/*
* Send an Amanda dump header to the output file and set file->blocksize
*/
static ssize_t
write_header(
XferDestHolding *self,
int fd)
{
char *buffer;
size_t written;
self->chunk_header->blocksize = HEADER_BLOCK_BYTES;
if (debug_chunker > 1)
dump_dumpfile_t((dumpfile_t *)self->chunk_header);
buffer = build_header((dumpfile_t *)self->chunk_header, NULL, HEADER_BLOCK_BYTES);
if (!buffer) /* this shouldn't happen */
error(_("header does not fit in %zd bytes"), (size_t)HEADER_BLOCK_BYTES);
written = db_full_write(fd, buffer, HEADER_BLOCK_BYTES);
g_free(buffer);
if(written == HEADER_BLOCK_BYTES) return HEADER_BLOCK_BYTES;
/* fake ENOSPC when we get a short write without errno set */
if(errno == 0)
errno = ENOSPC;
return (ssize_t)-1;
}
/*
* Send an Amanda dump header to the output file and set file->blocksize
*/
static ssize_t
write_tapeheader(
int outfd,
dumpfile_t *file)
{
char *buffer;
size_t written;
file->blocksize = DISK_BLOCK_BYTES;
if (debug_chunker > 1)
dump_dumpfile_t(file);
buffer = build_header(file, NULL, DISK_BLOCK_BYTES);
if (!buffer) /* this shouldn't happen */
error(_("header does not fit in %zd bytes"), (size_t)DISK_BLOCK_BYTES);
written = full_write(outfd, buffer, DISK_BLOCK_BYTES);
amfree(buffer);
if(written == DISK_BLOCK_BYTES) return 0;
/* fake ENOSPC when we get a short write without errno set */
if(errno == 0)
errno = ENOSPC;
return (ssize_t)-1;
}
int
rename_tmp_holding(
char * holding_file,
int complete)
{
int fd;
size_t buflen;
char buffer[DISK_BLOCK_BYTES];
dumpfile_t file;
char *filename;
char *filename_tmp = NULL;
memset(buffer, 0, sizeof(buffer));
filename = g_strdup(holding_file);
while(filename != NULL && filename[0] != '\0') {
g_free(filename_tmp);
filename_tmp = g_strconcat(filename, ".tmp", NULL);
if((fd = robust_open(filename_tmp,O_RDONLY, 0)) == -1) {
dbprintf(_("rename_tmp_holding: open of %s failed: %s\n"),filename_tmp,strerror(errno));
amfree(filename);
amfree(filename_tmp);
return 0;
}
buflen = read_fully(fd, buffer, sizeof(buffer), NULL);
close(fd);
if(rename(filename_tmp, filename) != 0) {
dbprintf(_("rename_tmp_holding: could not rename \"%s\" to \"%s\": %s"),
filename_tmp, filename, strerror(errno));
}
if (buflen <= 0) {
dbprintf(_("rename_tmp_holding: %s: empty file?\n"), filename);
amfree(filename);
amfree(filename_tmp);
return 0;
}
parse_file_header(buffer, &file, (size_t)buflen);
if(complete == 0 ) {
char * header;
if((fd = robust_open(filename, O_RDWR, 0)) == -1) {
dbprintf(_("rename_tmp_holdingX: open of %s failed: %s\n"),
filename, strerror(errno));
dumpfile_free_data(&file);
amfree(filename);
amfree(filename_tmp);
return 0;
}
file.is_partial = 1;
if (debug_holding > 1)
dump_dumpfile_t(&file);
header = build_header(&file, NULL, DISK_BLOCK_BYTES);
if (!header) /* this shouldn't happen */
error(_("header does not fit in %zd bytes"), (size_t)DISK_BLOCK_BYTES);
if (full_write(fd, header, DISK_BLOCK_BYTES) != DISK_BLOCK_BYTES) {
dbprintf(_("rename_tmp_holding: writing new header failed: %s"),
strerror(errno));
dumpfile_free_data(&file);
amfree(filename);
amfree(filename_tmp);
free(header);
close(fd);
return 0;
}
free(header);
close(fd);
}
g_free(filename);
filename = g_strdup(file.cont_filename);
dumpfile_free_data(&file);
}
amfree(filename);
amfree(filename_tmp);
return 1;
}
