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/* daap
*
* core protocol definitions
*
* Copyright (c) 2004 David Hammerton
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
/* DMAP is probable a parent protocol which DAAP
* is implemented over.
* For now I'm not splitting them up, but all
* DMAP_ things seem to be generic to this parent
* protocol
*/
#ifndef _DAAP_H
#define _DAAP_H
#include "portability.h"
typedef int32_t dmap_contentCodeFOURCC;
#ifndef MAKEFOURCC
#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
( (int32_t)(char)(ch0) | ( (int32_t)(char)(ch1) << 8 ) | \
( (int32_t)(char)(ch2) << 16 ) | \
( (int32_t)(char)(ch3) << 24 ) )
#endif
#ifndef SLPITFOURCC
/* splits it into ch0, ch1, ch2, ch3 - use for printf's */
#define SPLITFOURCC(code) \
(char)code, (char)((int32_t)code >> 8), \
(char)((int32_t)code >> 16), \
(char)((int32_t)code >> 24)
#endif
/* I'm not sure if these ints are signed or not,
* however I would hazard a guess that they are signed,
* with types 2,4,6 and 8 being unsigned.
*/
typedef enum
{
DMAP_DATATYPE_INVALID = -1,
DMAP_DATATYPE_INT8 = 1,
DMAP_DATATYPE_UINT8 = 2,
DMAP_DATATYPE_INT16 = 3,
DMAP_DATATYPE_UINT16 = 4,
DMAP_DATATYPE_INT32 = 5,
DMAP_DATATYPE_UINT32 = 6,
DMAP_DATATYPE_INT64 = 7,
DMAP_DATATYPE_UINT64 = 8,
DMAP_DATATYPE_STRING = 9,
DMAP_DATATYPE_TIME = 10,
DMAP_DATATYPE_VERSION = 11,
DMAP_DATATYPE_CONTAINER = 12
} dmap_DataTypes;
typedef int8_t DMAP_INT8;
typedef u_int8_t DMAP_UINT8;
typedef int16_t DMAP_INT16;
typedef u_int16_t DMAP_UINT16;
typedef int32_t DMAP_INT32;
typedef u_int32_t DMAP_UINT32;
typedef int64_t DMAP_INT64;
typedef u_int64_t DMAP_UINT64;
typedef char* DMAP_STRING;
typedef time_t DMAP_TIME;
typedef struct { int16_t v1, v2; } DMAP_VERSION;
typedef struct
{
union
{
DMAP_INT8 int8;
DMAP_UINT8 uint8;
DMAP_INT16 int16;
DMAP_UINT16 uint16;
DMAP_INT32 int32;
DMAP_UINT32 uint32;
DMAP_INT64 int64;
DMAP_UINT64 uint64;
DMAP_STRING string;
DMAP_TIME time;
DMAP_VERSION version;
} u;
dmap_DataTypes type;
} dmap_GenericType;
typedef struct
{
dmap_contentCodeFOURCC cc_number;
char * cc_name;
dmap_DataTypes cc_type;
} dmap_ContentCode;
/* to query the protocol parser engine */
typedef enum
{
QUERY_SERVERINFORESPONSE = 0,
QUERY_LOGINRESPONSE,
QUERY_UPDATERESPONSE,
QUERY_GENERICLISTING
} PROTO_PARSE_EXPECTING;
typedef struct
{
PROTO_PARSE_EXPECTING expecting;
} protoParseResult;
typedef struct
{
protoParseResult h;
DMAP_VERSION dmap_version;
DMAP_VERSION daap_version;
DMAP_INT32 databasescount;
DMAP_STRING hostname;
} protoParseResult_serverinfo;
typedef struct
{
protoParseResult h;
DMAP_INT32 sessionid;
} protoParseResult_login;
typedef struct
{
protoParseResult h;
DMAP_INT32 serverrevision;
} protoParseResult_update;
/* functions */
/* dmap_init MUST be called during process attach. */
void dmap_init();
void dmap_deinit();
void dmap_parseProtocolData(const int size, const char *buffer,
protoParseResult *res);
/* generic type */
dmap_DataTypes dmap_genericToINT8(dmap_GenericType in, DMAP_INT8 *out);
dmap_DataTypes dmap_genericToUINT8(dmap_GenericType in, DMAP_UINT8 *out);
dmap_DataTypes dmap_genericToINT16(dmap_GenericType in, DMAP_INT16 *out);
dmap_DataTypes dmap_genericToUINT16(dmap_GenericType in, DMAP_UINT16 *out);
dmap_DataTypes dmap_genericToINT32(dmap_GenericType in, DMAP_INT32 *out);
dmap_DataTypes dmap_genericToUINT32(dmap_GenericType in, DMAP_UINT32 *out);
dmap_DataTypes dmap_genericToINT64(dmap_GenericType in, DMAP_INT64 *out);
dmap_DataTypes dmap_genericToUINT64(dmap_GenericType in, DMAP_UINT64 *out);
dmap_DataTypes dmap_genericToSTRING(dmap_GenericType in, DMAP_STRING *out);
dmap_DataTypes dmap_genericToTIME(dmap_GenericType in, DMAP_TIME *out);
dmap_DataTypes dmap_genericToVERSION(dmap_GenericType in, DMAP_VERSION *out);
#endif /* _DAAP_H */
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