icinga2/lib/remoting/jsonrpcclient.cpp

93 lines
3.2 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-remoting.h"
using namespace icinga;
/**
* Constructor for the JsonRpcClient class.
*
* @param role The role of the underlying TCP client.
* @param sslContext SSL context for the TLS connection.
*/
JsonRpcClient::JsonRpcClient(TcpClientRole role, shared_ptr<SSL_CTX> sslContext)
: TlsClient(role, sslContext)
{
OnDataAvailable.connect(boost::bind(&JsonRpcClient::DataAvailableHandler,
this));
}
/**
* Sends a message to the connected peer.
*
* @param message The message.
*/
void JsonRpcClient::SendMessage(const MessagePart& message)
{
Value value = message.GetDictionary();
String json = value.Serialize();
//std::cerr << ">> " << json << std::endl;
NetString::WriteStringToIOQueue(this, json);
}
/**
* Processes inbound data.
*/
void JsonRpcClient::DataAvailableHandler(void)
{
String jsonString;
while (NetString::ReadStringFromIOQueue(this, &jsonString)) {
//std::cerr << "<< " << jsonString << std::endl;
try {
Value value = Value::Deserialize(jsonString);
if (!value.IsObjectType<Dictionary>()) {
throw_exception(invalid_argument("JSON-RPC"
" message must be a dictionary."));
}
OnNewMessage(GetSelf(), MessagePart(value));
} catch (const exception& ex) {
Logger::Write(LogCritical, "remoting", "Exception"
" while processing message from JSON-RPC client: " +
String(ex.what()));
}
}
}
/**
* Factory function for JSON-RPC clients.
*
* @param fd The file descriptor.
* @param role The role of the underlying TCP client.
* @param sslContext SSL context for the TLS connection.
* @returns A new JSON-RPC client.
*/
JsonRpcClient::Ptr icinga::JsonRpcClientFactory(SOCKET fd, TcpClientRole role,
shared_ptr<SSL_CTX> sslContext)
{
JsonRpcClient::Ptr client = boost::make_shared<JsonRpcClient>(role,
sslContext);
client->SetFD(fd);
return client;
}