icinga2/icinga/jsonrpcendpoint.cpp

153 lines
4.7 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-icinga.h"
using namespace icinga;
string JsonRpcEndpoint::GetIdentity(void) const
{
return m_Identity;
}
string JsonRpcEndpoint::GetAddress(void) const
{
if (!m_Client)
return "<disconnected endpoint>";
return m_Client->GetPeerAddress();
}
JsonRpcClient::Ptr JsonRpcEndpoint::GetClient(void)
{
return m_Client;
}
void JsonRpcEndpoint::Connect(string node, string service, shared_ptr<SSL_CTX> sslContext)
{
JsonRpcClient::Ptr client = boost::make_shared<JsonRpcClient>(RoleOutbound, sslContext);
SetClient(client);
client->Connect(node, service);
client->Start();
}
void JsonRpcEndpoint::SetClient(JsonRpcClient::Ptr client)
{
m_Client = client;
client->OnNewMessage.connect(boost::bind(&JsonRpcEndpoint::NewMessageHandler, this, _2));
client->OnClosed.connect(boost::bind(&JsonRpcEndpoint::ClientClosedHandler, this));
client->OnError.connect(boost::bind(&JsonRpcEndpoint::ClientErrorHandler, this, _2));
client->OnCertificateValidated.connect(boost::bind(&JsonRpcEndpoint::CertificateValidatedHandler, this));
}
bool JsonRpcEndpoint::IsLocal(void) const
{
return false;
}
bool JsonRpcEndpoint::IsConnected(void) const
{
return (bool)m_Client;
}
void JsonRpcEndpoint::ProcessRequest(Endpoint::Ptr sender, const RequestMessage& message)
{
if (IsConnected()) {
m_Client->SendMessage(message);
} else {
// TODO: persist the event
}
}
void JsonRpcEndpoint::ProcessResponse(Endpoint::Ptr sender, const ResponseMessage& message)
{
m_Client->SendMessage(message);
}
void JsonRpcEndpoint::NewMessageHandler(const MessagePart& message)
{
Endpoint::Ptr sender = GetSelf();
if (ResponseMessage::IsResponseMessage(message)) {
/* rather than routing the message to the right virtual
* endpoint we just process it here right away. */
GetEndpointManager()->ProcessResponseMessage(sender, message);
return;
}
RequestMessage request = message;
string method;
if (!request.GetMethod(&method))
return;
if (!HasPublication(method))
return;
string id;
if (request.GetID(&id))
GetEndpointManager()->SendAnycastMessage(sender, request);
else
GetEndpointManager()->SendMulticastMessage(sender, request);
}
void JsonRpcEndpoint::ClientClosedHandler(void)
{
Logger::Write(LogWarning, "jsonrpc", "Lost connection to endpoint: identity=" + GetIdentity());
// TODO: _only_ clear non-persistent publications/subscriptions
// unregister ourselves if no persistent publications/subscriptions are left (use a timer for that, once we have a TTL property for the topics)
ClearSubscriptions();
ClearPublications();
// remove the endpoint if there are no more subscriptions */
if (BeginSubscriptions() == EndSubscriptions()) {
Hold();
GetEndpointManager()->UnregisterEndpoint(GetSelf());
}
m_Client.reset();
// TODO: persist events, etc., for now we just disable the endpoint
}
void JsonRpcEndpoint::ClientErrorHandler(const exception& ex)
{
stringstream message;
message << "Error occured for JSON-RPC socket: Message=" << ex.what();
Logger::Write(LogWarning, "jsonrpc", message.str());
}
void JsonRpcEndpoint::CertificateValidatedHandler(void)
{
string identity = Utility::GetCertificateCN(m_Client->GetPeerCertificate());
if (GetIdentity().empty() && !identity.empty()) {
m_Identity = identity;
GetEndpointManager()->RegisterEndpoint(GetSelf());
}
}
void JsonRpcEndpoint::Stop(void)
{
if (m_Client)
m_Client->Close();
}