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package reorg: remove pkg connection, rename ConnetionSet to Endpoint… (
#74) * package reorg: remove pkg connection, rename ConnetionSet to EndpointsTrafficSet Signed-off-by: adisos <[email protected]> * update comment Signed-off-by: adisos <[email protected]> * few updates Signed-off-by: adisos <[email protected]> --------- Signed-off-by: adisos <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| Copyright 2023- IBM Inc. All Rights Reserved. | ||
| SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package netset | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/np-guard/models/pkg/ds" | ||
| ) | ||
|
|
||
| // EndpointsTrafficSet captures a set of traffic attributes for tuples of (source IP range, desination IP range, TransportSet), | ||
| // where TransportSet is a set of TCP/UPD/ICMP with their properties (src,dst ports / icmp type,code) | ||
| type EndpointsTrafficSet struct { | ||
| props ds.TripleSet[*IPBlock, *IPBlock, *TransportSet] | ||
| } | ||
|
|
||
| // EmptyEndpointsTrafficSet returns an empty EndpointsTrafficSet | ||
| func EmptyEndpointsTrafficSet() *EndpointsTrafficSet { | ||
| return &EndpointsTrafficSet{props: ds.NewLeftTripleSet[*IPBlock, *IPBlock, *TransportSet]()} | ||
| } | ||
|
|
||
| // Equal returns true is this EndpointsTrafficSet captures the exact same set of connections as `other` does. | ||
| func (c *EndpointsTrafficSet) Equal(other *EndpointsTrafficSet) bool { | ||
| return c.props.Equal(other.props) | ||
| } | ||
|
|
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| // Copy returns new EndpointsTrafficSet object with same set of connections as current one | ||
| func (c *EndpointsTrafficSet) Copy() *EndpointsTrafficSet { | ||
| return &EndpointsTrafficSet{ | ||
| props: c.props.Copy(), | ||
| } | ||
| } | ||
|
|
||
| // Intersect returns a EndpointsTrafficSet object with connection tuples that result from intersection of | ||
| // this and `other` sets | ||
| func (c *EndpointsTrafficSet) Intersect(other *EndpointsTrafficSet) *EndpointsTrafficSet { | ||
| return &EndpointsTrafficSet{props: c.props.Intersect(other.props)} | ||
| } | ||
|
|
||
| // IsEmpty returns true of the EndpointsTrafficSet is empty | ||
| func (c *EndpointsTrafficSet) IsEmpty() bool { | ||
| return c.props.IsEmpty() | ||
| } | ||
|
|
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| // Union returns a EndpointsTrafficSet object with connection tuples that result from union of | ||
| // this and `other` sets | ||
| func (c *EndpointsTrafficSet) Union(other *EndpointsTrafficSet) *EndpointsTrafficSet { | ||
| if other.IsEmpty() { | ||
| return c.Copy() | ||
| } | ||
| if c.IsEmpty() { | ||
| return other.Copy() | ||
| } | ||
| return &EndpointsTrafficSet{ | ||
| props: c.props.Union(other.props), | ||
| } | ||
| } | ||
|
|
||
| // Subtract returns a EndpointsTrafficSet object with connection tuples that result from subtraction of | ||
| // `other` from this set | ||
| func (c *EndpointsTrafficSet) Subtract(other *EndpointsTrafficSet) *EndpointsTrafficSet { | ||
| if other.IsEmpty() { | ||
| return c.Copy() | ||
| } | ||
| return &EndpointsTrafficSet{props: c.props.Subtract(other.props)} | ||
| } | ||
|
|
||
| // IsSubset returns true if c is subset of other | ||
| func (c *EndpointsTrafficSet) IsSubset(other *EndpointsTrafficSet) bool { | ||
| return c.props.IsSubset(other.props) | ||
| } | ||
|
|
||
| // NewEndpointsTrafficSet returns a new EndpointsTrafficSet object from input src, dst IP-ranges sets ands | ||
| // TransportSet connections | ||
| func NewEndpointsTrafficSet(src, dst *IPBlock, conn *TransportSet) *EndpointsTrafficSet { | ||
| return &EndpointsTrafficSet{props: ds.CartesianLeftTriple(src, dst, conn)} | ||
| } | ||
|
|
||
| func (c *EndpointsTrafficSet) Partitions() []ds.Triple[*IPBlock, *IPBlock, *TransportSet] { | ||
| return c.props.Partitions() | ||
| } | ||
|
|
||
| func cubeStr(c ds.Triple[*IPBlock, *IPBlock, *TransportSet]) string { | ||
| return fmt.Sprintf("src: %s, dst: %s, conns: %s", c.S1.String(), c.S2.String(), c.S3.String()) | ||
| } | ||
|
|
||
| func (c *EndpointsTrafficSet) String() string { | ||
| cubes := c.Partitions() | ||
| var resStrings = make([]string, len(cubes)) | ||
| for i, cube := range cubes { | ||
| resStrings[i] = cubeStr(cube) | ||
| } | ||
| sort.Strings(resStrings) | ||
| return strings.Join(resStrings, comma) | ||
| } |
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