github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/tequilapi/endpoints/sse.go (about)

     1  /*
     2   * Copyright (C) 2019 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package endpoints
    19  
    20  import (
    21  	"net/http"
    22  
    23  	"github.com/gin-gonic/gin"
    24  
    25  	"github.com/julienschmidt/httprouter"
    26  	"github.com/mysteriumnetwork/node/eventbus"
    27  )
    28  
    29  // SSEHandler represents the sse handler
    30  type SSEHandler interface {
    31  	Sub(resp http.ResponseWriter, req *http.Request, params httprouter.Params)
    32  }
    33  
    34  // AddRoutesForSSE adds route for sse
    35  func AddRoutesForSSE(e *gin.Engine, stateProvider stateProvider, bus eventbus.EventBus) error {
    36  	sseHandler := NewSSEHandler(stateProvider)
    37  	if err := sseHandler.Subscribe(bus); err != nil {
    38  		return err
    39  	}
    40  	e.GET("/events/state", sseHandler.Sub)
    41  	return nil
    42  }