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114 lines
4.1 KiB
C
114 lines
4.1 KiB
C
/*
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* Copyright (C) 2009-2012 by Matthias Ringwald
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at btstack@ringwald.ch
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*
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*/
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#ifndef __SDP_H
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#define __SDP_H
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#include <stdint.h>
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#include <btstack/linked_list.h>
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#include "btstack-config.h"
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#if defined __cplusplus
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extern "C" {
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#endif
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typedef enum {
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SDP_Invalid = 0,
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SDP_ErrorResponse = 1,
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SDP_ServiceSearchRequest,
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SDP_ServiceSearchResponse,
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SDP_ServiceAttributeRequest,
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SDP_ServiceAttributeResponse,
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SDP_ServiceSearchAttributeRequest,
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SDP_ServiceSearchAttributeResponse
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} SDP_PDU_ID_t;
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// service record
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// -- uses user_data field for actual
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typedef struct {
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// linked list - assert: first field
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linked_item_t item;
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// client connection
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void * connection;
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// data is contained in same memory
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uint32_t service_record_handle;
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uint8_t service_record[1]; // waste 1 byte to allow compilation with older compilers
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} service_record_item_t;
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void sdp_register_packet_handler(void (*handler)(void * connection, uint8_t packet_type,
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uint16_t channel, uint8_t *packet, uint16_t size));
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//
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int sdp_handle_service_search_request(uint8_t * packet, uint16_t remote_mtu);
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int sdp_handle_service_attribute_request(uint8_t * packet, uint16_t remote_mtu);
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int sdp_handle_service_search_attribute_request(uint8_t * packet, uint16_t remote_mtu);
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#ifndef EMBEDDED
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// Register service record internally - this version creates a copy of the record
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// precondition: AttributeIDs are in ascending order => ServiceRecordHandle is first attribute if present
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// @returns ServiceRecordHandle or 0 if registration failed
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uint32_t sdp_register_service_internal(void *connection, uint8_t * service_record);
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#endif
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//
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void sdp_unregister_services_for_connection(void *connection);
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/** Embedded API **/
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// Set up SDP.
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void sdp_init(void);
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#ifdef EMBEDDED
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// Register service record internally - this version doesn't copy the record therefore it must be forever accessible.
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// Preconditions:
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// - AttributeIDs are in ascending order;
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// - ServiceRecordHandle is first attribute and valid.
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// @returns ServiceRecordHandle or 0 if registration failed.
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uint32_t sdp_register_service_internal(void *connection, service_record_item_t * record_item);
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#endif
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// Unregister service record internally.
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void sdp_unregister_service_internal(void *connection, uint32_t service_record_handle);
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#if defined __cplusplus
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}
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#endif
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#endif // __SDP_H
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