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Add bif that allows searching for all matching subnets in table.

Browse source 
Example:

global test: set[subnet] = {
	10.0.0.0/8,
	10.1.0.0/16,
	10.2.0.0/16,
	10.2.0.2/31
}

print matching_subnets(10.2.0.2/32, test);
->
[10.2.0.2/31, 10.2.0.0/16, 10.0.0.0/8]
This commit is contained in:
Johanna Amann 2016-03-09 12:24:00 -08:00
parent 42e4072673
commit 562e5a9f63
10 changed files with 274 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/PrefixTable.h
View file

@ -36,6 +36,10 @@ public:
void* Lookup(const IPAddr& addr, int width, bool exact = false) const;
void* Lookup(const Val* value, bool exact = false) const;
// Returns list of all found matches or empty list otherwhise.
list<IPPrefix> FindAll(const IPAddr& addr, int width) const;
list<IPPrefix> FindAll(const SubNetVal* value) const;
// Returns pointer to data or nil if not found.
void* Remove(const IPAddr& addr, int width);
void* Remove(const Val* value);
@ -45,6 +49,10 @@ public:
iterator InitIterator();
void* GetNext(iterator* i);
private:
static prefix_t* MakePrefix(const IPAddr& addr, int width);
static IPPrefix PrefixToIPPrefix(prefix_t* p);
patricia_tree_t* tree;
};