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 #ifndef CM_CONN_CONNDEADTIME
15 #define CM_CONN_CONNDEADTIME 0
17 #ifndef CM_CONN_HARDDEADTIME
18 #define CM_CONN_HARDDEADTIME 0
20 #ifndef CM_CONN_IDLEDEADTIME
21 #define CM_CONN_IDLEDEADTIME 0
23 #ifndef CM_CONN_NATPINGINTERVAL
24 #define CM_CONN_NATPINGINTERVAL 0
27 extern unsigned short ConnDeadtimeout;
28 extern unsigned short HardDeadtimeout;
29 extern DWORD RDRtimeout;
30 extern afs_uint32 rx_pmtu_discovery;
32 typedef struct cm_conn {
33 struct cm_conn *nextp; /* locked by cm_connLock */
34 struct cm_server *serverp; /* locked by cm_serverLock */
35 struct rx_connection *rxconnp; /* locked by mx */
36 struct cm_user *userp; /* locked by mx; a held reference */
37 osi_mutex_t mx; /* mutex for some of these fields */
38 afs_int32 refCount; /* Interlocked */
39 int ucgen; /* ucellp's generation number */
40 afs_uint32 flags; /* locked by mx */
41 int cryptlevel; /* encrytion status */
44 #define CM_CONN_FLAG_FORCE_NEW 1
47 * structure used for tracking RPC progress
48 * and for passing path info from the smb layer
49 * to the cache manager functions.
51 typedef struct cm_req {
52 DWORD startTime; /* Quit before RDR times us out */
53 int rpcError; /* RPC error code */
54 int volumeError; /* volume error code */
55 int accessError; /* access error code */
56 struct cm_server * tokenIdleErrorServp; /* server that reported a token/idle error other than expired */
60 clientchar_t * tidPathp;
61 clientchar_t * relPathp;
64 /* flags in cm_req structure */
65 #define CM_REQ_NORETRY 0x1
66 #define CM_REQ_NEW_CONN_FORCED 0x2
67 #define CM_REQ_SOURCE_SMB 0x4
68 #define CM_REQ_VOLUME_UPDATED 0x8
73 * Note: all of the errors listed here are currently generated by the volume
74 * package. Other vice error codes, should they be needed, could be included
78 #define VREADONLY EROFS /* Attempt to write a read-only volume */
80 /* Special error codes, which may require special handling (other than just
81 passing them through directly to the end user) are listed below */
83 #define VICE_SPECIAL_ERRORS 101 /* Lowest special error code */
85 #define VSALVAGE 101 /* Volume needs salvage */
86 #define VNOVNODE 102 /* Bad vnode number quoted */
87 #define VNOVOL 103 /* Volume not attached, doesn't exist,
88 not created or not online */
89 #define VVOLEXISTS 104 /* Volume already exists */
90 #define VNOSERVICE 105 /* Volume is not in service (i.e. it's
91 is out of funds, is obsolete, or somesuch) */
92 #define VOFFLINE 106 /* Volume is off line, for the reason
93 given in the offline message */
94 #define VONLINE 107 /* Volume is already on line */
95 #define VDISKFULL 108 /* ENOSPC - Partition is "full",
96 i.e. roughly within n% of full */
97 #define VOVERQUOTA 109 /* EDQUOT - Volume max quota exceeded */
98 #define VBUSY 110 /* Volume temporarily unavailable; try again.
99 The volume should be available again shortly;
100 if it isn't something is wrong.
101 Not normally to be propagated to the
103 #define VMOVED 111 /* Volume has moved to another server;
104 do a VGetVolumeInfo to THIS server to find
106 #define VIO 112 /* Vnode temporarily unaccessible, but not known
107 * to be permanently bad. */
108 #define VRESTRICTED 120 /* Volume is restricted from using one or more
109 * of the given residencies; do a
110 * vos examine to find out the current
113 #define VRESTARTING -100 /* server is restarting, otherwise similar to
114 VBUSY above. This is negative so that old
115 cache managers treat it as "server is down"*/
117 #include "cm_server.h"
118 #ifndef AFS_PTHREAD_ENV
119 #define AFS_PTHREAD_ENV 1
123 extern void cm_InitConn(void);
125 extern void cm_InitReq(cm_req_t *reqp);
127 extern int cm_Analyze(cm_conn_t *connp, struct cm_user *up, struct cm_req *reqp,
129 struct AFSVolSync *volInfop,
130 cm_serverRef_t * serversp,
131 struct cm_callbackRequest *cbrp, long code);
133 extern long cm_ConnByMServers(struct cm_serverRef *, struct cm_user *,
134 cm_req_t *, cm_conn_t **);
136 extern long cm_ConnByServer(struct cm_server *, struct cm_user *, cm_conn_t **);
138 extern long cm_ConnFromFID(struct cm_fid *, struct cm_user *, struct cm_req *,
141 extern long cm_ConnFromVolume(struct cm_volume *volp, unsigned long volid,
142 struct cm_user *userp, cm_req_t *reqp,
145 extern void cm_PutConn(cm_conn_t *connp);
147 extern void cm_GCConnections(cm_server_t *serverp);
149 extern struct rx_connection * cm_GetRxConn(cm_conn_t *connp);
151 extern void cm_ForceNewConnections(cm_server_t *serverp);
153 extern long cm_ServerAvailable(struct cm_fid *fidp, struct cm_user *userp);
155 #endif /* __CM_CONN_H_ENV__ */