/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2000-2007 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
- License as published by the Free Software Foundation and included
- in the file LICENSE.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- 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
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
- Bacula® is a registered trademark of John Walker.
- The licensor of Bacula is the Free Software Foundation Europe
- (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
- Switzerland, email:ftf@fsfeurope.org.
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2016 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
*/
/*
* This file handles commands from the File daemon.
*
- * Kern Sibbald, MM
+ * Written by Kern Sibbald, MM
*
* We get here because the Director has initiated a Job with
* the Storage daemon, then done the same with the File daemon,
* the File daemon, control is passed here to handle the
* subsequent File daemon commands.
*
- * Version $Id$
*
*/
#include "bacula.h"
#include "stored.h"
+/* Forward referenced functions */
+static bool response(JCR *jcr, BSOCK *bs, const char *resp, const char *cmd);
+
/* Imported variables */
extern STORES *me;
/* Imported functions */
extern bool do_append_data(JCR *jcr);
extern bool do_read_data(JCR *jcr);
+extern bool do_backup_job(JCR *jcr);
/* Forward referenced FD commands */
static bool append_open_session(JCR *jcr);
static bool read_open_session(JCR *jcr);
static bool read_data_cmd(JCR *jcr);
static bool read_close_session(JCR *jcr);
-static bool bootstrap_cmd(JCR *jcr);
/* Exported function */
bool get_bootstrap_file(JCR *jcr, BSOCK *bs);
{"read open", read_open_session},
{"read data", read_data_cmd},
{"read close", read_close_session},
- {"bootstrap", bootstrap_cmd},
{NULL, NULL} /* list terminator */
};
/* Responses sent to the File daemon */
static char NO_open[] = "3901 Error session already open\n";
static char NOT_opened[] = "3902 Error session not opened\n";
+static char ERROR_open[] = "3904 Error open session, bad parameters\n";
static char OK_end[] = "3000 OK end\n";
static char OK_close[] = "3000 OK close Status = %d\n";
static char OK_open[] = "3000 OK open ticket = %d\n";
-static char ERROR_append[] = "3903 Error append data\n";
-static char OK_bootstrap[] = "3000 OK bootstrap\n";
-static char ERROR_bootstrap[] = "3904 Error bootstrap\n";
+static char ERROR_append[] = "3903 Error append data: %s\n";
/* Information sent to the Director */
static char Job_start[] = "3010 Job %s start\n";
-char Job_end[] =
- "3099 Job %s end JobStatus=%d JobFiles=%d JobBytes=%s\n";
+char Job_end[] =
+ "3099 Job %s end JobStatus=%d JobFiles=%d JobBytes=%s JobErrors=%u\n";
/*
- * Run a File daemon Job -- File daemon already authorized
- * Director sends us this command.
+ * Run a Client Job -- Client already authorized
+ * Note: this can be either a backup or restore or
+ * migrate/copy job.
*
* Basic task here is:
- * - Read a command from the File daemon
+ * - Read a command from the Client -- FD or SD
* - Execute it
*
*/
dir->fsend(Job_start, jcr->Job);
jcr->start_time = time(NULL);
jcr->run_time = jcr->start_time;
- set_jcr_job_status(jcr, JS_Running);
- dir_send_job_status(jcr); /* update director */
- do_fd_commands(jcr);
+ jcr->sendJobStatus(JS_Running);
+ /*
+ * A migrate or copy job does both a restore (read_data) and
+ * a backup (append_data).
+ * Otherwise we do the commands that the client sends
+ * which are for normal backup or restore jobs.
+ */
+ Dmsg3(050, "==== JobType=%c run_job=%d sd_client=%d\n", jcr->getJobType(), jcr->JobId, jcr->sd_client);
+ if (jcr->is_JobType(JT_BACKUP) && jcr->sd_client) {
+ jcr->session_opened = true;
+ Dmsg0(050, "Do: receive for 3000 OK data then append\n");
+ if (!response(jcr, jcr->file_bsock, "3000 OK data\n", "Append data")) {
+ Dmsg1(050, "Expect: 3000 OK data, got: %s", jcr->file_bsock->msg);
+ Jmsg0(jcr, M_FATAL, 0, "Append data not accepted\n");
+ goto bail_out;
+ }
+ append_data_cmd(jcr);
+ append_end_session(jcr);
+ } else if (jcr->is_JobType(JT_MIGRATE) || jcr->is_JobType(JT_COPY)) {
+ jcr->session_opened = true;
+ read_data_cmd(jcr);
+ Dmsg0(050, "Do: receive for 3000 OK data then read\n");
+ if (!response(jcr, jcr->file_bsock, "3000 OK data\n", "Data received")) {
+ Dmsg1(050, "Expect 3000 OK data, got: %s", jcr->file_bsock->msg);
+ Jmsg0(jcr, M_FATAL, 0, "Read data not accepted\n");
+ jcr->file_bsock->signal(BNET_EOD);
+ goto bail_out;
+ }
+ jcr->file_bsock->signal(BNET_EOD);
+ } else {
+ /* Either a Backup or Restore job */
+ Dmsg0(050, "Do: do_client_commands\n");
+ do_client_commands(jcr);
+ }
+bail_out:
jcr->end_time = time(NULL);
+ flush_jobmedia_queue(jcr);
dequeue_messages(jcr); /* send any queued messages */
- set_jcr_job_status(jcr, JS_Terminated);
+ jcr->setJobStatus(JS_Terminated);
generate_daemon_event(jcr, "JobEnd");
+ generate_plugin_event(jcr, bsdEventJobEnd);
dir->fsend(Job_end, jcr->Job, jcr->JobStatus, jcr->JobFiles,
- edit_uint64(jcr->JobBytes, ec1));
+ edit_uint64(jcr->JobBytes, ec1), jcr->JobErrors);
+ Dmsg1(100, "==== %s", dir->msg);
dir->signal(BNET_EOD); /* send EOD to Director daemon */
+ free_plugins(jcr); /* release instantiated plugins */
return;
}
/*
- * Now talk to the FD and do what he says
+ * Now talk to the Client (FD/SD) and do what he says
*/
-void do_fd_commands(JCR *jcr)
+void do_client_commands(JCR *jcr)
{
int i;
bool found, quit;
/* Read command coming from the File daemon */
stat = fd->recv();
- if (is_bnet_stop(fd)) { /* hardeof or error */
+ if (fd->is_stop()) { /* hard eof or error */
break; /* connection terminated */
}
if (stat <= 0) {
for (i=0; fd_cmds[i].cmd; i++) {
if (strncmp(fd_cmds[i].cmd, fd->msg, strlen(fd_cmds[i].cmd)) == 0) {
found = true; /* indicate command found */
- if (!fd_cmds[i].func(jcr) || job_canceled(jcr)) { /* do command */
- set_jcr_job_status(jcr, JS_ErrorTerminated);
+ jcr->errmsg[0] = 0;
+ if (!fd_cmds[i].func(jcr)) { /* do command */
+ /* Note fd->msg command may be destroyed by comm activity */
+ if (!job_canceled(jcr)) {
+ if (jcr->errmsg[0]) {
+ Jmsg1(jcr, M_FATAL, 0, _("Command error with FD, hanging up. ERR=%s\n"),
+ jcr->errmsg);
+ } else {
+ Jmsg0(jcr, M_FATAL, 0, _("Command error with FD, hanging up.\n"));
+ }
+ jcr->setJobStatus(JS_ErrorTerminated);
+ }
quit = true;
}
break;
}
}
if (!found) { /* command not found */
- Dmsg1(110, "<filed: Command not found: %s\n", fd->msg);
+ if (!job_canceled(jcr)) {
+ Jmsg1(jcr, M_FATAL, 0, _("FD command not found: %s\n"), fd->msg);
+ Dmsg1(110, "<filed: Command not found: %s\n", fd->msg);
+ }
fd->fsend(ferrmsg);
break;
}
Dmsg1(120, "Append data: %s", fd->msg);
if (jcr->session_opened) {
Dmsg1(110, "<bfiled: %s", fd->msg);
- jcr->JobType = JT_BACKUP;
+ jcr->setJobType(JT_BACKUP);
+ jcr->errmsg[0] = 0;
if (do_append_data(jcr)) {
return true;
} else {
- bnet_suppress_error_messages(fd, 1); /* ignore errors at this point */
- fd->fsend(ERROR_append);
+ fd->suppress_error_messages(true); /* ignore errors at this point */
+ fd->fsend(ERROR_append, jcr->errmsg);
}
} else {
+ pm_strcpy(jcr->errmsg, _("Attempt to append on non-open session.\n"));
fd->fsend(NOT_opened);
}
return false;
{
BSOCK *fd = jcr->file_bsock;
- Dmsg1(120, "store<file: %s", fd->msg);
+ Dmsg1(120, ">filed: %s", fd->msg);
if (!jcr->session_opened) {
+ pm_strcpy(jcr->errmsg, _("Attempt to close non-open session.\n"));
fd->fsend(NOT_opened);
return false;
}
- set_jcr_job_status(jcr, JS_Terminated);
return fd->fsend(OK_end);
}
Dmsg1(120, "Append open session: %s", fd->msg);
if (jcr->session_opened) {
+ pm_strcpy(jcr->errmsg, _("Attempt to open already open session.\n"));
fd->fsend(NO_open);
return false;
}
Dmsg1(120, "<filed: %s", fd->msg);
if (!jcr->session_opened) {
+ pm_strcpy(jcr->errmsg, _("Attempt to close non-open session.\n"));
fd->fsend(NOT_opened);
return false;
}
Dmsg1(120, ">filed: %s", fd->msg);
fd->signal(BNET_EOD); /* send EOD to File daemon */
-
jcr->session_opened = false;
return true;
}
Dmsg1(120, "<bfiled: %s", fd->msg);
return do_read_data(jcr);
} else {
+ pm_strcpy(jcr->errmsg, _("Attempt to read on non-open session.\n"));
fd->fsend(NOT_opened);
return false;
}
{
BSOCK *fd = jcr->file_bsock;
- Dmsg1(120, "%s\n", fd->msg);
+ Dmsg1(120, "%s", fd->msg);
if (jcr->session_opened) {
+ pm_strcpy(jcr->errmsg, _("Attempt to open an already open session.\n"));
fd->fsend(NO_open);
return false;
}
if (sscanf(fd->msg, read_open, jcr->read_dcr->VolumeName, &jcr->read_VolSessionId,
&jcr->read_VolSessionTime, &jcr->read_StartFile, &jcr->read_EndFile,
&jcr->read_StartBlock, &jcr->read_EndBlock) == 7) {
- if (jcr->session_opened) {
- fd->fsend(NOT_opened);
- return false;
- }
Dmsg4(100, "read_open_session got: JobId=%d Vol=%s VolSessId=%ld VolSessT=%ld\n",
jcr->JobId, jcr->read_dcr->VolumeName, jcr->read_VolSessionId,
jcr->read_VolSessionTime);
Dmsg4(100, " StartF=%ld EndF=%ld StartB=%ld EndB=%ld\n",
jcr->read_StartFile, jcr->read_EndFile, jcr->read_StartBlock,
jcr->read_EndBlock);
+
+ } else {
+ pm_strcpy(jcr->errmsg, _("Cannot open session, received bad parameters.\n"));
+ fd->fsend(ERROR_open);
+ return false;
}
jcr->session_opened = true;
- jcr->JobType = JT_RESTORE;
+ jcr->setJobType(JT_RESTORE);
/* Send "Ticket" to File Daemon */
fd->fsend(OK_open, jcr->VolSessionId);
return true;
}
-static bool bootstrap_cmd(JCR *jcr)
-{
- return get_bootstrap_file(jcr, jcr->file_bsock);
-}
-
-static pthread_mutex_t bsr_mutex = PTHREAD_MUTEX_INITIALIZER;
-static uint32_t bsr_uniq = 0;
-
-bool get_bootstrap_file(JCR *jcr, BSOCK *sock)
-{
- POOLMEM *fname = get_pool_memory(PM_FNAME);
- FILE *bs;
- bool ok = false;
-
- if (jcr->RestoreBootstrap) {
- unlink(jcr->RestoreBootstrap);
- free_pool_memory(jcr->RestoreBootstrap);
- }
- P(bsr_mutex);
- bsr_uniq++;
- Mmsg(fname, "%s/%s.%s.%d.bootstrap", me->working_directory, me->hdr.name,
- jcr->Job, bsr_uniq);
- V(bsr_mutex);
- Dmsg1(400, "bootstrap=%s\n", fname);
- jcr->RestoreBootstrap = fname;
- bs = fopen(fname, "a+b"); /* create file */
- if (!bs) {
- Jmsg(jcr, M_FATAL, 0, _("Could not create bootstrap file %s: ERR=%s\n"),
- jcr->RestoreBootstrap, strerror(errno));
- goto bail_out;
- }
- Dmsg0(10, "=== Bootstrap file ===\n");
- while (sock->recv() >= 0) {
- Dmsg1(10, "%s", sock->msg);
- fputs(sock->msg, bs);
- }
- fclose(bs);
- Dmsg0(10, "=== end bootstrap file ===\n");
- jcr->bsr = parse_bsr(jcr, jcr->RestoreBootstrap);
- if (!jcr->bsr) {
- Jmsg(jcr, M_FATAL, 0, _("Error parsing bootstrap file.\n"));
- goto bail_out;
- }
- if (debug_level >= 10) {
- dump_bsr(jcr->bsr, true);
- }
- ok = true;
-
-bail_out:
- unlink(jcr->RestoreBootstrap);
- free_pool_memory(jcr->RestoreBootstrap);
- jcr->RestoreBootstrap = NULL;
- if (!ok) {
- sock->fsend(ERROR_bootstrap);
- return false;
- }
- return sock->fsend(OK_bootstrap);
-}
-
-
/*
* Read Close session command
* Close the read session
jcr->session_opened = false;
return true;
}
+
+/*
+ * Get response from FD or SD
+ * sent. Check that the response agrees with what we expect.
+ *
+ * Returns: false on failure
+ * true on success
+ */
+static bool response(JCR *jcr, BSOCK *bs, const char *resp, const char *cmd)
+{
+ int n;
+
+ if (bs->is_error()) {
+ return false;
+ }
+ if ((n = bs->recv()) >= 0) {
+ if (strcmp(bs->msg, resp) == 0) {
+ return true;
+ }
+ Jmsg(jcr, M_FATAL, 0, _("Bad response to %s command: wanted %s, got %s\n"),
+ cmd, resp, bs->msg);
+ return false;
+ }
+ Jmsg(jcr, M_FATAL, 0, _("Socket error on %s command: ERR=%s\n"),
+ cmd, bs->bstrerror());
+ return false;
+}