Add connection statistics to "status" CLI command

cmd/mysterium_client/cli/command.go

@@ -202,11 +202,19 @@ func (c *Command) status() {
 	status, err := c.tequilapi.Status()
 	if err != nil {
 		warn(err)
-		return
+	} else {
+		info("Status:", status.Status)
+		info("SID:", status.SessionId)
 	}
 
-	info("Status:", status.Status)
-	info("SID:", status.SessionId)
+	statistics, err := c.tequilapi.ConnectionStatistics()
+	if err != nil {
+		warn(err)
+	} else {
+		info(fmt.Sprintf("Connection duration: %ds", statistics.DurationSeconds))
+		info("Bytes sent:", statistics.BytesSent)
+		info("Bytes received:", statistics.BytesReceived)
+	}
 }
 
 func (c *Command) ip() {

tequilapi/client/client.go

@@ -106,6 +106,18 @@ func (client *Client) Disconnect() (err error) {
 	return nil
 }
 
+// ConnectionStatistics returns statistics about current connection
+func (client *Client) ConnectionStatistics() (statistics StatisticsDTO, err error) {
+	response, err := client.http.Get("connection/statistics", url.Values{})
+	if err != nil {
+		return
+	}
+	defer response.Body.Close()
+
+	err = parseResponseJson(response, &statistics)
+	return
+}
+
 // Status returns connection status
 func (client *Client) Status() (status StatusDto, err error) {
 	response, err := client.http.Get("connection", url.Values{})
@@ -115,7 +127,7 @@ func (client *Client) Status() (status StatusDto, err error) {
 	defer response.Body.Close()
 
 	err = parseResponseJson(response, &status)
-	return status, err
+	return
 }
 
 // GetIP returns public ip

tequilapi/client/dto.go

@@ -6,6 +6,13 @@ type StatusDto struct {
 	SessionId string `json:"sessionId"`
 }
 
+// StatisticsDTO holds statistics about connection
+type StatisticsDTO struct {
+	BytesSent       int `json:"bytesSent"`
+	BytesReceived   int `json:"bytesReceived"`
+	DurationSeconds int `json:"durationSeconds"`
+}
+
 // IdentityDto holds identity address
 type IdentityDto struct {
 	Address string `json:"id"`