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#include <irc/irc_message.hpp>
#include <irc/irc_client.hpp>
#include <bridge/bridge.hpp>
#include <irc/irc_user.hpp>
#include <utils/make_unique.hpp>
#include <utils/split.hpp>
#include <iostream>
#include <stdexcept>
IrcClient::IrcClient(const std::string& hostname, const std::string& username, Bridge* bridge):
hostname(hostname),
username(username),
current_nick(username),
bridge(bridge),
welcomed(false)
{
std::cout << "IrcClient()" << std::endl;
}
IrcClient::~IrcClient()
{
std::cout << "~IrcClient()" << std::endl;
}
void IrcClient::start()
{
this->connect(this->hostname, "6667");
}
void IrcClient::on_connected()
{
this->send_nick_command(this->username);
this->send_user_command(this->username, this->username);
}
void IrcClient::on_connection_close()
{
std::cout << "Connection closed by remote server." << std::endl;
}
IrcChannel* IrcClient::get_channel(const std::string& name)
{
try
{
return this->channels.at(name).get();
}
catch (const std::out_of_range& exception)
{
this->channels.emplace(name, std::make_unique<IrcChannel>());
return this->channels.at(name).get();
}
}
std::string IrcClient::get_own_nick() const
{
return this->current_nick;
}
void IrcClient::parse_in_buffer()
{
while (true)
{
auto pos = this->in_buf.find("\r\n");
if (pos == std::string::npos)
break ;
IrcMessage message(this->in_buf.substr(0, pos));
this->in_buf = this->in_buf.substr(pos + 2, std::string::npos);
std::cout << message << std::endl;
// TODO map function and command name properly
if (message.command == "PING")
this->send_pong_command(message);
else if (message.command == "NOTICE" ||
message.command == "375" ||
message.command == "372")
this->forward_server_message(message);
else if (message.command == "JOIN")
this->on_self_channel_join(message);
else if (message.command == "PRIVMSG")
this->on_channel_message(message);
else if (message.command == "353")
this->set_and_forward_user_list(message);
else if (message.command == "332")
this->on_topic_received(message);
else if (message.command == "366")
this->on_channel_completely_joined(message);
else if (message.command == "001")
this->on_welcome_message(message);
}
}
void IrcClient::send_message(IrcMessage&& message)
{
std::string res;
if (!message.prefix.empty())
res += ":" + std::move(message.prefix) + " ";
res += std::move(message.command);
for (const std::string& arg: message.arguments)
{
if (arg.find(" ") != std::string::npos)
{
res += " :" + arg;
break;
}
res += " " + arg;
}
res += "\r\n";
std::cout << "=== IRC SENDING ===" << std::endl;
std::cout << res << std::endl;
this->send_data(std::move(res));
}
void IrcClient::send_user_command(const std::string& username, const std::string& realname)
{
this->send_message(IrcMessage("USER", {username, "ignored", "ignored", realname}));
}
void IrcClient::send_nick_command(const std::string& nick)
{
this->send_message(IrcMessage("NICK", {nick}));
}
void IrcClient::send_join_command(const std::string& chan_name)
{
if (this->welcomed == false)
{
this->channels_to_join.push_back(chan_name);
return ;
}
IrcChannel* channel = this->get_channel(chan_name);
if (channel->joined == false)
this->send_message(IrcMessage("JOIN", {chan_name}));
}
bool IrcClient::send_channel_message(const std::string& chan_name, const std::string& body)
{
IrcChannel* channel = this->get_channel(chan_name);
if (channel->joined == false)
{
std::cout << "Cannot send message to channel " << chan_name << ", it is not joined" << std::endl;
return false;
}
this->send_message(IrcMessage("PRIVMSG", {chan_name, body}));
return true;
}
void IrcClient::send_pong_command(const IrcMessage& message)
{
const std::string id = message.arguments[0];
this->send_message(IrcMessage("PONG", {id}));
}
void IrcClient::forward_server_message(const IrcMessage& message)
{
const std::string from = message.prefix;
const std::string body = message.arguments[1];
this->bridge->send_xmpp_message(this->hostname, from, body);
}
void IrcClient::set_and_forward_user_list(const IrcMessage& message)
{
const std::string chan_name = message.arguments[2];
IrcChannel* channel = this->get_channel(chan_name);
std::vector<std::string> nicks = utils::split(message.arguments[3], ' ');
for (const std::string& nick: nicks)
{
IrcUser* user = channel->add_user(nick);
if (user->nick != channel->get_self()->nick)
{
std::cout << "Adding user [" << nick << "] to chan " << chan_name << std::endl;
this->bridge->send_user_join(this->hostname, chan_name, user->nick);
}
}
}
void IrcClient::on_self_channel_join(const IrcMessage& message)
{
const std::string chan_name = message.arguments[0];
IrcChannel* channel = this->get_channel(chan_name);
channel->joined = true;
channel->set_self(message.prefix);
}
void IrcClient::on_channel_message(const IrcMessage& message)
{
const IrcUser user(message.prefix);
const std::string nick = user.nick;
Iid iid;
iid.chan = message.arguments[0];
iid.server = this->hostname;
const std::string body = message.arguments[1];
this->bridge->send_muc_message(iid, nick, body);
}
void IrcClient::on_topic_received(const IrcMessage& message)
{
const std::string chan_name = message.arguments[1];
IrcChannel* channel = this->get_channel(chan_name);
channel->topic = message.arguments[2];
}
void IrcClient::on_channel_completely_joined(const IrcMessage& message)
{
const std::string chan_name = message.arguments[1];
IrcChannel* channel = this->get_channel(chan_name);
this->bridge->send_self_join(this->hostname, chan_name, channel->get_self()->nick);
this->bridge->send_topic(this->hostname, chan_name, channel->topic);
}
void IrcClient::on_welcome_message(const IrcMessage& message)
{
this->current_nick = message.arguments[0];
this->welcomed = true;
for (const std::string& chan_name: this->channels_to_join)
this->send_join_command(chan_name);
this->channels_to_join.clear();
}
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