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/**
* mds — A micro-display server
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef MDS_MDS_REGISTRY_H
#define MDS_MDS_REGISTRY_H
#include "../mds-base.h"
#include <stdint.h>
/**
* Handle the received message
*
* @return Zero on success -1 on error or interruption,
* errno will be set accordingly
*/
int handle_message(void);
/**
* Convert a client ID string into a client ID integer
*
* @param str The client ID string
* @return The client ID integer
*/
uint64_t parse_client_id(const char* str);
/**
* Perform an action over the registry
*
* @param length The length of the received message
* @param action -1 to remove command, +1 to add commands, 0 to
* wait until the message commnds are registered
* @param recv_client_id The ID of the client
* @param recv_message_id The ID of the received message
* @return Zero on success -1 on error or interruption,
* errno will be set accordingly
*/
int registry_action(size_t length, int action, const char* recv_client_id, const char* recv_message_id);
/**
* Send a list of all registered commands to a client
*
* @param recv_client_id The ID of the client
* @param recv_message_id The ID of the received message
* @return Zero on success -1 on error or interruption,
* errno will be set accordingly
*/
int list_registry(const char* recv_client_id, const char* recv_message_id);
/**
* Free a key from a table
*
* @param obj The key
*/
void reg_table_free_key(size_t obj);
/**
* Free a value from a table
*
* @param obj The value
*/
void reg_table_free_value(size_t obj);
/**
* Send a full message even if interrupted
*
* @param message The message to send
* @param length The length of the message
* @return Non-zero on success
*/
int full_send(const char* message, size_t length);
#endif
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