~drizzle-trunk/drizzle/development

#ifdef NOT_USED_IN_ANY_THING

/* Copyright (c) 2008 PrimeBase Technologies GmbH, Germany

 *

 * PrimeBase Media Stream for MySQL

 *

 * This program 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; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 *

 * Barry Leslie

 *

 * 2007-11-25

 *

 * H&G2JCtL

 *

 */

#include "cslib/CSConfig.h"

#include "cslib/CSGlobal.h"

#include "cslib/CSLog.h"

#include "cslib/CSStrUtil.h"

#include "cslib/CSHTTPStream.h"

#include "cslib/CSStream.h"

#include "repository_ms.h"

#include "open_table_ms.h"

#include "mysql_ms.h"

//-----------------------------------------------------------------------------------------------

void PBMSGetError(void *v_bs_thread, PBMSResultPtr result)

{

	CSThread *ms_thread = (CSThread*)v_bs_thread;

	ASSERT(ms_thread);

	memset(result, 0, sizeof(PBMSResultRec));

	result->mr_code =  ms_thread->myException.getErrorCode();

	cs_strcpy(MS_RESULT_MESSAGE_SIZE, result->mr_message,  ms_thread->myException.getMessage());

}

//-----------------------------------------------------------------------------------------------

void *PBMSInitBlobStreamingThread(char *thread_name, PBMSResultPtr result)

{

	CSThread *ms_thread =  new CSThread( NULL);

	if (!ms_thread) {

		memset(result, 0, sizeof(PBMSResultRec));

		result->mr_code = ENOMEM;

		cs_strcpy(MS_RESULT_MESSAGE_SIZE, result->mr_message, "CSThread::newThread() failed.");

		return NULL; 

	}

	ms_thread->pbms_api_owner = true;

	if (!CSThread::attach(ms_thread)) {

		memset(result, 0, sizeof(PBMSResultRec));

		result->mr_code =  ms_thread->myException.getErrorCode();

		cs_strcpy(MS_RESULT_MESSAGE_SIZE, result->mr_message,  ms_thread->myException.getMessage());

		ms_thread->release();

		ms_thread = NULL;

	} else

		ms_thread->threadName = CSString::newString(thread_name);

	return ms_thread;

}

//-----------------------------------------------------------------------------------------------

void PBMSDeinitBlobStreamingThread(void *v_bs_thread)

{

	CSThread *ms_thread = (CSThread*)v_bs_thread;

	ASSERT(ms_thread);

	CSThread::detach(ms_thread);

	// ms_thread->release(); Don't do this. Ownership of the thread is passed to the attach call so the thread is released when it is detached.

}

//-----------------------------------------------------------------------------------------------

bool PBMSCreateBlob(PBMSBlobIDPtr blob_id, char *database_name, uint64_t size)

{

	MSOpenTable *otab = NULL;

	CSString *iTableURI =  NULL;

	CSString *CSContenttype = NULL;

	bool done_ok = true;

	enter_();

	try_(a) {

		otab = MSTableList::getOpenTableForDB(MSDatabase::getDatabaseID(database_name, false));

		otab->createBlob(blob_id, size, NULL, 0);

	}

	catch_(a) {

		done_ok = false;

	}

	cont_(a);

	exit:

	if (otab)

		otab->returnToPool();

	if (CSContenttype)

		CSContenttype->release();

	if (iTableURI)

		iTableURI->release();

	return_(done_ok);

}

//-----------------------------------------------------------------------------------------------

bool PBMSWriteBlob(PBMSBlobIDPtr blob_id, char *data, size_t size, size_t offset)

{

	MSOpenTable *otab;

	MSRepoFile	*repo_file;

	bool done_ok = true;

	enter_();

	try_(a) {

		if (!(otab = MSTableList::getOpenTableForDB(blob_id->bi_db_id))) {

			char buffer[CS_EXC_MESSAGE_SIZE];

			char id_str[12];

			snprintf(id_str, 12, "%"PRIu32"", blob_id->bi_db_id);

			cs_strcpy(CS_EXC_MESSAGE_SIZE, buffer, "Unknown database id #  ");

			cs_strcat(CS_EXC_MESSAGE_SIZE, buffer, id_str);

			CSException::throwException(CS_CONTEXT, MS_ERR_UNKNOWN_DB, buffer);

		}

		frompool_(otab);

		repo_file = otab->getDB()->getRepoFileFromPool( blob_id->bi_tab_id, false);

		frompool_(repo_file);

		// It is assumed that at this point the blob is a repository blob and so the 

		// blob_id->bi_blob_id is actually the repository blob offset. 

		repo_file->writeBlobChunk(blob_id, blob_id->bi_blob_id, offset, size, data);

		backtopool_(repo_file);

		backtopool_(otab);

	}

	catch_(a) {

		done_ok = false;

	}

	cont_(a);

	return_(done_ok);

}

//-----------------------------------------------------------------------------------------------

bool PBMSReadBlob(PBMSBlobIDPtr blob_id, char *buffer, size_t *size, size_t offset)

{

	MSOpenTable *otab;

	MSRepoFile	*repo_file;

	bool done_ok = true, is_repository_blob;

	enter_();

	is_repository_blob = (blob_id->bi_blob_type == MS_URL_TYPE_REPO);

	try_(a) {

		if (!(otab = MSTableList::getOpenTableByID(blob_id->bi_db_id, blob_id->bi_tab_id))) {

			char buffer[CS_EXC_MESSAGE_SIZE];

			char id_str[12];

			cs_strcpy(CS_EXC_MESSAGE_SIZE, buffer, "Unknown database: ID # ");

			snprintf(id_str, 12, "%"PRIu32"", blob_id->bi_db_id);

			cs_strcat(CS_EXC_MESSAGE_SIZE, buffer, id_str);

			cs_strcpy(CS_EXC_MESSAGE_SIZE, buffer, " or table: ID #");

			snprintf(id_str, 12, "%"PRIu32"", blob_id->bi_tab_id);

			cs_strcat(CS_EXC_MESSAGE_SIZE, buffer, id_str);

			CSException::throwException(CS_CONTEXT, MS_ERR_UNKNOWN_DB, buffer);

		}

		uint32_t repo_id;

		uint64_t rep_offset;

		frompool_(otab);

		if (is_repository_blob) {

			repo_id = blob_id->bi_tab_id;

			rep_offset = blob_id->bi_blob_id;

		} else {

			uint64_t blob_size;

			uint16_t header_size; 

			otab->getDBTable()->readBlobHandle(otab, blob_id->bi_blob_id, &(blob_id->bi_auth_code), &repo_id, &rep_offset, &blob_size, &header_size, true);

		}

		repo_file = otab->getDB()->getRepoFileFromPool( repo_id, false);

		frompool_(repo_file);

		*size = repo_file->readBlobChunk(blob_id, rep_offset, offset, *size, buffer);

		backtopool_(repo_file);

		backtopool_(otab);

	}

	catch_(a) {

		done_ok = false;

	}

	cont_(a);

	return_(done_ok);

}

//-----------------------------------------------------------------------------------------------

bool PBMSIDToURL(PBMSBlobIDPtr blob_id, PBMSBlobURLPtr url)

{	

	MSBlobURL ms_blob;

	ms_blob.bu_db_id = blob_id->bi_db_id;

	ms_blob.bu_blob_id = blob_id->bi_blob_id;

	ms_blob.bu_blob_ref_id = blob_id->bi_blob_ref_id;

	ms_blob.bu_tab_id = blob_id->bi_tab_id;

	ms_blob.bu_auth_code = blob_id->bi_auth_code;

	ms_blob.bu_type = blob_id->bi_blob_type;

	ms_blob.bu_blob_size = blob_id->bi_blob_size; 

	ms_blob.bu_server_id = ms_my_get_server_id();

	PBMSBlobURLTools::buildBlobURL(&ms_blob, url);

	return true;

}

//-----------------------------------------------------------------------------------------------

bool PBMSURLToID(char *url, PBMSBlobIDPtr blob_id)

{	

	MSBlobURL ms_blob;

	bool done_ok = true;

	enter_();

	try_(a) {

		if (!PBMSBlobURLTools::couldBeURL(url, &ms_blob)){

			char buffer[CS_EXC_MESSAGE_SIZE];

			cs_strcpy(CS_EXC_MESSAGE_SIZE, buffer, "Incorrect URL: ");

			cs_strcat(CS_EXC_MESSAGE_SIZE, buffer, url);

			CSException::throwException(CS_CONTEXT, MS_ERR_INCORRECT_URL, buffer);

		}

		blob_id->bi_db_id = ms_blob.bu_db_id;

		blob_id->bi_blob_id = ms_blob.bu_blob_id;

		blob_id->bi_blob_ref_id = ms_blob.bu_blob_ref_id;

		blob_id->bi_tab_id = ms_blob.bu_tab_id;

		blob_id->bi_auth_code = ms_blob.bu_auth_code;

		blob_id->bi_blob_type = ms_blob.bu_type;

		blob_id->bi_blob_size = ms_blob.bu_blob_size; 

	}

	catch_(a) {

		done_ok = false;

	}

	cont_(a);

	return_(done_ok);

}

#endif // NOT_USED_IN_ANY_THING