reorganize directories

[awesomized/libmemcached] / src / util / operation.hpp

diff --git a/src/util/operation.hpp b/src/util/operation.hpp
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+/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ * 
+ *  DataDifferential Utility Library
+ *
+ *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are
+ *  met:
+ *
+ *      * Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *
+ *      * Redistributions in binary form must reproduce the above
+ *  copyright notice, this list of conditions and the following disclaimer
+ *  in the documentation and/or other materials provided with the
+ *  distribution.
+ *
+ *      * The names of its contributors may not be used to endorse or
+ *  promote products derived from this software without specific prior
+ *  written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#pragma once
+
+
+#include <cstring>
+#include <iosfwd>
+#include <vector>
+
+namespace datadifferential {
+namespace util {
+
+class Operation {
+  typedef std::vector<char> Packet;
+
+public:
+  typedef std::vector<Operation *> vector;
+
+  Operation(const char *command, size_t command_length, bool expect_response= true) :
+    _expect_response(expect_response),
+    packet(),
+    _response()
+  {
+    packet.resize(command_length);
+    memcpy(&packet[0], command, command_length);
+  }
+
+  ~Operation()
+  { }
+
+  size_t size() const
+  {
+    return packet.size();
+  }
+
+  const char* ptr() const
+  {
+    return &(packet)[0];
+  }
+
+  bool has_response() const
+  {
+    return _expect_response;
+  }
+
+  void push(const char *buffer, size_t buffer_size)
+  {
+    size_t response_size= _response.size();
+    _response.resize(response_size +buffer_size);
+    memcpy(&_response[0] +response_size, buffer, buffer_size);
+  }
+
+  // Return false on error
+  bool response(std::string &);
+
+  bool reconnect() const
+  {
+    return false;
+  }
+
+private:
+  bool _expect_response;
+  Packet packet;
+  Packet _response;
+};
+
+} /* namespace util */
+} /* namespace datadifferential */