static int backup_phase4_server(struct sdirs *sdirs, struct conf **cconfs)
{
int breaking=get_int(cconfs[OPT_BREAKPOINT]);
if(breaking==4)
return breakpoint(breaking, __func__);
log_fzp_set(NULL, cconfs);
// Phase4 will open logfp again (in case it is resuming).
switch(get_protocol(cconfs))
{
case PROTO_1:
return backup_phase4_server_protocol1(sdirs, cconfs);
default:
return backup_phase4_server_protocol2(sdirs, cconfs);
}
}
static int recover_finishing(struct async *as,
struct sdirs *sdirs, struct conf **cconfs)
{
int r;
char msg[128]="";
struct asfd *asfd=as->asfd;
logp("Found finishing symlink - attempting to complete prior backup!\n");
snprintf(msg, sizeof(msg),
"Now finalising previous backup of client. "
"Please try again later.");
asfd->write_str(asfd, CMD_ERROR, msg);
// Do not need the client connected any more.
// Disconnect.
logp("Disconnect from client.\n");
as->asfd_remove(as, asfd);
asfd_close(asfd);
switch(get_protocol(cconfs))
{
case PROTO_1:
r=backup_phase4_server_protocol1(sdirs, cconfs);
break;
case PROTO_2:
default:
r=backup_phase4_server_protocol2(sdirs, cconfs);
break;
}
if(r)
{
logp("Problem with prior backup. Please check the client log on the server.");
return -1;
}
logp("Prior backup completed OK.\n");
// Move the symlink to indicate that we are now in the end
// phase.
// FIX THIS: Check whether the rename race condition is recoverable
// here.
if(do_rename(sdirs->finishing, sdirs->current)) return -1;
return 0;
}
