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ptpclock: Add TRACE level debug output

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Add some debugging to be able to tell what is happening
inside the PTP clock protocol handling.
This commit is contained in:
Jan Schmidt 2018-09-18 09:36:45 +10:00
parent 8f761cd711
commit 6fcd3c135a
1 changed files with 36 additions and 10 deletions
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46
libs/gst/net/gstptpclock.c
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@ -947,6 +947,8 @@ send_delay_req_timeout (PtpPendingSync * sync)
header.type = TYPE_EVENT;
header.size = 44;
GST_TRACE ("Sending delay_req to domain %u", sync->domain);
gst_byte_writer_init_with_data (&writer, delay_req, 44, FALSE);
gst_byte_writer_put_uint8_unchecked (&writer, PTP_MESSAGE_TYPE_DELAY_REQ);
gst_byte_writer_put_uint8_unchecked (&writer, 2);
@ -1022,8 +1024,10 @@ send_delay_req (PtpDomainData * domain, PtpPendingSync * sync)
GSource *timeout_source;
if (domain->last_delay_req != 0
&& domain->last_delay_req + domain->min_delay_req_interval > now)
&& domain->last_delay_req + domain->min_delay_req_interval > now) {
GST_TRACE ("Too soon to send new DELAY_REQ");
return FALSE;
}
domain->last_delay_req = now;
sync->delay_req_seqnum = domain->last_delay_req_seqnum++;
@ -1064,12 +1068,17 @@ update_ptp_time (PtpDomainData * domain, PtpPendingSync * sync)
GstClockTime max_discont, estimated_ptp_time_min, estimated_ptp_time_max;
gboolean now_synced;
#endif
#ifdef USE_ONLY_SYNC_WITH_DELAY
GstClockTime mean_path_delay;
#endif
if (sync->delay_req_send_time_local == GST_CLOCK_TIME_NONE)
GST_TRACE ("Updating PTP time");
#ifdef USE_ONLY_SYNC_WITH_DELAY
if (sync->delay_req_send_time_local == GST_CLOCK_TIME_NONE) {
GST_TRACE ("Not updating - no delay_req sent");
return;
}
/* IEEE 1588 11.3 */
mean_path_delay =
@ -1428,8 +1437,10 @@ handle_sync_message (PtpMessage * msg, GstClockTime receive_time)
PtpPendingSync *sync = NULL;
/* Don't consider messages with the alternate master flag set */
if ((msg->flag_field & 0x0100))
if ((msg->flag_field & 0x0100)) {
GST_TRACE ("Ignoring sync message with alternate-master flag");
return;
}
for (l = domain_data; l; l = l->next) {
PtpDomainData *tmp = l->data;
@ -1509,6 +1520,7 @@ handle_sync_message (PtpMessage * msg, GstClockTime receive_time)
if ((msg->flag_field & 0x0200)) {
/* Wait for FOLLOW_UP */
GST_TRACE ("Waiting for FOLLOW_UP msg");
} else {
sync->sync_send_time_remote =
PTP_TIMESTAMP_TO_GST_CLOCK_TIME (msg->message_specific.
@ -1546,9 +1558,13 @@ handle_follow_up_message (PtpMessage * msg, GstClockTime receive_time)
PtpDomainData *domain = NULL;
PtpPendingSync *sync = NULL;
GST_TRACE ("Processing FOLLOW_UP message");
/* Don't consider messages with the alternate master flag set */
if ((msg->flag_field & 0x0100))
if ((msg->flag_field & 0x0100)) {
GST_TRACE ("Ignoring FOLLOW_UP with alternate-master flag");
return;
}
for (l = domain_data; l; l = l->next) {
PtpDomainData *tmp = l->data;
@ -1559,14 +1575,18 @@ handle_follow_up_message (PtpMessage * msg, GstClockTime receive_time)
}
}
if (!domain)
if (!domain) {
GST_TRACE ("No domain match for FOLLOW_UP msg");
return;
}
/* If we have a master clock, ignore this message if it's not coming from there */
if (domain->have_master_clock
&& compare_clock_identity (&domain->master_clock_identity,
&msg->source_port_identity) != 0)
&msg->source_port_identity) != 0) {
GST_TRACE ("FOLLOW_UP msg not from out master. Ignoring");
return;
}
/* Check if we know about this one */
for (l = domain->pending_syncs.head; l; l = l->next) {
@ -1578,12 +1598,16 @@ handle_follow_up_message (PtpMessage * msg, GstClockTime receive_time)
}
}
if (!sync)
if (!sync) {
GST_TRACE ("Ignoring FOLLOW_UP with no pending SYNC");
return;
}
/* Got a FOLLOW_UP for this already */
if (sync->sync_send_time_remote != GST_CLOCK_TIME_NONE)
if (sync->sync_send_time_remote != GST_CLOCK_TIME_NONE) {
GST_TRACE ("Got repeat FOLLOW_UP. Ignoring");
return;
}
if (sync->sync_recv_time_local >= receive_time) {
GST_ERROR ("Got bogus follow up in domain %u: %" GST_TIME_FORMAT " > %"
@ -1718,8 +1742,10 @@ handle_ptp_message (PtpMessage * msg, GstClockTime receive_time)
{
/* Ignore our own messages */
if (msg->source_port_identity.clock_identity == ptp_clock_id.clock_identity &&
msg->source_port_identity.port_number == ptp_clock_id.port_number)
msg->source_port_identity.port_number == ptp_clock_id.port_number) {
GST_TRACE ("Ignoring our own message");
return;
}
switch (msg->message_type) {
case PTP_MESSAGE_TYPE_ANNOUNCE: