int __s3fs_remove_object(const char *bucketName, const char *key) {
S3_init();
S3BucketContext bucketContext =
{
0,
bucketName,
protocolG,
uriStyleG,
accessKeyIdG,
secretAccessKeyG
};
S3ResponseHandler responseHandler =
{
0,
&responseCompleteCallback
};
do {
S3_delete_object(&bucketContext, key, 0, &responseHandler, 0);
} while (S3_status_is_retryable(statusG) && should_retry());
int result = statusG == S3StatusOK ? 0 : -1;
if ((statusG != S3StatusOK) &&
(statusG != S3StatusErrorPreconditionFailed)) {
printError();
}
S3_deinitialize();
return result;
}
static int get_s3_object(char *objectName,
get_object_callback_data *data,
S3GetObjectHandler *getObjectHandler){
assert(objectName && data && getObjectHandler);
memset(data, 0, sizeof(get_object_callback_data));
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, objectName);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
data->buffer_offset = 0;
data->buffer = NULL;
double before_s3_get = ct_now();
int retry_count = RETRYCOUNT;
do {
S3_get_object(&localbucketContext, objectName, NULL, 0, 0, NULL, getObjectHandler, data);
} while (S3_status_is_retryable(data->status) && should_retry(&retry_count));
CT_TRACE("S3 get of %s took %fs", objectName, ct_now() - before_s3_get);
if (data->buffer == NULL) {
return -ENOMEM;
}
if (data->status != S3StatusOK) {
CT_ERROR(-EIO, "S3Error %s", S3_get_status_name(data->status));
return -EIO;
}
double before_checksum = ct_now();
unsigned char md5[MD5_DIGEST_LENGTH];
char md5_s[MD5_ASCII];
MD5_CTX mdContext;
MD5_Init (&mdContext);
MD5_Update (&mdContext, data->buffer, data->contentLength);
MD5_Final (md5, &mdContext);
int i;
for(i = 0; i < MD5_DIGEST_LENGTH; i++){
sprintf(&md5_s[i*2], "%02x", md5[i]);
}
if(strcmp(md5_s, data->md5) != 0){
CT_ERROR(-EIO, "Bad MD5 checksum for %s, computed %s, expected %s",
objectName, md5_s, data->md5);
return -EIO;
}
CT_TRACE("Checksum of %s took %fs", objectName, ct_now() - before_checksum);
return 0;
}
ssize_t __s3fs_get_object(const char *bucketName, const char *key, uint8_t **buf,
ssize_t start_byte, ssize_t byte_count) {
int64_t ifModifiedSince = -1, ifNotModifiedSince = -1;
const char *ifMatch = 0, *ifNotMatch = 0;
uint64_t startByte = start_byte, byteCount = byte_count;
S3_init();
struct get_callback_data get_context;
get_context.buf = NULL;
get_context.bytes_read = 0;
S3BucketContext bucketContext =
{
0,
bucketName,
protocolG,
uriStyleG,
accessKeyIdG,
secretAccessKeyG
};
S3GetConditions getConditions =
{
ifModifiedSince,
ifNotModifiedSince,
ifMatch,
ifNotMatch
};
S3GetObjectHandler getObjectHandler =
{
{ &responsePropertiesCallback, &responseCompleteCallback },
&getObjectDataCallback
};
do {
S3_get_object(&bucketContext, key, &getConditions, startByte,
byteCount, 0, &getObjectHandler, &get_context);
} while (S3_status_is_retryable(statusG) && should_retry());
ssize_t status = get_context.bytes_read;
if (statusG != S3StatusOK) {
status = -1;
if (get_context.buf) {
free (get_context.buf);
}
printError();
} else {
*buf = get_context.buf;
}
S3_deinitialize();
return status;
}
void list_bucket(const char *bucketName, const char *prefix,
const char *marker, const char *delimiter,
int maxkeys, const char* ak, const char* sk)
{
S3_init();
savedCommonPrefixes.clear();
savedContents.clear();
savedKeys.clear();
S3BucketContext bucketContext =
{
0,
bucketName,
S3ProtocolHTTPS,
S3UriStyleVirtualHost,
ak,
sk
};
S3ListBucketHandler listBucketHandler =
{
{ &responsePropertiesCallback, &responseCompleteCallback },
&listBucketCallback
};
list_bucket_callback_data data;
snprintf(data.nextMarker, sizeof(data.nextMarker), "%s", marker);
data.keyCount = 0;
data.allDetails = 0;
do {
data.isTruncated = 0;
do {
S3_list_bucket(&bucketContext, prefix, data.nextMarker,
delimiter, maxkeys, 0, &listBucketHandler, &data);
} while (S3_status_is_retryable((S3Status)statusG) && should_retry());
if (statusG != S3StatusOK) {
break;
}
} while (data.isTruncated && (!maxkeys || (data.keyCount < maxkeys)));
if (statusG == S3StatusOK) {
// if (!data.keyCount) {
// printListBucketHeader(allDetails);
// }
}
else {
printError();
}
S3_deinitialize();
}
int __s3fs_test_bucket(const char *bucketName)
{
S3_init();
S3ResponseHandler responseHandler =
{
&responsePropertiesCallback, &responseCompleteCallback
};
char locationConstraint[64];
do {
S3_test_bucket(protocolG, uriStyleG, accessKeyIdG, secretAccessKeyG,
0, bucketName, sizeof(locationConstraint),
locationConstraint, 0, &responseHandler, 0);
} while (S3_status_is_retryable(statusG) && should_retry());
const char *reason = "Unknown";
int result = statusG == S3StatusOK ? 1 : 0;
switch (statusG) {
case S3StatusOK:
// bucket exists
reason = locationConstraint[0] ? locationConstraint : "USA";
break;
case S3StatusErrorNoSuchBucket:
reason = "Does Not Exist";
break;
case S3StatusErrorAccessDenied:
reason = "Access Denied";
break;
default:
break;
}
fprintf(stderr, "S3 test_bucket: %s\n", reason);
S3_deinitialize();
return result;
}
static int bucket_exists(char *bname){
s3_init();
if (! load_settings()){
printf("Configure your ~/.webdir-settings file!\n");
exit(1);
}
char skey[STR];
get_secret_key(skey);
char akey[STR];
get_access_key(akey);
char hostname[STR];
get_host(hostname);
S3ResponseHandler res_handler = {
&res_properties, &res_complete/* Can properties be null?*/
};
char loc_constraint[STR];
do {
S3_test_bucket(S3ProtocolHTTPS,
S3UriStylePath,
akey,
skey,
hostname,
bname,
sizeof(loc_constraint),
loc_constraint,
0,
&res_handler,
0);
} while (S3_status_is_retryable(RequestStatus) && should_retry());
S3_deinitialize();
return RequestStatus == S3StatusOK; // Bucket exists
}
ssize_t __s3fs_put_object(const char *bucketName, const char *key, const uint8_t *buf, ssize_t contentLength)
{
const char *cacheControl = 0, *contentType = 0, *md5 = 0;
const char *contentDispositionFilename = 0, *contentEncoding = 0;
int64_t expires = -1;
S3CannedAcl cannedAcl = S3CannedAclPrivate;
int metaPropertiesCount = 0;
S3NameValue metaProperties[S3_MAX_METADATA_COUNT];
int noStatus = 0;
put_object_callback_data data;
memset(&data, 0, sizeof(put_object_callback_data));
data.data = buf;
// data.gb = 0;
data.noStatus = noStatus;
data.contentLength = data.originalContentLength = contentLength;
S3_init();
S3BucketContext bucketContext =
{
0,
bucketName,
protocolG,
uriStyleG,
accessKeyIdG,
secretAccessKeyG
};
S3PutProperties putProperties =
{
contentType,
md5,
cacheControl,
contentDispositionFilename,
contentEncoding,
expires,
cannedAcl,
metaPropertiesCount,
metaProperties
};
S3PutObjectHandler putObjectHandler =
{
{ &responsePropertiesCallback, &responseCompleteCallback },
&putObjectDataCallback
};
do {
S3_put_object(&bucketContext, key, contentLength, &putProperties, 0,
&putObjectHandler, &data);
} while (S3_status_is_retryable(statusG) && should_retry());
int result = data.written;
if (statusG != S3StatusOK) {
printError();
result = -1;
}
else if (data.contentLength) {
fprintf(stderr, "\nERROR: Failed to read remaining %llu bytes from "
"input\n", (unsigned long long) data.contentLength);
}
S3_deinitialize();
return result;
}
int __s3fs_clear_bucket(const char *bucketName) {
S3_init();
const char *prefix = 0, *marker = 0, *delimiter = 0;
int maxkeys = 0, allDetails = 0;
S3BucketContext bucketContext =
{
0,
bucketName,
protocolG,
uriStyleG,
accessKeyIdG,
secretAccessKeyG
};
S3ListBucketHandler listBucketHandler =
{
{ &responsePropertiesCallback, &responseCompleteCallback },
&traverseBucketCallback
};
traverse_bucket_callback_data data;
snprintf(data.nextMarker, sizeof(data.nextMarker), "%s", marker);
data.keyCount = 0;
data.keylist = NULL;
data.allDetails = allDetails;
do {
data.isTruncated = 0;
do {
S3_list_bucket(&bucketContext, prefix, data.nextMarker,
delimiter, maxkeys, 0, &listBucketHandler, &data);
} while (S3_status_is_retryable(statusG) && should_retry());
if (statusG != S3StatusOK) {
break;
}
} while (data.isTruncated && (!maxkeys || (data.keyCount < maxkeys)));
int rv = statusG == S3StatusOK ? 0 : -1;
S3_deinitialize();
struct node *klist = data.keylist;
// try to remove objects
if (rv == 0) {
while (klist) {
struct node *el = klist;
int thisrv = __s3fs_remove_object(bucketName, el->key);
if (thisrv < 0) {
rv = -1;
}
klist = klist->next;
}
}
// free keylist
klist = data.keylist;
while (klist) {
struct node *el = klist;
klist = klist->next;
free(el->key);
free(el);
}
return rv;
}
static int ct_restore_data(struct hsm_copyaction_private *hcp, const char *src,
const char *dst, int dst_fd,
const struct hsm_action_item *hai, long hal_flags)
{
struct hsm_extent he;
__u64 file_offset = hai->hai_extent.offset;
struct stat dst_st;
__u64 write_total = 0;
__u64 length = hai->hai_extent.length;
time_t last_report_time;
time_t now;
int rc = 0;
double start_ct_now = ct_now();
// Restore a file from the object store back to Lustre
CT_TRACE("Restoring %s to %s", src, dst);
if (fstat(dst_fd, &dst_st) < 0) {
rc = -errno;
CT_ERROR(rc, "cannot stat '%s'", dst);
return rc;
}
if (!S_ISREG(dst_st.st_mode)) {
rc = -EINVAL;
CT_ERROR(rc, "'%s' is not a regular file", dst);
return rc;
}
he.offset = file_offset;
he.length = 0;
rc = llapi_hsm_action_progress(hcp, &he, length, 0);
if (rc < 0) {
/* Action has been canceled or something wrong
* is happening. Stop copying data. */
CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
src, dst);
goto out;
}
errno = 0;
last_report_time = time(NULL);
long long int object_chunk_size = chunk_size; // will be assigned the correct value based on the metadata
do {
// Downloading from the object store
char src_chunk_s[S3_MAX_KEY_SIZE];
S3GetObjectHandler getObjectHandler =
{
getResponseHandler,
&getObjectDataCallback
};
if (length == -1) {
// Discover length and chunk size from the first object's metadata
snprintf(src_chunk_s, sizeof(src_chunk_s), "%s.0", src);
if (file_offset == 0) {
// Download data and metadata from the first chunk
get_object_callback_data data;
rc = get_s3_object(src_chunk_s, &data, &getObjectHandler);
if(rc < 0){
goto out;
}
length = data.totalLength;
object_chunk_size = data.chunk_size;
char *uncompress_buf = NULL;
uncompress_buf = malloc(object_chunk_size);
if (uncompress_buf == NULL) {
rc = -ENOMEM;
goto out;
}
double before_decompression = ct_now();
int decompressed_size = LZ4_decompress_safe(data.buffer, uncompress_buf, data.contentLength, object_chunk_size);
if (decompressed_size < 0) {
rc = -1;
CT_ERROR(rc, "Decompression error");
goto out;
}
CT_TRACE("Decompressing a chunk from %s of %llu bytes took %fs and the uncompressed size is %i bytes",
src, data.contentLength, ct_now() - before_decompression, decompressed_size);
double before_lustre_write = ct_now();
pwrite(dst_fd, uncompress_buf, decompressed_size, file_offset);
CT_TRACE("Writing a chunk from %s of %llu bytes offset %llu to lustre took %fs",
src_chunk_s, object_chunk_size, file_offset, ct_now() - before_lustre_write);
if (uncompress_buf != NULL)
free(uncompress_buf);
if (data.buffer != NULL)
free(data.buffer);
write_total = decompressed_size;
file_offset += decompressed_size;
he.offset = file_offset;
he.length = data.contentLength;
rc = llapi_hsm_action_progress(hcp, &he, length, 0);
if (rc < 0) {
/* Action has been canceled or something wrong
* is happening. Stop copying data. */
CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
src, dst);
goto out;
}
if (write_total == length) {
// Completed the full write with the first object
rc = 0;
break;
}
}
else {
// Only make a head request to get the metadata of the first object
get_object_callback_data data;
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, src_chunk_s);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
int retry_count = RETRYCOUNT;
do {
S3_head_object(&localbucketContext, src_chunk_s, NULL, &headResponseHandler, &data);
} while (S3_status_is_retryable(data.status) && should_retry(&retry_count));
if (data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(data.status));
goto out;
}
object_chunk_size = data.chunk_size;
length = data.totalLength;
}
}
else {
snprintf(src_chunk_s, sizeof(src_chunk_s), "%s.%llu", src, file_offset / object_chunk_size);
long long unsigned int chunk;
if (length - write_total > object_chunk_size) {
// upper bound is the chunk_size
chunk = object_chunk_size;
}
else {
// limited by the file
chunk = length - write_total;
}
get_object_callback_data data;
rc = get_s3_object(src_chunk_s, &data, &getObjectHandler);
if(rc < 0){
goto out;
}
char *uncompress_buf = NULL;
uncompress_buf = malloc(object_chunk_size);
if (uncompress_buf == NULL) {
rc = -ENOMEM;
goto out;
}
double before_decompression = ct_now();
int decompressed_size = LZ4_decompress_safe(data.buffer, uncompress_buf, data.contentLength, object_chunk_size);
if (decompressed_size < 0) {
rc = -1;
CT_ERROR(rc, "Decompression error");
goto out;
}
CT_TRACE("Decompressing a chunk from %s of %llu bytes took %fs and the uncompressed size is %i",
src, data.contentLength, ct_now() - before_decompression, decompressed_size);
double before_lustre_write = ct_now();
pwrite(dst_fd, uncompress_buf, decompressed_size, file_offset);
CT_TRACE("Writing a chunk from %s of %llu bytes offset %llu to lustre took %fs",
src_chunk_s, chunk, file_offset, ct_now() - before_lustre_write);
if (uncompress_buf != NULL)
free(uncompress_buf);
if (data.buffer != NULL)
free(data.buffer);
now = time(NULL);
if (now >= last_report_time + ct_opt.o_report_int) {
last_report_time = now;
CT_TRACE("sending progress report for restoring %s", src);
rc = llapi_hsm_action_progress(hcp, &he, length, 0);
if (rc < 0) {
/* Action has been canceled or something wrong
* is happening. Stop copying data. */
CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
src, dst);
goto out;
}
}
write_total += decompressed_size;
file_offset += decompressed_size;
}
rc = 0;
} while (file_offset < length);
if (hai->hai_action == HSMA_RESTORE) {
/*
* truncate restored file
* size is taken from the archive this is done to support
* restore after a force release which leaves the file with the
* wrong size (can big bigger than the new size)
* make sure the file is on disk before reporting success.
*/
rc = ftruncate(dst_fd, length);
if (rc < 0) {
rc = -errno;
CT_ERROR(rc, "cannot truncate '%s' to size %llu",
dst, length);
err_major++;
}
}
out:
CT_TRACE("copied "LPU64" bytes in %f seconds",
length, ct_now() - start_ct_now);
return rc;
}
static int ct_archive_data(struct hsm_copyaction_private *hcp, const char *src,
const char *dst, int src_fd,
const struct hsm_action_item *hai, long hal_flags)
{
struct hsm_extent he;
__u64 file_offset = hai->hai_extent.offset;
struct stat src_st;
char *uncompress_buf = NULL;
char *compress_buf = NULL;
__u64 write_total = 0;
__u64 length = hai->hai_extent.length;
time_t last_report_time;
int rc = 0;
double start_ct_now = ct_now();
time_t now;
int compression_bound = LZ4_compressBound(chunk_size);
// Archiving a file from Lustre to the object store
CT_TRACE("Archiving %s to %s", src, dst);
if (fstat(src_fd, &src_st) < 0) {
rc = -errno;
CT_ERROR(rc, "cannot stat '%s'", src);
return rc;
}
if (!S_ISREG(src_st.st_mode)) {
rc = -EINVAL;
CT_ERROR(rc, "'%s' is not a regular file", src);
return rc;
}
if (hai->hai_extent.offset > (__u64)src_st.st_size) {
rc = -EINVAL;
CT_ERROR(rc, "Trying to start reading past end ("LPU64" > "
"%jd) of '%s' source file", hai->hai_extent.offset,
(intmax_t)src_st.st_size, src);
return rc;
}
strippingInfo stripping_params;
stripping_params.lmm_stripe_count = 1;
stripping_params.lmm_stripe_size = ONE_MB;
if (ct_save_stripe(src_fd, src, &stripping_params)) {
return -1;
}
/* Don't read beyond a given extent */
if (length > src_st.st_size - hai->hai_extent.offset)
length = src_st.st_size - hai->hai_extent.offset;
last_report_time = time(NULL);
he.offset = file_offset;
he.length = 0;
rc = llapi_hsm_action_progress(hcp, &he, length, 0);
if (rc < 0) {
/* Action has been canceled or something wrong
* is happening. Stop copying data. */
CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
src, dst);
goto out;
}
errno = 0;
uncompress_buf = malloc(chunk_size);
if (uncompress_buf == NULL) {
rc = -ENOMEM;
goto out;
}
compress_buf = malloc(compression_bound);
if (compress_buf == NULL) {
rc = -ENOMEM;
goto out;
}
int chunk_id = -1;
const char totalLength[] = "totallength";
const char chunksize[] = "chunksize";
const char stripe_size[] = "stripesize";
const char stripe_count[] = "stripecount";
const char path[] = "path";
const char uid[] = "uid";
const char gid[] = "gid";
char totalLength_s[TOTALLENGTH];
char chunksize_s[TOTALLENGTH];
char stripe_size_s[TOTALLENGTH];
char stripe_count_s[TOTALLENGTH];
char path_s[PATH_MAX];
char uid_s[TOTALLENGTH];
char gid_s[TOTALLENGTH];
snprintf(totalLength_s, sizeof(totalLength_s), "%llu", length);
snprintf(chunksize_s, sizeof(chunksize_s), "%i", chunk_size);
snprintf(stripe_size_s, sizeof(stripe_size_s), "%i", stripping_params.lmm_stripe_size);
snprintf(stripe_count_s, sizeof(stripe_count_s), "%i", stripping_params.lmm_stripe_count);
snprintf(path_s, sizeof(path_s), "%s", src); // FIXME should use fid2path to get the normal path
snprintf(uid_s, sizeof(uid_s), "%i", src_st.st_uid);
snprintf(gid_s, sizeof(gid_s), "%i", src_st.st_gid);
// Saving some metadata for disaster recovery
S3NameValue metadata[7] =
{
{
totalLength,
totalLength_s,
},
{
chunksize,
chunksize_s,
},
{
stripe_size,
stripe_size_s,
},
{
stripe_count,
stripe_count_s,
},
{
path,
path_s
},
{
uid,
uid_s
},
{
gid,
gid_s
}
};
S3PutProperties putProperties =
{
// application/x-lz4 does not officially exist
"application/x-lz4", // contentType
NULL, // md5
NULL, // cacheControl
NULL, // contentDispositionFilename
NULL, // contentEncoding
-1, // expires
0, // cannedAcl
sizeof(metadata) / sizeof(S3NameValue), // metaDataCount
metadata, // S3NameValue *metaData
0, // useServerSideEncryption
};
do {
// Uploading to object store
if (chunk_id == -1) {
CT_TRACE("start copy of "LPU64" bytes from '%s' to '%s'",
length, src, dst);
}
// size of the current chunk, limited by chunk_size
long long unsigned int chunk;
if (length - write_total > chunk_size) {
// upper bound is the chunk_size
chunk = chunk_size;
}
else {
// limited by the file
chunk = length - write_total;
}
chunk_id = file_offset / chunk_size;
put_object_callback_data data;
data.buffer_offset = 0;
double before_lustre_read = ct_now();
pread(src_fd, uncompress_buf, chunk, file_offset);
CT_TRACE("Reading a chunk from %s of %llu bytes offset %llu from lustre took %fs",
src, chunk, file_offset, ct_now() - before_lustre_read);
double before_compression = ct_now();
int compressed_size = LZ4_compress_default(uncompress_buf, compress_buf, chunk, compression_bound);
CT_TRACE("Compressing a chunk from %s took %fs and the compressed size is %i bytes",
src, ct_now() - before_compression, compressed_size);
if (compressed_size <= 0) {
rc = -1;
CT_ERROR(rc, "Compression error");
goto out;
}
data.contentLength = compressed_size;
data.buffer = compress_buf;
S3PutObjectHandler putObjectHandler =
{
putResponseHandler,
&putObjectDataCallback
};
char dst_chunk_s[S3_MAX_KEY_SIZE];
snprintf(dst_chunk_s, sizeof(dst_chunk_s), "%s.%i", dst, chunk_id);
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, dst_chunk_s);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
double before_s3_put = ct_now();
int retry_count = RETRYCOUNT;
do {
S3_put_object(&localbucketContext, dst_chunk_s, compressed_size, &putProperties, NULL, &putObjectHandler, &data);
} while (S3_status_is_retryable(data.status) && should_retry(&retry_count));
CT_TRACE("S3 put of %s took %fs",
dst_chunk_s, ct_now() - before_s3_put);
if (data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(data.status));
goto out;
}
he.offset = file_offset;
he.length = chunk;
now = time(NULL);
if (now >= last_report_time + ct_opt.o_report_int) {
last_report_time = now;
CT_TRACE("sending progress report for archiving %s", src);
rc = llapi_hsm_action_progress(hcp, &he, length, 0);
if (rc < 0) {
/* Action has been canceled or something wrong
* is happening. Stop copying data. */
CT_ERROR(rc, "progress ioctl for copy '%s'->'%s' failed",
src, dst);
goto out;
}
}
write_total += chunk;
file_offset += chunk;
} while (file_offset < length);
rc = 0;
// We need to delete every chunk of higher chunk_id if they
// exists, this can happen if the new file is smaller
// TODO only delete objects if this is a dirty write
chunk_id += 1;
do {
char dst_s[S3_MAX_KEY_SIZE];
int retry_count;
snprintf(dst_s, sizeof(dst_s), "%s.%i", dst, chunk_id);
get_object_callback_data head_data;
get_object_callback_data delete_data;
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, dst_s);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
CT_TRACE("Checking if chunk %i exists", chunk_id);
retry_count = RETRYCOUNT;
do {
S3_head_object(&localbucketContext, dst_s, NULL, &headResponseHandler, &head_data);
} while (S3_status_is_retryable(head_data.status) && should_retry(&retry_count));
if (head_data.status == S3StatusHttpErrorNotFound) {
// Object do not exist, this mean we stop deleting chunks
CT_TRACE("Chunk %i do not exists", chunk_id);
break;
}
if (head_data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(head_data.status));
goto out;
}
CT_TRACE("Deleting chunk %i", chunk_id);
retry_count = RETRYCOUNT;
do {
S3_delete_object(&localbucketContext, dst_s, NULL, &deleteResponseHandler, &delete_data);
} while (S3_status_is_retryable(delete_data.status) && should_retry(&retry_count));
if (delete_data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(delete_data.status));
goto out;
}
chunk_id++;
} while (true);
out:
if (uncompress_buf != NULL)
free(uncompress_buf);
if (compress_buf != NULL)
free(compress_buf);
CT_TRACE("copied "LPU64" bytes in %f seconds",
length, ct_now() - start_ct_now);
return rc;
}
int ct_remove(const struct hsm_action_item *hai, const long hal_flags)
{
struct hsm_copyaction_private *hcp = NULL;
char dst[PATH_MAX];
int rc;
int retry_count;
char dst_s[S3_MAX_KEY_SIZE];
rc = ct_begin(&hcp, hai);
if (rc < 0)
goto end_ct_remove;
ct_path_archive(dst, sizeof(dst), &hai->hai_fid);
CT_TRACE("removing file '%s'", dst);
if (ct_opt.o_dry_run) {
rc = 0;
goto end_ct_remove;
}
// Get the metadata from the first object to get the number of chunks
get_object_callback_data data;
snprintf(dst_s, sizeof(dst_s), "%s.0", dst);
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, dst_s);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
retry_count = RETRYCOUNT;
do {
S3_head_object(&localbucketContext, dst_s, NULL, &headResponseHandler, &data);
} while (S3_status_is_retryable(data.status) && should_retry(&retry_count));
if (data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(data.status));
goto end_ct_remove;
}
int chunk;
for (chunk = data.totalLength / data.chunk_size; chunk >= 0; chunk--) {
snprintf(dst_s, sizeof(dst_s), "%s.%i", dst, chunk);
get_object_callback_data delete_data;
CT_TRACE("Deleting chunk '%s'", dst_s);
char bucket_name[S3_MAX_BUCKET_NAME_SIZE];
getBucketName(sizeof(bucket_name), bucket_name, dst_s);
// Get a local copy of the general bucketContext than overwrite the
// pointer to the bucket_name
S3BucketContext localbucketContext;
memcpy(&localbucketContext, &bucketContext, sizeof(S3BucketContext));
localbucketContext.bucketName = bucket_name;
retry_count = RETRYCOUNT;
do {
S3_delete_object(&localbucketContext, dst_s, NULL, &deleteResponseHandler, &delete_data);
} while (S3_status_is_retryable(delete_data.status) && should_retry(&retry_count));
if (delete_data.status != S3StatusOK) {
rc = -EIO;
CT_ERROR(rc, "S3Error %s", S3_get_status_name(delete_data.status));
goto end_ct_remove;
}
}
rc = 0;
end_ct_remove:
rc = ct_action_done(&hcp, hai, 0, rc);
return rc;
}
int
AsyncPutHandler::handle_exception(ACE_HANDLE fd)
{
S3Status st = status();
// Was this a successful completion?
if (st == S3StatusOK)
{
LOG(lgr, 6, (void *) this << ' '
<< keystr(m_keydata, m_keysize) << " SUCCESS");
// Update the blockstore accounting.
m_s3bs.update_put_stats(this);
// Call the completion handler.
m_cmpl.bp_complete(m_keydata, m_keysize, m_argp);
// IMPORTANT - We get destructed here; Don't touch *anything*
// after this!
//
m_s3bs.remove_handler(this);
}
// Retryable failure?
else if (S3_status_is_retryable(st))
{
if (--m_retries > 0)
{
LOG(lgr, 5, (void *) this << ' '
<< keystr(m_keydata, m_keysize) << ": " << st << ": RETRY");
rh_reset(); // Reset our state.
m_s3bs.initiate_put(this);
// This path doesn't destroy the handler ...
}
else
{
LOG(lgr, 2, (void *) this << ' '
<< keystr(m_keydata, m_keysize) << ": " << st
<< " TOO MANY RETRIES");
ostringstream errstrm;
errstrm << FILELINE << "too many S3 retries";
InternalError ex(errstrm.str().c_str());
m_cmpl.bp_error(m_keydata, m_keysize, m_argp, ex);
// IMPORTANT - We get destructed here; Don't touch *anything*
// after this!
//
m_s3bs.remove_handler(this);
}
}
// Permanent failure ... bitter ...
else
{
// Call the error handler.
ostringstream errstrm;
LOG(lgr, 2, (void *) this << ' '
<< keystr(m_keydata, m_keysize) << " UNEXPECTED: " << st);
errstrm << FILELINE << "unexpected S3 error: " << st;
InternalError ex(errstrm.str().c_str());
m_cmpl.bp_error(m_keydata, m_keysize, m_argp, ex);
// IMPORTANT - We get destructed here; Don't touch *anything*
// after this!
//
m_s3bs.remove_handler(this);
}
return 0;
}