[t:4875], create brt_header.c to isolate header code

git-svn-id: file:///svn/toku/tokudb@43422 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/CMakeLists.txt

@@ -30,6 +30,7 @@ set(BRT_SOURCES
   brt.c
   brt-cachetable-wrappers.c
   brt-flusher.c
+  brt_header.c
   brt-hot-flusher.c
   brt_msg.c
   brt-test-helpers.c

newbrt/brt-internal.h

@@ -547,6 +547,7 @@ int toku_brtnode_pf_callback(void* brtnode_pv, void* UU(disk_data), void* read_e
 extern int toku_brtnode_cleaner_callback( void *brtnode_pv, BLOCKNUM blocknum, u_int32_t fullhash, void *extraargs);
 extern int toku_brt_alloc_init_header(BRT t, TOKUTXN txn);
 extern int toku_read_brt_header_and_store_in_cachefile (BRT brt, CACHEFILE cf, LSN max_acceptable_lsn, struct brt_header **header, BOOL* was_open);
+void toku_brtheader_note_brt_open(BRT live);
 extern CACHEKEY* toku_calculate_root_offset_pointer (struct brt_header* h, u_int32_t *root_hash);
 
 static inline CACHETABLE_WRITE_CALLBACK get_write_callbacks_for_node(struct brt_header* h) {

newbrt/brt.h

@@ -103,6 +103,19 @@ int toku_brt_open(BRT, const char *fname_in_env,
 		  int is_create, int only_create, CACHETABLE ct, TOKUTXN txn)  __attribute__ ((warn_unused_result));
 int toku_brt_open_recovery(BRT, const char *fname_in_env, int is_create, int only_create, CACHETABLE ct, TOKUTXN txn, 
 			   FILENUM use_filenum, LSN max_acceptable_lsn)  __attribute__ ((warn_unused_result));
+int
+toku_brt_open_with_dict_id(
+    BRT t, 
+    const char *fname_in_env, 
+    int is_create, 
+    int only_create, 
+    CACHETABLE cachetable, 
+    TOKUTXN txn, 
+    DICTIONARY_ID use_dictionary_id
+    )  __attribute__ ((warn_unused_result));
+
+int 
+toku_create_new_brtheader(BRT t, CACHEFILE cf, TOKUTXN txn);
 
 int toku_brt_remove_subdb(BRT brt, const char *dbname, u_int32_t flags)  __attribute__ ((warn_unused_result));