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78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
// Copyright (c) 2015-2022 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// Package deadlineconn implements net.Conn wrapper with configured deadlines.
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package deadlineconn
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import (
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"net"
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"time"
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)
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// DeadlineConn - is a generic stream-oriented network connection supporting buffered reader and read/write timeout.
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type DeadlineConn struct {
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net.Conn
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readDeadline time.Duration // sets the read deadline on a connection.
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writeDeadline time.Duration // sets the write deadline on a connection.
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}
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// Sets read deadline
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func (c *DeadlineConn) setReadDeadline() {
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if c.readDeadline > 0 {
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c.SetReadDeadline(time.Now().UTC().Add(c.readDeadline))
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}
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}
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func (c *DeadlineConn) setWriteDeadline() {
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if c.writeDeadline > 0 {
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c.SetWriteDeadline(time.Now().UTC().Add(c.writeDeadline))
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}
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}
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// Read - reads data from the connection using wrapped buffered reader.
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func (c *DeadlineConn) Read(b []byte) (n int, err error) {
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c.setReadDeadline()
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n, err = c.Conn.Read(b)
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return n, err
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}
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// Write - writes data to the connection.
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func (c *DeadlineConn) Write(b []byte) (n int, err error) {
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c.setWriteDeadline()
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n, err = c.Conn.Write(b)
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return n, err
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}
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// WithReadDeadline sets a new read side net.Conn deadline.
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func (c *DeadlineConn) WithReadDeadline(d time.Duration) *DeadlineConn {
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c.readDeadline = d
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return c
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}
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// WithWriteDeadline sets a new write side net.Conn deadline.
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func (c *DeadlineConn) WithWriteDeadline(d time.Duration) *DeadlineConn {
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c.writeDeadline = d
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return c
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}
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// New - creates a new connection object wrapping net.Conn with deadlines.
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func New(c net.Conn) *DeadlineConn {
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return &DeadlineConn{
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Conn: c,
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}
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}
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