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Send "corrected" timestamps to better calculate RTT

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This commit is contained in:
Keith Winstein
2011-10-30 03:19:32 -04:00
parent ae40f3b256
commit 90b4931c84
2 changed files with 6 additions and 4 deletions
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network.cpp
+5 -3
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@@ -54,9 +54,11 @@ Packet Connection::new_packet( string &s_payload )
{
uint16_t outgoing_timestamp_reply = -1;
if ( timestamp() - saved_timestamp_received_at < 25 ) {
/* we have a recent received timestamp */
outgoing_timestamp_reply = saved_timestamp;
uint64_t now = timestamp();
if ( now - saved_timestamp_received_at < 1000 ) { /* we have a recent received timestamp */
/* send "corrected" timestamp advanced by how long we held it */
outgoing_timestamp_reply = saved_timestamp + (now - saved_timestamp_received_at);
saved_timestamp = -1;
saved_timestamp_received_at = 0;
}