X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=example%2Fstorage_innodb.c;h=92a7a4bf75378331858c4a59c8e240e463a449c7;hb=7c986323bd4eece0d805f4df17eb03ea094f84f6;hp=1d7b9cb65ff652ce45e5c672e80213ec6f32ca38;hpb=bffba75d25150a0c08f37c759bad82ee90cf00f1;p=m6w6%2Flibmemcached

diff --git a/example/storage_innodb.c b/example/storage_innodb.c
index 1d7b9cb6..92a7a4bf 100644
--- a/example/storage_innodb.c
+++ b/example/storage_innodb.c
@@ -48,7 +48,8 @@ do {                                                           \
  * @return true if the database schema was created without any problems
  *         false otherwise.
  */
-static bool create_schema(void) {
+static bool create_schema(void) 
+{
   ib_tbl_sch_t schema= NULL;
   ib_idx_sch_t dbindex= NULL;
 
@@ -101,7 +102,8 @@ static bool create_schema(void) {
  * @param item the item to store
  * @return true if we can go ahead and commit the transaction, false otherwise
  */
-static bool do_put_item(ib_trx_t trx, struct item* item) {
+static bool do_put_item(ib_trx_t trx, struct item* item) 
+{
   update_cas(item);
 
   ib_crsr_t cursor= NULL;
@@ -195,12 +197,14 @@ static bool do_locate_item(ib_trx_t trx,
  * @param nkey the lenght of the key
  * @return a pointer to the item if I found it in the database
  */
-static struct item* do_get_item(ib_trx_t trx, const void* key, size_t nkey) {
+static struct item* do_get_item(ib_trx_t trx, const void* key, size_t nkey) 
+{
   ib_crsr_t cursor= NULL;
   ib_tpl_t tuple= NULL;
   struct item* retval= NULL;
 
-  if (do_locate_item(trx, key, nkey, &cursor)) {
+  if (do_locate_item(trx, key, nkey, &cursor)) 
+  {
     tuple= ib_clust_read_tuple_create(cursor);
     if (tuple == NULL)
     {
@@ -216,22 +220,26 @@ static struct item* do_get_item(ib_trx_t trx, const void* key, size_t nkey) {
     const void *dataptr= ib_col_get_value(tuple, data_col_idx);
 
     retval= create_item(key, nkey, dataptr, datalen, 0, 0);
-    if (retval == NULL) {
+    if (retval == NULL) 
+    {
       fprintf(stderr, "Failed to allocate memory\n");
       goto error_exit;
     }
 
-    if (flaglen != 0) {
+    if (flaglen != 0) 
+    {
       ib_u32_t val;
       checked(ib_tuple_read_u32(tuple, flags_col_idx, &val));
       retval->flags= (uint32_t)val;
     }
-    if (caslen != 0) {
+    if (caslen != 0) 
+    {
       ib_u64_t val;
       checked(ib_tuple_read_u64(tuple, cas_col_idx, &val));
       retval->cas= (uint64_t)val;
     }
-    if (explen != 0) {
+    if (explen != 0) 
+    {
       ib_u32_t val;
       checked(ib_tuple_read_u32(tuple, exp_col_idx, &val));
       retval->exp= (time_t)val;
@@ -288,7 +296,8 @@ static bool do_delete_item(ib_trx_t trx, const void* key, size_t nkey) {
  * Initialize the database storage
  * @return true if the database was initialized successfully, false otherwise
  */
-bool initialize_storage(void) {
+bool initialize_storage(void) 
+{
   ib_err_t error;
   ib_id_t tid;
 
@@ -300,11 +309,15 @@ bool initialize_storage(void) {
 
   /* check to see if the table exists or if we should create the schema */
   error= ib_table_get_id(tablename, &tid);
-  if (error == DB_TABLE_NOT_FOUND) {
-    if (!create_schema()) {
+  if (error == DB_TABLE_NOT_FOUND) 
+  {
+    if (!create_schema()) 
+    {
       return false;
     }
-  } else if (error != DB_SUCCESS) {
+  } 
+  else if (error != DB_SUCCESS) 
+  {
     fprintf(stderr, "Failed to get table id: %s\n", ib_strerror(error));
     return false;
   }
@@ -318,7 +331,8 @@ bool initialize_storage(void) {
 /**
  * Shut down this storage engine
  */
-void shutdown_storage(void) {
+void shutdown_storage(void) 
+{
   checked(ib_shutdown());
  error_exit:
   ;
@@ -329,15 +343,20 @@ void shutdown_storage(void) {
  *
  * @param item the item to store
  */
-void put_item(struct item* item) {
+void put_item(struct item* item) 
+{
   ib_trx_t transaction= ib_trx_begin(IB_TRX_SERIALIZABLE);
-  if (do_put_item(transaction, item)) {
+  if (do_put_item(transaction, item)) 
+  {
     ib_err_t error= ib_trx_commit(transaction);
-    if (error != DB_SUCCESS) {
+    if (error != DB_SUCCESS) 
+    {
       fprintf(stderr, "Failed to store key:\n\t%s\n",
               ib_strerror(error));
     }
-  } else {
+  } 
+  else 
+  {
     ib_err_t error= ib_trx_rollback(transaction);
     if (error != DB_SUCCESS)
       fprintf(stderr, "Failed to roll back the transaction:\n\t%s\n",
@@ -351,10 +370,12 @@ void put_item(struct item* item) {
  * @param nkey number of bytes in the key
  * @return pointer to the item if found
  */
-struct item* get_item(const void* key, size_t nkey) {
+struct item* get_item(const void* key, size_t nkey) 
+{
   ib_trx_t transaction= ib_trx_begin(IB_TRX_SERIALIZABLE);
   struct item* ret= do_get_item(transaction, key, nkey);
   ib_err_t error= ib_trx_rollback(transaction);
+
   if (error != DB_SUCCESS)
     fprintf(stderr, "Failed to roll back the transaction:\n\t%s\n",
             ib_strerror(error));
@@ -445,7 +466,8 @@ bool delete_item(const void* key, size_t nkey) {
  * Flush the entire cache
  * @param when when the cache should be flushed (0 == immediately)
  */
-void flush(uint32_t when __attribute__((unused))) {
+void flush(uint32_t when __attribute__((unused))) 
+{
   /* @TODO implement support for when != 0 */
   ib_trx_t transaction= ib_trx_begin(IB_TRX_REPEATABLE_READ);
   ib_crsr_t cursor= NULL;
@@ -455,7 +477,8 @@ void flush(uint32_t when __attribute__((unused))) {
   checked(ib_cursor_first(cursor));
   checked(ib_cursor_lock(cursor, IB_LOCK_X));
 
-	do {
+  do 
+  {
     checked(ib_cursor_delete_row(cursor));
   } while ((err= ib_cursor_next(cursor)) == DB_SUCCESS);
 
@@ -483,6 +506,18 @@ void flush(uint32_t when __attribute__((unused))) {
  * Update the cas ID in the item structure
  * @param item the item to update
  */
-void update_cas(struct item* item) {
+void update_cas(struct item* item) 
+{
   item->cas= ++cas;
 }
+
+/**
+ * Release all the resources allocated by the item
+ * @param item the item to release
+ */
+void release_item(struct item* item) 
+{
+  free(item->key);
+  free(item->data);
+  free(item);
+}