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/*
*
* (C) 2003-2013 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*
*/
#include "uplink.h"
#include "logger.h"
#include "config.h"
#include "protocol.h"
#include "servers.h"
UplinkSocket *UplinkSock = NULL;
class ReconnectTimer : public Timer
{
public:
ReconnectTimer(int wait) : Timer(wait) { }
void Tick(time_t)
{
try
{
Uplink::Connect();
}
catch (const SocketException &ex)
{
Log(LOG_TERMINAL) << "Unable to connect to uplink #" << (Anope::CurrentUplink + 1) << " (" << Config->Uplinks[Anope::CurrentUplink].host << ":" << Config->Uplinks[Anope::CurrentUplink].port << "): " << ex.GetReason();
}
}
};
void Uplink::Connect()
{
if (static_cast<unsigned>(++Anope::CurrentUplink) >= Config->Uplinks.size())
Anope::CurrentUplink = 0;
Configuration::Uplink &u = Config->Uplinks[Anope::CurrentUplink];
new UplinkSocket();
if (!Config->GetBlock("serverinfo")->Get<const Anope::string &>("localhost").empty())
UplinkSock->Bind(Config->GetBlock("serverinfo")->Get<const Anope::string &>("localhost"));
FOREACH_MOD(I_OnPreServerConnect, OnPreServerConnect());
Anope::string ip = Anope::Resolve(u.host, u.ipv6 ? AF_INET6 : AF_INET);
Log(LOG_TERMINAL) << "Attempting to connect to uplink #" << (Anope::CurrentUplink + 1) << " " << u.host << " (" << ip << "), port " << u.port;
UplinkSock->Connect(ip, u.port);
}
UplinkSocket::UplinkSocket() : Socket(-1, Config->Uplinks[Anope::CurrentUplink].ipv6), ConnectionSocket(), BufferedSocket()
{
UplinkSock = this;
}
UplinkSocket::~UplinkSocket()
{
if (IRCD && Servers::GetUplink() && Servers::GetUplink()->IsSynced())
{
FOREACH_MOD(I_OnServerDisconnect, OnServerDisconnect());
for (user_map::const_iterator it = UserListByNick.begin(); it != UserListByNick.end(); ++it)
{
User *u = it->second;
if (u->server == Me)
{
/* Don't use quitmsg here, it may contain information you don't want people to see */
IRCD->SendQuit(u, "Shutting down");
BotInfo* bi = BotInfo::Find(u->nick);
if (bi != NULL)
bi->introduced = false;
}
}
IRCD->SendSquit(Me, Anope::QuitReason);
this->ProcessWrite(); // Write out the last bit
}
if (Me)
for (unsigned i = Me->GetLinks().size(); i > 0; --i)
if (!Me->GetLinks()[i - 1]->IsJuped())
Me->GetLinks()[i - 1]->Delete(Me->GetName() + " " + Me->GetLinks()[i - 1]->GetName());
UplinkSock = NULL;
Me->Unsync();
if (Anope::AtTerm())
{
if (static_cast<unsigned>(Anope::CurrentUplink + 1) == Config->Uplinks.size())
{
Anope::QuitReason = "Unable to connect to any uplink";
Anope::Quitting = true;
Anope::ReturnValue = -1;
}
else
{
new ReconnectTimer(1);
}
}
else if (!Anope::Quitting)
{
time_t retry = Config->GetBlock("options")->Get<time_t>("retrywait");
Log() << "Disconnected, retrying in " << retry << " seconds";
new ReconnectTimer(retry);
}
}
bool UplinkSocket::ProcessRead()
{
bool b = BufferedSocket::ProcessRead();
for (Anope::string buf; (buf = this->GetLine()).empty() == false;)
{
Anope::Process(buf);
User::QuitUsers();
}
return b;
}
void UplinkSocket::OnConnect()
{
Log(LOG_TERMINAL) << "Successfully connected to uplink #" << (Anope::CurrentUplink + 1) << " " << Config->Uplinks[Anope::CurrentUplink].host << ":" << Config->Uplinks[Anope::CurrentUplink].port;
IRCD->SendConnect();
FOREACH_MOD(I_OnServerConnect, OnServerConnect());
}
void UplinkSocket::OnError(const Anope::string &error)
{
Log(LOG_TERMINAL) << "Unable to connect to uplink #" << (Anope::CurrentUplink + 1) << " (" << Config->Uplinks[Anope::CurrentUplink].host << ":" << Config->Uplinks[Anope::CurrentUplink].port << ")" << (!error.empty() ? (": " + error) : "");
}
UplinkSocket::Message::Message() : server(NULL), user(NULL)
{
}
UplinkSocket::Message::Message(const Server *s) : server(s), user(NULL)
{
}
UplinkSocket::Message::Message(const User *u) : server(NULL), user(u)
{
if (!u)
server = Me;
}
UplinkSocket::Message::~Message()
{
Anope::string message_source = "";
if (this->server != NULL)
{
if (this->server != Me && !this->server->IsJuped())
{
Log(LOG_DEBUG) << "Attempted to send \"" << this->buffer.str() << "\" from " << this->server->GetName() << " who is not from me?";
return;
}
message_source = this->server->GetSID();
}
else if (this->user != NULL)
{
if (this->user->server != Me && !this->user->server->IsJuped())
{
Log(LOG_DEBUG) << "Attempted to send \"" << this->buffer.str() << "\" from " << this->user->nick << " who is not from me?";
return;
}
const BotInfo *bi = BotInfo::Find(this->user->nick);
if (bi != NULL && bi->introduced == false)
{
Log(LOG_DEBUG) << "Attempted to send \"" << this->buffer.str() << "\" from " << bi->nick << " when not introduced";
return;
}
message_source = this->user->GetUID();
}
if (!UplinkSock)
{
if (!message_source.empty())
Log(LOG_DEBUG) << "Attempted to send \"" << message_source << " " << this->buffer.str() << "\" with UplinkSock NULL";
else
Log(LOG_DEBUG) << "Attempted to send \"" << this->buffer.str() << "\" with UplinkSock NULL";
return;
}
if (!message_source.empty())
{
UplinkSock->Write(":" + message_source + " " + this->buffer.str());
Log(LOG_RAWIO) << "Sent: :" << message_source << " " << this->buffer.str();
}
else
{
UplinkSock->Write(this->buffer.str());
Log(LOG_RAWIO) << "Sent: " << this->buffer.str();
}
}
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