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/** **************************************************************************
* service.c
*
* Copyright 2008 Bryan Ischo <bryan@ischo.com>
*
* This file is part of libs3.
*
* libs3 is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, version 3 of the License.
*
* libs3 is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License version 3
* along with libs3, in a file named COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
************************************************************************** **/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "request.h"
typedef struct XmlCallbackData
{
SimpleXml simpleXml;
S3ResponsePropertiesCallback *responsePropertiesCallback;
S3ListServiceCallback *listServiceCallback;
S3ResponseCompleteCallback *responseCompleteCallback;
void *callbackData;
string_buffer(ownerId, 256);
string_buffer(ownerDisplayName, 256);
string_buffer(bucketName, 256);
string_buffer(creationDate, 128);
} XmlCallbackData;
static S3Status xmlCallback(const char *elementPath, const char *data,
int dataLen, void *callbackData)
{
XmlCallbackData *cbData = (XmlCallbackData *) callbackData;
int fit;
if (data) {
if (!strcmp(elementPath, "ListAllMyBucketsResult/Owner/ID")) {
string_buffer_append(cbData->ownerId, data, dataLen, fit);
}
else if (!strcmp(elementPath,
"ListAllMyBucketsResult/Owner/DisplayName")) {
string_buffer_append(cbData->ownerDisplayName, data, dataLen, fit);
}
else if (!strcmp(elementPath,
"ListAllMyBucketsResult/Buckets/Bucket/Name")) {
string_buffer_append(cbData->bucketName, data, dataLen, fit);
}
else if (!strcmp
(elementPath,
"ListAllMyBucketsResult/Buckets/Bucket/CreationDate")) {
string_buffer_append(cbData->creationDate, data, dataLen, fit);
}
}
else {
if (!strcmp(elementPath, "ListAllMyBucketsResult/Buckets/Bucket")) {
// Parse date. Assume ISO-8601 date format.
time_t creationDate = parseIso8601Time(cbData->creationDate);
// Make the callback - a bucket just finished
S3Status status = (*(cbData->listServiceCallback))
(cbData->ownerId, cbData->ownerDisplayName,
cbData->bucketName, creationDate, cbData->callbackData);
string_buffer_initialize(cbData->bucketName);
string_buffer_initialize(cbData->creationDate);
return status;
}
}
return S3StatusOK;
}
static S3Status propertiesCallback
(const S3ResponseProperties *responseProperties, void *callbackData)
{
XmlCallbackData *cbData = (XmlCallbackData *) callbackData;
return (*(cbData->responsePropertiesCallback))
(responseProperties, cbData->callbackData);
}
static S3Status dataCallback(int bufferSize, const char *buffer,
void *callbackData)
{
XmlCallbackData *cbData = (XmlCallbackData *) callbackData;
return simplexml_add(&(cbData->simpleXml), buffer, bufferSize);
}
static void completeCallback(S3Status requestStatus,
const S3ErrorDetails *s3ErrorDetails,
void *callbackData)
{
XmlCallbackData *cbData = (XmlCallbackData *) callbackData;
(*(cbData->responseCompleteCallback))
(requestStatus, s3ErrorDetails, cbData->callbackData);
simplexml_deinitialize(&(cbData->simpleXml));
free(cbData);
}
void S3_list_service(S3Protocol protocol, const char *accessKeyId,
const char *secretAccessKey,
S3RequestContext *requestContext,
const S3ListServiceHandler *handler, void *callbackData)
{
// Create and set up the callback data
XmlCallbackData *data =
(XmlCallbackData *) malloc(sizeof(XmlCallbackData));
if (!data) {
(*(handler->responseHandler.completeCallback))
(S3StatusOutOfMemory, 0, callbackData);
return;
}
simplexml_initialize(&(data->simpleXml), &xmlCallback, data);
data->responsePropertiesCallback =
handler->responseHandler.propertiesCallback;
data->listServiceCallback = handler->listServiceCallback;
data->responseCompleteCallback = handler->responseHandler.completeCallback;
data->callbackData = callbackData;
string_buffer_initialize(data->ownerId);
string_buffer_initialize(data->ownerDisplayName);
string_buffer_initialize(data->bucketName);
string_buffer_initialize(data->creationDate);
// Set up the RequestParams
RequestParams params =
{
HttpRequestTypeGET, // httpRequestType
protocol, // protocol
S3UriStylePath, // uriStyle
0, // bucketName
0, // key
0, // queryParams
0, // subResource
accessKeyId, // accessKeyId
secretAccessKey, // secretAccessKey
0, // copySourceBucketName
0, // copySourceKey
0, // getConditions
0, // startByte
0, // byteCount
0, // requestProperties
&propertiesCallback, // propertiesCallback
0, // toS3Callback
0, // toS3CallbackTotalSize
&dataCallback, // fromS3Callback
&completeCallback, // completeCallback
data // callbackData
};
// Perform the request
request_perform(¶ms, requestContext);
}
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