struct manios *manios_open_phase2(struct sdirs *sdirs, man_off_t *p1pos,
enum protocol p)
{
struct manios *m=NULL;
if(!(m=manios_alloc())
|| !(m->current=manio_open(sdirs->cmanifest, "rb", p))
|| !(m->phase1=manio_open_phase1(sdirs->phase1data, "rb", p))
|| !(m->changed=manio_open_phase2(sdirs->changed, "ab", p))
|| !(m->unchanged=manio_open_phase2(sdirs->unchanged, "ab", p))
|| (p1pos && manio_seek(m->phase1, p1pos)))
manios_close(&m);
return m;
}
static
#endif
int do_backup_phase2_server_protocol2(struct async *as, struct asfd *chfd,
struct sdirs *sdirs, int resume, struct conf **confs)
{
int ret=-1;
uint8_t end_flags=0;
struct slist *slist=NULL;
struct iobuf wbuf;
struct dpth *dpth=NULL;
man_off_t *p1pos=NULL;
struct manios *manios=NULL;
// This is used to tell the client that a number of consecutive blocks
// have been found and can be freed.
uint64_t wrap_up=0;
struct asfd *asfd=NULL;
struct cntr *cntr=NULL;
struct sbuf *csb=NULL;
uint64_t file_no=1;
if(!as)
{
logp("async not provided to %s()\n", __func__);
goto end;
}
if(!sdirs)
{
logp("sdirs not provided to %s()\n", __func__);
goto end;
}
if(!confs)
{
logp("confs not provided to %s()\n", __func__);
goto end;
}
asfd=as->asfd;
if(!asfd)
{
logp("asfd not provided to %s()\n", __func__);
goto end;
}
if(!chfd)
{
logp("chfd not provided to %s()\n", __func__);
goto end;
}
cntr=get_cntr(confs);
if(get_int(confs[OPT_BREAKPOINT])>=2000
&& get_int(confs[OPT_BREAKPOINT])<3000)
{
breaking=get_int(confs[OPT_BREAKPOINT]);
breakcount=breaking-2000;
}
logp("Phase 2 begin (recv backup data)\n");
if(!(dpth=dpth_alloc())
|| dpth_protocol2_init(dpth,
sdirs->data,
get_string(confs[OPT_CNAME]),
sdirs->cfiles,
get_int(confs[OPT_MAX_STORAGE_SUBDIRS])))
goto end;
if(resume && !(p1pos=do_resume(sdirs, dpth, confs)))
goto end;
if(!(manios=manios_open_phase2(sdirs, p1pos, PROTO_2))
|| !(slist=slist_alloc())
|| !(csb=sbuf_alloc(PROTO_2)))
goto end;
iobuf_free_content(asfd->rbuf);
memset(&wbuf, 0, sizeof(struct iobuf));
while(!(end_flags&END_BACKUP))
{
if(maybe_add_from_scan(manios, slist, chfd, &csb))
goto end;
if(!wbuf.len)
{
if(get_wbuf_from_sigs(&wbuf, slist, &end_flags))
goto end;
if(!wbuf.len)
{
get_wbuf_from_files(&wbuf, slist,
manios, &end_flags, &file_no);
}
}
if(wbuf.len
&& asfd->append_all_to_write_buffer(asfd, &wbuf)==APPEND_ERROR)
goto end;
if(append_for_champ_chooser(chfd, slist->blist, end_flags))
goto end;
if(as->read_write(as))
{
logp("error from as->read_write in %s\n", __func__);
goto end;
}
while(asfd->rbuf->buf)
{
if(deal_with_read(asfd->rbuf, slist, cntr,
&end_flags, dpth))
goto end;
// Get as much out of the readbuf as possible.
if(asfd->parse_readbuf(asfd))
goto end;
}
while(chfd->rbuf->buf)
{
if(deal_with_read_from_chfd(chfd,
slist->blist, &wrap_up, dpth, cntr))
goto end;
// Get as much out of the readbuf as possible.
if(chfd->parse_readbuf(chfd))
goto end;
}
if(write_to_changed_file(asfd, chfd, manios,
slist, end_flags))
goto end;
}
// Hack: If there are some entries left after the last entry that
// contains block data, it will not be written to the changed file
// yet because the last entry of block data has not had
// sb->protocol2->bend set.
if(slist->head && slist->head->next)
{
struct sbuf *sb=NULL;
sb=slist->head;
slist->head=sb->next;
sbuf_free(&sb);
if(write_to_changed_file(asfd, chfd, manios,
slist, end_flags))
goto end;
}
if(manios_close(&manios))
goto end;
if(check_for_missing_work_in_slist(slist))
goto end;
// Need to release the last left. There should be one at most.
if(dpth->head && dpth->head->next)
{
logp("ERROR: More data locks remaining after: %s\n",
dpth->head->save_path);
goto end;
}
if(dpth_release_all(dpth)) goto end;
ret=0;
end:
logp("End backup\n");
sbuf_free(&csb);
slist_free(&slist);
if(asfd) iobuf_free_content(asfd->rbuf);
if(chfd) iobuf_free_content(chfd->rbuf);
dpth_free(&dpth);
manios_close(&manios);
man_off_t_free(&p1pos);
return ret;
}
