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/*
* This file is part of the Distributed Network Block Device 3
*
* Copyright(c) 2011-2012 Johann Latocha <johann@latocha.de>
*
* This file may be licensed under the terms of the
* GNU General Public License Version 2 (the ``GPL'').
*
* Software distributed under the License is distributed
* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the GPL for the specific language
* governing rights and limitations.
*
* You should have received a copy of the GPL along with this
* program. If not, go to http://www.gnu.org/licenses/gpl.html
* or write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef CONFIG_H_
#define CONFIG_H_
// +++++ Network +++++
// Default port
#define PORT 5003
#define RPC_PORT (PORT+1)
// No serialized payload allowed exceeding this many bytes (so actual data from client->server is not affected by this limit!)
#define MAX_PAYLOAD 1000
// Protocol version should be increased whenever new features/messages are added,
// so either the client or server can run in compatibility mode, or they can
// cancel the connection right away if the protocol has changed too much
#define PROTOCOL_VERSION 3
// 2017-10-16: Update to v3: Change header to support request hop-counting
#define NUMBER_SERVERS 8 // Number of alt servers per image/device
// +++++ Block Device +++++
#define DNBD3_BLOCK_SIZE ((uint64_t)4096) // NEVER CHANGE THIS OR THE WORLD WILL END!
// +++++ COW +++++
#define COW_BITFIELD_SIZE 40 // NEVER CHANGE THIS OR THE WORLD WILL ALSO END!
#define COW_FILE_META_MAGIC_VALUE ((uint64_t)0xEBE44D6E72F7825E) // Magic Value to recognize a Cow meta file
#define COW_FILE_DATA_MAGIC_VALUE ((uint64_t)0xEBE44D6E72F7825F) // Magic Value to recognize a Cow data file
#define COW_MIN_UPLOAD_DELAY 60 // in seconds
#define COW_STATS_UPDATE_TIME 5 // time in seconds the cow status files gets updated (while uploading blocks)
#define COW_MAX_PARALLEL_UPLOADS 10 // maximum number of parallel uploads
#define COW_MAX_PARALLEL_BACKGROUND_UPLOADS 2 // maximum number of parallel uploads while the image is still mounted
#define COW_URL_STRING_SIZE 500 // Max string size for an url
#define COW_SHOW_UL_SPEED 1 // enable display of ul speed in cow status file
#define COW_MAX_IMAGE_SIZE 1000LL * 1000LL * 1000LL * 1000LL; // Maximum size an image can have(tb*gb*mb*kb)
// +++++ COW API Endpoints +++++
#define COW_API_CREATE "%s/api/File/Create"
#define COW_API_UPDATE "%s/api/File/Update?guid=%s&BlockNumber=%lu"
#define COW_API_START_MERGE "%s/api/File/StartMerge"
#endif /* CONFIG_H_ */
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