Any default values for connection hostname? about rhea

[ssorj]

Qpid Proton:

~$ PN_TRACE_FRM=1 qconnect
[0x55dcadbb1860]: SASL:FRAME:  -> SASL
[0x55dcadbb1860]: SASL:FRAME:  <- SASL
[0x55dcadbb1860]: AMQP:FRAME:0 <- @sasl-mechanisms(64) [sasl-server-mechanisms=@<symbol>[:GSS-SPNEGO, :GSSAPI, :DIGEST-MD5, :CRAM-MD5, :ANONYMOUS]]
[0x55dcadbb1860]: AMQP:FRAME:0 -> @sasl-init(65) [mechanism=:ANONYMOUS, initial-response=b"[email protected]"]
[0x55dcadbb1860]: AMQP:FRAME:0 <- @sasl-outcome(68) [code=0x0]
[0x55dcadbb1860]: AMQP:FRAME:  -> AMQP
[0x55dcadbb1860]: AMQP:FRAME:0 -> @open(16) [container-id="qconnect-f7732f72", hostname="localhost", channel-max=0x7fff]
[0x55dcadbb1860]: AMQP:FRAME:  <- AMQP
[0x55dcadbb1860]: AMQP:FRAME:0 <- @open(16) [container-id="broker-9c177377", channel-max=0x7fff]
qconnect-f7732f72: Connected to amqp://localhost:5672
[0x55dcadbb1860]: AMQP:FRAME:0 -> @close(24) []
[0x55dcadbb1860]:   IO:FRAME:  -> EOS
[0x55dcadbb1860]: AMQP:FRAME:0 <- @close(24) []
[0x55dcadbb1860]:   IO:FRAME:  <- EOS

Rhea:

~/code/equipage/rhea$ DEBUG=rhea* ./connect.js //localhost/abc
  rhea:io [connection-1] connected 127.0.0.1:59042 -> 127.0.0.1:5672 +0ms
  rhea:frames [connection-1] -> { protocol_id: 0, major: 1, minor: 0, revision: 0 } +0ms
  rhea:frames [connection-1]:0 -> open#10 {"container_id":"34fa3d85-cf3d-954f-9486-13929d6cd2d3"}  +3ms
  rhea:raw [connection-1] SENT: 58 0000003a02000000005310d00000002a00000001a12433346661336438352d636633642d393534662d393438362d313339323964366364326433 +0ms
  rhea:io [connection-1] read 8 bytes +5ms
  rhea:frames [connection-1] <- { protocol_id: 0, major: 1, minor: 0, revision: 0 } +1ms
  rhea:io [connection-1] read 36 bytes +0ms
  rhea:io [connection-1] got frame of size 36 +0ms
  rhea:raw [connection-1] RECV: 36 0000002402000000005310c01704a10f62726f6b65722d39633137373337374040607fff +1ms
  rhea:frames [connection-1]:0 <- open#10 {"container_id":"broker-9c177377","channel_max":32767}  +1ms
  rhea:events [connection-1] Connection got event: connection_open +0ms
  rhea:events [34fa3d85-cf3d-954f-9486-13929d6cd2d3] Container got event: connection_open +0ms
CONNECT: Connected to '//localhost/abc'
  rhea:frames [connection-1]:0 -> close#18 {}  +1ms
  rhea:raw [connection-1] SENT: 12 0000000c0200000000531845 +2ms
  rhea:io [connection-1] read 12 bytes +2ms
  rhea:io [connection-1] got frame of size 12 +0ms
  rhea:raw [connection-1] RECV: 12 0000000c0200000000531845 +0ms
  rhea:frames [connection-1]:0 <- close#18 {}  +0ms
  rhea:events [connection-1] Connection got event: connection_close +2ms
  rhea:events [34fa3d85-cf3d-954f-9486-13929d6cd2d3] Container got event: connection_close +0ms

[grs]

If you default it, how do you override that to leave it unspecified (e.g. in order to use the default, whatever that is)?

[ssorj]

https://qpid.apache.org/releases/qpid-proton-0.37.0/proton/cpp/api/classproton_1_1connection__options.html#a0300a2a68ecca3f684e91e637a45e028
https://qpid.apache.org/releases/qpid-proton-0.37.0/proton/c/api/group__connection.html#ga3ab6a8a556270cff74c39da910a89b5c
https://qpid.apache.org/releases/qpid-proton-0.37.0/proton/c/api/group__connection.html#ga3ab6a8a556270cff74c39da910a89b5c
I didn't find any guidance in the API docs on that front. I'm guessing you would have to set it to empty string or null.

[ssorj]

I noticed something else from the Rhea README.md:

"hostname - to present to remote in the open frame (defaults to host)"

https://github.com/amqp/rhea#container