v1.1.1

1.1.1: 2017-Jan-20

• Release distribution fix.

1.1: 2017-Jan-19

• Support rsv1, rsv2, rsv3 reserved flags in in \{ws.* <reserved-flag>}.
• Fix statsd output for connections.opened.
• Support for \{raw Expression}, which removes ws framing.
• -vvv option does not dump the traffic. Use -d or --dump-* options.
• Added units (ms) to latency percentiles output.
• Add ability to specify host in -l [host:]port.
• \{message.marker} inserts a detectable timestamp to count messages/s.

v1.1

1.1: 2017-Jan-19

• Support rsv1, rsv2, rsv3 reserved flags in in \{ws.* <reserved-flag>}.
• Fix statsd output for connections.opened.
• Support for \{raw Expression}, which removes ws framing.
• -vvv option does not dump the traffic. Use -d or --dump-* options.
• Added units (ms) to latency percentiles output.
• Add ability to specify host in -l [host:]port.
• \{message.marker} inserts a detectable timestamp to count messages/s.

tcpkali-1.0

1.0: 2016-Sep-29

• Export --latency-connect and --latency-first-bytes to statsd.
• --latency-percentiles now affect --statsd reporting as well.
• Added -H, --header to add HTTP headers to WebSocket handshake.
• Added --message-stop to quickly die if a given message is seen.

tcpkali-0.9

0.9: 2016-Aug-24

• Added -r@<Latency> form to measure message rate at a given latency.
• Websocket frame types in expressions: \{ws.ping}, \{ws.pong}, etc.
• Websocket frames accept files: \{ws.binary <image.png>}.
• Websocket frames can be non-final: \{ws.binary ...}.
• Regular expressions as data generators: \{re <regex>}.
• Display last received bytes with --verbose 2.

tcpkali-0.8

0.8: 2016-Jan-15

• Added --latency-connect to measure connect latency.
• Added --latency-first-byte to measure latency to first byte.
• Added --latency-percentiles to control percentile reporting.
• Mean/max latencies for messages are not reported, for UI consistency.
  Use --latency-percentiles 50,100 to display.
• Added --dump-{one,all}{,-in,-out} to dump all or one connections' input/output.
• Added --write-combine=off to emit high packet rates.

tcpkali-0.7

0.7: 2015-Dec-11

• Added a manual page. man tcpkali after installation.
• Exceed 64k connections limit by using all available IP aliases on network interfaces.
• --latency-marker-skip <N> to ignore the first occurrences of a marker.
• --listen-mode=active to send data for connections received through -l.
• --source-ip <IP> option to restrict or change source IPs.
• "Bandwidth per channel:" output changed to ⇅ to reflect bi-direction.

v0.6

0.6: 2015-May-13

• Parse {connection.uid} type expressions in
  --first-message, --message, --latency-marker parameters,
  allowing constructing payloads unique per connection.
• Added "k" multiplier to --connections;
  allowing for a -c10k option (inside joke ;)

v0.5

0.5: 2015-Apr-14

• --enable-asan and --enable-tsan flags to enable address/thread sanitizer.
• Do not account latencies for --first-message.

0.4.9: 2015-Apr-09

• Maximum storable latency increased from 10s to 100s.
• -e (--unescape-message-args) now affect --latency-marker string as well.
• --websocket now awaits response after sending HTTP upgrade headers.
• Add WebSocket masking on client->server communication (mandated by RFC).
• Use Boyer-Moore-Horspool to search --latency-marker in the stream.
• Add --sndbuf and --rcvbuf command line options to adjust kernel buffers via setsockopt(SO_*BUF).
• Record latencies even if only a portion of a message has been sent.

v0.4.2

0.4.2: 2015-Feb-23

• --channel-bandwidth limit is now applicable to sink mode (--listen-port).
• Build and run on 32-bit platforms.

0.4

Initial public release for tcpkali.