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Code Issues Releases Wiki Activity

[TASK] refactoring of filters (#114)

This commit is contained in:
Julian Kornberger 2018-01-13 19:08:46 +01:00 committed by Martin/Geno
parent 0d186677e4
commit 6b522c629c
No known key found for this signature in database
GPG Key ID: F0D39A37E925E941
27 changed files with 724 additions and 432 deletions
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3
cmd/config_test.go
View File

@ -31,6 +31,9 @@ func TestReadConfig(t *testing.T) {
"enable": false,
"nodes_path": "/var/www/html/meshviewer/data/nodes.json",
"graph_path": "/var/www/html/meshviewer/data/graph.json",
"filter": map[string]interface{}{
"no_owner": true,
},
}, meshviewer)
_, err = ReadConfigFile("testdata/config_invalid.toml")

22
config_example.toml
View File

@ -46,12 +46,16 @@ offline_after = "10m"
# For each output format there can be set different filters
#[nodes.output.example.filter]
#
# Set to false, if you want the json files to contain the owner information
# WARNING: if it is not set, it will publish contact information of other persons
# Set to true, if you did not want the json files to contain the owner information
#no_owner = true
#
# List of nodeids of nodes that should be filtered out, so they won't appear in output
#blacklist = ["00112233445566", "1337f0badead"]
#
# List of site_codes of nodes that should be included in the output
#sites = ["ffhb"]
#
# set has_location to true if you want to include only nodes that have geo-coordinates set
# (setting this to false has no sensible effect, unless you'd want to hide nodes that have coordinates)
#has_location = true
@ -69,9 +73,11 @@ offline_after = "10m"
enable = true
path = "/var/www/html/meshviewer/data/meshviewer.json"
#[nodes.output.meshviewer-ffrgb.filter]
#no_owner = false
[nodes.output.meshviewer-ffrgb.filter]
# WARNING: if it is not set, it will publish contact information of other persons
no_owner = false
#blacklist = ["00112233445566", "1337f0badead"]
#sites = ["ffhb"]
#has_location = true
#[nodes.output.meshviewer-ffrgb.filter.in_area]
@ -96,8 +102,9 @@ nodes_path = "/var/www/html/meshviewer/data/nodes.json"
# path where to store graph.json
graph_path = "/var/www/html/meshviewer/data/graph.json"
#[nodes.output.meshviewer.filter]
#no_owner = false
[nodes.output.meshviewer.filter]
# WARNING: if it is not set, it will publish contact information of other persons
no_owner = true
# definition for nodelist.json
@ -105,8 +112,9 @@ graph_path = "/var/www/html/meshviewer/data/graph.json"
enable = true
path = "/var/www/html/meshviewer/data/nodelist.json"
#[nodes.output.nodelist.filter]
#no_owner = false
[nodes.output.nodelist.filter]
# WARNING: if it is not set, it will publish contact information of other persons
no_owner = true

16
docs/docs_configuration.md
View File

@ -196,6 +196,7 @@ enable = true
[nodes.output.example.filter]
no_owner = true
blacklist = ["00112233445566", "1337f0badead"]
sites = ["ffhb"]
has_location = true
[nodes.output.example.filter.in_area]
latitude_min = 34.30
@ -222,6 +223,7 @@ For each output format there can be set different filters
[nodes.output.example.filter]
no_owner = true
blacklist = ["00112233445566", "1337f0badead"]
sites = ["ffhb"]
has_location = true
[nodes.output.example.filter.in_area]
latitude_min = 34.30
@ -235,6 +237,10 @@ longitude_max = 39.72
### no_owner
{% method %}
Set to false, if you want the json files to contain the owner information
**WARNING: if it is not set, it will publish contact information of other persons.**
{% sample lang="toml" %}
```toml
no_owner = true
@ -252,6 +258,16 @@ blacklist = ["00112233445566", "1337f0badead"]
{% endmethod %}
### sites
{% method %}
List of site_codes of nodes that should be included in output
{% sample lang="toml" %}
```toml
sites = ["ffhb"]
```
{% endmethod %}
### has_location
{% method %}
set has_location to true if you want to include only nodes that have geo-coordinates set

45
output/all/filter.go
View File

@ -1,44 +1,9 @@
package all
import (
"github.com/FreifunkBremen/yanic/runtime"
_ "github.com/FreifunkBremen/yanic/output/filter/blacklist"
_ "github.com/FreifunkBremen/yanic/output/filter/haslocation"
_ "github.com/FreifunkBremen/yanic/output/filter/inarea"
_ "github.com/FreifunkBremen/yanic/output/filter/noowner"
_ "github.com/FreifunkBremen/yanic/output/filter/site"
)
// Config Filter
type filterConfig map[string]interface{}
type filterFunc func(*runtime.Node) *runtime.Node
func noFilter(node *runtime.Node) *runtime.Node {
return node
}
// Create Filter
func (f filterConfig) filtering(nodesOrigin *runtime.Nodes) *runtime.Nodes {
nodes := runtime.NewNodes(&runtime.NodesConfig{})
filterfuncs := []filterFunc{
f.HasLocation(),
f.Blacklist(),
f.InArea(),
f.NoOwner(),
}
nodesOrigin.Lock()
defer nodesOrigin.Unlock()
for _, nodeOrigin := range nodesOrigin.List {
//maybe cloning of this object is better?
node := nodeOrigin
for _, f := range filterfuncs {
node = f(node)
if node == nil {
break
}
}
if node != nil {
nodes.AddNode(node)
}
}
return nodes
}

24
output/all/filter_blacklist.go
View File

@ -1,24 +0,0 @@
package all
import "github.com/FreifunkBremen/yanic/runtime"
func (f filterConfig) Blacklist() filterFunc {
v, ok := f["blacklist"]
if !ok {
return noFilter
}
list := make(map[string]interface{})
for _, nodeid := range v.([]interface{}) {
list[nodeid.(string)] = true
}
return func(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
if _, ok := list[nodeinfo.NodeID]; ok {
return nil
}
}
return node
}
}

34
output/all/filter_blacklist_test.go
View File

@ -1,34 +0,0 @@
package all
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterBlacklist(t *testing.T) {
assert := assert.New(t)
var config filterConfig
config = map[string]interface{}{}
filterBlacklist := config.Blacklist()
n := filterBlacklist(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
config["blacklist"] = []interface{}{"a", "c"}
filterBlacklist = config.Blacklist()
n = filterBlacklist(&runtime.Node{Nodeinfo: &data.NodeInfo{NodeID: "a"}})
assert.Nil(n)
n = filterBlacklist(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
n = filterBlacklist(&runtime.Node{})
assert.NotNil(n)
}

26
output/all/filter_haslocation.go
View File

@ -1,26 +0,0 @@
package all
import "github.com/FreifunkBremen/yanic/runtime"
func (f filterConfig) HasLocation() filterFunc {
withLocation, ok := f["has_location"].(bool)
if !ok {
return noFilter
}
return func(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
if withLocation {
if location := nodeinfo.Location; location != nil {
return node
}
} else {
if location := nodeinfo.Location; location == nil {
return node
}
}
} else if !withLocation {
return node
}
return nil
}
}

50
output/all/filter_haslocation_test.go
View File

@ -1,50 +0,0 @@
package all
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterHasLocation(t *testing.T) {
assert := assert.New(t)
var config filterConfig
config = map[string]interface{}{}
filterHasLocation := config.HasLocation()
n := filterHasLocation(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.NotNil(n)
config["has_location"] = true
filterHasLocation = config.HasLocation()
n = filterHasLocation(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.NotNil(n)
n = filterHasLocation(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.Nil(n)
n = filterHasLocation(&runtime.Node{})
assert.Nil(n)
config["has_location"] = false
filterHasLocation = config.HasLocation()
n = filterHasLocation(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.Nil(n)
n = filterHasLocation(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
n = filterHasLocation(&runtime.Node{})
assert.NotNil(n)
}

42
output/all/filter_inarea.go
View File

@ -1,42 +0,0 @@
package all
import "github.com/FreifunkBremen/yanic/runtime"
type area struct {
latitudeMin float64
latitudeMax float64
longitudeMin float64
longitudeMax float64
}
func (f filterConfig) InArea() filterFunc {
if areaConfigInt, ok := f["in_area"]; ok {
areaConfig := areaConfigInt.(map[string]interface{})
a := area{}
if v, ok := areaConfig["latitude_min"]; ok {
a.latitudeMin = v.(float64)
}
if v, ok := areaConfig["latitude_max"]; ok {
a.latitudeMax = v.(float64)
}
if v, ok := areaConfig["longitude_min"]; ok {
a.longitudeMin = v.(float64)
}
if v, ok := areaConfig["longitude_max"]; ok {
a.longitudeMax = v.(float64)
}
return func(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
location := nodeinfo.Location
if location == nil {
return node
}
if location.Latitude >= a.latitudeMin && location.Latitude <= a.latitudeMax && location.Longitude >= a.longitudeMin && location.Longitude <= a.longitudeMax {
return node
}
}
return nil
}
}
return noFilter
}

65
output/all/filter_inarea_test.go
View File

@ -1,65 +0,0 @@
package all
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterInArea(t *testing.T) {
assert := assert.New(t)
var config filterConfig
areaConfig := map[string]interface{}{
"latitude_min": 3.0,
"latitude_max": 5.0,
"longitude_min": 10.0,
"longitude_max": 12.0,
}
config = map[string]interface{}{}
filterLocationInArea := config.InArea()
n := filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 11.0},
}})
assert.NotNil(n)
config["in_area"] = areaConfig
filterLocationInArea = config.InArea()
// drop area without nodeinfo
n = filterLocationInArea(&runtime.Node{})
assert.Nil(n)
// keep without location
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
// zeros not in area (0, 0)
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.Nil(n)
// in area
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 11.0},
}})
assert.NotNil(n)
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 13.0},
}})
assert.Nil(n)
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 6.0, Longitude: 11.0},
}})
assert.Nil(n)
n = filterLocationInArea(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 1.0, Longitude: 2.0},
}})
assert.Nil(n)
}

37
output/all/filter_noowner.go
View File

@ -1,37 +0,0 @@
package all
import (
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
)
func (f filterConfig) NoOwner() filterFunc {
if v, ok := f["no_owner"]; ok && v.(bool) == false {
return noFilter
}
return func(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
return &runtime.Node{
Address: node.Address,
Firstseen: node.Firstseen,
Lastseen: node.Lastseen,
Online: node.Online,
Statistics: node.Statistics,
Nodeinfo: &data.NodeInfo{
NodeID: nodeinfo.NodeID,
Network: nodeinfo.Network,
System: nodeinfo.System,
Owner: nil,
Hostname: nodeinfo.Hostname,
Location: nodeinfo.Location,
Software: nodeinfo.Software,
Hardware: nodeinfo.Hardware,
VPN: nodeinfo.VPN,
Wireless: nodeinfo.Wireless,
},
Neighbours: node.Neighbours,
}
}
return node
}
}

49
output/all/filter_noowner_test.go
View File

@ -1,49 +0,0 @@
package all
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterNoOwner(t *testing.T) {
assert := assert.New(t)
var config filterConfig
config = map[string]interface{}{}
filterNoOwner := config.NoOwner()
n := filterNoOwner(&runtime.Node{Nodeinfo: &data.NodeInfo{
Owner: &data.Owner{
Contact: "blub",
},
}})
assert.NotNil(n)
assert.Nil(n.Nodeinfo.Owner)
n = filterNoOwner(&runtime.Node{})
assert.NotNil(n)
config["no_owner"] = true
filterNoOwner = config.NoOwner()
n = filterNoOwner(&runtime.Node{Nodeinfo: &data.NodeInfo{
Owner: &data.Owner{
Contact: "blub",
},
}})
assert.NotNil(n)
assert.Nil(n.Nodeinfo.Owner)
config["no_owner"] = false
filterNoOwner = config.NoOwner()
n = filterNoOwner(&runtime.Node{Nodeinfo: &data.NodeInfo{
Owner: &data.Owner{
Contact: "blub",
},
}})
assert.NotNil(n)
assert.NotNil(n.Nodeinfo.Owner)
}

41
output/all/filter_test.go
View File

@ -1,41 +0,0 @@
package all
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilter(t *testing.T) {
assert := assert.New(t)
// filtered - do not run all
nodes := &runtime.Nodes{
List: map[string]*runtime.Node{
"a": {
Nodeinfo: &data.NodeInfo{NodeID: "a"},
},
},
}
config := filterConfig{
"has_location": true,
}
nodes = config.filtering(nodes)
assert.Len(nodes.List, 0)
// run to end
nodes = &runtime.Nodes{
List: map[string]*runtime.Node{
"a": {
Nodeinfo: &data.NodeInfo{NodeID: "a"},
},
},
}
config = filterConfig{
"has_location": false,
}
nodes = config.filtering(nodes)
assert.Len(nodes.List, 1)
}

28
output/all/output.go
View File

@ -5,18 +5,19 @@ import (
"log"
"github.com/FreifunkBremen/yanic/output"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type Output struct {
output.Output
list map[int]output.Output
filter map[int]filterConfig
outputFilter map[int]filter.Set
}
func Register(configuration map[string]interface{}) (output.Output, error) {
list := make(map[int]output.Output)
filter := make(map[int]filterConfig)
outputFilter := make(map[int]filter.Set)
i := 1
allOutputs := configuration
for outputType, outputRegister := range output.Adapters {
@ -44,25 +45,26 @@ func Register(configuration map[string]interface{}) (output.Output, error) {
if output == nil {
continue
}
list[i] = output
var errs []error
var filterSet filter.Set
if c := config["filter"]; c != nil {
filter[i] = config["filter"].(map[string]interface{})
if filterConf, ok := c.(map[string]interface{}); ok {
filterSet, errs = filter.New(filterConf)
}
if len(errs) > 0 {
return nil, fmt.Errorf("filter configuration errors: %v", errs)
}
outputFilter[i] = filterSet
}
list[i] = output
i++
}
}
return &Output{list: list, filter: filter}, nil
return &Output{list: list, outputFilter: outputFilter}, nil
}
func (o *Output) Save(nodes *runtime.Nodes) {
for i, item := range o.list {
var filteredNodes *runtime.Nodes
if config := o.filter[i]; config != nil {
filteredNodes = config.filtering(nodes)
} else {
filteredNodes = filterConfig{}.filtering(nodes)
}
item.Save(filteredNodes)
item.Save(o.outputFilter[i].Apply(nodes))
}
}

30
output/all/output_test.go
View File

@ -82,16 +82,40 @@ func TestStart(t *testing.T) {
allOutput.Save(nodes)
assert.Equal(3, globalOutput.Get())
// wrong format - map
_, err = Register(map[string]interface{}{
"e": []map[string]interface{}{
{},
"e": []interface{}{
false,
},
})
assert.Error(err)
// wrong format
// wrong format - array
_, err = Register(map[string]interface{}{
"e": true,
})
assert.Error(err)
// output error
_, err = Register(map[string]interface{}{
"e": []interface{}{
map[string]interface{}{
"enable": true,
},
},
})
assert.Error(err)
// output error invalid config of filter
_, err = Register(map[string]interface{}{
"a": []interface{}{
map[string]interface{}{
"enable": true,
"filter": map[string]interface{}{
"blacklist": true,
},
},
},
})
assert.Error(err)
}

36
output/filter/blacklist/blacklist.go Normal file
View File

@ -0,0 +1,36 @@
package blacklist
import (
"errors"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type blacklist map[string]interface{}
func init() {
filter.Register("blacklist", build)
}
func build(config interface{}) (filter.Filter, error) {
values, ok := config.([]string)
if !ok {
return nil, errors.New("invalid configuration, array of strings expected")
}
list := make(blacklist)
for _, nodeid := range values {
list[nodeid] = struct{}{}
}
return &list, nil
}
func (list blacklist) Apply(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
if _, ok := list[nodeinfo.NodeID]; ok {
return nil
}
}
return node
}

38
output/filter/blacklist/blacklist_test.go Normal file
View File

@ -0,0 +1,38 @@
package blacklist
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterBlacklist(t *testing.T) {
assert := assert.New(t)
// invalid config
filter, err := build(3)
assert.Error(err)
// tests with empty list
filter, err = build([]string{})
// keep node without nodeid
n := filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
// tests with blacklist
filter, _ = build([]string{"a", "c"})
// blacklist contains node with nodeid -> drop it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{NodeID: "a"}})
assert.Nil(n)
// blacklist does not contains node without nodeid -> keep it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
n = filter.Apply(&runtime.Node{})
assert.NotNil(n)
}

73
output/filter/filter.go Normal file
View File

@ -0,0 +1,73 @@
package filter
import (
"fmt"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/pkg/errors"
)
// factory function for building a filter
// may return nil if the filter never applies
type factory func(interface{}) (Filter, error)
// Filter is a filter instance
type Filter interface {
Apply(*runtime.Node) *runtime.Node
}
// Set is a list of configured filters
type Set []Filter
var filters = make(map[string]factory)
// Register registers a new filter
func Register(name string, f factory) {
if _, ok := filters[name]; ok {
panic("already registered: " + name)
}
filters[name] = f
}
// New returns and initializes a set of filters
func New(configs map[string]interface{}) (set Set, errs []error) {
for name, config := range configs {
if config == nil {
return
}
f, _ := filters[name]
if f == nil {
errs = append(errs, fmt.Errorf("unknown filter: %s", name))
} else if filter, err := f(config); err != nil {
errs = append(errs, errors.Wrapf(err, "unable to initialize filter %s", name))
} else if filter != nil {
set = append(set, filter)
}
}
return
}
// Apply applies the filter set to the given node list and returns a new node list
func (set Set) Apply(nodesOrigin *runtime.Nodes) *runtime.Nodes {
nodes := runtime.NewNodes(&runtime.NodesConfig{})
nodesOrigin.Lock()
defer nodesOrigin.Unlock()
for _, nodeOrigin := range nodesOrigin.List {
//maybe cloning of this object is better?
node := nodeOrigin
for _, filter := range set {
node = filter.Apply(node)
if node == nil {
break
}
}
if node != nil {
nodes.AddNode(node)
}
}
return nodes
}

96
output/filter/filter_test.go Normal file
View File

@ -0,0 +1,96 @@
package filter
import (
"errors"
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
type filterBool struct{ bool }
func (f filterBool) Apply(node *runtime.Node) *runtime.Node {
if f.bool {
return node
}
return nil
}
func build(v interface{}) (Filter, error) {
if config, ok := v.(bool); ok {
return &filterBool{config}, nil
}
return nil, nil
}
func buildNil(v interface{}) (Filter, error) {
return nil, nil
}
func buildError(v interface{}) (Filter, error) {
if v != nil {
return nil, errors.New("some errors")
}
return nil, nil
}
func TestFilter(t *testing.T) {
assert := assert.New(t)
Register("test_nil", buildNil)
Register("test_err", buildError)
Register("test", build)
// filter still exists
filter, err := New(map[string]interface{}{
"adsa": true,
})
assert.Len(err, 1)
assert.Nil(filter)
// no filter
filter, err = New(map[string]interface{}{
"test_nil": 3,
})
assert.Len(err, 0)
assert.Len(filter, 0)
// filter error
filter, err = New(map[string]interface{}{
"test_err": false,
})
assert.Len(err, 1)
assert.Nil(filter)
// filter a node
nodes := &runtime.Nodes{
List: map[string]*runtime.Node{
"a": {
Nodeinfo: &data.NodeInfo{NodeID: "a"},
},
},
}
filter, err = New(map[string]interface{}{
"test": false,
})
assert.Len(err, 0)
nodes = filter.Apply(nodes)
assert.Len(nodes.List, 0)
// keep a node
nodes = &runtime.Nodes{
List: map[string]*runtime.Node{
"a": {
Nodeinfo: &data.NodeInfo{NodeID: "a"},
},
},
}
filter, err = New(map[string]interface{}{
"test": true,
})
assert.Len(err, 0)
nodes = filter.Apply(nodes)
assert.Len(nodes.List, 1)
}

40
output/filter/haslocation/haslocation.go Normal file
View File

@ -0,0 +1,40 @@
package haslocation
import (
"errors"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type haslocation struct {
has bool
}
func init() {
filter.Register("has_location", build)
}
func build(config interface{}) (filter.Filter, error) {
if value, ok := config.(bool); ok {
return &haslocation{has: value}, nil
}
return nil, errors.New("invalid configuration, bool expected")
}
func (h *haslocation) Apply(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
if h.has {
if location := nodeinfo.Location; location != nil {
return node
}
} else {
if location := nodeinfo.Location; location == nil {
return node
}
}
} else if !h.has {
return node
}
return nil
}

53
output/filter/haslocation/haslocation_test.go Normal file
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package haslocation
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterHasLocation(t *testing.T) {
assert := assert.New(t)
// invalid config
filter, err := build(3)
assert.Error(err)
// test to drop nodes without location
filter, err = build(true)
assert.NoError(err)
// node has location (with 0,0) -> keep it
n := filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.NotNil(n)
// node without location has no location -> drop it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.Nil(n)
// node without nodeinfo has no location -> drop it
n = filter.Apply(&runtime.Node{})
assert.Nil(n)
// test to drop nodes without location
filter, err = build(false)
assert.NoError(err)
// node has location (with 0,0) -> drop it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.Nil(n)
// node without location has no location -> keep it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
// node without nodeinfo has no location -> keep it
n = filter.Apply(&runtime.Node{})
assert.NotNil(n)
}

65
output/filter/inarea/inarea.go Normal file
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package inarea
import (
"errors"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type area struct {
latitudeMin float64
latitudeMax float64
longitudeMin float64
longitudeMax float64
}
func init() {
filter.Register("in_area", build)
}
func build(config interface{}) (filter.Filter, error) {
values, ok := config.(map[string]interface{})
if !ok {
return nil, errors.New("invalid configuration, map expected")
}
a := area{}
if v, ok := values["latitude_min"]; ok {
a.latitudeMin = v.(float64)
}
if v, ok := values["latitude_max"]; ok {
a.latitudeMax = v.(float64)
}
if v, ok := values["longitude_min"]; ok {
a.longitudeMin = v.(float64)
}
if v, ok := values["longitude_max"]; ok {
a.longitudeMax = v.(float64)
}
if a.latitudeMin >= a.latitudeMax {
return nil, errors.New("invalid latitude: max is bigger then min")
}
if a.longitudeMin >= a.longitudeMax {
return nil, errors.New("invalid longitude: max is bigger then min")
}
// TODO bessere Fehlerbehandlung!
return &a, nil
}
func (a *area) Apply(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
location := nodeinfo.Location
if location == nil {
return node
}
if location.Latitude >= a.latitudeMin && location.Latitude <= a.latitudeMax && location.Longitude >= a.longitudeMin && location.Longitude <= a.longitudeMax {
return node
}
return nil
}
return node
}

86
output/filter/inarea/inarea_test.go Normal file
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package inarea
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterInArea(t *testing.T) {
assert := assert.New(t)
filter, _ := build(map[string]interface{}{
"latitude_min": 3.0,
"latitude_max": 5.0,
"longitude_min": 10.0,
"longitude_max": 12.0,
})
n := filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 11.0},
}})
assert.NotNil(n)
// keep without nodeinfo -> use has_location for it
n = filter.Apply(&runtime.Node{})
assert.NotNil(n)
// keep without location -> use has_location for it
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{}})
assert.NotNil(n)
// zeros not in area (0, 0)
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{},
}})
assert.Nil(n)
// in area
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 11.0},
}})
assert.NotNil(n)
// over max longitude -> dropped
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 4.0, Longitude: 13.0},
}})
assert.Nil(n)
// over max latitude -> dropped
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 6.0, Longitude: 11.0},
}})
assert.Nil(n)
// lower then mix latitde -> dropped
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Location: &data.Location{Latitude: 1.0, Longitude: 2.0},
}})
assert.Nil(n)
// invalid config format
_, err := build(true)
assert.Error(err)
// invalid config latitude switched max and min
_, err = build(map[string]interface{}{
"latitude_min": 5.0,
"latitude_max": 3.0,
"longitude_min": 10.0,
"longitude_max": 12.0,
})
assert.Error(err)
// invalid config longitude switched max and min
_, err = build(map[string]interface{}{
"latitude_min": 3.0,
"latitude_max": 5.0,
"longitude_min": 15.0,
"longitude_max": 10.0,
})
assert.Error(err)
}

48
output/filter/noowner/noowner.go Normal file
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package noowner
import (
"errors"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type noowner struct{ has bool }
func init() {
filter.Register("noowner", build)
}
func build(config interface{}) (filter.Filter, error) {
if value, ok := config.(bool); ok {
return &noowner{has: value}, nil
}
return nil, errors.New("invalid configuration, boolean expected")
}
func (no *noowner) Apply(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil && no.has {
node = &runtime.Node{
Address: node.Address,
Firstseen: node.Firstseen,
Lastseen: node.Lastseen,
Online: node.Online,
Statistics: node.Statistics,
Nodeinfo: &data.NodeInfo{
NodeID: nodeinfo.NodeID,
Network: nodeinfo.Network,
System: nodeinfo.System,
Owner: nil,
Hostname: nodeinfo.Hostname,
Location: nodeinfo.Location,
Software: nodeinfo.Software,
Hardware: nodeinfo.Hardware,
VPN: nodeinfo.VPN,
Wireless: nodeinfo.Wireless,
},
Neighbours: node.Neighbours,
}
}
return node
}

39
output/filter/noowner/noowner_test.go Normal file
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package noowner
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilter(t *testing.T) {
assert := assert.New(t)
// invalid config
filter, err := build("nope")
assert.Error(err)
// delete owner by configuration
filter, _ = build(true)
n := filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Owner: &data.Owner{
Contact: "blub",
},
}})
assert.NotNil(n)
assert.Nil(n.Nodeinfo.Owner)
// keep owner configuration
filter, _ = build(false)
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{
Owner: &data.Owner{
Contact: "blub",
},
}})
assert.NotNil(n)
assert.NotNil(n.Nodeinfo.Owner)
}

36
output/filter/site/site.go Normal file
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package site
import (
"errors"
"github.com/FreifunkBremen/yanic/output/filter"
"github.com/FreifunkBremen/yanic/runtime"
)
type sites map[string]interface{}
func init() {
filter.Register("sites", build)
}
func build(config interface{}) (filter.Filter, error) {
values, ok := config.([]string)
if !ok {
return nil, errors.New("invalid configuration, array of strings expected")
}
list := make(sites)
for _, nodeid := range values {
list[nodeid] = struct{}{}
}
return &list, nil
}
func (list sites) Apply(node *runtime.Node) *runtime.Node {
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
if _, ok := list[nodeinfo.System.SiteCode]; ok {
return node
}
}
return nil
}

32
output/filter/site/site_test.go Normal file
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package site
import (
"testing"
"github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/stretchr/testify/assert"
)
func TestFilterSite(t *testing.T) {
assert := assert.New(t)
// invalid config
filter, err := build("ffhb")
assert.Error(err)
filter, err = build([]string{"ffhb"})
assert.NoError(err)
// wronge node
n := filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{System: data.System{SiteCode: "ffxx"}}})
assert.Nil(n)
// right node
n = filter.Apply(&runtime.Node{Nodeinfo: &data.NodeInfo{System: data.System{SiteCode: "ffhb"}}})
assert.NotNil(n)
// node without data -> wrong node
n = filter.Apply(&runtime.Node{})
assert.Nil(n)
}