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118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2015 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <lzma.h>
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#include <zlib.h>
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#include <bzlib.h>
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#include <gcrypt.h>
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#include "macro.h"
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#include "curl-util.h"
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typedef struct ImportJob ImportJob;
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typedef void (*ImportJobFinished)(ImportJob *job);
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typedef int (*ImportJobOpenDisk)(ImportJob *job);
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typedef int (*ImportJobHeader)(ImportJob*job, const char *header, size_t sz);
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typedef enum ImportJobState {
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IMPORT_JOB_INIT,
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IMPORT_JOB_ANALYZING, /* Still reading into ->payload, to figure out what we have */
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IMPORT_JOB_RUNNING, /* Writing to destination */
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IMPORT_JOB_DONE,
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IMPORT_JOB_FAILED,
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_IMPORT_JOB_STATE_MAX,
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_IMPORT_JOB_STATE_INVALID = -1,
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} ImportJobState;
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#define IMPORT_JOB_STATE_IS_COMPLETE(j) (IN_SET((j)->state, IMPORT_JOB_DONE, IMPORT_JOB_FAILED))
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typedef enum ImportJobCompression {
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IMPORT_JOB_UNCOMPRESSED,
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IMPORT_JOB_XZ,
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IMPORT_JOB_GZIP,
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IMPORT_JOB_BZIP2,
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_IMPORT_JOB_COMPRESSION_MAX,
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_IMPORT_JOB_COMPRESSION_INVALID = -1,
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} ImportJobCompression;
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struct ImportJob {
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ImportJobState state;
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int error;
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char *url;
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void *userdata;
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ImportJobFinished on_finished;
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ImportJobOpenDisk on_open_disk;
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ImportJobHeader on_header;
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CurlGlue *glue;
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CURL *curl;
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struct curl_slist *request_header;
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char *etag;
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char **old_etags;
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bool etag_exists;
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uint64_t content_length;
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uint64_t written_compressed;
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uint64_t written_uncompressed;
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uint64_t uncompressed_max;
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uint64_t compressed_max;
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uint8_t *payload;
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size_t payload_size;
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size_t payload_allocated;
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int disk_fd;
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usec_t mtime;
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ImportJobCompression compressed;
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lzma_stream xz;
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z_stream gzip;
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bz_stream bzip2;
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unsigned progress_percent;
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usec_t start_usec;
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usec_t last_status_usec;
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bool allow_sparse;
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bool calc_checksum;
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gcry_md_hd_t checksum_context;
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char *checksum;
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};
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int import_job_new(ImportJob **job, const char *url, CurlGlue *glue, void *userdata);
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ImportJob* import_job_unref(ImportJob *job);
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int import_job_begin(ImportJob *j);
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void import_job_curl_on_finished(CurlGlue *g, CURL *curl, CURLcode result);
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DEFINE_TRIVIAL_CLEANUP_FUNC(ImportJob*, import_job_unref);
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