server.hpp

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#pragma once
 
#include <atomic>
#include <cstdint>
#include <string>
#include <vector>
 
namespace eso::uatools::itest {
 
  struct VariableSimulationConfig {
    std::string type;                       // "sine", "ramp", ...
    double      interval_ms = 1000.0;
    double      period_ms   = 10000.0;      // sine
    double      amplitude   = 1.0;          // sine
    double      offset      = 0.0;          // sine
    double      min         = 0.0;          // ramp
    double      max         = 100.0;        // ramp
    double      step        = 1.0;          // ramp
  };
 
  struct VariableNodeConfig {
    std::string              name;
    std::string              node_id;
    std::string              datatype;
    std::string              initial_value_raw;        // scalars
    bool                     is_array = false;
    std::vector<std::string> initial_array_values;     // arrays
    std::string              folder;                   // optional: nodeId of folder
    bool                     writable = true;
    VariableSimulationConfig sim;                      // waveform sim (scalars only)
  };
 
  struct FolderConfig {
    std::string name;
    std::string node_id;
    std::string parent;     // optional: "Objects" or another folder.nodeId
  };
 
  struct MethodArgConfig {
    std::string name;
    std::string datatype;
    std::string description;
  };
 
  struct MethodSimulationConfig {
    std::string              type;           // "fixed", "sumInt32", ...
    std::vector<std::string> fixed_outputs;  // for type=="fixed"
  };
 
  struct MethodConfig {
    std::string                  name;
    std::string                  node_id;
    std::string                  folder;       // optional: nodeId of folder
    std::vector<MethodArgConfig> input_args;
    std::vector<MethodArgConfig> output_args;
    MethodSimulationConfig       sim;
  };
 
  struct ServerConfigYaml {
    std::string                     endpoint;
    std::string                     namespace_uri;
    std::string                     log_level = "WARNING";  // TRACE|DEBUG|INFO|WARNING|ERROR|FATAL|OFF
    std::vector<FolderConfig>       folders;
    std::vector<VariableNodeConfig> nodes;
    std::vector<MethodConfig>       methods;
  };

  ServerConfigYaml LoadConfig(const std::string& path);

  int Serve(const ServerConfigYaml& cfg, std::atomic<bool>& stop_flag);
 
}  // namespace eso::uatools::itest