Windows: Protect against infinite VIO retries

[openafs.git] / src / WINNT / afsd / cm_conn.h

diff --git a/src/WINNT/afsd/cm_conn.h b/src/WINNT/afsd/cm_conn.h
index 32c5c2d..e8b1076 100644 (file)
--- a/src/WINNT/afsd/cm_conn.h
+++ b/src/WINNT/afsd/cm_conn.h
@@ -20,10 +20,18 @@
 #ifndef CM_CONN_IDLEDEADTIME
 #define CM_CONN_IDLEDEADTIME             0
 #endif
+#ifndef CM_CONN_IDLEDEADTIME_REP
+#define CM_CONN_IDLEDEADTIME_REP         0
+#endif
 #ifndef CM_CONN_NATPINGINTERVAL
 #define CM_CONN_NATPINGINTERVAL          0
 #endif
 
+#define CM_CONN_IFS_HARDDEADTIME       120
+#define CM_CONN_IFS_CONNDEADTIME        60
+#define CM_CONN_IFS_IDLEDEADTIME      1200
+#define CM_CONN_IFS_IDLEDEADTIME_REP   180      /* must be larger than file server hard dead timeout = 120 */
+
 extern unsigned short ConnDeadtimeout;
 extern unsigned short HardDeadtimeout;
 extern DWORD          RDRtimeout;
@@ -38,10 +46,12 @@ typedef struct cm_conn {
         afs_int32 refCount;            /* Interlocked */
        int ucgen;                      /* ucellp's generation number */
         afs_uint32 flags;              /* locked by mx */
-       int cryptlevel;                 /* encrytion status */
+       int cryptlevel;                 /* encryption status */
 } cm_conn_t;
 
-#define CM_CONN_FLAG_FORCE_NEW 1
+#define CM_CONN_FLAG_FORCE_NEW          1
+#define CM_CONN_FLAG_REPLICATION        2
+#define CM_CONN_FLAG_NEW                4
 
 /*
  * structure used for tracking RPC progress
@@ -49,23 +59,29 @@ typedef struct cm_conn {
  * to the cache manager functions.
  */
 typedef struct cm_req {
-    DWORD startTime;           /* Quit before RDR times us out */
-    int rpcError;                      /* RPC error code */
+    DWORD startTime;           /* GetTickCount() when this struct was initialized */
+    int rpcError;              /* RPC error code */
     int volumeError;           /* volume error code */
     int accessError;           /* access error code */
-    struct cm_server * tokenIdleErrorServp;  /* server that reported a token/idle error other than expired */
+    struct cm_server * errorServp;  /* server that reported a token/idle error other than expired */
     int tokenError;
     int idleError;
+    int vnovolError;
+    int volbusyCount;
+    int vioCount;
     afs_uint32 flags;
     clientchar_t * tidPathp;
     clientchar_t * relPathp;
 } cm_req_t;
 
 /* flags in cm_req structure */
-#define        CM_REQ_NORETRY          0x1
-#define CM_REQ_NEW_CONN_FORCED  0x2
-#define CM_REQ_SOURCE_SMB       0x4
-#define CM_REQ_VOLUME_UPDATED   0x8
+#define        CM_REQ_NORETRY          0x01
+#define CM_REQ_NEW_CONN_FORCED  0x02
+#define CM_REQ_SOURCE_SMB       0x04
+#define CM_REQ_VOLUME_UPDATED   0x08
+#define CM_REQ_WOW64            0x10
+#define CM_REQ_SOURCE_REDIR     0x20
+#define CM_REQ_OFFLINE_VOL_CHK  0x40
 
 /*
  * Vice2 error codes
@@ -120,20 +136,32 @@ typedef struct cm_req {
 #endif
 #include "rx.h"
 
+/*
+ * connp->serverp can be accessed without holding a lock because that
+ * never changes once the connection is created.
+ */
+#define SERVERHAS64BIT(connp) (!((connp)->serverp->flags & CM_SERVERFLAG_NO64BIT))
+#define SET_SERVERHASNO64BIT(connp) (cm_SetServerNo64Bit((connp)->serverp, TRUE))
+
+#define SERVERHASINLINEBULK(connp) (!((connp)->serverp->flags & CM_SERVERFLAG_NOINLINEBULK))
+#define SET_SERVERHASNOINLINEBULK(connp) (cm_SetServerNoInlineBulk((connp)->serverp, TRUE))
+
 extern void cm_InitConn(void);
 
 extern void cm_InitReq(cm_req_t *reqp);
 
 extern int cm_Analyze(cm_conn_t *connp, struct cm_user *up, struct cm_req *reqp,
-       struct cm_fid *fidp,
-       struct AFSVolSync *volInfop,
-        cm_serverRef_t * serversp,
-       struct cm_callbackRequest *cbrp, long code);
-
-extern long cm_ConnByMServers(struct cm_serverRef *, struct cm_user *,
+                      struct cm_fid *fidp, struct cm_cell *cellp,
+                      afs_uint32 storeOp,
+                      struct AFSFetchStatus *statusp,
+                      struct AFSVolSync *volInfop,
+                      cm_serverRef_t ** vlServerspp,
+                      struct cm_callbackRequest *cbrp, long code);
+
+extern long cm_ConnByMServers(struct cm_serverRef *, afs_uint32, struct cm_user *,
        cm_req_t *, cm_conn_t **);
 
-extern long cm_ConnByServer(struct cm_server *, struct cm_user *, cm_conn_t **);
+extern long cm_ConnByServer(struct cm_server *, struct cm_user *, afs_uint32, cm_conn_t **);
 
 extern long cm_ConnFromFID(struct cm_fid *, struct cm_user *, struct cm_req *,
        cm_conn_t **);
@@ -152,4 +180,13 @@ extern void cm_ForceNewConnections(cm_server_t *serverp);
 
 extern long cm_ServerAvailable(struct cm_fid *fidp, struct cm_user *userp);
 
+extern long cm_GetServerList(struct cm_fid *fidp, struct cm_user *userp,
+                             struct cm_req *reqp, afs_uint32 *replicated,
+                             cm_serverRef_t ***serversppp);
+
+extern long cm_GetVolServerList(struct cm_volume *volp, afs_uint32 volid,
+                                struct cm_user *userp,
+                                struct cm_req *reqp, afs_uint32 *replicated,
+                                cm_serverRef_t ***serversppp);
+
 #endif /*  OPENAFS_WINNT_AFSD_CM_CONN_H */