117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
/*
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* Copyright (C) 2017 Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
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* Author: Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "neocomm.h"
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#include "error.hpp"
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#include "globals.hpp"
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std::map<std::string, struct channel_info> channels;
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static std::mt19937_64 rand_dev { dht::crypto::random_device{}() };
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static std::uniform_int_distribution<dht::Value::Id> rand_id;
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static std::map<time_t, int> sent_messages;
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static std::string channel_list;
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int NeoComm_join_channel(const char *channel_name) {
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if(not node.isRunning())
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{
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add_error("NeoComm must be initialized.");
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return 0;
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}
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else if(channel_name[0] != '#')
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{
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add_error("Channel name must start with `#'.");
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return 0;
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}
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const std::string s_chan_name(channel_name);
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if(s_chan_name.empty())
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{
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add_error("Chan name is empty.");
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return 0;
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}
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// if it already exists then just exit
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if(channels.find(s_chan_name) not_eq channels.end())
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return 1;
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dht::InfoHash chan_hash(s_chan_name);
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{
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static constexpr dht::InfoHash INVALID_ID {};
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if(chan_hash == INVALID_ID)
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chan_hash = dht::InfoHash::get(s_chan_name);
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}
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channels[s_chan_name] = {
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/*.hash =*/ chan_hash,
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/*.token =*/ node.listen<dht::ImMessage>(chan_hash,
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[&](dht::ImMessage &&msg) {
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channels[s_chan_name].msgs.push(msg);
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return true;
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}),
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/*.msgs =*/ std::queue<dht::ImMessage>()
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};
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return 1;
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}
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int NeoComm_leave_channel(const char *channel_name) {
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if(not node.isRunning())
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{
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add_error("NeoComm must be initialized.");
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return 0;
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}
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else if(channel_name[0] != '#')
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{
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add_error("Channel name must start with `#'.");
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return 0;
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}
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const std::string s_chan_name(channel_name);
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if(channels.find(s_chan_name) == channels.end())
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{
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add_error("Channel does not exist.");
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return 0;
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}
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else if(s_chan_name.empty())
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{
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add_error("Chan name is empty.");
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return 0;
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}
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struct channel_info *channel = &channels[s_chan_name];
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channel->token.wait();
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node.cancelListen(channel->hash, channel->token.get());
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channels.erase(s_chan_name);
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return 1;
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}
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const char *NeoComm_get_channel_list() {
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channel_list.clear();
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for(auto &i : channels)
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channel_list += i.first + " ";
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return channel_list.c_str();
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}
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unsigned int NeoComm_get_num_channels() {
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return channels.size();
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}
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