Chilkat Online Tools

DescribeReplicationTasks delphiDll Example

AWS Database Migration Service

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
CdcStartPosition: PWideChar;
CdcStopPosition: PWideChar;
LastFailureMessage: PWideChar;
MigrationType: PWideChar;
RecoveryCheckpoint: PWideChar;
ReplicationInstanceArn: PWideChar;
ReplicationTaskArn: PWideChar;
ReplicationTaskCreationDate: Integer;
ReplicationTaskIdentifier: PWideChar;
ReplicationTaskSettings: PWideChar;
ReplicationTaskStartDate: Integer;
ElapsedTimeMillis: Integer;
FreshStartDate: Integer;
FullLoadFinishDate: Integer;
FullLoadProgressPercent: Integer;
FullLoadStartDate: Integer;
StartDate: Integer;
StopDate: Integer;
TablesErrored: Integer;
TablesLoaded: Integer;
TablesLoading: Integer;
TablesQueued: Integer;
SourceEndpointArn: PWideChar;
Status: PWideChar;
StopReason: PWideChar;
TableMappings: PWideChar;
TargetEndpointArn: PWideChar;
TargetReplicationInstanceArn: PWideChar;
TaskData: PWideChar;
Marker: PWideChar;
i: Integer;
count_i: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'dms');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://dms.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'dms.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'Filters[0].Name','string');
CkJsonObject_UpdateString(json,'Filters[0].Values[0]','string');
CkJsonObject_UpdateString(json,'Marker','string');
CkJsonObject_UpdateInt(json,'MaxRecords',123);
CkJsonObject_UpdateInt(json,'WithoutSettings',123);

// The JSON request body created by the above code:

// {
//   "Filters": [
//     {
//       "Name": "string",
//       "Values": [
//         "string"
//       ]
//     }
//   ],
//   "Marker": "string",
//   "MaxRecords": number,
//   "WithoutSettings": boolean
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','AmazonDMSv20160101.DescribeReplicationTasks');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

Marker := CkJsonObject__stringOf(jResp,'Marker');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'ReplicationTasks');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    CdcStartPosition := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].CdcStartPosition');
    CdcStopPosition := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].CdcStopPosition');
    LastFailureMessage := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].LastFailureMessage');
    MigrationType := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].MigrationType');
    RecoveryCheckpoint := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].RecoveryCheckpoint');
    ReplicationInstanceArn := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].ReplicationInstanceArn');
    ReplicationTaskArn := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].ReplicationTaskArn');
    ReplicationTaskCreationDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskCreationDate');
    ReplicationTaskIdentifier := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].ReplicationTaskIdentifier');
    ReplicationTaskSettings := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].ReplicationTaskSettings');
    ReplicationTaskStartDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStartDate');
    ElapsedTimeMillis := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.ElapsedTimeMillis');
    FreshStartDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.FreshStartDate');
    FullLoadFinishDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.FullLoadFinishDate');
    FullLoadProgressPercent := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.FullLoadProgressPercent');
    FullLoadStartDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.FullLoadStartDate');
    StartDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.StartDate');
    StopDate := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.StopDate');
    TablesErrored := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.TablesErrored');
    TablesLoaded := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.TablesLoaded');
    TablesLoading := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.TablesLoading');
    TablesQueued := CkJsonObject_IntOf(jResp,'ReplicationTasks[i].ReplicationTaskStats.TablesQueued');
    SourceEndpointArn := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].SourceEndpointArn');
    Status := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].Status');
    StopReason := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].StopReason');
    TableMappings := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].TableMappings');
    TargetEndpointArn := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].TargetEndpointArn');
    TargetReplicationInstanceArn := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].TargetReplicationInstanceArn');
    TaskData := CkJsonObject__stringOf(jResp,'ReplicationTasks[i].TaskData');
    i := i + 1;
  end;

// A sample JSON response body parsed by the above code:

// {
//   "Marker": "string",
//   "ReplicationTasks": [
//     {
//       "CdcStartPosition": "string",
//       "CdcStopPosition": "string",
//       "LastFailureMessage": "string",
//       "MigrationType": "string",
//       "RecoveryCheckpoint": "string",
//       "ReplicationInstanceArn": "string",
//       "ReplicationTaskArn": "string",
//       "ReplicationTaskCreationDate": number,
//       "ReplicationTaskIdentifier": "string",
//       "ReplicationTaskSettings": "string",
//       "ReplicationTaskStartDate": number,
//       "ReplicationTaskStats": {
//         "ElapsedTimeMillis": number,
//         "FreshStartDate": number,
//         "FullLoadFinishDate": number,
//         "FullLoadProgressPercent": number,
//         "FullLoadStartDate": number,
//         "StartDate": number,
//         "StopDate": number,
//         "TablesErrored": number,
//         "TablesLoaded": number,
//         "TablesLoading": number,
//         "TablesQueued": number
//       },
//       "SourceEndpointArn": "string",
//       "Status": "string",
//       "StopReason": "string",
//       "TableMappings": "string",
//       "TargetEndpointArn": "string",
//       "TargetReplicationInstanceArn": "string",
//       "TaskData": "string"
//     }
//   ]
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);