StreamBootPush.cpp

#include "Headers.h"
#include "StreamBootPush.h"

void CStreamBootPush::Register(CAddress host, CAddress source)
{
    this->hosts.insert(pair<CAddress, CStreamBootEntry>(host, CStreamBootEntry(source)));
}

void CStreamBootPush::Deregister(CAddress host)
{
    this->hosts.erase(host);
}

bool CStreamBootPush::IsDependent(CAddress host, CAddress parent)
{
    // For all ancestors from the parent to the root
    for(CAddress ancestor = parent; ancestor != this->root;)
    {
        // If the host is an ancestor of the parent, return true
        if(ancestor == host) return true;

        // Else, get the entry of the ancestor
        List::iterator entry = this->hosts.find(ancestor);

        // If there is not entry for the ancestor (the ancestor is orphan), return true
        if(this->hosts.end() == entry) return true;

        // Else, move the the source of the ancestor
        ancestor = entry->second.Source();
    }
    return false;
}