wanderer/fastnetmon-rewritten
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Code Issues Releases Activity

Added new sFlow metrics and switched sflow_read_packet_length_from_ip_header to global configuration

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This commit is contained in:
Pavel Odintsov 2024-07-16 18:16:09 +03:00
parent 64a4d3090b
commit 394143340e
1 changed files with 23 additions and 5 deletions
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28
src/sflow_plugin/sflow_collector.cpp
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@ -35,9 +35,6 @@ extern fastnetmon_configuration_t fastnetmon_global_configuration;
std::string raw_udp_packets_received_desc = "Number of raw packets received without any errors";
uint64_t raw_udp_packets_received = 0;
// We have an option to use IP length from the packet header because some vendors may lie about it: https://github.com/pavel-odintsov/fastnetmon/issues/893
bool sflow_read_packet_length_from_ip_header = false;
std::string udp_receive_errors_desc = "Number of failed receives";
uint64_t udp_receive_errors = 0;
@ -73,6 +70,13 @@ uint64_t sflow_parse_error_nested_header = 0;
std::string sflow_counter_sample_desc = "Number of counter samples, i.e. with port counters";
uint64_t sflow_counter_sample = 0;
std::string sflow_expanded_counter_sample_desc = "Number of expanded counter samples, i.e. with port counters";
uint64_t sflow_expanded_counter_sample = 0;
std::string sflow_generic_interface_counter_sample_desc =
"Number of counter samples with generic interface counter information";
uint64_t sflow_generic_interface_counter_sample = 0;
std::string sflow_raw_packet_headers_total_desc = "Number of packet headers from flow samples";
uint64_t sflow_raw_packet_headers_total = 0;
@ -94,6 +98,9 @@ uint64_t sflow_ipv4_header_protocol = 0;
std::string sflow_ipv6_header_protocol_desc = "Number of samples with IPv6 packet headers";
uint64_t sflow_ipv6_header_protocol = 0;
std::string sflow_packets_discarded_desc = "Number of packets discarded by device";
uint64_t sflow_packets_discarded = 0;
std::vector<system_counter_t> get_sflow_stats() {
std::vector<system_counter_t> counters;
@ -113,6 +120,13 @@ std::vector<system_counter_t> get_sflow_stats() {
counters.push_back(system_counter_t("sflow_parse_error_nested_header", sflow_parse_error_nested_header,
metric_type_t::counter, sflow_parse_error_nested_header_desc));
counters.push_back(system_counter_t("sflow_counter_sample", sflow_counter_sample, metric_type_t::counter, sflow_counter_sample_desc));
counters.push_back(system_counter_t("sflow_expanded_counter_sample", sflow_expanded_counter_sample,
metric_type_t::counter, sflow_expanded_counter_sample_desc));
counters.push_back(system_counter_t("sflow_generic_interface_counter_sample", sflow_generic_interface_counter_sample,
metric_type_t::counter, sflow_generic_interface_counter_sample_desc));
counters.push_back(system_counter_t("sflow_raw_packet_headers_total", sflow_raw_packet_headers_total,
metric_type_t::counter, sflow_raw_packet_headers_total_desc));
counters.push_back(system_counter_t("sflow_ipv4_header_protocol", sflow_ipv4_header_protocol,
@ -128,6 +142,10 @@ std::vector<system_counter_t> get_sflow_stats() {
counters.push_back(system_counter_t("sflow_extended_gateway_data_records", sflow_extended_gateway_data_records,
metric_type_t::counter, sflow_extended_gateway_data_records_desc));
counters.push_back(system_counter_t("sflow_packets_discarded", sflow_packets_discarded, metric_type_t::counter,
sflow_packets_discarded_desc));
return counters;
}
@ -360,7 +378,7 @@ bool process_sflow_flow_sample(uint8_t* data_pointer,
auto result = parse_raw_packet_to_simple_packet_full_ng(header_payload_pointer,
sflow_raw_protocol_header.frame_length_before_sampling,
sflow_raw_protocol_header.header_size, packet,
unpack_gre, sflow_read_packet_length_from_ip_header);
unpack_gre, fastnetmon_global_configuration.sflow_read_packet_length_from_ip_header);
if (result != network_data_stuctures::parser_code_t::success) {
sflow_parse_error_nested_header++;
@ -378,7 +396,7 @@ bool process_sflow_flow_sample(uint8_t* data_pointer,
auto result = parse_raw_ipv4_packet_to_simple_packet_full_ng(header_payload_pointer,
sflow_raw_protocol_header.frame_length_before_sampling,
sflow_raw_protocol_header.header_size, packet,
sflow_read_packet_length_from_ip_header);
fastnetmon_global_configuration.sflow_read_packet_length_from_ip_header);
if (result != network_data_stuctures::parser_code_t::success) {
sflow_parse_error_nested_header++;