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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2015 Lennart Poettering
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <lzma.h>
#include <zlib.h>
#include <bzlib.h>
#include <gcrypt.h>
#include "macro.h"
#include "curl-util.h"
typedef struct ImportJob ImportJob;
typedef void (*ImportJobFinished)(ImportJob *job);
typedef int (*ImportJobOpenDisk)(ImportJob *job);
typedef int (*ImportJobHeader)(ImportJob*job, const char *header, size_t sz);
typedef enum ImportJobState {
IMPORT_JOB_INIT,
IMPORT_JOB_ANALYZING, /* Still reading into ->payload, to figure out what we have */
IMPORT_JOB_RUNNING, /* Writing to destination */
IMPORT_JOB_DONE,
IMPORT_JOB_FAILED,
_IMPORT_JOB_STATE_MAX,
_IMPORT_JOB_STATE_INVALID = -1,
} ImportJobState;
#define IMPORT_JOB_STATE_IS_COMPLETE(j) (IN_SET((j)->state, IMPORT_JOB_DONE, IMPORT_JOB_FAILED))
typedef enum ImportJobCompression {
IMPORT_JOB_UNCOMPRESSED,
IMPORT_JOB_XZ,
IMPORT_JOB_GZIP,
IMPORT_JOB_BZIP2,
_IMPORT_JOB_COMPRESSION_MAX,
_IMPORT_JOB_COMPRESSION_INVALID = -1,
} ImportJobCompression;
struct ImportJob {
ImportJobState state;
int error;
char *url;
void *userdata;
ImportJobFinished on_finished;
ImportJobOpenDisk on_open_disk;
ImportJobHeader on_header;
CurlGlue *glue;
CURL *curl;
struct curl_slist *request_header;
char *etag;
char **old_etags;
bool etag_exists;
uint64_t content_length;
uint64_t written_compressed;
uint64_t written_uncompressed;
uint64_t uncompressed_max;
uint64_t compressed_max;
uint8_t *payload;
size_t payload_size;
size_t payload_allocated;
int disk_fd;
usec_t mtime;
ImportJobCompression compressed;
lzma_stream xz;
z_stream gzip;
bz_stream bzip2;
unsigned progress_percent;
usec_t start_usec;
usec_t last_status_usec;
bool allow_sparse;
bool calc_checksum;
gcry_md_hd_t checksum_context;
char *checksum;
};
int import_job_new(ImportJob **job, const char *url, CurlGlue *glue, void *userdata);
ImportJob* import_job_unref(ImportJob *job);
int import_job_begin(ImportJob *j);
void import_job_curl_on_finished(CurlGlue *g, CURL *curl, CURLcode result);
DEFINE_TRIVIAL_CLEANUP_FUNC(ImportJob*, import_job_unref);
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