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
17 extern unsigned short ConnDeadtimeout;
18 extern unsigned short HardDeadtimeout;
19 extern DWORD RDRtimeout;
21 typedef struct cm_conn {
22 struct cm_conn *nextp; /* locked by cm_connLock */
23 struct cm_server *serverp; /* locked by cm_serverLock */
24 struct rx_connection *callp; /* locked by mx */
25 struct cm_user *userp; /* locked by mx; a held reference */
26 osi_mutex_t mx; /* mutex for some of these fields */
27 unsigned long refCount; /* locked by cm_connLock */
28 int ucgen; /* ucellp's generation number */
29 long flags; /* locked by mx */
30 int cryptlevel; /* encrytion status */
33 #define CM_CONN_FLAG_FORCE_NEW 1
36 * structure used for tracking RPC progress
37 * and for passing path info from the smb layer
38 * to the cache manager functions.
40 typedef struct cm_req {
41 DWORD startTime; /* Quit before RDR times us out */
42 int rpcError; /* RPC error code */
43 int volumeError; /* volume error code */
44 int accessError; /* access error code */
50 /* flags in cm_req structure */
51 #define CM_REQ_NORETRY 0x1
52 #define CM_REQ_NEW_CONN_FORCED 0x2
57 * Note: all of the errors listed here are currently generated by the volume
58 * package. Other vice error codes, should they be needed, could be included
62 #define VREADONLY EROFS /* Attempt to write a read-only volume */
64 /* Special error codes, which may require special handling (other than just
65 passing them through directly to the end user) are listed below */
67 #define VICE_SPECIAL_ERRORS 101 /* Lowest special error code */
69 #define VSALVAGE 101 /* Volume needs salvage */
70 #define VNOVNODE 102 /* Bad vnode number quoted */
71 #define VNOVOL 103 /* Volume not attached, doesn't exist,
72 not created or not online */
73 #define VVOLEXISTS 104 /* Volume already exists */
74 #define VNOSERVICE 105 /* Volume is not in service (i.e. it's
75 is out of funds, is obsolete, or somesuch) */
76 #define VOFFLINE 106 /* Volume is off line, for the reason
77 given in the offline message */
78 #define VONLINE 107 /* Volume is already on line */
79 #define VDISKFULL 108 /* ENOSPC - Partition is "full",
80 i.e. roughly within n% of full */
81 #define VOVERQUOTA 109 /* EDQUOT - Volume max quota exceeded */
82 #define VBUSY 110 /* Volume temporarily unavailable; try again.
83 The volume should be available again shortly;
84 if it isn't something is wrong.
85 Not normally to be propagated to the
87 #define VMOVED 111 /* Volume has moved to another server;
88 do a VGetVolumeInfo to THIS server to find
90 #define VIO 112 /* Vnode temporarily unaccessible, but not known
91 * to be permanently bad. */
92 #define VRESTRICTED 120 /* Volume is restricted from using one or more
93 * of the given residencies; do a
94 * vos examine to find out the current
97 #define VRESTARTING -100 /* server is restarting, otherwise similar to
98 VBUSY above. This is negative so that old
99 cache managers treat it as "server is down"*/
101 #include "cm_server.h"
102 #ifndef AFS_PTHREAD_ENV
103 #define AFS_PTHREAD_ENV 1
107 extern void cm_InitConn(void);
109 extern void cm_InitReq(cm_req_t *reqp);
111 extern int cm_Analyze(cm_conn_t *connp, struct cm_user *up, struct cm_req *reqp,
113 struct AFSVolSync *volInfop,
114 cm_serverRef_t * serversp,
115 struct cm_callbackRequest *cbrp, long code);
117 extern long cm_ConnByMServers(struct cm_serverRef *, struct cm_user *,
118 cm_req_t *, cm_conn_t **);
120 extern long cm_ConnByServer(struct cm_server *, struct cm_user *, cm_conn_t **);
122 extern long cm_ConnFromFID(struct cm_fid *, struct cm_user *, struct cm_req *,
125 extern long cm_ConnFromVolume(struct cm_volume *volp, unsigned long volid,
126 struct cm_user *userp, cm_req_t *reqp,
129 extern void cm_PutConn(cm_conn_t *connp);
131 extern void cm_GCConnections(cm_server_t *serverp);
133 extern struct rx_connection * cm_GetRxConn(cm_conn_t *connp);
135 extern void cm_ForceNewConnections(cm_server_t *serverp);
137 extern long cm_ServerAvailable(struct cm_fid *fidp, struct cm_user *userp);
139 #endif /* __CM_CONN_H_ENV__ */