doubango/tinyBFCP/include/tinybfcp/tbfcp_pkt.h
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 /*
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 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)
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 * 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.
 *
 */
 #ifndef TBFCP_PKT_H
 #define TBFCP_PKT_H
 
 #include "tinybfcp_config.h"
 #include "tinybfcp/tbfcp_types.h"
 #include "tinybfcp/tbfcp_attr.h"
 
 #include "tsk_object.h"
 #include "tsk_list.h"
 
 TBFCP_BEGIN_DECLS
 
 #if !defined(TBFCP_PKT_HDR_SIZE_IN_OCTETS)
 #	define TBFCP_PKT_HDR_SIZE_IN_OCTETS 12
 #endif /* TBFCP_PKT_HDR_SIZE_IN_OCTETS */
 
 typedef tsk_list_t tbfcp_pkts_L_t;
 typedef struct tbfcp_pkt_s {
     TSK_DECLARE_OBJECT;
 
     struct {
         // rfc4582 - 5.1.  COMMON-HEADER Format
         unsigned ver:3;
         unsigned reserved:5;
         enum tbfcp_primitive_e primitive; // 8bits
         uint16_t pay_len; // 16bits: the length of the message in 4-octet units, excluding the common header
         uint32_t conf_id;
         uint16_t transac_id;
         uint16_t user_id;
     } hdr;
     int (*f_add_attr)(struct tbfcp_pkt_s* p_self, struct tbfcp_attr_s** pp_attr);
     tbfcp_attrs_L_t *p_list_attrs;
 }
 tbfcp_pkt_t;
 #define TBFCP_DECLARE_PKT struct tbfcp_pkt_s __base__
 #define TBFCP_PKT(p_self) ((struct tbfcp_pkt_s*)(p_self))
 TINYBFCP_API int tbfcp_pkt_add_attr(struct tbfcp_pkt_s* p_self, struct tbfcp_attr_s** pp_attr);
 TINYBFCP_API int tbfcp_pkt_create_empty(enum tbfcp_primitive_e primitive, struct tbfcp_pkt_s** pp_self);
 TINYBFCP_API int tbfcp_pkt_create(enum tbfcp_primitive_e primitive, uint32_t conf_id, uint16_t transac_id, uint16_t user_id, struct tbfcp_pkt_s** pp_self);
 TINYBFCP_API int tbfcp_pkt_get_size_in_octetunits_without_padding(const struct tbfcp_pkt_s* pc_self, tsk_size_t* p_size);
 TINYBFCP_API int tbfcp_pkt_get_size_in_octetunits_with_padding(const struct tbfcp_pkt_s* pc_self, tsk_size_t* p_size);
 TINYBFCP_API int tbfcp_pkt_write_with_padding(const struct tbfcp_pkt_s* pc_self, uint8_t* p_buff_ptr, tsk_size_t n_buff_size, tsk_size_t *p_written);
 TINYBFCP_API int tbfcp_pkt_is_complete(const uint8_t* pc_buff_ptr, tsk_size_t n_buff_size, tsk_bool_t *pb_is_complete);
 TINYBFCP_API int tbfcp_pkt_read(const uint8_t* pc_buff_ptr, tsk_size_t n_buff_size, struct tbfcp_pkt_s** pp_pkt);
 TINYBFCP_API int tbfcp_pkt_attr_find_at(const struct tbfcp_pkt_s* pc_self, enum tbfcp_attribute_format_e e_format, tsk_size_t u_index, const struct tbfcp_attr_s** ppc_attr);
 #define tbfcp_pkt_attr_find_first(pc_self, e_format, ppc_attr) tbfcp_pkt_attr_find_at(pc_self, e_format, 0, ppc_attr)
 
 /***** rfc4582 - 5.3.1.  FloorRequest *****/
 #define tbfcp_pkt_create_FloorRequest(conf_id, transac_id, user_id, pp_self) tbfcp_pkt_create(tbfcp_primitive_FloorRequest, (conf_id), (transac_id), (user_id), (pp_self))
 #define tbfcp_pkt_create_empty_FloorRequest(p_self) tbfcp_pkt_create_empty(TBFCP_PKT(p_self), tbfcp_primitive_FloorRequest)
 TINYBFCP_API int tbfcp_pkt_create_FloorRequest_2(uint32_t conf_id, uint16_t transac_id, uint16_t user_id, uint16_t floor_id, struct tbfcp_pkt_s** pp_self);
 
 /***** rfc4582 - 5.3.2.  FloorRelease  *****/
 #define tbfcp_pkt_create_FloorRelease(conf_id, transac_id, user_id, pp_self) tbfcp_pkt_create(tbfcp_primitive_FloorRelease, (conf_id), (transac_id), (user_id), (pp_self))
 #define tbfcp_pkt_create_empty_FloorRelease(p_self) tbfcp_pkt_create_empty(TBFCP_PKT(p_self), tbfcp_primitive_FloorRelease)
 TINYBFCP_API int tbfcp_pkt_create_FloorRelease_2(uint32_t conf_id, uint16_t transac_id, uint16_t user_id, uint16_t floor_req_id, struct tbfcp_pkt_s** pp_self);
 
 
 /**** rfc4582 - 5.3.4.  FloorRequestStatus *****/
 #define tbfcp_pkt_create_FloorRequestStatus(conf_id, transac_id, user_id, pp_self) tbfcp_pkt_create(tbfcp_primitive_FloorRequestStatus, (conf_id), (transac_id), (user_id), (pp_self))
 #define tbfcp_pkt_create_empty_FloorRequestStatus(p_self) tbfcp_pkt_create_empty(TBFCP_PKT(p_self), tbfcp_primitive_FloorRequestStatus)
 TINYBFCP_API int tbfcp_pkt_create_FloorRequestStatus_2(uint32_t conf_id, uint16_t transac_id, uint16_t user_id, uint16_t floor_req_id, struct tbfcp_pkt_s** pp_self);
 
 /**** rfc4582 - 5.3.11.  Hello ***/
 #define tbfcp_pkt_create_Hello(conf_id, transac_id, user_id, pp_self) tbfcp_pkt_create(tbfcp_primitive_Hello, (conf_id), (transac_id), (user_id), (pp_self))
 #define tbfcp_pkt_create_empty_Hello(p_self) tbfcp_pkt_create_empty(TBFCP_PKT(p_self), tbfcp_primitive_Hello)
 
 /**** 5.3.12.  HelloAck ***/
 #define tbfcp_pkt_create_HelloAck(conf_id, transac_id, user_id, pp_self) tbfcp_pkt_create(tbfcp_primitive_HelloAck, (conf_id), (transac_id), (user_id), (pp_self))
 #define tbfcp_pkt_create_empty_HelloAck(p_self) tbfcp_pkt_create_empty(TBFCP_PKT(p_self), tbfcp_primitive_HelloAck)
 TINYBFCP_API int tbfcp_pkt_create_HelloAck_2(uint32_t conf_id, uint16_t transac_id, uint16_t user_id, struct tbfcp_pkt_s** pp_self);
 
 #if 0
 // rfc4582 - 5.3.1.  FloorRequest
 typedef struct tbfcp_pkt_FloorRequest_s {
     TBFCP_DECLARE_PKT;
     struct tbfcp_attr_unsigned16_s* p_floor_id; // First [FLOOR-ID]. Others will be in "p_list_exts".
     struct tbfcp_attr_unsigned16_s* p_beneficiary_id; // [BENEFICIARY-ID]
     struct tbfcp_attr_octetstring_s* p_participant_provided_info; // [PARTICIPANT-PROVIDED-INFO]
     struct tbfcp_attr_octetstring16_s* p_priority; // [PRIORITY]
 } tbfcp_pkt_FloorRequest_t;
 TINYBFCP_API int tbfcp_pkt_FloorRequest_create_empty(struct tbfcp_pkt_FloorRequest_s** pp_self);
 TINYBFCP_API int tbfcp_pkt_FloorRequest_create(uint32_t conf_id, uint16_t transac_id, uint16_t user_id, uint16_t floor_id, struct tbfcp_pkt_FloorRequest_s** pp_self);
 #endif
 
 TBFCP_END_DECLS
 
 #endif /* TBFCP_PKT_H */