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/*
* Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _MTP_CMD_HANDLER_H_
#define _MTP_CMD_HANDLER_H_
#include "mtp_object.h"
#include "mtp_device.h"
#include "ptp_container.h"
#include "mtp_event_handler.h"
#ifdef MTP_SUPPORT_PRINT_COMMAND
#define MTP_MAX_CMD_LENGTH 40
#endif /* MTP_SUPPORT_PRINT_COMMAND */
/*
* A structure for containing the object infomation. It is used for saving
* information in between paired operations like send_obj_info
* and send_object.
* @see obj_info
*/
typedef struct {
mtp_uint32 store_id; /* The storage ID. */
mtp_uint32 h_parent; /* Handle of the parent object */
/* Reserved Handle for the incoming object. */
mtp_uint32 obj_handle;
/* Indicates if the ObjectInfo dataset is valid. */
mtp_bool is_valid;
mtp_bool is_data_sent; /* Indicates whether data was actually sent */
mtp_uint64 file_size;
mtp_obj_t *obj; /* Object containing info for SendObject */
} data_4send_object_t;
/*
* A structure for handling the operations of the MTP protocol.
* It is the main driving structure behind the MTP protocol handling. The
* MTP device contains device information and other data buffers.
*
* @see mtp_device
* @see cmd_blk_t
* @see data4_send_obj
*/
typedef struct {
cmd_container_t usb_cmd; /* A USB command container block. */
/* Data saved during paired operations: SendObjectInfo/SendObject. */
data_4send_object_t data4_send_obj;
mtp_uint32 session_id; /* Current session ID. */
mtp_uint32 last_opcode; /* Current transaction ID. */
mtp_uint16 last_fmt_code; /* Last Format Code */
} mtp_handler_t;
typedef struct {
mtp_uint32 recent_tid;
mtp_uint32 cur_index;
mtp_uint32 mod;
} wmp_meta_info_t;
/*
* This structure specifies the buffer of Mtp.
*/
typedef struct {
mtp_char cmd_buf[MTP_MAX_CMD_BLOCK_SIZE];
mtp_char header_buf[MTP_USB_HEADER_LENGTH];
mtp_uint32 cmd_size;
mtp_uint32 data_size;
mtp_uint32 data_count;
FILE* fhandle; /* for temporary mtp file */
mtp_char *filepath;
mtp_uint32 file_size;
mtp_uint32 size_remaining;
/* PC-> Device file transfer user space buffering till 512K*/
mtp_char *temp_buff;
} temp_file_struct_t;
typedef struct {
temp_file_struct_t ftemp_st;
mtp_handler_t hdlr;
wmp_meta_info_t meta_info;
} mtp_mgr_t;
void _cmd_hdlr_reset_cmd(mtp_handler_t *hdlr);
mtp_bool _cmd_hdlr_send_response(mtp_handler_t *hdlr, mtp_uint16 resp,
mtp_uint32 num_param, mtp_uint32 *params);
mtp_bool _cmd_hdlr_send_response_code(mtp_handler_t *hdlr, mtp_uint16 resp);
void _receive_mq_data_cb(mtp_char *buffer, mtp_int32 buf_len);
#endif /* _MTP_CMD_HANDLER_H_ */
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