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(Unicode C) S3 Find Bucket RegionDemonstrates how to find out the region of an S3 bucket.
#include <C_CkRestW.h> #include <C_CkAuthAwsW.h> #include <C_CkXmlW.h> void ChilkatSample(void) { HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; BOOL success; HCkAuthAwsW authAws; const wchar_t *strResult; int responseStatusCode; HCkXmlW xml; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rest = CkRestW_Create(); // Connect to the Amazon AWS REST server using the correct region (in this example, "us-west-2") bTls = TRUE; port = 443; bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"s3.amazonaws.com",port,bTls,bAutoReconnect); // Provide AWS credentials for the REST call. authAws = CkAuthAwsW_Create(); CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY"); CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY"); CkAuthAwsW_putServiceName(authAws,L"s3"); success = CkRestW_SetAuthAws(rest,authAws); // The bucket name we want to know about is set in the HOST header. // In this example, we want to find the region for the "chilkat.qa" bucket. CkRestW_putHost(rest,L"chilkat.qa.s3.amazonaws.com"); // Send the GET request to query the bucket location. strResult = CkRestW_fullRequestNoBody(rest,L"GET",L"/?location"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); return; } responseStatusCode = CkRestW_getResponseStatusCode(rest); wprintf(L"Response status code = %d\n",responseStatusCode); if (responseStatusCode != 200) { wprintf(L"%s\n",CkRestW_responseHeader(rest)); wprintf(L"%s\n",strResult); wprintf(L"Failed.\n"); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); return; } wprintf(L"%s\n",strResult); // The result contains XML like this: // <?xml version="1.0" encoding="UTF-8"?> // <LocationConstraint xmlns="http://s3.amazonaws.com/doc/2006-03-01/">us-west-2</LocationConstraint> // Get the "us-west-2" from the XML xml = CkXmlW_Create(); success = CkXmlW_LoadXml(xml,strResult); wprintf(L"region = %s\n",CkXmlW_content(xml)); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkXmlW_Dispose(xml); } |
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