dfd

package
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 Go to latest Published: Dec 12, 2018 License: MIT Imports: 17 Imported by: 1

Documentation

Overview

Package uid implements unique ID provision for graphs.

Index

Constants

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const Circle = "circle"
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const Cylinder = "cylinder"
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const Diamond = "diamond"
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const Max = int64(^uint64(0) >> 1)

Max is the maximum value of int64.

Variables

This section is empty.

Functions

func Int64sEqual 

func Int64sEqual(a, b Int64s) bool

Int64sEqual reports set equality between the parameters. Sets are equal if and only if they have the same elements.

func NewDfdGraph 

func NewDfdGraph() *dfdGraph

Types

type Client 

type Client struct {
	Config Config
	DFD    *DataFlowDiagram
}

func NewClient 

func NewClient(dot_path string) *Client

func (*Client) DFDFromDOT 

func (client *Client) DFDFromDOT() (encoding.Builder, error)

func (*Client) DFDToDOT 

func (client *Client) DFDToDOT(dfd encoding.Builder) (string, error)

type Config 

type Config struct {
	DFDName string
	DOTPath string
}

type DataFlowDiagram 

type DataFlowDiagram struct {
	Name string

	Processes        map[string]*Process
	ExternalServices map[string]*ExternalService
	DataStores       map[string]*DataStore
	TrustBoundaries  map[string]*TrustBoundary
	Flows            map[string]*Flow
	// contains filtered or unexported fields
}

Graph

func DeserializeDFD 

func DeserializeDFD(id string) *DataFlowDiagram

DeserializeDFD is used when loading a DFD from a DOT file, where an ID is already given

func InitializeDFD 

func InitializeDFD(name string) *DataFlowDiagram

func (*DataFlowDiagram) AddFlow 

func (g *DataFlowDiagram) AddFlow(f graph.Node, t graph.Node, name string) *Flow

func (DataFlowDiagram) AddNode 

func (g DataFlowDiagram) AddNode(n graph.Node)

AddNode adds n to the graph. It panics if the added node ID matches an existing node ID.

func (*DataFlowDiagram) AddNodeElem 

func (g *DataFlowDiagram) AddNodeElem(n graph.Node)

func (*DataFlowDiagram) AddTrustBoundary 

func (dfd *DataFlowDiagram) AddTrustBoundary(name string) (*TrustBoundary, error)

func (DataFlowDiagram) DOTAttributeSetters 

func (g DataFlowDiagram) DOTAttributeSetters() (graph, node, edge encoding.AttributeSetter)

DOTAttributeSetters implements the dot.AttributeSetters interface.

func (DataFlowDiagram) DOTAttributers 

func (g DataFlowDiagram) DOTAttributers() (graph, node, edge encoding.Attributer)

DOTAttributers implements the dot.Attributers interface.

func (*DataFlowDiagram) DOTID 

func (g *DataFlowDiagram) DOTID() string

func (DataFlowDiagram) Edge 

func (g DataFlowDiagram) Edge(uid, vid int64) graph.Edge

Edge returns the edge from u to v if such an edge exists and nil otherwise. The node v must be directly reachable from u as defined by the From method.

func (DataFlowDiagram) Edges 

func (g DataFlowDiagram) Edges() graph.Edges

Edges returns all the edges in the graph.

func (*DataFlowDiagram) ExternalID 

func (dfd *DataFlowDiagram) ExternalID() string

func (*DataFlowDiagram) FindNode 

func (g *DataFlowDiagram) FindNode(id string) graph.Node

FindNode looks for a node with a given id in either the top level graph or a subgraph. It assumes that all Nodes have unique IDs. This *should* be true, but further testing is required to really make this claim.

func (DataFlowDiagram) From 

func (g DataFlowDiagram) From(id int64) graph.Nodes

From returns all nodes in g that can be reached directly from n.

func (*DataFlowDiagram) GetTrustBoundary 

func (dfd *DataFlowDiagram) GetTrustBoundary(id string) *TrustBoundary

func (DataFlowDiagram) HasEdgeBetween 

func (g DataFlowDiagram) HasEdgeBetween(xid, yid int64) bool

HasEdgeBetween returns whether an edge exists between nodes x and y without considering direction.

func (DataFlowDiagram) HasEdgeFromTo 

func (g DataFlowDiagram) HasEdgeFromTo(uid, vid int64) bool

HasEdgeFromTo returns whether an edge exists in the graph from u to v.

func (DataFlowDiagram) NewEdge 

func (g DataFlowDiagram) NewEdge(from, to graph.Node) graph.Edge

NewEdge returns a new Edge from the source to the destination node.

func (DataFlowDiagram) NewNode 

func (g DataFlowDiagram) NewNode() graph.Node

func (DataFlowDiagram) Node 

func (g DataFlowDiagram) Node(id int64) graph.Node

Node returns the node with the given ID if it exists in the graph, and nil otherwise.

func (DataFlowDiagram) Nodes 

func (g DataFlowDiagram) Nodes() graph.Nodes

Nodes returns all the nodes in the graph.

func (*DataFlowDiagram) RemoveDataStore 

func (g *DataFlowDiagram) RemoveDataStore(id string)

func (DataFlowDiagram) RemoveEdge 

func (g DataFlowDiagram) RemoveEdge(fid, tid int64)

RemoveEdge removes the edge with the given end point IDs from the graph, leaving the terminal nodes. If the edge does not exist it is a no-op.

func (*DataFlowDiagram) RemoveExternalService 

func (g *DataFlowDiagram) RemoveExternalService(id string)

func (*DataFlowDiagram) RemoveFlow 

func (g *DataFlowDiagram) RemoveFlow(src_id, dest_id string)

func (DataFlowDiagram) RemoveNode 

func (g DataFlowDiagram) RemoveNode(id int64)

RemoveNode removes the node with the given ID from the graph, as well as any edges attached to it. If the node is not in the graph it is a no-op.

func (*DataFlowDiagram) RemoveProcess 

func (g *DataFlowDiagram) RemoveProcess(id string)

func (*DataFlowDiagram) RemoveTrustBoundary 

func (g *DataFlowDiagram) RemoveTrustBoundary(id string)

func (DataFlowDiagram) SetDOTID 

func (g DataFlowDiagram) SetDOTID(id string)

SetDOTID sets the DOT ID of the graph.

func (DataFlowDiagram) SetEdge 

func (g DataFlowDiagram) SetEdge(e graph.Edge)

SetEdge adds e, an edge from one node to another. If the nodes do not exist, they are added and are set to the nodes of the edge otherwise. It will panic if the IDs of the e.From and e.To are equal.

func (*DataFlowDiagram) Structure 

func (g *DataFlowDiagram) Structure() []dot.Graph

func (DataFlowDiagram) To 

func (g DataFlowDiagram) To(id int64) graph.Nodes

To returns all nodes in g that can reach directly to n.

func (*DataFlowDiagram) ToDOT 

func (dfd *DataFlowDiagram) ToDOT() error

func (*DataFlowDiagram) UpdateName 

func (dfd *DataFlowDiagram) UpdateName(new_name string)

type DataStore 

type DataStore struct {
	Name string
	// contains filtered or unexported fields
}

Node cylinder

func DeserializeDataStore 

func DeserializeDataStore(id string) *DataStore

func NewDataStore 

func NewDataStore(name string) *DataStore

func (DataStore) Attributes 

func (n DataStore) Attributes() []encoding.Attribute

Attributes returns the DOT attributes of the node.

func (*DataStore) DOTID 

func (n *DataStore) DOTID() string

func (*DataStore) ExternalID 

func (n *DataStore) ExternalID() string

func (DataStore) SetAttribute 

func (n DataStore) SetAttribute(attr encoding.Attribute) error

SetAttribute sets a DOT attribute.

func (DataStore) SetDOTID 

func (n DataStore) SetDOTID(id string)

SetDOTID sets a DOT ID.

func (*DataStore) UpdateName 

func (n *DataStore) UpdateName(new_name string)

type DfdGraph 

type DfdGraph interface {
	AddNodeElem(graph.Node)

	RemoveProcess(string)
	RemoveExternalService(string)
	RemoveDataStore(string)
	// contains filtered or unexported methods
}

type DfdNode 

type DfdNode interface {
	ExternalID() string
	UpdateName(string)
	DOTID() string
}

type ExternalService 

type ExternalService struct {
	Name string
	// contains filtered or unexported fields
}

Node diamond

func DeserializeExternalService 

func DeserializeExternalService(id string) *ExternalService

func NewExternalService 

func NewExternalService(name string) *ExternalService

func (ExternalService) Attributes 

func (n ExternalService) Attributes() []encoding.Attribute

Attributes returns the DOT attributes of the node.

func (*ExternalService) DOTID 

func (es *ExternalService) DOTID() string

func (ExternalService) ExternalID 

func (n ExternalService) ExternalID() string

func (ExternalService) SetAttribute 

func (n ExternalService) SetAttribute(attr encoding.Attribute) error

SetAttribute sets a DOT attribute.

func (ExternalService) SetDOTID 

func (n ExternalService) SetDOTID(id string)

SetDOTID sets a DOT ID.

func (*ExternalService) UpdateName 

func (n *ExternalService) UpdateName(new_name string)

type Flow 

type Flow struct {
	// contains filtered or unexported fields
}

Edge

func (*Flow) Attributes 

func (f *Flow) Attributes() []encoding.Attribute

func (Flow) FromPort 

func (e Flow) FromPort() (port, compass string)

func (Flow) SetAttribute 

func (e Flow) SetAttribute(attr encoding.Attribute) error

SetAttribute sets a DOT attribute.

func (Flow) SetFromPort 

func (e Flow) SetFromPort(port, compass string) error

func (Flow) SetToPort 

func (e Flow) SetToPort(port, compass string) error

func (Flow) ToPort 

func (e Flow) ToPort() (port, compass string)

type Int64s 

type Int64s map[int64]struct{}

func (Int64s) Add 

func (s Int64s) Add(e int64)

Add inserts an element into the set.

func (Int64s) Count 

func (s Int64s) Count() int

Count reports the number of elements stored in the set.

func (Int64s) Has 

func (s Int64s) Has(e int64) bool

Has reports the existence of the element in the set.

func (Int64s) Remove 

func (s Int64s) Remove(e int64)

Remove deletes the specified element from the set.

type Process 

type Process struct {
	Name string
	// contains filtered or unexported fields
}

Node circle

func DeserializeProcess 

func DeserializeProcess(id string) *Process

DeserializeProcess returns a pointer to a Process with a given id

func NewProcess 

func NewProcess(name string) *Process

NewProcess returns a pointer to a Process with the given name and an autogenerated id

func (Process) Attributes 

func (n Process) Attributes() []encoding.Attribute

Attributes returns the DOT attributes of the node.

func (*Process) DOTID 

func (p *Process) DOTID() string

func (*Process) ExternalID 

func (p *Process) ExternalID() string

func (Process) SetAttribute 

func (n Process) SetAttribute(attr encoding.Attribute) error

SetAttribute sets a DOT attribute.

func (Process) SetDOTID 

func (n Process) SetDOTID(id string)

SetDOTID sets a DOT ID.

func (*Process) UpdateName 

func (n *Process) UpdateName(new_name string)

type Set 

type Set struct {
	// contains filtered or unexported fields
}

Set implements available ID storage.

func NewSet 

func NewSet() Set

NewSet returns a new Set. The returned value should not be passed except by pointer.

func (*Set) NewID 

func (s *Set) NewID() int64

NewID returns a new unique ID. The ID returned is not considered used until passed in a call to use.

func (*Set) Release 

func (s *Set) Release(id int64)

Release frees the id for reuse.

func (*Set) Use 

func (s *Set) Use(id int64)

Use adds the id to the used IDs in the Set.

type TrustBoundary 

type TrustBoundary struct {
	Name string

	Processes        map[string]*Process
	ExternalServices map[string]*ExternalService
	DataStores       map[string]*DataStore
	// contains filtered or unexported fields
}

Subgraph

func DeserializeTrustBoundary 

func DeserializeTrustBoundary(id string) *TrustBoundary

DeserializeTrustBoundary is used when loading a DFD from a DOT file, where an ID is already given

func InitializeTrustBoundary 

func InitializeTrustBoundary(name string) *TrustBoundary

func (TrustBoundary) AddNode 

func (g TrustBoundary) AddNode(n graph.Node)

AddNode adds n to the graph. It panics if the added node ID matches an existing node ID.

func (*TrustBoundary) AddNodeElem 

func (g *TrustBoundary) AddNodeElem(n graph.Node)

func (TrustBoundary) DOTAttributeSetters 

func (g TrustBoundary) DOTAttributeSetters() (graph, node, edge encoding.AttributeSetter)

DOTAttributeSetters implements the dot.AttributeSetters interface.

func (TrustBoundary) DOTAttributers 

func (g TrustBoundary) DOTAttributers() (graph, node, edge encoding.Attributer)

DOTAttributers implements the dot.Attributers interface.

func (*TrustBoundary) DOTID 

func (g *TrustBoundary) DOTID() string

func (TrustBoundary) Edge 

func (g TrustBoundary) Edge(uid, vid int64) graph.Edge

Edge returns the edge from u to v if such an edge exists and nil otherwise. The node v must be directly reachable from u as defined by the From method.

func (TrustBoundary) Edges 

func (g TrustBoundary) Edges() graph.Edges

Edges returns all the edges in the graph.

func (*TrustBoundary) ExternalID 

func (sg *TrustBoundary) ExternalID() string

func (*TrustBoundary) FindNode 

func (g *TrustBoundary) FindNode(id string) graph.Node

FindNode looks for a node with a given id It assumes that all Nodes have unique IDs. This *should* be true, but further testing is required to really make this claim.

func (TrustBoundary) From 

func (g TrustBoundary) From(id int64) graph.Nodes

From returns all nodes in g that can be reached directly from n.

func (TrustBoundary) HasEdgeBetween 

func (g TrustBoundary) HasEdgeBetween(xid, yid int64) bool

HasEdgeBetween returns whether an edge exists between nodes x and y without considering direction.

func (TrustBoundary) HasEdgeFromTo 

func (g TrustBoundary) HasEdgeFromTo(uid, vid int64) bool

HasEdgeFromTo returns whether an edge exists in the graph from u to v.

func (TrustBoundary) NewEdge 

func (g TrustBoundary) NewEdge(from, to graph.Node) graph.Edge

NewEdge returns a new Edge from the source to the destination node.

func (TrustBoundary) NewNode 

func (g TrustBoundary) NewNode() graph.Node

func (TrustBoundary) Node 

func (g TrustBoundary) Node(id int64) graph.Node

Node returns the node with the given ID if it exists in the graph, and nil otherwise.

func (TrustBoundary) Nodes 

func (g TrustBoundary) Nodes() graph.Nodes

Nodes returns all the nodes in the graph.

func (*TrustBoundary) RemoveDataStore 

func (g *TrustBoundary) RemoveDataStore(id string)

func (TrustBoundary) RemoveEdge 

func (g TrustBoundary) RemoveEdge(fid, tid int64)

RemoveEdge removes the edge with the given end point IDs from the graph, leaving the terminal nodes. If the edge does not exist it is a no-op.

func (*TrustBoundary) RemoveExternalService 

func (g *TrustBoundary) RemoveExternalService(id string)

func (TrustBoundary) RemoveNode 

func (g TrustBoundary) RemoveNode(id int64)

RemoveNode removes the node with the given ID from the graph, as well as any edges attached to it. If the node is not in the graph it is a no-op.

func (*TrustBoundary) RemoveProcess 

func (g *TrustBoundary) RemoveProcess(id string)

func (TrustBoundary) SetDOTID 

func (g TrustBoundary) SetDOTID(id string)

SetDOTID sets the DOT ID of the graph.

func (TrustBoundary) SetEdge 

func (g TrustBoundary) SetEdge(e graph.Edge)

SetEdge adds e, an edge from one node to another. If the nodes do not exist, they are added and are set to the nodes of the edge otherwise. It will panic if the IDs of the e.From and e.To are equal.

func (*TrustBoundary) Subgraph 

func (g *TrustBoundary) Subgraph() graph.Graph

func (TrustBoundary) To 

func (g TrustBoundary) To(id int64) graph.Nodes

To returns all nodes in g that can reach directly to n.

func (*TrustBoundary) UpdateName 

func (sg *TrustBoundary) UpdateName(new_name string)

Source Files

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