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cmdmon: limit reported clients by number of packets

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Add a new field to the CLIENT_ACCESSES_BY_INDEX request to specify the
minimum number of NTP or cmdmon packets for a client to be reported.

Add -p option to the chronyc clients command to specify the threshold
(by default 0). This option can be used to minimize the number of cmdmon
requests when interested only in clients sending a large number
of requests.
This commit is contained in:
Miroslav Lichvar
2020-05-18 13:58:55 +02:00
parent ee2220f2e7
commit 28cf4acf13
6 changed files with 44 additions and 23 deletions
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5
cmdmon.c
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@@ -1002,7 +1002,7 @@ handle_client_accesses_by_index(CMD_Request *rx_message, CMD_Reply *tx_message)
RPT_ClientAccessByIndex_Report report;
RPY_ClientAccesses_Client *client;
int n_indices;
uint32_t i, j, req_first_index, req_n_clients, req_reset;
uint32_t i, j, req_first_index, req_n_clients, req_min_hits, req_reset;
struct timespec now;
SCH_GetLastEventTime(&now, NULL, NULL);
@@ -1011,6 +1011,7 @@ handle_client_accesses_by_index(CMD_Request *rx_message, CMD_Reply *tx_message)
req_n_clients = ntohl(rx_message->data.client_accesses_by_index.n_clients);
if (req_n_clients > MAX_CLIENT_ACCESSES)
req_n_clients = MAX_CLIENT_ACCESSES;
req_min_hits = ntohl(rx_message->data.client_accesses_by_index.min_hits);
req_reset = ntohl(rx_message->data.client_accesses_by_index.reset);
n_indices = CLG_GetNumberOfIndices();
@@ -1023,7 +1024,7 @@ handle_client_accesses_by_index(CMD_Request *rx_message, CMD_Reply *tx_message)
tx_message->data.client_accesses_by_index.n_indices = htonl(n_indices);
for (i = req_first_index, j = 0; i < (uint32_t)n_indices && j < req_n_clients; i++) {
if (!CLG_GetClientAccessReportByIndex(i, req_reset, &report, &now))
if (!CLG_GetClientAccessReportByIndex(i, req_reset, req_min_hits, &report, &now))
continue;
client = &tx_message->data.client_accesses_by_index.clients[j++];