/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*- * * librsync -- the library for network deltas * $Id$ * * Copyright (C) 2000, 2001 by Martin Pool <mbp@samba.org> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ struct rs_job { int dogtag; /** Human-readable job operation name. */ const char *job_name; rs_buffers_t *stream; /** Callback for each processing step. */ rs_result (*statefn)(rs_job_t *); /** Final result of processing job. Used by rs_job_s_failed(). */ rs_result final_result; /* XXX: These next two are redundant with their equivalents in the * signature field. Perhaps we should get rid of them, but * they're also used in the mksum operation. */ int block_len; int strong_sum_len; /** Signature that's either being read in, or used for * generating a delta. */ rs_signature_t *signature; /** Command byte currently being processed, if any. */ unsigned char op; /** If in the middle of reading a signature (rs_loadsig_s_weak()), * or generating a delta, this contains the weak signature. */ rs_weak_sum_t weak_sig; /** If generating a delta, this is true if we have a valid weak signature and * can roll it forward. */ int have_weak_sig; /** Lengths of expected parameters. */ rs_long_t param1, param2; struct rs_prototab_ent const *cmd; rs_mdfour_t output_md4; /** Encoding statistics. */ rs_stats_t stats; /** Buffer of data left over in the scoop. Allocation is * scoop_buf..scoop_alloc, and scoop_next[0..scoop_avail] * contains valid data. */ char *scoop_buf; char *scoop_next; size_t scoop_alloc; size_t scoop_avail; /** If USED is >0, then buf contains that much write data to * be sent out. */ char write_buf[16]; int write_len; /** If \p copy_len is >0, then that much data should be copied * through from the input. */ rs_long_t copy_len; /** Copy from the basis position. */ rs_long_t basis_pos, basis_len; /** Callback used to copy data from the basis into the output. */ rs_copy_cb *copy_cb; void *copy_arg; }; rs_job_t * rs_job_new(const char *, rs_result (*statefn)(rs_job_t *)); void rs_job_check(rs_job_t *job); const rs_stats_t *rs_job_statistics(rs_job_t *); int rs_job_input_is_ending(rs_job_t *job);