assignment_frame_rate.cpp

Go to the documentation of this file.

#include "irsol/server/handlers/assignment_frame_rate.hpp"
 
#include "irsol/server/client/session.hpp"
#include "irsol/utils.hpp"
 
namespace irsol {
namespace server {
namespace handlers {
AssignmentFrameRateHandler::AssignmentFrameRateHandler(std::shared_ptr<Context> ctx)
  : AssignmentHandler(ctx)
{}
 
std::vector<out_message_t>
AssignmentFrameRateHandler::process(
  std::shared_ptr<irsol::server::ClientSession> session,
  protocol::Assignment&&                        message)
{
  auto& frameListeningState = session->userData().frameListeningState;
  if(frameListeningState.running()) {
    IRSOL_NAMED_LOG_WARN(
      session->id(), "Session is already listening to frames. Cannot set a frameRate.");
    std::vector<out_message_t> result;
    result.emplace_back(irsol::protocol::Error::from(
      message, "Session is already listening to frames. Cannot set a frameRate."));
    return result;
  }
  const double frameRate = irsol::utils::toDouble(message.value);
  if(frameRate <= 0) {
    IRSOL_NAMED_LOG_WARN(session->id(), "frameRate ({}) must be positive.", frameRate);
    std::vector<out_message_t> result;
    result.emplace_back(irsol::protocol::Error::from(message, "frameRate must be positive."));
    return result;
  }
  IRSOL_NAMED_LOG_INFO(session->id(), "Setting 'frameRate' to {}", frameRate);
 
  frameListeningState.gisParams.frameRate = frameRate;
  std::vector<out_message_t> result;
  result.emplace_back(irsol::protocol::Success::from(message));
  return result;
}
}  // namespace handlers
}  // namespace server
}  // namespace irsol