[t:4875], move brt_stat64 work to brt_header.c

git-svn-id: file:///svn/toku/tokudb@43499 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt.c

@@ -5428,33 +5428,7 @@ toku_brt_keyrange (BRT brt, DBT *key, u_int64_t *less_p, u_int64_t *equal_p, u_i
 int 
 toku_brt_stat64 (BRT brt, TOKUTXN UU(txn), struct brtstat64_s *s) {
     assert(brt->h);
-
-    {
-        int64_t file_size;
-        int fd = toku_cachefile_get_and_pin_fd(brt->h->cf);
-        int r = toku_os_get_file_size(fd, &file_size);
-        toku_cachefile_unpin_fd(brt->h->cf);
-        assert_zero(r);
-        s->fsize = file_size + toku_cachefile_size_in_memory(brt->h->cf);
-    }
-    // just use the in memory stats from the header
-    // prevent appearance of negative numbers for numrows, numbytes
-    int64_t n = brt->h->in_memory_stats.numrows;
-    if (n < 0) {
-        n = 0;
-    }
-    s->nkeys = s->ndata = n;
-    n = brt->h->in_memory_stats.numbytes;
-    if (n < 0) {
-        n = 0;
-    }
-    s->dsize = n; 
-
-    // 4018
-    s->create_time_sec = brt->h->time_of_creation;
-    s->modify_time_sec = brt->h->time_of_last_modification;
-    s->verify_time_sec = brt->h->time_of_last_verification;
-    
+    toku_brtheader_stat64(brt->h, s);
     return 0;
 }
 

newbrt/brt_header.c

@@ -906,4 +906,25 @@ int toku_brtheader_set_panic(struct brt_header *h, int panic, char *panic_string
     return 0;
 }
 
+void 
+toku_brtheader_stat64 (struct brt_header* h, struct brtstat64_s *s) {
+    s->fsize = toku_cachefile_size(h->cf);
+    // just use the in memory stats from the header
+    // prevent appearance of negative numbers for numrows, numbytes
+    int64_t n = h->in_memory_stats.numrows;
+    if (n < 0) {
+        n = 0;
+    }
+    s->nkeys = s->ndata = n;
+    n = h->in_memory_stats.numbytes;
+    if (n < 0) {
+        n = 0;
+    }
+    s->dsize = n; 
+
+    // 4018
+    s->create_time_sec = h->time_of_creation;
+    s->modify_time_sec = h->time_of_last_modification;
+    s->verify_time_sec = h->time_of_last_verification;    
+}
 

newbrt/brt_header.h

@@ -62,6 +62,6 @@ void toku_calculate_root_offset_pointer ( struct brt_header* h, CACHEKEY* root_k
 void toku_brtheader_set_new_root_blocknum(struct brt_header* h, CACHEKEY new_root_key); 
 LSN toku_brt_checkpoint_lsn(struct brt_header* h)  __attribute__ ((warn_unused_result));
 int toku_brtheader_set_panic(struct brt_header *h, int panic, char *panic_string) __attribute__ ((warn_unused_result));
-
+void toku_brtheader_stat64 (struct brt_header* h, struct brtstat64_s *s);
 
 #endif

newbrt/cachetable.c

@@ -3975,23 +3975,16 @@ int toku_cachefile_redirect_nullfd (CACHEFILE cf) {
     return 0;
 }
 
-u_int64_t
-toku_cachefile_size_in_memory(CACHEFILE cf)
-{
-    u_int64_t result=0;
-    CACHETABLE ct=cf->cachetable;
-    unsigned long i;
-    for (i=0; i<ct->table_size; i++) {
-	PAIR p;
-	for (p=ct->table[i]; p; p=p->hash_chain) {
-	    if (p->cachefile==cf) {
-		result += p->attr.size;
-	    }
-	}
-    }
-    return result;
+u_int64_t toku_cachefile_size(CACHEFILE cf) {
+    int64_t file_size;
+    int fd = toku_cachefile_get_and_pin_fd(cf);
+    int r = toku_os_get_file_size(fd, &file_size);
+    toku_cachefile_unpin_fd(cf);
+    assert_zero(r);
+    return file_size;
 }
 
+
 char *
 toku_construct_full_name(int count, ...) {
     va_list ap;

newbrt/cachetable.h

@@ -479,7 +479,8 @@ void toku_cachetable_print_hash_histogram (void) __attribute__((__visibility__("
 
 void toku_cachetable_maybe_flush_some(CACHETABLE ct);
 
-u_int64_t toku_cachefile_size_in_memory(CACHEFILE cf);
+// for stat64
+u_int64_t toku_cachefile_size(CACHEFILE cf);
 
 typedef enum {
     CT_MISS = 0,