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118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* Messenger.h
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*
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* An implementation of a simple text chat only messenger on the tox network core.
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*
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* NOTE: All the text in the messages must be encoded using UTF-8
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Copyright (C) 2013 Tox project All Rights Reserved.
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This file is part of Tox.
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Tox is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Tox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MESSENGER_H
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#define MESSENGER_H
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#include "net_crypto.h"
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#include "DHT.h"
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//add a friend
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//set the data that will be sent along with friend request
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//client_id is the client id of the friend
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//data is the data and length is the length
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//returns the friend number if success
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//return -1 if failure.
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int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length);
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//add a friend without sending a friendrequest.
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//returns the friend number if success
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//return -1 if failure.
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int m_addfriend_norequest(uint8_t * client_id);
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//return the friend id associated to that client id.
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//return -1 if no such friend
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int getfriend_id(uint8_t * client_id);
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//copies the public key associated to that friend id into client_id buffer.
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//make sure that client_id is of size CLIENT_ID_SIZE.
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//returns 0 if success
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//return -1 if failure.
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int getclient_id(int friend_id, uint8_t * client_id);
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//remove a friend
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int m_delfriend(int friendnumber);
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//return 4 if friend is online
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//return 3 if friend is confirmed
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//return 2 if the friend request was sent
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//return 1 if the friend was added
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//return 0 if there is no friend with that number.
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int m_friendstatus(int friendnumber);
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//send a text chat message to an online friend.
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//returns 1 if packet was successfully put into the send queue
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//return 0 if it was not.
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int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length);
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//Set our nickname
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//name must be a string of maximum MAX_NAME_LENGTH length.
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//return 0 if success
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//return -1 if failure
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int setname(uint8_t * name, uint16_t length);
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//get name of friendnumber
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//put it in name
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//name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
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//return 0 if success
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//return -1 if failure
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int getname(int friendnumber, uint8_t * name);
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//set the function that will be executed when a friend request is received.
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//function format is function(uint8_t * public_key, uint8_t * data, uint16_t length)
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void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
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//set the function that will be executed when a message from a friend is received.
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//function format is: function(int friendnumber, uint8_t * message, uint32_t length)
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void m_callback_friendmessage(void (*function)(int, uint8_t *, uint16_t));
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//run this at startup
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void initMessenger();
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//the main loop that needs to be run at least 200 times per second.
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void doMessenger();
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//SAVING AND LOADING FUNCTIONS:
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//returns the size of the messenger data (for saving)
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uint32_t Messenger_size();
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//save the messenger in data (must be allocated memory of size Messenger_size())
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void Messenger_save(uint8_t * data);
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//load the messenger from data of size length.
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int Messenger_load(uint8_t * data, uint32_t length);
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#endif
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