コード例 #1
0
        // 获得记录
        // 本函数每次调用前,最好调用一次 TryInitialize()
        // 不确保一定可以获得nCount个
        // parameters:
        //		nStart	获取记录的开始位置(从0开始计数)
        public async Task <PresentResult> OncePresent(
            string strResultSetName,
            int nStart,
            int nCount,
            string strElementSetName,
            string strPreferredRecordSyntax)
        {
            if (nCount == 0)
            {
                return new PresentResult {
                           Value = 0, ErrorInfo = "nCount 参数为 0,本次没有真正请求服务器获取记录"
                }
            }
            ;

            BerTree         tree = new BerTree();
            PRESENT_REQUEST struPresent_request = new PRESENT_REQUEST();

            //byte[] baPackage = null;
            //int nRet;

            struPresent_request.m_strReferenceId            = this._currentRefID;
            struPresent_request.m_strResultSetName          = strResultSetName; // "default";
            struPresent_request.m_lResultSetStartPoint      = nStart + 1;
            struPresent_request.m_lNumberOfRecordsRequested = nCount;
            struPresent_request.m_strElementSetNames        = strElementSetName;
            struPresent_request.m_strPreferredRecordSyntax  = strPreferredRecordSyntax;

            int nRet = tree.PresentRequest(struPresent_request,
                                           out byte[] baPackage);

            if (nRet == -1)
            {
                return new PresentResult {
                           Value = -1, ErrorInfo = "CBERTree::PresentRequest() fail!"
                }
            }
            ;
            if (this._channel.Connected == false)
            {
                this.CloseConnection();

                return(new PresentResult {
                    Value = -1, ErrorInfo = "socket尚未连接或者已经被关闭"
                });
            }

#if DUMPTOFILE
            DeleteFile("presentrequest.bin");
            DumpPackage("presentrequest.bin",
                        (char *)baPackage.GetData(),
                        baPackage.GetSize());
            DeleteFile("presentrequest.txt");
            tree.m_RootNode.DumpToFile("presentrequest.txt");
#endif

            BerTree tree1 = new BerTree();

            {
                RecvResult result = await this._channel.SendAndRecv(
                    baPackage);

                if (result.Value == -1)
                {
                    return(new PresentResult(result));
                }

#if DUMPTOFILE
                DeleteFile("presendresponse.bin");
                DumpPackage("presentresponse.bin",
                            (char *)baPackage.GetData(),
                            baPackage.GetSize());
#endif


                tree1.m_RootNode.BuildPartTree(result.Package,
                                               0,
                                               result.Package.Length,
                                               out int nTotalLen);
            }

#if DUMPTOFILE
            DeleteFile("PresentResponse.txt");
            tree1.m_RootNode.DumpDebugInfoToFile("PresentResponse.txt");
#endif
            SEARCH_RESPONSE search_response = new SEARCH_RESPONSE();
            nRet = BerTree.GetInfo_PresentResponse(tree1.GetAPDuRoot(),
                                                   ref search_response,
                                                   out RecordCollection records,
                                                   true,
                                                   out string strError);
            if (nRet == -1)
            {
                return new PresentResult {
                           Value = -1, ErrorInfo = strError
                }
            }
            ;

            SetElementSetName(records, strElementSetName);

            if (search_response.m_diagRecords.Count != 0)
            {
                return new PresentResult {
                           Value = -1, ErrorInfo = "error diagRecords:\r\n\r\n---\r\n" + search_response.m_diagRecords.GetMessage()
                }
            }
            ;

            return(new PresentResult {
                Records = records
            });
        }
コード例 #2
0
ファイル: ZSearchForm.cs プロジェクト: renyh1013/dp2
        // 获得记录
        // 不确保一定可以获得nCount个
        // parameters:
        //		nStart	开始记录(从0计算)
        int DoOncePresent(
            ZConnection connection,
            string strResultSetName,
            int nStart,
            int nCount,
            string strElementSetName,
            string strPreferredRecordSyntax,
            out RecordCollection records,
            out string strError)
        {
            records = null;
            strError = "";

            if (nCount == 0)
            {
                strError = "nCount为0";
                return 0;
            }


            BerTree tree = new BerTree();
            PRESENT_REQUEST struPresent_request = new PRESENT_REQUEST();
            byte[] baPackage = null;
            int nRet;
            int nRecvLen;

            // -->
            BerTree tree1 = new BerTree();
            int nTotlen = 0;

            struPresent_request.m_strReferenceId = this.CurrentRefID;
            struPresent_request.m_strResultSetName = strResultSetName; // "default";
            struPresent_request.m_lResultSetStartPoint = nStart + 1;
            struPresent_request.m_lNumberOfRecordsRequested = nCount;
            struPresent_request.m_strElementSetNames = strElementSetName;
            struPresent_request.m_strPreferredRecordSyntax = strPreferredRecordSyntax;

            nRet = tree.PresentRequest(struPresent_request,
                                     out baPackage);
            if (nRet == -1)
            {
                strError = "CBERTree::PresentRequest() fail!";
                return -1;
            }


#if DUMPTOFILE
	DeleteFile("presentrequest.bin");
	DumpPackage("presentrequest.bin",
		(char *)baPackage.GetData(),
		baPackage.GetSize());
	DeleteFile ("presentrequest.txt");
	tree.m_RootNode.DumpToFile("presentrequest.txt");
#endif

            nRet = CheckConnect(
                connection,
                out strError);
            if (nRet == -1)
                return -1;

            /*
            nRet = this.ZChannel.SendTcpPackage(
                baPackage,
                baPackage.Length,
                out strError);
            if (nRet == -1 || nRet == 1)
            {
                // CloseZAssociation();
                return -1;
            }

            //////////////


            baPackage = null;
            nRet = this.ZChannel.RecvTcpPackage(
                        out baPackage,
                        out nRecvLen,
                        out strError);
            if (nRet == -1)
            {
                // CloseZAssociation();
                goto ERROR1;
            }
             * */

            byte [] baOutPackage = null;
            nRet = connection.ZChannel.SendAndRecv(
                baPackage,
                out baOutPackage,
                out nRecvLen,
                out strError);
            if (nRet == -1)
                return -1;

#if DUMPTOFILE	
	DeleteFile("presendresponse.bin");
	DumpPackage("presentresponse.bin",
				(char *)baPackage.GetData(),
				baPackage.GetSize());
#endif


            tree1.m_RootNode.BuildPartTree(baOutPackage,
                0,
                baOutPackage.Length,
                out nTotlen);

#if DUMPTOFILE
	DeleteFile("PresentResponse.txt"); 
	tree1.m_RootNode.DumpDebugInfoToFile("PresentResponse.txt");
#endif

            SEARCH_RESPONSE search_response = new SEARCH_RESPONSE();
            nRet = BerTree.GetInfo_PresentResponse(tree1.GetAPDuRoot(),
                                   ref search_response,
                                   out records,
                                   true,
                                   out strError);
            if (nRet == -1)
                goto ERROR1;

            /*
            nRet = FitDebugInfo_PresentResponse(&tree1,
                                      strError);
            if (nRet == -1) {
                goto ERROR1;
            }

            DeleteFile("PresentResponse.txt"); 
            tree1.m_RootNode.DumpDebugInfoToFile("PresentResponse.txt");
            */


            if (search_response.m_diagRecords.Count != 0)
            {
                /*
                string strDiagText;
                string strAddInfo;

                nRet = GetDiagTextByNumber("bib1diag.txt",
                                m_search_response.m_nDiagCondition,
                                strDiagText,
                                strAddInfo,
                                strError);
                if (nRet == -1) {
                    if (this->m_bAllowMessageBox)
                        AfxMessageBox(strError);
                    return -1;
                }
                if (strDiagText.GetLength())
                    strError = strDiagText;
                else
                    strError.Format("diag condition[%d] diag set id[%s]",
                    m_search_response.m_nDiagCondition,
                    m_search_response.m_strDiagSetID);
                 * */
                strError = "error diagRecords:\r\n\r\n---\r\n" + search_response.m_diagRecords.GetMessage();
                return -1;
            }

            return 0;
        ERROR1:
            return -1;
        }