Move CListener and CRealListener into their own files

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1924 726aef4b-f618-498e-8847-2d620e286838

Listener.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2004-2010  See the AUTHORS file for details.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "Listener.h"
+
+bool CListener::Listen() {
+	if (!m_uPort || m_pListener) {
+		return false;
+	}
+
+	m_pListener = new CRealListener(this);
+
+	bool bSSL = false;
+#ifdef HAVE_LIBSSL
+	if (IsSSL()) {
+		bSSL = true;
+		m_pListener->SetPemLocation(CZNC::Get().GetPemLocation());
+	}
+#endif
+
+	return CZNC::Get().GetManager().ListenHost(m_uPort, "_LISTENER", m_sBindHost, bSSL, SOMAXCONN,
+			m_pListener, 0, m_eAddr);
+}
+
+CRealListener::~CRealListener() {
+	m_pParent->SetRealListener(NULL);
+}
+
+bool CRealListener::ConnectionFrom(const CString& sHost, unsigned short uPort) {
+	bool bHostAllowed = CZNC::Get().IsHostAllowed(sHost);
+	DEBUG(GetSockName() << " == ConnectionFrom(" << sHost << ", " << uPort << ") [" << (bHostAllowed ? "Allowed" : "Not allowed") << "]");
+	return bHostAllowed;
+}
+
+Csock* CRealListener::GetSockObj(const CString& sHost, unsigned short uPort) {
+	CClient *pClient = new CClient(sHost, uPort);
+	if (CZNC::Get().AllowConnectionFrom(sHost)) {
+		CZNC::Get().GetModules().OnClientConnect(pClient, sHost, uPort);
+	} else {
+		pClient->RefuseLogin("Too many anonymous connections from your IP");
+		CZNC::Get().GetModules().OnFailedLogin("", sHost);
+	}
+	return pClient;
+}
+
+void CRealListener::SockError(int iErrno) {
+	DEBUG(GetSockName() << " == SockError(" << strerror(iErrno) << ")");
+	if (iErrno == EMFILE) {
+		// We have too many open fds, let's close this listening port to be able to continue
+		// to work, next rehash will (try to) reopen it.
+		Close();
+	}
+}