_FATAL, 0, _("Error parsing bootstrap file.\n"));
goto bail_out;
}
/*
* Setup all paired read storage.
*/
set_paired_storage(jcr);
if (!jcr->res.pstore) {
Jmsg(jcr, M_FATAL, 0,
_("Read storage %s doesn't point to storage definition with paired storage option.\n"),
jcr->res.rstore->name());
goto bail_out;
}
/*
* Open the bootstrap file
*/
if (!open_bootstrap_file(jcr, info)) {
goto bail_out;
}
nis = (NIS *)malloc(sizeof(NIS));
memset(nis, 0, sizeof(NIS));
/*
* Read the bootstrap file
*/
bsr = jcr->bsr;
while (!feof(info.bs)) {
if (!select_next_rstore(jcr, info)) {
goto cleanup;
}
/*
* Initialize the ndmp restore job. We build the generic job once per storage daemon
* and reuse the job definition for each seperate sub-restore we perform as
* part of the whole job. We only free the env_table between every sub-restore.
*/
if (!ndmp_build_client_job(jcr, jcr->res.client, jcr->res.pstore, NDM_JOB_OP_EXTRACT, &ndmp_job)) {
goto cleanup;
}
/*
* 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.
*
*/
Dmsg0(10, "Open connection with storage daemon\n");
jcr->setJobStatus(JS_WaitSD);
/*
* Start conversation with Storage daemon
*/
if (!connect_to_storage_daemon(jcr, 10, me->SDConnectTimeout, true)) {
goto cleanup;
}
sd = jcr->store_bsock;
/*
* Now start a job with the Storage daemon
*/
if (!start_storage_daemon_job(jcr, jcr->res.rstorage, NULL)) {
goto cleanup;
}
jcr->setJobStatus(JS_Running);
/*
* Send the bootstrap file -- what Volumes/files to restore
*/
if (!send_bootstrap_file(jcr, sd, info) ||
!response(jcr, sd, OKbootstrap, "Bootstrap", DISPLAY_ERROR)) {
goto cleanup;
}
if (!sd->fsend("run")) {
goto cleanup;
}
/*
* Now start a Storage daemon message thread
*/
if (!start_storage_daemon_message_thread(jcr)) {
goto cleanup;
}
Dmsg0(50, "Storage daemon connection OK\n");
/*
* Walk over each bsr record
*/
cnt = 0;
for (bsr = jcr->bsr; bsr; bsr = bsr->next) {
/*
* Walk each fileindex of the current BSR record. Each different fileindex is
* a separate NDMP stream.
*/
for (fileindex = bsr->FileIndex; fileindex; fileindex = fileindex->next) {
for (current_fi = fileindex->findex; current_fi <= fileindex->findex2; current_fi++) {
/*
* See if this is the first Restore NDMP stream or not. For NDMP we can have multiple Backup
* runs as part of the same Job. When we are restoring data from a Native Storage Daemon
* we let it know to expect a next restore session. It will generate a new authorization
* key so we wait for the nextrun_ready conditional variable to be raised by the msg_thread.
*/
if (jcr->store_bsock && cnt > 0) {
jcr->store_bsock->fsend("nextrun");
P(mutex);
pthread_cond_wait(&jcr->nextrun_ready, &mutex);
V(mutex);
}
/*
* Perform the actual NDMP job.
* Initialize a new NDMP session
*/
memset(&ndmp_sess, 0, sizeof(ndmp_sess));
ndmp_sess.conn_snooping = (me->ndmp_snooping) ? 1 : 0;
ndmp_sess.control_agent_enabled = 1;
ndmp_sess.param = (struct ndm_session_param *)malloc(sizeof(struct ndm_session_param));
memset(ndmp_sess.param, 0, sizeof(struct ndm_session_param));
ndmp_sess.param->log.deliver = ndmp_loghandler;
ndmp_sess.param->log_level = native_to_ndmp_loglevel(NdmpLoglevel, debug_level, nis);
nis->jcr = jcr;
ndmp_sess.param->log.ctx = nis;
ndmp_sess.param->log_tag = bstrdup("DIR-NDMP");
/*
* Initialize the session structure.
*/
if (ndma_session_initialize(&ndmp_sess)) {
goto cleanup_ndmp;
}
session_initialized = true;
/*
* Copy the actual job to perform.
*/
jcr->jr.FileIndex = current_fi;
if (bsr->sessid && bsr->sesstime) {
jcr->jr.VolSessionId = bsr->sessid->sessid;
jcr->jr.VolSessionTime = bsr->sesstime->sesstime;
} else {
Jmsg(jcr, M_FATAL, 0, _("Wrong BSR missing sessid and/or sesstime\n"));
goto cleanup_ndmp;
}
memcpy(&ndmp_sess.control_acb->job, &ndmp_job, sizeof(struct ndm_job_param));
if (!fill_restore_environment(jcr,
current_fi,
&ndmp_sess.control_acb->job)) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in fill_restore_environment\n"));
goto cleanup_ndmp;
}
ndma_job_auto_adjust(&ndmp_sess.control_acb->job);
if (!ndmp_validate_job(jcr, &ndmp_sess.control_acb->job)) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in ndmp_validate_job\n"));
goto cleanup_ndmp;
}
/*
* Commission the session for a run.
*/
if (ndma_session_commission(&ndmp_sess)) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in ndma_session_commission\n"));
goto cleanup_ndmp;
}
/*
* Setup the DMA.
*/
if (ndmca_connect_control_agent(&ndmp_sess)) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in ndmca_connect_control_agent\n"));
goto cleanup_ndmp;
}
ndmp_sess.conn_open = 1;
ndmp_sess.conn_authorized = 1;
/*
* Let the DMA perform its magic.
*/
if (ndmca_control_agent(&ndmp_sess) != 0) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in ndmca_control_agent\n"));
goto cleanup_ndmp;
}
/*
* See if there were any errors during the restore.
*/
if (!extract_post_restore_stats(jcr, &ndmp_sess)) {
Jmsg(jcr, M_ERROR, 0, _("ERROR in extract_post_restore_stats\n"));
goto cleanup_ndmp;
}
/*
* Reset the NDMP session states.
*/
ndma_session_decommission(&ndmp_sess);
/*
* Cleanup the job after it has run.
*/
ndma_destroy_env_list(&ndmp_sess.control_acb->job.env_tab);
ndma_destroy_env_list(&ndmp_sess.control_acb->job.result_env_tab);
ndma_destroy_nlist(&ndmp_sess.control_acb->job.nlist_tab);
/*
* Release any tape device name allocated.
*/
if (ndmp_sess.control_acb->job.tape_device) {
free(ndmp_sess.control_acb->job.tape_device);
ndmp_sess.control_acb->job.tape_device = NULL;
}
/*
* Destroy the session.
*/
ndma_session_destroy(&ndmp_sess);
/*
* Free the param block.
*/
free(ndmp_sess.param->log_tag);
free(ndmp_sess.param);
ndmp_sess.param = NULL;
/*
* Reset the initialized state so we don't try to cleanup again.
*/
session_initialized = false;
/*
* Keep track that we finished this part of the restore.
*/
cnt++;
}
}
}
/*
* Tell the storage daemon we are done.
*/
jcr->store_bsock->fsend("finish");
wait_for_storage_daemon_termination(jcr);
}
/*
* Jump to the generic cleanup done for every Job.
*/
retval = true;
goto cleanup;
cleanup_ndmp:
/*
* Only need to cleanup when things are initialized.
*/
if (session_initialized) {
ndma_destroy_env_list(&ndmp_sess.control_acb->job.env_tab);
ndma_destroy_env_list(&ndmp_sess.control_acb->job.result_env_tab);
ndma_destroy_nlist(&ndmp_sess.control_acb->job.nlist_tab);
if (ndmp_sess.control_acb->job.tape_device) {
free(ndmp_sess.control_acb->job.tape_device);
}
/*
* Destroy the session.
*/
ndma_session_destroy(&ndmp_sess);
}
if (ndmp_sess.param) {
free(ndmp_sess.param->log_tag);
free(ndmp_sess.param);
}
cleanup:
if (nis) {
free(nis);
}
free_paired_storage(jcr);
close_bootstrap_file(info);
bail_out:
free_tree(jcr->restore_tree_root);
jcr->restore_tree_root = NULL;
return retval;
}
