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/*
* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _pbd_archive_h_
#define _pbd_archive_h_
#include <pthread.h>
#include "pbd/signals.h"
#ifndef LIBPBD_API
#include "pbd/libpbd_visibility.h"
#endif
namespace PBD {
class LIBPBD_API FileArchive
{
public:
FileArchive (const std::string& url);
~FileArchive ();
int inflate (const std::string& destdir);
std::vector<std::string> contents ();
std::string next_file_name ();
int extract_current_file (const std::string& destpath);
/* these are mapped to libarchive's lzmaz
* compression level 0..9
*/
enum CompressionLevel {
CompressNone = -1,
CompressFast = 0,
CompressGood = 6
};
int create (const std::string& srcdir, CompressionLevel compression_level = CompressGood);
int create (const std::map <std::string, std::string>& filemap, CompressionLevel compression_level = CompressGood);
PBD::Signal2<void, size_t, size_t> progress; // TODO
struct MemPipe {
public:
MemPipe ()
: data (NULL)
, progress (0)
{
pthread_mutex_init (&_lock, NULL);
pthread_cond_init (&_ready, NULL);
reset ();
}
~MemPipe ()
{
lock ();
free (data);
unlock ();
pthread_mutex_destroy (&_lock);
pthread_cond_destroy (&_ready);
}
void reset ()
{
lock ();
free (data);
data = 0;
size = 0;
done = false;
processed = 0;
length = -1;
unlock ();
}
void lock () { pthread_mutex_lock (&_lock); }
void unlock () { pthread_mutex_unlock (&_lock); }
void signal () { pthread_cond_signal (&_ready); }
void wait () { pthread_cond_wait (&_ready, &_lock); }
uint8_t buf[8192];
uint8_t* data;
size_t size;
bool done;
double processed;
double length;
FileArchive* progress;
private:
pthread_mutex_t _lock;
pthread_cond_t _ready;
};
struct Request {
public:
Request (const std::string& u)
{
if (u.size () > 0) {
url = strdup (u.c_str());
} else {
url = NULL;
}
}
~Request ()
{
free (url);
}
bool is_remote () const
{
if (!strncmp (url, "https://", 8) || !strncmp (url, "http://", 7) || !strncmp (url, "ftp://", 6)) {
return true;
}
return false;
}
char* url;
MemPipe mp;
};
private:
int process_file ();
int process_url ();
std::vector<std::string> contents_url ();
std::vector<std::string> contents_file ();
int extract_url ();
int extract_file ();
int do_extract (struct archive* a);
std::vector<std::string> get_contents (struct archive *a);
bool is_url ();
struct archive* setup_file_archive ();
Request _req;
pthread_t _tid;
struct archive_entry* _current_entry;
struct archive* _archive;
};
} /* namespace */
#endif // _reallocpool_h_
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