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hyperion.ng/libsrc/jsonserver/JsonClientConnection.cpp

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// system includes
#include <stdexcept>
#include <cassert>
// stl includes
#include <iostream>
#include <sstream>
#include <iterator>
// Qt includes
#include <QResource>
#include <QDateTime>
#include <QCryptographicHash>
#include <QHostInfo>
// hyperion util includes
#include <hyperion/ImageProcessorFactory.h>
#include <hyperion/ImageProcessor.h>
#include <hyperion/MessageForwarder.h>
#include <hyperion/ColorTransform.h>
#include <hyperion/ColorCorrection.h>
#include <hyperion/ColorAdjustment.h>
#include <utils/ColorRgb.h>
// project includes
#include "JsonClientConnection.h"
JsonClientConnection::JsonClientConnection(QTcpSocket *socket, Hyperion * hyperion) :
QObject(),
_socket(socket),
_imageProcessor(ImageProcessorFactory::getInstance().newImageProcessor()),
_hyperion(hyperion),
_receiveBuffer(),
_webSocketHandshakeDone(false)
{
// connect internal signals and slots
connect(_socket, SIGNAL(disconnected()), this, SLOT(socketClosed()));
connect(_socket, SIGNAL(readyRead()), this, SLOT(readData()));
}
JsonClientConnection::~JsonClientConnection()
{
delete _socket;
}
void JsonClientConnection::readData()
{
_receiveBuffer += _socket->readAll();
if (_webSocketHandshakeDone)
{
// websocket mode, data frame
handleWebSocketFrame();
} else
{
// might be a handshake request or raw socket data
if(_receiveBuffer.contains("Upgrade: websocket"))
{
doWebSocketHandshake();
} else
{
// raw socket data, handling as usual
int bytes = _receiveBuffer.indexOf('\n') + 1;
while(bytes > 0)
{
// create message string
std::string message(_receiveBuffer.data(), bytes);
// remove message data from buffer
_receiveBuffer = _receiveBuffer.mid(bytes);
// handle message
handleMessage(message);
// try too look up '\n' again
bytes = _receiveBuffer.indexOf('\n') + 1;
}
}
}
}
void JsonClientConnection::handleWebSocketFrame()
{
if ((_receiveBuffer.at(0) & 0x80) == 0x80)
{
// final bit found, frame complete
quint8 * maskKey = NULL;
quint8 opCode = _receiveBuffer.at(0) & 0x0F;
bool isMasked = (_receiveBuffer.at(1) & 0x80) == 0x80;
quint64 payloadLength = _receiveBuffer.at(1) & 0x7F;
quint32 index = 2;
switch (payloadLength)
{
case 126:
payloadLength = ((_receiveBuffer.at(2) << 8) & 0xFF00) | (_receiveBuffer.at(3) & 0xFF);
index += 2;
break;
case 127:
payloadLength = 0;
for (uint i=0; i < 8; i++) {
payloadLength |= ((quint64)(_receiveBuffer.at(index+i) & 0xFF)) << (8*(7-i));
}
index += 8;
break;
default:
break;
}
if (isMasked)
{
// if the data is masked we need to get the key for unmasking
maskKey = new quint8[4];
for (uint i=0; i < 4; i++)
{
maskKey[i] = _receiveBuffer.at(index + i);
}
index += 4;
}
// check the type of data frame
switch (opCode)
{
case 0x01:
{
// frame contains text, extract it
QByteArray result = _receiveBuffer.mid(index, payloadLength);
_receiveBuffer.clear();
// unmask data if necessary
if (isMasked)
{
for (uint i=0; i < payloadLength; i++)
{
result[i] = (result[i] ^ maskKey[i % 4]);
}
if (maskKey != NULL)
{
delete[] maskKey;
maskKey = NULL;
}
}
handleMessage(QString(result).toStdString());
}
break;
case 0x08:
{
// close request, confirm
quint8 close[] = {0x88, 0};
_socket->write((const char*)close, 2);
_socket->flush();
_socket->close();
}
break;
case 0x09:
{
// ping received, send pong
quint8 pong[] = {0x0A, 0};
_socket->write((const char*)pong, 2);
_socket->flush();
}
break;
}
} else
{
std::cout << "JSONCLIENT INFO: Someone is sending very big messages over several frames... it's not supported yet" << std::endl;
quint8 close[] = {0x88, 0};
_socket->write((const char*)close, 2);
_socket->flush();
_socket->close();
}
}
void JsonClientConnection::doWebSocketHandshake()
{
// http header, might not be a very reliable check...
std::cout << "Websocket handshake" << std::endl;
// get the key to prepare an answer
int start = _receiveBuffer.indexOf("Sec-WebSocket-Key") + 19;
std::string value(_receiveBuffer.mid(start, _receiveBuffer.indexOf("\r\n", start) - start).data());
_receiveBuffer.clear();
// must be always appended
value += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
// generate sha1 hash
QByteArray hash = QCryptographicHash::hash(value.c_str(), QCryptographicHash::Sha1);
// prepare an answer
std::ostringstream h;
h << "HTTP/1.1 101 Switching Protocols\r\n" <<
"Upgrade: websocket\r\n" <<
"Connection: Upgrade\r\n" <<
"Sec-WebSocket-Accept: " << QString(hash.toBase64()).toStdString() << "\r\n\r\n";
_socket->write(h.str().c_str());
_socket->flush();
// we are in WebSocket mode, data frames should follow next
_webSocketHandshakeDone = true;
}
void JsonClientConnection::socketClosed()
{
_webSocketHandshakeDone = false;
emit connectionClosed(this);
}
void JsonClientConnection::handleMessage(const std::string &messageString)
{
Json::Reader reader;
Json::Value message;
if (!reader.parse(messageString, message, false))
{
sendErrorReply("Error while parsing json: " + reader.getFormattedErrorMessages());
return;
}
// check basic message
std::string errors;
if (!checkJson(message, ":schema", errors))
{
sendErrorReply("Error while validating json: " + errors);
return;
}
// check specific message
const std::string command = message["command"].asString();
if (!checkJson(message, QString(":schema-%1").arg(QString::fromStdString(command)), errors))
{
sendErrorReply("Error while validating json: " + errors);
return;
}
// switch over all possible commands and handle them
if (command == "color")
handleColorCommand(message);
else if (command == "image")
handleImageCommand(message);
else if (command == "effect")
handleEffectCommand(message);
else if (command == "serverinfo")
handleServerInfoCommand(message);
else if (command == "clear")
handleClearCommand(message);
else if (command == "clearall")
handleClearallCommand(message);
else if (command == "transform")
handleTransformCommand(message);
else if (command == "correction")
handleCorrectionCommand(message);
else if (command == "temperature")
handleTemperatureCommand(message);
else if (command == "adjustment")
handleAdjustmentCommand(message);
else
handleNotImplemented();
}
void JsonClientConnection::forwardJsonMessage(const Json::Value & message)
{
QTcpSocket client;
QList<MessageForwarder::JsonSlaveAddress> list = _hyperion->getForwarder()->getJsonSlaves();
for ( int i=0; i<list.size(); i++ )
{
client.connectToHost(list.at(i).addr, list.at(i).port);
if ( client.waitForConnected(500) )
{
sendMessage(message,&client);
client.close();
}
}
}
void JsonClientConnection::handleColorCommand(const Json::Value &message)
{
forwardJsonMessage(message);
// extract parameters
int priority = message["priority"].asInt();
int duration = message.get("duration", -1).asInt();
std::vector<ColorRgb> colorData(_hyperion->getLedCount());
const Json::Value & jsonColor = message["color"];
Json::UInt i = 0;
for (; i < jsonColor.size()/3 && i < _hyperion->getLedCount(); ++i)
{
colorData[i].red = uint8_t(message["color"][3u*i].asInt());
colorData[i].green = uint8_t(message["color"][3u*i+1u].asInt());
colorData[i].blue = uint8_t(message["color"][3u*i+2u].asInt());
}
// copy full blocks of led colors
unsigned size = i;
while (i + size < _hyperion->getLedCount())
{
memcpy(&(colorData[i]), colorData.data(), size * sizeof(ColorRgb));
i += size;
}
// copy remaining block of led colors
if (i < _hyperion->getLedCount())
{
memcpy(&(colorData[i]), colorData.data(), (_hyperion->getLedCount()-i) * sizeof(ColorRgb));
}
// set output
_hyperion->setColors(priority, colorData, duration);
// send reply
sendSuccessReply();
}
void JsonClientConnection::handleImageCommand(const Json::Value &message)
{
forwardJsonMessage(message);
// extract parameters
int priority = message["priority"].asInt();
int duration = message.get("duration", -1).asInt();
int width = message["imagewidth"].asInt();
int height = message["imageheight"].asInt();
QByteArray data = QByteArray::fromBase64(QByteArray(message["imagedata"].asCString()));
// check consistency of the size of the received data
if (data.size() != width*height*3)
{
sendErrorReply("Size of image data does not match with the width and height");
return;
}
// set width and height of the image processor
_imageProcessor->setSize(width, height);
// create ImageRgb
Image<ColorRgb> image(width, height);
memcpy(image.memptr(), data.data(), data.size());
// process the image
std::vector<ColorRgb> ledColors = _imageProcessor->process(image);
_hyperion->setColors(priority, ledColors, duration);
// send reply
sendSuccessReply();
}
void JsonClientConnection::handleEffectCommand(const Json::Value &message)
{
forwardJsonMessage(message);
// extract parameters
int priority = message["priority"].asInt();
int duration = message.get("duration", -1).asInt();
const Json::Value & effect = message["effect"];
const std::string & effectName = effect["name"].asString();
// set output
if (effect.isMember("args"))
{
_hyperion->setEffect(effectName, effect["args"], priority, duration);
}
else
{
_hyperion->setEffect(effectName, priority, duration);
}
// send reply
sendSuccessReply();
}
void JsonClientConnection::handleServerInfoCommand(const Json::Value &)
{
// create result
Json::Value result;
result["success"] = true;
Json::Value & info = result["info"];
// add host name for remote clients
info["hostname"] = QHostInfo::localHostName().toStdString();
// collect priority information
Json::Value & priorities = info["priorities"] = Json::Value(Json::arrayValue);
uint64_t now = QDateTime::currentMSecsSinceEpoch();
QList<int> activePriorities = _hyperion->getActivePriorities();
foreach (int priority, activePriorities) {
const Hyperion::InputInfo & priorityInfo = _hyperion->getPriorityInfo(priority);
Json::Value & item = priorities[priorities.size()];
item["priority"] = priority;
if (priorityInfo.timeoutTime_ms != -1)
{
item["duration_ms"] = Json::Value::UInt(priorityInfo.timeoutTime_ms - now);
}
}
// collect correction information
Json::Value & correctionArray = info["correction"];
for (const std::string& correctionId : _hyperion->getCorrectionIds())
{
const ColorCorrection * colorCorrection = _hyperion->getCorrection(correctionId);
if (colorCorrection == nullptr)
{
std::cerr << "JSONCLIENT ERROR: Incorrect color correction id: " << correctionId << std::endl;
continue;
}
Json::Value & correction = correctionArray.append(Json::Value());
correction["id"] = correctionId;
Json::Value & corrValues = correction["correctionValues"];
corrValues.append(colorCorrection->_rgbCorrection.getcorrectionR());
corrValues.append(colorCorrection->_rgbCorrection.getcorrectionG());
corrValues.append(colorCorrection->_rgbCorrection.getcorrectionB());
}
// collect temperature correction information
Json::Value & temperatureArray = info["temperature"];
for (const std::string& tempId : _hyperion->getTemperatureIds())
{
const ColorCorrection * colorTemp = _hyperion->getTemperature(tempId);
if (colorTemp == nullptr)
{
std::cerr << "JSONCLIENT ERROR: Incorrect color temperature correction id: " << tempId << std::endl;
continue;
}
Json::Value & temperature = temperatureArray.append(Json::Value());
temperature["id"] = tempId;
Json::Value & tempValues = temperature["correctionValues"];
tempValues.append(colorTemp->_rgbCorrection.getcorrectionR());
tempValues.append(colorTemp->_rgbCorrection.getcorrectionG());
tempValues.append(colorTemp->_rgbCorrection.getcorrectionB());
}
// collect transform information
Json::Value & transformArray = info["transform"];
for (const std::string& transformId : _hyperion->getTransformIds())
{
const ColorTransform * colorTransform = _hyperion->getTransform(transformId);
if (colorTransform == nullptr)
{
std::cerr << "JSONCLIENT ERROR: Incorrect color transform id: " << transformId << std::endl;
continue;
}
Json::Value & transform = transformArray.append(Json::Value());
transform["id"] = transformId;
transform["saturationGain"] = colorTransform->_hsvTransform.getSaturationGain();
transform["valueGain"] = colorTransform->_hsvTransform.getValueGain();
transform["saturationLGain"] = colorTransform->_hslTransform.getSaturationGain();
transform["luminanceGain"] = colorTransform->_hslTransform.getLuminanceGain();
Json::Value & threshold = transform["threshold"];
threshold.append(colorTransform->_rgbRedTransform.getThreshold());
threshold.append(colorTransform->_rgbGreenTransform.getThreshold());
threshold.append(colorTransform->_rgbBlueTransform.getThreshold());
Json::Value & gamma = transform["gamma"];
gamma.append(colorTransform->_rgbRedTransform.getGamma());
gamma.append(colorTransform->_rgbGreenTransform.getGamma());
gamma.append(colorTransform->_rgbBlueTransform.getGamma());
Json::Value & blacklevel = transform["blacklevel"];
blacklevel.append(colorTransform->_rgbRedTransform.getBlacklevel());
blacklevel.append(colorTransform->_rgbGreenTransform.getBlacklevel());
blacklevel.append(colorTransform->_rgbBlueTransform.getBlacklevel());
Json::Value & whitelevel = transform["whitelevel"];
whitelevel.append(colorTransform->_rgbRedTransform.getWhitelevel());
whitelevel.append(colorTransform->_rgbGreenTransform.getWhitelevel());
whitelevel.append(colorTransform->_rgbBlueTransform.getWhitelevel());
}
// collect adjustment information
Json::Value & adjustmentArray = info["adjustment"];
for (const std::string& adjustmentId : _hyperion->getAdjustmentIds())
{
const ColorAdjustment * colorAdjustment = _hyperion->getAdjustment(adjustmentId);
if (colorAdjustment == nullptr)
{
std::cerr << "JSONCLIENT ERROR: Incorrect color adjustment id: " << adjustmentId << std::endl;
continue;
}
Json::Value & adjustment = adjustmentArray.append(Json::Value());
adjustment["id"] = adjustmentId;
Json::Value & redAdjust = adjustment["redAdjust"];
redAdjust.append(colorAdjustment->_rgbRedAdjustment.getadjustmentR());
redAdjust.append(colorAdjustment->_rgbRedAdjustment.getadjustmentG());
redAdjust.append(colorAdjustment->_rgbRedAdjustment.getadjustmentB());
Json::Value & greenAdjust = adjustment["greenAdjust"];
greenAdjust.append(colorAdjustment->_rgbGreenAdjustment.getadjustmentR());
greenAdjust.append(colorAdjustment->_rgbGreenAdjustment.getadjustmentG());
greenAdjust.append(colorAdjustment->_rgbGreenAdjustment.getadjustmentB());
Json::Value & blueAdjust = adjustment["blueAdjust"];
blueAdjust.append(colorAdjustment->_rgbBlueAdjustment.getadjustmentR());
blueAdjust.append(colorAdjustment->_rgbBlueAdjustment.getadjustmentG());
blueAdjust.append(colorAdjustment->_rgbBlueAdjustment.getadjustmentB());
}
// collect effect info
Json::Value & effects = info["effects"] = Json::Value(Json::arrayValue);
const std::list<EffectDefinition> & effectsDefinitions = _hyperion->getEffects();
for (const EffectDefinition & effectDefinition : effectsDefinitions)
{
Json::Value effect;
effect["name"] = effectDefinition.name;
effect["script"] = effectDefinition.script;
effect["args"] = effectDefinition.args;
effects.append(effect);
}
// send the result
sendMessage(result);
}
void JsonClientConnection::handleClearCommand(const Json::Value &message)
{
forwardJsonMessage(message);
// extract parameters
int priority = message["priority"].asInt();
// clear priority
_hyperion->clear(priority);
// send reply
sendSuccessReply();
}
void JsonClientConnection::handleClearallCommand(const Json::Value & message)
{
forwardJsonMessage(message);
// clear priority
_hyperion->clearall();
// send reply
sendSuccessReply();
}
void JsonClientConnection::handleTransformCommand(const Json::Value &message)
{
const Json::Value & transform = message["transform"];
const std::string transformId = transform.get("id", _hyperion->getTransformIds().front()).asString();
ColorTransform * colorTransform = _hyperion->getTransform(transformId);
if (colorTransform == nullptr)
{
//sendErrorReply(std::string("Incorrect transform identifier: ") + transformId);
return;
}
if (transform.isMember("saturationGain"))
{
colorTransform->_hsvTransform.setSaturationGain(transform["saturationGain"].asDouble());
}
if (transform.isMember("valueGain"))
{
colorTransform->_hsvTransform.setValueGain(transform["valueGain"].asDouble());
}
if (transform.isMember("saturationLGain"))
{
colorTransform->_hslTransform.setSaturationGain(transform["saturationLGain"].asDouble());
}
if (transform.isMember("luminanceGain"))
{
colorTransform->_hslTransform.setLuminanceGain(transform["luminanceGain"].asDouble());
}
if (transform.isMember("threshold"))
{
const Json::Value & values = transform["threshold"];
colorTransform->_rgbRedTransform .setThreshold(values[0u].asDouble());
colorTransform->_rgbGreenTransform.setThreshold(values[1u].asDouble());
colorTransform->_rgbBlueTransform .setThreshold(values[2u].asDouble());
}
if (transform.isMember("gamma"))
{
const Json::Value & values = transform["gamma"];
colorTransform->_rgbRedTransform .setGamma(values[0u].asDouble());
colorTransform->_rgbGreenTransform.setGamma(values[1u].asDouble());
colorTransform->_rgbBlueTransform .setGamma(values[2u].asDouble());
}
if (transform.isMember("blacklevel"))
{
const Json::Value & values = transform["blacklevel"];
colorTransform->_rgbRedTransform .setBlacklevel(values[0u].asDouble());
colorTransform->_rgbGreenTransform.setBlacklevel(values[1u].asDouble());
colorTransform->_rgbBlueTransform .setBlacklevel(values[2u].asDouble());
}
if (transform.isMember("whitelevel"))
{
const Json::Value & values = transform["whitelevel"];
colorTransform->_rgbRedTransform .setWhitelevel(values[0u].asDouble());
colorTransform->_rgbGreenTransform.setWhitelevel(values[1u].asDouble());
colorTransform->_rgbBlueTransform .setWhitelevel(values[2u].asDouble());
}
// commit the changes
_hyperion->transformsUpdated();
sendSuccessReply();
}
void JsonClientConnection::handleCorrectionCommand(const Json::Value &message)
{
const Json::Value & correction = message["correction"];
const std::string correctionId = correction.get("id", _hyperion->getCorrectionIds().front()).asString();
ColorCorrection * colorCorrection = _hyperion->getCorrection(correctionId);
if (colorCorrection == nullptr)
{
//sendErrorReply(std::string("Incorrect correction identifier: ") + correctionId);
return;
}
if (correction.isMember("correctionValues"))
{
const Json::Value & values = correction["correctionValues"];
colorCorrection->_rgbCorrection.setcorrectionR(values[0u].asInt());
colorCorrection->_rgbCorrection.setcorrectionG(values[1u].asInt());
colorCorrection->_rgbCorrection.setcorrectionB(values[2u].asInt());
}
// commit the changes
_hyperion->correctionsUpdated();
sendSuccessReply();
}
void JsonClientConnection::handleTemperatureCommand(const Json::Value &message)
{
const Json::Value & temperature = message["temperature"];
const std::string tempId = temperature.get("id", _hyperion->getTemperatureIds().front()).asString();
ColorCorrection * colorTemperature = _hyperion->getTemperature(tempId);
if (colorTemperature == nullptr)
{
//sendErrorReply(std::string("Incorrect temperature identifier: ") + tempId);
return;
}
if (temperature.isMember("correctionValues"))
{
const Json::Value & values = temperature["correctionValues"];
colorTemperature->_rgbCorrection.setcorrectionR(values[0u].asInt());
colorTemperature->_rgbCorrection.setcorrectionG(values[1u].asInt());
colorTemperature->_rgbCorrection.setcorrectionB(values[2u].asInt());
}
// commit the changes
_hyperion->temperaturesUpdated();
sendSuccessReply();
}
void JsonClientConnection::handleAdjustmentCommand(const Json::Value &message)
{
const Json::Value & adjustment = message["adjustment"];
const std::string adjustmentId = adjustment.get("id", _hyperion->getAdjustmentIds().front()).asString();
ColorAdjustment * colorAdjustment = _hyperion->getAdjustment(adjustmentId);
if (colorAdjustment == nullptr)
{
//sendErrorReply(std::string("Incorrect transform identifier: ") + transformId);
return;
}
if (adjustment.isMember("redAdjust"))
{
const Json::Value & values = adjustment["redAdjust"];
colorAdjustment->_rgbRedAdjustment.setadjustmentR(values[0u].asInt());
colorAdjustment->_rgbRedAdjustment.setadjustmentG(values[1u].asInt());
colorAdjustment->_rgbRedAdjustment.setadjustmentB(values[2u].asInt());
}
if (adjustment.isMember("greenAdjust"))
{
const Json::Value & values = adjustment["greenAdjust"];
colorAdjustment->_rgbGreenAdjustment.setadjustmentR(values[0u].asInt());
colorAdjustment->_rgbGreenAdjustment.setadjustmentG(values[1u].asInt());
colorAdjustment->_rgbGreenAdjustment.setadjustmentB(values[2u].asInt());
}
if (adjustment.isMember("blueAdjust"))
{
const Json::Value & values = adjustment["blueAdjust"];
colorAdjustment->_rgbBlueAdjustment.setadjustmentR(values[0u].asInt());
colorAdjustment->_rgbBlueAdjustment.setadjustmentG(values[1u].asInt());
colorAdjustment->_rgbBlueAdjustment.setadjustmentB(values[2u].asInt());
}
// commit the changes
_hyperion->adjustmentsUpdated();
sendSuccessReply();
}
void JsonClientConnection::handleNotImplemented()
{
sendErrorReply("Command not implemented");
}
void JsonClientConnection::sendMessage(const Json::Value &message)
{
Json::FastWriter writer;
std::string serializedReply = writer.write(message);
if (!_webSocketHandshakeDone)
{
// raw tcp socket mode
_socket->write(serializedReply.data(), serializedReply.length());
} else
{
// websocket mode
quint32 size = serializedReply.length();
// prepare data frame
QByteArray response;
response.append(0x81);
if (size > 125)
{
response.append(0x7E);
response.append((size >> 8) & 0xFF);
response.append(size & 0xFF);
} else {
response.append(size);
}
response.append(serializedReply.c_str(), serializedReply.length());
_socket->write(response.data(), response.length());
}
}
void JsonClientConnection::sendMessage(const Json::Value & message, QTcpSocket * socket)
{
// serialize message (FastWriter already appends a newline)
std::string serializedMessage = Json::FastWriter().write(message);
// write message
socket->write(serializedMessage.c_str());
if (!socket->waitForBytesWritten())
{
//std::cout << "Error while writing data to host" << std::endl;
return;
}
// read reply data
QByteArray serializedReply;
while (!serializedReply.contains('\n'))
{
// receive reply
if (!socket->waitForReadyRead())
{
//std::cout << "Error while reading data from host" << std::endl;
return;
}
serializedReply += socket->readAll();
}
int bytes = serializedReply.indexOf('\n') + 1; // Find the end of message
// parse reply data
Json::Reader jsonReader;
Json::Value reply;
if (!jsonReader.parse(serializedReply.constData(), serializedReply.constData() + bytes, reply))
{
//std::cout << "Error while parsing reply: invalid json" << std::endl;
return;
}
}
void JsonClientConnection::sendSuccessReply()
{
// create reply
Json::Value reply;
reply["success"] = true;
// send reply
sendMessage(reply);
}
void JsonClientConnection::sendErrorReply(const std::string &error)
{
// create reply
Json::Value reply;
reply["success"] = false;
reply["error"] = error;
// send reply
sendMessage(reply);
}
bool JsonClientConnection::checkJson(const Json::Value & message, const QString & schemaResource, std::string & errorMessage)
{
// read the json schema from the resource
QResource schemaData(schemaResource);
assert(schemaData.isValid());
Json::Reader jsonReader;
Json::Value schemaJson;
if (!jsonReader.parse(reinterpret_cast<const char *>(schemaData.data()), reinterpret_cast<const char *>(schemaData.data()) + schemaData.size(), schemaJson, false))
{
throw std::runtime_error("JSONCLIENT ERROR: Schema error: " + jsonReader.getFormattedErrorMessages()) ;
}
// create schema checker
JsonSchemaChecker schema;
schema.setSchema(schemaJson);
// check the message
if (!schema.validate(message))
{
const std::list<std::string> & errors = schema.getMessages();
std::stringstream ss;
ss << "{";
foreach (const std::string & error, errors) {
ss << error << " ";
}
ss << "}";
errorMessage = ss.str();
return false;
}
return true;
}
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