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Merge pull request #11 from macadmins/network_quality
Network quality table
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package networkquality | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "strconv" | ||
|
|
||
| "github.com/kolide/osquery-go/plugin/table" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
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| type NetworkQualityOutput struct { | ||
| DlFlows int `json:"dl_flows"` | ||
| DlThroughput int `json:"dl_throughput"` | ||
| LudForeignH2ReqResp []int `json:"lud_foreign_h2_req_resp"` | ||
| LudForeignTCPHandshake443 []int `json:"lud_foreign_tcp_handshake_443"` | ||
| LudSelfDlH2 []float64 `json:"lud_self_dl_h2"` | ||
| LudSelfUlH2 []float64 `json:"lud_self_ul_h2"` | ||
| Responsiveness int `json:"responsiveness"` | ||
| UlFlows int `json:"ul_flows"` | ||
| UlThroughput int `json:"ul_throughput"` | ||
| } | ||
|
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| func NetworkQualityColumns() []table.ColumnDefinition { | ||
| return []table.ColumnDefinition{ | ||
| table.IntegerColumn("dl_throughput_kbps"), | ||
| table.IntegerColumn("ul_throughput_kbps"), | ||
| table.TextColumn("dl_throughput_mbps"), | ||
| table.TextColumn("ul_throughput_mbps"), | ||
| } | ||
| } | ||
|
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| // Generate will be called whenever the table is queried. Since our data in these | ||
| // results is flat it will return a single row. | ||
| func NetworkQualityGenerate(ctx context.Context, queryContext table.QueryContext) ([]map[string]string, error) { | ||
| var results []map[string]string | ||
| output, err := runNetworkQuality() | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return results, err | ||
| } | ||
|
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| results = append(results, map[string]string{ | ||
| "dl_throughput_kbps": strconv.Itoa(output.DlThroughput), | ||
| "ul_throughput_kbps": strconv.Itoa(output.UlThroughput), | ||
| "dl_throughput_mbps": fmt.Sprintf("%.2f", float64(output.DlThroughput)/1000000), | ||
| "ul_throughput_mbps": fmt.Sprintf("%.2f", float64(output.UlThroughput)/1000000), | ||
| }) | ||
|
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| return results, nil | ||
| } | ||
|
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| func runNetworkQuality() (NetworkQualityOutput, error) { | ||
| var output NetworkQualityOutput | ||
|
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| // Just return if the binary isn't present | ||
| _, err := os.Stat("/usr/bin/networkQuality") | ||
| if err != nil { | ||
| if errors.Is(err, os.ErrNotExist) { | ||
| return output, nil | ||
| } | ||
| return output, err | ||
| } | ||
|
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| out, err := exec.Command("/usr/bin/networkQuality", "-c").Output() | ||
|
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| if err != nil { | ||
| return output, errors.Wrap(err, "networkQuality -c") | ||
| } | ||
| if err := json.Unmarshal(out, &output); err != nil { | ||
| return output, errors.Wrap(err, "unmarshalling networkQuality output") | ||
| } | ||
|
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| return output, nil | ||
|
|
||
| } | ||
|
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| func Exists(name string) (bool, error) { | ||
| _, err := os.Stat(name) | ||
| if err == nil { | ||
| return true, nil | ||
| } | ||
| if errors.Is(err, os.ErrNotExist) { | ||
| return false, nil | ||
| } | ||
| return false, err | ||
| } |