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path: root/lib/agent/apiv1-supervisor.go
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/*
 * Copyright (C) 2017-2018 "IoT.bzh"
 * Author Sebastien Douheret <sebastien@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package agent

import (
	"net/http"

	common "gerrit.automotivelinux.org/gerrit/src/xds/xds-common.git"
	"github.com/gin-gonic/gin"
)

// getSupervisorTopo : return current AGL daemons topology using supervisor
func (s *APIService) getSupervisorTopo(c *gin.Context) {

	xdspvr, err := s._initXdsSupervisor()
	if err != nil {
		common.APIError(c, err.Error())
		return
	}

	var res XdsSuperVReply
	if err = xdspvr.GetTopo(&res); err != nil {
		common.APIError(c, err.Error())
		return
	}

	if res.Request.Status != "success" {
		common.APIError(c, res.Request.Info)
		return
	}

	c.JSON(http.StatusOK, res.Response)
}

// startSupervisor : resquest to supervisor to start tracing
func (s *APIService) startSupervisor(c *gin.Context) {

	xdspvr, err := s._initXdsSupervisor()
	if err != nil {
		common.APIError(c, err.Error())
		return
	}

	var cfg XdsSuperVTraceConfig
	if c.BindJSON(&cfg) != nil {
		common.APIError(c, "Invalid config argument")
		return
	}
	s.Log.Debugf("Start Supervisor cfgArg %v\n", cfg)

	var res XdsSuperVReply
	if err = xdspvr.StartTrace(cfg, &res); err != nil {
		common.APIError(c, err.Error())
		return
	}

	if res.Request.Status != "success" {
		common.APIError(c, res.Request.Info)
		return
	}

	c.JSON(http.StatusOK, res.Response)
}

// stopSupervisor : resquest to supervisor to stop tracing
func (s *APIService) stopSupervisor(c *gin.Context) {

	xdspvr, err := s._initXdsSupervisor()
	if err != nil {
		common.APIError(c, err.Error())
		return
	}

	var res XdsSuperVReply
	if err = xdspvr.StopTrace(&res); err != nil {
		common.APIError(c, err.Error())
		return
	}

	if res.Request.Status != "success" {
		common.APIError(c, res.Request.Info)
		return
	}

	c.JSON(http.StatusOK, res.Response)
}

// _initXdsSupervisor .
func (s *APIService) _initXdsSupervisor() (*XdsSupervisor, error) {

	if s.XdsSupervisor == nil {
		xs := NewXdsSupervisor(s.Context)
		if err := xs.Connect(); err != nil {
			return nil, err
		}
		s.XdsSupervisor = xs
	}
	return s.XdsSupervisor, nil
}