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client.go
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client.go
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// This file is part of the Smart Home
// Program complex distribution https://github.com/e154/smart-home
// Copyright (C) 2023, Filippov Alex
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see
// <https://www.gnu.org/licenses/>.
package wsp
import (
"context"
"net/http"
"github.com/gorilla/websocket"
"go.uber.org/atomic"
"github.com/e154/smart-home/adaptors"
"github.com/e154/smart-home/api"
"github.com/e154/smart-home/common/logger"
"github.com/e154/smart-home/system/jwt_manager"
"github.com/e154/smart-home/system/stream"
)
var (
log = logger.MustGetLogger("wsp client")
)
// Client connects to one or more Server using HTTP websockets.
// The Server can then send HTTP requests to execute.
type Client struct {
cfg *Config
client *http.Client
dialer *websocket.Dialer
pools map[string]*Pool
api *api.Api
stream *stream.Stream
isStarted *atomic.Bool
adaptors *adaptors.Adaptors
jwtManager jwt_manager.JwtManager
}
// NewClient creates a new Client.
func NewClient(cfg *Config, api *api.Api, stream *stream.Stream, adaptors *adaptors.Adaptors, jwtManager jwt_manager.JwtManager) *Client {
return &Client{
cfg: cfg,
client: &http.Client{},
dialer: &websocket.Dialer{},
pools: make(map[string]*Pool),
api: api,
stream: stream,
isStarted: atomic.NewBool(false),
adaptors: adaptors,
jwtManager: jwtManager,
}
}
// Start the Proxy
func (c *Client) Start(ctx context.Context) {
//log.Info("Start")
if !c.isStarted.CompareAndSwap(false, true) {
return
}
for _, target := range c.cfg.Targets {
pool := NewPool(c, target, c.cfg.SecretKey, c.api, c.stream, c.adaptors, c.jwtManager)
c.pools[target] = pool
go pool.Start(ctx)
}
}
// Shutdown the Proxy
func (c *Client) Shutdown() {
//log.Info("Shutdown")
if !c.isStarted.CompareAndSwap(true, false) {
return
}
for _, pool := range c.pools {
pool.Shutdown()
}
}