static int handle_packet_online(Group_Chats *g_c, int friendcon_id, uint8_t *data, uint16_t length)
{
if (length != ONLINE_PACKET_DATA_SIZE)
return -1;
int groupnumber = get_group_num(g_c, data + sizeof(uint16_t));
uint16_t other_groupnum;
memcpy(&other_groupnum, data, sizeof(uint16_t));
other_groupnum = ntohs(other_groupnum);
Group_c *g = get_group_c(g_c, groupnumber);
if (!g)
return -1;
int index = friend_in_close(g, friendcon_id);
if (index == -1)
return -1;
g->close[index].group_number = other_groupnum;
g->close[index].type = GROUPCHAT_CLOSE_ONLINE;
if (g->number_joined != -1 && g->number_joined != friendcon_id) {
int fr_close_index = friend_in_close(g, g->number_joined);
uint8_t real_pk[crypto_box_PUBLICKEYBYTES];
uint8_t dht_temp_pk[crypto_box_PUBLICKEYBYTES];
get_friendcon_public_keys(real_pk, dht_temp_pk, g_c->fr_c, g->number_joined);
g->number_joined = -1;
if (fr_close_index == -1)
return -1;
if (!g->close[fr_close_index].closest && pk_in_closest_peers(g, real_pk)) {
g->close[fr_close_index].closest = 1;
}
if (!g->close[fr_close_index].closest) {
g->close[fr_close_index].type = GROUPCHAT_CLOSE_NONE;
send_peer_kill(g_c, g->close[fr_close_index].number, g->close[fr_close_index].group_number);
kill_friend_connection(g_c->fr_c, g->close[fr_close_index].number);
}
}
return 0;
}
static int handle_packet(void *object, int friendcon_id, uint8_t *data, uint16_t length)
{
Group_Chats *g_c = object;
if (length < 1 + sizeof(uint16_t) + 1)
return -1;
if (data[0] == PACKET_ID_ONLINE_PACKET) {
return handle_packet_online(g_c, friendcon_id, data + 1, length - 1);
}
if (data[0] != PACKET_ID_DIRECT_GROUPCHAT && data[0] != PACKET_ID_MESSAGE_GROUPCHAT)
return -1;
uint16_t groupnumber;
memcpy(&groupnumber, data + 1, sizeof(uint16_t));
groupnumber = ntohs(groupnumber);
Group_c *g = get_group_c(g_c, groupnumber);
if (!g)
return -1;
int index = friend_in_close(g, friendcon_id);
if (index == -1)
return -1;
switch (data[0]) {
case PACKET_ID_DIRECT_GROUPCHAT: {
handle_direct_packet(g_c, groupnumber, data + 1 + sizeof(uint16_t), length - (1 + sizeof(uint16_t)), index);
break;
}
case PACKET_ID_MESSAGE_GROUPCHAT: {
handle_message_packet_group(g_c, groupnumber, data + 1 + sizeof(uint16_t), length - (1 + sizeof(uint16_t)), index);
break;
}
default: {
return 0;
}
}
return 0;
}
static int handle_packet_online(Group_Chats *g_c, int friendcon_id, uint8_t *data, uint16_t length)
{
if (length != ONLINE_PACKET_DATA_SIZE)
return -1;
int groupnumber = get_group_num(g_c, data + sizeof(uint16_t));
uint16_t other_groupnum;
memcpy(&other_groupnum, data, sizeof(uint16_t));
other_groupnum = ntohs(other_groupnum);
Group_c *g = get_group_c(g_c, groupnumber);
if (!g)
return -1;
int index = friend_in_close(g, friendcon_id);
if (index == -1)
return -1;
g->close[index].group_number = other_groupnum;
g->close[index].type = GROUPCHAT_CLOSE_ONLINE;
return 0;
}