#if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO 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 DOUBANGO.
 *
 */
 
 /**@file tmsrp_data.c
  * @brief MSRP input/output data.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango.org>
  *
 
  */
 #include "tinymsrp/session/tmsrp_data.h"
 
 #include "tinymsrp/session/tmsrp_config.h"
 
 #include "tinymsrp/parsers/tmsrp_parser_message.h"
 
 #include "tsk_string.h"
 #include "tsk_memory.h"
 #include "tsk_debug.h"
 
 #include <stdio.h> /* fopen, fclose ... */
 
 #define TMSRP_DATA_IN_MAX_BUFFER 0xFFFFFF
 
 tmsrp_data_in_t* tmsrp_data_in_create()
 {
 	return tsk_object_new(tmsrp_data_in_def_t);
 }
 
 tmsrp_data_out_t* _tmsrp_data_out_create(const void* pdata, tsk_size_t size, tsk_bool_t isfilepath)
 {
 	return tsk_object_new(tmsrp_data_out_def_t, pdata, size, isfilepath);
 }
 
 tmsrp_data_out_t* tmsrp_data_out_create(const void* pdata, tsk_size_t size)
 { 
 	return _tmsrp_data_out_create(pdata, size, tsk_false);
 }
 
 tmsrp_data_out_t* tmsrp_data_out_file_create(const char* filepath)
 {
 	return _tmsrp_data_out_create(filepath, tsk_strlen(filepath), tsk_true);
 }
 
 
 /* =========================== Common ============================= */
 static int tmsrp_data_deinit(tmsrp_data_t* self)
 {
 	if(!self){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 
 	TSK_FREE(self->id);
 	TSK_FREE(self->ctype);
 	TSK_FREE(self->wctype);
 
 	return 0;
 }
 
 
 
 
 
 
 
 /* =========================== Incoming ============================= */
 
 int tmsrp_data_in_put(tmsrp_data_in_t* self, const void* pdata, tsk_size_t size)
 {
 	int ret = -1;
 	
 	if(!self || !self->buffer || !pdata || !size){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return ret;
 	}
 
 	if((ret = tsk_buffer_append(self->buffer, pdata, size))){
 		TSK_DEBUG_ERROR("Failed to append data");
 		tsk_buffer_cleanup(self->buffer);
 		return ret;
 	}
 	else{
 		if(TSK_BUFFER_SIZE(self->buffer) > TMSRP_DATA_IN_MAX_BUFFER){
 			tsk_buffer_cleanup(self->buffer);
 			TSK_DEBUG_ERROR("Too many bytes are waiting.");
 			return -3;
 		}
 	}
 
 	return ret;
 }
 
 tmsrp_message_t* tmsrp_data_in_get(tmsrp_data_in_t* self)
 {
 	tmsrp_message_t* ret;
 	tsk_size_t msg_size;
 
 	if(!self || !self->buffer || !TSK_BUFFER_DATA(self->buffer) || !TSK_BUFFER_SIZE(self->buffer)){
 		//...this is not an error
 		return tsk_null;
 	}
 
 	if((ret = tmsrp_message_parse_2(self->buffer->data, self->buffer->size, &msg_size))){
 		tsk_buffer_remove(self->buffer, 0, msg_size);
 		return ret;
 	}
 
 	return tsk_null;
 }
 
 
 /* =========================== Outgoing ============================= */
 
 tsk_buffer_t* tmsrp_data_out_get(tmsrp_data_out_t* self)
 {
 	tsk_buffer_t* ret = tsk_null;
 	tsk_size_t toread;
 
 	if(!self){
 		return tsk_null;
 	}
 	
 	if(!(toread = self->size > TMSRP_MAX_CHUNK_SIZE ? TMSRP_MAX_CHUNK_SIZE : self->size)){
 		return tsk_null;
 	}
 
 	if(self->message){
 		ret = tsk_buffer_create(TSK_BUFFER_DATA(self->message), toread);
 		tsk_buffer_remove(self->message, 0, toread);
 		self->size = self->message->size;
 	}
 	else if(self->file){
 		// Buffer hack
 		tsk_size_t read;
 		ret = tsk_buffer_create_null();
 		#if HAVE_CRT //Debug memory
 		ret->data = calloc(toread, sizeof(uint8_t));
 		
 	#else
 		ret->data = tsk_calloc(toread, sizeof(uint8_t));
 		
 	#endif //HAVE_CRT
 		ret->size = toread;
 		if((read = (tsk_size_t)fread(ret->data, sizeof(uint8_t), toread, self->file)) == toread){
 			self->size -= toread;
 		}
 		else{
 			TSK_OBJECT_SAFE_FREE(ret);
 		}
 	}
 	
 
 	return ret;
 }
 
 
 
 
 
 
 
 
 //=================================================================================================
 //	MSRP incoming data object definition
 //
 static void* tmsrp_data_in_ctor(tsk_object_t * self, va_list * app)
 {
 	tmsrp_data_in_t *data_in = self;
 	if(data_in){
 		data_in->buffer = tsk_buffer_create_null();
 	}
 	return self;
 }
 
 static void* tmsrp_data_in_dtor(tsk_object_t * self)
 { 
 	tmsrp_data_in_t *data_in = self;
 	if(data_in){
 		tmsrp_data_deinit(TMSRP_DATA(data_in));
 		TSK_OBJECT_SAFE_FREE(data_in->buffer);
 	}
 
 	return self;
 }
 
 static const tsk_object_def_t tmsrp_data_in_def_s = 
 {
 	sizeof(tmsrp_data_in_t),
 	tmsrp_data_in_ctor,
 	tmsrp_data_in_dtor,
 	tsk_null, 
 };
 const tsk_object_def_t *tmsrp_data_in_def_t = &tmsrp_data_in_def_s;
 
 //=================================================================================================
 //	MSRP outgoing data object definition
 //
 static void* tmsrp_data_out_ctor(tsk_object_t * self, va_list * app)
 {
 	tmsrp_data_out_t *data_out = self;
 	if(data_out){
 		tsk_istr_t id;
 		const void* pdata = va_arg(*app, const void*);
 		tsk_size_t size = va_arg(*app, tsk_size_t);
 		tsk_bool_t isfilepath = va_arg(*app, tsk_bool_t);
 		
 		if(isfilepath){
 			if((data_out->file = fopen((const char*)pdata, "rb"))){
 				int ret;
 				if((ret = fseek(data_out->file, 0L, SEEK_END))){
 					TSK_DEBUG_ERROR("fseek for file:[%s] failed with error code %d.", (const char*)pdata, ret);
 					TMSRP_DATA(data_out)->isOK = tsk_false;
 				}
 				else{
 					data_out->size = ftell(data_out->file);
 					if((ret = fseek(data_out->file, 0L, SEEK_SET))){
 						TSK_DEBUG_ERROR("fseek for file:[%s] failed with error code %d.", (const char*)pdata, ret);
 						TMSRP_DATA(data_out)->isOK = tsk_false;
 					}
 					else{
 						TMSRP_DATA(data_out)->isOK = tsk_true;
 					}
 				}
 			}
 			else{
 				TSK_DEBUG_ERROR("Failed to open(rb) this file:[%s]", (const char*)pdata);
 				TMSRP_DATA(data_out)->isOK = tsk_false;
 			}
 		}
 		else{
 			if((data_out->message = tsk_buffer_create(pdata, size))){
 				TMSRP_DATA(data_out)->isOK = (data_out->message->size == size);
 				data_out->size = data_out->message->size;
 			}
 		}
 		
 		// content type
 		TMSRP_DATA(data_out)->ctype = tsk_strdup("application/octet-stream");
 		TMSRP_DATA(data_out)->wctype = tsk_strdup("text/plain");
 		// random id
 		tsk_strrandom(&id);
 		TMSRP_DATA(data_out)->id = tsk_strdup(id);
 	}
 	return self;
 }
 
 static void* tmsrp_data_out_dtor(tsk_object_t * self)
 { 
 	tmsrp_data_out_t *data_out = self;
 	if(data_out){
 		tmsrp_data_deinit(TMSRP_DATA(data_out));
 		TSK_OBJECT_SAFE_FREE(data_out->message);
 		
 		if(data_out->file){
 			fclose(data_out->file);
 			data_out->file = tsk_null;
 		}
 	}
 
 	return self;
 }
 
 static const tsk_object_def_t tmsrp_data_out_def_s = 
 {
 	sizeof(tmsrp_data_out_t),
 	tmsrp_data_out_ctor,
 	tmsrp_data_out_dtor,
 	tsk_null, 
 };
 const tsk_object_def_t *tmsrp_data_out_def_t = &tmsrp_data_out_def_s;