Clients, responses and objects

[jelu]

• README/examples/readme.lua: Update example to use filter.coro
• examples/dumpdns-qr.lua: Use core.objects, filter.coro and local variables
• examples/dumpdns.lua: Use core.objects, filter.coro and core.object.dns:print()
• examples/filter_rcode.lua: Use core.objects and filter.coro
• examples/playqr.lua: Add example of replaying DNS queries and showing the original response vs received response
• examples/replay.lua:
  • Add -t to use output.tcpcli
  • Add -u to use output.udpcli
  • Use core.object.dns:print()
• core.compat: Add documentation
• core.object:
  • Add core.object.payload
  • core_object_copy(): Disable copying of core.object.udp
• core.object.dns:
  • Issue core.object.dns #39: Parse core.object.payload instead of core.object.udp
  • Add rr_reset() to reset the walking of resource records
  • Add print() to print the DNS message
• core.object.ip:
  • Remove payload attributes in favor of core.object.payload
  • Add source() and destination() to get a string representation of the IP addresses
• core.object.ip6:
  • Remove payload attributes in favor of core.object.payload
  • Add source(pretty) and destination(pretty) to get a string representation of the IP addresses, if pretty is true then return easier to read addresses (RFC 5952)
• core.object.payload: Add new object to hold the payload of any other object with the option to have padding
• core.object.tcp: Remove payload attributes in favor of core.object.payload
• core.object.udp: Remove payload attributes in favor of core.object.payload
• core.objects: Add new module to easier require() all objects
• filter.coro: Handle error on resume
• filter.layer: Use core.object.payload for all payloads
• core.output.tcpcli:
  • Use core.object.payload on receive instead of core.object.tcp or core.object.udp
  • Issue output.tcpcli #47: Add producer to receive responses
  • Use non-blocking mode as default
• core.output.udpcli:
  • Use core.object.payload on receive instead of core.object.tcp or core.object.udp
  • Issue output.udpcli #46: Add producer to receive responses
  • Use non-blocking mode as default