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ChangeLog

  • Added a command line switch --sampling-window-size specifying the number of the most recent packets used for computing metrics. The lower the parameter the more dynamic are the metrics variations. (Github #66, #67).

Release v0.4.0 (November 14th, 2024)

  • Added a Docker configuration that launches two containers, one with Prometheus and one with Grafana. They can be used to monitor the metrics exported by endure in a graphical environment. (Github #61, #62).

  • Corrected a bug whereby the metrics returned over the REST API and exported to Prometheus were always 0 when neither SSE nor CSV output were enabled. (Github #59, #60).

  • Implemented transactional auditor measuring average roundtrip time for DHCPv4 DORA exchanges. (Github #54, #58).

Release v0.3.0 (April 4th, 2024)

  • Implemented Dedicated opcode and retransmission auditors for processing pcap files. They collect and display the metrics from all packets in the pcap. Different auditors are used in case of the live stream analysis and pcap files with periodic metrics reports. These auditors collect the metrics from the last 100 packets. (Github #50, #51).

  • Enabled pcap file analysis with the endure read command. (Github #37, #49).

  • Code refactoring required for collecting variable number of metrics depending on the selected profile. It introduces no new functionality to a user but is a necessary ground work for the pcap analysis. The only visible change to the user is that the metrics are now ordered alphabetically. (Github #47, #48).

  • Implemented saving packet capture files. (Github #45, #46).

Release v0.2.0 (Mar 13th, 2024)

  • Added new metrics opcode_boot_requests_total, opcode_boot_replies_total and opcode_invalid_total. (Github #39, #40).

  • Implemented basic CLI system tests. Specification of the interface name is now required. Added the --loopback switch for convenient selection of a loopback interface. (Github #36, #38).

  • Support for capturing the bootp packets on the local loopback interface. (Github #33, #35).

  • Enabled server sent events (SSE) endpoint returning periodic metrics reports. (Github #29, #31).

  • Enabled REST API endpoint for exporting the metrics as JSON. (Github #28, #30).

  • Metrics export to Prometheus. (Github #26, #27).

Release v0.1.0 (Feb 16th, 2024)

  • The longest retransmitting DHCP client is reported in the metrics. (Github #19, #20).

  • The metrics are reported with a single digit precision. (Github #14, #18).

  • Selecting multiple interfaces for capturing the traffic from the command line with the --interface-name switch. (Github #13, #17).

  • Implemented basic BOOTP packets analyzer with two auditors. The first auditor tracks the number of BootRequest, BootReply and invalid opcodes. The second auditor checks the percentage of retransmissions and an average secs field value in the client requests. (Github #11, #12).

  • Implemented BOOTP packets parsing. (Github #9, #10).

  • Implemented packet listeners and the dispatcher using the pcap library. (Github #3, #5).