Packets: Refactor refcounting for performance
[senf.git] / senf / Packets / PacketImpl.cci
index 8c863d1..70ac003 100644 (file)
@@ -33,7 +33,7 @@
 ///////////////////////////////////////////////////////////////////////////
 // senf::detail::AnnotationRegistry
 
-prefix_ void senf::detail::AnnotationRegistry::dump(key_t key, std::ostream & os,
+prefix_ void senf::detail::AnnotationRegistry::dump(key_type key, std::ostream & os,
                                                     void * annotation)
     const
 {
@@ -45,27 +45,41 @@ prefix_ void senf::detail::AnnotationRegistry::dump(key_t key, std::ostream & os
     }
 }
 
-prefix_ std::string senf::detail::AnnotationRegistry::name(key_t key)
+prefix_ std::string senf::detail::AnnotationRegistry::name(key_type key)
     const
 {
     Registry::const_iterator i (registry_.find(key));
     return i == registry_.end() ? "" : i->second->v_name();
 }
 
-prefix_ bool senf::detail::AnnotationRegistry::isComplex(key_t key)
+prefix_ bool senf::detail::AnnotationRegistry::isComplex(key_type key)
     const
 {
     Registry::const_iterator i (registry_.find(key));
     return i != registry_.end() && i->second->v_isComplex();
 }
 
-prefix_ unsigned senf::detail::AnnotationRegistry::size(key_t key)
+prefix_ unsigned senf::detail::AnnotationRegistry::size(key_type key)
     const
 {
     Registry::const_iterator i (registry_.find(key));
     return i == registry_.end() ? 0 : i->second->v_size();
 }
 
+prefix_ senf::detail::AnnotationRegistry::iterator senf::detail::AnnotationRegistry::begin()
+    const
+{
+    return boost::make_transform_iterator(index_.begin(),
+                                          __gnu_cxx::select2nd<Index::value_type>());
+}
+
+prefix_ senf::detail::AnnotationRegistry::iterator senf::detail::AnnotationRegistry::end()
+    const
+{
+    return boost::make_transform_iterator(index_.end(),
+                                          __gnu_cxx::select2nd<Index::value_type>());
+}
+
 prefix_ senf::detail::AnnotationRegistry::AnnotationRegistry()
     : simpleAnnotationCount_ (0), complexAnnotationCount_ (0)
 {}
@@ -112,9 +126,9 @@ prefix_ senf::detail::PacketImpl::PacketImpl(size_type size, byte initValue)
 
 // reference/memory management
 
-prefix_ void senf::detail::PacketImpl::add_ref(refcount_t n)
+prefix_ void senf::detail::PacketImpl::add_ref()
 {
-    refcount_ += n;
+    ++ refcount_;
 }
 
 prefix_ senf::detail::PacketImpl::refcount_t senf::detail::PacketImpl::refcount()
@@ -217,24 +231,9 @@ prefix_ senf::detail::PacketImpl::size_type senf::detail::PacketImpl::capacity()
     return data_.capacity();
 }
 
-// This function has a problem being inlined. Somehow, often when calling this, the size of the
-// resulting inlined code would be huge?
-
-prefix_ void senf::detail::PacketImpl::release(refcount_t n)
-{
-    SENF_ASSERT(refcount_ >= n, "Internal failure: Releasing dead PacketImpl ??");
-    // uah ... we need to be extremely careful here. If refcount_ is n, we want to commit suicide,
-    // however the destructor will remove all PacketInterpreters from the list and will thereby
-    // decrement refcount -> only decrement refcount_ when *not* calling delete
-    if (refcount_ == n)
-        delete this;
-    else
-        refcount_ -= n;
-}
-
 // Annotations
 
-prefix_ void * senf::detail::PacketImpl::annotation(AnnotationRegistry::key_t key)
+prefix_ void * senf::detail::PacketImpl::annotation(AnnotationRegistry::key_type key)
 {
     return key >= 0 ? & simpleAnnotations_[key] : complexAnnotation(key);
 }