X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached.hh;h=4e22b61cd22edc5e0c21eaa7a3e7f18d1df1f07b;hb=7b548d21a8eafec0b830ad1bd6429cecd4eaeba8;hp=f7e349e7ee2fca05a4e28a8e8b5e78424f89610a;hpb=2f44187ce709c4524aef74f9d2e788d5845829d5;p=awesomized%2Flibmemcached

diff --git a/libmemcached/memcached.hh b/libmemcached/memcached.hh
index f7e349e7..4e22b61c 100644
--- a/libmemcached/memcached.hh
+++ b/libmemcached/memcached.hh
@@ -1,100 +1,267 @@
-#ifdef USE_PRAGMA_INTERFACE
-#pragma interface                       /* gcc class implementation */
-#endif
+#include <libmemcached/memcached.h>
 
-#include <memcached.h>
-#include <string.h>
-#include <stdio.h>
+#include <string>
 
 class Memcached
 {
-  memcached_st memc;
-
 public:
 
-  Memcached()
+  Memcached() 
+    : 
+      memc(),
+      result()
   {
     memcached_create(&memc);
   }
 
-  Memcached(memcached_st *clone)
+  Memcached(memcached_st *clone) 
+    : 
+      memc(),
+      result()
   {
     memcached_clone(&memc, clone);
   }
 
-  char *get(char *key, size_t *value_length)
+  ~Memcached()
+  {
+    memcached_free(&memc);
+  }
+
+  std::string fetch(std::string& key, size_t *key_length, size_t *value_length)
   {
     uint32_t flags;
     memcached_return rc;
+    std::string ret_val;
 
-    return memcached_get(&memc, key, strlen(key),
-                         value_length, &flags, &rc);
+    char *value= memcached_fetch(&memc, const_cast<char *>(key.c_str()), key_length,
+                                 value_length, &flags, &rc);
+    if (value)
+    {
+      ret_val.assign(value);
+    }
+    return ret_val;
   }
 
-  char *get_by_key(char *master_key, char *key, size_t *value_length)
+  std::string get(const std::string& key, size_t *value_length) 
   {
     uint32_t flags;
     memcached_return rc;
+    std::string ret_val;
 
-    return memcached_get_by_key(&memc, master_key, strlen(master_key), key, strlen(key),
-                                value_length, &flags, &rc);
+    char *value= memcached_get(&memc, key.c_str(), key.length(),
+                               value_length, &flags, &rc);
+    if (value)
+    {
+      ret_val.assign(value);
+    }
+    return ret_val;
   }
 
-  memcached_return mget(char **keys, size_t *key_length, unsigned int number_of_keys)
+  std::string get_by_key(const std::string& master_key, 
+                         const std::string& key, 
+                         size_t *value_length)
   {
+    uint32_t flags;
+    memcached_return rc;
+    std::string ret_val;
 
-    return memcached_mget(&memc, keys, key_length, number_of_keys);
+    char *value= memcached_get_by_key(&memc, master_key.c_str(), master_key.length(), 
+                                      key.c_str(), key.length(),
+                                      value_length, &flags, &rc);
+    if (value)
+    {
+      ret_val.assign(value);
+    }
+    return ret_val;
   }
 
-  memcached_return set(char *key, char *value, size_t value_length)
+  bool mget(char **keys, size_t *key_length, 
+            unsigned int number_of_keys)
   {
-    return memcached_set(&memc, key, strlen(key),
-                         value, value_length,
-                         (time_t)0, (uint32_t)0);
+
+    memcached_return rc= memcached_mget(&memc, keys, key_length, number_of_keys);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return set_by_key(char *master_key, char *key, char *value, size_t value_length)
+  bool set(const std::string& key, const std::string& value)
   {
-    return memcached_set_by_key(&memc, master_key, strlen(master_key),
-                         key, strlen(key),
-                         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);
   }
 
+  bool set_by_key(const std::string& master_key, 
+                  const std::string& key, 
+                  const std::string& value)
+  {
+    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 add(char *key, char *value, size_t value_length)
+  bool increment(const std::string& key, unsigned int offset, uint64_t *value)
   {
-    return memcached_add(&memc, key, strlen(key),
-                 value, value_length,
-                 (time_t)0, (uint32_t)0);
+    memcached_return rc= memcached_increment(&memc, key.c_str(), key.length(),
+                                             offset, value);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return replace(char *key, char *value, size_t value_length)
+  bool decrement(const std::string& key, unsigned int offset, uint64_t *value)
   {
-    return memcached_replace(&memc, key, strlen(key),
-                     value, value_length,
-                     (time_t)0, (uint32_t)0);
+    memcached_return rc= memcached_decrement(&memc, key.c_str(), 
+                                             key.length(),
+                                             offset, value);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
-  memcached_return prepend(char *key, char *value, size_t value_length)
+
+  bool add(const std::string& key, const std::string& value, size_t value_length)
   {
-    return memcached_prepend(&memc, key, strlen(key),
-                    value, value_length,
-                    (time_t)0,
-                    (uint32_t)0);
+    memcached_return rc= memcached_add(&memc, key.c_str(), key.length(), 
+                                       value.c_str(), value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
   }
 
+  bool add_by_key(const std::string& master_key, const std::string& key, 
+                  const std::string& value, size_t value_length)
+  {
+    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);
+  }
+
+  bool replace(const std::string& key, const std::string& value, 
+               size_t value_length)
+  {
+    memcached_return rc= memcached_replace(&memc, key.c_str(), key.length(),
+                                           value.c_str(), value_length,
+                                           0, 0);
+    return (rc == MEMCACHED_SUCCESS);
+  }
 
-  memcached_return  append(char *key, 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_append(&memc, key, strlen(key),
-                    value, value_length,
-                    (time_t)0,
-                    (uint32_t)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()
- {
-   memcached_free(&memc);
- }
+
+  bool prepend(const std::string& key, const std::string& value, 
+               size_t value_length)
+  {
+    memcached_return rc= memcached_prepend(&memc, key.c_str(), key.length(),
+                                           value.c_str(), value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
+  }
+
+  bool prepend_by_key(const std::string& master_key, const std::string& key, 
+                      const std::string& value, size_t value_length)
+  {
+    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);
+  }
+
+  bool append(const std::string& key, const std::string& value, 
+              size_t value_length)
+  {
+    memcached_return rc= memcached_append(&memc, 
+                                          key.c_str(), 
+                                          key.length(),
+                                          value.c_str(), 
+                                          value_length, 0, 0);
+    return (rc == MEMCACHED_SUCCESS);
+  }
+
+  bool append_by_key(const std::string& master_key, const std::string& key, 
+                     const std::string& value, size_t value_length)
+  {
+    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);
+  }
+
+  bool cas(const std::string& key, const std::string& value, 
+           size_t value_length, uint64_t 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);
+  }
+
+  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)
+  {
+    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 
+  bool remove(const std::string& key)
+  {
+    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);
+  }
+
+  const std::string lib_version() const
+  {
+    const char *ver= memcached_lib_version();
+    const std::string version(ver);
+    return version;
+  }
+
+private:
+  memcached_st memc;
+  memcached_result_st result;
 };