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 long 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
35 /* structure used for tracking RPC progress */
36 typedef struct cm_req {
37 DWORD startTime; /* Quit before RDR times us out */
38 int rpcError; /* RPC error code */
39 int volumeError; /* volume error code */
40 int accessError; /* access error code */
44 /* flags in cm_req structure */
45 #define CM_REQ_NORETRY 0x1
50 * Note: all of the errors listed here are currently generated by the volume
51 * package. Other vice error codes, should they be needed, could be included
55 #define VREADONLY EROFS /* Attempt to write a read-only volume */
57 /* Special error codes, which may require special handling (other than just
58 passing them through directly to the end user) are listed below */
60 #define VICE_SPECIAL_ERRORS 101 /* Lowest special error code */
62 #define VSALVAGE 101 /* Volume needs salvage */
63 #define VNOVNODE 102 /* Bad vnode number quoted */
64 #define VNOVOL 103 /* Volume not attached, doesn't exist,
65 not created or not online */
66 #define VVOLEXISTS 104 /* Volume already exists */
67 #define VNOSERVICE 105 /* Volume is not in service (i.e. it's
68 is out of funds, is obsolete, or somesuch) */
69 #define VOFFLINE 106 /* Volume is off line, for the reason
70 given in the offline message */
71 #define VONLINE 107 /* Volume is already on line */
72 #define VDISKFULL 108 /* ENOSPC - Partition is "full",
73 i.e. roughly within n% of full */
74 #define VOVERQUOTA 109 /* EDQUOT - Volume max quota exceeded */
75 #define VBUSY 110 /* Volume temporarily unavailable; try again.
76 The volume should be available again shortly;
77 if it isn't something is wrong.
78 Not normally to be propagated to the
80 #define VMOVED 111 /* Volume has moved to another server;
81 do a VGetVolumeInfo to THIS server to find
83 #define VIO 112 /* Vnode temporarily unaccessible, but not known
84 * to be permanently bad. */
85 #define VRESTRICTED 120 /* Volume is restricted from using one or more
86 * of the given residencies; do a
87 * vos examine to find out the current
90 #define VRESTARTING -100 /* server is restarting, otherwise similar to
91 VBUSY above. This is negative so that old
92 cache managers treat it as "server is down"*/
94 #include "cm_server.h"
95 #ifndef AFS_PTHREAD_ENV
96 #define AFS_PTHREAD_ENV 1
100 extern void cm_InitConn(void);
102 extern void cm_InitReq(cm_req_t *reqp);
104 extern int cm_Analyze(cm_conn_t *connp, struct cm_user *up, struct cm_req *reqp,
106 struct AFSVolSync *volInfop,
107 cm_serverRef_t * serversp,
108 struct cm_callbackRequest *cbrp, long code);
110 extern long cm_ConnByMServers(struct cm_serverRef *, struct cm_user *,
111 cm_req_t *, cm_conn_t **);
113 extern long cm_ConnByServer(struct cm_server *, struct cm_user *, cm_conn_t **);
115 extern long cm_Conn(struct cm_fid *, struct cm_user *, struct cm_req *,
118 extern void cm_PutConn(cm_conn_t *connp);
120 extern void cm_GCConnections(cm_server_t *serverp);
122 extern struct rx_connection * cm_GetRxConn(cm_conn_t *connp);
124 extern void cm_ForceNewConnections(cm_server_t *serverp);
126 #endif /* __CM_CONN_H_ENV__ */