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Updating the get function in the C++ interface.
[awesomized/libmemcached] / libmemcached / memcached.hh
diff --git a/libmemcached/memcached.hh b/libmemcached/memcached.hh
index 55b099453a0c43203e1d388bb0c1313581a40492..4e22b61cd22edc5e0c21eaa7a3e7f18d1df1f07b 100644 (file)
--- a/libmemcached/memcached.hh
+++ b/libmemcached/memcached.hh
@@ -1,14 +1,9 @@
-#include "libmemcached/memcached.h"
-#include <string.h>
-#include <stdio.h>
+#include <libmemcached/memcached.h>
 
 #include <string>
 
 class Memcached
 {
-  memcached_st memc;
-  memcached_result_st result;
-
 public:
 
   Memcached() 
@@ -32,7 +27,7 @@ public:
     memcached_free(&memc);
   }
 
-  std::string fetch(const std::string& key, size_t *key_length, size_t *value_length)
+  std::string fetch(std::string& key, size_t *key_length, size_t *value_length)
   {
     uint32_t flags;
     memcached_return rc;
@@ -47,7 +42,7 @@ public:
     return ret_val;
   }
 
-  std::string get(const std::string& key, size_t *value_length)
+  std::string get(const std::string& key, size_t *value_length) 
   {
     uint32_t flags;
     memcached_return rc;
@@ -63,8 +58,8 @@ public:
   }
 
   std::string get_by_key(const std::string& master_key, 
-                   const std::string& key, 
-                   size_t *value_length)
+                         const std::string& key, 
+                         size_t *value_length)
   {
     uint32_t flags;
     memcached_return rc;
@@ -80,138 +75,193 @@ public:
     return ret_val;
   }
 
-  memcached_return mget(char **keys, size_t *key_length, 
-                        unsigned int number_of_keys)
+  bool mget(char **keys, size_t *key_length, 
+            unsigned int number_of_keys)
   {
 
-    return memcached_mget(&memc, keys, key_length, number_of_keys);
+    memcached_return rc= memcached_mget(&memc, keys, key_length, number_of_keys);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return set(const std::string& key, const char *value, size_t value_length)
+  bool set(const std::string& key, const std::string& value)
   {
-    return memcached_set(&memc, key.c_str(), key.length(),
-                         value, value_length,
-                         time_t(0), uint32_t(0));
+    memcached_return rc= memcached_set(&memc, 
+                                       key.c_str(), key.length(),
+                                       value.c_str(), value.length(),
+                                       time_t(0), uint32_t(0));
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return set_by_key(const std::string& master_key, 
-                              const std::string& key, 
-                              const char *value, size_t value_length)
+  bool set_by_key(const std::string& master_key, 
+                  const std::string& key, 
+                  const std::string& value)
   {
-    return memcached_set_by_key(&memc, master_key.c_str(), 
-                                master_key.length(),
-                                key.c_str(), key.length(),
-                                value, value_length,
-                                time_t(0),
-                                uint32_t(0));
+    memcached_return rc= memcached_set_by_key(&memc, master_key.c_str(), 
+                                              master_key.length(),
+                                              key.c_str(), key.length(),
+                                              value.c_str(), value.length(),
+                                              time_t(0),
+                                              uint32_t(0));
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return
-    increment(const std::string& key, unsigned int offset, uint64_t *value)
+  bool increment(const std::string& key, unsigned int offset, uint64_t *value)
   {
-    return memcached_increment(&memc, key.c_str(), key.length(),
-                         offset, value);
+    memcached_return rc= memcached_increment(&memc, key.c_str(), key.length(),
+                                             offset, value);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return
-    decrement(const char *key, unsigned int offset, uint64_t *value)
+  bool decrement(const std::string& key, unsigned int offset, uint64_t *value)
   {
-    return memcached_decrement(&memc, key, strlen(key),
-                         offset, value);
+    memcached_return rc= memcached_decrement(&memc, key.c_str(), 
+                                             key.length(),
+                                             offset, value);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
 
-  memcached_return add(const char *key, const char *value, size_t value_length)
+  bool add(const std::string& key, const std::string& value, size_t value_length)
   {
-    return memcached_add(&memc, key, strlen(key), value, value_length, 0, 0);
+    memcached_return rc= memcached_add(&memc, key.c_str(), key.length(), 
+                                       value.c_str(), value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return add_by_key(const char *master_key, const char *key, 
-                              const char *value, size_t value_length)
+  bool add_by_key(const std::string& master_key, const std::string& key, 
+                  const std::string& value, size_t value_length)
   {
-    return memcached_add_by_key(&memc, master_key, strlen(master_key),
-                                key, strlen(key),
-                                value, value_length,
-                                0, 0);
+    memcached_return rc= memcached_add_by_key(&memc, 
+                                              master_key.c_str(),
+                                              master_key.length(),
+                                              key.c_str(),
+                                              key.length(),
+                                              value.c_str(), 
+                                              value_length,
+                                              0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return replace(const char *key, const char *value, 
-                           size_t value_length)
+  bool replace(const std::string& key, const std::string& value, 
+               size_t value_length)
   {
-    return memcached_replace(&memc, key, strlen(key),
-                     value, value_length,
-                     0, 0);
+    memcached_return rc= memcached_replace(&memc, key.c_str(), key.length(),
+                                           value.c_str(), value_length,
+                                           0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return replace_by_key(const char *master_key, const char *key, 
-                                  const char *value, size_t value_length)
+  bool replace_by_key(const std::string& master_key, const std::string& key, 
+                      const std::string& value, size_t value_length)
   {
-    return memcached_replace_by_key(&memc, master_key, strlen(master_key),
-                                    key, strlen(key),
-                                    value, value_length, 0, 0);
+    memcached_return rc= memcached_replace_by_key(&memc, 
+                                                  master_key.c_str(), 
+                                                  master_key.length(),
+                                                  key.c_str(), 
+                                                  key.length(),
+                                                  value.c_str(), 
+                                                  value_length, 
+                                                  0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return prepend(const char *key, const char *value, 
-                           size_t value_length)
+  bool prepend(const std::string& key, const std::string& value, 
+               size_t value_length)
   {
-    return memcached_prepend(&memc, key, strlen(key),
-                    value, value_length, 0, 0);
+    memcached_return rc= memcached_prepend(&memc, key.c_str(), key.length(),
+                                           value.c_str(), value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return prepend_by_key(const char *master_key, const char *key, 
-                                  const char *value, size_t value_length)
+  bool prepend_by_key(const std::string& master_key, const std::string& key, 
+                      const std::string& value, size_t value_length)
   {
-    return memcached_prepend_by_key(&memc, master_key, strlen(master_key),
-                                    key, strlen(key),
-                                    value, value_length,
-                                    0,
-                                    0);
+    memcached_return rc= memcached_prepend_by_key(&memc, 
+                                                  master_key.c_str(), 
+                                                  master_key.length(),
+                                                  key.c_str(), 
+                                                  key.length(),
+                                                  value.c_str(), 
+                                                  value_length,
+                                                  0,
+                                                  0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return  append(const char *key, const char *value, 
-                           size_t value_length)
+  bool append(const std::string& key, const std::string& value, 
+              size_t value_length)
   {
-    return memcached_append(&memc, key, strlen(key),
-                    value, value_length, 0, 0);
+    memcached_return rc= memcached_append(&memc, 
+                                          key.c_str(), 
+                                          key.length(),
+                                          value.c_str(), 
+                                          value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return  append_by_key(const char *master_key, const char *key, 
-                                  const char *value, size_t value_length)
+  bool append_by_key(const std::string& master_key, const std::string& key, 
+                     const std::string& value, size_t value_length)
   {
-    return memcached_append_by_key(&memc,
-                                   master_key, strlen(master_key),
-                                   key, strlen(key),
-                                   value, value_length, 0, 0);
+    memcached_return rc= memcached_append_by_key(&memc,
+                                                 master_key.c_str(), 
+                                                 master_key.length(),
+                                                 key.c_str(), 
+                                                 key.length(),
+                                                 value.c_str(), 
+                                                 value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return  cas(const char *key, const char *value, 
-                        size_t value_length, uint64_t cas_arg)
+  bool cas(const std::string& key, const std::string& value, 
+           size_t value_length, uint64_t cas_arg)
   {
-    return memcached_cas(&memc, key, strlen(key),
-                    value, value_length, 0, 0, cas_arg);
+    memcached_return rc= memcached_cas(&memc, key.c_str(), key.length(),
+                                       value.c_str(), value_length, 0, 0, cas_arg);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return  cas_by_key(const char *master_key, const char *key, 
-                               const char *value, size_t value_length, 
-                               uint64_t cas_arg)
+  bool cas_by_key(const std::string& master_key, const std::string& key, 
+                  const std::string& value, size_t value_length, 
+                  uint64_t cas_arg)
   {
-    return memcached_cas_by_key(&memc,
-                                master_key, strlen(master_key),
-                                key, strlen(key),
-                                value, value_length,
-                                0, 0, cas_arg);
+    memcached_return rc= memcached_cas_by_key(&memc,
+                                              master_key.c_str(), 
+                                              master_key.length(),
+                                              key.c_str(), 
+                                              key.length(),
+                                              value.c_str(), 
+                                              value_length,
+                                              0, 0, cas_arg);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
   // using 'remove' vs. 'delete' since 'delete' is a keyword 
-  memcached_return remove(const char *key)
+  bool remove(const std::string& key)
   {
-    return memcached_delete (&memc, key, strlen(key), 0);
+    memcached_return rc= memcached_delete(&memc, key.c_str(), key.length(), 0);
+    return (rc == MEMCACHED_SUCCESS);
+  }
 
+  bool delete_by_key(const std::string& master_key, 
+                     const std::string& key)
+  {
+    memcached_return rc= memcached_delete_by_key(&memc, 
+                                                 master_key.c_str(), 
+                                                 master_key.length(),
+                                                 key.c_str(), 
+                                                 key.length(), 
+                                                 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return delete_by_key(const char *master_key, const char *key)
+  const std::string lib_version() const
   {
-    return memcached_delete_by_key(&memc, master_key, strlen(master_key),
-                           key, strlen(key), 0);
+    const char *ver= memcached_lib_version();
+    const std::string version(ver);
+    return version;
   }
+
+private:
+  memcached_st memc;
+  memcached_result_st result;
 };
Resurrection of libmemcached