#include "daemon_com.h"
#include "daemon_com_inline.h"
#include "fssync.h"
+#include "fssync_inline.h"
#include "volume_inline.h"
#include "salvsync.h"
#include "viceinode.h"
int
AskDAFS(void)
{
- afs_int32 code, i, ret = 0;
SYNC_response res;
+ afs_int32 code = 1, i;
/* we don't care if we race. the answer shouldn't change */
if (isDAFS != -1)
memset(&res, 0, sizeof(res));
- for (i = 0; i < 3; i++) {
- code = FSYNC_VolOp(1, NULL,
- FSYNC_VOL_QUERY_VOP, FSYNC_SALVAGE, &res);
-
- if (code == SYNC_OK) {
- ret = 1;
- break;
- } else if (code == SYNC_DENIED) {
- ret = 1;
- break;
- } else if (code == SYNC_BAD_COMMAND) {
- ret = 0;
- break;
- } else if (code == SYNC_FAILED) {
- if (res.hdr.reason == FSYNC_UNKNOWN_VOLID)
- ret = 1;
- else
- ret = 0;
- break;
- } else if (i < 2) {
- /* try it again */
- Log("AskDAFS: request to query fileserver failed; trying again...\n");
+ for (i = 0; code && i < 3; i++) {
+ code = FSYNC_VolOp(0, NULL, FSYNC_VOL_LISTVOLUMES, FSYNC_SALVAGE, &res);
+ if (code) {
+ Log("AskDAFS: FSYNC_VOL_LISTVOLUMES failed with code %ld reason "
+ "%ld (%s); trying again...\n", (long)code, (long)res.hdr.reason,
+ FSYNC_reason2string(res.hdr.reason));
FSYNC_clientFinis();
FSYNC_clientInit();
}
}
- isDAFS = ret;
- return ret;
+ if (code) {
+ Log("AskDAFS: could not determine DAFS-ness, assuming not DAFS\n");
+ res.hdr.flags = 0;
+ }
+
+ if ((res.hdr.flags & SYNC_FLAG_DAFS_EXTENSIONS)) {
+ isDAFS = 1;
+ } else {
+ isDAFS = 0;
+ }
+
+ return isDAFS;
}
static void