icinga2/lib/remote/jsonrpc.cpp

163 lines
4.3 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "remote/jsonrpc.hpp"
#include "base/netstring.hpp"
#include "base/json.hpp"
#include "base/console.hpp"
#include "base/scriptglobal.hpp"
#include "base/convert.hpp"
#include "base/tlsstream.hpp"
#include <iostream>
#include <memory>
#include <utility>
#include <boost/asio/spawn.hpp>
using namespace icinga;
#ifdef I2_DEBUG
static bool GetDebugJsonRpcCached()
{
static int debugJsonRpc = -1;
if (debugJsonRpc != -1)
return debugJsonRpc;
debugJsonRpc = false;
Namespace::Ptr internal = ScriptGlobal::Get("Internal", &Empty);
if (!internal)
return false;
Value vdebug;
if (!internal->Get("DebugJsonRpc", &vdebug))
return false;
debugJsonRpc = Convert::ToLong(vdebug);
return debugJsonRpc;
}
#endif /* I2_DEBUG */
/**
* Sends a message to the connected peer and returns the bytes sent.
*
* @param message The message.
*
* @return The amount of bytes sent.
*/
size_t JsonRpc::SendMessage(const Stream::Ptr& stream, const Dictionary::Ptr& message)
{
String json = JsonEncode(message);
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << ">> " << json << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return NetString::WriteStringToStream(stream, json);
}
/**
* Sends a message to the connected peer and returns the bytes sent.
*
* @param message The message.
*
* @return The amount of bytes sent.
*/
size_t JsonRpc::SendMessage(const std::shared_ptr<AsioTlsStream>& stream, const Dictionary::Ptr& message)
{
String json = JsonEncode(message);
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << ">> " << json << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return NetString::WriteStringToStream(stream, json);
}
/**
* Sends a message to the connected peer and returns the bytes sent.
*
* @param message The message.
*
* @return The amount of bytes sent.
*/
size_t JsonRpc::SendMessage(const std::shared_ptr<AsioTlsStream>& stream, const Dictionary::Ptr& message, boost::asio::yield_context yc)
{
return JsonRpc::SendRawMessage(stream, JsonEncode(message), yc);
}
/**
* Sends a message to the connected peer and returns the bytes sent.
*
* @param message The message.
*
* @return The amount of bytes sent.
*/
size_t JsonRpc::SendRawMessage(const std::shared_ptr<AsioTlsStream>& stream, const String& json, boost::asio::yield_context yc)
{
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << ">> " << json << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return NetString::WriteStringToStream(stream, json, yc);
}
StreamReadStatus JsonRpc::ReadMessage(const Stream::Ptr& stream, String *message, StreamReadContext& src, bool may_wait, ssize_t maxMessageLength)
{
String jsonString;
StreamReadStatus srs = NetString::ReadStringFromStream(stream, &jsonString, src, may_wait, maxMessageLength);
if (srs != StatusNewItem)
return srs;
*message = jsonString;
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << "<< " << jsonString << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return StatusNewItem;
}
String JsonRpc::ReadMessage(const std::shared_ptr<AsioTlsStream>& stream, ssize_t maxMessageLength)
{
String jsonString = NetString::ReadStringFromStream(stream, maxMessageLength);
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << "<< " << jsonString << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return std::move(jsonString);
}
String JsonRpc::ReadMessage(const std::shared_ptr<AsioTlsStream>& stream, boost::asio::yield_context yc, ssize_t maxMessageLength)
{
String jsonString = NetString::ReadStringFromStream(stream, yc, maxMessageLength);
#ifdef I2_DEBUG
if (GetDebugJsonRpcCached())
std::cerr << ConsoleColorTag(Console_ForegroundBlue) << "<< " << jsonString << ConsoleColorTag(Console_Normal) << "\n";
#endif /* I2_DEBUG */
return std::move(jsonString);
}
Dictionary::Ptr JsonRpc::DecodeMessage(const String& message)
{
Value value = JsonDecode(message);
if (!value.IsObjectType<Dictionary>()) {
BOOST_THROW_EXCEPTION(std::invalid_argument("JSON-RPC"
" message must be a dictionary."));
}
return value;
}