2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #ifndef __CM_CONN_H_ENV__
11 #define __CM_CONN_H_ENV__ 1
13 #define CM_CONN_DEFAULTRDRTIMEOUT 45
14 #define CM_CONN_CONNDEADTIME 0
15 #define CM_CONN_HARDDEADTIME 0
16 #define CM_CONN_IDLEDEADTIME 0
18 extern unsigned short ConnDeadtimeout;
19 extern unsigned short HardDeadtimeout;
20 extern DWORD RDRtimeout;
22 typedef struct cm_conn {
23 struct cm_conn *nextp; /* locked by cm_connLock */
24 struct cm_server *serverp; /* locked by cm_serverLock */
25 struct rx_connection *rxconnp; /* locked by mx */
26 struct cm_user *userp; /* locked by mx; a held reference */
27 osi_mutex_t mx; /* mutex for some of these fields */
28 afs_int32 refCount; /* Interlocked */
29 int ucgen; /* ucellp's generation number */
30 afs_uint32 flags; /* locked by mx */
31 int cryptlevel; /* encrytion status */
34 #define CM_CONN_FLAG_FORCE_NEW 1
37 * structure used for tracking RPC progress
38 * and for passing path info from the smb layer
39 * to the cache manager functions.
41 typedef struct cm_req {
42 DWORD startTime; /* Quit before RDR times us out */
43 int rpcError; /* RPC error code */
44 int volumeError; /* volume error code */
45 int accessError; /* access error code */
46 struct cm_server * tokenIdleErrorServp; /* server that reported a token/idle error other than expired */
50 clientchar_t * tidPathp;
51 clientchar_t * relPathp;
54 /* flags in cm_req structure */
55 #define CM_REQ_NORETRY 0x1
56 #define CM_REQ_NEW_CONN_FORCED 0x2
61 * Note: all of the errors listed here are currently generated by the volume
62 * package. Other vice error codes, should they be needed, could be included
66 #define VREADONLY EROFS /* Attempt to write a read-only volume */
68 /* Special error codes, which may require special handling (other than just
69 passing them through directly to the end user) are listed below */
71 #define VICE_SPECIAL_ERRORS 101 /* Lowest special error code */
73 #define VSALVAGE 101 /* Volume needs salvage */
74 #define VNOVNODE 102 /* Bad vnode number quoted */
75 #define VNOVOL 103 /* Volume not attached, doesn't exist,
76 not created or not online */
77 #define VVOLEXISTS 104 /* Volume already exists */
78 #define VNOSERVICE 105 /* Volume is not in service (i.e. it's
79 is out of funds, is obsolete, or somesuch) */
80 #define VOFFLINE 106 /* Volume is off line, for the reason
81 given in the offline message */
82 #define VONLINE 107 /* Volume is already on line */
83 #define VDISKFULL 108 /* ENOSPC - Partition is "full",
84 i.e. roughly within n% of full */
85 #define VOVERQUOTA 109 /* EDQUOT - Volume max quota exceeded */
86 #define VBUSY 110 /* Volume temporarily unavailable; try again.
87 The volume should be available again shortly;
88 if it isn't something is wrong.
89 Not normally to be propagated to the
91 #define VMOVED 111 /* Volume has moved to another server;
92 do a VGetVolumeInfo to THIS server to find
94 #define VIO 112 /* Vnode temporarily unaccessible, but not known
95 * to be permanently bad. */
96 #define VRESTRICTED 120 /* Volume is restricted from using one or more
97 * of the given residencies; do a
98 * vos examine to find out the current
101 #define VRESTARTING -100 /* server is restarting, otherwise similar to
102 VBUSY above. This is negative so that old
103 cache managers treat it as "server is down"*/
105 #include "cm_server.h"
106 #ifndef AFS_PTHREAD_ENV
107 #define AFS_PTHREAD_ENV 1
111 extern void cm_InitConn(void);
113 extern void cm_InitReq(cm_req_t *reqp);
115 extern int cm_Analyze(cm_conn_t *connp, struct cm_user *up, struct cm_req *reqp,
117 struct AFSVolSync *volInfop,
118 cm_serverRef_t * serversp,
119 struct cm_callbackRequest *cbrp, long code);
121 extern long cm_ConnByMServers(struct cm_serverRef *, struct cm_user *,
122 cm_req_t *, cm_conn_t **);
124 extern long cm_ConnByServer(struct cm_server *, struct cm_user *, cm_conn_t **);
126 extern long cm_ConnFromFID(struct cm_fid *, struct cm_user *, struct cm_req *,
129 extern long cm_ConnFromVolume(struct cm_volume *volp, unsigned long volid,
130 struct cm_user *userp, cm_req_t *reqp,
133 extern void cm_PutConn(cm_conn_t *connp);
135 extern void cm_GCConnections(cm_server_t *serverp);
137 extern struct rx_connection * cm_GetRxConn(cm_conn_t *connp);
139 extern void cm_ForceNewConnections(cm_server_t *serverp);
141 extern long cm_ServerAvailable(struct cm_fid *fidp, struct cm_user *userp);
143 #endif /* __CM_CONN_H_ENV__ */