Initial support for the binary protocol
[awesomized/libmemcached] / libmemcached / memcached_delete.c
index a105f552e096a29be1075e2cfb3287ffe500faba..5ec2fca31891cf3803d5856ebd7694de71f6ef29 100644 (file)
@@ -7,6 +7,12 @@ memcached_return memcached_delete(memcached_st *ptr, const char *key, size_t key
                                  key, key_length, expiration);
 }
 
+static inline memcached_return binary_delete(memcached_st *ptr, 
+                                             unsigned int server_key,
+                                             const char *key, 
+                                             size_t key_length,
+                                            int flush);
+
 memcached_return memcached_delete_by_key(memcached_st *ptr, 
                                          const char *master_key, size_t master_key_length,
                                          const char *key, size_t key_length,
@@ -27,28 +33,33 @@ memcached_return memcached_delete_by_key(memcached_st *ptr,
     return MEMCACHED_NO_SERVERS;
 
   server_key= memcached_generate_hash(ptr, master_key, master_key_length);
-
-  if (expiration)
-    send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
-                          "delete %s%.*s %llu\r\n", 
-                          ptr->prefix_key,
-                          (int)key_length, key, 
-                          (unsigned long long)expiration);
-  else
-    send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
-                          "delete %s%.*s\r\n", 
-                          ptr->prefix_key,
-                          (int)key_length, key);
-
-  if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE)
+  to_write= (ptr->flags & MEM_BUFFER_REQUESTS) ? 0 : 1;
+     
+  if (ptr->flags & MEM_BINARY_PROTOCOL) 
+    rc= binary_delete(ptr, server_key, key, key_length, to_write);
+  else 
   {
-    rc= MEMCACHED_WRITE_FAILURE;
-    goto error;
+    if (expiration)
+      send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
+                            "delete %s%.*s %llu\r\n", 
+                            ptr->prefix_key,
+                            (int)key_length, key, 
+                            (unsigned long long)expiration);
+    else
+       send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, 
+                             "delete %s%.*s\r\n", 
+                             ptr->prefix_key,
+                             (int)key_length, key);
+    
+    if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE) 
+    {
+      rc= MEMCACHED_WRITE_FAILURE;
+      goto error;
+    }
+     
+    rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, to_write);
   }
 
-  to_write= (ptr->flags & MEM_BUFFER_REQUESTS) ? 0 : 1;
-
-  rc= memcached_do(&ptr->hosts[server_key], buffer, send_length, to_write);
   if (rc != MEMCACHED_SUCCESS)
     goto error;
 
@@ -70,3 +81,29 @@ error:
   LIBMEMCACHED_MEMCACHED_DELETE_END();
   return rc;
 }
+
+static inline memcached_return binary_delete(memcached_st *ptr, 
+                                             unsigned int server_key,
+                                             const char *key, 
+                                            size_t key_length,
+                                            int flush)
+{
+  protocol_binary_request_delete request= {0};
+
+  request.message.header.request.magic= PROTOCOL_BINARY_REQ;
+  request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETE;
+  request.message.header.request.keylen= htons((uint16_t)key_length);
+  request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
+  request.message.header.request.bodylen= htonl(key_length);
+  
+  if ((memcached_do(&ptr->hosts[server_key], request.bytes, 
+                    sizeof(request.bytes), 0) != MEMCACHED_SUCCESS) ||
+      (memcached_io_write(&ptr->hosts[server_key], key, 
+                          key_length, flush) == -1)) 
+  {
+    memcached_io_reset(&ptr->hosts[server_key]);
+    return MEMCACHED_WRITE_FAILURE;
+  }
+
+  return MEMCACHED_SUCCESS;
+}