transmission/daemon/ipc.h

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2007-04-18 16:39:10 +00:00
/******************************************************************************
* $Id$
*
* Copyright (c) 2007 Joshua Elsasser
*
* 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.
*****************************************************************************/
#ifndef TR_DAEMON_IPC_H
#define TR_DAEMON_IPC_H
#include <stdint.h>
/* yay for typedefs, we can't forward declare benc_val_t or tr_info_t
like with structs */
#include "bencode.h"
#include "transmission.h"
#define IPC_MIN_MSG_LEN ( 8 )
#define IPC_MAX_MSG_LEN ( 0x7fffffff - IPC_MIN_MSG_LEN )
enum ipc_msg
{
IPC_MSG_ADDMANYFILES = 0,
IPC_MSG_ADDONEFILE,
IPC_MSG_AUTOMAP,
IPC_MSG_AUTOSTART,
IPC_MSG_DIR,
IPC_MSG_DOWNLIMIT,
IPC_MSG_FAIL,
IPC_MSG_GETAUTOMAP,
IPC_MSG_GETAUTOSTART,
IPC_MSG_GETDIR,
IPC_MSG_GETDOWNLIMIT,
IPC_MSG_GETINFO,
IPC_MSG_GETINFOALL,
IPC_MSG_GETPEX,
IPC_MSG_GETPORT,
IPC_MSG_GETSTAT,
IPC_MSG_GETSTATALL,
IPC_MSG_GETSUP,
IPC_MSG_GETUPLIMIT,
IPC_MSG_LOOKUP,
IPC_MSG_INFO,
IPC_MSG_NOOP,
IPC_MSG_NOTSUP,
IPC_MSG_PEX,
IPC_MSG_PORT,
IPC_MSG_QUIT,
IPC_MSG_REMOVE,
IPC_MSG_REMOVEALL,
IPC_MSG_START,
IPC_MSG_STARTALL,
IPC_MSG_STAT,
IPC_MSG_STOP,
IPC_MSG_STOPALL,
IPC_MSG_OK,
IPC_MSG_SUP,
IPC_MSG_UPLIMIT,
IPC_MSG_VERSION,
IPC__MSG_COUNT
};
#define IPC_INF_COMMENT ( 1 << 0 )
#define IPC_INF_CREATOR ( 1 << 1 )
#define IPC_INF_DATE ( 1 << 2 )
#define IPC_INF_FILES ( 1 << 3 )
#define IPC_INF_HASH ( 1 << 4 )
#define IPC_INF_ID ( 1 << 5 )
#define IPC_INF_NAME ( 1 << 6 )
#define IPC_INF_PATH ( 1 << 7 )
#define IPC_INF_PRIVATE ( 1 << 8 )
#define IPC_INF_SAVED ( 1 << 9 )
#define IPC_INF_SIZE ( 1 << 10 )
#define IPC_INF_TRACKERS ( 1 << 11 )
#define IPC_INF__MAX ( 1 << 12 )
#define IPC_ST_COMPLETED ( 1 << 0 )
#define IPC_ST_DOWNSPEED ( 1 << 1 )
#define IPC_ST_DOWNTOTAL ( 1 << 2 )
#define IPC_ST_ERROR ( 1 << 3 )
#define IPC_ST_ERRMSG ( 1 << 4 )
#define IPC_ST_ETA ( 1 << 5 )
#define IPC_ST_ID ( 1 << 6 )
#define IPC_ST_PEERDOWN ( 1 << 7 )
#define IPC_ST_PEERFROM ( 1 << 8 )
#define IPC_ST_PEERTOTAL ( 1 << 9 )
#define IPC_ST_PEERUP ( 1 << 10 )
#define IPC_ST_RUNNING ( 1 << 11 )
#define IPC_ST_STATE ( 1 << 12 )
#define IPC_ST_SWARM ( 1 << 13 )
#define IPC_ST_TRACKER ( 1 << 14 )
#define IPC_ST_TKDONE ( 1 << 15 )
#define IPC_ST_TKLEECH ( 1 << 16 )
#define IPC_ST_TKSEED ( 1 << 17 )
#define IPC_ST_UPSPEED ( 1 << 18 )
#define IPC_ST_UPTOTAL ( 1 << 19 )
#define IPC_ST__MAX ( 1 << 20 )
struct ipc_funcs;
struct ipc_info;
struct strlist;
struct ipc_info
{
struct ipc_funcs * funcs;
int vers;
};
#define HASVERS( info ) ( 0 < (info)->vers )
typedef void ( *trd_msgfunc )( enum ipc_msg, benc_val_t *, int64_t, void * );
/* any of these functions that can fail may set errno for any of the
errors set by malloc() or calloc() */
/* setup */
struct ipc_funcs * ipc_initmsgs ( void );
int ipc_addmsg ( struct ipc_funcs *, enum ipc_msg, trd_msgfunc );
void ipc_setdefmsg( struct ipc_funcs *, trd_msgfunc );
void ipc_freemsgs ( struct ipc_funcs * );
void ipc_newcon ( struct ipc_info *, struct ipc_funcs * );
/* message creation */
/* sets errno to EPERM if requested message not supported by protocol vers */
benc_val_t * ipc_initval ( struct ipc_info *, enum ipc_msg, int64_t,
benc_val_t *, int );
uint8_t * ipc_mkval ( benc_val_t *, size_t * );
uint8_t * ipc_mkempty ( struct ipc_info *, size_t *, enum ipc_msg,
int64_t );
uint8_t * ipc_mkint ( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
int64_t );
uint8_t * ipc_mkstr ( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
const char * );
uint8_t * ipc_mkvers ( size_t * );
uint8_t * ipc_mkgetinfo( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
int, const int * );
int ipc_addinfo ( benc_val_t *, int, tr_info_t *, int );
int ipc_addstat ( benc_val_t *, int, tr_info_t *, tr_stat_t *, int );
/* sets errno to EINVAL on parse error or
EPERM for unsupported protocol version */
ssize_t ipc_parse ( struct ipc_info *, uint8_t *, ssize_t, void * );
/* misc info functions, these will always succeed */
int ipc_havemsg ( struct ipc_info *, enum ipc_msg );
enum ipc_msg ipc_msgid ( struct ipc_info *, const char * );
int ipc_havetags ( struct ipc_info * );
int ipc_infotypes( enum ipc_msg, benc_val_t * );
const char * ipc_infoname ( enum ipc_msg, int );
#endif /* TR_DAEMON_IPC_H */