| 1 | // [License]
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| 2 | // The Ariba-Underlay Copyright
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| 3 | //
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| 4 | // Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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| 5 | //
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| 6 | // Institute of Telematics
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| 7 | // UniversitÀt Karlsruhe (TH)
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| 8 | // Zirkel 2, 76128 Karlsruhe
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| 9 | // Germany
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| 10 | //
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| 11 | // Redistribution and use in source and binary forms, with or without
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| 12 | // modification, are permitted provided that the following conditions are
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| 13 | // met:
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| 14 | //
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| 15 | // 1. Redistributions of source code must retain the above copyright
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| 16 | // notice, this list of conditions and the following disclaimer.
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| 17 | // 2. Redistributions in binary form must reproduce the above copyright
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| 18 | // notice, this list of conditions and the following disclaimer in the
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| 19 | // documentation and/or other materials provided with the distribution.
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| 20 | //
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| 21 | // THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
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| 22 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 24 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OF TELEMATICS OR
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| 25 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 27 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 28 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 29 | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 30 | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 31 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 32 | //
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| 33 | // The views and conclusions contained in the software and documentation
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| 34 | // are those of the authors and should not be interpreted as representing
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| 35 | // official policies, either expressed or implied, of the Institute of
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| 36 | // Telematics.
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| 37 | // [License]
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| 38 |
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| 39 | #include "Name.h"
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| 40 |
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| 41 | std::ostream& operator<<( std::ostream& s, const ariba::Name& n ) {
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| 42 | return s << n.toString();
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| 43 | }
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| 44 |
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| 45 | namespace ariba {
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| 46 |
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| 47 | const Name Name::UNSPECIFIED;
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| 48 |
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| 49 | void Name::init(const char* name, int len, bool copy, bool hreadable) {
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| 50 |
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| 51 | // delete the old buffer
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| 52 | if( _bytes != NULL ) {
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| 53 | delete[] _bytes;
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| 54 | _bytes = NULL;
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| 55 | _length = 0;
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| 56 | }
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| 57 |
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| 58 | // alloc new stuff
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| 59 | if (len == -1)
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| 60 | len = strlen(name);
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| 61 |
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| 62 | if (copy) {
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| 63 |
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| 64 | if ( (name!=NULL) && (len>0) ){
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| 65 | _bytes = new uint8_t[len];
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| 66 | memcpy( _bytes, name, len );
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| 67 | } else {
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| 68 | len = 0;
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| 69 | _bytes = NULL;
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| 70 | }
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| 71 |
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| 72 | } else {
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| 73 | _bytes = (uint8_t*)name;
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| 74 | }
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| 75 |
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| 76 | _copy = copy;
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| 77 | _length = len;
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| 78 | _hreadable = hreadable;
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| 79 | }
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| 80 |
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| 81 | Name::Name()
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| 82 | : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
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| 83 | }
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| 84 |
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| 85 | Name::Name(const char* name, int len, bool copy)
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| 86 | : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
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| 87 | init(name, len, copy, len == -1);
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| 88 | }
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| 89 |
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| 90 | Name::Name(string name)
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| 91 | : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
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| 92 | init(name.c_str(), name.length(), true, true);
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| 93 | }
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| 94 |
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| 95 | Name::Name(const Name& name)
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| 96 | : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
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| 97 | init((const char*)name.bytes(), name.length(), true, name._hreadable);
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| 98 | }
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| 99 |
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| 100 | Name::~Name() {
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| 101 | if (_copy && (_bytes!=NULL)){
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| 102 | delete[] _bytes;
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| 103 | _bytes = NULL;
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| 104 | _length = 0;
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| 105 | }
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| 106 | }
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| 107 |
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| 108 | Name& Name::operator=( const Name& name ) {
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| 109 | init((const char*)name.bytes(), name.length(), true, name._hreadable);
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| 110 | }
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| 111 |
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| 112 | const uint8_t* Name::bytes() const {
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| 113 | return _bytes;
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| 114 | }
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| 115 |
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| 116 | const size_t Name::length() const {
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| 117 | return _length;
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| 118 | }
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| 119 |
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| 120 | bool Name::operator==(const Name& name) const {
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| 121 |
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| 122 | // unspecified Name objects
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| 123 | if (_bytes == NULL && name._bytes == NULL &&
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| 124 | length() == name.length()) return true;
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| 125 |
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| 126 | // specified name objects
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| 127 | if (_bytes == NULL || name._bytes == NULL) return false;
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| 128 | if (name.length() != length()) return false;
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| 129 | return (memcmp(name.bytes(), bytes(), length()) == 0);
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| 130 | }
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| 131 |
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| 132 | bool Name::operator!=(const Name& name) const {
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| 133 | return !(*this == name);
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| 134 | }
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| 135 |
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| 136 | bool Name::isUnspecified() const {
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| 137 | return *this == UNSPECIFIED;
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| 138 | }
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| 139 |
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| 140 | Name Name::random() {
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| 141 | char name[17];
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| 142 | srand( time(NULL) );
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| 143 |
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| 144 | for (int i=0;i<16; i++)
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| 145 | name[i] = ("abcdefghijklmnopqrstuvwxyz")[((unsigned)rand())%26];
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| 146 | name[16] = 0;
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| 147 |
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| 148 | // force use of the std::string ctor with this
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| 149 | return Name( string(name) );
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| 150 | }
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| 151 |
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| 152 | string Name::toString() const {
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| 153 | if (_hreadable) {
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| 154 | char str[256];
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| 155 | for (int i=0; i<length(); i++) str[i] = bytes()[i];
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| 156 | str[length()] = 0;
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| 157 | return string(str);
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| 158 | } else {
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| 159 | return string("<not readable>");
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| 160 | }
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| 161 | }
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| 162 |
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| 163 | NodeID Name::toNodeId() const {
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| 164 | if( bytes()==NULL || length()==0 ) return NodeID::UNSPECIFIED;
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| 165 | return NodeID( Identifier::sha1(bytes(),length()) );
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| 166 | }
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| 167 |
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| 168 | SpoVNetID Name::toSpoVNetId() const {
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| 169 | if( bytes()==NULL || length()==0 ) return SpoVNetID::UNSPECIFIED;
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| 170 | return SpoVNetID( Identifier::sha1(bytes(),length()) );
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| 171 | }
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| 172 |
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| 173 | } // namespace ariba
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