source: branches/daemon/daemon/ipc.h @ 1617

Last change on this file since 1617 was 1617, checked in by joshe, 15 years ago

Add a daemon frontend.

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File size: 6.1 KB
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1/******************************************************************************
2 * $Id: ipc.h 1617 2007-03-31 20:00:40Z joshe $
3 *
4 * Copyright (c) 2007 Joshua Elsasser
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#ifndef TR_DAEMON_IPC_H
26#define TR_DAEMON_IPC_H
27
28#include <sys/stdint.h>
29#include <stdint.h>
30
31/* yay for typedefs, we can't forward declare benc_val_t or tr_info_t
32   like with structs */
33#include "bencode.h"
34#include "transmission.h"
35
36#define IPC_MIN_MSG_LEN         ( 8 )
37#define IPC_MAX_MSG_LEN         ( 0x7fffffff - IPC_MIN_MSG_LEN )
38
39enum ipc_msg
40{
41    IPC_MSG_ADDFILES = 0,
42    IPC_MSG_AUTOMAP,
43    IPC_MSG_AUTOSTART,
44    IPC_MSG_DIR,
45    IPC_MSG_DOWNLIMIT,
46    IPC_MSG_FAIL,
47    IPC_MSG_GETAUTOMAP,
48    IPC_MSG_GETAUTOSTART,
49    IPC_MSG_GETDIR,
50    IPC_MSG_GETDOWNLIMIT,
51    IPC_MSG_GETINFO,
52    IPC_MSG_GETINFOALL,
53    IPC_MSG_GETPORT,
54    IPC_MSG_GETSTAT,
55    IPC_MSG_GETSTATALL,
56    IPC_MSG_GETSUP,
57    IPC_MSG_GETUPLIMIT,
58    IPC_MSG_LOOKUP,
59    IPC_MSG_INFO,
60    IPC_MSG_NOOP,
61    IPC_MSG_NOTSUP,
62    IPC_MSG_PORT,
63    IPC_MSG_QUIT,
64    IPC_MSG_REMOVE,
65    IPC_MSG_REMOVEALL,
66    IPC_MSG_START,
67    IPC_MSG_STARTALL,
68    IPC_MSG_STAT,
69    IPC_MSG_STOP,
70    IPC_MSG_STOPALL,
71    IPC_MSG_OK,
72    IPC_MSG_SUP,
73    IPC_MSG_UPLIMIT,
74    IPC_MSG_VERSION,
75    IPC__MSG_COUNT
76};
77
78#define IPC_INF_COMMENT         ( 1 << 0 )
79#define IPC_INF_CREATOR         ( 1 << 1 )
80#define IPC_INF_DATE            ( 1 << 2 )
81#define IPC_INF_FILES           ( 1 << 3 )
82#define IPC_INF_HASH            ( 1 << 4 )
83#define IPC_INF_ID              ( 1 << 5 )
84#define IPC_INF_NAME            ( 1 << 6 )
85#define IPC_INF_PATH            ( 1 << 7 )
86#define IPC_INF_PRIVATE         ( 1 << 8 )
87#define IPC_INF_SAVED           ( 1 << 9 )
88#define IPC_INF_SIZE            ( 1 << 10 )
89#define IPC_INF_TRACKERS        ( 1 << 11 )
90#define IPC_INF__MAX            ( 1 << 12 )
91
92#define IPC_ST_COMPLETED        ( 1 << 0 )
93#define IPC_ST_DOWNSPEED        ( 1 << 1 )
94#define IPC_ST_DOWNTOTAL        ( 1 << 2 )
95#define IPC_ST_ERROR            ( 1 << 3 )
96#define IPC_ST_ERRMSG           ( 1 << 4 )
97#define IPC_ST_ETA              ( 1 << 5 )
98#define IPC_ST_ID               ( 1 << 6 )
99#define IPC_ST_PEERDOWN         ( 1 << 7 )
100#define IPC_ST_PEERFROM         ( 1 << 8 )
101#define IPC_ST_PEERTOTAL        ( 1 << 9 )
102#define IPC_ST_PEERUP           ( 1 << 10 )
103#define IPC_ST_RUNNING          ( 1 << 11 )
104#define IPC_ST_STATE            ( 1 << 12 )
105#define IPC_ST_SWARM            ( 1 << 13 )
106#define IPC_ST_TRACKER          ( 1 << 14 )
107#define IPC_ST_TKDONE           ( 1 << 15 )
108#define IPC_ST_TKLEECH          ( 1 << 16 )
109#define IPC_ST_TKSEED           ( 1 << 17 )
110#define IPC_ST_UPSPEED          ( 1 << 18 )
111#define IPC_ST_UPTOTAL          ( 1 << 19 )
112#define IPC_ST__MAX             ( 1 << 20 )
113
114struct ipc_funcs;
115struct ipc_info;
116struct strlist;
117
118struct ipc_info
119{
120    struct ipc_funcs * funcs;
121    int                vers;
122};
123
124#define HASVERS( info )         ( 0 < (info)->vers )
125
126typedef void ( *trd_msgfunc )( enum ipc_msg, benc_val_t *, int64_t, void * );
127
128/* any of these functions that can fail may set errno for any of the
129   errors set by malloc() or calloc() */
130
131/* setup */
132struct ipc_funcs * ipc_initmsgs ( void );
133int          ipc_addmsg   ( struct ipc_funcs *, enum ipc_msg, trd_msgfunc );
134void         ipc_setdefmsg( struct ipc_funcs *, trd_msgfunc );
135void         ipc_freemsgs ( struct ipc_funcs * );
136void         ipc_newcon   ( struct ipc_info *, struct ipc_funcs * );
137
138/* message creation */
139/* sets errno to EPERM if requested message not supported by protocol vers */
140uint8_t *    ipc_mkstr    ( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
141                            const char * );
142uint8_t *    ipc_mkstrlist( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
143                            struct strlist * );
144uint8_t *    ipc_mkempty  ( struct ipc_info *, size_t *, enum ipc_msg,
145                            int64_t );
146uint8_t *    ipc_mkint    ( struct ipc_info *, size_t *, enum ipc_msg,
147                            int64_t, int64_t );
148uint8_t *    ipc_mkints   ( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
149                            size_t, const int64_t * );
150uint8_t *    ipc_mkvers   ( size_t * );
151uint8_t *    ipc_mkgetinfo( struct ipc_info *, size_t *, enum ipc_msg, int64_t,
152                            int, const int * );
153int          ipc_initinfo ( struct ipc_info *, enum ipc_msg, int64_t,
154                            benc_val_t *, benc_val_t ** );
155int          ipc_addinfo  ( benc_val_t *, int, tr_info_t *, int );
156int          ipc_addstat  ( benc_val_t *, int, tr_info_t *, tr_stat_t *, int );
157uint8_t *    ipc_mkinfo   ( benc_val_t *, size_t * );
158
159/* sets errno to EINVAL on parse error or
160   EPERM for unsupported protocol version */
161ssize_t      ipc_parse    ( struct ipc_info *, uint8_t *, ssize_t, void * );
162
163/* misc info functions, these will always succeed */
164int          ipc_havemsg  ( struct ipc_info *, enum ipc_msg );
165enum ipc_msg ipc_msgid    ( struct ipc_info *, const char * );
166int          ipc_havetags ( struct ipc_info * );
167int          ipc_infotypes( enum ipc_msg, benc_val_t * );
168const char * ipc_infoname ( enum ipc_msg, int );
169
170#endif /* TR_DAEMON_IPC_H */
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