Changeset 2437 for source/ariba/Name.cpp

Timestamp:

Feb 17, 2009, 12:05:25 PM (15 years ago)

Author:

Christoph Mayer

Message:

-memory leaks und corruption gefixt

File:

• source/ariba/Name.cpp (modified) (1 diff)

source/ariba/Name.cpp

@@ -39 +39 @@
 #include "Name.h"
 
-namespace ariba {
-const Name Name::UNSPECIFIED;
-}
-
 std::ostream& operator<<( std::ostream& s, const ariba::Name& n ) {
         return s << n.toString();
 }
 
+namespace ariba {
+
+const Name Name::UNSPECIFIED;
+
+void Name::init(const char* name, int len, bool copy, bool hreadable) {
+
+        // delete the old buffer
+        if( _bytes != NULL ) {
+                delete[] _bytes;
+                _bytes = NULL;
+                _length = 0;
+        }
+
+        // alloc new stuff
+        if (len == -1)
+                len = strlen(name);
+
+        if (copy) {
+
+                if ((name!=NULL) && (len>0)){
+                        _bytes = new uint8_t[len];
+                        memcpy( _bytes, name, len );
+                } else {
+                        len = 0;
+                        _bytes = NULL;  
+                }
+
+        } else {
+                _bytes = (uint8_t*)name;
+        }
+
+        _copy = copy;
+        _length = len;
+        _hreadable = hreadable;
+}
+
+Name::Name() 
+        : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
+}
+
+Name::Name(const char* name, int len, bool copy) 
+        : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
+        init(name, len, copy, len == -1);
+}
+
+Name::Name(string name) 
+        : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
+        init(name.c_str(), name.length(), true, true);
+}
+
+Name::Name(const Name& name) 
+        : _bytes( NULL ), _length( 0 ), _copy( false ), _hreadable( false) {
+        init((const char*)name.bytes(), name.length(), true, name._hreadable);
+}
+
+Name::~Name() {
+        if (_copy && (_bytes!=NULL)){
+                delete[] _bytes;
+                _bytes = NULL;
+                _length = 0;
+        }
+}
+
+const uint8_t* Name::bytes() const {
+        return _bytes;
+}
+
+const size_t Name::length() const {
+        return _length;
+}
+
+bool Name::operator==(const Name& name) const {
+
+        // unspecified Name objects
+        if (_bytes == NULL && name._bytes == NULL &&
+                length() == name.length()) return true;
+        
+        // specified name objects
+        if (_bytes == NULL || name._bytes == NULL) return false;
+        if (name.length() != length()) return false;
+        return (memcmp(name.bytes(), bytes(), length()) == 0);
+}
+
+bool Name::operator!=(const Name& name) const {
+        return !(*this == name);
+}
+
+bool Name::isUnspecified() const {
+        return *this == UNSPECIFIED;
+}
+
+Name Name::random() {
+        char name[17];
+        for (int i=0;i<16; i++)
+                name[i] = ("abcdefghijklmnopqrstuvwxyz")[((unsigned)rand())%26];
+        name[16] = 0;
+
+        // force use of the std::string ctor with this
+        return Name( string(name) );
+}
+
+string Name::toString() const {
+        if (_hreadable) {
+                char str[256];
+                for (int i=0; i<length(); i++) str[i] = bytes()[i];
+                str[length()] = 0;
+                return string(str);
+        } else {
+                return string("<not readable>");
+        }
+}
+
+NodeID Name::toNodeId() const {
+        if( bytes()==NULL || length()==0 ) return NodeID::UNSPECIFIED;
+        return NodeID( Identifier::sha1(bytes(),length()) );
+}
+
+SpoVNetID Name::toSpoVNetId() const {
+        if( bytes()==NULL || length()==0 ) return SpoVNetID::UNSPECIFIED;
+        return SpoVNetID( Identifier::sha1(bytes(),length()) );
+}
+
+} // namespace ariba