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fshttp: fix bandwidth limiting after bad merge

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Reapply missing bwlimiting which was inserted in

0a932dc1f2 Add --bwlimit for upload and download #1873

But accidentally removed when merging

edfe183ba2 fshttp: add DSCP support with --dscp for QoS with differentiated services
This commit is contained in:
Nick Craig-Wood 2021-02-12 21:10:58 +00:00
parent 37e630178e
commit e779cacc82
1 changed files with 16 additions and 10 deletions
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26
fs/fshttp/dialer.go
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@ -6,6 +6,7 @@ import (
"time"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/accounting"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
@ -91,24 +92,29 @@ func (c *timeoutConn) nudgeDeadline() (err error) {
return c.Conn.SetDeadline(when)
}
// readOrWrite bytes doing idle timeouts
func (c *timeoutConn) readOrWrite(f func([]byte) (int, error), b []byte) (n int, err error) {
n, err = f(b)
// Read bytes doing idle timeouts
func (c *timeoutConn) Read(b []byte) (n int, err error) {
// Ideally we would LimitBandwidth(len(b)) here and replace tokens we didn't use
n, err = c.Conn.Read(b)
accounting.TokenBucket.LimitBandwidth(accounting.TokenBucketSlotTransportRx, n)
// Don't nudge if no bytes or an error
if n == 0 || err != nil {
return
}
// Nudge the deadline on successful Read or Write
err = c.nudgeDeadline()
return
}
// Read bytes doing idle timeouts
func (c *timeoutConn) Read(b []byte) (n int, err error) {
return c.readOrWrite(c.Conn.Read, b)
return n, err
}
// Write bytes doing idle timeouts
func (c *timeoutConn) Write(b []byte) (n int, err error) {
return c.readOrWrite(c.Conn.Write, b)
accounting.TokenBucket.LimitBandwidth(accounting.TokenBucketSlotTransportTx, len(b))
n, err = c.Conn.Write(b)
// Don't nudge if no bytes or an error
if n == 0 || err != nil {
return
}
// Nudge the deadline on successful Read or Write
err = c.nudgeDeadline()
return n, err
}