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Code Issues Releases Wiki Activity

Switched json to proto

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Former-commit-id: 1a1c70b93c9b4efe17f1c1d2da246c949affa1f0
This commit is contained in:
johan 2014-01-25 21:00:48 +01:00
parent 6723c7bf2b
commit 4f7997bbfe
3 changed files with 73 additions and 82 deletions
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1
src/hyperion-v4l2/CMakeLists.txt
View File

@ -42,7 +42,6 @@ add_executable(hyperion-v4l2
target_link_libraries(hyperion-v4l2
getoptPlusPlus
jsoncpp
hyperion-utils
${PROTOBUF_LIBRARIES}
pthread

142
src/hyperion-v4l2/ProtoConnection.cpp
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@ -38,26 +38,17 @@ ProtoConnection::~ProtoConnection()
_socket.close();
}
void ProtoConnection::setColor(std::vector<QColor> colors, int priority, int duration)
void ProtoConnection::setColor(const ColorRgb & color, int priority, int duration)
{
// create command
Json::Value command;
command["command"] = "color";
command["priority"] = priority;
Json::Value & rgbValue = command["color"];
for (const QColor & color : colors)
{
rgbValue.append(color.red());
rgbValue.append(color.green());
rgbValue.append(color.blue());
}
if (duration > 0)
{
command["duration"] = duration;
}
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::COLOR);
proto::ColorRequest * colorRequest = request.MutableExtension(proto::ColorRequest::colorRequest);
colorRequest->set_rgbcolor((color.red << 16) | (color.green << 8) | color.blue);
colorRequest->set_priority(priority);
colorRequest->set_duration(duration);
// send command message
Json::Value reply = sendMessage(command);
proto::HyperionReply reply = sendMessage(request);
// parse reply message
parseReply(reply);
@ -65,40 +56,31 @@ void ProtoConnection::setColor(std::vector<QColor> colors, int priority, int dur
void ProtoConnection::setImage(const Image<ColorRgb> &image, int priority, int duration)
{
// ensure the image has RGB888 format
QByteArray binaryImage = QByteArray::fromRawData(reinterpret_cast<const char *>(image.memptr()), image.width() * image.height() * 3);
const QByteArray base64Image = binaryImage.toBase64();
// create command
Json::Value command;
command["command"] = "image";
command["priority"] = priority;
command["imagewidth"] = image.width();
command["imageheight"] = image.height();
command["imagedata"] = std::string(base64Image.data(), base64Image.size());
if (duration > 0)
{
command["duration"] = duration;
}
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::IMAGE);
proto::ImageRequest * imageRequest = request.MutableExtension(proto::ImageRequest::imageRequest);
imageRequest->set_imagedata(image.memptr(), image.width() * image.height() * 3);
imageRequest->set_imagewidth(image.width());
imageRequest->set_imageheight(image.height());
imageRequest->set_priority(priority);
imageRequest->set_duration(duration);
// send command message
Json::Value reply = sendMessage(command);
proto::HyperionReply reply = sendMessage(request);
// parse reply message
parseReply(reply);
// parseReply(reply);
}
void ProtoConnection::clear(int priority)
{
std::cout << "Clear priority channel " << priority << std::endl;
// create command
Json::Value command;
command["command"] = "clear";
command["priority"] = priority;
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEAR);
proto::ClearRequest * clearRequest = request.MutableExtension(proto::ClearRequest::clearRequest);
clearRequest->set_priority(priority);
// send command message
Json::Value reply = sendMessage(command);
proto::HyperionReply reply = sendMessage(request);
// parse reply message
parseReply(reply);
@ -106,35 +88,44 @@ void ProtoConnection::clear(int priority)
void ProtoConnection::clearAll()
{
std::cout << "Clear all priority channels" << std::endl;
// create command
Json::Value command;
command["command"] = "clearall";
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEARALL);
// send command message
Json::Value reply = sendMessage(command);
proto::HyperionReply reply = sendMessage(request);
// parse reply message
parseReply(reply);
}
Json::Value ProtoConnection::sendMessage(const Json::Value & message)
proto::HyperionReply ProtoConnection::sendMessage(const proto::HyperionRequest &message)
{
// serialize message (FastWriter already appends a newline)
std::string serializedMessage = Json::FastWriter().write(message);
std::string serializedMessage = message.SerializeAsString();
int length = serializedMessage.size();
const uint8_t header[] = {
uint8_t((length >> 24) & 0xFF),
uint8_t((length >> 16) & 0xFF),
uint8_t((length >> 8) & 0xFF),
uint8_t((length ) & 0xFF)};
// write message
_socket.write(serializedMessage.c_str());
int count = 0;
count += _socket.write(reinterpret_cast<const char *>(header), 4);
count += _socket.write(reinterpret_cast<const char *>(serializedMessage.data()), length);
if (!_socket.waitForBytesWritten())
{
throw std::runtime_error("Error while writing data to host");
}
/*
// read reply data
QByteArray serializedReply;
while (!serializedReply.contains('\n'))
length = -1;
while (serializedReply.size() != length)
{
std::cout << length << std::endl;
// receive reply
if (!_socket.waitForReadyRead())
{
@ -142,39 +133,40 @@ Json::Value ProtoConnection::sendMessage(const Json::Value & message)
}
serializedReply += _socket.readAll();
}
int bytes = serializedReply.indexOf('\n') + 1; // Find the end of message
if (length < 0 && serializedReply.size() >= 4)
{
std::cout << (int) serializedReply[3] << std::endl;
std::cout << (int) serializedReply[2] << std::endl;
std::cout << (int) serializedReply[1] << std::endl;
std::cout << (int) serializedReply[0] << std::endl;
length = (uint8_t(serializedReply[0]) << 24) | (uint8_t(serializedReply[1]) << 16) | (uint8_t(serializedReply[2]) << 8) | uint8_t(serializedReply[3]) ;
}
}
std::cout << length << std::endl;
*/
// parse reply data
Json::Reader jsonReader;
Json::Value reply;
if (!jsonReader.parse(serializedReply.constData(), serializedReply.constData() + bytes, reply))
{
throw std::runtime_error("Error while parsing reply: invalid json");
}
proto::HyperionReply reply;
// reply.ParseFromArray(serializedReply.constData()+4, length);
return reply;
}
bool ProtoConnection::parseReply(const Json::Value &reply)
bool ProtoConnection::parseReply(const proto::HyperionReply &reply)
{
bool success = false;
std::string reason = "No error info";
try
if (!reply.success())
{
success = reply.get("success", false).asBool();
if (!success)
reason = reply.get("error", reason).asString();
}
catch (const std::runtime_error &)
{
// Some json parsing error: ignore and set parsing error
}
if (!success)
{
throw std::runtime_error("Error: " + reason);
if (reply.has_error())
{
throw std::runtime_error("Error: " + reply.error());
}
else
{
throw std::runtime_error("Error: No error info");
}
}
return success;

12
src/hyperion-v4l2/ProtoConnection.h
View File

@ -14,7 +14,7 @@
#include <utils/ColorRgb.h>
// jsoncpp includes
#include <json/json.h>
#include <message.pb.h>
///
/// Connection class to setup an connection to the hyperion server and execute commands
@ -41,7 +41,7 @@ public:
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setColor(std::vector<QColor> color, int priority, int duration);
void setColor(const ColorRgb & color, int priority, int duration = 1);
///
/// Set the leds according to the given image (assume the image is stretched to the display size)
@ -50,7 +50,7 @@ public:
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setImage(const Image<ColorRgb> & image, int priority, int duration);
void setImage(const Image<ColorRgb> & image, int priority, int duration = -1);
///
/// Clear the given priority channel
@ -66,13 +66,13 @@ public:
private:
///
/// Send a json command message and receive its reply
/// Send a command message and receive its reply
///
/// @param message The message to send
///
/// @return The returned reply
///
Json::Value sendMessage(const Json::Value & message);
proto::HyperionReply sendMessage(const proto::HyperionRequest & message);
///
/// Parse a reply message
@ -81,7 +81,7 @@ private:
///
/// @return true if the reply indicates success
///
bool parseReply(const Json::Value & reply);
bool parseReply(const proto::HyperionReply & reply);
private:
/// The TCP-Socket with the connection to the server