Support TCP for protocol messages - #3636

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softins wants to merge 37 commits into

jamulussoftware:mainfrom

softins:tcp-protocol

Commits on Sep 10, 2026

Add TCP handling for Server and Client
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6104b5c
Add some debug messages
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8e58ec6
Some fixes recommended by AI review
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d900ae3
Use separate TCP sockets for IPv4 and IPv6
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5aec70c
Add a channel token for use by server channels.
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fbce28a
Use channel token to authenticate a long TCP connection
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11851cd
Add operator!= for CHostAddress for completeness
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156d2cd
Check that CLM_TCP_SUPPORTED for client ID comes from the connected server
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b378a0c
Only offer TCP mode if the listener started ok
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411831b
Handle unlikely situation where new TCP connection replaces old
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a5f9e1b
Log Error or EOF from TCP socket read
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768d1f1
Update docs/TCP.md to include the channel token for TCP session authentication
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1c776fd
Minor change to OnReadyRead()
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63eefd9
Empty pending hashes when opening connect dialog
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0e577a4
Minor updates from review
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13a2a11
Do not log the channel token
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bf78aba
Improvements from AI review
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e774d7c
Change "TCP supported" to "TCP offered"
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b7bf333
Updates to TCP.md
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3f43aac
Remove debug messages in preparation for production
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629e43d
Formatting fixes
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bd2bdc1
Make message ID available to CL sending functions
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16c8dcb
Revert to UDP properly if TCP connection fails
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ab19fdc
Reset TCP session state in CClient::Stop()
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6b737c2
Add docs/TCP.md to DISTFILES
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6e97ff0
Improvements to docs/TCP.md after review
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2010dc5
Remove unused CFM_UDP_RESULT from fetch modes
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19f79ce
Remove noisy retry warnings
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589ebf8
Reset fetch mode on aborted TCP connection
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1e763a4
Remove temporary debug messages
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e87dcd6
Corrections to TCP.md following review
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56c9631
In TCP.md, remove mention of large welcome message.
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e8e4a10
Update TCP.md in response to review
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adc4ee3
Revert "In TCP.md, remove mention of large welcome message."
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c69a8e3
Add clarification about welcome text and split messages
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ef101db
Remove unused signal CClient::CLTcpOfferedReceived
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520f19c
Add clarification of potential welcome message size
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05aaf0a