Apache Qpid C++ API
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qpid/framing/Uuid.h

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00001 #ifndef QPID_FRAMING_UUID_H
00002 #define QPID_FRAMING_UUID_H
00003 
00004 /*
00005  *
00006  * Copyright (c) 2006 The Apache Software Foundation
00007  *
00008  * Licensed under the Apache License, Version 2.0 (the "License");
00009  * you may not use this file except in compliance with the License.
00010  * You may obtain a copy of the License at
00011  *
00012  *    http://www.apache.org/licenses/LICENSE-2.0
00013  *
00014  * Unless required by applicable law or agreed to in writing, software
00015  * distributed under the License is distributed on an "AS IS" BASIS,
00016  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00017  * See the License for the specific language governing permissions and
00018  * limitations under the License.
00019  *
00020  */
00021 
00022 #include "qpid/sys/uuid.h"
00023 #include "qpid/sys/IntegerTypes.h"
00024 
00025 #include <boost/array.hpp>
00026 
00027 #include <ostream>
00028 #include <istream>
00029 
00030 namespace qpid {
00031 namespace framing {
00032 
00033 class Buffer;
00034 
00041 struct Uuid : public boost::array<uint8_t, 16> {
00043     Uuid(bool unique=false) { if (unique) generate(); else clear(); }
00044 
00046     Uuid(uint8_t* data) { assign(data); }
00047 
00049     void assign(uint8_t* data) {
00050         uuid_copy(c_array(), data);
00051     }
00052     
00054     void generate() { uuid_generate(c_array()); }
00055 
00057     void clear() { uuid_clear(c_array()); }
00058     
00060     bool isNull() {
00061         return uuid_is_null(data());
00062     }
00063 
00064     // Default op= and copy ctor are fine.
00065     // boost::array gives us ==, < etc.
00066 
00067     void encode(framing::Buffer& buf) const;
00068     void decode(framing::Buffer& buf);
00069     uint32_t encodedSize() const { return size(); }
00070 
00072     std::string str() const;
00073 
00074     template <class S> void serialize(S& s) {
00075         s.raw(begin(), size());
00076     }
00077 };
00078 
00080 std::ostream& operator<<(std::ostream&, Uuid);
00081 
00083 std::istream& operator>>(std::istream&, Uuid&);
00084 
00085 }} // namespace qpid::framing
00086 
00087 
00088 
00089 #endif  

Qpid C++ API Reference
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