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view Platforms/Wasm/WasmWebService.h @ 973:38409549db43 toa2019082903

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Log with addresses + added fingerprint mechanism to avoid calling zombie objects where: - a message is sent with a receiver - the receiver dies - another receiver with the SAME address is created - the message reply is executed --> execution on the wrong object! (since their "identity" is their address. The fix is to identify them with an UUID stored at creation time)
author Benjamin Golinvaux <bgo@osimis.io>
date Thu, 29 Aug 2019 18:07:55 +0200
parents c35e98d22764
children
line wrap: on
line source

#pragma once

#include "../../Framework/Deprecated/Toolbox/BaseWebService.h"
#include <Core/OrthancException.h>

namespace Deprecated
{
class WasmWebService : public BaseWebService
{
private:
  static OrthancStone::MessageBroker *broker_;

  // Private constructor => Singleton design pattern
  WasmWebService(OrthancStone::MessageBroker &broker) : BaseWebService(broker)
  {
  }

public:
  static WasmWebService &GetInstance()
  {
    if (broker_ == NULL)
    {
      printf("WasmWebService::GetInstance(): broker not initialized\n");
      throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
    }
    static WasmWebService instance(*broker_);
    return instance;
  }

  static void SetBroker(OrthancStone::MessageBroker &broker)
  {
    broker_ = &broker;
  }

  virtual void PostAsync(const std::string &uri,
                         const HttpHeaders &headers,
                         const std::string &body,
                         Orthanc::IDynamicObject *payload,
                         OrthancStone::MessageHandler<IWebService::HttpRequestSuccessMessage> *successCallable,
                         OrthancStone::MessageHandler<IWebService::HttpRequestErrorMessage> *failureCallable = NULL,
                         unsigned int timeoutInSeconds = 60);

  virtual void DeleteAsync(const std::string &uri,
                           const HttpHeaders &headers,
                           Orthanc::IDynamicObject *payload,
                           OrthancStone::MessageHandler<IWebService::HttpRequestSuccessMessage> *successCallable,
                           OrthancStone::MessageHandler<IWebService::HttpRequestErrorMessage> *failureCallable = NULL,
                           unsigned int timeoutInSeconds = 60);

protected:
  virtual void GetAsyncInternal(const std::string &uri,
                                const HttpHeaders &headers,
                                Orthanc::IDynamicObject *payload,
                                OrthancStone::MessageHandler<IWebService::HttpRequestSuccessMessage> *successCallable,
                                OrthancStone::MessageHandler<IWebService::HttpRequestErrorMessage> *failureCallable = NULL,
                                unsigned int timeoutInSeconds = 60);

  virtual void NotifyHttpSuccessLater(boost::shared_ptr<BaseWebService::CachedHttpRequestSuccessMessage> cachedHttpMessage,
                                      Orthanc::IDynamicObject *payload, // takes ownership
                                      OrthancStone::MessageHandler<IWebService::HttpRequestSuccessMessage> *successCallback);
};
} // namespace Deprecated