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add Vendor TP WTP Timestamp to Echo Request

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This commit is contained in:
Andreas Schultz
2016-04-08 15:17:56 +02:00
parent 4f3fe0c339
commit baf1ccbc73
7 changed files with 162 additions and 6 deletions
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3
src/wtp/wtp.h
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@ -122,6 +122,9 @@ struct wtp_t {
int sta_max_inactivity;
/* Echo statistics */
struct timeval echo_latency;
/* */
unsigned short fragmentid;
struct capwap_packet_rxmng* rxmngpacket;

27
src/wtp/wtp_dfa_run.c
View File

@ -16,6 +16,9 @@ static int send_echo_request(void)
int result = -1;
struct capwap_header_data capwapheader;
struct capwap_packet_txmng* txmngpacket;
struct capwap_vendor_travelping_wtp_timestamp_element timestamp;
gettimeofday(&timestamp.tv, NULL);
/* Build packet */
capwap_header_init(&capwapheader, CAPWAP_RADIOID_NONE, g_wtp.binding);
@ -23,7 +26,9 @@ static int send_echo_request(void)
g_wtp.localseqnumber, g_wtp.mtu);
/* Add message element */
/* CAPWAP_ELEMENT_VENDORPAYLOAD */ /* TODO */
capwap_packet_txmng_add_message_element(txmngpacket,
CAPWAP_ELEMENT_VENDOR_TRAVELPING_WTP_TIMESTAMP,
&timestamp);
/* Echo request complete, get fragment packets */
wtp_free_reference_last_request();
@ -47,18 +52,34 @@ static int send_echo_request(void)
}
/* */
static int receive_echo_response(struct capwap_parsed_packet* packet) {
static int receive_echo_response(struct capwap_parsed_packet* packet)
{
struct capwap_resultcode_element* resultcode;
struct capwap_vendor_travelping_wtp_timestamp_element *timestamp;
ASSERT(packet != NULL);
/* Check the success of the Request */
resultcode = (struct capwap_resultcode_element*)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
resultcode = (struct capwap_resultcode_element *)
capwap_get_message_element_data(packet, CAPWAP_ELEMENT_RESULTCODE);
if (resultcode && !CAPWAP_RESULTCODE_OK(resultcode->code)) {
log_printf(LOG_WARNING, "Receive Echo Response with error: %d", (int)resultcode->code);
return 1;
}
timestamp = (struct capwap_vendor_travelping_wtp_timestamp_element *)
capwap_get_message_element_data(packet, CAPWAP_ELEMENT_VENDOR_TRAVELPING_WTP_TIMESTAMP);
if (timestamp) {
struct timeval now;
gettimeofday(&now, NULL);
timersub(&now, &timestamp->tv, &g_wtp.echo_latency);
log_printf(LOG_DEBUG, "Echo Latency: %ld.%03ld ms",
g_wtp.echo_latency.tv_sec * 1000 + g_wtp.echo_latency.tv_usec / 1000,
g_wtp.echo_latency.tv_usec % 1000);
}
/* Valid packet, free request packet */
wtp_free_reference_last_request();
return 0;