Merge

[m6w6/libmemcached] / clients / execute.c

diff --git a/clients/execute.c b/clients/execute.c
index e25483392e2876e51b61b202c684a437bd23f423..daede9ec583edb4101a3cca5fd5db4cb52b0ff6b 100644 (file)
--- a/clients/execute.c
+++ b/clients/execute.c
@@ -1,3 +1,14 @@
+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license.  See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary:
+ *
+ */
+
 /*
   Execute a memcached_set() a set of pairs.
   Return the number of rows set.
@@ -9,7 +20,7 @@
 
 unsigned int execute_set(memcached_st *memc, pairs_st *pairs, unsigned int number_of)
 {
-  memcached_return rc;
+  memcached_return_t rc;
   unsigned int x;
   unsigned int pairs_sent;
 
@@ -19,7 +30,7 @@ unsigned int execute_set(memcached_st *memc, pairs_st *pairs, unsigned int numbe
                       pairs[x].value, pairs[x].value_length,
                       0, 0);
     if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_BUFFERED)
-      fprintf(stderr, "Failured on insert of %.*s\n", 
+      fprintf(stderr, "Failured on insert of %.*s\n",
               (unsigned int)pairs[x].key_length, pairs[x].key);
     else
       pairs_sent++;
@@ -34,7 +45,7 @@ unsigned int execute_set(memcached_st *memc, pairs_st *pairs, unsigned int numbe
 */
 unsigned int execute_get(memcached_st *memc, pairs_st *pairs, unsigned int number_of)
 {
-  memcached_return rc;
+  memcached_return_t rc;
   unsigned int x;
   unsigned int retrieved;
 
@@ -46,13 +57,13 @@ unsigned int execute_get(memcached_st *memc, pairs_st *pairs, unsigned int numbe
     uint32_t flags;
     unsigned int fetch_key;
 
-    fetch_key= (unsigned int)random() % number_of;
+    fetch_key= (unsigned int)((unsigned int)random() % number_of);
 
     value= memcached_get(memc, pairs[fetch_key].key, pairs[fetch_key].key_length,
                          &value_length, &flags, &rc);
 
     if (rc != MEMCACHED_SUCCESS)
-      fprintf(stderr, "Failured on read of %.*s\n", 
+      fprintf(stderr, "Failured on read of %.*s\n",
               (unsigned int)pairs[fetch_key].key_length, pairs[fetch_key].key);
     else
       retrieved++;
@@ -62,3 +73,61 @@ unsigned int execute_get(memcached_st *memc, pairs_st *pairs, unsigned int numbe
 
   return retrieved;
 }
+
+/**
+ * Callback function to count the number of results
+ */
+static memcached_return_t callback_counter(const memcached_st *ptr,
+                                           memcached_result_st *result,
+                                           void *context)
+{
+  (void)ptr;
+  (void)result;
+  unsigned int *counter= (unsigned int *)context;
+  *counter= *counter + 1;
+
+  return MEMCACHED_SUCCESS;
+}
+
+/**
+ * Try to run a large mget to get all of the keys
+ * @param memc memcached handle
+ * @param keys the keys to get
+ * @param key_length the length of the keys
+ * @param number_of the number of keys to try to get
+ * @return the number of keys received
+ */
+unsigned int execute_mget(memcached_st *memc,
+                          const char * const *keys,
+                          size_t *key_length,
+                          unsigned int number_of)
+{
+  unsigned int retrieved= 0;
+  memcached_execute_fn callbacks[1]= { [0]= &callback_counter };
+  memcached_return_t rc;
+  rc= memcached_mget_execute(memc, keys, key_length,
+                             (size_t)number_of, callbacks, &retrieved, 1);
+
+  likely (rc == MEMCACHED_SUCCESS || rc == MEMCACHED_NOTFOUND ||
+          rc == MEMCACHED_BUFFERED || rc == MEMCACHED_END)
+  {
+    rc= memcached_fetch_execute(memc, callbacks, (void *)&retrieved, 1);
+    unlikely (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_NOTFOUND &&
+              rc != MEMCACHED_END)
+    {
+      fprintf(stderr, "Failed to execute mget: %s\n",
+              memcached_strerror(memc, rc));
+      memcached_quit(memc);
+      return 0;
+    }
+  }
+  else
+  {
+    fprintf(stderr, "Failed to execute mget: %s\n",
+            memcached_strerror(memc, rc));
+    memcached_quit(memc);
+    return 0;
+  }
+
+  return retrieved;
+}