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/* tox.c
*
* The Tox public API.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox 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.
*
* Tox 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 Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "Messenger.h"
/*
* returns a FRIEND_ADDRESS_SIZE byte address to give to others.
* Format: [client_id (32 bytes)][nospam number (4 bytes)][checksum (2 bytes)]
*
*/
void tox_getaddress(void *tox, uint8_t *address)
{
Messenger *m = tox;
getaddress(m, address);
}
/*
* Add a friend.
* Set the data that will be sent along with friend request.
* address is the address of the friend (returned by getaddress of the friend you wish to add) it must be FRIEND_ADDRESS_SIZE bytes. TODO: add checksum.
* data is the data and length is the length.
*
* return the friend number if success.
* return FA_TOOLONG if message length is too long.
* return FAERR_NOMESSAGE if no message (message length must be >= 1 byte).
* return FAERR_OWNKEY if user's own key.
* return FAERR_ALREADYSENT if friend request already sent or already a friend.
* return FAERR_UNKNOWN for unknown error.
* return FAERR_BADCHECKSUM if bad checksum in address.
* return FAERR_SETNEWNOSPAM if the friend was already there but the nospam was different.
* (the nospam for that friend was set to the new one).
* return FAERR_NOMEM if increasing the friend list size fails.
*/
int tox_addfriend(void *tox, uint8_t *address, uint8_t *data, uint16_t length)
{
Messenger *m = tox;
return m_addfriend(m, address, data, length);
}
/* Add a friend without sending a friendrequest.
*
* return the friend number if success.
* return -1 if failure.
*/
int tox_addfriend_norequest(void *tox, uint8_t *client_id)
{
Messenger *m = tox;
return m_addfriend_norequest(m, client_id);
}
/* return the friend id associated to that client id.
* return -1 if no such friend.
*/
int tox_getfriend_id(void *tox, uint8_t *client_id)
{
Messenger *m = tox;
return getfriend_id(m, client_id);
}
/* Copies the public key associated to that friend id into client_id buffer.
* Make sure that client_id is of size CLIENT_ID_SIZE.
*
* return 0 if success.
* return -1 if failure.
*/
int tox_getclient_id(void *tox, int friend_id, uint8_t *client_id)
{
Messenger *m = tox;
return getclient_id(m, friend_id, client_id);
}
/* Remove a friend. */
int tox_delfriend(void *tox, int friendnumber)
{
Messenger *m = tox;
return m_delfriend(m, friendnumber);
}
/* Checks friend's connecting status.
*
* return 1 if friend is connected to us (Online).
* return 0 if friend is not connected to us (Offline).
* return -1 on failure.
*/
int tox_get_friend_connectionstatus(void *tox, int friendnumber)
{
Messenger *m = tox;
return m_get_friend_connectionstatus(m, friendnumber);
}
/* Checks if there exists a friend with given friendnumber.
*
* return 1 if friend exists.
* return 0 if friend doesn't exist.
*/
int tox_friend_exists(void *tox, int friendnumber)
{
Messenger *m = tox;
return m_friend_exists(m, friendnumber);
}
/* Send a text chat message to an online friend.
* return the message id if packet was successfully put into the send queue.
* return 0 if it was not.
*
* You will want to retain the return value, it will be passed to your read receipt callback
* if one is received.
* m_sendmessage_withid will send a message with the id of your choosing,
* however we can generate an id for you by calling plain m_sendmessage.
*/
uint32_t tox_sendmessage(void *tox, int friendnumber, uint8_t *message, uint32_t length)
{
Messenger *m = tox;
return m_sendmessage(m, friendnumber, message, length);
}
uint32_t tox_sendmessage_withid(void *tox, int friendnumber, uint32_t theid, uint8_t *message, uint32_t length)
{
Messenger *m = tox;
return m_sendmessage_withid(m, friendnumber, theid, message, length);
}
/* Send an action to an online friend.
* return 1 if packet was successfully put into the send queue.
* return 0 if it was not.
*/
int tox_sendaction(void *tox, int friendnumber, uint8_t *action, uint32_t length)
{
Messenger *m = tox;
return m_sendaction(m, friendnumber, action, length);
}
/* Set our nickname.
* name must be a string of maximum MAX_NAME_LENGTH length.
* length must be at least 1 byte.
* length is the length of name with the NULL terminator.
*
* return 0 if success.
* return -1 if failure.
*/
int tox_setname(void *tox, uint8_t *name, uint16_t length)
{
Messenger *m = tox;
return setname(m, name, length);
}
/* Get your nickname.
* m - The messanger context to use.
* name - Pointer to a string for the name.
* nlen - The length of the string buffer.
*
* return length of the name.
* return 0 on error.
*/
uint16_t tox_getselfname(void *tox, uint8_t *name, uint16_t nlen)
{
Messenger *m = tox;
return getself_name(m, name, nlen);
}
/* Get name of friendnumber and put it in name.
* name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
*
* return length of name (with the NULL terminator) if success.
* return -1 if failure.
*/
int tox_getname(void *tox, int friendnumber, uint8_t *name)
{
Messenger *m = tox;
return getname(m, friendnumber, name);
}
/* Set our user status;
* you are responsible for freeing status after.
*
* return 0 on success, -1 on failure.
*/
int tox_set_statusmessage(void *tox, uint8_t *status, uint16_t length)
{
Messenger *m = tox;
return m_set_statusmessage(m, status, length);
}
int tox_set_userstatus(void *tox, USERSTATUS status)
{
Messenger *m = tox;
return m_set_userstatus(m, status);
}
/* return the length of friendnumber's status message, including null.
* Pass it into malloc.
*/
int tox_get_statusmessage_size(void *tox, int friendnumber)
{
Messenger *m = tox;
return m_get_statusmessage_size(m, friendnumber);
}
/* Copy friendnumber's status message into buf, truncating if size is over maxlen.
* Get the size you need to allocate from m_get_statusmessage_size.
* The self variant will copy our own status message.
*/
int tox_copy_statusmessage(void *tox, int friendnumber, uint8_t *buf, uint32_t maxlen)
{
Messenger *m = tox;
return m_copy_statusmessage(m, friendnumber, buf, maxlen);
}
int tox_copy_self_statusmessage(void *tox, uint8_t *buf, uint32_t maxlen)
{
Messenger *m = tox;
return m_copy_self_statusmessage(m, buf, maxlen);
}
/* Return one of USERSTATUS values.
* Values unknown to your application should be represented as USERSTATUS_NONE.
* As above, the self variant will return our own USERSTATUS.
* If friendnumber is invalid, this shall return USERSTATUS_INVALID.
*/
USERSTATUS tox_get_userstatus(void *tox, int friendnumber)
{
Messenger *m = tox;
return m_get_userstatus(m, friendnumber);
}
USERSTATUS tox_get_selfuserstatus(void *tox)
{
Messenger *m = tox;
return m_get_self_userstatus(m);
}
/* Sets whether we send read receipts for friendnumber.
* This function is not lazy, and it will fail if yesno is not (0 or 1).
*/
void tox_set_sends_receipts(void *tox, int friendnumber, int yesno)
{
Messenger *m = tox;
m_set_sends_receipts(m, friendnumber, yesno);
}
/* Return the number of friends in the instance m.
* You should use this to determine how much memory to allocate
* for copy_friendlist. */
size_t tox_count_friendlist(void *tox)
{
Messenger *m = tox;
return count_friendlist(m);
}
/* Copy a list of valid friend IDs into the array out_list.
* If out_list is NULL, returns -1.
* Otherwise, returns the number of elements copied.
* If the array was too small, the contents
* of out_list will be truncated to list_size. */
size_t tox_copy_friendlist(void *tox, int *out_list, size_t list_size)
{
Messenger *m = tox;
return copy_friendlist(m, out_list, list_size);
}
/* Set the function that will be executed when a friend request is received.
* Function format is function(uint8_t * public_key, uint8_t * data, uint16_t length)
*/
void tox_callback_friendrequest(void *tox, void (*function)(uint8_t *, uint8_t *, uint16_t, void *), void *userdata)
{
Messenger *m = tox;
m_callback_friendrequest(m, function, userdata);
}
/* Set the function that will be executed when a message from a friend is received.
* Function format is: function(int friendnumber, uint8_t * message, uint32_t length)
*/
void tox_callback_friendmessage(void *tox, void (*function)(Messenger *tox, int, uint8_t *, uint16_t, void *),
void *userdata)
{
Messenger *m = tox;
m_callback_friendmessage(m, function, userdata);
}
/* Set the function that will be executed when an action from a friend is received.
* function format is: function(int friendnumber, uint8_t * action, uint32_t length)
*/
void tox_callback_action(void *tox, void (*function)(Messenger *tox, int, uint8_t *, uint16_t, void *), void *userdata)
{
Messenger *m = tox;
m_callback_action(m, function, userdata);
}
/* Set the callback for name changes.
* function(int friendnumber, uint8_t *newname, uint16_t length)
* You are not responsible for freeing newname.
*/
void tox_callback_namechange(void *tox, void (*function)(Messenger *tox, int, uint8_t *, uint16_t, void *),
void *userdata)
{
Messenger *m = tox;
m_callback_namechange(m, function, userdata);
}
/* Set the callback for status message changes.
* function(int friendnumber, uint8_t *newstatus, uint16_t length)
* You are not responsible for freeing newstatus.
*/
void tox_callback_statusmessage(void *tox, void (*function)(Messenger *tox, int, uint8_t *, uint16_t, void *),
void *userdata)
{
Messenger *m = tox;
m_callback_statusmessage(m, function, userdata);
}
/* Set the callback for status type changes.
* function(int friendnumber, USERSTATUS kind)
*/
void tox_callback_userstatus(void *tox, void (*function)(Messenger *tox, int, USERSTATUS, void *), void *userdata)
{
Messenger *m = tox;
m_callback_userstatus(m, function, userdata);
}
/* Set the callback for read receipts.
* function(int friendnumber, uint32_t receipt)
*
* If you are keeping a record of returns from m_sendmessage;
* receipt might be one of those values, meaning the message
* has been received on the other side.
* Since core doesn't track ids for you, receipt may not correspond to any message.
* in that case, you should discard it.
*/
void tox_callback_read_receipt(void *tox, void (*function)(Messenger *tox, int, uint32_t, void *), void *userdata)
{
Messenger *m = tox;
m_callback_read_receipt(m, function, userdata);
}
/* Set the callback for connection status changes.
* function(int friendnumber, uint8_t status)
*
* Status:
* 0 -- friend went offline after being previously online
* 1 -- friend went online
*
* NOTE: this callback is not called when adding friends, thus the "after
* being previously online" part. It's assumed that when adding friends,
* their connection status is offline.
*/
void tox_callback_connectionstatus(void *tox, void (*function)(Messenger *tox, int, uint8_t, void *), void *userdata)
{
Messenger *m = tox;
m_callback_connectionstatus(m, function, userdata);
}
/**********GROUP CHAT FUNCTIONS: WARNING WILL BREAK A LOT************/
/* Set the callback for group invites.
*
* Function(Tox *tox, int friendnumber, uint8_t *group_public_key, void *userdata)
*/
void tox_callback_group_invite(void *tox, void (*function)(Messenger *tox, int, uint8_t *, void *), void *userdata)
{
Messenger *m = tox;
m_callback_group_invite(m, function, userdata);
}
/* Set the callback for group messages.
*
* Function(Tox *tox, int groupnumber, int friendgroupnumber, uint8_t * message, uint16_t length, void *userdata)
*/
void tox_callback_group_message(void *tox, void (*function)(Messenger *tox, int, int, uint8_t *, uint16_t, void *),
void *userdata)
{
Messenger *m = tox;
m_callback_group_message(m, function, userdata);
}
/* Creates a new groupchat and puts it in the chats array.
*
* return group number on success.
* return -1 on failure.
*/
int tox_add_groupchat(void *tox)
{
Messenger *m = tox;
return add_groupchat(m);
}
/* Delete a groupchat from the chats array.
*
* return 0 on success.
* return -1 if failure.
*/
int tox_del_groupchat(void *tox, int groupnumber)
{
Messenger *m = tox;
return del_groupchat(m, groupnumber);
}
/* Copy the name of peernumber who is in groupnumber to name.
* name must be at least MAX_NICK_BYTES long.
*
* return length of name if success
* return -1 if failure
*/
int tox_group_peername(void *tox, int groupnumber, int peernumber, uint8_t *name)
{
Messenger *m = tox;
return m_group_peername(m, groupnumber, peernumber, name);
}
/* invite friendnumber to groupnumber
* return 0 on success
* return -1 on failure
*/
int tox_invite_friend(void *tox, int friendnumber, int groupnumber)
{
Messenger *m = tox;
return invite_friend(m, friendnumber, groupnumber);
}
/* Join a group (you need to have been invited first.)
*
* returns group number on success
* returns -1 on failure.
*/
int tox_join_groupchat(void *tox, int friendnumber, uint8_t *friend_group_public_key)
{
Messenger *m = tox;
return join_groupchat(m, friendnumber, friend_group_public_key);
}
/* send a group message
* return 0 on success
* return -1 on failure
*/
int tox_group_message_send(void *tox, int groupnumber, uint8_t *message, uint32_t length)
{
Messenger *m = tox;
return group_message_send(m, groupnumber, message, length);
}
/******************END OF GROUP CHAT FUNCTIONS************************/
/* Use these functions to bootstrap the client.
* Sends a get nodes request to the given node with ip port and public_key.
*/
void tox_bootstrap_from_ip(void *tox, IP_Port ip_port, uint8_t *public_key)
{
Messenger *m = tox;
DHT_bootstrap(m->dht, ip_port, public_key);
}
int tox_bootstrap_from_address(void *tox, const char *address,
uint8_t ipv6enabled, uint16_t port, uint8_t *public_key)
{
Messenger *m = tox;
return DHT_bootstrap_from_address(m->dht, address, ipv6enabled, port, public_key);
};
/* return 0 if we are not connected to the DHT.
* return 1 if we are.
*/
int tox_isconnected(void *tox)
{
Messenger *m = tox;
return DHT_isconnected(m->dht);
}
/* Run this at startup.
*
* return allocated instance of tox on success.
* return 0 if there are problems.
*/
void *tox_new(uint8_t ipv6enabled)
{
return initMessenger(ipv6enabled);
}
/* Run this before closing shop.
* Free all datastructures.
*/
void tox_kill(void *tox)
{
Messenger *m = tox;
cleanupMessenger(m);
}
/* The main loop that needs to be run at least 20 times per second. */
void tox_do(void *tox)
{
Messenger *m = tox;
doMessenger(m);
}
/* SAVING AND LOADING FUNCTIONS: */
/* return size of the messenger data (for saving). */
uint32_t tox_size(void *tox)
{
Messenger *m = tox;
return Messenger_size(m);
}
/* Save the messenger in data (must be allocated memory of size Messenger_size()). */
void tox_save(void *tox, uint8_t *data)
{
Messenger *m = tox;
Messenger_save(m, data);
}
/* Load the messenger from data of size length. */
int tox_load(void *tox, uint8_t *data, uint32_t length)
{
Messenger *m = tox;
return Messenger_load(m, data, length);
}
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