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multipart_upload_libs3.cpp
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multipart_upload_libs3.cpp
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// irods includes
//#include <irods_error.hpp>
//#include <rcMisc.h>
// stdlib includes
#include <sstream>
#include <vector>
#include <string>
#include <ctime>
#include <tuple>
#include <fstream>
#include <thread>
#include <atomic>
#include <mutex>
// boost includes
#include <boost/lexical_cast.hpp>
#include <boost/thread.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/format.hpp>
// system includes
#include <openssl/md5.h>
#include <sys/file.h>
#include <sys/param.h>
#include <errno.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/file.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
// other includes
#include <string.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include <libxml/tree.h>
#include <libs3.h>
#include <openssl/ssl.h>
#include <jansson.h>
#include "circular_buffer.hpp"
// **** just simulate irods::error ****
namespace irods
{
class error {
public:
error() {}
error(bool _status, long long code, std::string _message) {
status = _status;
}
bool ok() const {
return status;
}
private:
bool status;
}; // end class error
} // end namespace irods
const long transfer_buffer_size_for_parallel_transfer_in_megabytes = 4;
thread_local int thread_nbr;
const long long S3_GET_ERROR = 1;
const long long S3_PUT_ERROR = 2;
const long long SYS_MALLOC_ERR = 3;
#define ERROR( code_, message_ ) ( irods::error( false, code_, message_ ) )
#define SUCCESS( ) ( irods::error( true, 0, "" ) )
#define MAX_NAME_LEN (1024+64)
typedef __int64_t rodsLong_t;
// ************************************
bool debug_flag = false;
// individual request
struct upload_page_t {
char *buffer;
size_t buffer_size;
off_t offset_of_buffer; // offset of buffer within the file
bool terminate_flag;
};
std::atomic<unsigned int> current_buffer_counter;
// maps the irods thread number to the reader thread and ring buffer instance
std::map<int, std::thread*> circular_buffer_reader_thread_map;
std::map<int, irods::experimental::circular_buffer<upload_page_t>*> circular_buffer_instance_map;
const size_t S3_DEFAULT_RETRY_WAIT_SEC = 1;
const size_t S3_DEFAULT_RETRY_COUNT = 1;
typedef struct S3Auth {
char accessKeyId[MAX_NAME_LEN];
char secretAccessKey[MAX_NAME_LEN];
} s3Auth_t;
typedef struct s3Stat
{
char key[MAX_NAME_LEN];
rodsLong_t size;
time_t lastModified;
} s3Stat_t;
typedef struct callback_data
{
char *original_bytes_ptr;
char *bytes; // pointer to last entry on circular_buffer
size_t buffer_size;
irods::experimental::circular_buffer<upload_page_t> *circular_buffer_instance_ptr;
rodsLong_t contentLength, originalContentLength;
S3Status status;
int keyCount;
s3Stat_t s3Stat; /* should be a pointer if keyCount > 1 */
S3BucketContext *pCtx; /* To enable more detailed error messages */
} callback_data_t;
typedef struct upload_manager
{
char *upload_id; /* Returned from S3 on MP begin */
char **etags; /* Each upload part's MD5 */
/* Below used for the upload completion command, need to send in XML */
char *xml;
long remaining;
long offset;
S3BucketContext *pCtx; /* To enable more detailed error messages */
S3Status status;
} upload_manager_t;
typedef struct multipart_data
{
int seq; /* Sequence number, i.e. which part */
int mode; /* PUT or COPY */
S3BucketContext *pSrcCtx; /* Source bucket context, ignored in a PUT */
const char *srcKey; /* Source key, ignored in a PUT */
callback_data put_object_data; /* File being uploaded */
upload_manager_t *manager; /* To update w/the MD5 returned */
S3Status status;
bool enable_md5;
bool server_encrypt;
} multipart_data_t;
size_t string_to_size_t(const std::string& str) {
std::stringstream sstream(str);
size_t result;
sstream >> result;
return result;
} // end string_to_size_t
//////////////////////////////////////////////////////////////////////
// s3 specific functionality
static bool S3Initialized = false; // so we only initialize the s3 library once
static boost::mutex g_hostnameIdxLock;
S3ResponseProperties savedProperties;
// just a dummy function for now
std::string get_resource_name() {
return "";
} // end get_resource_name
// Sleep for *at least* the given time, plus some up to 1s additional
// The random addition ensures that threads don't all cluster up and retry
// at the same time (dogpile effect)
void s3_sleep(
int _s,
int _ms ) {
// We're the only user of libc rand(), so if we mutex around calls we can
// use the thread-unsafe rand() safely and randomly...if this is changed
// in the future, need to use rand_r and init a static seed in this function
static boost::mutex randMutex;
randMutex.lock();
int random = rand();
randMutex.unlock();
int addl = (int)(((double)random / (double)RAND_MAX) * 1000.0); // Add up to 1000 ms (1 sec)
useconds_t us = ( _s * 1000000 ) + ( (_ms + addl) * 1000 );
usleep( us );
} // end s3_sleep
// Returns timestamp in usec for delta-t comparisons
static unsigned long long usNow() {
struct timeval tv;
gettimeofday(&tv, NULL);
unsigned long long us = (tv.tv_sec) * 1000000LL + tv.tv_usec;
return us;
} // end usNow
// Return a malloc()'d C string containing the ASCII MD5 signature of the file
// from start through length bytes, using pread to not affect file pointers.
// The returned string needs to be free()d by the caller
static char *s3CalcMD5( int fd, off_t start, off_t length, const std::string& resource_name )
{
char *buff; // Temp buff to do MD5 calc on
unsigned char md5_bin[MD5_DIGEST_LENGTH];
MD5_CTX md5_ctx;
long read;
buff = (char *)malloc( 1024*1024 ); // 1MB chunk reads
if ( buff == NULL ) {
printf( "[resource_name=%s] Out of memory in S3 MD5 calculation, MD5 "
"checksum will NOT be used for upload.\n", resource_name.c_str() );
return NULL;
}
MD5_Init( &md5_ctx );
for ( read=0; (read + 1024*1024) < length; read += 1024*1024 ) {
long ret = pread( fd, buff, 1024*1024, start );
if ( ret != 1024*1024 ) {
printf( "[resource_name=%s] Error during MD5 pread of file, checksum will NOT be used for upload.\n",
resource_name.c_str() );
free( buff );
return NULL;
}
MD5_Update( &md5_ctx, buff, 1024*1024 );
start += 1024 * 1024;
}
// Partial read for the last bit
long ret = pread( fd, buff, length-read, start );
if ( ret != length-read ) {
printf( "[resource_name=%s] Error during MD5 pread of file, checksum will NOT be used for upload.\n",
resource_name.c_str() );
free( buff );
return NULL;
}
MD5_Update( &md5_ctx, buff, length-read );
MD5_Final( md5_bin, &md5_ctx );
free( buff );
// Now we need to do BASE64 encoding of the MD5_BIN
BIO *bmem, *b64;
BUF_MEM *bptr;
b64 = BIO_new(BIO_f_base64());
bmem = BIO_new(BIO_s_mem());
if ( (b64 == NULL) || (bmem == NULL) ) {
printf( "[resource_name=%s] Error during Base64 allocation, checksum will NOT be used for upload.\n",
resource_name.c_str() );
return NULL;
}
b64 = BIO_push(b64, bmem);
BIO_write(b64, md5_bin, MD5_DIGEST_LENGTH);
if (BIO_flush(b64) != 1) {
printf( "[resource_name=%s] Error during Base64 computation, checksum will NOT be used for upload.\n",
resource_name.c_str() );
return NULL;
}
BIO_get_mem_ptr(b64, &bptr);
char *md5_b64 = (char*)malloc( bptr->length );
if ( md5_b64 == NULL ) {
printf( "[resource_name=%s] Error during MD5 allocation, checksum will NOT be used for upload.\n",
resource_name.c_str() );
return NULL;
}
memcpy( md5_b64, bptr->data, bptr->length-1 );
md5_b64[bptr->length-1] = 0; // 0-terminate the string, not done by BIO_*
BIO_free_all(b64);
return md5_b64;
} // end s3CalcMD5
static void StoreAndLogStatus (
S3Status status,
const S3ErrorDetails *error,
const char *function,
const S3BucketContext *pCtx,
S3Status *pStatus )
{
int i;
*pStatus = status;
if( status != S3StatusOK ) {
printf( " S3Status: [%s] - %d\n", S3_get_status_name( status ), (int) status );
printf( " S3Host: %s\n", pCtx->hostName );
}
if (debug_flag) {
if (status != S3StatusOK && function )
printf( " Function: %s\n", function );
if (error && error->message)
printf( " Message: %s\n", error->message);
if (error && error->resource)
printf( " Resource: %s\n", error->resource);
if (error && error->furtherDetails)
printf( " Further Details: %s\n", error->furtherDetails);
if (error && error->extraDetailsCount) {
printf( "%s", " Extra Details:\n");
for (i = 0; i < error->extraDetailsCount; i++) {
printf( " %s: %s\n", error->extraDetails[i].name, error->extraDetails[i].value);
}
}
}
} // end StoreAndLogStatus
void responseCompleteCallback(
S3Status status,
const S3ErrorDetails *error,
void *callbackData)
{
callback_data_t *data = (callback_data_t*)callbackData;
StoreAndLogStatus( status, error, __FUNCTION__, data->pCtx, &(data->status) );
} // end responseCompleteCallback
S3Status responsePropertiesCallback(
const S3ResponseProperties *properties,
void *callbackData)
{
// Here we are saving the only 2 things iRODS actually cares about.
savedProperties.lastModified = properties->lastModified;
savedProperties.contentLength = properties->contentLength;
return S3StatusOK;
} // end responsePropertiesCallback
static int putObjectDataCallback(
int libs3_buffer_size,
char *libs3_buffer,
void *callbackData)
{
// keep reading a bufferSize bytes from buffer.
// if buffer is empty, get another from the circular_buffer
callback_data_t *data = (callback_data_t *) callbackData;
irods::experimental::circular_buffer<upload_page_t> *circular_buffer_instance_ptr =
data->circular_buffer_instance_ptr;
// if we've exhausted our current buffer, read the next buffer from the circular_buffer
while (0 == data->buffer_size) {
upload_page_t page;
circular_buffer_instance_ptr->pop_front(page);
delete[] data->original_bytes_ptr;
// if we get a terminate there are no more bytes to be read
if (page.terminate_flag) {
return 0;
}
data->original_bytes_ptr = data->bytes = page.buffer;
data->buffer_size = page.buffer_size;
}
// bufferSize is the size of *buffer provided by libs3
// data->buffer_size is the size of data->bytes we set up
auto length = libs3_buffer_size > data->buffer_size ? data->buffer_size : libs3_buffer_size;
memcpy(libs3_buffer, data->bytes, length);
data->buffer_size -= length;
data->bytes += length;
return length;
} // end putObjectDataCallback
// Get S3 Signature version from plugin property map
S3SignatureVersion s3GetSignatureVersion ()
{
return S3SignatureV2; // default
} // end s3GetSignatureVersion
std::string global_hostname = "";
std::string s3GetHostname() {
return global_hostname;
} // end s3GetHostname
S3Protocol s3GetProto()
{
return S3ProtocolHTTP;
} // end s3GetProto
bool s3GetEnableMD5 ()
{
return false;
} // end s3GetEnableMD5
bool s3GetEnableMultiPartUpload ()
{
return true;
} // end s3GetEnableMultiPartUpload
static bool s3GetServerEncrypt ()
{
return false;
} // end s3GetServerEncrypt
static boost::mutex g_mrdLock; // Multirange download has a mutex-protected global work queue
static volatile int g_mrdNext = 0;
static int g_mrdLast = -1;
S3STSDate s3GetSTSDate()
{
return S3STSAmzOnly;
} // end s3GetSTSDate
static multipart_data_t *g_mpuData = NULL;
static char *g_mpuUploadId = NULL;
static const char *g_mpuKey = NULL;
static irods::error g_mpuResult; // Last thread error written wins, mutex protected
void print_g_mpuData(int part_cnt) {
if (debug_flag) {
for (int i = 0; i < part_cnt; ++i) {
printf("------ g_mpuData ------\n");
printf("g_mpuData[%d].seq: %d\n", i, g_mpuData[i].seq);
printf("g_mpuData[%d].mode: %d\n", i, g_mpuData[i].mode);
printf("g_mpuData[%d].enable_md5: %d\n", i, g_mpuData[i].enable_md5);
printf("g_mpuData[%d].server_encrypt: %d\n", i, g_mpuData[i].server_encrypt);
if (g_mpuData[i].manager) {
printf("g_mpuData[%d].manager->offset: %ld\n", i, g_mpuData[i].manager->offset);
printf("m_gmpuData[%d].anager->remaining: %ld\n", i, g_mpuData[i].manager->remaining);
}
}
}
} // end print_g_mpuData
int seq; /* Sequence number, i.e. which part */
int mode; /* PUT or COPY */
S3BucketContext *pSrcCtx; /* Source bucket context, ignored in a PUT */
const char *srcKey; /* Source key, ignored in a PUT */
callback_data put_object_data; /* File being uploaded */
upload_manager_t *manager; /* To update w/the MD5 returned */
S3Status status;
bool enable_md5;
bool server_encrypt;
/******************* Multipart Initialization Callbacks *****************************/
/* Captures the upload_id returned and stores it away in our data structure */
static S3Status mpuInitXmlCB (
const char* upload_id,
void *callbackData )
{
upload_manager_t *manager = (upload_manager_t *)callbackData;
manager->upload_id = strdup(upload_id);
return S3StatusOK;
} // end mpuInitXmlCB
static S3Status mpuInitRespPropCB (
const S3ResponseProperties *properties,
void *callbackData)
{
return S3StatusOK;
} // end mpuInitRespPropCB
static void mpuInitRespCompCB (
S3Status status,
const S3ErrorDetails *error,
void *callbackData)
{
upload_manager_t *data = (upload_manager_t*)callbackData;
StoreAndLogStatus( status, error, __FUNCTION__, data->pCtx, &(data->status) );
// Don't change the global error, we may want to retry at a higher level.
// The WorkerThread will note that status!=OK and act appropriately (retry or fail)
} // end mpuInitRespCompCB
/******************* Multipart Put Callbacks *****************************/
/* Upload data from the part, use the plain callback_data reader */
static int mpuPartPutDataCB (
int bufferSize,
char *buffer,
void *callbackData)
{
return putObjectDataCallback( bufferSize, buffer,
&((multipart_data_t*)callbackData)->put_object_data );
} // end mpuPartPutDataCB
static S3Status mpuPartRespPropCB (
const S3ResponseProperties *properties,
void *callbackData)
{
multipart_data_t *data = (multipart_data_t *)callbackData;
int seq = data->seq;
const char *etag = properties->eTag;
if (etag) {
data->manager->etags[seq - 1] = strdup(etag);
} else {
data->manager->etags[seq - 1] = strdup("");
}
return S3StatusOK;
} // end mpuPartRespPropCB
static void mpuPartRespCompCB (
S3Status status,
const S3ErrorDetails *error,
void *callbackData)
{
multipart_data_t *data = (multipart_data_t *)callbackData;
StoreAndLogStatus( status, error, __FUNCTION__, data->put_object_data.pCtx, &(data->status) );
// Don't change the global error, we may want to retry at a higher level.
// The WorkerThread will note that status!=OK and act appropriately (retry or fail)
} // end mpuPartRespCompCB
/******************* Multipart Commit Callbacks *****************************/
/* Uploading the multipart completion XML from our buffer */
static int mpuCommitXmlCB (
int bufferSize,
char *buffer,
void *callbackData )
{
upload_manager_t *manager = (upload_manager_t *)callbackData;
long ret = 0;
if (manager->remaining) {
int toRead = ((manager->remaining > bufferSize) ?
bufferSize : manager->remaining);
memcpy(buffer, manager->xml+manager->offset, toRead);
ret = toRead;
}
manager->remaining -= ret;
manager->offset += ret;
return (int)ret;
} // end mpuCommitXmlCB
static S3Status mpuCommitRespPropCB (
const S3ResponseProperties *properties,
void *callbackData)
{
return S3StatusOK;
} // end mpuCommitRespPropCB
static void mpuCommitRespCompCB (
S3Status status,
const S3ErrorDetails *error,
void *callbackData)
{
upload_manager_t *data = (upload_manager_t*)callbackData;
StoreAndLogStatus( status, error, __FUNCTION__, data->pCtx, &(data->status) );
// Don't change the global error, we may want to retry at a higher level.
// The WorkerThread will note that status!=OK and act appropriately (retry or fail)
} // end mpuCommitRespCompCB
static S3Status mpuCancelRespPropCB (
const S3ResponseProperties *properties,
void *callbackData)
{
return S3StatusOK;
} // mpuCancelRespPropCB
// S3_abort_multipart_upload() does not allow a callbackData parameter, so pass the
// final operation status using this global.
static S3Status g_mpuCancelRespCompCB_status = S3StatusOK;
static S3BucketContext *g_mpuCancelRespCompCB_pCtx = NULL;
static void mpuCancelRespCompCB (
S3Status status,
const S3ErrorDetails *error,
void *callbackData)
{
S3Status *pStatus = (S3Status*)&g_mpuCancelRespCompCB_status;
StoreAndLogStatus( status, error, __FUNCTION__, g_mpuCancelRespCompCB_pCtx, pStatus );
// Don't change the global error, we may want to retry at a higher level.
// The WorkerThread will note that status!=OK and act appropriately (retry or fail)
} // end mpuCancelRespCompCB
static void mpuCancel( S3BucketContext *bucketContext, const char *key, const char *upload_id)
{
S3AbortMultipartUploadHandler abortHandler = { { mpuCancelRespPropCB, mpuCancelRespCompCB } };
std::stringstream msg;
S3Status status;
std::string resource_name = get_resource_name();
if (debug_flag) {
msg << "[resource_name=" << resource_name << "] " << "Cancelling multipart upload: key=\""
<< key << "\", upload_id=\"" << upload_id << "\"";
printf( "%s\n", msg.str().c_str() );
}
g_mpuCancelRespCompCB_status = S3StatusOK;
g_mpuCancelRespCompCB_pCtx = bucketContext;
S3_abort_multipart_upload(bucketContext, key, upload_id, &abortHandler);
status = g_mpuCancelRespCompCB_status;
if (status != S3StatusOK) {
msg.str( std::string() ); // Clear
msg << "[resource_name=" << resource_name << "] " << __FUNCTION__
<< " - Error cancelling the multipart upload of S3 object: \"" << key << "\"";
if (status >= 0) {
msg << " - \"" << S3_get_status_name(status) << "\"";
}
printf( "%s:%d (%s) [thread=%d] %s\n", __FILE__, __LINE__, __FUNCTION__, thread_nbr, msg.str().c_str() );
}
} // end mpuCancel
/* Multipart worker thread, grabs a job from the queue and uploads it */
static void mpuWorkerThread(void *bucketContextParam, int thread_number, int thread_count, size_t file_size)
{
thread_nbr = thread_number;
S3BucketContext bucketContext = *((S3BucketContext*)bucketContextParam);
irods::experimental::circular_buffer<upload_page_t> *circular_buffer_instance_ptr = nullptr;
circular_buffer_instance_ptr = circular_buffer_instance_map[thread_number];
int seq = thread_number + 1;
upload_page_t page;
// read the first page
if (debug_flag) {
printf("%s:%d (%s) [thread=%d] waiting to read [seq=%d]\n", __FILE__, __LINE__, __FUNCTION__, thread_number, seq);
}
circular_buffer_instance_ptr->pop_front(page);
if (debug_flag) {
printf("%s:%d (%s) [thread=%d] read page [buffer=%p][buffer_size=%zu][terminate_flag=%d][offset=%ld]\n",
__FILE__, __LINE__, __FUNCTION__, thread_number, page.buffer, page.buffer_size, page.terminate_flag, page.offset_of_buffer);
}
std::string resource_name = get_resource_name();
irods::error result;
std::stringstream msg;
S3PutObjectHandler putObjectHandler = { {mpuPartRespPropCB, mpuPartRespCompCB }, &mpuPartPutDataCB };
size_t retry_count_limit = S3_DEFAULT_RETRY_COUNT;
size_t retry_wait = S3_DEFAULT_RETRY_WAIT_SEC;
multipart_data_t partData{};
size_t retry_cnt = 0;
do {
// Work on a local copy of the structure in case an error occurs in the middle
// of an upload. If we updated in-place, on a retry the part would start
// at the wrong offset and length.
partData = g_mpuData[thread_number];
partData.seq = seq;
partData.put_object_data.pCtx = &bucketContext;
partData.put_object_data.original_bytes_ptr = partData.put_object_data.bytes = page.buffer;
partData.put_object_data.buffer_size = page.buffer_size;
partData.put_object_data.circular_buffer_instance_ptr = circular_buffer_instance_ptr;
// Each part is floor(file_size/thread_count) long. The last thread has the extra bytes.
if (thread_number == thread_count -1) {
partData.put_object_data.contentLength = file_size - (thread_count-1) * (file_size / thread_count);
} else {
partData.put_object_data.contentLength = file_size / thread_count;
}
if (debug_flag) {
msg.str( std::string() ); // Clear
msg << "Multipart: Start part " << (int)seq << ", key \"" << g_mpuKey << "\", uploadid \"" << g_mpuUploadId <<
", len " << (int)partData.put_object_data.contentLength;
printf( "%s:%d (%s) [thread=%u] %s\n", __FILE__, __LINE__, __FUNCTION__, thread_number, msg.str().c_str() );
msg.str( std::string() ); // Clear
}
S3PutProperties *putProps = NULL;
putProps = (S3PutProperties*)calloc( sizeof(S3PutProperties), 1 );
putProps->md5 = nullptr;
if ( putProps && partData.enable_md5 ) {
// jjames - not sure how to do MD5 piecewise
//putProps->md5 = s3CalcMD5( partData.put_object_data.fd, partData.put_object_data.offset, partData.put_object_data.contentLength, resource_name );
}
putProps->expires = -1;
unsigned long long usStart = usNow();
std::string hostname = s3GetHostname();
bucketContext.hostName = hostname.c_str();
if (debug_flag) {
printf("%s:%d (%s) [thread=%d] S3_upload_part (ctx, key, props, handler, %d, uploadId, %ld, 0, partData)\n",
__FILE__, __LINE__, __FUNCTION__, thread_number, seq, partData.put_object_data.contentLength);
}
S3_upload_part(&bucketContext, g_mpuKey, putProps, &putObjectHandler, seq, g_mpuUploadId,
partData.put_object_data.contentLength, 0, &partData);
if (debug_flag) {
printf("%s:%d (%s) [thread=%d] S3_upload_part returned\n", __FILE__, __LINE__, __FUNCTION__, thread_number);
}
unsigned long long usEnd = usNow();
double bw = (g_mpuData[seq-1].put_object_data.contentLength / (1024.0 * 1024.0)) / ( (usEnd - usStart) / 1000000.0 );
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) free( (char*)putProps->md5 );
free( putProps );
}
if (debug_flag) {
msg << "Multipart: -- END -- BW=" << bw << " MB/s";
printf( "%s:%d (%s) [thread=%u] %s\n", __FILE__, __LINE__, __FUNCTION__, thread_number, msg.str().c_str() );
}
if (partData.status != S3StatusOK) s3_sleep( retry_wait, 0 );
} while ((partData.status != S3StatusOK) && S3_status_is_retryable(partData.status) && (++retry_cnt < retry_count_limit));
if (partData.status != S3StatusOK) {
msg.str( std::string() ); // Clear
msg << "[resource_name=" << resource_name << "] " << __FUNCTION__ << " - Error putting the S3 object: \""
<< g_mpuKey << "\"" << " part " << seq;
if(partData.status >= 0) {
msg << " - \"" << S3_get_status_name(partData.status) << "\"";
}
result = ERROR( S3_PUT_ERROR, msg.str() );
printf( "%s:%d (%s) [thread=%u] %s\n", __FILE__, __LINE__, __FUNCTION__, thread_number, msg.str().c_str() );
g_mpuResult = result;
}
} // end mpuWorkerThread
irods::error initialize_multipart_upload(
const std::string& _filename,
const std::string& _object_key,
size_t _fileSize,
size_t thread_count,
const std::string& _key_id,
const std::string& _access_key,
const std::string& _bucket,
upload_manager_t& manager,
S3BucketContext& bucketContext,
S3PutProperties*& putProps
)
{
irods::error result = SUCCESS();
irods::error ret;
int cache_fd = -1;
int err_status = 0;
size_t retry_cnt = 0;
bool enable_md5 = s3GetEnableMD5 ();
bool server_encrypt = s3GetServerEncrypt ();
std::stringstream msg;
std::string resource_name = get_resource_name();
size_t retry_count_limit = S3_DEFAULT_RETRY_COUNT;
size_t retry_wait = S3_DEFAULT_RETRY_WAIT_SEC;
callback_data_t data;
bzero (&bucketContext, sizeof (bucketContext));
bucketContext.bucketName = _bucket.c_str();
bucketContext.protocol = s3GetProto();
bucketContext.stsDate = s3GetSTSDate();
bucketContext.uriStyle = S3UriStylePath;
bucketContext.accessKeyId = _key_id.c_str();
bucketContext.secretAccessKey = _access_key.c_str();
putProps = (S3PutProperties*)calloc( sizeof(S3PutProperties), 1 );
putProps->md5 = nullptr;
if ( putProps && enable_md5 )
putProps->md5 = s3CalcMD5( cache_fd, 0, _fileSize, get_resource_name() );
if ( putProps && server_encrypt )
putProps->useServerSideEncryption = true;
putProps->expires = -1;
// Multi-part upload or copy
memset(&manager, 0, sizeof(manager));
manager.upload_id = NULL;
manager.remaining = 0;
manager.offset = 0;
manager.xml = NULL;
g_mpuResult = SUCCESS();
msg.str( std::string() ); // Clear
long seq;
size_t total_parts = thread_count;
multipart_data_t partData;
int partContentLength = 0;
bzero (&data, sizeof (data));
data.contentLength = data.originalContentLength = _fileSize;
// Allocate all dynamic storage now, so we don't start a job we can't finish later
manager.etags = (char**)calloc(sizeof(char*) * total_parts, 1);
if (!manager.etags) {
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) free( (char*)putProps->md5 );
free( putProps );
}
std::string msg = boost::str(boost::format("[resource_name=%s] Out of memory error in "
"S3 multipart ETags allocation.") % resource_name.c_str());
printf( "%s\n", msg.c_str() );
result = ERROR( SYS_MALLOC_ERR, msg.c_str() );
return result;
}
g_mpuData = (multipart_data_t*)calloc(total_parts, sizeof(multipart_data_t));
if (!g_mpuData) {
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) free( (char*)putProps->md5 );
free( putProps );
}
free(manager.etags);
std::string msg = boost::str(boost::format("[resource_name=%s] Out of memory error in "
"S3 multipart g_mupData allocation.") % resource_name.c_str());
printf( "%s\n", msg.c_str() );
result = ERROR( SYS_MALLOC_ERR, msg.c_str() );
return result;
}
// Maximum XML completion length with extra space for the <complete...></complete...> tag
manager.xml = (char *)malloc((total_parts+2) * 256);
if (manager.xml == NULL) {
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) free( (char*)putProps->md5 );
free( putProps );
}
free(g_mpuData);
free(manager.etags);
std::string msg = boost::str(boost::format("[resource_name=%s] Out of memory error in "
"S3 multiparts XML allocation.") % resource_name.c_str());
printf( "%s\n", msg.c_str() );
result = ERROR( SYS_MALLOC_ERR, msg.c_str() );
return result;
}
retry_cnt = 0;
// These expect a upload_manager_t* as cbdata
S3MultipartInitialHandler mpuInitialHandler = { {mpuInitRespPropCB, mpuInitRespCompCB }, mpuInitXmlCB };
do {
std::string hostname = s3GetHostname();
bucketContext.hostName = hostname.c_str();
manager.pCtx = &bucketContext;
S3_initiate_multipart(&bucketContext, _object_key.c_str(), putProps, &mpuInitialHandler, NULL, &manager);
if (manager.status != S3StatusOK) s3_sleep( retry_wait, 0 );
} while ( (manager.status != S3StatusOK) && S3_status_is_retryable(manager.status) && ( ++retry_cnt < retry_count_limit));
if (manager.upload_id == NULL || manager.status != S3StatusOK) {
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) free( (char*)putProps->md5 );
free( putProps );
}
msg.str( std::string() ); // Clear
msg << "[resource_name=" << resource_name << "] " << __FUNCTION__
<< " - Error initiating multipart upload of the S3 object: \"" << _object_key << "\"";
if(manager.status >= 0) {
msg << " - \"" << S3_get_status_name(manager.status) << "\"";
}
printf( "%s\n", msg.str().c_str() );
result = ERROR( S3_PUT_ERROR, msg.str() );
return result; // Abort early
}
g_mpuUploadId = manager.upload_id;
g_mpuKey = _object_key.c_str();
for(seq = 1; seq <= total_parts; seq ++) {
memset(&partData, 0, sizeof(partData));
partData.manager = &manager;
partData.seq = seq;
partData.put_object_data = data;
partData.enable_md5 = s3GetEnableMD5();
partData.server_encrypt = s3GetServerEncrypt();
g_mpuData[seq-1] = partData;
data.contentLength -= partContentLength;
}
unsigned long long usStart = usNow();
manager.remaining = 0;
manager.offset = 0;
return result;
} // end initialize_multipart_upload
irods::error complete_multipart_upload(
const std::string& _object_key,
const int totalSeq,
S3BucketContext& bucketContext,
upload_manager_t& manager,
S3PutProperties*& putProps)
{
irods::error result = SUCCESS();
std::stringstream msg;
unsigned int retry_cnt = 0;
size_t retry_wait = S3_DEFAULT_RETRY_WAIT_SEC;
size_t retry_count_limit = S3_DEFAULT_RETRY_COUNT;
if (g_mpuResult.ok()) { // If someone aborted, don't complete...
if (debug_flag) {
msg.str( std::string() ); // Clear
msg << "Multipart: Completing key \"" << _object_key.c_str() << "\"";
printf( "%s\n", msg.str().c_str() );
}
int i;
strcpy(manager.xml, "<CompleteMultipartUpload>\n");
manager.remaining = strlen(manager.xml);
char buf[256];
int n;
for ( i = 0; i < totalSeq; i++ ) {
n = snprintf( buf, 256, "<Part><PartNumber>%d</PartNumber><ETag>%s</ETag></Part>\n", i + 1, manager.etags[i] );
strcpy( manager.xml+manager.remaining, buf );
manager.remaining += n;
}
strcat( manager.xml + manager.remaining, "</CompleteMultipartUpload>\n" );
manager.remaining += strlen( manager.xml+manager.remaining );
int manager_remaining = manager.remaining;
manager.offset = 0;
retry_cnt = 0;
S3MultipartCommitHandler commit_handler = { {mpuCommitRespPropCB, mpuCommitRespCompCB }, mpuCommitXmlCB, NULL };
do {
// On partial error, need to restart XML send from the beginning
manager.remaining = manager_remaining;
manager.offset = 0;
std::string hostname = s3GetHostname();
bucketContext.hostName = hostname.c_str();
manager.pCtx = &bucketContext;
S3_complete_multipart_upload(&bucketContext, _object_key.c_str(), &commit_handler, manager.upload_id,
manager.remaining, NULL, &manager);
if (debug_flag) {
printf("%s:%d (%s) [manager.status=%s]\n", __FILE__, __LINE__, __FUNCTION__, S3_get_status_name(manager.status));
}
if (manager.status != S3StatusOK) s3_sleep( retry_wait, 0 );
} while ((manager.status != S3StatusOK) && S3_status_is_retryable(manager.status) && ( ++retry_cnt < retry_count_limit));
if (manager.status != S3StatusOK) {
msg.str( std::string() ); // Clear
msg << __FUNCTION__ << " - Error putting the S3 object: \"" << _object_key << "\"";
if(manager.status >= 0) {
msg << " - \"" << S3_get_status_name( manager.status ) << "\"";
}
g_mpuResult = ERROR( S3_PUT_ERROR, msg.str() );
}
}
if ( !g_mpuResult.ok() && manager.upload_id ) {
// Someone aborted after we started, delete the partial object on S3
printf("Cancelling multipart upload\n");
mpuCancel( &bucketContext, _object_key.c_str(), manager.upload_id);
// Return the error
result = g_mpuResult;
}
// Clean up memory
if (manager.xml) free(manager.xml);
if (manager.upload_id) free(manager.upload_id);
for (int i=0; manager.etags && i<totalSeq; i++) {
if (manager.etags[i]) free(manager.etags[i]);
}
if (manager.etags) free(manager.etags);
if (g_mpuData) free(g_mpuData);
// Clear up the S3PutProperties, if it exists
if (putProps) {
if (putProps->md5) {
//free( (char*)putProps->md5 );
}
free( putProps );
}
return result;
} // end complete_multipart_upload
// s3FileWrite just adds to ring buffer and starts a new reader thread if one does not exist
void s3FileWrite(char *buffer, size_t buffer_size, off_t offset, S3BucketContext *bucket_context_ptr,
int thread_number, int thread_count, size_t file_size) {
if (debug_flag) {
printf("%s:%d (%s) [thread=%u] [buffer_size=%zu][offset=%ld]\n",
__FILE__, __LINE__, __FUNCTION__, thread_number, buffer_size, offset);
}
// We must copy the buffer because it will persist after s3FileWrite returns.
// Not sure when iRODS would delete it.
char *copied_buffer = new char[buffer_size];
memcpy(copied_buffer, buffer, buffer_size);
// TODO move this to start
irods::experimental::circular_buffer<upload_page_t> *circular_buffer_instance_ptr =
circular_buffer_instance_ptr = circular_buffer_instance_map[thread_number];
// blocks until it can write to buffer, returns immediately once written
if (debug_flag) {
printf("%s:%d (%s) [thread=%u] about to write to circular_buffer\n",
__FILE__, __LINE__, __FUNCTION__, thread_number);
}
circular_buffer_instance_ptr->push_back({copied_buffer, buffer_size, offset, false});
if (debug_flag) {
printf("%s:%d (%s) [thread=%u] wrote to circular_buffer\n",
__FILE__, __LINE__, __FUNCTION__, thread_number);
}
} // end s3FileWrite
// emulates the irods behavior of taking an existing list of character buffers and sending them to the plugin