| 1 | /* $Id: s3.h 25645 2010-01-05 09:29:31Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Simple Storage Service (S3) Communication API.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | *
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| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 28 | * additional information or have any questions.
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| 29 | */
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| 30 |
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| 31 | #ifndef ___iprt_s3_h
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| 32 | #define ___iprt_s3_h
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| 33 |
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| 34 | #include <iprt/types.h>
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| 35 |
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| 36 | RT_C_DECLS_BEGIN
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| 37 |
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| 38 | /** @defgroup grp_rt_s3 RTS3 - Simple Storage Service (S3) Communication API
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| 39 | * @ingroup grp_rt
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| 40 | * @{
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| 41 | */
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| 42 |
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| 43 | /** @todo the following three definitions may move the iprt/types.h later. */
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| 44 | /** RTS3 interface handle. */
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| 45 | typedef R3PTRTYPE(struct RTS3INTERNAL *) RTS3;
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| 46 | /** Pointer to a RTS3 interface handle. */
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| 47 | typedef RTS3 *PRTS3;
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| 48 | /** Nil RTS3 interface handle. */
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| 49 | #define NIL_RTS3 ((RTS3)0)
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| 50 |
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| 51 |
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| 52 | /**
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| 53 | * S3 progress callback.
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| 54 | *
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| 55 | * @returns Reserved, must be 0.
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| 56 | *
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| 57 | * @param uPercent The process completion percentage.
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| 58 | * @param pvUser The user parameter given to RTS3SetProgressCallback.
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| 59 | */
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| 60 | typedef DECLCALLBACK(int) FNRTS3PROGRESS(unsigned uPercent, void *pvUser);
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| 61 | /** Pointer to a S3 progress callback. */
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| 62 | typedef FNRTS3PROGRESS *PFNRTS3PROGRESS;
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| 63 |
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| 64 |
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| 65 | /** Pointer to an S3 bucket entry. */
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| 66 | typedef struct RTS3BUCKETENTRY *PRTS3BUCKETENTRY;
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| 67 | /** Pointer to a const S3 bucket entry. */
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| 68 | typedef struct RTS3BUCKETENTRY const *PCRTS3BUCKETENTRY;
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| 69 | /**
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| 70 | * RTS3 bucket entry.
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| 71 | *
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| 72 | * Represent a bucket of the S3 storage server. Bucket entries are chained as a
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| 73 | * doubly linked list using the pPrev & pNext member.
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| 74 | *
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| 75 | * @todo Consider making the entire list const unless there are plans for
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| 76 | * more APIs using this structure which requires the caller to create
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| 77 | * or modify it.
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| 78 | */
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| 79 | typedef struct RTS3BUCKETENTRY
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| 80 | {
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| 81 | /** The previous element. */
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| 82 | PRTS3BUCKETENTRY pPrev;
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| 83 | /** The next element. */
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| 84 | PRTS3BUCKETENTRY pNext;
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| 85 |
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| 86 | /** The name of the bucket. */
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| 87 | char const *pszName;
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| 88 | /** The creation date of the bucket as string. */
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| 89 | char const *pszCreationDate;
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| 90 | } RTS3BUCKETENTRY;
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| 91 |
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| 92 |
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| 93 | /** Pointer to an S3 key entry. */
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| 94 | typedef struct RTS3KEYENTRY *PRTS3KEYENTRY;
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| 95 | /** Pointer to a const S3 key entry. */
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| 96 | typedef struct RTS3KEYENTRY const *PCRTS3KEYENTRY;
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| 97 | /**
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| 98 | * RTS3 key entry.
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| 99 | *
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| 100 | * Represent a key of the S3 storage server. Key entries are chained as a doubly
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| 101 | * linked list using the pPrev & pNext member.
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| 102 | *
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| 103 | * @todo Consider making the entire list const unless there are plans for
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| 104 | * more APIs using this structure which requires the caller to create
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| 105 | * or modify it.
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| 106 | */
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| 107 | typedef struct RTS3KEYENTRY
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| 108 | {
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| 109 | /** The previous element. */
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| 110 | PRTS3KEYENTRY pPrev;
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| 111 | /** The next element. */
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| 112 | PRTS3KEYENTRY pNext;
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| 113 |
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| 114 | /** The name of the key. */
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| 115 | char const *pszName;
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| 116 | /** The date this key was last modified as string. */
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| 117 | char const *pszLastModified;
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| 118 | /** The size of the file behind this key in bytes. */
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| 119 | uint64_t cbFile;
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| 120 | } RTS3KEYENTRY;
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| 121 |
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| 122 |
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| 123 | /**
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| 124 | * Creates a RTS3 interface handle.
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| 125 | *
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| 126 | * @returns iprt status code.
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| 127 | *
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| 128 | * @param phS3 Where to store the RTS3 handle.
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| 129 | * @param pszAccessKey The access key for the S3 storage server.
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| 130 | * @param pszSecretKey The secret access key for the S3 storage server.
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| 131 | * @param pszBaseUrl The base URL of the S3 storage server.
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| 132 | * @param pszUserAgent An optional user agent string used in the HTTP
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| 133 | * communication.
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| 134 | */
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| 135 | RTR3DECL(int) RTS3Create(PRTS3 phS3, const char *pszAccessKey, const char *pszSecretKey, const char *pszBaseUrl, const char *pszUserAgent);
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| 136 |
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| 137 | /**
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| 138 | * Destroys a RTS3 interface handle.
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| 139 | *
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| 140 | * @returns iprt status code.
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| 141 | *
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| 142 | * @param hS3 Handle to the RTS3 interface.
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| 143 | */
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| 144 | RTR3DECL(void) RTS3Destroy(RTS3 hS3);
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| 145 |
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| 146 | /**
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| 147 | * Sets an optional progress callback.
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| 148 | *
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| 149 | * This callback function will be called when the completion percentage of an S3
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| 150 | * operation changes.
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| 151 | *
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| 152 | * @returns iprt status code.
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| 153 | *
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| 154 | * @param hS3 Handle to the RTS3 interface.
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| 155 | * @param pfnProgressCB The pointer to the progress function.
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| 156 | * @param pvUser The pvUser arg of FNRTS3PROGRESS.
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| 157 | */
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| 158 | RTR3DECL(void) RTS3SetProgressCallback(RTS3 hS3, PFNRTS3PROGRESS pfnProgressCB, void *pvUser);
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| 159 |
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| 160 | /**
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| 161 | * Gets a list of all available buckets on the S3 storage server.
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| 162 | *
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| 163 | * You have to delete ppBuckets after usage with RTS3BucketsDestroy.
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| 164 | *
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| 165 | * @returns iprt status code.
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| 166 | *
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| 167 | * @param hS3 Handle to the RTS3 interface.
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| 168 | * @param ppBuckets Where to store the pointer to the head of the
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| 169 | * returned bucket list. Consider the entire list
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| 170 | * read-only.
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| 171 | */
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| 172 | RTR3DECL(int) RTS3GetBuckets(RTS3 hS3, PCRTS3BUCKETENTRY *ppBuckets);
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| 173 |
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| 174 | /**
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| 175 | * Destroys the bucket list returned by RTS3GetBuckets.
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| 176 | *
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| 177 | * @returns iprt status code.
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| 178 | *
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| 179 | * @param pBuckets Pointer to the first bucket entry.
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| 180 | */
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| 181 | RTR3DECL(int) RTS3BucketsDestroy(PCRTS3BUCKETENTRY pBuckets);
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| 182 |
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| 183 | /**
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| 184 | * Creates a new bucket on the S3 storage server.
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| 185 | *
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| 186 | * This name have to be unique over all accounts on the S3 storage server.
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| 187 | *
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| 188 | * @returns iprt status code.
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| 189 | *
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| 190 | * @param hS3 Handle to the RTS3 interface.
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| 191 | * @param pszBucketName Name of the new bucket.
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| 192 | */
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| 193 | RTR3DECL(int) RTS3CreateBucket(RTS3 hS3, const char *pszBucketName);
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| 194 |
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| 195 | /**
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| 196 | * Deletes a bucket on the S3 storage server.
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| 197 | *
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| 198 | * The bucket must be empty.
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| 199 | *
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| 200 | * @returns iprt status code.
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| 201 | *
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| 202 | * @param hS3 Handle to the RTS3 interface.
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| 203 | * @param pszBucketName Name of the bucket to delete.
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| 204 | */
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| 205 | RTR3DECL(int) RTS3DeleteBucket(RTS3 hS3, const char *pszBucketName);
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| 206 |
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| 207 | /**
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| 208 | * Gets a list of all available keys in a bucket on the S3 storage server.
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| 209 | *
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| 210 | * You have to delete ppKeys after usage with RTS3KeysDestroy.
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| 211 | *
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| 212 | * @returns iprt status code.
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| 213 | *
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| 214 | * @param hS3 Handle to the RTS3 interface.
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| 215 | * @param pszBucketName Name of the bucket to delete.
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| 216 | * @param ppKeys Where to store the pointer to the head of the
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| 217 | * returned key list. Consider the entire list
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| 218 | * read-only.
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| 219 | */
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| 220 | RTR3DECL(int) RTS3GetBucketKeys(RTS3 hS3, const char *pszBucketName, PCRTS3KEYENTRY *ppKeys);
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| 221 |
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| 222 | /**
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| 223 | * Delete the key list returned by RTS3GetBucketKeys.
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| 224 | *
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| 225 | * @returns iprt status code.
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| 226 | *
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| 227 | * @param pKeys Pointer to the first key entry.
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| 228 | */
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| 229 | RTR3DECL(int) RTS3KeysDestroy(PCRTS3KEYENTRY pKeys);
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| 230 |
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| 231 | /**
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| 232 | * Deletes a key in a bucket on the S3 storage server.
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| 233 | *
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| 234 | * @returns iprt status code.
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| 235 | *
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| 236 | * @param hS3 Handle to the RTS3 interface.
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| 237 | * @param pszBucketName Name of the bucket contains pszKeyName.
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| 238 | * @param pszKeyName Name of the key to delete.
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| 239 | */
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| 240 | RTR3DECL(int) RTS3DeleteKey(RTS3 hS3, const char *pszBucketName, const char *pszKeyName);
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| 241 |
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| 242 | /**
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| 243 | * Downloads a key from a bucket into a file.
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| 244 | *
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| 245 | * The file must not exists.
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| 246 | *
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| 247 | * @returns iprt status code.
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| 248 | *
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| 249 | * @param hS3 Handle to the RTS3 interface.
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| 250 | * @param pszBucketName Name of the bucket that contains pszKeyName.
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| 251 | * @param pszKeyName Name of the key to download.
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| 252 | * @param pszFilename Name of the file to store the downloaded key as.
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| 253 | */
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| 254 | RTR3DECL(int) RTS3GetKey(RTS3 hS3, const char *pszBucketName, const char *pszKeyName, const char *pszFilename);
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| 255 |
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| 256 | /**
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| 257 | * Uploads the content of a file into a key in the specified bucked.
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| 258 | *
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| 259 | * @returns iprt status code.
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| 260 | *
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| 261 | * @param hS3 Handle to the RTS3 interface.
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| 262 | * @param pszBucketName Name of the bucket where the new key should be
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| 263 | * created.
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| 264 | * @param pszKeyName Name of the new key.
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| 265 | * @param pszFilename Name of the file to upload the content of.
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| 266 | */
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| 267 | RTR3DECL(int) RTS3PutKey(RTS3 hS3, const char *pszBucketName, const char *pszKeyName, const char *pszFilename);
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| 268 |
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| 269 | /** @} */
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| 270 |
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| 271 | RT_C_DECLS_END
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| 272 |
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| 273 | #endif
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| 274 |
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