ndmp9_error
ndmda_data_start_recover_fh (struct ndm_session *sess)
{
struct ndm_data_agent * da = sess->data_acb;
ndmp9_error error = NDMP9_NO_ERR;
char cmd[NDMDA_MAX_CMD];
strcpy (cmd, "wrap_");
strcat (cmd, da->bu_type);
ndmda_add_to_cmd (cmd, "-t");
ndmda_add_to_cmd (cmd, "-I#3");
add_env (&da->env_tab, cmd);
add_nlist (&da->nlist_tab, cmd);
ndma_send_logmsg (sess, NDMP9_LOG_DEBUG, sess->plumb.data,
"CMD: %s", cmd);
if (ndmda_pipe_fork_exec (sess, cmd, 0) < 0) {
return NDMP9_UNDEFINED_ERR;
}
ndmis_data_start (sess, NDMCHAN_MODE_READ);
da->data_state.state = NDMP9_DATA_STATE_ACTIVE;
da->data_state.operation = NDMP9_DATA_OP_RECOVER_FILEHIST;
return error;
}
ndmp9_error
ndmda_data_start_backup (struct ndm_session *sess)
{
struct ndm_data_agent * da = sess->data_acb;
ndmp9_error error = NDMP9_NO_ERR;
char cmd[NDMDA_MAX_CMD];
strcpy (cmd, "wrap_");
strcat (cmd, da->bu_type);
if (sess->param->log_level > 0) {
char tmpbuf[40];
sprintf(tmpbuf, "-d%d", sess->param->log_level);
ndmda_add_to_cmd (cmd, tmpbuf);
}
ndmda_add_to_cmd (cmd, "-c");
ndmda_add_to_cmd (cmd, "-I#3");
add_env (&da->env_tab, cmd);
ndma_send_logmsg (sess, NDMP9_LOG_DEBUG, sess->plumb.data,
"CMD: %s", cmd);
if (ndmda_pipe_fork_exec (sess, cmd, 1) < 0) {
return NDMP9_UNDEFINED_ERR;
}
ndmis_data_start (sess, NDMCHAN_MODE_WRITE);
da->data_state.state = NDMP9_DATA_STATE_ACTIVE;
da->data_state.operation = NDMP9_DATA_OP_BACKUP;
return error;
}
void
ndmta_mover_start_active (struct ndm_session *sess)
{
struct ndm_tape_agent * ta = sess->tape_acb;
ndmalogf (sess, 0, 6, "mover going active");
ndma_send_logmsg(sess, NDMP9_LOG_DEBUG, sess->plumb.control,
"mover going active");
switch (ta->mover_state.mode) {
case NDMP9_MOVER_MODE_READ:
ndmis_tape_start (sess, NDMCHAN_MODE_READ);
ndmta_mover_active (sess);
break;
case NDMP9_MOVER_MODE_WRITE:
ndmis_tape_start (sess, NDMCHAN_MODE_WRITE);
ndmta_mover_active (sess);
break;
default:
ndmalogf (sess, 0, 0, "BOTCH mover listen, unknown mode");
break;
}
}
void
ndmda_send_data_read (struct ndm_session *sess,
unsigned long long offset, unsigned long long length)
{
struct ndm_data_agent * da = sess->data_acb;
ndmp9_addr_type addr_type;
addr_type = da->data_state.data_connection_addr.addr_type;
#if 0
da->reco_read_offset = offset;
da->reco_read_length = length;
#endif
if (NDMP9_ADDR_LOCAL == addr_type) {
#ifndef NDMOS_OPTION_NO_TAPE_AGENT
if (ndmta_local_mover_read (sess, offset, length) != 0) {
ndma_send_logmsg (sess, NDMP9_LOG_ERROR,
sess->plumb.data,
"local_mover_read failed");
ndmda_data_halt (sess, NDMP9_DATA_HALT_INTERNAL_ERROR);
}
#else /* !NDMOS_OPTION_NO_TAPE_AGENT */
ndma_send_logmsg (sess, NDMP9_LOG_ERROR,
sess->plumb.data,
"local_mover_read not configured");
ndmda_data_halt (sess, NDMP9_DATA_HALT_INTERNAL_ERROR);
#endif /* !NDMOS_OPTION_NO_TAPE_AGENT */
return;
}
switch (addr_type) {
case NDMP9_ADDR_TCP:
ndma_notify_data_read (sess, offset, length);
break;
default:
ndma_send_logmsg (sess, NDMP9_LOG_ERROR, sess->plumb.data,
"bogus mover.addr_type");
ndmda_data_halt (sess, NDMP9_DATA_HALT_INTERNAL_ERROR);
break;
}
}
int
ndmda_quantum_stderr (struct ndm_session *sess)
{
struct ndm_data_agent * da = sess->data_acb;
struct ndmchan * ch = &da->formatter_error;
int did_something = 0;
char * p;
char * data;
char * pend;
unsigned n_ready;
again:
n_ready = ndmchan_n_ready (ch);
if (n_ready == 0)
return did_something;
data = p = &ch->data[ch->beg_ix];
pend = p + n_ready;
while (p < pend && *p != '\n') p++;
if (p < pend && *p == '\n') {
*p++ = 0;
ndma_send_logmsg (sess, NDMP9_LOG_NORMAL, sess->plumb.data,
"%s", data);
ch->beg_ix += p - data;
did_something++;
goto again;
}
if (!ch->eof)
return did_something;
/* content w/o newline, and EOF */
/* p == pend */
if (ch->end_ix >= ch->data_size) {
if (data != ch->data) {
ndmchan_compress (ch);
goto again;
}
/* that's one huge message */
p--; /* lose last byte */
}
ch->data[ch->end_ix++] = '\n';
did_something++;
goto again;
}
void
ndmda_send_logmsg (struct ndm_session *sess, char *fmt, ...)
{
struct ndmconn * conn = sess->plumb.control;
char buf[4096];
va_list ap;
va_start (ap, fmt);
vsnprintf (buf, sizeof(buf), fmt, ap);
va_end (ap);
// we don't handle our own messages so don't send them....
if (conn->conn_type == NDMCONN_TYPE_RESIDENT) {
ndmalogf(sess, 0, 2, "RESIDENT AGENT LOGMSG: %s", buf);
return;
}
ndma_send_logmsg (sess, buf, conn);
}
ndmp9_error
ndmos_tape_open (struct ndm_session *sess, char *drive_name, int will_write)
{
ndmp9_error err;
struct ndm_tape_agent * ta = sess->tape_acb;
if (ta->tape_fd >= 0) {
ndma_send_logmsg(sess, NDMP9_LOG_ERROR, sess->plumb.control,
"device simulator is already open");
return NDMP9_DEVICE_OPENED_ERR;
}
if (sess->ntsc && sess->ntsc->tape_open) {
err = sess->ntsc->tape_open(sess, drive_name, will_write);
if (err != NDMP9_NO_ERR)
return err;
}
return NDMP9_NO_ERR;
}
ndmp9_error
ndmos_tape_open (struct ndm_session *sess, char *drive_name, int will_write)
{
struct ndm_tape_agent * ta = &sess->tape_acb;
struct simu_gap gap;
struct stat st;
int read_only, omode;
int rc, fd;
char *pos_symlink_name;
char pos_buf[32];
off_t pos = -1;
if (ta->tape_fd >= 0) {
ndma_send_logmsg(sess, NDMP9_LOG_ERROR, sess->plumb.control,
"device simulator is already open");
return NDMP9_DEVICE_OPENED_ERR;
}
if (stat (drive_name, &st) < 0) {
return NDMP9_NO_DEVICE_ERR;
}
read_only = (st.st_mode & 0222) == 0;
if (!will_write) {
omode = 0;
} else {
if (read_only)
return NDMP9_WRITE_PROTECT_ERR;
omode = 2; /* ndmp_write means read/write */
}
if (touch_tape_lockfile(drive_name) < 0)
return NDMP9_DEVICE_BUSY_ERR;
fd = open (drive_name, omode);
if (fd < 0) {
return NDMP9_PERMISSION_ERR;
}
pos_symlink_name = g_strdup_printf("%s.pos", drive_name);
if (st.st_size == 0) {
remove (pos_symlink_name);
if (will_write) {
gap.magic = SIMU_GAP_MAGIC;
gap.rectype = SIMU_GAP_RT_BOT;
gap.size = 0;
gap.prev_size = 0;
if (write (fd, &gap, sizeof gap) < (int)sizeof gap) {
close(fd);
return NDMP9_IO_ERR;
}
gap.rectype = SIMU_GAP_RT_EOT;
if (write (fd, &gap, sizeof gap) < (int)sizeof gap) {
close(fd);
return NDMP9_IO_ERR;
}
lseek (fd, (off_t)0, 0);
} else {
goto skip_header_check;
}
}
rc = read (fd, &gap, sizeof gap);
if (rc != sizeof gap) {
close (fd);
return NDMP9_NO_TAPE_LOADED_ERR;
}
#if 1
if (gap.magic != SIMU_GAP_MAGIC) {
close (fd);
return NDMP9_IO_ERR;
}
#else
if (gap.magic != SIMU_GAP_MAGIC
|| gap.rectype != SIMU_GAP_RT_BOT
|| gap.size != 0) {
close (fd);
return NDMP9_IO_ERR;
}
#endif
rc = readlink (pos_symlink_name, pos_buf, sizeof pos_buf);
if (rc > 0) {
pos_buf[rc] = 0;
pos = strtol (pos_buf, 0, 0);
lseek (fd, pos, 0);
rc = read (fd, &gap, sizeof gap);
if (rc == sizeof gap && gap.magic == SIMU_GAP_MAGIC) {
} else {
pos = sizeof gap;
}
lseek (fd, pos, 0);
}
skip_header_check:
remove (pos_symlink_name);
g_free(pos_symlink_name);
ta->tape_fd = fd;
NDMOS_API_BZERO (ta->drive_name, sizeof ta->drive_name);
g_strlcpy (ta->drive_name, drive_name, sizeof ta->drive_name);
bzero (&ta->tape_state, sizeof ta->tape_state);
ta->tape_state.error = NDMP9_NO_ERR;
ta->tape_state.state = NDMP9_TAPE_STATE_OPEN;
ta->tape_state.open_mode =
will_write ? NDMP9_TAPE_RDWR_MODE : NDMP9_TAPE_READ_MODE;
ta->tape_state.file_num.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.soft_errors.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.block_size.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.blockno.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.total_space.valid = NDMP9_VALIDITY_INVALID;
ta->tape_state.space_remain.valid = NDMP9_VALIDITY_INVALID;
ta->sent_leom = 0;
if (o_tape_limit) {
g_assert(o_tape_limit > st.st_size);
ta->tape_state.total_space.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.total_space.value = o_tape_limit;
ta->tape_state.space_remain.valid = NDMP9_VALIDITY_VALID;
ta->tape_state.space_remain.value = o_tape_limit - st.st_size;
}
return NDMP9_NO_ERR;
}
int
ndmda_wrap_in (struct ndm_session *sess, char *wrap_line)
{
struct wrap_msg_buf _wmsg, *wmsg = &_wmsg;
int rc;
ndmp9_file_stat fstat9;
NDMOS_MACRO_ZEROFILL (wmsg);
rc = wrap_parse_msg (wrap_line, wmsg);
if (rc != 0) {
ndmalogf (sess, 0, 2, "Malformed wrap: %s", wrap_line);
return -1;
}
switch (wmsg->msg_type) {
case WRAP_MSGTYPE_LOG_MESSAGE:
ndmalogf (sess, "WRAP", 2, "%s",
wmsg->body.log_message.message);
ndma_send_logmsg (sess, NDMP9_LOG_NORMAL, sess->plumb.data,
"WRAP: %s", wmsg->body.log_message.message);
break;
case WRAP_MSGTYPE_ADD_FILE:
ndmp9_fstat_from_wrap_fstat (&fstat9,
&wmsg->body.add_file.fstat);
fstat9.fh_info.valid = NDMP9_VALIDITY_VALID;
fstat9.fh_info.value = wmsg->body.add_file.fhinfo;
ndmda_fh_add_file (sess, &fstat9, wmsg->body.add_file.path);
break;
case WRAP_MSGTYPE_ADD_DIRENT:
ndmda_fh_add_dir (sess,
wmsg->body.add_dirent.dir_fileno,
wmsg->body.add_dirent.name,
wmsg->body.add_dirent.fileno);
break;
case WRAP_MSGTYPE_ADD_NODE:
ndmp9_fstat_from_wrap_fstat (&fstat9,
&wmsg->body.add_node.fstat);
fstat9.fh_info.valid = NDMP9_VALIDITY_VALID;
fstat9.fh_info.value = wmsg->body.add_node.fhinfo;
ndmda_fh_add_node (sess, &fstat9);
break;
case WRAP_MSGTYPE_DATA_READ:
ndmda_send_data_read (sess,
wmsg->body.data_read.offset,
wmsg->body.data_read.length);
break;
case WRAP_MSGTYPE_ADD_ENV:
case WRAP_MSGTYPE_DATA_STATS:
case WRAP_MSGTYPE_RECOVERY_RESULT:
ndmalogf (sess, 0, 2, "Unimplemented wrap: %s", wrap_line);
break;
}
return 0;
}
