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/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2017 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package signaling
import (
"context"
"fmt"
"net/http"
)
type HttpClientPool struct {
pool chan *http.Client
}
func NewHttpClientPool(constructor func() *http.Client, size int) (*HttpClientPool, error) {
if size <= 0 {
return nil, fmt.Errorf("can't create empty pool")
}
p := &HttpClientPool{
pool: make(chan *http.Client, size),
}
for size > 0 {
c := constructor()
p.pool <- c
size -= 1
}
return p, nil
}
func (p *HttpClientPool) Get(ctx context.Context) (client *http.Client, err error) {
select {
case <-ctx.Done():
return nil, ctx.Err()
case client := <-p.pool:
return client, nil
}
}
func (p *HttpClientPool) Put(c *http.Client) {
p.pool <- c
}