More throughput-friendly hack (just delay at very end vs. each packet)

Signed-off-by: Russ Magee <rmagee@gmail.com>
This commit is contained in:
Russ Magee 2020-01-30 23:32:36 -08:00
parent 862c0c3d7f
commit 6c049dde08
2 changed files with 7 additions and 4 deletions

View File

@ -26,6 +26,7 @@ import (
"strings" "strings"
"sync" "sync"
"syscall" "syscall"
"time"
"unsafe" "unsafe"
"blitter.com/go/goutmp" "blitter.com/go/goutmp"
@ -796,6 +797,8 @@ func main() {
} else { } else {
logger.LogNotice(fmt.Sprintf("[Command completed for %s@%s, status %d]\n", rec.Who(), hname, cmdStatus)) // nolint: gosec,errcheck logger.LogNotice(fmt.Sprintf("[Command completed for %s@%s, status %d]\n", rec.Who(), hname, cmdStatus)) // nolint: gosec,errcheck
} }
// TODO: Test this with huge files.. see Bug #22 - do we need to
// sync w/sender (client) that we've gotten all data?
hc.SetStatus(xsnet.CSOType(cmdStatus)) hc.SetStatus(xsnet.CSOType(cmdStatus))
// Send CSOExitStatus *before* client closes channel // Send CSOExitStatus *before* client closes channel
@ -816,6 +819,10 @@ func main() {
// Returned hopefully via an EOF or exit/logout; // Returned hopefully via an EOF or exit/logout;
logger.LogNotice(fmt.Sprintf("[Command completed for %s@%s, status %d]\n", rec.Who(), hname, cmdStatus)) // nolint: gosec,errcheck logger.LogNotice(fmt.Sprintf("[Command completed for %s@%s, status %d]\n", rec.Who(), hname, cmdStatus)) // nolint: gosec,errcheck
} }
// HACK: Bug #22: (xc) Need to wait for rcvr to get final data
// TODO: Await specific msg from client to inform they have gotten all data from the tarpipe
time.Sleep(time.Duration(900 * time.Millisecond)) // Let rcvr set this on setup?
// Clear current op so user can enter next, or EOF // Clear current op so user can enter next, or EOF
rec.SetOp([]byte{0}) rec.SetOp([]byte{0})
hc.SetStatus(xsnet.CSOType(cmdStatus)) hc.SetStatus(xsnet.CSOType(cmdStatus))

View File

@ -1320,10 +1320,6 @@ func (hc *Conn) WritePacket(b []byte, ctrlStatOp byte) (n int, err error) {
hmacOut = hc.wm.Sum(nil)[0:HMAC_CHK_SZ] hmacOut = hc.wm.Sum(nil)[0:HMAC_CHK_SZ]
//log.Printf(" (%08x> HMAC(o):%s\r\n", payloadLen, hex.EncodeToString(hmacOut)) //log.Printf(" (%08x> HMAC(o):%s\r\n", payloadLen, hex.EncodeToString(hmacOut))
// HACK: Bug #22: (xc) Need flow control so sender can't overwhelm rcvr with data.
if payloadLen > 8192 {
time.Sleep(time.Duration(10 * time.Millisecond)) // Let rcvr set this on setup?
}
var wb bytes.Buffer var wb bytes.Buffer
// The StreamWriter acts like a pipe, forwarding whatever is // The StreamWriter acts like a pipe, forwarding whatever is