add all async methods

src/Microservice_Client.cpp

@@ -163,6 +163,17 @@ ClientRespAsyncTask cMicroservice_Client::AsyncSend(ClientAsyncTaskParamsPtr &cl
 }
 
 void cMicroservice_Client::AsyncCreate(MSCommandParams* p_cmdParams,CrudHandler crudHandler){
-
     p_commandClient_->AsyncCreate(p_cmdParams,crudHandler);
 }
+
+void cMicroservice_Client::AsyncRead(MSCommandParams* p_cmdParams,CrudHandler crudHandler){
+    p_commandClient_->AsyncRead(p_cmdParams,crudHandler);
+}
+
+void cMicroservice_Client::AsyncUpdate(MSCommandParams* p_cmdParams,CrudHandler crudHandler){
+    p_commandClient_->AsyncUpdate(p_cmdParams,crudHandler);
+}
+
+void cMicroservice_Client::AsyncDelete(MSCommandParams* p_cmdParams,CrudHandler crudHandler){
+    p_commandClient_->AsyncDelete(p_cmdParams,crudHandler);
+}

src/Microservice_Client.h

@@ -146,6 +146,9 @@ public:
 
     // async only clients
     void AsyncCreate(MSCommandParams* p_cmdParams,CrudHandler crudHandler);
+    void AsyncRead(MSCommandParams* p_cmdParams,CrudHandler crudHandler);
+    void AsyncUpdate(MSCommandParams* p_cmdParams,CrudHandler crudHandler);
+    void AsyncDelete(MSCommandParams* p_cmdParams,CrudHandler crudHandler);
 };
 
 #endif /* MICROSERVICE_CLIENT_H */

src/common/Microservice_Iface.h

@@ -218,6 +218,9 @@ namespace nsMicroservice_Iface
 		 * 
 		 */
 		virtual MSRetStat AsyncCreate(MSCommandParams* p_cmd_params,CrudHandler crudHandler) { return MSRetStat(); }
+		virtual MSRetStat AsyncRead(MSCommandParams* p_cmd_params,CrudHandler crudHandler) { return MSRetStat(); }
+		virtual MSRetStat AsyncUpdate(MSCommandParams* p_cmd_params,CrudHandler crudHandler) { return MSRetStat(); }
+		virtual MSRetStat AsyncDelete(MSCommandParams* p_cmd_params,CrudHandler crudHandler) { return MSRetStat(); }
 	};
 
 	struct IMetricsFactory

src/impl/clients/MSICommandClientEvppImpl.cpp

@@ -80,6 +80,21 @@ MSRetStat MSICommandClientEvppImpl::AsyncCreate(MSCommandParams* p_cmd_params,Cr
     return HandleAsyncCommandAndCallback<evpp::httpc::PostEvppRequest>(hacdPtr);
 }
 
+MSRetStat MSICommandClientEvppImpl::AsyncRead(MSCommandParams* p_cmd_params,CrudHandler crudHandler){
+    HandleAsyncCommandDataPtr hacdPtr = std::make_shared<HandleAsyncCommandData>(p_cmd_params,&create_counters_,cMicroservice_Enums::eCrudMethod::eRead,crudHandler);
+    return HandleAsyncCommandAndCallback<evpp::httpc::GetEvppRequest>(hacdPtr);
+}
+
+MSRetStat MSICommandClientEvppImpl::AsyncUpdate(MSCommandParams* p_cmd_params,CrudHandler crudHandler){
+    HandleAsyncCommandDataPtr hacdPtr = std::make_shared<HandleAsyncCommandData>(p_cmd_params,&create_counters_,cMicroservice_Enums::eCrudMethod::eUpdate,crudHandler);
+    return HandleAsyncCommandAndCallback<evpp::httpc::PutEvppRequest>(hacdPtr);
+}
+
+MSRetStat MSICommandClientEvppImpl::AsyncDelete(MSCommandParams* p_cmd_params,CrudHandler crudHandler){
+    HandleAsyncCommandDataPtr hacdPtr = std::make_shared<HandleAsyncCommandData>(p_cmd_params,&create_counters_,cMicroservice_Enums::eCrudMethod::eDelete,crudHandler);
+    return HandleAsyncCommandAndCallback<evpp::httpc::DeleteEvppRequest>(hacdPtr);
+}
+
 bool MSICommandClientEvppImpl::BuildUrl(MSCommandParams *p_cmd_params, std::string &url)
 {
     //std::string unencoded_url;
@@ -209,7 +224,8 @@ template <typename Req>
 MSRetStat MSICommandClientEvppImpl::HandleAsyncCommandAndCallback(HandleAsyncCommandDataPtr& handleAsyncCommandDataPtr){
     MSRetStat retstat;
     //evpp::httpc::EvppRequestPtr requestPtr = nullptr;
-    std::shared_ptr<Req> requestPtr = nullptr;
+//    std::shared_ptr<Req> requestPtr = nullptr;
+    Req* requestPtr = nullptr;
 
     std::string url;
     if (BuildUrl(handleAsyncCommandDataPtr->p_cmd_params, url))
@@ -217,24 +233,24 @@ MSRetStat MSICommandClientEvppImpl::HandleAsyncCommandAndCallback(HandleAsyncCom
         switch (handleAsyncCommandDataPtr->method)
         {
             case cMicroservice_Enums::eCrudMethod::eCreate:
-                requestPtr =  std::make_shared<Req>(loopThread_.loop(),
+                requestPtr =  new Req(loopThread_.loop(),
                                                     url, 
                                                     handleAsyncCommandDataPtr->p_cmd_params->GetContent().c_str(), 
                                                     evpp::Duration(requestTimeout_));
                 break;
             case cMicroservice_Enums::eCrudMethod::eRead:
-                requestPtr = std::make_shared<Req>(loopThread_.loop(),
+                requestPtr = new Req(loopThread_.loop(),
                                                     url,
                                                     evpp::Duration(requestTimeout_));
                 break;
             case cMicroservice_Enums::eCrudMethod::eUpdate:
-                requestPtr = std::make_shared<Req>(loopThread_.loop(),
+                requestPtr = new Req(loopThread_.loop(),
                                                     url, 
                                                     handleAsyncCommandDataPtr->p_cmd_params->GetContent().c_str(),
                                                     evpp::Duration(requestTimeout_));
                 break;
             case cMicroservice_Enums::eCrudMethod::eDelete:
-                requestPtr = std::make_shared<Req>(loopThread_.loop(),
+                requestPtr = new Req(loopThread_.loop(),
                                                    url,
                                                    evpp::Duration(requestTimeout_));
                 break;
@@ -242,12 +258,21 @@ MSRetStat MSICommandClientEvppImpl::HandleAsyncCommandAndCallback(HandleAsyncCom
 
         if (requestPtr)
         {
+             /**
+             * Add Headers
+             */
+            auto& headers = handleAsyncCommandDataPtr->p_cmd_params->GetHeadersMap();
+            if (!headers.empty()){
+                requestPtr->add_headers(headers);
+            }
+
             /**
              * passing requestPtr here to increment the reference, so that
              * the request will be deleted from the loop thread
              * this is mandatory
              */
             requestPtr->Execute([this,handleAsyncCommandDataPtr,requestPtr](const std::shared_ptr<evpp::httpc::EvppResponse> &responsePtr) {
+                try {
                 register int resp_code = responsePtr->http_code();
                 handleAsyncCommandDataPtr->finished = true;
                 if (resp_code == 0){
@@ -257,6 +282,16 @@ MSRetStat MSICommandClientEvppImpl::HandleAsyncCommandAndCallback(HandleAsyncCom
                 } else {
                     this->handleAsyncRequestFailed(handleAsyncCommandDataPtr,nsMicroservice_Constants::REQUEST_ERROR);
                 }
+                } catch (const std::exception& e ){
+                    this->handleAsyncRequestFailed(handleAsyncCommandDataPtr,e.what());
+                }
+                // FINALLY
+                /**
+                 * The request MUST BE deleted in EventLoop thread.
+                 * if we use shared_ptr for requestPtr, we could end up
+                 * with a case where this call back executed before the enclosing block.
+                 */
+                delete requestPtr; 
             });
         } else {
             retstat.SetError("Unsupported method");    
@@ -308,14 +343,16 @@ void MSICommandClientEvppImpl::handleAsyncRequestSuccess(const ICommandClient::H
      * and parse it
      */
     if (responsePtr->body().size()){
-        const char* respBody = responsePtr->body().data();
-        if(!doc.Parse<0>(respBody).HasParseError()) {
+        std::string respBody = responsePtr->body().ToString(); // must use ToString, since it an overrun buffer
+        std::cout << "Parsing body: " <<  respBody << std::endl;
+        if(!doc.Parse<0>(respBody.c_str()).HasParseError()) {
             asyncCmdDataPtr->p_command_counters->succeed++;
             brr.setResponse_code(responsePtr->http_code());
             brr.setCommandId(asyncCmdDataPtr->p_cmd_params->GetCommandId());
             asyncCmdDataPtr->crudHandler(&brr);
         } else {
             handleAsyncRequestFailed(asyncCmdDataPtr,rapidjson::GetParseError_En(doc.GetParseError()));
+
         }
     } else {
         brr.setResponse_code(responsePtr->http_code());

src/impl/clients/MSICommandClientEvppImpl.h

@@ -47,6 +47,9 @@ class MSICommandClientEvppImpl : public ICommandClient
     MSRetStat Delete(MSCommandParams *p_cmd_params, cMicroservice_BaseRestResponse *p_response) override;
 
     MSRetStat AsyncCreate(MSCommandParams* p_cmd_params,CrudHandler crudHandler) override;
+    MSRetStat AsyncRead(MSCommandParams* p_cmd_params,CrudHandler crudHandler) override;
+    MSRetStat AsyncUpdate(MSCommandParams* p_cmd_params,CrudHandler crudHandler) override;
+    MSRetStat AsyncDelete(MSCommandParams* p_cmd_params,CrudHandler crudHandler) override;
 };
 
 #endif // MSICOMMANDCLIENTEVPPIMPL_H
\ No newline at end of file